U.S. patent application number 14/132580 was filed with the patent office on 2014-06-26 for ciclesonide for the treatment of airway disease in horses.
This patent application is currently assigned to BOEHRINGER INGELHEIM VETMEDICA GMBH. The applicant listed for this patent is Balazs ALBRECHT, Michael AVEN, Janine LAMAR, Ingo LANG. Invention is credited to Balazs ALBRECHT, Michael AVEN, Janine LAMAR, Ingo LANG.
Application Number | 20140179651 14/132580 |
Document ID | / |
Family ID | 47552829 |
Filed Date | 2014-06-26 |
United States Patent
Application |
20140179651 |
Kind Code |
A1 |
ALBRECHT; Balazs ; et
al. |
June 26, 2014 |
CICLESONIDE FOR THE TREATMENT OF AIRWAY DISEASE IN HORSES
Abstract
The invention relates to the field of medicine, in particular to
the field of veterinary medicine. The invention relates to
glucocorticoids, especially ciclesonide or a pharmaceutically
acceptable derivative or salt thereof, for the treatment of airway
disease in horses, such as pulmonary disease, preferably recurrent
airway obstruction (RAO), Summer Pasture Associated Obstructive
Pulmonary disease (SPAOPD), and inflammatory airway disease
(IAD).
Inventors: |
ALBRECHT; Balazs;
(Sprendlingen, DE) ; AVEN; Michael; (Mainz,
DE) ; LAMAR; Janine; (Ingelheim am Rhein, DE)
; LANG; Ingo; (Ingelheim am Rhein, DE) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
ALBRECHT; Balazs
AVEN; Michael
LAMAR; Janine
LANG; Ingo |
Sprendlingen
Mainz
Ingelheim am Rhein
Ingelheim am Rhein |
|
DE
DE
DE
DE |
|
|
Assignee: |
BOEHRINGER INGELHEIM VETMEDICA
GMBH
Ingelheim am Rhein
DE
|
Family ID: |
47552829 |
Appl. No.: |
14/132580 |
Filed: |
December 18, 2013 |
Current U.S.
Class: |
514/174 |
Current CPC
Class: |
A61K 31/58 20130101;
A61P 11/00 20180101; A61K 9/0078 20130101; A61K 9/0073 20130101;
A61K 9/008 20130101 |
Class at
Publication: |
514/174 |
International
Class: |
A61K 31/58 20060101
A61K031/58 |
Foreign Application Data
Date |
Code |
Application Number |
Dec 21, 2012 |
EP |
12199302.6 |
Claims
1. A method of treating an airway disease in equines comprising
administering an effective amount of Ciclesonide or a
pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof.
2. The method according to claim 1, wherein the airway disease is a
pulmonary disease.
3. The method according to claim 1, wherein the airway disease is
selected from the group consisting of: recurrent airway obstruction
(RAO), summer pasture associated obstructive pulmonary disease
(SPAOPD), and inflammatory airway disease (IAD).
4. The method according to claim 3, wherein the airway disease is
RAO.
5. The method claim 1, wherein said ciclesonide or said
pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is inhalable.
6. A method according to claim 1, wherein said ciclesonide or said
pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is in a liquid formulation.
7. A method according to claim 6, wherein said liquid formulation
comprises one or more of the solvents water, ethanol,
hydrofluoroalkanes, hydrofluoroolefin or excipients.
8. A method according to claim 7, wherein said hydrofluoroalkanes
are HFA 227, HFA 134a, and combinations thereof.
9. A method according to claim 7, wherein said hydrofluoroolefin is
HFO1234ze.
10. A method according to claim 6, wherein the solvent in said
liquid formulation is partially aqueous and partially ethanol.
11. A method according to claim 10, wherein the solvent in said
liquid formulation comprises of a mixture of .gtoreq.85% V/V
ethanol and .ltoreq.15% V/V water.
12. A method according to claim 10, wherein the solvent in said
liquid formulation comprises 10% V/V water and 90% V/V ethanol.
13. A method according to claim 6, wherein said ciclesonide or said
pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered via an inhaler device.
14. The method according to claim 13, whereby said inhaler device
comprises: a. a pressurized metered dose inhaler or a
aqueous/ethanolic droplet inhaler such as the RESPIMAT.RTM. inhaler
or another inhalation device using the RESPIMAT.RTM.
aerosol-generating technology and b. an adapter for equine use.
15. A method according to claim 6, wherein said ciclesonide or said
pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is a partially ethanolic formulation and is administered
via an inhaler device.
16. A method according to claim 15, wherein said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered at a dose of at least 900 .mu.g ex inhaler,
at least 1800 .mu.g ex inhaler, or at least 2700 .mu.g ex inhaler,
preferably at least 2700 .mu.g ex inhaler.
17. A method according to claim 16, wherein said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered at a dose of 100 .mu.g to 5000 .mu.g ex
inhaler.
18. A method according to claim 16, wherein said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered at a dose of 450 .mu.g to 2700 .mu.g ex
inhaler.
19. A method according to claim 16, wherein said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered at a dose of 900 .mu.g to 2700 .mu.g ex
inhaler.
20. A method according to claim 6, wherein said ciclesonide or said
pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered with less than 20 actuations per dose.
21. A method according to claim 20, wherein, said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered with 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, or
1 actuations per dose.
22. A method according to claim 21, wherein said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered using 8 or fewer actuations per dose.
23. A method according to claim 6, wherein said ciclesonide or said
pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered in 1 to 3 doses per day.
24. A method according to claim 23, wherein said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered in 1 to 2 doses per day.
25. A method according to claim 6, wherein said ciclesonide or said
pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered over a time period of at least 1 week.
26. A method according to claim 25, wherein said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered over a time period of at least 10 weeks.
Description
FIELD OF THE INVENTION
[0001] The invention relates to the field of medicine, in
particular to the field of veterinary medicine. The invention
relates to glucocorticoids or inhaled glucocorticoids, especially
ciclesonide or a pharmaceutically acceptable derivative thereof,
for the treatment of airway disease in horses, such as pulmonary
disease, preferably recurrent airway obstruction (RAO), summer
pasture associated obstructive pulmonary disease (SPAOPD), and
inflammatory airway disease (IAD).
BACKGROUND INFORMATION
[0002] Equine airway disease is a prominent disease in many horses.
It can be divided into the diseases of the upper and lower airways.
There are a number of equine lower airway diseases with
noninfectious origin such as RAO (or heaves or equine chronic
obstructive pulmonary disease), IAD, SPAOPD and exercise induced
pulmonary hemorrhage (EIPH). The latter is typically diagnosed in
racehorses. RAO, IAD and SPAOPD are discs eases with an allergic
background. Rarely diagnosed additional lower airway disorders are
granulomatous, neoplastic and interstitial pneumonias. The
infectious diseases of the lower airway include bronchitis,
pneumonia, pleuritis or a combination of these caused by viral,
bacterial, fungal and parasitic agents (Kutasi et al., 2011, hereby
incorporated by reference).
[0003] Common phenotypic manifestations of airway disease in horses
include coughing, nasal discharge, increased respiratory effort and
poor performance or exercise intolerance. Additionally, fever,
depression, decreased appetite and weight loss can be observed in
infectious airway diseases (Couetil et al., 2007 and Kutasi et al.,
2011, hereby incorporated by reference).
[0004] Equine airway diseases with an allergic background cannot be
cured but only kept asymptomatic. The known therapies for these
horses include changes in the environment and the administration of
different drugs. The aim of the change in the stable environment is
to improve airway quality and to reduce the allergen exposure of
the horses, which might trigger the exacerbations of RAO, SPAOPD
and IAD. The following drugs are used for the treatment of airway
diseases with noninfectious origin: glucocorticoids,
bronchodilators ((32 agonists and anticholinergic agents), and
mucosolvants (dembrexin and acetylcystein). In addition,
antibiotics are administered for infectious airway diseases.
Prominent side effects of these standard therapies are tachycardia,
mydriasis, and colic for bronchodilators and adrenocortical
suppression (reduction in the blood serum levels of cortisol),
laminitis, hepatopathy, muscle wasting, altered bone metabolism,
increased susceptibility to infection (neutrophilia, lymphopenia)
and decreased antibody response to vaccination for glucocorticoids
(Couetil et al., 2007, Dauvillir et al., 2011, hereby incorporated
by reference).
[0005] The problem underlying the present invention is to provide a
medication for horses which allows the treatment of airway disease
in horses while reducing the risk of side effects for the treated
animals.
BRIEF SUMMARY OF THE INVENTION
[0006] It has been surprisingly found that ciclesonide or a
pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof is particularly advantageous for the use in a method of
treating an airway disease in equines, preferably horses. An
advantage of the present invention is the absence or reduction of
side effects. The administration of glucocorticoids can decrease
the production of cortisol by the hypothalamic-pituitary-adrenal
(HPA) axis. Thus, measurement of serum cortisol level is generally
used as surrogate marker of glucocorticoid systemic activity and a
tool for assessing systemic bioavailability of glucosorticoids.
Such a reduction of equine serum cortisol levels occurs in state of
the art treatment options including drug administration via a
peroral or parenteral (e.g. dexamethasone, prednisone) as well as
via an inhalative (beclomethasone, fluticasone proprionate and
budesonide) route. In contrast, no decrease in the serum cortisol
level of horses is observed after treatment for two weeks with
different dose levels of ciclesonide (see Examples 2-3).
[0007] In addition, the treatment option provided by the present
invention minimizes the risks associated with complications caused
by altered metabolism or compromised immune system, etc.
Neutrophilia and lymphopenia is commonly observed after the state
of the art treatment with dexamethasone (see example 4, Table 2).
This can lead to increased susceptibility to infections. In
contrast, no alteration is observed in the immune system of horses
measured by neutrophilia and lymphopenia after treatment for two
weeks with different dose levels of ciclesonide (see example 4,
Table 2).
[0008] Another advantage of the present invention is treatment
convenience. The state of the art treatment with dexamethasone does
not allow the administration of constantly high dose levels for a
longer time period due to the risk of developing side effects.
Therefore, the dose of dexamethasone has to be continuously
adjusted after treatment initiation considering a number of factors
(e.g. route of drug administration, medical history, clinical
condition and body weight of the horse) with the aim to prevent or
minimize side effects while administering a high enough dose for
assuring clinical efficacy. In contrast, the present invention
provides a superior treatment option for horses with a lower risk
for developing side effects. Thus, it does allow for a treatment
over long periods of time at is constantly high dose levels with
assuring the required clinical efficacy, which is comparable to
dexamethasone.
[0009] Furthermore, the safety profile of ciclesonide is also more
advantageous compared to other aerosol glucocorticoids like
fluticasone proprionate. There are conflicting reports about the
effect of fluticasone proprionate on cortisol levels. In some
studies fluticasone proprionate shows significant suppression in
measured cortisol levels in both humans and horses after aerosol
administration (Robinson et al., 2009 and Grahnen et al., 1997). In
contrast, there is no or clinically not relevant cortisol
suppression with ciclesonide in humans or in horses after aerosol
inhalation.
[0010] An additional advantage of the present invention is the
prodrug nature of ciclesonide. It has been shown that the active
metabolite, C21-C21-desisobutyrylciclesonide, is generated in the
airways of humans or other mammals. The prodrug ciclesonide has to
be activated by special enzymes in the airway tissues in order to
generate C21-21-desisobutyrylciclesonide, which is the effective
molecule. The existence of such special enzymes in the equine
airway tissues has not been previously reported. Other substances
like fluticasone proprionate, which is not a prodrug, do not need
enzymatic conversion to be able to be active in the lungs of horses
or other mammals. The present invention surprisingly demonstrates
for the first time that ciclesonide can be converted into the
effective molecule C21-C21-desisobutyrylciclesonide in horses
(please see example 5) and that ciclesonide administration thus
results in a beneficial therapeutic effect in horses with airway
disease.
[0011] Furthermore, ciclesonide undergoes reversible fatty acid
esterifications with fatty acids in human lung tissue. The fatty
acid conjugates may serve as a depot. It has not been previously
reported whether the same esterification process occurs in equine
lung tissues as well or not. Other substances like fluticasone
proprionate do not generate fatty acid conjugates in human lung
tissues at all.
[0012] Therefore, even if large amounts of ciclesonide are
swallowed during aerosol treatment the prodrug nature of
ciclesonide, the dependency of C21-C21-desisobutyrylciclesonide
generation on specific enzyme conversion and a quick liver
metabolism of C21-C21-desisobutyrylciclesonide assures that the
effect of ciclesonide is only related to the airways and not to the
whole body of the horses. This is also referred to as topic effect
of ciclesonide. In contrast, the state of the art treatment with
dexamethasone or other substances like fluticasone leads to a
systemic exposure of the active metabolite, leading to an extensive
side effect profile.
[0013] The present invention concerns ciclesonide or a
pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof for use as a medicament for treating an equine, preferably
a horse. The present invention concerns ciclesonide or a
pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof for use in a method of treating an equine, preferably a
horse.
[0014] The present invention concerns ciclesonide or a
pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof for the use in a method of treating an airway disease in
equines, preferably horses. The present invention concerns
ciclesonide or a pharmaceutically acceptable salt thereof or a
composition comprising ciclesonide or a pharmaceutically acceptable
salt thereof for the use in a method of treating (an) airway
disease(s) in (an) equine(s), preferably in (a) horse(s).
[0015] According to a specific aspect of the present invention said
ciclesonide or said pharmaceutically acceptable salt thereof or
said composition comprising ciclesonide or said pharmaceutically
acceptable salt thereof is inhalable/(in the form of) an inhalant.
In another aspect of the present invention the ciclesonide or the
pharmaceutically acceptable salt thereof or the composition
comprising ciclesonide or the pharmaceutically acceptable salt
thereof is in a liquid formulation, preferably an ethanolic
formulation, which can be aerosolized to facilitate its inhalation.
In a further aspect of the present invention the liquid formulation
is partially ethanolic and partially aqueous. In a further aspect
of the present invention the liquid formulation comprises one or
more of the solvents: water, ethanol, hydrofluoroalkane(s) such as
HFA 227 and HFA 134a, hydrofluoroolefin(s) such as HFO-1234ze, and
optionally additional excipients. HFA is short for
hydrofluoroalkane and HFO is the abbreviation for
hydrofluoroolefin.
[0016] In a preferred aspect of the present invention the solvent
of the liquid formulation comprises/consists of a mixture of
.gtoreq.85% V/V ethanol and .ltoreq.15% V/V water, such as for
example 10% V/V aqueous and 90% V/V ethanol.
[0017] In another preferred aspect of the present invention the
solvent of the liquid formulation comprises a mixture of ethanol
and water, whereby the proportion of ethanol is in the range of
85-100% V/V, preferably 90-95% V/V. Preferably the proportion of
ethanol is 90% V/V ethanol.
[0018] In a specific aspect of the present invention the
formulation (inhalation solution) of ciclesonide is as follows:
TABLE-US-00001 TABLE 1 Ingredient Content Ciclesonide 0.7-3.1 g/100
mL Hydrochloric acid ad [H.sup.+] = 10.sup.-3.5 to 10.sup.-5 mol/L
90% V/V ethanol/water ad 100 ml
where the concentration of hydrogen ions [H.sup.+] can be measured,
for example, by potentiometric titration.
[0019] A further aspect of the present invention is the application
of the liquid formulation using an inhalation device, such as the
RESPIMAT.RTM. inhaler or another inhalation device using the
RESPIMAT.RTM. aerosol-generating technology. The RESPIMAT.RTM.
inhaler is disclosed for example in WO 97/12687, which is hereby
incorporated by reference. This inhaler can advantageously be used
to produce the inhalable aerosols/inhalants according to the
invention. The dose of active substance delivered ex RESPIMAT.RTM.
inhaler can be calculated from: [0020] the concentration of active
substance in the liquid formulation (inhalation solution)
[.mu.g/.mu.l], [0021] the "delivered volume", defined as the volume
of liquid expelled from the RESPIMAT.RTM. inhaler per actuation
[.mu.l]. The delivered volume ex RESPIMAT.RTM. inhaler has been
found to be approximately 11.05 .mu.l per actuation, according to
the following formula:
[0021] Dose [.mu.g]=Concentration [.mu.g/.mu.l]Delivered Volume
[.mu.l]
[0022] The invention further concerns ciclesonide or a
pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof for the use (in a method) for the management/treatment of
airway disease in equines, preferably horses. Preferably the airway
disease is a pulmonary disease. The invention further concerns
ciclesonide or a pharmaceutically acceptable salt thereof or a
composition comprising ciclesonide or a pharmaceutically acceptable
salt thereof for the use (in a method) for the management/treatment
of recurrent airway obstruction (RAO) in equines, preferably
horses. The invention further concerns ciclesonide or a
pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof for the use (in a method) for the management/treatment of
summer pasture associated obstructive pulmonary disease (SPAOPD) in
equines, preferably horses. The invention further concerns
ciclesonide or a pharmaceutically acceptable salt thereof or a
composition comprising ciclesonide or a pharmaceutically acceptable
salt thereof for the use (in a method) for the management/treatment
of inflammatory airway disease (IAD) in equines, preferably
horses.
[0023] The invention further concerns a method of treating an
airway disease comprising administering a therapeutic effective
amount of ciclesonide or a pharmaceutically acceptable salt thereof
or a composition comprising ciclesonide or a pharmaceutically
acceptable salt thereof to an equine patient, preferably a horse,
in need thereof. Preferably the airway disease is a pulmonary
disease. In a specific aspect of said method of treatment of the
present invention ciclesonide or a pharmaceutically acceptable salt
thereof or a composition comprising ciclesonide or a
pharmaceutically acceptable salt thereof is administered as an
inhalable/inhalant. In a further specific aspect of the method of
treatment of the present invention ciclesonide or a
pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof is in a liquid formulation, preferably with a solvent
comprising/consisting of ethanol, water or a combination thereof.
In another aspect of the method of treatment of the present
invention ciclesonide or a pharmaceutically acceptable salt thereof
or a composition comprising ciclesonide or a pharmaceutically
acceptable salt thereof is administered via an (equine) inhalation
device. In a preferred aspect of the method of treatment of the
present invention ciclesonide or a pharmaceutically acceptable salt
thereof or a composition comprising ciclesonide or a
pharmaceutically acceptable salt thereof is in a liquid formulation
with a solvent comprising/consisting of a mixture of ethanol and
water which is administered via an (equine) inhalation device.
[0024] In a specific aspect of the present invention (ciclesonide
or a pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof for the use in a method for treating an airways disease
and/or a method of treatment with ciclesonide or a pharmaceutically
acceptable salt thereof or a composition comprising ciclesonide or
a pharmaceutically acceptable salt thereof) the airway disease is a
pulmonary disease. In another aspect of the present invention the
airway disease is selected from the group consisting of: recurrent
airway obstruction (RAO), summer pasture associated obstructive
pulmonary disease (SPAOPD), and inflammatory airway disease (IAD).
In a preferred aspect of the present invention the airway disease
is recurrent airway obstruction (RAO).
[0025] In another specific aspect of the present invention
ciclesonide or a pharmaceutically acceptable salt thereof or a
composition comprising ciclesonide or a pharmaceutically acceptable
salt thereof is administered via an (equine) inhaler device.
Preferably said inhaler device comprises: (a) a pressurized metered
dose inhaler or an aqueous/ethanolic droplet inhaler such as the
RESPIMAT.RTM. inhaler or another inhalation device using the
RESPIMAT.RTM. aerosol-generating technology and (b) an adapter for
equine use. In yet another specific aspect of the present invention
ciclesonide or said pharmaceutically acceptable salt thereof or
said composition comprising ciclesonide or said pharmaceutically
acceptable salt thereof is a partially ethanolic formulation and is
administered via an (equine) inhaler device.
[0026] In a further aspect of the present invention (ciclesonide or
a pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof for the use in a method for treating an airways disease
and/or a method of treatment with ciclesonide or a pharmaceutically
acceptable salt thereof or a composition comprising ciclesonide or
a pharmaceutically acceptable salt thereof) said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered at a dose of at least 900 .mu.g ex inhaler,
at least 1800 .mu.g ex inhaler, or at least 2700 .mu.g ex inhaler,
preferably at least 2700 .mu.g ex inhaler. In yet another aspect of
the present invention said ciclesonide or said pharmaceutically
acceptable salt thereof or said composition comprising ciclesonide
or said pharmaceutically acceptable salt thereof is administered at
a dose of 100 .mu.g to 5000 .mu.g ex inhaler, 450 .mu.g to 2700
.mu.g ex inhaler, 900 .mu.g to 2700 .mu.g ex inhaler, preferably at
a dose of 900 .mu.g to 2700 .mu.g ex inhaler. According to a
preferred aspect of the present invention ex inhaler is ex
RESPIMAT.RTM. inhaler.
[0027] In another aspect of the present invention (ciclesonide or a
pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof for the use in a method for treating an airways disease
and/or a method of treatment with ciclesonide or a pharmaceutically
acceptable salt thereof or a composition comprising ciclesonide or
a pharmaceutically acceptable salt thereof) said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
this administered with 20 or fewer actuations per dose, preferably
12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, or 1 actuations, most
preferably it is administered using 8 or fewer actuations per
dose.
[0028] In a specific aspect of the present invention the
composition comprising ciclesonide or a pharmaceutically acceptable
salt thereof is prepared for administration at a concentration of
0.7-3.1 g ciclesonide/100 mL or 1.0-3.1 g ciclesonide/100 ml
inhalation solution. Preferably it is prepared for the
administration with 20 or fewer actuations per dose, preferably 12,
11, 10, 9, 8, 7, 6, 5, 4, 3, 2, or 1 actuations per dose, most
preferably the composition is prepared for the administration using
8 or fewer actuations per dose.
[0029] In a specific aspect of the present invention (ciclesonide
or a pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof for the use in a method for treating an airways disease
and/or a method of treatment with ciclesonide or a pharmaceutically
acceptable salt thereof or a composition comprising ciclesonide or
a pharmaceutically acceptable salt thereof) said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered in 1 to 3 doses per day, preferably 1 or 2
doses are administered per day/once daily. In another specific
aspect of the present invention said ciclesonide or said
pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered once daily. In a further specific aspect of
the present invention said ciclesonide or said pharmaceutically
acceptable salt thereof or said composition comprising ciclesonide
or said pharmaceutically acceptable salt thereof is administered in
1 to 4 doses per week (e.g. every 2. day, that is 3.5 doses per
week).
[0030] In a specific aspect of the present invention the
composition comprising ciclesonide or a pharmaceutically acceptable
salt thereof is made/prepared with/for the administration of a
concentration of 0.7-3.1 g ciclesonide/100 mL or 1.0-3.1 g
ciclesonide/100 mL. Preferably it is prepared for the
administration in 1 to 3 doses per day, preferably 1 or 2 doses per
day. Preferably it is prepared for the administration of 1 to 2
doses once daily. In a further specific aspect of the present
invention the composition comprising ciclesonide or a
pharmaceutically acceptable salt thereof is prepared for the
administration in 1 to 3 doses per week.
[0031] In yet another aspect of the present invention (ciclesonide
or a pharmaceutically acceptable salt thereof or a composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof for the use in a method for treating an airways disease
and/or a method of treatment with ciclesonide or a pharmaceutically
acceptable salt thereof or a composition comprising ciclesonide or
a pharmaceutically acceptable salt thereof), said ciclesonide or
said pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered over an extended time period of at least 1
week, at least 2, 3, 4, 5, 6, 7, 8, 9, or 10 weeks or more. In a
preferred aspect of the present invention said ciclesonide or said
pharmaceutically acceptable salt thereof or said composition
comprising ciclesonide or said pharmaceutically acceptable salt
thereof is administered in 1-2 doses daily over an extended time
period. In a specific aspect said time period is at least 1 week,
which can be extended to at least 2, 3, 4, 5, 6, 7, 8, 9, or 10
weeks or more. Preferably said ciclesonide or said pharmaceutically
acceptable salt thereof or said composition comprising ciclesonide
or said pharmaceutically acceptable salt thereof is administered in
1 or 2 doses daily over an extended period, whereby said period is
preferably at least 1 week, which can be extended to at least 2, 3,
4, 5, 6, 7, 8, 9, or 10 weeks or more.
[0032] In a specific aspect of the present invention the
composition comprising ciclesonide or a pharmaceutically acceptable
salt thereof is prepared for the administration at a concentration
of 0.7-3.1 g ciclesonide/100 mL or 1.0-3.1 g ciclesonide/100 mL
inhalation solution. Preferably the composition comprising
ciclesonide or a pharmaceutically acceptable salt thereof is
prepared for the administration over an extended time period of at
least 1 week, at least 2, 3, 4, 5, 6, 7, 8, 9, or 10 weeks or more.
In a preferred aspect of the present invention the composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof is prepared for the administration in 1 or 2 doses daily
over an extended time period of at least 1 week, at least 2, 3, 4,
5, 6, 7, 8, 9, or 10 weeks or more, most preferably the composition
comprising ciclesonide or a pharmaceutically acceptable salt
thereof is prepared for the administration in 1 dose daily over an
extended period of at least 1 week, at least 2, 3, 4, 5, 6, 7, 8,
9, or 10 weeks or more.
BRIEF DESCRIPTION OF THE DRAWINGS
[0033] FIG. 1: BUDESONIDE STUDY
[0034] Temporal variations in transpulmonary pressure
(.DELTA.P.sub.L) associated with the administration of
dexamethasone (black bars) and three different doses of budesonide
applied with the RESPIMAT.RTM. inhaler (450 .mu.g (nozzle A): white
bars, 900 .mu.g (nozzle A): striped, 1800 .mu.g (nozzle A):
crossed) between days 0 and 14 (mean.+-.SEM) (n=8), where SEM is
"Standard Error of the Mean".
[0035] FIG. 2: BUDESONIDE STUDY
[0036] Temporal variations in breathing effort score associated
with the administration of dexamethasone (black bars) and three
different doses of budesonide applied with the RESPIMAT.RTM.
inhaler (450 .mu.g (nozzle A): white bars, 900 .mu.g (nozzle A):
striped, 1800 .mu.g (nozzle A): crossed) between days 0 and 14
(mean.+-.SEM) (n=8)
[0037] FIG. 3: BUDESONIDE STUDY
[0038] Temporal variations in serum cortisol associated with the
administration of dexamethasone (black bars) and three different
doses of budesonide applied with the RESPIMAT.RTM. inhaler (450
.mu.g (nozzle A): white bars, 900 .mu.g (nozzle A): striped 1800
.mu.g (nozzle A): crossed) between days 0 and 14 (mean.+-.SEM)
(n=8)
[0039] FIG. 4: CICLESONIDE 1.sup.ST STUDY
[0040] Temporal variations in transpulmonary pressure
(.DELTA.P.sub.L) associated with the administration of
dexamethasone (black bars) and three different doses of ciclesonide
applied with the RESPIMAT.RTM. inhaler (450 .mu.g (nozzle A): white
bars, 900 .mu.g (nozzle A): striped, 1800 .mu.g (nozzle A):
crossed) between days 0 and 14 (mean.+-.SEM) (n=8)
[0041] FIG. 5: CICLESONIDE 1.sup.ST STUDY
[0042] Temporal variations in serum cortisol associated with the
administration of dexamethasone (black bars) and three different
doses of ciclesonide applied with the RESPIMAT.RTM. inhaler (450
.mu.g (nozzle A): white bars, 900 .mu.g (nozzle A): striped, 1800
.mu.g (nozzle A): crossed) between days 0 and 14 (mean.+-.SEM)
(n=8)
[0043] FIG. 6: CICLESONIDE 2.sup.ND STUDY
[0044] A) Temporal variations in transpulmonary pressure
(.DELTA.P.sub.L) associated with the administration of
dexamethasone (black bars) and three different doses of ciclesonide
applied with the RESPIMAT.RTM. inhaler (1687.5 .mu.g (nozzle B):
white bars, 2700 .mu.g (nozzle A): striped, 2700 .mu.g (nozzle B):
crossed) between days 0 and 14 (mean.+-.SEM) (n=8)
[0045] B) Temporal variations in lung resistance (R.sub.L)
associated with the administration of dexamethasone (black bars)
and three different doses of ciclesonide applied with the
RESPIMAT.RTM. inhaler (1687.5 .mu.g (nozzle B): white bars, 2700
.mu.g (nozzle A): striped, 2700 .mu.g (nozzle B): crossed) between
days 0 and 14 (mean.+-.SEM) (n=8)
[0046] FIG. 7: CICLESONIDE 2.sup.ND STUDY
[0047] Temporal variations in weighted clinical score associated
with the administration of dexamethasone (black bars) and three
different doses of ciclesonide applied with the RESPIMAT.RTM.
inhaler (1687.5 .mu.g (nozzle B): white bars, 2700 .mu.g (nozzle
A): striped, 2700 .mu.g (nozzle B): crossed) between days 0 and 14
(mean.+-.SEM) (n=8)
[0048] FIG. 8: CICLESONIDE 2.sup.ND STUDY
[0049] Temporal variations in serum cortisol associated with the
administration of dexamethasone (black bars) and three different
doses of ciclesonide applied with the RESPIMAT.RTM. inhaler (1687.5
.mu.g (nozzle B): white bars, 2700 .mu.g (nozzle A): striped, 2700
.mu.g (nozzle B): crossed) between days 0 and 14 (mean.+-.SEM)
(n=8)
DETAILED DESCRIPTION OF THE INVENTION
[0050] Both budesonide and ciclesonide are investigated and
compared to dexamethasone in the same moldy hay challenge model.
Both drugs are administered by the RESPIMAT.RTM. inhaler with an
adapter for use with horses ("Equine Inhaler device") at different
dose levels (see examples 1 to 3). Both molecules show a comparable
efficacy to dexamethasone measured in lung function variables
(transpulmonary pressure, lung resistance and lung elastance) and
clinical score (breathing effort score and weighted clinical score)
(see example 1 and 3). However, the blood levels of cortisol are
different between budesonide and ciclesonide (see examples 1-3).
The cortisol level is comparable between the highest dose of
budesonide and dexamethasone after 14 days of treatment, showing a
significant reduction in comparison to the baseline cortisol value
(see example 1). In contrast, the cortisol level does not change
significantly after the administration of the highest ciclesonide
dose, whereas it is significantly reduced after the administration
of dexamethasone compared to values prior to treatment (see example
3). In addition, complete blood count is investigated as well after
14 days treatment with dexamethasone and ciclesonide. Neutrophilia
and lymphopenia are observed after the administration of
dexamethasone in both studies (see Examples 2 and 3). In contrast,
neutrophilia and lymphopenia are not observed after the
administration of the different doses of ciclesonide.
[0051] Before describing the various aspects of the present
invention it shall be noted that as used herein and in the appended
claims, the singular forms "a", "an", and "the" include plural
reference unless the context clearly dictates otherwise. Thus, for
example, reference to "a preparation" includes a plurality of such
preparations reference to the "carrier" is a reference to one or
more carriers and equivalents thereof known to those skilled in the
art, and so forth. Unless defined otherwise, all technical and
scientific terms used herein have the same meanings as commonly
understood by one of ordinary skill in the art to which this
invention belongs. All given ranges and values may vary by 1 to 5%
unless indicated otherwise or known otherwise by the person skilled
in the art, therefore, the term "about" was omitted from the
description. Although any methods and materials similar or
equivalent to those described herein can be used in the practice or
testing of the present invention, the preferred methods, devices,
and materials are now described. All publications mentioned herein
are incorporated herein by reference for the purpose of describing
and disclosing the substances, excipients, carriers, and
methodologies as reported in the publications which might be used
in connection with the invention. Nothing herein is to be construed
as an admission that the invention is not entitled to antedate such
disclosure by virtue of prior invention. Terms not specifically
defined herein should be given the meanings that would be given to
them by one of skill in the art in light of the disclosure and the
context. As used in the specification, however, unless specified to
the contrary, the following terms have the meaning indicated and
the following conventions are adhered to.
[0052] The term "ciclesonide"
((11.beta.,16.alpha.)-16,17-[[(R)Cyclohexylmethylene]bis(oxy)]-11-hydroxy-
-21-(2-methyl-1-oxopropoxy)pregna-1,4-diene-3,20-dione,
C.sub.32H.sub.44O.sub.2, M.sub.r=540.7 g/mol) is well known in the
art and means/describes a glucocorticoid used to treat asthma and
allergic rhinitis in humans. It is marketed for application in
humans under the brand name ALVESCO.RTM. for asthma and
OMNARIS.RTM./OMNIAIR.TM. for hay fever in the US and Canada.
Ciclesonide is a prodrug. It is transformed into the active
metabolite C21-C21-desisobutyrylciclesonide (=desciclesonide) via
hydrolysis by intracellular esterases in the lung. Ciclesonide is a
non-halogenated glucocorticoid, which predominantly exists in its
form as R-Enantiomer.
##STR00001##
[0053] The term "budesonide" is well known in the art and
means/describes a glucocorticoid steroid for the treatment of
asthma and non-infectious rhinitis (including hay fever and other
allergies), and for treatment and prevention of nasal polyposis in
humans. In addition, it is used for Crohn's disease (inflammatory
bowel disease) in humans. Budesonide is known commercially as
SYMBICORT.RTM..
##STR00002##
[0054] The term "dexamethasone" is well known in the art and
means/describes a potent synthetic member of the glucocorticoid
class of steroid drugs. It acts as an anti-inflammatory and
immunosuppressant. When taken orally, it is 27 times more potent
than the naturally occurring hormone cortisol and 7 times more
potent than prednisone.
##STR00003##
[0055] As used herein the term "prodrug" refers to (i) an inactive
form of a drug that exerts its effects after metabolic processes
within the body converting it to a usable or active form, or (ii) a
substance that gives rise to a pharmacologically active metabolite,
although not itself active (i.e. an inactive precursor).
[0056] The terms "prodrug" or "prodrug derivative" mean a
covalently-bonded derivative, carrier or precursor of the parent
compound or active drug substance which undergoes at least some
biotransformation prior to exhibiting its pharmacological
effect(s). Such prodrugs either have metabolically cleavable or
otherwise convertible groups and are rapidly transformed in vivo to
yield the parent compound, for example, by hydrolysis in blood or
by activation via oxidation as in case of thioether groups. Most
common prodrugs include esters and amide analogs of the parent
compounds. The prodrug is formulated with the objectives of
improved chemical stability, improved patient acceptance and
compliance, improved bioavailability, prolonged duration of action,
improved organ selectivity, improved formulation (e.g., increased
hydrosolubility), and/or decreased side effects (e.g., toxicity).
In general, prodrugs themselves have weak or no biological activity
and are stable under ordinary conditions. Prodrugs can usually be
readily prepared from the parent compounds using methods known in
the art.
[0057] The term "equine" means of or belonging to the family
Equidae, which includes the horses, asses, and zebras, preferably
horses. In addition, the term "equine" encompasses also hybrids of
members of the family Equidae (e.g. mules, hinnies, etc.)
[0058] The term "patient" or "subject" embraces mammals such as
primates including humans. The term "patient" or "subject" as used
herein relates specifically to horses, especially horses suffering
from airway disease (particularly pulmonary disease), preferably
from recurrent airway obstruction (RAO) also called heaves or
equine COPD and/or summer pasture associated obstructive pulmonary
disease (SPAOPD) also called Summer Pasture Associated Recurrent
Airway Obstruction (SPARAO) and/or inflammatory airway disease
(IAD), most preferably from RAO.
[0059] The term "airway disease" in horses means the following:
recurrent airway obstruction (RAO) also called heaves or equine
COPD, Summer Pasture Associated Obstructive Pulmonary disease
(SPAOPD), inflammatory airway disease (IAD), exercise induced
pulmonary hemorrhage (EIPH), infectious diseases, chronic
interstitial lung disease and upper respiratory tract functional
disorders.
[0060] The term "pulmonary disease" means: recurrent airway
obstruction (RAO) also called heaves or equine COPD, Summer Pasture
Associated Obstructive Pulmonary disease (SPAOPD), inflammatory
airway disease (IAD), exercise induced pulmonary hemorrhage (EIPH),
infectious diseases, or chronic interstitial lung disease.
[0061] The term "recurrent airway obstruction (RAO)" in horses
means the following: a chronic syndrome of mature horses with
reversible airway obstruction in the stable showing periods of
labored breathing at rest during exacerbation.
[0062] The term "Summer Pasture Associated Obstructive Pulmonary
disease (SPAOPD)" in horses means the following: a chronic
syndrome, which shares many clinical and pathological similarities
with RAO at rest on the pasture, suggesting similar pathogenesis,
however, it is caused by different antigens.
[0063] The term "inflammatory airway disease (IAD)" in horses means
the following: a chronic syndrome of horses showing poor
performance or coughing or excess trap) cheal mucus without showing
periods of labored breathing at rest.
[0064] The term "effective amount" as used herein means an amount
sufficient to achieve a reduction of airway disease in a horse when
ciclesonide is administered, preferably at a dosage as described
herein. The progress of the therapy (improvement of airway disease,
particularly pulmonary disease, preferably recurrent airway
obstruction (RAO) and/or Summer Pasture Associated Obstructive
Pulmonary disease (SPAOPD) and/or inflammatory airway disease
(IAD), most preferably RAO as described herein) can be monitored by
standard airway/pulmonary diagnosis, for example, by clinical
examination, airway fluid cytology, endoscopy, lung function
measurement, or blood-gas analysis.
[0065] The term "pharmaceutically acceptable derivative thereof"
means but is not limited to pharmaceutically acceptable salts,
derivatives, metabolites or pro-drugs of a drug. Derivatives as
used herein include but are not limited to, any hydrate forms,
solvates, isomers, enantiomers, racemates, racemic conglomerate and
the like of the compound of choice. Suitable pharmaceutically
acceptable salts are well known in the art and may be formed with
an inorganic or organic acid, such as hydrochloric acid,
hydrobromic acid, sulfuric acid, phosphoric acid, nitric acid,
acetic acid, glycolic acid, lactic acid, pyruvic acid, malonic
acid, succinic acid, glutaric acid, fumaric acid, malic acid,
mandelic acid, tartaric acid, citric acid, ascorbic acid, palmitic
acid, maleic acid, hydroxymaleic acid, benzoic acid, hydroxybenzoic
acid, phenylacetic acid, cinnamic acid, salicylic acid,
methanesulfonic acid, benzenesulfonic acid and toluenesulfonic
acid.
Dosage
[0066] The dosage regimen for the treatment of an equine using
ciclesonide or a composition comprising ciclesonide (as an active
compound) according to the present invention will, of course, vary
depending upon known factors, such as the pharmacodynamic
characteristics of the particular agent and its mode and route of
administration; the species, age, sex, health, medical condition,
and weight of the recipient (or patient); the nature and extent of
the symptoms; the kind of concurrent treatment; the frequency of
treatment; the route of administration, the renal and hepatic
function of the patient, and the effect desired.
[0067] A physician or veterinarian can determine and prescribe the
effective amount of the drug required to prevent, counter, or
arrest the progress of the disorder.
[0068] In the context of the present invention the term "dose"
means the delivered dose "ex inhaler". Ex inhaler comprises for
example a pressurized metered dose inhaler (pMDI) or an
aqueous/ethanolic droplet inhaler. A specific form of an
aqueous/ethanolic droplet inhaler is, for example, the
RESPIMAT.RTM. inhaler or another inhalation device using the
RESPIMAT.RTM. technology.
[0069] The concentration of ciclesonide contained in the solution
in the inhalation device ranges preferably from 0.7 to 3.1%
m/V.
[0070] The systemic dose is determined by measuring the blood
levels of the prodrug (ciclesonide) and the activated metabolite
(desisobutyryl-ciclesonide) in case systemic exposure is relevant
in the horse. A high systemic dose results in higher side effects
for example reduction of cortisol serum levels.
[0071] In addition, radioisotope labeled ciclesonide (e.g.,
.sup.99mTc) can be used to examine the distribution of ciclesonide
and its metabolites in the body, especially in the upper and lower
airway tract. Based on the currently available scientific data, the
dose of ciclesonide, when used for the indicated effects, will
range between 200 and 5000 .mu.g/horse (ex inhaler), preferably 400
to 4000 .mu.g/horse (ex inhaler), even more preferred between 1000
and 3500 .mu.g/horse (ex inhaler), most preferred between 1500 and
3100 .mu.g/horse (ex inhaler). Those doses should be administered
once, twice or three times per day, preferably once or twice daily.
In a specific embodiment of the present invention those doses
should be administered once a day.
[0072] In another specific embodiment of the present invention the
dosage (such as the doses outlined above) may be split into or
reduced to anywhere in between one dose once in two days up to one
dose once in a week. The treatment is advisable in clinically
apparent cases, both in acute as well as in chronic settings.
Administration
[0073] Suitable forms for "administration" are for example
inhalation, parenteral or oral administration.
[0074] In the specific administration via the RESPIMAT.RTM. inhaler
the content of the pharmaceutically effective ciclesonide should be
in the range from 0.1 to 5% m/V, preferably 0.7 to 3.1% m/V or 1.0
to 3.1% m/V of the total composition, i.e. in amounts which are
sufficient to achieve the dose range specified hereinafter.
[0075] When administered by inhalation ciclesonide may be given as
an ethanolic is solution or a solution containing a mixture of
water and ethanol. Preferably, therefore, pharmaceutical
formulations are characterized in that they comprise ciclesonide
according to the preferred aspects above.
[0076] It is particularly preferred that ciclesonide is
administered via inhalation/ex inhaler, preferably it is
administered once or twice a day. Suitable formulations may be
obtained, for example, by mixing ciclesonide with known excipients,
for example water, pharmaceutically acceptable organic solvents
such as mono- or polyfunctional alcohols (e.g. ethanol or
glycerol), or refrigerants such as hydrofluoroalkanes (HFA),
specifically HFA 227 and HFA 134a. For a liquid formulation,
additional excipients for example hydrochloric acid or citric acid
to adjust the [H.sup.+] concentration may be added.
[0077] It is especially preferred that ciclesonide is administered
by/via an aqueous/ethanolic droplet inhaler, for example the
RESPIMAT.RTM. inhaler or another inhalation device using the
RESPIMAT.RTM. aerosol-generating technology. Preferably ciclesonide
is administered once or twice a day. For this purpose, ciclesonide
has to be made available in a liquid solution which is suitable for
the inhaler.
[0078] Most preferably the solvent in the liquid formulation
(inhalation solution) comprises a mixture of .gtoreq.85% V/V
ethanol and .ltoreq.15% V/V water, such as 90% V/V ethanol and 10%
V/V water.
[0079] In a specific embodiment the formulation of ciclesonide is
as follows:
TABLE-US-00002 TABLE 2 Ingredient Content Ciclesonide 0.7-3.1 g/100
mL Hydrochloric acid ad [H.sup.+] = 10.sup.-3.5 to 10.sup.-5 mol/L
90% V/V ethanol/water ad 100 mL where the concentration of hydrogen
ions [H.sup.+] can be measured, for example, by potentiometric
titration.
[0080] A further aspect of the present invention is the application
of the liquid formulation (inhalation solution) using the
RESPIMAT.RTM. inhaler. This inhaler is disclosed for example in WO
97/12687, which is hereby incorporated therein. This inhaler can
advantageously be used to produce the inhalable aerosols according
to the invention. The dose of active substance delivered ex
RESPIMAT.RTM. inhaler can be calculated from: [0081] the
concentration of active substance in the liquid formulation
[.mu.g/.mu.l], [0082] the "delivered volume", defined as the volume
of liquid expelled from the RESPIMAT.RTM. inhaler per actuation
[.mu.l]. The delivered volume ex RESPIMAT.RTM. inhaler has been
found to be approximately 11.05 .mu.l per actuation, according to
the following formula:
[0082] Dose [.mu.g]=Concentration [.mu.g/.mu.l]Delivered Volume
[.mu.l]
[0083] In a further aspect of the present invention the composition
is administered via an (equine) inhaler device. The (equine)
inhaler device preferably comprises the RESPIMAT.RTM. inhaler,
which may be modified, and other parts to adapt the inhaler to
equine use. In a preferred aspect the composition is a partially
ethanolic formulation and is administered via an (equine) inhaler
device. The dose emitted via the (equine) inhaler device is
slightly lower than the dose ex RESPIMAT.RTM. inhaler.
EXAMPLES
[0084] The following examples serve to further illustrate the
present invention; but the same should not be construed as a
limitation of the scope of the invention disclosed herein.
Example 1
[0085] Budesonide is investigated in a cross-over, blinded moldy
hay challenge study. Eight (8) RAO horses are examined in the
study, which is divided into an acclimation and a treatment phase.
Placebo for budesonide is administered a few times per inhalation
via the Equine Inhaler device to all horses in the acclimation
period. Budesonide and dexamethasone is administered to the horses
in a cross-over design in the treatment phase. The horses are
challenged by exposure to moldy hay throughout the acclimation and
treatment periods. Budesonide is administered with the doses of 450
.mu.g (2 actuations)/900 .mu.g (4 actuations)/1800 (8 actuations)
.mu.g/horse (ex-RESPIMAT.RTM.) twice daily for 14 days per
inhalation via the Equine Inhaler device. Nozzle A and a
RESPIMAT.RTM. inhaler device not available commercially is used in
the study. Nozzle A is the nozzle used with the commercially
available RESPIMAT.RTM.. Dexamethasone is administered with a dose
of 0.066 mg/kg per os, once daily for 14 days. Lung function
variables (change in transpulmonary pressure, lung resistance and
lung elastance), clinical score and blood parameters are examined
during the study. The data is statistically analyzed using double
repeated-measures ANOVA.
[0086] All lung function variables are significantly reduced in the
highest dose budesonide (1800 .mu.g/horse ex RESPIMAT.RTM.) and
dexamethasone groups after 14 days treatment compared to
pretreatment values (p<0.0001) (see FIG. 1). There is no
significant difference in the lung function variables between the
highest dose budesonide (1800 .mu.g/horse ex RESPIMAT.RTM.) and
dexamethasone groups after 7 or 14 days treatment. The clinical
score is significantly reduced after 7 and 14 days treatment in all
three budesonide and the dexamethasone treatment groups compared to
pretreatment values (p=0.002 to p<0.0001) (see FIG. 2). There is
no significant difference in the clinical score between the highest
and middle dose group of budesonide (900 and 1800 .mu.g/horse ex
RESPIMAT.RTM.) and the dexamethasone group after 7 and 14 days
treatment. The cortisol levels in serum are significantly reduced
in the highest and middle dose budesonide (900 and 1800 .mu.g/horse
ex RESPIMAT.RTM.) and dexamethasone groups after 14 days treatment
compared to pretreatment values (p<0.0001) (see FIG. 3). There
is no significant difference in the cortisol blood levels between
the highest and middle dose group of budesonide (900 and 1800
.mu.g/horse ex RESPIMAT.RTM.) and the dexamethasone group after 14
days treatment.
Example 2
1.sup.st Ciclesonide Study
[0087] Ciclesonide is investigated in a cross-over, blinded moldy
hay challenge study. Eight (8) RAO horses are examined in the
study, which is divided into an acclimation and a treatment phase.
Placebo for ciclesonide is administered twice daily per inhalation
via the Equine Inhaler device to all horses for 1 week in the
acclimation period. Ciclesonide and dexamethasone are administered
to the horses in a cross-over design in the treatment phase. The
horses are challenged by exposure to moldy hay throughout the
acclimation and treatment periods. Ciclesonide is administered with
the doses of 450 .mu.g (2 actuations)/900 .mu.g (4 actuations)/1800
.mu.g (8 actuations)/horse (ex-RESPIMAT.RTM.) twice daily for 14
days per inhalation via the Equine Inhaler device. Nozzle A and a
commercially available RESPIMAT.RTM. is used in the study.
Dexamethasone is administered with a dose of 0.066 mg/kg per os,
once daily for 14 days. Lung function variables (change in
transpulmonary pressure (.DELTA.PL), lung resistance (RL) and lung
elastance (EL)), breathing effort score and blood parameters are
examined during the study. The data is statistically analyzed using
double repeated-measures ANOVA.
[0088] All lung function variables are significantly reduced in the
dexamethasone group after 14 days treatment compared to
pretreatment values (p<0.0001) (see FIG. 4). Only the highest
dose ciclesonide group (1800 .mu.g/horse ex RESPIMAT.RTM.) shows a
statistically significant reduction in .DELTA.PL and EL after 14
days treatment compared to pretreatment values (p=0.0005 and
p=0.0004). There is no significant difference in .DELTA.PL and EL
between the highest dose ciclesonide (1800 .mu.g/horse ex
RESPIMAT.RTM.) and dexamethasone groups after 14 days treatment.
The breathing effort score shows no significant changes in any of
the treatment groups in any of the measured time points.
[0089] The serum cortisol levels are significantly reduced in the
dexamethasone group compared to pretreatment values on days 3, 5,
7, 10, 14 and 17 following treatment initiation (p<0.0001) (see
FIG. 5). There is no significant reduction in the serum cortisol
levels in any of the ciclesonide treatment groups at any measured
time points. The serum cortisol levels in the dexamathasone group
are significantly reduced in comparison to any of the ciclesonide
treatment groups on days 3, 5, 7, 10, 14 and 17 following treatment
initiation (p<0.0001). The segmented neutrophil count is
increased and the lymphocytes count is decreased after the
administration of dexamethasone (see Example 4). There is no change
in the counts of lymphocytes and no or minor increase in the counts
of segmented neutrophils after the administration of
ciclesonide.
Example 3
2.sup.nd Ciclesonide Study
[0090] Ciclesonide is investigated in a cross-over, blinded moldy
hay challenge study. Eight (8) RAO horses are examined in the
study, which is divided into an acclimation and a treatment phase.
Placebo for ciclesonide is administered twice daily per inhalation
via the Equine Inhaler device to all horses for 1 week in the
acclimation period. Ciclesonide and dexamethasone are administered
to the horses in a cross-over design in the treatment phase. The
horses are challenged by exposure to moldy hay throughout the
acclimation and treatment periods. Ciclesonide is administered with
the doses of 1687.5 .mu.g (5 actuations, nozzle B)/2700 .mu.g (8
actuations, nozzle A)/2700 .mu.g (8 actuations, nozzle B)/horse
(ex-RESPIMAT.RTM.) twice daily for 14 days per inhalation via the
Equine Inhaler device. The commercially available RESPIMAT.RTM. is
used in the study. Nozzle A is the nozzle used with the
commercially available RESPIMAT.RTM. inhaler. Nozzle B is a
different nozzle resulting in a reduced spray time. Dexamethasone
is administered with a dose of 0.066 mg/kg per os, once daily for
14 days. Lung function variables (change in transpulmonary pressure
(.DELTA.PL), lung resistance (RL) and lung elastance (EL)),
weighted clinical score and blood parameters are examined during
the study. The data are statistically analyzed using double
repeated-measures ANOVA.
[0091] All lung function variables are significantly reduced in all
ciclesonide and dexamethasone groups after 14 days treatment
compared to pretreatment values (p=0.0009 to p<0.0001) (see
FIGS. 6A and 6B). There is no significant difference in the lung
function variables between all ciclesonide and dexamethasone groups
after 7 or 14 days treatment. The weighted clinical score is
significantly reduced after 14 days treatment in all three
ciclesonide and the dexamethasone treatment groups compared to
pretreatment values (p=0.0001 to p<0.0001) (see FIG. 7). There
is no significant difference in the weighted clinical score between
the ciclesonide treatment groups and the dexamethasone group after
14 days treatment. The serum cortisol levels are significantly
reduced in the dexamethasone group on days 3, 5, 7, 10, 14 and 17
following treatment initiation (p<0.0001) (see FIG. 8). There is
no significant reduction in the serum cortisol levels in any of the
ciclesonide treatment groups at any measured time points. The serum
cortisol is levels in the dexamathasone group are significantly
reduced in comparison to any of the ciclesonide treatment groups on
days 3, 5, 7, 10, 14 and 17 following treatment initiation
(p<0.0001). The segmented neutrophil count is increased and the
lymphocytes count is decreased after the administration of
dexamethasone (see Example 4). There is no change in the counts of
lymphocytes and no or minor increase in the counts of segmented
neutrophils after the administration of ciclesonide.
Example 4
[0092] The segmented neutrophil counts and the lymphocyte counts
are determined in the studies above: ciclesonide treatment versus
dexamethasone treatment. For experimental setup and description of
the conduction of the studies see Examples 2 and 3.
TABLE-US-00003 TABLE 3 Concentration of segmented neutrophils and
lymphocytes on day (D): D0, D14 and D21 in the treatment groups of
dexamethasone and different doses of ciclesonide (n = 8) (mean
(SEM) Segmented neutrophils Lymphocytes (.times.10.sup.9/L)
(.times.10.sup.9/L) D0 D14 D21 D0 D14 D21 Dexamethasone (1st
ciclesonide 4.77 6.16 4.27 2.10 1.71 1.76 study) (1.34) (1.28)
(1.23) (0.70) (0.52) (0.43) Dexamethasone (2nd ciclesonide 4.82
6.23 4.82 2.14 1.73 1.73 study) (1.51) (1.45) (1.04) (0.62) (0.62)
(0.34) 450 .mu.g ciclesonide 4.66 4.98 5.48 1.96 1.97 2.17 (1.32)
(1.75) (1.51) (0.36) (0.36) (0.50) 900 .mu.g ciclesonide 5.24 4.43
4.91 1.85 2.03 1.94 (1.10) (1.06) (2.48) (0.28) (0.49) (0.34) 1800
.mu.g ciclesonide 4.60 5.41 4.93 1.95 1.96 2.06 (1.33) (1.68)
(1.10) (0.48) (0.64) (0.57) 1687.5 .mu.g ciclesonide 4.51 5.22 4.55
1.93 1.94 2.04 (1.61) (2.54) (1.80) (0.48) (0.33) (0.41) 2700 .mu.g
ciclesonide A 4.91 4.85 4.41 2.04 2.14 2.01 (1.45) (1.10) (1.75)
(0.57) (0.41) (0.43) 2700 .mu.g ciclesonide B 4.23 4.75 4.84 1.80
1.74 2.01 (1.17) (2.02) (1.55) (0.45) (0.36) (0.57)
[0093] Neutrophilia and lymphopenia is observed after the state of
the art treatment with dexamethasone (see Table 2). In contrast, no
alteration is observed in the immune system of horses measured by
neutrophilia and lymphopenia after treatment for two weeks with
different dose levels of ciclesonide (see Table 3).
Example 5
[0094] The concentration of ciclesonide and
C21-C21-desisobutyrylciclesonide is determined in plasma samples in
the above mentioned 2.sup.nd ciclesonide study: ciclesonide
treatment versus dexamethasone treatment. For experimental setup
and description of the conduction of the study see Example 3. The
plasma level of ciclesonide and C21-C21-desisobutyrylciclesonide
are determined by high performance liquid chromatography coupled to
tandem mass spectrometry. Plasma samples are collected prior to and
10, 30 min, 1, 2 and 4 h following ciclesonide administration on
day 1 and 11 of the treatment phase with ciclesonide.
TABLE-US-00004 Dose of ciclesonide Ciclesonide concentration on day
1 (nmol/L) (.mu.g) 0 min 10 min 30 min 1 h 2 h 4 h 1687.5 <0.500
0.87 <0.500 <0.500 <0.500 <0.500 2700 A <0.500 1.19
0.51 <0.500 <0.500 <0.500 2700 B <0.500 1.16 0.72
<0.500 <0.500 <0.500
TABLE-US-00005 Dose of ciclesonide Ciclesonide concentration on day
11 (nmol/L) (.mu.g) 0 min 10 min 30 min 1 h 2 h 4 h 1687.5
<0.500 0.97 <0.500 <0.500 <0.500 <0.500 2700 A
<0.500 1.02 0.63 <0.500 <0.500 <0.500 2700 B <0.500
1.38 0.63 <0.500 <0.500 <0.500
TABLE-US-00006 Dose of C21-C21-desisobutyrylciclesonide ciclesonide
concentration on day 1 (nmol/L) (.mu.g) 0 min 10 min 30 min 1 h 2 h
4 h 1687.5 <0.250 0 0.38 0.34 0.38 <0.250 2700 A <0.250
0.35 0.45 0.47 0.3 <0.250 2700 B <0.250 0.28 0.59 0.48 0.34
<0.250
TABLE-US-00007 Dose of C21-C21-desisobutyrylciclesonide ciclesonide
concentration on day 11 (nmol/L) (.mu.g) 0 min 10 min 30 min 1 h 2
h 4 h 1687.5 <0.250 0.3 0.37 0.39 0.3 <0.250 2700 A <0.250
0.4 0.57 0.44 0.34 <0.250 2700 B <0.250 0.36 0.51 0.43 0.35
<0.250
[0095] The concentration of ciclesonide is below the lower limit of
quantification (0.5 nmol/L) in the plasma samples taken 1 h after
drug administration. The concentration of
C21-C21-desisobutyrylciclesonide is below the lower limit of
quantification (0.25 nmol/L) in the plasma samples taken at 4 h
after the administration of ciclesonide.
Example 6
3.sup.rd Ciclesonide Study
[0096] Ciclesonide is investigated in a cross-over, blinded moldy
hay challenge study examining 8 RAO horses. Ciclesonide and placebo
for ciclesonide are administered to the horses in a cross-over
design. The horses are challenged by exposure to moldy hay
throughout the whole study. Ciclesonide is administered with the
doses of 2700 .mu.g, twice daily (8 actuations twice daily)/3712.5
.mu.g, once daily in the morning (11 actuations once daily in the
morning)/3712.5 .mu.g, once daily in the evening (11 actuations
once daily in the evening)/horse (ex-RESPIMAT.RTM.) for 14 days per
inhalation via the Equine Inhaler device. Placebo for ciclesonide
is administered with a dose of 0.0 .mu.g ciclesonide/horse
(ex-RESPIMAT.RTM.) twice daily for 14 days per inhalation via the
Equine Inhaler device. The commercially available RESPIMAT.RTM.
with nozzle B is used in the study (please see Example 3 for
description of nozzle B). Lung function variables (change in
transpulmonary pressure (.DELTA.PL), lung resistance (RL) and lung
elastance (EL)), weighted clinical score and blood parameters are
examined during the study. The data are statistically analyzed
using double repeated-measures ANOVA.
[0097] The lung function variables are significantly reduced in the
ciclesonide treatment groups after 14 days treatment compared to
the pretreatment values and compared to the placebo group as well.
There is no significant reduction in the lung function variables of
the placebo group after 14 days treatment compared to the
pretreatment values.
Example 7
4.sup.th Ciclesonide Study
[0098] Ciclesonide is investigated in a baseline controlled,
blinded study examining up to 3 IAD horses. Ciclesonide is
administered with the dose of 2700 gig, twice daily (8 actuations
twice daily)/horse (ex-RESPIMAT.RTM.) for 14 days per inhalation
via the Equine Inhaler device. The commercially available
RESPIMAT.RTM. with nozzle B is used in the study (please see
Example 3 for description of nozzle B). Lung function variables
using the impulse oscillometry system (respiratory resistance (Rrs)
and reactance (Xrs)), weighted clinical score and blood parameters
are examined during the study. The data are statistically analyzed
using repeated-measures ANOVA.
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