US20110027367A1 - Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders - Google Patents

Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders Download PDF

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US20110027367A1
US20110027367A1 US12/902,931 US90293110A US2011027367A1 US 20110027367 A1 US20110027367 A1 US 20110027367A1 US 90293110 A US90293110 A US 90293110A US 2011027367 A1 US2011027367 A1 US 2011027367A1
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topically applicable
pharmaceutical composition
composition
pharmaceutically acceptable
adapalene
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Michael Graeber
Janusz Czernielewski
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Galderma Research and Development SNC
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Galderma Research and Development SNC
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Priority claimed from FR0203070A external-priority patent/FR2837101B1/en
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Priority to US13/475,827 priority patent/US8653140B2/en
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    • A61K31/192—Carboxylic acids, e.g. valproic acid having aromatic groups, e.g. sulindac, 2-aryl-propionic acids, ethacrynic acid 
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    • C07C2603/74—Adamantanes

Definitions

  • the present invention relates to the administration to individuals in need of such treatment of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthanoic acid, the chemical structure of which is as follows:
  • compositions in particular dermatological compositions, for the treatment of dermatological ailments/afflictions having an inflammatory or proliferative component.
  • 6-[3-(1-Adamantyl)-4-methoxyphenyl]-2-naphthanoic acid (hereinafter referred to as adapalene) is a retinoid derived from naphthoic acid, having anti-inflammatory properties. This molecule has been the subject of development for the topical treatment of common acne and dermatoses sensitive to retinoids.
  • Adapalene is described in EP-0,199,636, and a process for synthesizing same is described in EP-0,358,574, both assigned to the assignee hereof.
  • the assignee hereof markets adapalene formulated at a weight concentration of 0.1% in the form of an alcoholic lotion, an aqueous gel and a cream. These compositions are suited for the treatment of acne.
  • adapalene is described as having a beneficial action on photodamaged skin (Photographic assessment of the effects of adapalene 0.1% and 0.3% gels and vehicle on photodamaged skin. M. Goldfarb et al., Clinical Dermatology , Vienna, Austria, May 2000).
  • Novel pharmaceutical compositions have now been developed containing adapalene at a weight concentration of 0.3% formulated into pharmaceutically acceptable media therefor, useful for the treatment (regime or regimen) of dermatological ailments, conditions or afflictions having an inflammatory or proliferative component.
  • the compositions according to the invention exhibits good tolerance, comparable to those of the known compositions with a lower concentration of active principle.
  • FIG. 1 is a graph illustrating regression in the number of total lesions for 0.30% adapalene gel, as compared to 0.10% adapalene gel and the gel vehicle without active ingredient, over a 12-week treatment period in groups of patients suffering from acne.
  • FIG. 2 is a graph illustrating regression in the number of inflammatory lesions for 0.30% adapalene gel, as compared to 0.10% adapalene gel and the gel vehicle without active ingredient, over a 12-week treatment period in groups of patients suffering from acne.
  • FIG. 3 is a graph illustrating regression in the number of non-inflammatory lesions for 0.30% adapalene gel, as compared to 0.10% adapalene gel and the gel vehicle without active ingredient, over a 12-week treatment period in groups of patients suffering from acne.
  • the present invention features formulating 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthanoic acid (adapalene), or its salts, into pharmaceutical compositions useful for the treatment of dermatological ailments, conditions or afflictions having an inflammatory or proliferative component, such pharmaceutical compositions comprising 0.3% by weight of adapalene relative to the total weight of the composition.
  • adapalene 3-(1-adamantyl)-4-methoxyphenyl]-2-naphthanoic acid
  • adapalene salts is intended to mean the salts formed with a pharmaceutically acceptable base, in particular organic bases such as sodium hydroxide, potassium hydroxide and aqueous ammonia, or organic bases such as lysine, arginine or N-methylglucamine.
  • adapalene salts is also intended to mean the salts formed with fatty amines such as dioctylamine and stearylamine.
  • compositions according to the invention may be carried out enterally, parenterally, topically or occularly.
  • compositions according to the invention are preferably administered topically.
  • the pharmaceutical composition may be in the form of tablets, gelatin capsules, dragées, syrups, suspensions, solutions, powders, granules, emulsions, or suspensions of microspheres or nanospheres or of lipid or polymeric vesicles for controlled release.
  • the pharmaceutical composition may be in the form of solutions or suspensions for infusion or for injection.
  • compositions according to the invention are more particularly suited for treatment of the skin and the mucous membranes, and may be in the form of ointments, creams, milks, pomades, powders, impregnated pads, solutions, gels, sprays, lotions or suspensions. They may also be in the form of suspensions of microspheres or nanospheres or of lipid or polymeric vesicles, or of polymeric patches and hydrogels for controlled release. These compositions for topical application may be in anhydrous form, in aqueous form or in the form of an emulsion.
  • the pharmaceutical composition according to the invention is in the form of a gel, a cream or a lotion.
  • the pharmaceutical composition may be an aqueous gel containing in particular one or more ingredients selected from among Carbomer 940 (BF Goodrich, Carbopol 980) and propylene glycol, or a cream containing in particular one or more ingredients selected from among perhydrosqualene, cyclomethicone, PEG-20 methyl glucose sequistearate and methyl glucose sequistearate, or a polyethylene glycol-based alcoholic lotion.
  • Carbomer 940 BF Goodrich, Carbopol 980
  • propylene glycol or a cream containing in particular one or more ingredients selected from among perhydrosqualene, cyclomethicone, PEG-20 methyl glucose sequistearate and methyl glucose sequistearate, or a polyethylene glycol-based alcoholic lotion.
  • compositions according to the invention may also contain inert additives or combinations of these additives, such as
  • preservatives such as para-hydroxybenzoic acid esters
  • UV-A and UV-B screening agents are UV-A and UV-B screening agents
  • antioxidants such as ⁇ -tocopherol, butylhydroxyanisole or butylhydroxytoluene, superoxide dismutase, ubiquinol or certain metal chelating agents.
  • compositions according to the invention are especially intended for the treatment of dermatological ailments, conditions and afflictions having an inflammatory or proliferative component, selected from the group consisting of:
  • acne common acne, comedones, polymorphous acne, nodulocystic acne, acne conglobata, secondary acne such as solar, drug-related or occupational acne;
  • compositions according to the invention are particularly suitable for the treatment of acne, such as common acne, and in particular for the treatment of common acne of moderate to moderately severe intensity.
  • compositions comprising 0.3% of adapalene will now be given, it being understood that same are intended only as illustrative and in nowise limitative. Also given are results showing the therapeutic effects of the compositions according to the invention and the good tolerance to same by the treated patients.
  • the adapalene of the present example is provided by Sylachim, Division Finorga (product reference CF9611996).
  • Tests were carried out on a population consisting of patients suffering from acne. In this population, three groups were differentiated; the first received a daily topical application of the 0.3% adapalene gel, the second a daily topical application of the 0.1% adapalene gel in the same vehicle, and the third is a control group which receives a daily topical application of the gel corresponding to the composition of the first two gels but containing no active agent.
  • FIGS. 1 to 3 provide the results obtained in terms of regression of the number of lesions according to their nature.
  • the 0.3% adapalene gel acts more rapidly than the 0.1% adapalene gel; specifically, from the fourth week of treatment, a difference is noted between the effectiveness of the 0.1% adapalene gel and the 0.3% adapalene gel;
  • the 0.3% adapalene gel produces a clearly greater therapeutic effect after 8 weeks of treatment.
  • Blood samples are taken on the days 1 , 2 , 4 , 6 , 8 and 10 . During day 10 , and following the final application, samples are taken at 1, 2, 6, 8, 10, 12, 16 and 24 hours.
  • the plasma concentration of total adapalene (free and conjugated) in these samples is determined using the following protocol:
  • This method makes it possible to detect a minimum concentration of 0.15 ng/ml and permits quantification of the adapalene for a minimum concentration of 0.25 ng/ml.
  • the plasma concentrations of adapalene measured after 10 days of treatment are very low and confirm the safety of daily use of the 0.3% adapalene gel.
  • a pharmaceutical composition containing 0.3% of adapalene exhibits a benefit/risk ratio which makes it particularly suitable for the treatment of dermatological maladies having an inflammatory or proliferative component, and in particular, common acne.

Abstract

Dermatological disorders having an inflammatory or proliferative component are treated with pharmaceutical compositions containing on the order of 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthanoic acid (adapalene) or salt thereof, formulated into pharmaceutically acceptable media therefor, advantageously topically applicable gels, creams or lotions.

Description

    CROSS-REFERENCE TO EARLIER APPLICATIONS
  • This application is a continuation of earlier copending U.S. patent application Ser. No. 12/103,182, filed Apr. 15, 2008, now allowed, which is a divisional application of earlier co-pending U.S. patent application Ser. No. 10/937,612, filed Sep. 10, 2004, now U.S. Pat. No. 7,579,377, which is a continuation of PCT/EP03/03246 filed Mar. 12, 2003, and designating the United States (published in English on Sep. 18, 2003 as WO 03/075908 A1), which claims benefit of U.S. Provisional Application No. 60/370,223, filed Apr. 8, 2002, and also claims priority under 35 U.S.C. §119 of FR-02/03070, filed Mar. 12, 2002, each earlier application being hereby expressly incorporated by reference and each assigned to the assignee hereof.
    • BACKGROUND OF THE INVENTION
  • 1. Technical Field of the Invention
  • The present invention relates to the administration to individuals in need of such treatment of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthanoic acid, the chemical structure of which is as follows:
  • Figure US20110027367A1-20110203-C00001
  • in pharmaceutical compositions, in particular dermatological compositions, for the treatment of dermatological ailments/afflictions having an inflammatory or proliferative component.
  • 2. Description of Background and/or Related and/or Prior Art
  • 6-[3-(1-Adamantyl)-4-methoxyphenyl]-2-naphthanoic acid (hereinafter referred to as adapalene) is a retinoid derived from naphthoic acid, having anti-inflammatory properties. This molecule has been the subject of development for the topical treatment of common acne and dermatoses sensitive to retinoids.
  • Adapalene is described in EP-0,199,636, and a process for synthesizing same is described in EP-0,358,574, both assigned to the assignee hereof.
  • The assignee hereof markets adapalene formulated at a weight concentration of 0.1% in the form of an alcoholic lotion, an aqueous gel and a cream. These compositions are suited for the treatment of acne.
  • Finally, adapalene is described as having a beneficial action on photodamaged skin (Photographic assessment of the effects of adapalene 0.1% and 0.3% gels and vehicle on photodamaged skin. M. Goldfarb et al., Clinical Dermatology, Vienna, Austria, May 2000).
    • SUMMARY OF THE INVENTION
  • Novel pharmaceutical compositions have now been developed containing adapalene at a weight concentration of 0.3% formulated into pharmaceutically acceptable media therefor, useful for the treatment (regime or regimen) of dermatological ailments, conditions or afflictions having an inflammatory or proliferative component. Specifically, it has now surprisingly been shown that, in addition to exhibiting better therapeutic efficacy compared to known compositions, the compositions according to the invention exhibits good tolerance, comparable to those of the known compositions with a lower concentration of active principle.
  • The results regarding tolerance observed in trials relating to photo-damaged skin (indication “photodamage”), obtained on individuals on average 65 years old, could not be exploited in the context of the present invention. Specifically, as regards use of adapalene on young individuals (in particular regarding acne with populations of teenagers or young adults), the skin exhibits very different physiopathological characteristics (presence of many lesions, in particular inflammatory lesions, modifying skin permeability, hypercornification of the follicular channel, immuno response, bacterial colonization of the skin (P. acnes), sebaceous hyperplasia with hyperseborrhea).
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a graph illustrating regression in the number of total lesions for 0.30% adapalene gel, as compared to 0.10% adapalene gel and the gel vehicle without active ingredient, over a 12-week treatment period in groups of patients suffering from acne.
  • FIG. 2 is a graph illustrating regression in the number of inflammatory lesions for 0.30% adapalene gel, as compared to 0.10% adapalene gel and the gel vehicle without active ingredient, over a 12-week treatment period in groups of patients suffering from acne.
  • FIG. 3 is a graph illustrating regression in the number of non-inflammatory lesions for 0.30% adapalene gel, as compared to 0.10% adapalene gel and the gel vehicle without active ingredient, over a 12-week treatment period in groups of patients suffering from acne.
    •  DETAILED DESCRIPTION OF BEST MODE AND SPECIFIC/PREFERRED EMBODIMENTS OF THE INVENTION
  • Thus, the present invention features formulating 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthanoic acid (adapalene), or its salts, into pharmaceutical compositions useful for the treatment of dermatological ailments, conditions or afflictions having an inflammatory or proliferative component, such pharmaceutical compositions comprising 0.3% by weight of adapalene relative to the total weight of the composition.
  • The term “adapalene salts” is intended to mean the salts formed with a pharmaceutically acceptable base, in particular organic bases such as sodium hydroxide, potassium hydroxide and aqueous ammonia, or organic bases such as lysine, arginine or N-methylglucamine.
  • The term “adapalene salts” is also intended to mean the salts formed with fatty amines such as dioctylamine and stearylamine.
  • The administration of the compositions according to the invention may be carried out enterally, parenterally, topically or occularly.
  • The pharmaceutical compositions according to the invention are preferably administered topically.
  • Enterally, the pharmaceutical composition may be in the form of tablets, gelatin capsules, dragées, syrups, suspensions, solutions, powders, granules, emulsions, or suspensions of microspheres or nanospheres or of lipid or polymeric vesicles for controlled release. Parenterally, the pharmaceutical composition may be in the form of solutions or suspensions for infusion or for injection.
  • Topically, the pharmaceutical compositions according to the invention are more particularly suited for treatment of the skin and the mucous membranes, and may be in the form of ointments, creams, milks, pomades, powders, impregnated pads, solutions, gels, sprays, lotions or suspensions. They may also be in the form of suspensions of microspheres or nanospheres or of lipid or polymeric vesicles, or of polymeric patches and hydrogels for controlled release. These compositions for topical application may be in anhydrous form, in aqueous form or in the form of an emulsion.
  • In a preferred embodiment of the invention, the pharmaceutical composition according to the invention is in the form of a gel, a cream or a lotion.
  • In particular, the pharmaceutical composition may be an aqueous gel containing in particular one or more ingredients selected from among Carbomer 940 (BF Goodrich, Carbopol 980) and propylene glycol, or a cream containing in particular one or more ingredients selected from among perhydrosqualene, cyclomethicone, PEG-20 methyl glucose sequistearate and methyl glucose sequistearate, or a polyethylene glycol-based alcoholic lotion.
  • The pharmaceutical compositions according to the invention may also contain inert additives or combinations of these additives, such as
  • wetting agents;
  • flavor enhancers;
  • preservatives such as para-hydroxybenzoic acid esters;
  • stabilizers;
  • moisture regulators;
  • pH regulators;
  • osmotic pressure modifiers;
  • emulsifiers;
  • UV-A and UV-B screening agents;
  • and antioxidants, such as α-tocopherol, butylhydroxyanisole or butylhydroxytoluene, superoxide dismutase, ubiquinol or certain metal chelating agents.
  • Of course, those skilled in the art will take care to select the optional compound(s) to be added to these compositions in such a way that the advantageous properties intrinsically associated with the present invention are not, or are not substantially, adversely affected by the envisaged addition.
  • The formulation of adapalene into pharmaceutical compositions according to the invention is especially intended for the treatment of dermatological ailments, conditions and afflictions having an inflammatory or proliferative component, selected from the group consisting of:
  • common acne, comedones, polymorphous acne, nodulocystic acne, acne conglobata, secondary acne such as solar, drug-related or occupational acne;
  • widespread and/or severe forms of psoriasis, ichtyoses and ichtyosiform states;
  • Darier's disease;
  • actinic keratoses;
  • palmo plantar keratoderma and keratosis pilaris;
  • leucoplasias and leucoplasiform states, lichen planus;
  • any benign or malignant, severe and extensive dermatological preparations.
  • The compositions according to the invention are particularly suitable for the treatment of acne, such as common acne, and in particular for the treatment of common acne of moderate to moderately severe intensity.
  • Various formulations of compositions comprising 0.3% of adapalene will now be given, it being understood that same are intended only as illustrative and in nowise limitative. Also given are results showing the therapeutic effects of the compositions according to the invention and the good tolerance to same by the treated patients.
  • In said examples to follow, all parts and percentages are given by weight, unless otherwise indicated.
    • Example 1 Formulation for Topical Administration
  • In this example, various specific topical formulations comprising 0.3% of adapalene are illustrated.
  • The adapalene of the present example is provided by Sylachim, Division Finorga (product reference CF9611996).
  • (a) Cream:
  •
    Adapalene 3 mg
    Carbomer 934 (BF Goodrich Carbopol 974) 4.5 mg
    Disodium edetate
    1 mg
    PEG methyl glucose sesquistearate 35 mg
    Methyl glucose sesquistearate 35 mg
    Glycerol
    30 mg
    Methyl paraben
    2 mg
    Cyclomethicone 130 mg
    Perhydrosqualene
    60 mg
    Phenoxyethanol 5 mg
    Propyl paraben
    1 mg
    Sodium hydroxide quantity required for pH 6.5 +/− 0.3
    Purified water q.s. 1 g
  • (b) Lotion:
  •
    Adapalene 3 mg
    PEG 400 700 mg
    Ethanol q.s. 1 g
  • (c) Aqueous Gel:
  •
    Adapalene 3 mg
    Carbomer 940 (BF Goodrich Carbopol 980) 11 mg
    Disodium edetate 1 mg
    Methyl paraben
    2 mg
    Poloxamer 124 2 mg
    Propylene glycol
    40 mg
    Sodium hydroxide: amount required
    to obtain a pH 5.0 +/− 0.3
    Purified water q.s. 1 g
    • Example 2 Effectiveness of 0.3% Adapalene Gel and Comparison with the 0.1% Adapalene Gel
  • Tests were carried out on a population consisting of patients suffering from acne. In this population, three groups were differentiated; the first received a daily topical application of the 0.3% adapalene gel, the second a daily topical application of the 0.1% adapalene gel in the same vehicle, and the third is a control group which receives a daily topical application of the gel corresponding to the composition of the first two gels but containing no active agent.
  • FIGS. 1 to 3 provide the results obtained in terms of regression of the number of lesions according to their nature.
  • These observations lead to the following conclusions:
  • the 0.3% adapalene gel acts more rapidly than the 0.1% adapalene gel; specifically, from the fourth week of treatment, a difference is noted between the effectiveness of the 0.1% adapalene gel and the 0.3% adapalene gel;
  • the 0.3% adapalene gel produces a clearly greater therapeutic effect after 8 weeks of treatment.
    • Example 3 Tolerance Regarding the 0.3% Adapalene Gel
  • 1. Measurement of the plasma concentration of adapalene:
  • Eight individuals suffering from common acne of medium to moderately severe intensity are treated for 10 days with 2 g of 0.3% adapalene gel applied daily over 1000 cm2 of skin to be treated (face, chest and back).
  • Blood samples are taken on the days 1, 2, 4, 6, 8 and 10. During day 10, and following the final application, samples are taken at 1, 2, 6, 8, 10, 12, 16 and 24 hours.
  • The plasma concentration of total adapalene (free and conjugated) in these samples is determined using the following protocol:
  • enzymatic hydrolysis with a mixture of β-glucurodinase and arylsulfatase;
  • liquid-liquid extraction;
  • passage through HPLC (high performance liquid chromatography); and then fluorometric detection.
  • This method makes it possible to detect a minimum concentration of 0.15 ng/ml and permits quantification of the adapalene for a minimum concentration of 0.25 ng/ml.
  • Conclusion:
  • The plasma concentrations of adapalene measured after 10 days of treatment are very low and confirm the safety of daily use of the 0.3% adapalene gel.
  • 2 a) Clinical Observation of the Side Effects Caused by Topical Administration of the 0.3% Adapalene Gel:
  • Two types of observation could be made:
  • firstly, monitoring of the patients treated within the framework of point 1 of the present Example 3 made it possible to note that tolerance to the 0.3% adapalene gel was good for all patients. They all showed signs of dryness of the skin and of desquamation with a maximum on the seventh day of treatment, these symptoms then decrease up to the end of the treatment.
  • 2 b) Furthermore, Reference May Also be Made to the Tests Described in Example 2 Above:
  • In parallel to the measurements of effectiveness, the experimenters recorded the possible side effects caused, firstly, by topical application of the 0.3% adapalene gel and those caused, secondly, by application of the 0.1% adapalene gel; finally, the same observations were made on a control population to which a gel without active principle was administered.
  • These observations are reported in the table below.
  • Local undesirable 0.3% adapalene 0.1% adapalene Vehicle gel
    effects gel (N = 70) gel (N = 70) (N = 74)
    Skin and secondary 31 (44.3%) 28 (40.0%) 5 (6.8%)
    structures (nails, hair)
    Dry skin 16 (22.9%) 13 (18.6%) 2 (2.7%)
    Erythema  8 (11.4%) 3 (4.3%) 0 (0.0%)
    Skin discomfort  8 (11.4%)  7 (10.0%) 0 (0.0%)
    Desquamation 6 (8.6%) 5 (7.1%) 0 (0.0%)
    Dermatitis 3 (4.3%) 1 (1.4%) 0 (0.0%)
    Pruritus 3 (4.3%) 1 (1.4%) 1 (1.4%)
    Irritant dermatitis 2 (2.9%)  7 (10.0%) 0 (0.0%)
    Local allergic reactions 1 (1.4%) 0 (0.0%) 0 (0.0%)
    Pediculosis 1 (1.4%) 0 (0.0%) 0 (0.0%)
    Contact dermatitis 1 (1.4%) 0 (0.0%) 0 (0.0%)
    Insolation 1 (1.4%) 3 (4.3%) 1 (1.4%)
    Burning sensation 1 (1.4%) 0 (0.0%) 0 (0.0%)
    Urticaria 1 1.4%) 0 (0.0%) 0 (0.0%)
    Infection 1 (1.4%) 0 (0.0%) 0 (0.0%)
    Excoriation 0 (0.0%) 0 (0.0%) 1 (1.4%)
    Eczema 0 (0.0%) 0 (0.0%) 1 (1.4%)
    Oedema 0 (0.0%) 1 (1.4%) 0 (0.0%)
  • From this table, it is noted that the occurrence of undesirable side effects is statistically the same for the two gels with the different concentrations of active agent. The intensity of the undesirable side effects is average, which leads to the conclusion that the two gels are well-tolerated by the patients.
  • On the basis of these observations, it may be concluded that patients suffering from common acne can be treated with 0.3% adapalene gel, such an exposure to adapalene being described as weak or very weak under clinical conditions.
  • It therefore ensues from these various studies that a pharmaceutical composition containing 0.3% of adapalene exhibits a benefit/risk ratio which makes it particularly suitable for the treatment of dermatological maladies having an inflammatory or proliferative component, and in particular, common acne.
  • Each patent, patent application, publication and literature article/report cited or indicated herein is hereby expressly incorporated by reference.
  • While the invention has been described in terms of various specific and preferred embodiments, the skilled artisan will appreciate that various modifications, substitutions, omissions, and changes may be made without departing from the spirit thereof. Accordingly, it is intended that the scope of the present invention be limited solely by the scope of the following claims, including equivalents thereof.

Claims (16)

1. A topically applicable pharmaceutical composition comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthanoic acid (adapalene) or pharmaceutically acceptable salt thereof relative to the total weight of the composition, effective for the treatment of acne, formulated into a topically applicable, pharmaceutically acceptable medium therefor, with the proviso that when the composition is formulated as a topically applicable gel, it is an aqueous gel comprising at least one carbomer gelling agent.
2. The topically applicable pharmaceutical composition as defined by claim 1, comprising a topically applicable aqueous gel, or a cream or a lotion.
3. The topically applicable pharmaceutical composition as defined by claim 1, comprising an ointment, cream, milk, pomade, powder, impregnated pad, solution, aqueous gel, spray, lotion, patch, hydrogel, or suspension of microspheres or nanospheres of lipid or polymeric vesicles.
4. The topically applicable pharmaceutical composition as defined by claim 1, comprising an aqueous gel of:
Adapalene,
Carbomer 940,
Disodium edetate,
Methyl paraben,
Poloxamer 124,
Propylene glycol,
Sodium hydroxide, and
Purified water.
5. A topically applicable pharmaceutical composition comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthanoic acid (adapalene) or pharmaceutically acceptable salt thereof relative to the total weight of the composition, effective for the treatment of acne, formulated into a topically applicable, pharmaceutically acceptable medium therefor, said composition being in the form of a topically applicable, pharmaceutically acceptable aqueous gel comprising at least one carbomer gelling agent.
6. The topically applicable pharmaceutical composition as defined by claim 5, said composition comprising one or more ingredients selected from the group consisting of carbomer 940 and propylene glycol.
7. A topically applicable pharmaceutical composition comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2 naphthanoic acid (adapalene) or pharmaceutically acceptable salt thereof relative to the total weight of the composition, effective for the treatment of acne, formulated into a topically applicable, pharmaceutically acceptable medium therefor, said composition being in the form of a topically applicable, pharmaceutically acceptable cream.
8. The topically applicable pharmaceutical composition as defined by claim 7, said composition comprising one or more ingredients selected from the group consisting of perhydrosqualene, cyclomethicone, PEG-20 methyl glucose sequistearate and methyl glucose sequistearate.
9. A topically applicable pharmaceutical composition comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthanoic acid or pharmaceutically acceptable salt thereof relative to the total weight of the composition, effective for the treatment of acne, formulated into a topically applicable, pharmaceutically acceptable medium therefor, said composition being in the form of a topically applicable, pharmaceutically acceptable polyethylene glycol-based alcoholic lotion.
10. The topically applicable pharmaceutical composition as defined by claim 5, further comprising inert additives or combinations of inert additives, said additives being selected from the group consisting of:
wetting agents;
flavor enhancers;
preserving agents;
stabilizers;
moisture regulators;
pH regulators;
osmotic pressure modifiers;
emulsifiers;
UV-A and UV-B screening agents; and
antioxidants.
11. The topically applicable pharmaceutical composition as defined by claim 7, further comprising inert additives or combinations of inert additives, said additives being selected from the group consisting of:
wetting agents;
flavor enhancers;
preserving agents;
stabilizers;
moisture regulators;
pH regulators;
osmotic pressure modifiers;
emulsifiers;
UV-A and UV-B screening agents; and
antioxidants.
12. The topically applicable pharmaceutical composition as defined by claim 9, further comprising inert additives or combinations of inert additives, said additives being selected from the group consisting of:
wetting agents;
flavor enhancers;
preserving agents;
stabilizers;
moisture regulators;
pH regulators;
osmotic pressure modifiers;
emulsifiers;
UV-A and UV-B screening agents; and
antioxidants.
13. A topically applicable, safe dermatological/pharmaceutical composition useful for the treatment of acne, comprising a therapeutically effective amount of a formulation of at least one active principle including 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthanoic acid (adapalene), formulated into a topically applicable, pharmaceutically acceptable vehicle therefor, with the proviso that when the composition is formulated as a topically applicable gel, it is an aqueous gel comprising at least one carbomer gelling agent.
14. The topically applicable, safe dermatological/pharmaceutical composition as defined by claim 13, comprising a topically applicable aqueous gel or a cream or a lotion.
15. The topically applicable, safe dermatological/pharmaceutical composition as defined by claim 13, comprising an ointment, cream, milk, pomade, powder, impregnated pad, solution, aqueous gel, spray, lotion, patch, hydrogel, or suspension of microspheres or nanospheres of lipid or polymeric vesicles.
16. The topically applicable, safe dermatological/pharmaceutical composition as defined by claim 13, further comprising inert additives or combinations of inert additives, said additives being selected from the group consisting of:
wetting agents;
flavor enhancers;
preserving agents;
stabilizers,
moisture regulators;
pH regulators;
osmotic pressure modifiers;
emulsifiers;
UV-A and UV-B screening agents, and
antioxidants.
US12/902,931 2002-03-12 2010-10-12 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders Abandoned US20110027367A1 (en)

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US12/902,931 US20110027367A1 (en) 2002-03-12 2010-10-12 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US13/475,827 US8653140B2 (en) 2002-03-12 2012-05-18 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders

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FR0203070A FR2837101B1 (en) 2002-03-12 2002-03-12 USE OF 6- [1-ADAMANTYL) -4-METHOXYPHENYL] -2- NAPHTHOIC ACID FOR THE TREATMENT OF DERMATOLOGICAL DISORDERS
FR02/03070 2002-03-12
US37022302P 2002-04-08 2002-04-08
PCT/EP2003/003246 WO2003075908A1 (en) 2002-03-12 2003-03-12 Use of adapalene for the treatment of dermatological disorders
US10/937,612 US7579377B2 (en) 2002-03-12 2004-09-10 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US12/103,182 US7838558B2 (en) 2002-03-12 2008-04-15 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US12/902,931 US20110027367A1 (en) 2002-03-12 2010-10-12 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders

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US10/937,612 Active 2025-02-23 US7579377B2 (en) 2002-03-12 2004-09-10 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US11/494,693 Expired - Fee Related US7737181B2 (en) 2002-03-12 2006-07-28 Pharmaceutical compositions comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US12/103,182 Expired - Fee Related US7838558B2 (en) 2002-03-12 2008-04-15 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US12/437,008 Expired - Fee Related US7834060B2 (en) 2002-03-12 2009-05-07 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphtoic acid for the treatment of dermatological disorders
US12/772,861 Expired - Fee Related US7868044B2 (en) 2002-03-12 2010-05-03 Method for the treatment of acne using compositions comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid
US12/902,972 Active 2025-05-02 US8703820B2 (en) 2002-03-12 2010-10-12 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US12/902,931 Abandoned US20110027367A1 (en) 2002-03-12 2010-10-12 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US12/957,882 Active 2026-02-08 US8921423B2 (en) 2002-03-12 2010-12-01 Method for the treatment of acne using compositions comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid
US13/024,681 Active 2024-09-22 US8729127B2 (en) 2002-03-12 2011-02-10 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US13/475,827 Expired - Lifetime US8653140B2 (en) 2002-03-12 2012-05-18 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US14/222,185 Expired - Lifetime US9381179B2 (en) 2002-03-12 2014-03-21 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US14/263,758 Expired - Lifetime US9387187B2 (en) 2002-03-12 2014-04-28 Administration of 6[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US14/524,602 Expired - Lifetime US9622994B2 (en) 2002-03-12 2014-10-27 Method for the treatment of acne using pharmaceutical compositions comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid
US15/175,188 Expired - Lifetime US9872842B2 (en) 2002-03-12 2016-06-07 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US15/184,262 Expired - Lifetime US9901556B2 (en) 2002-03-12 2016-06-16 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US15/456,933 Abandoned US20170181991A1 (en) 2002-03-12 2017-03-13 Method for the treatment of acne using pharmaceutical compositions comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid
US15/846,663 Abandoned US20180104203A1 (en) 2002-03-12 2017-12-19 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders

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US11/494,693 Expired - Fee Related US7737181B2 (en) 2002-03-12 2006-07-28 Pharmaceutical compositions comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US12/103,182 Expired - Fee Related US7838558B2 (en) 2002-03-12 2008-04-15 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US12/437,008 Expired - Fee Related US7834060B2 (en) 2002-03-12 2009-05-07 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphtoic acid for the treatment of dermatological disorders
US12/772,861 Expired - Fee Related US7868044B2 (en) 2002-03-12 2010-05-03 Method for the treatment of acne using compositions comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid
US12/902,972 Active 2025-05-02 US8703820B2 (en) 2002-03-12 2010-10-12 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders

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US13/024,681 Active 2024-09-22 US8729127B2 (en) 2002-03-12 2011-02-10 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US13/475,827 Expired - Lifetime US8653140B2 (en) 2002-03-12 2012-05-18 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US14/222,185 Expired - Lifetime US9381179B2 (en) 2002-03-12 2014-03-21 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US14/263,758 Expired - Lifetime US9387187B2 (en) 2002-03-12 2014-04-28 Administration of 6[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US14/524,602 Expired - Lifetime US9622994B2 (en) 2002-03-12 2014-10-27 Method for the treatment of acne using pharmaceutical compositions comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid
US15/175,188 Expired - Lifetime US9872842B2 (en) 2002-03-12 2016-06-07 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US15/184,262 Expired - Lifetime US9901556B2 (en) 2002-03-12 2016-06-16 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders
US15/456,933 Abandoned US20170181991A1 (en) 2002-03-12 2017-03-13 Method for the treatment of acne using pharmaceutical compositions comprising 0.3% by weight of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid
US15/846,663 Abandoned US20180104203A1 (en) 2002-03-12 2017-12-19 Administration of 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoic acid for the treatment of dermatological disorders

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