WO1998056375A1 - Tazarotene and uvb phototherapy treatment for psoriasis - Google Patents
Tazarotene and uvb phototherapy treatment for psoriasis Download PDFInfo
- Publication number
- WO1998056375A1 WO1998056375A1 PCT/US1998/011989 US9811989W WO9856375A1 WO 1998056375 A1 WO1998056375 A1 WO 1998056375A1 US 9811989 W US9811989 W US 9811989W WO 9856375 A1 WO9856375 A1 WO 9856375A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- uvb
- tazarotene
- treatment
- psoriasis
- uvb radiation
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
- A61K31/4427—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems
- A61K31/4436—Non condensed pyridines; Hydrogenated derivatives thereof containing further heterocyclic ring systems containing a heterocyclic ring having sulfur as a ring hetero atom
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P17/00—Drugs for dermatological disorders
- A61P17/06—Antipsoriatics
Definitions
- the present invention relates to a method of treating psoriasis in humans with Tazarotene, preferably a gel comprising 0.1%, Tazarotene by weight, and phototherapy, i.e. UVB phototherapy.
- Tazarotene gel may be topically administered followed by UVB phototherapy at the rate of three treatments per week.
- Psoriasis is a chronic skin disease which is known to be difficult to treat. Psoriasis is characterized by discrete and confluent, reddish, silvery-scaled maculopapules . These psoriatic lesions occur most often on the elbows, knees, trunk and scalp.
- psoriasis Current treatment for psoriasis include the use of agents such as anthralin (dihydroxyanthralin) , azarabine, colchicine, fluorouracil, methorexate, methoxsalen (8- methoxypsoralen) , resorcinol, retinoids (for example, retinoic acid) , corticosteroids (for example, clobetasol propionate, trimcinolone acetonicde and the like) , cyclosporin, iodochlorhydroxyquin, salicyclic acid, vitamin D, dapsone, somoatostatin, sulfur, tars and zinc oxide.
- Ultra-violet light treatment alone or in combination with other agents such as psoralen (i.e., PUVA treatment), is also used to treat psoriasis.
- the present invention provides a method for treating psoriasis in a human subject by topically applying to the psoriasis of said subject an effective amount of tazarotene and an effective amount of UVB radiation.
- tazarotene is applied as a 0.05% or 0.1% by weight, gel.
- tazarotene is administered once daily in the evening.
- the UVB phototherapy is administered by means of a Houva 11 UVB Box, which is available from National Biological Corporation.
- Figure 1 compares the reduction in plaque achieved by the method of the present invention, i.e. the combination of treatment with tazarotene and UVB radiation, and UVB radiation treatment, alone.
- Figure 2 compares the reduction in scaling achieved by the method of the present invention, i.e. the combination of treatment with tazarotene and UVB radiation, and UVB radiation treatment, alone.
- Figure 3 compares the reduction in erythema achieved by the method of the present invention, i.e. the combination of treatment with tazarotene and UVB radiation, and UVB radiation treatment, alone.
- Figure 4 compares the treatment success rate achieved by the method of the present invention and UVB radiation treatment, alone.
- Figure 5 compares the reduction in plaque achieved by the method of the present invention and UVB radiation treatment, alone, and UVB radiation treatment in combination with placebo, i.e. the tazarotene vehicle.
- Figure 6 compares the reduction in scaling achieved by the method of the present invention and UVB radiation treatment, alone, and UVB radiation treatment in combination with placebo, i.e. the tazarotene vehicle.
- Figure 7 compares the reduction in erythema achieved by the method of the present invention and UVB radiation treatment, alone, and UVB radiation treatment in combination with placebo, i.e. the tazarotene vehicle.
- Figure 8 compares treatment success rate achieved by the method of the present invention and UVB radiation treatment, alone, and UVB radiation treatment in combination with placebo, i.e. the tazarotene vehicle.
- tazarotene gel for use in the method of this invention is disclosed in U.S. Patent Application Serial No. 623,184, which is entitled “Stable Gel Formulation for Topical Treatment of Skin Conditions", which was filed on March 28, 1996, in the name of Prakash Charu and is hereby incorporated by reference in its entirety. (Said preferred gel is also described in published PCT Application No. PCT/US95/07338 or WO 95/33489.)
- a method for preparation of a gel formulation of tazarotene for topical treatment of psoriasis comprises the steps of:
- Poloxamer 407 i.e. ⁇ - Hydro- ⁇ -hydroxypoly (oxyethylene) a -poly (oxopropylene) b - poly (oxyethylene) a block polymer, wherein the average value of a is 101 and the average value of b is 56, to form a part II;
- polyethylene glycol Polysorbate 40, i.e. polyoxyethylene 20 sorbitan monopalmitate, hexylene glycol, butylated hydroxytoluene and butylated hydroxyanisole and heating to dissolve same;
- step 5) cooling the mixture of step 4) to room temperature and adding benzyl alcohol and tazarotene thereto to form a part III;
- tazarotene gel formulations are available from Allergan, Inc. of Irvine, CA under the brand name Tazorac®.
- Tazarotene plus UVB as compared to UVB plus vehicle or UVB alone would work faster, have higher success rate, require less UVB exposure and be well tolerated.
- the Study objective was to assess safety and efficacy of pre-treatment with Tazarotene 0.1% gel and UVB phototherapy in comparison with the Tazarotene vehicle (placebo) and UVB phototherapy and UVB phototherapy, alone, for 10 weeks.
- topical agents were applied three times weekly to the target lesion by the phototherapy nurse.
- the study was a multicenter, investigator-masked study including 60 subjects and 120 target lesions.
- the patients were randomly assigned to receive two of the following treatments: Tazarotene 0.1% gel once a day; vehicle gel once a day; or no treatment.
- the topical agents were applied once daily.
- the minimal erythemal dose (MED) was assessed using a range of 20 mJoules/cm 2 up to 100 mJoules/cm 2 .
- Initial starting UVB dose is 25% of MED. If MED is immeasurable, starting dose is 25 mJoules/cm 2 .
- UVB phototherapy During the ten-week UVB phototherapy period the patients were treated with UVB therapy three times a week and topical therapy three times weekly (0.1% Tazarotene gel, vehicle gel, or no treatment) administered by the phototherapy nurse after UVB exposure.
- Study population was as follows: male or non-reproductive female; 18 years or older; stable plaque psoriasis; two bilaterally symmetrical plaques accessible to phototherapy; not exceeding 50% of TBS; baseline plaque elevation of at least four (moderate, in 0-8 scoring system) ; no oral retinoid within two months; no excessive vitamin A intake; no oral psoriatic therapy (other than retinoid) or PUVA within one month; no UVB within two weeks; no significant systemic disease or immunosuppression.
- UVB exposure was increased until either improvement in psoriasis was noted or MED was reached. If one target lesion reached MED earlier than the other, a photo-opaque covering was applied to the former so the latter site could still be treated with a higher dose of UVB irradiation. If both target lesions cleared, UVB was discontinued. If one target lesion cleared and the other shows > 75% improvement, UVB was discontinued.
- Global Response to Treatment Treatment success is defined as moderate response or better.
- the treatment success rate with Tazarotene and UVB phototherapy was 100% by day 81.
- UVB phototherapy, alone, showed only about a 60% success rate.
- treating psoriasis in humans with a combination of Tazarotene and UVB phototherapy is more effective than a combination of the Tazarotene vehicle and UVB phototherapy or UVB phototherapy, alone.
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- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Pharmacology & Pharmacy (AREA)
- Chemical & Material Sciences (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Dermatology (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicinal Preparation (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Cosmetics (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002293303A CA2293303A1 (en) | 1997-06-11 | 1998-06-10 | Tazarotene and uvb phototherapy treatment for psoriasis |
AU79575/98A AU726141B2 (en) | 1997-06-11 | 1998-06-10 | Tazarotene and UVB phototherapy treatment for psoriasis |
JP50313599A JP2002504121A (en) | 1997-06-11 | 1998-06-10 | Treatment of psoriasis with tazarotene and UVB phototherapy |
EP98930109A EP1001770B1 (en) | 1997-06-11 | 1998-06-10 | Tazarotene and uvb phototherapy treatment for psoriasis |
AT98930109T ATE302605T1 (en) | 1997-06-11 | 1998-06-10 | TAZAROTENE AND UVB PHOTOTHERAPY FOR THE TREATMENT OF PSORIASIS |
DE69831336T DE69831336T2 (en) | 1997-06-11 | 1998-06-10 | TAZAROTES AND UVB PHOTOTHERAPY FOR THE TREATMENT OF PSORIASIS |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4938597P | 1997-06-11 | 1997-06-11 | |
US60/049,385 | 1997-06-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998056375A1 true WO1998056375A1 (en) | 1998-12-17 |
Family
ID=21959543
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/011989 WO1998056375A1 (en) | 1997-06-11 | 1998-06-10 | Tazarotene and uvb phototherapy treatment for psoriasis |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1001770B1 (en) |
JP (1) | JP2002504121A (en) |
AT (1) | ATE302605T1 (en) |
AU (1) | AU726141B2 (en) |
CA (1) | CA2293303A1 (en) |
DE (1) | DE69831336T2 (en) |
ES (1) | ES2247699T3 (en) |
WO (1) | WO1998056375A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6258830B1 (en) * | 1994-06-07 | 2001-07-10 | Allergan Sales, Inc. | Stable gel formulation for topical treatment of skin conditions |
US6290713B1 (en) | 1999-08-24 | 2001-09-18 | Thomas A. Russell | Flexible illuminators for phototherapy |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995033489A1 (en) * | 1994-06-07 | 1995-12-14 | Allergan | Stable gel formulation for topical treatment of skin conditions |
-
1998
- 1998-06-10 ES ES98930109T patent/ES2247699T3/en not_active Expired - Lifetime
- 1998-06-10 EP EP98930109A patent/EP1001770B1/en not_active Expired - Lifetime
- 1998-06-10 WO PCT/US1998/011989 patent/WO1998056375A1/en active IP Right Grant
- 1998-06-10 CA CA002293303A patent/CA2293303A1/en not_active Abandoned
- 1998-06-10 AU AU79575/98A patent/AU726141B2/en not_active Ceased
- 1998-06-10 JP JP50313599A patent/JP2002504121A/en not_active Ceased
- 1998-06-10 DE DE69831336T patent/DE69831336T2/en not_active Expired - Fee Related
- 1998-06-10 AT AT98930109T patent/ATE302605T1/en not_active IP Right Cessation
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995033489A1 (en) * | 1994-06-07 | 1995-12-14 | Allergan | Stable gel formulation for topical treatment of skin conditions |
Non-Patent Citations (2)
Title |
---|
CARL W. EHMANN ET AL.: "International studies of the efficacy of etretinate in the treatment of psoriasis", JOURNAL OF THE AMERICAN ACADEMY OF DERMATOLOGY, vol. 6, no. 4 PT 2 suppl., 1982, pages 692 - 696, XP002080625 * |
MARK LEBWOHL: "Future psoriasis therapy", DERMATOLOGIC CLINICS, vol. 13, no. 4, 1995, pages 915 - 923, XP002080624 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6258830B1 (en) * | 1994-06-07 | 2001-07-10 | Allergan Sales, Inc. | Stable gel formulation for topical treatment of skin conditions |
US6290713B1 (en) | 1999-08-24 | 2001-09-18 | Thomas A. Russell | Flexible illuminators for phototherapy |
Also Published As
Publication number | Publication date |
---|---|
ATE302605T1 (en) | 2005-09-15 |
CA2293303A1 (en) | 1998-12-17 |
DE69831336D1 (en) | 2005-09-29 |
ES2247699T3 (en) | 2006-03-01 |
EP1001770B1 (en) | 2005-08-24 |
EP1001770A1 (en) | 2000-05-24 |
DE69831336T2 (en) | 2006-06-22 |
JP2002504121A (en) | 2002-02-05 |
AU7957598A (en) | 1998-12-30 |
AU726141B2 (en) | 2000-11-02 |
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