- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00578370
Efficacy and Tolerability Study of Topical Ciclosporin in a Psoriasis Plaque Test
A Phase I, Single-Center, Randomized, Vehicle-Controlled Study, Double-Blind for the Study Preparations and Observer-Blind for the Comparators to Determine the Antipsoriatic Efficacy and Tolerability of Topical Formulations With Ciclosporin in a Psoriasis Plaque Test
Ciclosporin is a cyclic nonribosomal polypeptide of 11 amino acids produced by the fungi Tolypocladium inflatum and Cylindrocarpon lucidum. Ciclosporin is a highly efficient immunosuppressant drug widely used in post-allergenic organ transplant to reduce the activity of the subject's immune system and so the risk of organ rejection. Apart from transplant medicine, ciclosporin is also used in the treatment of autoimmune diseases like psoriasis and infrequently in rheumatoid arthritis and related diseases, although it is only used in severe cases.
Ciclosporin blocks the lymphocytes, especially the T-lymphocytes, in the G0- or G1-phase of the cell cycle. Moreover it inhibits the production and release of lymphokines including interleukin 2 or the T-cell growth factor.
Generally ciclosporin is taken orally (capsule or solution)or by injection in doses of 1.5 to 5.5 mg/kg/day. In the topical cutaneous emulsion presented here, ciclosporin is available at a concentration of 0.5 and 1.5%.
The purpose of this study is the demonstration of antipsoriatic efficacy and tolerability of topical cutaneous ciclosporin in subjects with psoriasis vulgaris.
Study Overview
Status
Conditions
Detailed Description
Psoriasis is a common dermatological disorder, consisting of both an inflammatory and a hyperproliferative component. Scaly, erythematous infiltrated skin lesions are indicative of psoriasis vulgaris. The disease is characterized micromorphologically by epidermal hyperplasia with incomplete differentiation, intraepidermal accumulation of polymorphonuclear neutrophils, elongated papillae containing dilated, tortuous capillaries and lymphohistiocytic infiltrate.
Since the underlying cause of the disease remains unknown, causal therapy is not possible. The complex clinical picture necessitates a polypragmatic therapeutic approach. Typical therapies include phototherapy and photochemotherapy, topical treatment with corticosteroids, vitamin D3 analogs, coal-tar preparations and dithranol, and systemic treatment with retinoids, methotrexate and ciclosporin (oral or injection).
In the present study the topical cutaneous ciclosporin formulation for topical treatment of psoriasis will be tested in low-dose for efficacy and tolerability. Two concentrations of the ciclosporin formulation (0.5% and 1.5%), the corresponding vehicle, a marketed corticoid preparation and a marketed topical Vitamin-D-analog will be tested simultaneously in the same patient. Five test fields located at the torso and at the extremities will be examined per subject, and will be treated non-occlusively on 22 study days over a period study of 26 days.
Experimental measurements (sonography) and clinical assessments will be performed at baseline and on some study days.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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Hamburg, Germany, 20095
- Bioskin
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Subjects with chronic plaque type psoriasis
- Sexually active females of childbearing potential should either be surgically sterile (hysterectomy or tubal ligation), or should use a highly effective medically accepted contraceptive regimen
Exclusion Criteria:
- Local treatment with antipsoriatics (except for salicylic acid in vaseline) in the 4 weeks preceding and during the study (corticosteroids 8 weeks)
- Systemic treatment with antipsoriatics or therapy with PUVA, selected ultraviolet photo therapy in the three months preceding and during the study
- Treatment with systemic or locally acting medications which might counter or influence the study aim
- Previous therapy with methotrexate over many years
- Therapy with nephrotoxic medication
- Therapy with digoxin, colchicin and statins
- Medications which might influence the potassium metabolism
- Subjects with known dysfunction of the calcium metabolism
- Subjects with increased uric acid or potassium serum levels
- Erythrodermic psoriasis, psoriasis punctata and pustular psoriasis or extended chronic stationary forms of psoriasis
- Subjects with acute virus infection
- Subjects with acne, anogenital pruritus, rosacea, perioral dermatitis, specific skin problems (skin tuberculosis, luetic skin diseases), vaccination reactions, skin infections caused by bacteria or viruses
- Symptoms of a clinically significant illness that may influence the outcome of the study in the four weeks before and during the study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: 1
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Cutaneous emulsion 200µl once a day (26 days)
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Experimental: 2
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Cutaneous emulsion 200µl once a day (26 days)
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Active Comparator: 3
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Solution 200µl once a day (26 days)
Other Names:
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Active Comparator: 4
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Solution 200µl once a day (26 days)
Other Names:
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Placebo Comparator: 5
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Cutaneous emulsion (Vehicle to Formulation 01B and Formulation 02B) 200µl once a day (26 days)
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Psoriatic infiltrate measured by sonography
Time Frame: 26 days
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26 days
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Secondary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Skin condition measured by scoring
Time Frame: 26 days
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26 days
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Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Dumas KJ, Scholtz JR. The psoriasis bio-assay for topical corticosteroid activity. Acta Derm Venereol. 1972;52(1):43-8. No abstract available.
- Wendt H, Frosch PJ. Psoriasis-Plaque Test. 31 - 35 in: Clinico-pharmacological models for the assay of topical corticoids. Wendt H, Frosch PJ (eds.) 1982, Karger Verlag, Basel
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Skin Diseases
- Skin Diseases, Papulosquamous
- Psoriasis
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Enzyme Inhibitors
- Anti-Inflammatory Agents
- Antirheumatic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Glucocorticoids
- Hormones
- Hormones, Hormone Substitutes, and Hormone Antagonists
- Dermatologic Agents
- Anti-Asthmatic Agents
- Respiratory System Agents
- Antifungal Agents
- Calcineurin Inhibitors
- Betamethasone
- Calcipotriene
- Cyclosporine
- Cyclosporins
Other Study ID Numbers
- ISD001-CI-07
- 2007-002947-26
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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