To Study Generic Calcipotriene and Betamethasone Dipropionate Topical Foam, 0.005%/0.064%, in the Treatment of Psoriasis Vulgaris (Plaque Psoriasis).

Overview

A Phase III, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Multiple-Site Study to Evaluate the Therapeutic Equivalence of a Generic Calcipotriene and Betamethasone Dipropionate Topical Foam, 0.005%/0.064% (Glenmark Pharmaceuticals Ltd) to the Marketed Product Enstilar® Foam (LEO Pharma Inc.) in the Treatment of Psoriasis Vulgaris (Plaque Psoriasis)

Full Title of Study: “A Phase III, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group, Multiple-Site Study to Evaluate the Therapeutic Equivalence of a Generic Calcipotriene and Betamethasone Dipropionate Topical Foam, 0.005%/0.064% (Glenmark Pharmaceuticals Ltd) to the Marketed Product Enstilar® Foam (LEO Pharma Inc.) in the Treatment of Psoriasis Vulgaris (Plaque Psoriasis)”

Study Type

  • Study Type: Interventional
  • Study Design
    • Allocation: Randomized
    • Intervention Model: Parallel Assignment
    • Primary Purpose: Treatment
    • Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor)
  • Study Primary Completion Date: March 17, 2020

Interventions

  • Drug: Calcipotriene/ betamethasone dipropionate topical foam, 0.005%/0.064%
    • Once daily for 4 weeks (28 days)
  • Drug: Enstilar® foam (LEO Pharma Inc.)
    • Once daily for 4 weeks (28 days)
  • Other: Placebo of Calcipotriene/ betamethasone dipropionate topical foam
    • Once daily for 4 weeks (28 days)

Arms, Groups and Cohorts

  • Experimental: Calcipotriene/ betamethasone dipropionate topical foam
    • Topical foam once daily for 4 weeks (28 days)
  • Active Comparator: Enstilar®
    • Topical foam once daily for 4 weeks (28 days)
  • Placebo Comparator: Placebo
    • Topical foam once daily for 4 weeks (28 days)

Clinical Trial Outcome Measures

Primary Measures

  • The proportion of subjects in each treatment group with treatment success
    • Time Frame: Day 29
    • Treatment success defined as none or minimal disease , a score of 0 or 1, within the treatment area(s) on the PGA scale of disease severity
  • The proportion of subjects in each treatment group with clinical success
    • Time Frame: Day 29
    • Clinical success defined as clear or almost clear, a score of 0 or 1, at the target lesion site on the PASI scale. Each psoriatic sign of scaling, erythema, and plaque elevation should have a score of 0 or 1

Participating in This Clinical Trial

Inclusion Criteria

1. Male or non-pregnant, non-lactating female subjects aged at least 18 years at Visit 1.

2. A clinical diagnosis of stable (at least 6 months) psoriasis vulgaris involving 5% to 30% body surface area (BSA), not including the face, axilla and groin.

3. A PGA of disease severity of at least moderate disease severity (Grade ≥ 3).

4. A plaque elevation of at least moderate severity (Grade ≥ 3) at the target lesion site. The most severe lesion at baseline should be identified as the target lesion.

5. Provide written informed consent.

Exclusion Criteria

1. Current diagnosis of unstable forms of psoriasis in the treatment area including guttate, erythrodermic, exfoliative, or pustular psoriasis.

2. Other inflammatory skin disease in the treatment area that may confound the evaluation of the psoriasis vulgaris (e.g., atopic dermatitis, contact dermatitis, tinea corporis).

3. Presence of pigmentation, extensive scarring, pigmented lesions, or sunburn in the treatment areas that could interfere with the rating of efficacy parameters.

4. History of psoriasis unresponsive to topical treatments.

5. History of hypersensitivity to any component of the Test or Reference product.

6. Current or past history of hypercalcemia, calcium metabolism disorder, vitamin D toxicity, severe renal insufficiency, or severe hepatic disorders.

7. Current immunosuppression.

8. Use within 6 months prior to baseline of biologic treatment for psoriasis (e.g., infliximab, adalimumab, alefacept).

9. Use within 3 months prior to baseline of: 1) chemotherapy or 2) radiation therapy.

10. Use within 2 months prior to baseline of: 1) immunosuppressive drugs (e.g., tacrolimus, pimecrolimus) or 2) oral retinoids.

11. Use within 1 month prior to baseline of: 1) systemic steroids, 2) systemic antibiotics, 3) other systemic antipsoriatic treatment, 4) psoralen and ultraviolet A (PUVA) therapy, 5) ultraviolet B (UVB) therapy, or 6) systemic anti-inflammatory agents. Note: a) Non-steroidal anti-inflammatory drugs (NSAIDs) and aspirin use on an as-needed basis and if not used consecutively for > 14 days prior to baseline and/or during the study is acceptable. Low-dose (81 mg) aspirin taken daily is acceptable. b) Intranasal or inhaled corticosteroids are acceptable if kept constant throughout the study. Intra-articular steroid injections are permissible.

12. Use within 2 weeks prior to baseline of: 1) topical antipsoriatic drugs (e.g., salicylic acid, anthralin, coal tar, calcipotriene, tazarotene), 2) topical corticosteroids, or 3) topical retinoids.

13. Use within 2 weeks prior to baseline of: 1) vitamin D supplements 2) vitamin D analogs at a dose >400 IU/day; or 3) calcium supplements (including multivitamins containing calcium).

14. Started beta-blocker therapy, antimalarial products, and/or lithium within 3 months of baseline. Subjects who have been on a steady dose for at least 3 months prior to baseline and will remain on the same dose throughout the study are eligible for study participation.

15. Subjects with planned phototherapy and/or exposure to ultraviolet A (UVA) and/or UVB during the study.

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: Accepts Healthy Volunteers

Investigator Details

  • Lead Sponsor
    • Glenmark Pharmaceuticals Ltd. India
  • Provider of Information About this Clinical Study
    • Sponsor
  • Overall Official(s)
    • William Todd Kays, Study Director, Glenmark Pharmaceuticals

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