An Efficacy and Safety Study of PH-10 Aqueous Hydrogel for the Treatment of Plaque Psoriasis

Phase 2

Completed

• Conditions: Psoriasis
• Interventions: Drug: PH-10 (0.001% Rose Bengal)

• Registration Number: NCT00941278
• Lead Sponsor: Provectus Pharmaceuticals

Brief Summary

PH-10 is an aqueous hydrogel formulation of rose bengal disodium (RB) for topical administration to the skin, and is being studied for the treatment of cutaneous skin disorders, specifically psoriasis and atopic dermatitis. This phase 2 efficacy and safety study will assess topical PH-10 applied once daily to areas of mild to moderate plaque psoriasis.

Detailed Description

Not available

Study Timeline

• Study Start: 2009-07
• Study First Submitted: 2009-07-15
• Study First Submitted QC: 2009-07-16
• Study First Posted: 2009-07-17
• Primary Completion: 2009-12
• Study Completion: 2010-04
• Status Verified: 2010-07
• Last Update Submitted: 2010-07-02
• Last Update Posted: 2010-07-07

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 30

Inclusion Criteria

• Men or women, age 18 or older.
• Presence of mild to moderate plaque psoriasis on the trunk or extremities (excluding palms, soles, scalp, and facial or intertriginous areas).
• Fitzpatrick skin type I-VI.
• Written informed consent by the subject or legal guardian.

Exclusion Criteria

• Women of childbearing potential who are pregnant, attempting to conceive, not using effective contraception, or who are nursing an infant.
• Subjects who have received PUVA or systemic antipsoriatic therapy (immunosuppressants, cytostatics, corticosteroids) within 28 days of study initiation (two weeks for methotrexate).
• Subjects who have received UVB light therapy within 14 days of study initiation.
• Subjects who have received topical antipsoriatic therapy (including corticosteroids, tar, anthralin or Vitamin D analogs) to the study plaque areas within 14 days of study initiation.
• Subjects who have received agents posing a clinically significant risk of photosensitivity reaction within 5 half-lives of study initiation.
• Subjects who have received any approved or investigational biologic drug therapy for psoriasis within 90 days or 5 half-lives of study initiation.
• Subjects who have participated in a clinical research study within 28 days of study initiation.
• Subjects with a history of porphyria, systemic lupus erythematosus or xeroderma pigmentosum.
• Subjects with clinical conditions that, in the opinion of the Investigator may pose a health risk to the subject by being involved in the study or detrimentally affect regular follow-up of the subject.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: SINGLE_GROUP

Arm && Interventions

Group	Intervention	Description
PH-10 Treatment	PH-10 (0.001% Rose Bengal)	-

Primary Outcome Measures

Name	Time	Method
The primary efficacy endpoint is "Treatment Success," a static endpoint assessed at Day 29 after initial PH-10 treatment and defined as 0 or 1 on all Psoriasis Severity Index (PSI) components and 0 or 1 on the Plaque Response scale.	28 days
The primary safety endpoint is incidence of adverse experiences, including pain and dermatologic/skin toxicity (incidence, severity, frequency, duration and causality).	8 weeks

Secondary Outcome Measures

Name	Time	Method
Psoriasis Severity Index (PSI) score changes at each visit from Day 1 pre-treatment.	8 weeks
Plaque Response score changes at each visit from Day 1 pre-treatment.	8 weeks
Pruritus Self-Assessment score changes at each visit from Day 1 pre-treatment.	8 weeks

Trial Locations

Locations (2)

International Dermatology Research; 🇺🇸 Miami, Florida, United States

Mount Sinai School of Medicine; 🇺🇸 New York, New York, United States