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Randomized Study of PH-10 for Psoriasis

Phase 2
Completed
Conditions
Psoriasis
Interventions
Drug: PH-10 (0.002% Rose Bengal)
Drug: Vehicle
Drug: PH-10 (0.01% Rose Bengal)
Drug: PH-10 (0.005% Rose Bengal)
Registration Number
NCT01247818
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 multicenter phase 2 study of subjects randomized sequentially by center to one of four treatment cohorts will assess efficacy and safety of topical PH-10 applied once daily to areas of mild to moderate plaque psoriasis.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
All
Target Recruitment
99
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
  • Female subjects of childbearing potential who are pregnant, attempting to conceive, not using effective contraception, or who are nursing an infant.
  • Subjects who have received psoralen plus ultraviolet A (PUVA) therapy or systemic antipsoriatic therapy (immunosuppressants, cytostatics, corticosteroids) within 28 days of study initiation (two weeks for methotrexate).
  • Subjects who have received ultraviolet B (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
PARALLEL
Arm && Interventions
GroupInterventionDescription
PH-10 Treatment (Low Dose Cohort)PH-10 (0.002% Rose Bengal)-
Vehicle ControlVehicle-
PH-10 Treatment (High Dose Cohort)PH-10 (0.01% Rose Bengal)-
PH-10 Treatment (Mid Dose Cohort)PH-10 (0.005% Rose Bengal)-
Primary Outcome Measures
NameTimeMethod
The primary safety endpoint is incidence of adverse experiences, including pain and dermatologic/skin toxicity (incidence, severity, frequency, duration and causality).8 weeks
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
Secondary Outcome Measures
NameTimeMethod
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 (4)

Wake Research Associates

🇺🇸

Raleigh, North Carolina, United States

International Dermatology Research

🇺🇸

Miami, Florida, United States

Dermatology Specialists, Inc.

🇺🇸

Oceanside, California, United States

Mount Sinai School of Medicine

🇺🇸

New York, New York, United States

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