A Randomized, Double-Blind, Parallel-Group, Vehicle-Controlled, Multicenter Study Comparing Diclofenac Sodium Gel, 3% to Solaraze® Gel, 3% in the Treatment of Actinic Keratosis on the Face or Bald Scalp
- Registration Number
- NCT02611804
- Lead Sponsor
- Teva Pharmaceuticals USA
- Brief Summary
To compare the efficacy and safety profiles of Teva's Diclofenac Sodium Gel, 5% (test product) to Solaraze® (diclofenac sodium) Gel, 3% (reference product) to demonstrate the clinical equivalence and to show that the efficacy of the 2 active formulations is superior to that of vehicle in treating subjects with actinic keratosis (AK) on the face or bald scalp.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 492
- Willing and able to provide written informed consent for the study.
- At least 18 years of age
- Immunocompetent male or nonpregnant and nonlactating female. Each female subject of childbearing potential (excluding women who are surgically sterilized or postmenopausal for at least 2 years), in addition to having a negative urine pregnancy test at Visit 1/Day 1, must be willing to use an acceptable form of birth control during the study. For the purpose of this study, the following are considered acceptable methods of birth control: oral contraceptives, contraceptive patches, contraceptive implant, vaginal contraceptive, double-barrier methods (e.g., condom and spermicide), contraceptive injection (Depo-Provera®), intrauterine device IUD (Mirena®), Essure®, and abstinence with a documented second acceptable method of birth control if the subject becomes sexually active.
- Clinical diagnosis of AK, defined as ≥ 5 and ≤ 10 clinically typical, visible, discrete, nonhyperkeratotic, nonhypertrophic AK lesions, each at least 4 mm in diameter, contained within a 25-cm2 treatment area on either the face or bald scalp, but not both face and scalp.
- In general good health and free from any clinically significant disease, other than AK, that might interfere with the study evaluations.
- Willing and able to understand and comply with the requirements of the study, apply the study medication as instructed, attend the required visits, comply with therapy prohibitions, and be able to complete the study.
- Presence of active gastrointestinal ulceration or bleeding.
- Presence of severe renal or hepatic impairment.
- Presence of atopic dermatitis, basal cell carcinoma, eczema, psoriasis, rosacea, squamous cell carcinoma, sunburn, or other possible confounding skin conditions on the treatment area of either the face or bald scalp.
- Clinically significant systemic disease (immunological deficiencies), unstable medical disorder, life-threatening disease, or current malignancies.
- Use within 6 months (180 days) prior to randomization of oral isotretinoin.
- Use within 6 months (180 days) prior to randomization on the face or bald scalp where the designated treatment area is located of 1) chemical peel, 2) dermabrasion, 3) laser abrasion, 4) PUVA (psoralen plus ultraviolet A) therapy, or 5) UVB therapy.
- Use within 6 months (180 days) prior to randomization of systemic cancer chemotherapy medications.
- Use within 1 month (30 days) prior to randomization on the face of bald scalp where the designated treatment are is located of 1) cryodestruction or chemodestruction, 2) curettage, 3) photodynamic therapy, 4) surgical excision, 5) topical 5-fluorouracil, 6) topical corticosteroids, 7) topical diclofenac, 8) topical imiquimod, 9) topical retinoids, 10) other treatments for actinic keratosis.
- Use within 1 month (30 days) prior to randomization of 1) immunomodulators or immunosuppressive therapies, 2) interferon, 3) systemic (oral and injectable) corticosteroids, 4) cytotoxic drugs. Intranasal or inhaled corticosteroids are acceptable if kept constant throughout the study. Intra-articular injection of steroids is acceptable for this study.
- Known hypersensitivity or allergies to diclofenac, benzyl alcohol, polyethylene glycol monomethyl ether 359, hyaluronate sodium or any component of the study medication (in any dosage form).
- Previous or current history of allergies to aspirin (ASA) or other NSAIDS.
- Females who are pregnant, breastfeeding, intending to become pregnant during the study, or who do not agree to use an acceptable form of birth control during the study.
- Any clinically significant condition or situation other than the condition being studied that, in the opinion of the investigator, would interfere with the study evaluation or optimal participation in the study.
- Use of any investigational drug or investigational device within 1 month (30 days) prior to the randomization.
- Previous participation in this study.
- Current involvement in activities that require excessive or prolonged sun exposure.
- Consumption of excessive alcohol, abuse of drugs, or a condition that could compromise the subject's ability to comply with study requirements.
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- PARALLEL
- Arm && Interventions
Group Intervention Description Vehicle of Test Product Placebo Vehicle of Test Product, Gel, applied twice daily for 60 days Diclofenac Sodium Gel, 3% Diclofenac sodium Diclofenac Sodium Gel, 3%, applied twice daily for 60 days Solaraze® Diclofenac sodium Solaraze® (diclofenac sodium) Gel, 3%, applied twice daily for 60 days
- Primary Outcome Measures
Name Time Method Proportion of Patients with Treatment Success at Visit 4 Day 90
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (29)
Tampa Bay Medical Research
🇺🇸Clearwater, Florida, United States
Greenville Dermatology
🇺🇸Greenville, South Carolina, United States
Clinical Science Institute
🇺🇸Santa Monica, California, United States
The Center for Skin Research
🇺🇸Houston, Texas, United States
Renstar Medical Research
🇺🇸Ocala, Florida, United States
ACRC Trials
🇺🇸Plano, Texas, United States
Premier Clinical Research
🇺🇸Spokane, Washington, United States
Center for Dermatology Clinical Research, Inc.
🇺🇸Fremont, California, United States
PMG Research of Winston-Salem
🇺🇸Winston-Salem, North Carolina, United States
Medical Center for Clinical Research
🇺🇸San Diego, California, United States
Tennessee Clinical Research Center
🇺🇸Nashville, Tennessee, United States
TCR Medical Corporation
🇺🇸San Diego, California, United States
Horizons Clinical Research Center
🇺🇸Denver, Colorado, United States
Lynn Health Science Institute
🇺🇸Oklahoma City, Oklahoma, United States
Dermatology Clinical Research Center of San Antonio
🇺🇸San Antonio, Texas, United States
Stephen Miller, M.D.
🇺🇸San Antonio, Texas, United States
Agave Clinical Research
🇺🇸Mesa, Arizona, United States
Radiant Research, Inc.
🇺🇸Tucson, Arizona, United States
Dermatology Consulting Services
🇺🇸High Point, North Carolina, United States
Olympian Clinical Research
🇺🇸Clearwater, Florida, United States
DS Research
🇺🇸Louisville, Kentucky, United States
DermOne of North Carolina
🇺🇸Wilmington, North Carolina, United States
Dermatology Associates of Knoxville
🇺🇸Knoxville, Tennessee, United States
The Skin Wellness Center
🇺🇸Knoxville, Tennessee, United States
Dermatology Research Center
🇺🇸Salt Lake City, Utah, United States
The Education and Research Foundation
🇺🇸Lynchburg, Virginia, United States
Omega Medical Research
🇺🇸Warwick, Rhode Island, United States
DermResearch, Inc.
🇺🇸Austin, Texas, United States
Radiant Research
🇺🇸Anderson, South Carolina, United States