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Therapeutic Equivalence of Diclofenac Sodium Gel 3% vs Solaraze ® in the Treatment of Actinic Keratosis

A Randomized, Double-Blind, Placebo-Controlled, Three-Arm, Parallel-Design, Multiple-Site Study to Evaluate the Therapeutic Equivalence of Diclofenac Sodium Gel 3% (Encube Ethicals) Compared to Solaraze® (Diclofenac Sodium) Gel 3% (Fougera Pharmaceuticals Inc.) in the Treatment of Actinic Keratosis

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03826550
Enrollment
655
Registered
2019-02-01
Start date
2018-01-12
Completion date
2018-07-03
Last updated
2019-02-01

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Actinic Keratoses

Brief summary

Therapeutic Equivalence of Diclofenac Sodium Gel 3% and Solaraze ®, in the treatment of Actinic Keratosis

Detailed description

A Randomized, Double-Blind, Placebo-Controlled, Three-Arm, Parallel-Design, Multiple-Site Study to Evaluate the Therapeutic Equivalence of Diclofenac Sodium Gel 3% (Encube Ethicals) Compared to Solaraze® (diclofenac sodium) Gel 3% (Fougera Pharmaceuticals Inc.) in the Treatment of Actinic Keratosis

Interventions

Twice daily for 60 days. Each patient is expected to receive 120 doses

DRUGSolaraze 3% Topical Gel

Twice daily for 60 days. Each patient is expected to receive 120 doses

OTHERPlacebo

Twice daily for 60 days. Each patient is expected to receive 120 doses

Sponsors

Novum Pharmaceutical Research Services
CollaboratorINDUSTRY
Encube Ethicals Pvt. Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Masking description

All study products are blinded and provided to the patients in the same packaging.

Intervention model description

Randomized, double-blind, placebo-controlled, three-arm, parallel group, multiple-site bioequivalence study with clinical endpoints.

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Signed Institutional Review Board (IRB)-approved informed consent form that meets all criteria of current Food and Drug Administration regulations. 2. Male or non-pregnant, non-lactating female, 18 years of age or older. 3. Diagnosis of AK with at least five and no more than ten clinically typical, visible, discrete, non-hyperkeratotic, non-hypertrophic AK lesions, each at least 4 mm in diameter, contained within a contiguous 25 cm2 treatment area on the face and/or bald scalp. 4. Females of childbearing potential must not be pregnant or lactating at Visit 1 (as confirmed by a negative urine pregnancy test with a sensitivity of less than 50 mIU/ mL or equivalent units of human chorionic gonadotropin). Women of childbearing potential must agree to the use of a reliable method of contraception (e.g., total abstinence, intrauterine device, a double-barrier method, oral, transdermal, injected, or implanted non-hormonal or hormonal contraceptive) throughout the study. Female patients using hormonal contraceptives should have been on the same product/dosing regimen for at least 28 days before Visit 1 and should not change this regimen during the study. A sterile sexual partner is not considered an adequate form of birth control. 5. Skin pigmentation that will allow discernment of erythema.

Exclusion criteria

1. Females who are pregnant, lactating or planning to become pregnant during the study period. 2. Active gastrointestinal ulceration or bleeding. 3. Current evidence or history of severe renal or hepatic impairment. 4. Known allergy or hypersensitivity to diclofenac, benzyl alcohol, polyethylene glycol monomethyl ether 359, hyaluronate sodium or other excipients in the test, reference or vehicle gel. 5. Known allergy or hypersensitivity to other NSAIDs, including aspirin. 6. Presence of atopic dermatitis, basal cell carcinoma, squamous cell carcinoma, eczema, psoriasis, rosacea, sunburn, exfoliative dermatitis, open or recent skin wounds, active infections or other possible skin conditions on the face or bald scalp that in the Investigator's opinion would interfere with the study assessments or put the patient at risk. 7. Use of oral isotretinoin within six months before randomization. 8. Use within six months before Visit 1 on the face or bald scalp of 1) chemical peel, 2) dermabrasion, 3) laser abrasion, 4) PUVA (psoralen plus ultraviolet A) therapy, or 5) UVB therapy. 9. Use within one month before Visit 1 on the face or bald scalp 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, or 10) other treatments for AK including glycolic acids or over the- counter (OTC) products containing retinol, alpha or beta hydroxy acids. The occasional use of ophthalmic, intranasal or inhaled corticosteroids (e.g., management of allergic conjunctivitis) is acceptable and not reason for exclusion. Use of inhaled corticosteroids for the management of chronic and stable conditions (e.g., persistent asthma and chronic obstructive pulmonary disease \[COPD\]) is acceptable as long as it has been on a stable dose for a minimum of three months before the start of the study and up to 1 mg/day. 10. Use within one month before Visit 1 of 1) immunomodulators or immunosuppressive therapies, 2) interferon, 3) systemic corticosteroids or 4) cytotoxic drugs. 11. Receipt of 5-Fluorouracil or other systemic cancer chemotherapy within 6 months before Visit 1. 12. Any condition, medical, psychological, or social, that, in the Investigator's opinion, would interfere with participation in the study or put the patient at risk. 13. Inability to understand the requirements of the study and the relative information or are unable or not willing to comply with the study protocol. 14. Receipt of any drug as part of a research study within 30 days before Visit 1. 15. Employees of the Investigator or research center or their immediate family members. 16. Patients who have participated in this study previously.

Design outcomes

Primary

MeasureTime frame
proportion of patients in each treatment group with 100% clearance of all AK LesionsDay 90 (30 days after completion of a 60 day treatment)
Superiority of the test and reference products against the placeboDay 90 (30 days after completion of a 60 day treatment)

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026