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A Randomized, Double-Blind, Parallel-Group, Vehicle-Controlled Therapeutic Equivalence Study of Three Imiquimod Cream 5% Treatments for Patients With Actinic Keratosis

A Multicenter, Double-Blind, Vehical-Controlled Study Comparing Imiquimod Cream, 5% (Apotex Inc.) to Aldara™ Cream, 5%(3M Pharmaceutials, U.S.) and Aldara™ Cream, 5%(3M Pharmaceuticals, Canada) in the Treatments of Actinic Keratosis.

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00859105
Enrollment
497
Registered
2009-03-10
Start date
2008-02-29
Completion date
Unknown
Last updated
2009-03-10

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

Conditions

Actinic Keratosis

Brief summary

Treatment, Randomized, Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Placebo Control, Parallel Assignment, Bio-equivalence Study

Interventions

DRUGImiquimod 5%: manufactured by Apotex

Treatment applied as a thin layer to target area once a day, 2 days each week, 16 weeks

DRUGAdara 5% Cream US

Treatment applied as a thin layer to target area once a day, 2 days each week, for 16 weeks

DRUGAdara 5% Cream Canada

Treatment applied as a thin layer to target area once a day, 2 days each week, for 16 weeks.

DRUGImiquimod Vehicle

Treatment applied as a thin layer to target area once a day, 2 days each week, for 16 weeks

Sponsors

Apotex Inc.
Lead SponsorINDUSTRY

Study design

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

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

* Patients must have 4 to 8 clinically diagnosed, non-hyperkeratotic, non-hypertrophic AK lesions within a 25 cm2 contiguous treatment area on either the face or balding scalp * Women either must be 1 year post-menopausal, surgically sterile, or agree to use a medically accepted form or birth control * Free of any systemic or dermatological disorder * Any skin type or race, providing the skin pigmentation will allow discernment of erythema

Exclusion criteria

* Basal cell or squamous cell carcinoma, or other possible confounding skin conditions (on face and scalp) * History of cutaneous hyperreactivity or facial irritation to topical products * Engaging in activities involving excessive or prolonged exposure to sunlight * Receiving systemic cancer chemotherapy, psoralen plus UVA therapy, UVB therapy, laser abrasion, dermabrasion, glycolic acids, or chemical peels 6 months prior to study entry * Currently using or have used systemic steroids 2 months prior to study * Currently using or have used on the treatment area over-the-counter retinol products, corticosteroids, cryosurgery, curettage, 5-fluorouracil, or other topical actinic keratosis treatments 28 days prior to randomization * Pregnant or nursing mothers * History of allergy or sensitivity to imiquimod or related compounds or other components of the formulation * Taking immunosuppressant medication

Design outcomes

Primary

MeasureTime frame
The primary objectives are to establish the therapeutic equivalence of imiquimod cream 5%, manufactured by Apotex Inc. and two Aldara (imiquimod) creams, manufactured by 3M (US & Canada) , and to show superiority over vehicle in the treatment of AK.24 weeks

Secondary

MeasureTime frame
The secondary objective is to compare the safety profiles of the three creams.24 weeks

Outcome results

None listed

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