A multicenter, randomized, double-blind, parallel, three-arm, active- and placebo-controlled therapeutic equivalence for the comparison of clindamycin + tretinoin/Verisfield gel (1+0.025)% with Acnatac®/Meda gel [clindamycin + tretinoin (1+0.025)%] in the treatment of acne vulgaris
- Conditions
- Acne VulgarisMedDRA version: 20.0Level: LLTClassification code 10000519Term: Acne vulgarisSystem Organ Class: 10040785 - Skin and subcutaneous tissue disordersTherapeutic area: Diseases [C] - Skin and Connective Tissue Diseases [C17]
- Registration Number
- EUCTR2022-003070-23-GR
- Lead Sponsor
- Verisfield S.M.S.A.
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Authorised-recruitment may be ongoing or finished
- Sex
- All
- Target Recruitment
- Not specified
•Male or non-pregnant non-lactating female aged = 12 and = 40 years at the time of consent/assent.
•Subject has a clinical diagnosis of mild to severe facial acne vulgaris defined as Grade 2, 3, or 4 based on the IGA at Baseline.
•Subject must have = 25 non-inflammatory lesions (i.e., open and closed comedones) AND = 20 inflammatory lesions (i.e., papules and pustules) AND = 2 nodulocystic lesions (i.e., nodules and cysts) on the face at Baseline.
•Subject has used the same type and brand of non-medicated make-up, cleanser or other non-medicated facial products and hair products for at least 14 days prior to Baseline and agrees to continue and not change his/her non-facial general skin care and hair care products and frequency of use for the entire study period.
•Subject must be willing and able to refrain from use of all other topical products applied to face (moisturizer, new brands of make-up, creams, lotions, powders or any topical product other than the assigned treatment to the treatment area and the study-supplied cleanser and sunscreen), all acne medications and antibiotics for acne present on the face during the 12-week treatment period.
•Subject, in the Investigator’s opinion, is in good general health and free of any disease state or physical condition that might impair evaluation of facial acne vulgaris or otherwise impact the integrity of the study, or exposes the subject to an unacceptable risk by study participation.
•If FOCBP1,2, willingness to use an acceptable form of birth control during the study [i.e., must have been using accepted methods of birth control or must agree to continue to practice abstinence, from 30 days prior to study entry to 30 days after the last administration of the IP]. FOCBP must have a negative urine pregnancy test (UPT)3 at Baseline.
•Subject and parent(s)/guardian (if applicable) are willing and able to apply the IP as directed, comprehend and comply with study instructions, and follow the requirements of the study (including availability on scheduled visit dates) for the duration of the study.
•Subject [and their parents(s)/guardian/legally authorized representative(s), as applicable] is (are) able to understand and willing to provide voluntary written informed assent/consent before any study-related procedure is performed.
Are the trial subjects under 18? yes
Number of subjects for this age range: 100
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 500
F.1.3 Elderly (>=65 years) no
F.1.3.1 Number of subjects for this age range
•Subject is pregnant, breastfeeding or is planning a pregnancy or breastfeed throughout the study period and for 30 days after the last administration of the IP.
•Subject has pustular and deep cystic nodular acne varieties (acne conglobata and acne fulminans), or other forms of acne (e.g., acne mechanica).
•Subject has Crohn’s disease, regional enteritis, ulcerative colitis or history of antibiotic-associated colitis.
•Subject has atopic dermatitis or a history of acute eczemas, rosacea and perioral dermatitis, and any skin condition that, in the Investigator’s opinion, could interfere with the diagnosis or assessment of acne vulgaris (e.g., on the face: rosacea, dermatitis, psoriasis, squamous cell carcinoma, eczema, acneiform eruptions caused by medications, steroid acne, steroid folliculitis, or bacterial folliculitis).
•Subject has a personal history of skin cancer.
•Excessive facial hair (e.g. beards, sideburns, moustaches, etc.), facial tattoos, or other facial attributes that could interfere, in the Investigator’s opinion, with diagnosis or assessment of acne vulgaris.
•Subject has any contraindication to clindamycin phosphate and tretinoin or history of hypersensitivity or allergy to tretinoin, retinoids, clindamycin or to any of the study medication excipients or lincomycin (see section 11.1).
•Subject has used for less than 3 months (90 days) prior to Baseline oestrogens or oral contraceptives; subjects treated with such agents 30 or more consecutive dates immediately prior to Baseline need not be excluded unless the subject expects to change dose, drug or discontinue this use during the study. If the subject had used hormonal birth control and had stopped, this should have occurred more than 3 months prior to Baseline.
•Subject has used antipruritics, including antihistamines within 24 hours prior to Baseline.
•Subject has used any of the following topical preparations or procedures on the face:
- within 1 month (30 days) prior to Baseline:
a. cryodestruction or chemodestruction
b. dermabrasion
c. photodynamic therapy including other light-based and laser therapies
d.acne surgery
e. intralesional steroids
f. x-ray therapy.
- within 2 weeks prior to Baseline:
a. topical steroids
b. topical retinoids (e.g., tazarotene, adapalene, and tretinoin)
c. topical acne treatments including, but not limited to, OTC acne cleansers, soaps, washes or treatments, benzoyl peroxide, antibiotics, azelaic acid, dapsone, sulfa based products, corticosteroids, and salicylic acid
d. topical anti-inflammatory agents
e. topical antibiotics
- at any time prior to Baseline:
a. other topical therapy which may materially affect the subject’s acne, in the Investigator’s opinion.
•Subject has used any of the following systemic medication:
- within 6 months prior to Baseline:
a. oral retinoids (e.g., Accutane®)
b. therapeutic vitamin A supplements of greater than 10,000 units/day (multivitamins are allowed).
- within 3 months prior to Baseline:
a. hormonal therapy for acne management
- within 1 month prior to Baseline:
a. androgen receptor blockers (e.g., spironolactone, flutamide)
b. steroids (including intramuscular, intra-articular, and intralesional injections)
c. antibiotics
d. treatment for acne vulgaris (other than oral retinoids, which require a 6-month washout)
e. anti-inflammatory agents
f. immunosuppressive drugs.
- within 2 weeks prior to Baseline:
a. neuromuscular blocking agents such as botulinum toxin type A (e.g.,
Study & Design
- Study Type
- Interventional clinical trial of medicinal product
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method
- Secondary Outcome Measures
Name Time Method