A controlled multi‐center trial against retinoic acidSafety and efficacy of Tre‐tin‐X compared with Retin‐A in patients with mild‐to‐severe acne vulgarisTopical delivery system for tretinoin: research and clinical implicationsComparative tolerance of adapalene 0.1% gel and six different tretinoin formulationsReduced skin irritation with tretinoin containing po‐lyolprepolymer‐2, a new topical treti‐noin delivery system: a summary of preclinical and clinical investigationsA double‐blinded, randomized, vehicle‐controlled, multicenter, parallel‐group study to assess the safety and efficacy of tretinoin gel microsphere 0.04% in the treatment of acne vulgaris in adultsTretinoin gel microspheres 0.04% versus 0.1% in adolescents and adults with mild to moderate acne vul‐garis: a 12‐week, multicenter, randomized, double‐blind, parallel‐group, phase IV trialComparative efficacy and safety of two 0.025% tretinoin gels: results from a multicenter double‐blind, parallel studyDouble‐blind, vehicle‐controlled, mul‐ticenter comparison of two 0.025% tretinoin creams in patients with acne vulgarisTreatment of acne vulgaris with topically applied erythromycin and tretinoinEfficacy and tolerability of combined topical treatment of acne vulgaris with treti‐noin and erythromycin in general practiceEfficacy and tolerability of a topical erythromy‐cin/tretinoin combination preparation in acne treatment: post‐marketing surveillance study involving over 6500 patientsA randomized, double‐blind, multicenter, parallel group study to compare relative efficacies of the topical gels 3% erythromycin/5% benzoyl peroxide and 0.025% tretinoin/erythromycin 4% in the treatment of moderate acne vulgaris of the faceRetinoic acid cream (Airol cream) and benzoyl‐peroxide in the treatment of acne vulgarisThe stability of treti‐noin in tretinoin gel microsphere 0.1%Compared efficacy and safety of tretinoin 0.1% microsphere gel alone and in combination with benzoyl peroxide 6% cleanser for the treatment of acne vulgarisA multicentre, single‐blind, randomized comparison of a fixed clindamycin phosphate/tretinoin gel formulation (Velac) applied once daily and a clindamycin lotion formulation (Dalacin T) applied twice daily in the topical treatment of acne vulga‐risEfficacy of the fixed 1.2% clindamycin phosphate, 0.025% treti‐noin gel formulation (Velac) and a proprietary 0.025% tretinoin gel formulation (Aberela) in the topical control of facial acneTwo randomized, double‐blind, controlled trials of 2219 subjects to compare the combination clindamycin/tretinoin hydrogel with each agent alone and vehicle for the treatment of acne vulgarisClinical safety and efficacy studies of a novel formulation combining 1.2% clindamycin phosphate and 0.025% tretinoin for the treatment of acne vulgarisComparison of clin‐damycin/benzoyl peroxide, tretinoin plus clindamycin, and the combination of clindamycin/benzoyl peroxide and tretinoin plus clindamycin in the treatment of acne vulgaris: a randomized, blinded studyEfficacy of topical isotretinoin 0.05% gel in acne vul‐garis: results of a multicenter, double‐blind investigationTopical isotretinoin vs. topical retinoic acid in the treatment of acne vulgarisTopical adapalene gel 0.1% vs. isotretinoin gel 0.05% in the treatment of acne vulgaris: a randomized open‐label clinical trialA double‐blind evaluation of topical iso‐tretinoin 0.05%, benzoyl peroxide gel 5% and placebo in patients with acneA placebo‐controlled clinical trial to compare a gel containing a combination of isotreti‐noin (0.05%) and erythromycin (2%) with gels containing isotretinoin (0.05%) or erythromycin (2%) alone in the topical treatment of acne vulgarisClinical evaluation of Double Strength Isotrexin versus Benz‐amycin in the topical treatment of mild to moderate acne vulgarisA comparison of the efficacy and tolerability of adapalene 0.1% gel versus tretinoin 0.025% gel in patients with acne vulgaris: a meta‐analysis of five randomized trialsComparison of adapalene 0.1% solution and tretinoin 0.025% gel in the topical treatment of acne vulgarisRandomized controlled trial of the tolerability, safety, and efficacy of adapalene gel 0.1% and tretinoin microsphere gel 0.1% for the treatment of acne vulgarisSplit‐face clinical and bio‐instrumental comparison of 0.1% adapalene and 0.05% tretinoin in facial acneRandomised, controlled trial of the efficacy and safety of adapalene gel 0.1% and tretinoin cream 0.05% in patients with acne vulgarisEfficacy and tolerance of adapalene cream 0.1% compared with its cream vehicle for the treatment of acne vulgarisAdapalene gel 0.3% for the treatment of acne vulgaris: a multicenter, randomized, double‐blind, controlled, phase III trialThe efficacy and safety of adapalene gel 0.3% in the treatment of acne vulgaris: A randomized, multicenter, investigator‐blinded, controlled comparison study versus adapalene gel 0.1% and vehicleEfficacy and tolerability of combined topical treatment of acne vulgaris with adapalene and clindamycin: a multicenter, randomized, investigator‐blinded studyA successful maintenance approach in inflammatory acne with adapalene gel 0.1% after an initial treatment in combination with clindamycin topical solution 1% or after monotherapy with clindamycin topical solution 1%Adapalene‐benzoyl peroxide, a fixed‐dose combination for the treatment of acne vulgaris: Results of a multicenter, randomized double‐blind, controlled studyStudy results of benzoyl peroxide 5%/clindamycin 1% topical gel, adapalene 0.1% gel, and use in combination for acne vulgarisIs combined oral and topical therapy better than oral therapy alone in patients with moderate to moderately severe acne vulgaris?