Dataset Information

Long-term safety and efficacy of trifarotene 50 ?g/g cream, a first-in-class RAR-? selective topical retinoid, in patients with moderate facial and truncal acne.

ABSTRACT: BACKGROUND:Treatment for both facial and truncal acne has not sufficiently been studied. OBJECTIVES:To evaluate the long-term safety and efficacy of trifarotene in both facial and truncal acne. METHODS:In a multicentre, open-label, 52-week study, patients with moderate facial and truncal acne received trifarotene 50 ?g/g cream (trifarotene). Assessments included local tolerability, safety, investigator and physician's global assessments (IGA, PGA) and quality of life (QOL). A validated QOL questionnaire was completed by the patient at Baseline, Week 12, 26 and 52/ET. RESULTS:Of 453 patients enrolled, 342 (75.5%) completed the study. Trifarotene-related treatment-emergent adverse events (TEAEs) were reported in 12.6% of patients, and none was serious. Most related TEAEs were cutaneous and occurred during the first 3 months. Signs and symptoms of local tolerability were mostly mild or moderate and severe signs, and symptoms were reported for 2.2% to 7.1% of patients for the face and 2.5% to 5.4% for the trunk. Local irritation increased during the first week of treatment on the face and up to Weeks 2 to 4 on the trunk with both decreasing thereafter. At Week 12, IGA and PGA success rates were 26.6% and 38.6%, respectively. Success rates increased to 65.1% and 66.9%, respectively at Week 52. Overall success (both IGA and PGA success in the same patient) was 57.9% at Week 52. At Week 52 visit, 92/171 (53.8%) patients who had completed their assessments had scores from 0 to 1 (i.e. no effect of acne on their QOL) vs. 47/208 (22.6%) patients at Baseline visit. CONCLUSION:In this 52-week study, trifarotene was safe, well tolerated and effective in moderate facial and truncal acne.

SUBMITTER: Blume-Peytavi U

PROVIDER: S-EPMC7004112 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Long-term safety and efficacy of trifarotene 50 μg/g cream, a first-in-class RAR-γ selective topical retinoid, in patients with moderate facial and truncal acne.

Blume-Peytavi U U Fowler J J Kemény L L Draelos Z Z Cook-Bolden F F Dirschka T T Eichenfield L L Graeber M M Ahmad F F Alió Saenz A A Rich P P Tanghetti E E

Journal of the European Academy of Dermatology and Venereology : JEADV 20190820 1

<h4>Background</h4>Treatment for both facial and truncal acne has not sufficiently been studied.<h4>Objectives</h4>To evaluate the long-term safety and efficacy of trifarotene in both facial and truncal acne.<h4>Methods</h4>In a multicentre, open-label, 52-week study, patients with moderate facial and truncal acne received trifarotene 50 μg/g cream (trifarotene). Assessments included local tolerability, safety, investigator and physician's global assessments (IGA, PGA) and quality of life (QOL). ...[more]

PMID: 31306527

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Project description:ImportanceAcne is a common, multifactorial skin condition, and treatments with novel mechanisms have been elusive.ObjectiveTo assess the safety and efficacy of clascoterone cream, 1%, a novel topical androgen receptor inhibitor, in 2 phase 3 randomized clinical trials (CB-03-01/25 and CB-03-01/26).Design, setting, and participantsTwo identical, multicenter, randomized, vehicle-controlled, double-blind, phase 3 studies conducted from November 2015 to April 2018 evaluated the efficacy and safety of use of clascoterone cream, 1%, in males and nonpregnant females 9 years and older with moderate or severe facial acne as scored on the Investigator's Global Assessment scale. Participants were enrolled if they had 30 to 75 inflammatory lesions and 30 to 100 noninflammatory lesions.InterventionsPatients were randomized to treatment with clascoterone cream, 1%, or vehicle cream and applied approximately 1 g to the whole face twice daily for 12 weeks.Main outcomes and measuresTreatment success was defined as an Investigator's Global Assessment score of 0 (clear) or 1 (almost clear), and a 2-grade or greater improvement from baseline and absolute change from baseline in noninflammatory and inflammatory lesion counts at week 12. Safety measures included adverse event frequency and severity.ResultsA total of 1440 patients were randomzied in 2 studies. In CB-03-01/25, 353 participants were randomized to treatment with clascoterone cream, 1% (median [range] age, 18.0 [10-58] years; 221 [62.6%] female), and 355 participants were randomized to treatment with vehicle cream (median [range] age, 18.0 [9-50] years; 215 (60.6%) female); in CB-03-01/26, 369 participants were randomized to treatment with clascoterone cream, 1% (median [range] age, 18.0 [10-50] years; 243 [65.9%] female), and 363 participants were randomized to treatment with vehicle cream (median [range] age, 18.0 [range, 11-42] years; 221 [60.9%] female). At week 12, treatment success rates in CB-03-01/25 and CB-03-01/26 with clascoterone cream, 1%, were 18.4% (point estimate, 2.3; 95% CI, 1.4-3.8; P < .001) and 20.3% (point estimate, 3.7; 95% CI, 2.2-6.3; P < .001) vs 9.0% and 6.5% with vehicle, respectively. At week 12, in both CB-03-01/25 and CB-03-01/26, treatment with clascoterone cream, 1%, resulted in a significant reduction in absolute noninflammatory lesions from baseline to -19.4 (point estimate difference, -6.4; 95% CI, -10.3 to -2.6; P < .001) and -19.4 (point estimate difference, -8.6; 95% CI, -12.3 to -4.9; P < .001) vs -13.0 and -10.8 with vehicle, respectively, as well as a reduction in inflammatory lesions from baseline to -19.3 (point estimate difference, -3.8; 95% CI, -6.4 to -1.3; P < .001) and -20.0 (point estimate difference, -7.4; 95% CI, -9.8 to -5.1; P < .001) vs -15.5 and -12.6 with vehicle, respectively. Adverse events rates were low and mostly mild; the predominant local skin reaction was trace or mild erythema.Conclusions and relevanceUse of clascoterone cream, 1%, for acne treatment appears to demonstrate favorable efficacy and safety with low adverse event rates.Trial registrationClinicalTrials.gov Identifiers: NCT02608450 and NCT02608476.

Project description:Background and objectives: Acne vulgaris is a highly prevalent and multifactorial skin disorder that can adversely impact health-related quality of life. Factors that contribute to the pathogenesis of acne include pilosebaceous proliferation of proinflammatory Propionibacterium acnes (P. acnes) bacteria, presence of circulating androgens, excess sebum production, abnormal follicular keratinization, and multiple inflammatory cascades. Oral tetracyclines-especially doxycycline and minocycline-are frequently prescribed for the treatment of moderate-to-severe acne, given their anti-inflammatory properties and their effect on P. acnes reduction. Notwithstanding their established efficacy in the management of acne vulgaris, there is a desire to limit systemic exposure to antibiotics given growing concerns regarding bacterial resistance as well as the potential for serious side effects. This report describes outcomes of two randomized, vehicle-controlled trials (Phases IIa and IIb) of BPX-01, a topical minocycline gel, in the treatment of moderate-to-severe acne. Methods: In Study 1 (NCT02709096), at a single center, 33 subjects with highly fluorescing facial skin were randomized 2:1 to BPX-01 1% or vehicle control once-daily treatment for four weeks. Changes in P. acnes quantitative bacteriological cultures were assessed, as well as cutaneous tolerance to the study drug by both subjects and the investigator. In Study 2 (NCT02815332), subjects with moderate-to-severe inflammatory nonnodular acne (n=226) at 15 centers were randomized 1:1:1 to treatment with BPX-01 1%, BPX-01 2%, or vehicle control once-daily for 12 weeks. The primary endpoint was reduction in the number of inflammatory lesions; other endpoints included the number of noninflammatory lesions, Investigator's Global Assessment (IGA) of severity, and subjective ratings (investigator and subject) of acne. In both studies, cutaneous tolerability and safety were assessed, and plasma minocycline levels were tracked with a highly sensitive assay. Results: In Study 1, BPX-01 treatment reduced P. acnes colonization by 90.9 percent, which exceeded the reduction in the vehicle control group (65.53%; p=0.020). In Study 2, treatment with BPX-01 2% reduced the number of inflammatory lesions by 58.5 percent, exceeding the reduction in the vehicle control group (43.8%; p=0.0256). Trends toward an improvement preferential to BPX-01 2% were observed in the other endpoints. Across both studies, BPX-01 treatment was well-tolerated, with no photosensitivity, postinflammatory hyperpigmentation, or skin discoloration reported. A single subject (out of 259 study participants ) was identified to have detectable levels of plasma minocycline at low levels (42ng/mL) after 12 weeks of treatment but had no signs or symptoms associated with systemic administration of minocycline. Conclusion: BPX-01 appears to exhibit an effectiveness profile for reduction of inflammatory (nonnodular) acne lesions similar to that of oral minocycline formulations. However, because BPX-01 is topical and exhibits negligible systemic exposure, the likelihood of adverse events associated with oral minocycline use is much lower. These results demonstrate effectiveness of BPX-01 topical minocycline gel in reducing P. acnes colonization, suggesting that the BPX-01 2% formulation is a promising treatment for moderate-to-severe nonnodular, inflammatory acne vulgaris in both reduction of inflammatory lesions and also overall improvement in facial acne according to IGA.

Dataset Information

Long-term safety and efficacy of trifarotene 50 ?g/g cream, a first-in-class RAR-? selective topical retinoid, in patients with moderate facial and truncal acne.

Publications

Long-term safety and efficacy of trifarotene 50 μg/g cream, a first-in-class RAR-γ selective topical retinoid, in patients with moderate facial and truncal acne.

Similar Datasets

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