{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,19]],"date-time":"2026-10-19T19:55:44Z","timestamp":1792439744652,"version":"4.5.0"},"reference-count":36,"publisher":"Oxford University Press (OUP)","issue":"5","license":[{"start":{"date-parts":[[2023,1,7]],"date-time":"2023-01-07T00:00:00Z","timestamp":1673049600000},"content-version":"vor","delay-in-days":67,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2022,8,22]],"date-time":"2022-08-22T00:00:00Z","timestamp":1661126400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2022,11,1]],"date-time":"2022-11-01T00:00:00Z","timestamp":1667260800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100010377","name":"National Institute for Health and Care Excellence","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100010377","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100010377","name":"National Institute for Health and Care Excellence","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100010377","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2022,11,1]]},"abstract":"<jats:title>Summary<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Various treatments for acne vulgaris exist, but little is known about their comparative effectiveness in relation to acne severity.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To identify best treatments for mild-to-moderate and moderate-to-severe acne, as determined by clinician-assessed morphological features.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>We undertook a systematic review and network meta-analysis of randomized controlled trials (RCTs) assessing topical pharmacological, oral pharmacological, physical and combined treatments for mild-to-moderate and moderate-to-severe acne, published up to May 2020. Outcomes included percentage change in total lesion count from baseline, treatment discontinuation for any reason, and discontinuation owing to side-effects. Risk of bias was assessed using the Cochrane risk-of-bias tool and bias adjustment models. Effects for treatments with \u2265 50 observations each compared with placebo are reported below.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>We included 179 RCTs with approximately 35 000 observations across 49 treatment classes. For mild-to-moderate acne, the most effective options for each treatment type were as follows: topical pharmacological \u2013 combined retinoid with benzoyl peroxide (BPO) [mean difference 26\u00b716%, 95% credible interval (CrI) 16\u00b775\u201335\u00b736%]; physical \u2013 chemical peels, e.g. salicylic or mandelic acid (39\u00b770%, 95% CrI 12\u00b754\u201366\u00b778%) and photochemical therapy (combined blue\/red light) (35\u00b736%, 95% CrI 17\u00b775\u201353\u00b708%). Oral pharmacological treatments (e.g. antibiotics, hormonal contraceptives) did not appear to be effective after bias adjustment. BPO and topical retinoids were less well tolerated than placebo. For moderate-to-severe acne, the most effective options for each treatment type were as follows: topical pharmacological \u2013 combined retinoid with lincosamide (clindamycin) (44\u00b743%, 95% CrI 29\u00b720\u201360\u00b702%); oral pharmacological \u2013 isotretinoin of total cumulative dose \u2265 120 mg kg\u22121 per single course (58\u00b709%, 95% CrI 36\u00b799\u201379\u00b729%); physical \u2013 photodynamic therapy (light therapy enhanced by a photosensitizing chemical) (40\u00b745%, 95% CrI 26\u00b717\u201354\u00b711%); combined \u2013 BPO with topical retinoid and oral tetracycline (43\u00b753%, 95% CrI 29\u00b749\u201357\u00b770%). Topical retinoids and oral tetracyclines were less well tolerated than placebo. The quality of included RCTs was moderate to very low, with evidence of inconsistency between direct and indirect evidence. Uncertainty in findings was high, in particular for chemical peels, photochemical therapy and photodynamic therapy. However, conclusions were robust to potential bias in the evidence.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Topical pharmacological treatment combinations, chemical peels and photochemical therapy were most effective for mild-to-moderate acne. Topical pharmacological treatment combinations, oral antibiotics combined with topical pharmacological treatments, oral isotretinoin and photodynamic therapy were most effective for moderate-to-severe acne. Further research is warranted for chemical peels, photochemical therapy and photodynamic therapy for which evidence was more limited.<\/jats:p>\n                    <jats:p>What is already known about this topic? \u00a0Acne vulgaris is the eighth most common disease globally.Several topical, oral, physical and combined treatments for acne vulgaris exist.Network meta-analysis (NMA) synthesizes direct and indirect evidence and allows simultaneous inference for all treatments forming an evidence network.Previous NMAs have assessed a limited range of treatments for acne vulgaris and have not evaluated effectiveness of treatments for moderate-to-severe acne.<\/jats:p>\n                    <jats:p>What does this study add? \u00a0For mild-to-moderate acne, topical treatment combinations, chemical peels, and photochemical therapy (combined blue\/red light; blue light) are most effective.For moderate-to-severe acne, topical treatment combinations, oral antibiotics combined with topical treatments, oral isotretinoin and photodynamic therapy (light therapy enhanced by a photosensitizing chemical) are most effective.Based on these findings, along with further clinical and cost-effectiveness considerations, National Institute for Health and Care Excellence (NICE) guidance recommends, as first-line treatments, fixed topical treatment combinations for mild-to-moderate acne and fixed topical treatment combinations, or oral tetracyclines combined with topical treatments, for moderate-to-severe acne.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/bjd.21739","type":"journal-article","created":{"date-parts":[[2022,7,5]],"date-time":"2022-07-05T10:15:20Z","timestamp":1657016120000},"page":"639-649","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":105,"title":["A systematic review and network meta-analysis of topical pharmacological, oral pharmacological, physical and combined treatments for acne 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