Topical tretinoin (retinoic acid) treatment of hyperpigmented lesions associated with photoaging in Chinese and Japanese patients: a vehicle-controlled trial

Study Design
Subject Type
Human
Trial Design
Double-Blind, Randomised, Controlled
Trial Duration
280 days
Participants
47 (45 completed)
Age Range
40-76 years
Efficacy
Intervention(s) Outcome
Hyperpigmentation
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Skin Brightness
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Skin Thickness
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Mechanisms
Intervention(s) Outcome
Stratum Corneum Compaction
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Side Effects
Intervention(s) Outcome
Inflammation
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Peeling
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Skin Redness
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Swelling
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Study Summary
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