Overview A 4-Day Study to Evaluate the Photoxicity of Diacerein 1% Topical Ointment in Healthy Volunteers Status: Completed Trial end date: 2017-12-15 Target enrollment: Participant gender: Summary This study was designed to assess the phototoxic potential of diacerein 1% ointment when application is followed by light exposure. Phase: Phase 1 Details Lead Sponsor: Castle Creek Pharmaceuticals, LLCTreatments: Diacetylrhein