Acitretin is a second-generation retinoid and a metabolite of etretinate. While effective for severe psoriasis, its physical properties are highly dependent on the crystallization process. Because different crystalline structures (polymorphs) can change the drug’s solubility and shelf-life, precise characterization is essential for regulatory compliance and patient safety ( ResearchGate ). 2. Characterization of Polymorphic Forms
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The stability of these forms is sensitive to temperature and pressure: Acitretin is a second-generation retinoid and a metabolite
Acitretin (54757-46-9) is an oral retinoid utilized for treating severe dermatological conditions. Recent structural studies have identified at least three distinct polymorphic phases (Forms I, II, and III). Understanding these polymorphs is critical for pharmaceutical stability and bioavailability. This paper summarizes the structural differences between these forms and the thermal conditions required for phase transition. 1. Introduction Learn more The stability of these forms is