Retinoid cream associated with death in clinical trial, but relationship does not appear causal

Patients using a cream containing tretinoin, a retinoid commonly used to treat acne and other conditions, appeared more likely to die than those using a placebo in a clinical trial that was halted early as a result, according to a report in the January issue of Archives of Dermatology, one of the JAMA/Archives journals. However, evidence does not suggest these excess deaths were caused by the therapy...

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