Nicotinamide for skin cancer chemoprevention

Many providers who see skin cancers patients regularly have educated their patients regarding the ONTRAC skin cancer chemoprevention trial. This trial revealed patients with a history of keratinocytic cancers and actinic keratoses, who took Nicotinamide, 500 mg, twice daily, had a significantly decreased rate of the development of further keratinocytic cancers and actinic keratoses when …