NCT05932511 2023-08-30Topical Ascorbic Acid for Treatment of Squamous Cell Skin CancerCenter for Biomedical Research, Inc.Phase EARLY_PHASE1 Unknown15 enrolled
NCT05702398 2023-01-27Pilot Trial of Supplemental Vitamin A and NicotinamideRhode Island HospitalPhase EARLY_PHASE1 Unknown30 enrolled