No Intervention No treatment,Placebo Comparator Drug,Experimental Drug,Experimental Drug,Experimental Drug

2 trials

Sponsors

Division of Dermatology, Department of medicine, Faculty of Medicine, Ramathibodi hospital

Conditions

UVB-induced hyperpigmentation UVB, hyperpigmentationUVB-induced hyperpigmentation UVB, hyperpigmentation, onabotulinum toxin

Phase 3

A study of incobotulinum toxin type A for ultraviolet B-induced hyperpigmentation treatment: a prospective, randomized, controlled trial

Active, not recruitingTCTR20211111001

Division of Dermatology, Department of medicine, Faculty of Medicine, Ramathibodi hospitalUVB-induced hyperpigmentation UVB, hyperpigmentation

Start: 2021-08-18Target: 15Updated: 2026-08-03

A study of onabotulinum toxin type A for the treatment of ultraviolet B-induced hyperpigmentation: a prospective, randomized, controlled trial

Active, not recruitingTCTR20211111002

Division of Dermatology, Department of medicine, Faculty of Medicine, Ramathibodi hospitalUVB-induced hyperpigmentation UVB, hyperpigmentation, onabotulinum toxin

Start: 2021-08-16Target: 15Updated: 2026-08-03