This is a randomized, double-blind, multicenter, placebo-controlled clinical study intended to evaluate the efficacy, safety and population pharmacokinetic profiles of MH004 ointment in eligible participants with NSV.
Subjects aged 12 to 75 years inclusive at the time of signing the Informed Consent Form (ICF), with no restriction on gender.
Clinically diagnosed with non-segmental vitiligo.
Prior to study drug administration, participants with vitiligo shall meet the following criteria regarding vitiligo lesion area: Facial lesion area ≥ 0.3% body surface area (BSA), and Facial Vitiligo Area Scoring Index (F-VASI) score ≥ 0.3.
Agree to discontinue all vitiligo therapeutic medications and interventions from the time of ICF signature until the end of the last study visit. Over-the-counter (OTC) drugs shall not exert therapeutic effects on vitiligo or interfere with skin pigmentation, including corticosteroids and other immunomodulators. Final eligibility of such OTC drugs shall be determined by the Investigator. Camouflaging makeup is permitted.
All terminal hairs (i.e., beard, eyebrows, eyelashes) within facial vitiligo areas are depigmented white.
Other subtypes of vitiligo or hypopigmentary disorders
Segmental vitiligo, unclassified vitiligo, or mixed vitiligo;
Other differential diagnoses of vitiligo or other cutaneous hypopigmentary diseases (e.g., piebaldism, pityriasis alba, nevus anemicus, post-inflammatory hypopigmentation, chemical leukoderma, tinea versicolor, etc.).