A Long-Term Study to Learn About The Study Medicine Called Ritlecitinib in Children With Severe Alopecia Areata.
for Severe Alopecia Areata
Drug: Ritlecitinib
18 locations incl. Encinitas
Sponsor: Pfizer
Sex: All·Age: 6 - 14
Code: NCT07029828·Phase 3·Recruiting