Inclusion Criteria:
- Documented clinical diagnosis of Alopecia Areata (AA) for at least 6 months.
- Current episode of scalp hair loss (at screening) must meet the following criteria:
duration at least 6 months; duration of current hair loss episode of AA affecting ≥
50% of the scalp not exceeding 8 years; scalp hair loss has been stable (no
significant spontaneous regrowth [> 10%] over the last 6 months)
- SALT score ≥ 50 at Screening and Day 1. Participant with complete scalp hair loss
(SALT score of 100) with or without body hair involvement can be included.
Exclusion Criteria:
- Participant with diffuse-type AA or other forms of hair loss, including traction
alopecia, lichen planopilaris, central centrifugal cicatricial alopecia, frontal
fibrosing alopecia, etc.
- Other active skin diseases affecting the scalp that in the opinion of the investigator
may interfere with accurate assessment of SALT score.
- Extensive tattooing of the scalp that, in the opinion of the investigator, may
interfere with the accurate assessment of SALT score.
Other protocol-defined inclusion/exclusion criteria apply.
