Can Hair Regrowth Last After Stopping Baricitinib?

Olumiant, or baricitinib, is approved in the US for severe alopecia areata in adults and children 12 and older. A treatment review should address benefit, safety and the plan for any change.¹

Who entered the withdrawal study?

BRAVE-AA1 rerandomized 154 adults who had responded to 2 or 4 mg daily by week 52. Their SALT scores were 20 or less, meaning no more than 20% scalp hair loss. Forty switched to placebo; the others continued their dose.²

What happened after stopping?

By week 152, 100 weeks after withdrawal, 80% of those withdrawn had lost benefit, versus 7% continuing treatment, in each dose group. Loss meant a greater-than-20-point worsening in SALT score, not necessarily losing every regrown hair.²

After restarting, 21 of 24 people on 4 mg and 5 of 8 on 2 mg reached the response threshold again at least once. Follow-up varied; recovery was not guaranteed. Eli Lilly sponsored and participated in the study.²

Is reducing the dose the same question?

The current US label directs a reduction from 4 mg to 2 mg once an adequate response is achieved. That is a different decision from stopping treatment entirely. Ask which change the dermatologist proposes and how progress will be assessed.¹

The American Academy of Dermatology³ says treatment choices depend on how much hair is lost, for how long, where and at what age. Bring your concerns about cost, side effects or daily medication to that review. Our JAK-inhibitor prescribing questions cover the wider discussion.³

What if treatment needs to pause?

The label directs interruption for a serious infection until it is controlled. Its boxed warning covers serious infections, cancer, cardiovascular events, blood clots and increased mortality. Regrowth concerns should not override a medically necessary interruption. Ask the prescriber for instructions for the specific illness or procedure, including when to call and who will authorize restarting.¹

Ask how a proposed pause differs from prolonged withdrawal.² Write down the reason, planned review date and how to report new shedding.

Hair, Everywhere describes a monthly Hair Log with consistent photographs and treatment start dates. Record any prescribed dose change or interruption alongside those dates so follow-up has a clear timeline. See the book.