What do systematic reviews say?

Summary of findings table ‐ Intralesional classical immunosuppresants (betamethasone or triamcinolone) vs placebo

It is very uncertain whether summary of findings table ‐ Intralesional classical… changes short‐term hair regrowth ≥ 75% (between 12 and 26 weeks of compared with placebo (very low certainty).

• Treatments for alopecia areata: a network meta‐analysis 2023 · Cochrane Headline outcomes only
  RR 13.84 [0.87, 219.76]
  1 study · 231 participants
  Very low