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Nektar's Rezpeg Shows Promising Hair Growth in Alopecia Trials

4/21/2026

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Summary

Story summary

Nektar Therapeutics announced rezpeg yielded significant hair growth after one year in severe alopecia areata, with 27% of participants reaching 80% scalp coverage (SALT Score 20).
This SALT Score 20 outcome compares favorably to a low dose of Olumiant, an approved treatment, though direct trials are lacking.
Adam Feuerstein, a senior writer and biotech columnist, reported on these developments and their potential impact for patients.

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Story summary

Nektar Therapeutics announced rezpeg yielded significant hair growth after one year in severe alopecia areata, with 27% of participants reaching 80% scalp coverage (SALT Score 20).
This SALT Score 20 outcome compares favorably to a low dose of Olumiant, an approved treatment, though direct trials are lacking.
Adam Feuerstein, a senior writer and biotech columnist, reported on these developments and their potential impact for patients.