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Peptide library / Hormones & metabolism / Lonapegsomatropin

FDA-approvedHormones & metabolism

Lonapegsomatropin

A weekly growth hormone prodrug for children with growth hormone deficiency.

Body system
Hormones & metabolism
Status
FDA-approved
Strongest evidence
FDA approved
Also known as
Skytrofa

Effects studied or claimed

What it is used or promoted for, and where each effect has actually been seen

  • Pediatric growth hormone deficiencyFDA approved

How it is thought to work

Growth hormone is attached to a carrier that releases it slowly over a week.

What the evidence shows

The heiGHt trial showed faster growth than daily somatropin.

Safety and unknowns

Similar to daily growth hormone.

Regulatory status

FDA-approved as Skytrofa in 2021.

Regulatory status changes quickly. This entry was last reviewed on 27 October 2026. Confirm current status with the FDA before relying on it.

Sources

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General information, not medical advice. Do not buy or inject unregulated peptides.