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Peptide library / Hormones & metabolism / Triptorelin

FDA-approvedHormones & metabolism

Triptorelin

A GnRH agonist used for prostate cancer and central precocious puberty.

Body system
Hormones & metabolism
Status
FDA-approved
Strongest evidence
FDA approved
Also known as
Trelstar, Triptodur

Effects studied or claimed

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

  • Advanced prostate cancerFDA approved
  • Central precocious pubertyFDA approved

How it is thought to work

Triptorelin works like leuprolide by suppressing the pituitary-gonad axis after an initial surge.

What the evidence shows

Depot injections allow dosing every one to six months with reliable hormone suppression.

Safety and unknowns

Hot flushes, injection site pain and reduced bone density with prolonged use.

Regulatory status

FDA-approved as Trelstar in 2000 and Triptodur in 2017.

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.