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Triptorelin peptide therapy
Sexual Function & LibidoStrong Evidence

Triptorelin Peptide Therapy

Benefits, Side Effects, Cost & Protocols

Triptorelin peptide molecular structure diagram from PubChem

Triptorelin, sold as Decapeptyl, is a GnRH agonist analog that represses LH and FSH expression. It is on the WHO List of Essential Medicines and is used to treat prostate cancer, endometriosis, precocious puberty, and as part of transgender hormone therapy.

ByChris Riley(CFA)&Alex Evans, PharmD, MBA(PharmD, MBA)|Updated

Clinically Reviewed

Reviewed by Alex Evans, PharmD, MBA · Updated May 2026

Evidence-Based

Sourced from FDA, PubMed & ClinicalTrials.gov · View sources

FDA Status
FDA-approved drug
Evidence
Strong Evidence
Category
Sexual Function & Libido

Who Is Triptorelin Best For?

GnRH axis stimulationHormonal resetLH/FSH modulationPCT protocol usePhase 4

How Triptorelin Works

GnRH super-agonist that initially stimulates, then downregulates pituitary GnRH receptors, leading to suppressed and then restored gonadotropin release.

Triptorelin FAQ

What is TRIPTORELIN?

Triptorelin is a synthetic GnRH agonist used clinically for prostate cancer, endometriosis, and precocious puberty. In research contexts, it is studied for hormonal axis reset and PCT protocols.

How does TRIPTORELIN work?

GnRH super-agonist that initially stimulates, then downregulates pituitary GnRH receptors, leading to suppressed and then restored gonadotropin release.

Is TRIPTORELIN legal to buy?

TRIPTORELIN requires a prescription from a licensed healthcare provider. It is legal to purchase with a valid prescription from authorized pharmacies.

Where can I buy TRIPTORELIN?

TRIPTORELIN is available by prescription through compounding pharmacies and telehealth providers. Browse our verified provider directory to find trusted sources.

What category does TRIPTORELIN belong to?

TRIPTORELIN is primarily classified as a sexual function & libido peptide. Peptides researched for their effects on sexual function, libido, and reproductive health.

What are the research benefits of TRIPTORELIN?

TRIPTORELIN has been studied for: GnRH axis stimulation, Hormonal reset, LH/FSH modulation, PCT protocol use. FDA-approved GnRH agonist; used in PCT for hormonal axis recovery.

Key Studies

2,458 total on PubMed1,768 human trials

Ten-year update of HOBOE phase III trial comparing triptorelin plus either tamoxifen or letrozole or zoledronic acid + letrozole in premenopausal hormone receptor-positive early breast cancer patients

Gravina A, Gargiulo P, De Laurentiis M et al

ESMO OpenPhase 3

9.2 years median follow-up

Triptorelin plus letrozole or zoledronic acid plus letrozole improved disease-free survival over tamoxifen in premenopausal HR+ early breast cancer

Ovulation triggering with hCG alone, GnRH agonist alone or in combination? A randomized controlled trial in advanced-age women undergoing IVF/ICSI cycles

Zhou C, Yang X, Wang Y et al

Hum Reprod · Hum ReprodPhase 3

Dual GnRHa+hCG trigger improves embryo quality and frozen embryo live birth rates vs single GnRHa in advanced-age women

Short-term Androgen Deprivation Therapy and High-dose Radiotherapy in Intermediate- and High-risk Localized Prostate Cancer: Results from the GETUG 14 Randomized Phase 3 Trial

Demogeot N, Sargos P, Salleron J et al

Eur Urol · Eur UrolPhase 3

84 months median follow-up

Short-term ADT with high-dose RT improved 5-year DFS (84% vs 76%) and reduced biochemical failure in intermediate/high-risk prostate cancer

Assessment of Two Formulations of Triptorelin in Chinese Patients with Endometriosis: A Phase 3, Randomized Controlled Trial

Triptorelin Compound Data

Triptorelin peptide chemical structure and molecular formula from PubChem
Molecular Formula
C64H82N18O13
Molecular Weight
1311.4 g/mol
IUPAC Name
(2S)-N-[(1S)-2-[[(1S)-2-[[(1S)-2-[[(1S)-2-[[(1R)-2-[[(1S)-1-[[(1S)-1-[(2S)-2-[(2-amino-2-oxo-ethyl)carbamoyl]pyrrolidine-1-carbonyl]-4-guanidino-butyl]carbamoyl]-3-methyl-butyl]amino]-1-(1H-indol-3-ylmethyl)-2-oxo-ethyl]amino]-1-[(4-hydroxyphenyl)methyl]-2-oxo-ethyl]amino]-1-(hydroxymethyl)-2-oxo-ethyl]amino]-1-(1H-indol-3-ylmethyl)-2-oxo-ethyl]amino]-1-(1H-imidazol-5-ylmethyl)-2-oxo-ethyl]-5-oxo-pyrrolidine-2-carboxamide
View full compound on PubChem
Medical Disclaimer: The information on this page is for educational purposes only and does not constitute medical advice. Peptide therapies have not been evaluated by the FDA for most listed indications.All prices shown are estimates based on publicly available data and may not reflect current pricing — providers and brands set their own prices and can change them at any time. Always verify pricing directly with the provider before purchasing. Consult a licensed healthcare provider before starting any peptide protocol.

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