Triptorelin
Triptorelin
Evidence & Status
- FDA Approved
- Strong Human Evidence
- Strong
FDA Approval Scope
U.S. FDA approval is formulation-, product-, indication-, and population-specific: TRELSTAR (triptorelin pamoate) for advanced prostate cancer; TRIPTODUR (triptorelin) for central precocious puberty in patients aged 2 years and older.
At a Glance
A synthetic GnRH agonist with product-specific U.S. approvals: TRELSTAR for advanced prostate cancer and TRIPTODUR for central precocious puberty in patients aged 2 years and older.
Plain English
Researchers study Triptorelin because continuous GnRH-agonist exposure suppresses the reproductive hormone axis. Product, formulation, population, dosing, safety, and indication must remain distinct: the listed U.S. labels cover TRELSTAR for advanced prostate cancer and TRIPTODUR for central precocious puberty.
Overview
Triptorelin is a GnRH agonist with a D-tryptophan substitution at position 6. Its U.S. approval scope must be stated by product: TRELSTAR is triptorelin pamoate for palliative treatment of advanced prostate cancer, and TRIPTODUR is triptorelin for central precocious puberty. Evidence and dosing must not be transferred across salts, depot products, routes, or indications.
Research Summary
The retained literature and official labels must remain product-, population-, indication-, and formulation-specific. The distinct U.S. product indications are advanced prostate cancer for TRELSTAR and central precocious puberty for TRIPTODUR. Findings from one indication or formulation do not establish efficacy, safety, or dosing for another.
Research Areas
- Prostate cancer (androgen deprivation)
- Central precocious puberty
Safety & Risks
Serious Risks
- For TRELSTAR in advanced prostate cancer, distinguish the initial adult testosterone flare from other risks.
- For TRIPTODUR in pediatric CPP, distinguish transient pubertal signs from adult prostate-cancer risks.
- Follow the current applicable product label.
Reported Side Effects
- Product- and population-specific; follow the current applicable product label.
Legal Status by Region
- United States
- Product-, jurisdiction-, and indication-specific; consult the current official label.
- United Kingdom
- Product-, jurisdiction-, and indication-specific; consult the current official label.
- Australia
- Product-, jurisdiction-, and indication-specific; consult the current official label.
- Canada
- Product-, jurisdiction-, and indication-specific; consult the current official label.
Citations & Sources
- [Multicentre randomized trial comparing triptorelin medical castration versus surgical castration in the treatment of locally advanced or metastatic prostate cancer].
Botto H et al. · Progrès en Urologie · 2007
PMID 17489325 · DOI 10.1016/s1166-7087(07)92270-8
- [Efficacy and safety of long-acting gonadotropin-releasing hormone analogue in the treatment for metastatic prostate cancer].
Li NC et al. · Zhonghua Wai Ke Za Zhi · 2008
PMID 19094763
- Assessment of Two Formulations of Triptorelin in Chinese Patients with Endometriosis: A Phase 3, Randomized Controlled Trial.
Li X et al. · Advances in Therapy · 2022
PMID 35947347 · DOI 10.1007/s12325-022-02264-5
- Efficacy of Triptorelin 3-Month Depot Compared to 1-Month Depot for the Treatment of Korean Girls with Central Precocious Puberty in Single Tertiary Center.
Chung LY et al. · Journal of Korean Medical Science · 2021
PMID 34463062 · DOI 10.3346/jkms.2021.36.e219
- Impact of 6-month triptorelin formulation on predicted adult height and basal gonadotropin levels in patients with central precocious puberty.
Yoo E et al. · Frontiers in Endocrinology · 2023
PMID 36875449 · DOI 10.3389/fendo.2023.1134977
- TRELSTAR (triptorelin pamoate for injectable suspension) — Full Prescribing Information.
DailyMed · 2025
Regulatory NDA 020715, NDA 021288, NDA 022437
- TRIPTODUR (triptorelin) for extended-release injectable suspension — Full Prescribing Information.
DailyMed · 2025
Regulatory NDA 208285