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Gonadorelin with Triptorelin

Mechanism-tag overlap and published literature for Gonadorelin and Triptorelin, pulled verbatim from each Kalios compound profile. Kalios is a literature reference, not a recommendation.

Mechanism overlap

Mechanism tags are verbatim labels on each compound's profile. Generic tags ("peptide", "small-molecule", "research-chemical") are excluded from this overlap view. Tags are descriptive — not an inference about combined effect.

GONADORELIN TRIPTORELIN 2 UNIQUE TAGS 2 UNIQUE TAGS 0 SHARED
Gonadorelin unique gnrhsynthetic-gonadotropin-releasing-hormone
Shared none
Triptorelin unique decapeptidegnrh-super-agonist

Co-administration notes from the literature

Verbatim summary text pulled from each compound's profile data. Researchers studying Gonadorelin and Triptorelin have published these mechanism-level observations. Not a co-administration recommendation.

Evidence level: mechanistic only

Endogenous-sequence GnRH used in pulsatile dosing to maintain HPG-axis tone. Mechanistically opposite to triptorelin's sustained-exposure suppression. Used for HPG maintenance during TRT; not combined with triptorelin.

Quick facts

Gonadorelin

RouteSubQ / IV (pulsatile pump)
Half-life~2–10 min (plasma)
FDA statusHistorical approval (Factrel, Lutrepulse); compounded off-l…
WADABanned in males (S2.2, LH-releasing)
Full Gonadorelin profile →

Triptorelin

RouteIM or SubQ (depot or short-acting)
Half-life~3 hr (free); weeks to months (depot)
FDA statusApproved (Trelstar, 2000)
WADAProhibited in males (S2 peptide hormones)
Full Triptorelin profile →

Literature table

Classified references from each compound profile. Click a column header to sort. Click a PMID to open PubMed. Findings are quoted verbatim from each profile's literature_summary; nothing here is added or interpreted.

Year Compound Source Finding
2021GonadorelinKohn TP, Louis MR, Pickett SM, Lindgren MC, Kohn JR, Pastuszak AW, Lipshultz LI. Effects of subcutaneous gonadotropin-releasing hormone administration on serum hormonal concentrations, semen parameters, and sperm retrieval in men with hypogonadism undergoing testosterone therapy… PMID 33705811human study
2002GonadorelinPitteloud N, Hayes FJ, Dwyer A, Boepple PA, Lee H, Crowley WF Jr. Predictors of outcome of long-term GnRH therapy in men with idiopathic hypogonadotropic hypogonadism. J Clin Endocrinol Metab. 2002;87(9):4128-4136. PMID: 12213860. PMID 12213860human study
1994GonadorelinFilicori M, Flamigni C, Dellai P, Cognigni G, Michelacci L, Arnone R, Sambataro M, Falbo A. Treatment of anovulation with pulsatile gonadotropin-releasing hormone: prognostic factors and clinical results in 600 cycles. J Clin Endocrinol Metab. 1994;79(4):1215-1220. PMID: 7962300. PMID 7962300human study
1986GonadorelinSantoro N, Filicori M, Crowley WF. Hypogonadotropic disorders in men and women: diagnosis and therapy with pulsatile gonadotropin-releasing hormone. Endocr Rev. 1986;7(1):11-23. PMID: 3082643. (Pulsatile GnRH therapy review.) PMID 3082643human study
1982GonadorelinHoffman AR, Crowley WF. Induction of puberty in men by long-term pulsatile administration of low-dose gonadotropin-releasing hormone. N Engl J Med. 1982;307(20):1237-1241. PMID: 6811941. (Pivotal pulsatile GnRH clinical paper.) PMID 6811941human study
1971GonadorelinMatsuo H, Baba Y, Nair RM, Arimura A, Schally AV. Structure of the porcine LH- and FSH-releasing hormone. I. The proposed amino acid sequence. Biochem Biophys Res Commun. 1971;43(6):1334-1339. PMID: 4936338. (GnRH primary structure.) PMID 4936338preclinical, in vivo
1971GonadorelinSchally AV, Arimura A, Baba Y, Nair RM, Matsuo H, Redding TW, Debeljuk L. Isolation and properties of the FSH and LH-releasing hormone. Biochem Biophys Res Commun. 1971;43(2):393-399. PMID: 4930263. (Schally GnRH isolation paper — Nobel Prize 1977.) PMID 4930263mechanism / discovery
2026GonadorelinWADA Prohibited List 2026. World Anti-Doping Agency. wada-ama.org. (Gonadorelin banned in males under S2.2.)regulatory / registry
GonadorelinFDA. Factrel (gonadorelin hydrochloride) Prescribing Information. FDA.gov. Wyeth Ayerst (discontinued). (Historical FDA approval reference.)regulatory / registry
GonadorelinFDA. Lutrepulse / Lutrelef (gonadorelin acetate) Prescribing Information. FDA.gov. Ferring (discontinued). (Historical FDA pulsatile-pump approval.)regulatory / registry
2015GonadorelinRamasamy R, Armstrong JM, Lipshultz LI. Preserving fertility in the hypogonadal patient: an update. Asian J Androl. 2015;17(2):197-200. PMID: 25337841. (TRT fertility preservation review — HCG context.) PMID 25337841research article
2014GonadorelinRahnema CD, Lipshultz LI, Crosnoe LE, Kovac JR, Kim ED. Anabolic steroid-induced hypogonadism: diagnosis and treatment. Fertil Steril. 2014;101(5):1271-1279. PMID: 24636400. (Context for modern HPG preservation strategies.) PMID 24636400research article
2011TriptorelinCrawford ED, Tombal B, Miller K, Boccon-Gibod L, Schröder F, Shore N, Moul JW, Jensen JK, Olesen TK, Persson BE. A phase III extension trial with a 1-arm crossover from leuprolide to degarelix: comparison of gonadotropin-releasing hormone agonist and antagonist effect on prostat… PMID 21788033human trial, Phase 3
2008TriptorelinKlotz L, Boccon-Gibod L, Shore ND, Andreou C, Persson BE, Cantor P, Jensen JK, Olesen TK, Schröder FH. The efficacy and safety of degarelix: a 12-month, comparative, randomized, open-label, parallel-group phase III study in patients with prostate cancer. BJU Int. 2008;102(11):15… PMID 19035858human trial, Phase 3
2005TriptorelinHumaidan P, Bredkjaer HE, Bungum L, Bungum M, Grøndahl ML, Westergaard L, Andersen CY. GnRH agonist (buserelin) or hCG for ovulation induction in GnRH antagonist IVF/ICSI cycles: a prospective randomized study. Hum Reprod. 2005;20(5):1213-1220. PMID: 15689345. PMID 15689345human trial
2006TriptorelinCarel JC, Blumberg J, Seymour C, Adamsbaum C, Lahlou N; Triptorelin 3-month CPP Study Group. Three-month sustained-release triptorelin (11.25 mg) in the treatment of central precocious puberty. Eur J Endocrinol. 2006;154(1):119-124. PMID: 16382001. PMID 16382001human study
2003TriptorelinHeyns CF, Simonin MP, Grosgurin P, Schall R, Porchet HC; South African Triptorelin Study Group. Comparative efficacy of triptorelin pamoate and leuprolide acetate in men with advanced prostate cancer. BJU Int. 2003;92(3):226-231. PMID: 12887479. PMID 12887479human study
2025TriptorelinWorld Anti-Doping Agency. 2025 Prohibited List. Section S2: Peptide Hormones, Growth Factors, Related Substances, and Mimetics. WADA, 2025.regulatory / registry
TriptorelinU.S. Food and Drug Administration. Trelstar (triptorelin pamoate for injectable suspension) Prescribing Information. Verity Pharmaceuticals. FDA.gov.regulatory / registry
2020TriptorelinLundy SD, Sabanegh ES Jr. Non-classical forms of male infertility: triptorelin in recovery of hypogonadotropic hypogonadism secondary to anabolic-androgenic steroid use. Transl Androl Urol. 2020;9(2):166-172. PMID: 32420127. PMID 32420127research article
2015TriptorelinFrancis PA, Regan MM, Fleming GF, Láng I, Ciruelos E, Bellet M, et al.; SOFT Investigators. Adjuvant ovarian suppression in premenopausal breast cancer. N Engl J Med. 2015;372(5):436-446. PMID: 25495490. PMID 25495490research article
2012TriptorelinJungwirth A, Diemer T, Dohle GR, et al. European Association of Urology Guidelines on Male Infertility. Eur Urol. 2012;62(2):324-332. PMID: 22591628. PMID 22591628research article
2010TriptorelinShore ND, Crawford ED. Intermittent androgen deprivation therapy: redefining the standard of care? Rev Urol. 2010;12(1):1-11. PMID: 20428290. PMID 20428290research article
2007TriptorelinEngel JB, Schally AV. Drug Insight: clinical use of agonists and antagonists of luteinizing-hormone-releasing hormone. Nat Clin Pract Endocrinol Metab. 2007;3(2):157-167. PMID: 17237842. PMID 17237842research article

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Frequently asked

Have Gonadorelin and Triptorelin been studied together?

Researchers have published mechanistic-level co-administration discussion of Gonadorelin and Triptorelin. No human co-administration trials are catalogued in the Kalios profiles. The pair page lists each compound's classified literature; full citations sit on each individual profile.

What mechanisms do Gonadorelin and Triptorelin share?

Gonadorelin and Triptorelin do not share a specific mechanism tag on their Kalios profiles. They appear on the same pair page because at least one profile lists the other in its co-administration data.

What is the FDA status of Gonadorelin and Triptorelin?

Gonadorelin: Historical approval (Factrel, Lutrepulse); compounded off-label currently. Triptorelin: Approved (Trelstar, 2000). FDA-status text is pulled verbatim from each compound profile. See /fda-pcac-2026.html for the broader FDA Pharmacy Compounding Advisory Committee context.

Where can I find the full research on Gonadorelin and Triptorelin?

Full citation lists, dosing tables from the literature, reconstitution data, and the FDA / WADA status are on the individual compound profiles: the Gonadorelin profile and the Triptorelin profile. The Kalios Stack Research Tool hub lists every compound covered.

Last updated: April 2026