Home›Research›Compare›Cetrorelix vs Relaxin
Peptide ComparisonCetrorelix vs Relaxin
Both are Reproductive & Hormonal peptides.
Cetrorelix
Cetrotide
Half-life: ~62 hours
1 providers listed
Relaxin
Relaxin-2
No providers listed yet
Cetrorelix is FDA-approved, while Relaxin is investigational — the clearest structural difference between them.
Cetrorelix
Evidence
Half-life
~62 hours
Relaxin
Evidence
Half-life
—
| Your goal | Better option |
|---|---|
| Further along in FDA review | Cetrorelix |
| More provider options (1 vs 0) | Cetrorelix |
Research summary only — not medical advice. Consult a qualified provider before making any decisions.
Cetrorelix
Relaxin
Cetrorelix
GnRH Agonists and Antagonists in IVF/ICSI Cycles of PCOS Women: A Network Meta-Analysis.
Hydrogel and oleogel formulation of the decapeptide cetrorelix acetate for nasal administration.
Effects of half-dose and full-dose GnRH antagonists on IVF-ET outcomes: a retrospective study
Comparison of the effects of Duphaston and Cetrotide on oocyte and embryo quality in women undergoing ICSI: a…
Relaxin
Serelaxin, recombinant human relaxin-2, for treatment of acute heart failure (RELAX-AHF): a randomised, place…
Huoxue Jiegu compound capsule accelerates tibial fracture healing via angiogenesis-driven repair mechanisms.
Serelaxin has greater anti-fibrotic potential than perindopril but maintains its anti-fibrotic efficacy in th…
Incidence of sacral somatic dysfunction in vaginal delivery after spontaneous labor.
+2 more
About Cetrorelix
Competitive GnRH receptor antagonist; immediately blocks pituitary GnRH receptors; rapidly suppresses LH/FSH without initial flare effect; used for controlled hormonal suppression
About Relaxin
Binds RXFP1 receptor, activating adenylyl cyclase and cAMP/PKA pathway. Upregulates matrix metalloproteinases (MMPs) to degrade excess collagen. Inhibits TGF-β fibrotic signaling. Promotes cervical softening and pelvic ligament compliance.
Information below reflects published research data only — not medical advice. Consult a qualified provider before use.
Cetrorelix
Relaxin
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