Gonadotropin-releasing hormone vs Leuprolide
The pulsatile hypothalamic driver of the reproductive axis. A GnRH agonist that suppresses the axis through continuous stimulation. Side by side: type, evidence tier, receptor, molecular weight, and half-life — the same fields as each monograph, rearranged so the engineering difference is visible.
Gonadotropin-releasing hormone GnRH | Leuprolide | |
|---|---|---|
| Also known as | — | Lupron, Eligard |
| Type | Endogenous | Analog |
| Evidence | Established | Established |
| Family | Reproductive & gonadal | Reproductive & gonadal |
| Class | Decapeptide (10 aa) | GnRH receptor agonist (nonapeptide analog) |
| Receptor | GnRH receptor (GnRHR), a class A GPCR | GnRH receptor (GnRHR) |
| Molecular weight | ~1,182.3 Da | ~1,209.4 Da |
| Half-life | ||
| Based on | Native hormone | Gonadotropin-releasing hormone |
Half-life bars are on a logarithmic scale across the molecules shown. Reference values for the native or representative form — educational only, not medical or dosing advice.
Common questions
- What is the difference between Gonadotropin-releasing hormone and Leuprolide?
- Gonadotropin-releasing hormone is an endogenous hormone; Leuprolide is an engineered analog based on Gonadotropin-releasing hormone. Gonadotropin-releasing hormone signals at GnRH receptor (GnRHR), a class A GPCR; Leuprolide signals at GnRH receptor (GnRHR).
- How do the half-lives of GnRH and Leuprolide compare?
- The reported circulating half-life of Gonadotropin-releasing hormone is ~2–4 min; Leuprolide is ~3 h (depot formulations act for months). These are reference values for the native or representative form — educational only, not dosing advice.
Prefer the other order? Leuprolide vs Gonadotropin-releasing hormone. Or open the interactive comparison tool to add more molecules.