Sexual and reproductive health
Triptorelin
Also called Decapeptyl, Trelstar
per administration
A human trial worked out how much to take and how often, so a dosing schedule is shown.
Licensed as a medicine in the US and EU.
Quick start
Triptorelin at a glance — the figures, plus how it's commonly run. Reference only, not medical advice.
- Typical dose
- 0.1–3.75 mg per administration
- How often
- Once a week
- Where
- Subcutaneous — abdomen, thigh, or upper arm Sites and rotation
- Time to steady level
- ~15 hours — about five half-lives
- Storage
- Dry vial kept cold and dark; a mixed vial in the fridge at 2–8 °C. Details
A research and community reference, not medical advice. Figures are descriptive, vary between sources, and are not a recommendation for use.
Work out your draw
These numbers are a starting point — change any of them.
Vial label
Copy this into your label printer.
Published research contexts for Triptorelin describe 0.1–3.75 mg per administration. Descriptive only, not a recommendation.
About 3 hours for the immediate-release peptide; the licensed depot releases over weeks to months, with entirely different kinetics.
A gonadotropin-releasing hormone agonist, licensed as a medicine and usually given as a slow-release depot (for example 3.75 mg monthly) rather than on a daily subcutaneous schedule, so no schedule table is shown.
Modelled level — once a week
1× is the peak after a single dose.
- Steady-state peak
- 1.00× single dose
- Time to steady state
- 15hours
- Administrations
- 1/ week
Read off the modelled curve, not an even-interval formula
About five half-lives
Where these numbers come from
- Triptorelin (Decapeptyl / Trelstar) product literatureA licensed GnRH agonist supplied mainly as a long-acting depot; the depot's release profile is not a subcutaneous dosing schedule.