GnRH agonist | Trade names and availability | Dose, frequency, and method of administration |
Histrelin acetate subcutaneous implant | Supprelin LA (US) | Subcutaneous implant. Children ≥2 years – 50 mg implant surgically inserted every 12 months. Releases approximately 65 mcg per day over 12 months. |
Leuprolide acetate (leuprorelin) | 1-month formulations:
| Intramuscular depot injection, given every 28 days. Available strengths:
Typical starting dose is 7.5 mg but may vary among countries¶. |
3-month formulations:
| Intramuscular depot injection, given every 3 months. Available strengths:
Criteria for selection of the 11.25 mg versus 30 mg dose have not been established. | |
6-month formulations:
| Subcutaneous injection (Fensolvi) or intramuscular depot injection (Lupron Depot-Ped). Available strength:
| |
Triptorelin pamoate | Gonapeptyl (UK, EU, SA, elsewhere) Decapeptyl (UK, CN, elsewhere) Diphereline (AU, CN, elsewhere) Triptodur (US) | Intramuscular depot injections. Available strengths:
|
AU: Australia; CAN: Canada; CN: China; EU: European Union; GnRH: gonadotropin-releasing hormone; SA: South America; SR: sustained-release; UK: United Kingdom; US: United States.
* Strength not approved for treatment of central precocious puberty in the United States but may be approved elsewhere.
¶ In the United States, Canada, and some other countries, prescribing information includes higher starting doses for children weighing >25 kg, but some experts recommend against weight-based dosing[1].