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AMIRAVOResearch Library
Cycle-length evidence

Gonadorelin cycle length: what human studies ran

Approved, no longer marketedBLimited human data
Short answer: Gonadorelin has no "cycle". As an approved drug it is used as its label and a prescriber direct.

Treatment and follow-up in human studies

No human study durations are recorded.

What has not been tested

  • On-and-off schedules or breaks between courses.
  • Repeated courses and long-term exposure beyond the periods listed.
  • Gonadorelin combined with other compounds, unless a study above says so.

Frequently asked questions

Is there an established Gonadorelin cycle length?
No cycle is defined. Gonadorelin is an approved drug whose label describes treatment under a prescriber's care; the label, not a cycle, governs duration.
What is the longest human study of Gonadorelin?
None is recorded.
Do study durations tell me how long to use something?
No. A study duration is how long investigators administered a compound to selected participants under monitoring. It is not a recommended course, and a break between courses has not been tested for any compound on this site that is not approved.
Gonadorelin dosing reference Full research page

References

  1. GnRH agonists: gonadorelin, leuprolide and nafarelin Am Fam Physician. 1991
  2. Drugs@FDA application record for gonadorelin acetate: NDA 019687 (LUTREPULSE KIT, Ferring), products flagged Discontinued FDA Drugs@FDA / openFDA drug/drugsfda. 2026
  3. DailyMed label search for gonadorelin, returning veterinary products only (Factrel, Cystorelin, Fertagyl, Gonabreed, Ovacyst) NLM DailyMed. 2026
  4. World Anti-Doping Code International Standard: Prohibited List 2026 WADA. 2026
  5. Gonadotropin-Releasing Hormone (GnRH) Receptor Structure and GnRH Binding Front Endocrinol (Lausanne). 2017
  6. Ovulation Induction Techniques StatPearls. 2023
  7. History of Puberty: Normal and Precocious Horm Res Paediatr. 2022
  8. Gonadotropin-releasing hormone stimulation test and diagnostic cutoff in precocious puberty: a mini review Ann Pediatr Endocrinol Metab. 2020
  9. The induction of ovulation by pulsatile administration of GnRH: an appropriate method in hypothalamic amenorrhea Gynecol Endocrinol. 2017
  10. [Ovulation induction by pulsatile GnRH therapy in 2014: literature review and synthesis of current practice] Gynecol Obstet Fertil. 2014
  11. Pituitary apoplexy probably due to TRH and GnRH stimulation tests in a patient with acromegaly J Endocrinol Invest. 1999
  12. Bulk Drug Substances Nominated for Use in Compounding Under Section 503A of the FD&C Act, updated May 14, 2026 FDA. 2026