Gonadorelin

Last updated

Gonadorelin
Gonadorelin.svg
Clinical data
Trade names Factrel, others
Other namesAbbott 41070; AY-24031; Hoe-471; RU-19847
Routes of
administration 		intravenous, subcutaneous [1] [ unreliable medical source? ]
Drug class GnRH analogue; GnRH agonist; Progonadotropin
ATC code
Legal status
Legal status
Pharmacokinetic data
Metabolism Hydrolysis [1] [ unreliable medical source? ]
Elimination half-life 10–40 minutes [1] [ unreliable medical source? ]
Identifiers
  • (2S)-N-[(2S)-1-{{#parsoidfragment:4}}(2S)-1-{{#parsoidfragment:5}}(2S)-1-{{#parsoidfragment:6}}(2S)-1-{{#parsoidfragment:7}}2-{{#parsoidfragment:8}}(2S)-1-{{#parsoidfragment:9}}(2S)-1-[(2S)-2-[(2-amino-2-oxoethyl)carbamoyl]pyrrolidin-1-yl]-5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-2-oxoethyl]amino]-3-(4-hydroxyphenyl)-1-oxopropan-2-yl]amino]-3-hydroxy-1-oxopropan-2-yl]amino]-3-(1H-indol-3-yl)-1-oxopropan-2-yl]amino]-3-(1H-imidazol-5-yl)-1-oxopropan-2-yl]-5-oxopyrrolidine-2-carboxamide
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard 100.046.852 OOjs UI icon edit-ltr-progressive.svg
Chemical and physical data
Formula C55H75N17O13
Molar mass 1182.311 g·mol−1
3D model (JSmol)
  • CC(C)C[C@@H](C(=O)N[C@@H](CCCN=C(N)N)C(=O)N1CCC[C@H]1C(=O)NCC(=O)N)NC(=O)CNC(=O)[C@H](CC2=CC=C(C=C2)O)NC(=O)[C@H](CO)NC(=O)[C@H](CC3=CNC4=CC=CC=C43)NC(=O)[C@H](CC5=CN=CN5)NC(=O)[C@@H]6CCC(=O)N6
  • InChI=1S/C55H75N17O13/c1-29(2)19-38(49(80)67-37(9-5-17-60-55(57)58)54(85)72-18-6-10-43(72)53(84)62-25-44(56)75)66-46(77)26-63-47(78)39(20-30-11-13-33(74)14-12-30)68-52(83)42(27-73)71-50(81)40(21-31-23-61-35-8-4-3-7-34(31)35)69-51(82)41(22-32-24-59-28-64-32)70-48(79)36-15-16-45(76)65-36/h3-4,7-8,11-14,23-24,28-29,36-43,61,73-74H,5-6,9-10,15-22,25-27H2,1-2H3,(H2,56,75)(H,59,64)(H,62,84)(H,63,78)(H,65,76)(H,66,77)(H,67,80)(H,68,83)(H,69,82)(H,70,79)(H,71,81)(H4,57,58,60)/t36-,37-,38-,39-,40-,41-,42-,43-/m0/s1
  • Key:XLXSAKCOAKORKW-AQJXLSMYSA-N

Gonadorelin is a gonadotropin-releasing hormone agonist (GnRH agonist) which is used in fertility medicine and to treat amenorrhea and hypogonadism. [2] [3] [4] [5] [6] [7] It is also used in veterinary medicine. [3] [5] The medication is a form of the endogenous GnRH and is identical to it in chemical structure. [2] [3] [5] [7] It is given by injection into a blood vessel or fat or as a nasal spray. [5] [1] [ unreliable medical source? ] [7]

Contents

Medical uses

Gonadorelin is used as a diagnostic agent to assess pituitary gland function. [1] [ unreliable medical source? ] It is also used in the treatment of primary hypothalamic amenorrhea, hypogonadotropic hypogonadism (e.g., Kallmann syndrome), delayed puberty, cryptorchidism, and infertility. [7] [8] [1] [ unreliable medical source? ] Unlike other GnRH analogues, it is not used to suppress sex hormone production. [9]

Available forms

Gonadorelin is available in a portable infusion pump that provides pulsatile subcutaneous administration of the drug. [7] [8] The usual dosage delivered is 5 to 20 μg of gonadorelin per pulse every 90 to 120 minutes. [7] [8] It is also available in solution form for intravenous or subcutaneous injection and as a nasal spray. [7]

Pharmacology

Pharmacodynamics

Gonadorelin is an agonist of the GnRH receptor and is used to induce the secretion of the gonadotropins follicle-stimulating hormone and luteinizing hormone from the pituitary gland and to increase sex hormone production by the gonads. [7] [8]

Pharmacokinetics

Gonadorelin has a distribution half-life of 2 to 10 minutes and a very short terminal half-life of 10 to 40 minutes. [1] [ unreliable medical source? ] It is metabolized by hydrolysis into smaller peptide components. [1] [ unreliable medical source? ]

History

Gonadorelin was available for medical use, under the brand name Factrel, as early as 1978. [10]

Society and culture

Generic names

Gonadorelin is the generic name of the drug and its INN Tooltip International Nonproprietary Name, BAN Tooltip British Approved Name, and JAN Tooltip Japanese Accepted Name, while gonadorelina is its DCIT Tooltip Denominazione Comune Italiana and gonadoréline is its DCF Tooltip Dénomination Commune Française. The diacetate salt is known as gonadorelin acetate and this is its USAN Tooltip United States Adopted Name, BANM Tooltip British Approved Name, and JAN Tooltip Japanese Accepted Name, while the hydrochloride salt is known as gonadorelin hydrochloride and this is its USAN Tooltip United States Adopted Name and BANM Tooltip British Approved Name. [2] [3] [5]

Brand names

Free alcohol gonadorelin has been sold under the brand names Cryptocur, Cystoréline, Fertagyl, [11] GnRH Serono, Gonadorelin, HRF, Kryptocur, LH-RH, Luforan, Pulstim, Relefact, Relisorm L, Stimu-LH, and Wyeth-Ayest HRF. [3] [5] Gonadorelin diacetate has been sold under the brand names Kryptocur, LHRH Ferring, Lutamin, Lutrelef, Lutrepulse, [12] Relisorm L, and Relisorm. [3] [5] GnRH hydrochloride has been sold under the brand names Factrel, [13] HRF, and Luforan. [3] [5] Additional brand names of gonadorelin and its salts include Acegon, Conceptyl, Cystorelin, Enagon, Equity Oestrus Control, Fertagyl Cattle, Fertiral, Gonabreed, Gonadorelin Interpharm, Gonasyn, Gonavet, [14] Hypocrine, Improvest, LH RH Tanabe, LHRH Ferring, LH-RH Ferring, LH-RH Tanabe, Oestracton, OvaCyst, Ovsynch, OVsynch, Ovurelin, Ovarelin, and Relefact LH-RH. [5] The majority of these brand names are for veterinary use. [3] [5]

Availability

Gonadorelin is available widely throughout the world for veterinary use, including in the United States, Canada, the United Kingdom, Ireland, elsewhere throughout Europe, South Africa, Australia, New Zealand, Japan, Taiwan. [3] [5] [15] However, gonadorelin is not available for clinical use in humans in the United States. [16]

See also

References

  1. 1 2 3 4 5 6 7 8 "Gonadorelin".
  2. 1 2 3 Elks J (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 745–. ISBN   978-1-4757-2085-3.
  3. 1 2 3 4 5 6 7 8 9 Index Nominum 2000: International Drug Directory. Taylor & Francis. 2000. pp. 499–. ISBN   978-3-88763-075-1.
  4. ↑ Morton IK, Hall JM (6 December 2012). Concise Dictionary of Pharmacological Agents: Properties and Synonyms. Springer Science & Business Media. pp. 136–. ISBN   978-94-011-4439-1.
  5. 1 2 3 4 5 6 7 8 9 10 11 "Gonadorelin injectable Uses, Side Effects & Warnings".
  6. ↑ Shao WM, Bai WJ, Chen YM, Liu L, Wang YJ (August 2014). "[Micropump infusion of gonadorelin in the treatment of hypogonadotropic hypogonadism in patients with pituitary stalk interruption syndrome: cases analysis and literature review]". Beijing da Xue Xue Bao. Yi Xue Ban = Journal of Peking University. Health Sciences (in Chinese). 46 (4): 642–645. PMID   25131486.
  7. 1 2 3 4 5 6 7 8 Köhn FM, Schill WB (17 July 2017). "Hormone Substitution in Male Infertility". In Allahbadia GN, Chawla MM, Das RB, Garcia EV, Gandhi G, Merchant R (eds.). The Art & Science of Assisted Reproductive Techniques (ART). JP Medical Ltd. pp. 731–. ISBN   978-93-86322-82-1.
  8. 1 2 3 4 Mokotoff M (2002). "Peptide and Protein Drugs". In Williams DA, Foye WO, Lemke TL (eds.). Foye's Principles of Medicinal Chemistry. Lippincott Williams & Wilkins. pp. 128–. ISBN   978-0-683-30737-5.
  9. ↑ Goodman LS, Gilman AD (January 1996). Goodman & Gilman's the Pharmacological Basis of Therapeutics. McGraw-Hill, Health Professions Division. p. 1379. ISBN   978-0-07-026266-9.
  10. ↑ Bain J, Moskowitz JP, Clapp JJ (1978). "LH and FSH response to gonadotropin releasing hormone (GnRH) in normospermic, oligospermic and azoospermic men". Archives of Andrology. 1 (2): 147–152. doi:10.3109/01485017808988331. PMID   367302.
  11. ↑ "Fertagyl for Animal Use". Drugs.com. 27 August 2025. Retrieved 30 October 2025.
  12. ↑ "Gonadorelin". Drugs.com. 5 October 2025. Retrieved 30 October 2025.
  13. ↑ "Factrel Advanced Patient Information". Drugs.com. 10 February 2025. Retrieved 30 October 2025.
  14. ↑ "Gonavet for Animal Use (Canada)". Drugs.com. 22 January 2024. Retrieved 30 October 2025.
  15. ↑ Sweetman SC, ed. (2009). "Sex hormones and their modulators". Martindale: The Complete Drug Reference (36th ed.). London: Pharmaceutical Press. pp. 2106–2108. ISBN   978-0-85369-840-1.
  16. ↑ "Drugs@FDA: FDA-Approved Drugs". FDA.gov. Archived from the original on 4 November 2016. Retrieved 30 December 2021.
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