Article · Wikipedia archive · Last revised Jul 18, 2026

Fertirelin

Fertirelin, or fertirelin acetate, sold under the brand name Ovalyse, is a gonadotropin-releasing hormone agonist which has been marketed in the United Kingdom and Austria. It may no longer be available. Fertirelin has been used in veterinary medicine. It may have been used in the treatment of sex hormone-dependent conditions and infertility in women. The drug was first introduced in 1981 in Japan to treat various kinds of ovarian failure in cattle. Fertirelin is a synthetic peptide and GnRH analogue. It is used as the acetate salt.

Last revised
Jul 18, 2026
Read time
≈ 1 min
Length
238 w
Citations
10
Source
Fertirelin
Clinical data
Trade namesOvalyse
Other namesTAP-031; U-69689; 9-(N-Ethyl-L-prolinamide)-10-deglycinamide; 9-(N)-Et-ProNH2-10-des-GlyNH2-LHRH; Pyr-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-NHEt
Drug classGnRH analogue; GnRH agonist; Antigonadotropin
ATCvet code
Identifiers
  • (2S)-N-[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[2-[[(2S)-1-[[(2S)-5-(diaminomethylideneamino)-1-[(2S)-2-(ethylcarbamoyl)pyrrolidin-1-yl]-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
ChemSpider
UNII
KEGG
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.164.570
Chemical and physical data
FormulaC55H76N16O12
Molar mass1153.313 g·mol−1
3D model (JSmol)
  • CCNC(=O)[C@@H]1CCCN1C(=O)[C@H](CCCN=C(N)N)NC(=O)[C@H](CC(C)C)NC(=O)CNC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@H](CO)NC(=O)[C@H](Cc1c[nH]c2ccccc12)NC(=O)[C@H](Cc1cnc[nH]1)NC(=O)[C@@H]1CCC(=O)N1
  • InChI=1S/C55H76N16O12/c1-4-59-53(82)44-12-8-20-71(44)54(83)38(11-7-19-60-55(56)57)66-49(78)39(21-30(2)3)65-46(75)27-62-47(76)40(22-31-13-15-34(73)16-14-31)67-52(81)43(28-72)70-50(79)41(23-32-25-61-36-10-6-5-9-35(32)36)68-51(80)42(24-33-26-58-29-63-33)69-48(77)37-17-18-45(74)64-37/h5-6,9-10,13-16,25-26,29-30,37-44,61,72-73H,4,7-8,11-12,17-24,27-28H2,1-3H3,(H,58,63)(H,59,82)(H,62,76)(H,64,74)(H,65,75)(H,66,78)(H,67,81)(H,68,80)(H,69,77)(H,70,79)(H4,56,57,60)/t37-,38-,39-,40-,41-,42-,43-,44-/m0/s1
  • Key:DGCPIBPDYFLAAX-YTAGXALCSA-N

Fertirelin, or fertirelin acetate, sold under the brand name Ovalyse, is a gonadotropin-releasing hormone agonist (GnRH agonist) which has been marketed in the United Kingdom and Austria.123 It may no longer be available.4 Fertirelin has been used in veterinary medicine.2 It may have been used in the treatment of sex hormone-dependent conditions and infertility in women.3 The drug was first introduced in 1981 in Japan to treat various kinds of ovarian failure in cattle.5 Fertirelin is a synthetic peptide and GnRH analogue.12 It is used as the acetate salt.2

See also

See also

References

References

  1. Elks J (14 November 2014). The Dictionary of Drugs: Chemical Data: Chemical Data, Structures and Bibliographies. Springer. pp. 549–. ISBN 978-1-4757-2085-3.
  2. Index Nominum 2000: International Drug Directory. Taylor & Francis. 2000. pp. 441–. ISBN 978-3-88763-075-1.
  3. Morton IK, Hall JM (6 December 2012). Concise Dictionary of Pharmacological Agents: Properties and Synonyms. Springer Science & Business Media. pp. 120–. ISBN 978-94-011-4439-1.
  4. "List of Gonadotropin releasing hormones". Drugs.com.
  5. Okada J, Seo T, Kasahara F, Takeda K, Kondo S (February 1991). "New degradation product of des-Gly10-NH2-LH-RH-ethylamide (fertirelin) in aqueous solution". Journal of Pharmaceutical Sciences. 80 (2): 167–170. doi:10.1002/jps.2600800217. PMID 2051323.