Ozarelix

Ozarelix (developmental code names D-63153, SPI-153) is a peptide gonadotropin-releasing hormone antagonist (GnRH antagonist) which is or was under development by AEterna Zentaris Inc. and Spectrum Pharmaceuticals as a long-acting injection formulation for the treatment of prostate cancer.[1][2] It has also been investigated for the treatment of endometriosis, but no development has been reported.[1] The drug was previously under investigation for the treatment of benign prostatic hyperplasia and Alzheimer's disease as well, but development for these indications was discontinued.[1] As of June 2015, it was in phase II clinical trials for prostate cancer.[1] It seems to no longer be under development.[1]

Ozarelix
Clinical data
Other namesD-63153; SPI-153
Routes of
administration		Injection
Drug classGnRH modulator; GnRH antagonist; Antigonadotropin
Identifiers
IUPAC name
  • (2S)-1-[(2S)-2-[[(2S)-2-[[(2R)-2-[[(2S)-2-[[(2S)-2-[[(2R)-2-[[(2R)-2-[[(2R)-2-Acetamido-3-naphthalen-2-ylpropanoyl]amino]-3-(4-chlorophenyl)propanoyl]amino]-3-pyridin-3-ylpropanoyl]amino]-3-hydroxypropanoyl]-methylamino]-3-(4-hydroxyphenyl)propanoyl]amino]-6-(carbamoylamino)hexanoyl]amino]hexanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]-N-[(2R)-1-amino-1-oxopropan-2-yl]pyrrolidine-2-carboxamide
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
CompTox Dashboard (EPA)
ECHA InfoCard100.232.650
Chemical and physical data
FormulaC72H96ClN17O14
Molar mass1459.12 g·mol−1
3D model (JSmol)
SMILES
  • CCCC[C@@H](C(=O)N[C@@H](CCCN=C(N)N)C(=O)N1CCC[C@H]1C(=O)N[C@H](C)C(=O)N)NC(=O)[C@@H](CCCCNC(=O)N)NC(=O)[C@H](CC2=CC=C(C=C2)O)N(C)C(=O)[C@H](CO)NC(=O)[C@@H](CC3=CN=CC=C3)NC(=O)[C@@H](CC4=CC=C(C=C4)Cl)NC(=O)[C@@H](CC5=CC6=CC=CC=C6C=C5)NC(=O)C
InChI
  • InChI=1S/C72H96ClN17O14/c1-5-6-17-52(63(96)85-54(19-12-33-79-71(75)76)70(103)90-34-13-20-59(90)67(100)81-42(2)61(74)94)83-62(95)53(18-9-10-32-80-72(77)104)84-68(101)60(39-45-24-29-51(93)30-25-45)89(4)69(102)58(41-91)88-66(99)57(38-47-14-11-31-78-40-47)87-65(98)56(36-44-22-27-50(73)28-23-44)86-64(97)55(82-43(3)92)37-46-21-26-48-15-7-8-16-49(48)35-46/h7-8,11,14-16,21-31,35,40,42,52-60,91,93H,5-6,9-10,12-13,17-20,32-34,36-39,41H2,1-4H3,(H2,74,94)(H,81,100)(H,82,92)(H,83,95)(H,84,101)(H,85,96)(H,86,97)(H,87,98)(H,88,99)(H4,75,76,79)(H3,77,80,104)/t42-,52+,53-,54+,55-,56-,57-,58+,59+,60+/m1/s1
  • Key:KATZUZNTRINHDT-HALMFYTRSA-N

See also
  • Gonadotropin-releasing hormone receptor § Antagonists

References
  1. "Ozarelix - AdisInsight".
  2. Festuccia C, Dondi D, Piccolella M, Locatelli A, Gravina GL, Tombolini V, Motta M (2010). "Ozarelix, a fourth generation GnRH antagonist, induces apoptosis in hormone refractory androgen receptor negative prostate cancer cells modulating expression and activity of death receptors". Prostate. 70 (12): 1340–9. doi:10.1002/pros.21169. PMID 20623634. S2CID 2788093.



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