Etelcalcetide

Etelcalcetide (formerly velcalcetide, trade name Parsabiv) is a calcimimetic drug for the treatment of secondary hyperparathyroidism in patients undergoing hemodialysis. It is administered intravenously at the end of each dialysis session. Etelcalcetide functions by binding to and activating the calcium-sensing receptor in the parathyroid gland. Parsabiv is currently owned by Amgen and Ono Pharmaceuticals in Japan.

Etelcalcetide
Clinical data
Trade namesParsabiv
Other namesVelcalcetide, telcalcetide, AMG-416, KAI-4169, ONO-5163
AHFS/Drugs.comUK Drug Information
License data
Routes of
administration		Intravenous injection
ATC code
Legal status
Legal status
Pharmacokinetic data
Elimination half-life3–5 days in dialysis patients
Excretion60% in dialysate, 7% in urine and faeces
Identifiers
  • (6R,9R,12R,15R,18R,21R,24S,29R)-24-Acetamido-1,29-diamino-12,15,18-tris(3-carbamimidamidopropyl)-6-carbamoyl-1-imino-9,21-dimethyl-8,11,14,17,20,23-hexaoxo-26,27-dithia-2,7,10,13,16,19,22-heptaazatria contan-30-oic acid
CAS Number
PubChem CID
ChemSpider
UNII
KEGG
CompTox Dashboard (EPA)
Chemical and physical data
FormulaC38H73N21O10S2
Molar mass1048.26 g·mol−1
3D model (JSmol)
  • C[C@H](C(=O)N[C@H](CCCNC(=N)N)C(=O)N)NC(=O)[C@@H](CCCNC(=N)N)NC(=O)[C@@H](CCCNC(=N)N)NC(=O)[C@@H](CCCNC(=N)N)NC(=O)[C@@H](C)NC(=O)[C@@H](CSSC[C@@H](C(=O)O)N)NC(=O)C
  • InChI=1S/C38H73N21O10S2/c1-18(28(62)56-22(27(40)61)8-4-12-49-35(41)42)53-30(64)23(9-5-13-50-36(43)44)58-32(66)25(11-7-15-52-38(47)48)59-31(65)24(10-6-14-51-37(45)46)57-29(63)19(2)54-33(67)26(55-20(3)60)17-71-70-16-21(39)34(68)69/h18-19,21-26H,4-17,39H2,1-3H3,(H2,40,61)(H,53,64)(H,54,67)(H,55,60)(H,56,62)(H,57,63)(H,58,66)(H,59,65)(H,68,69)(H4,41,42,49)(H4,43,44,50)(H4,45,46,51)(H4,47,48,52)/t18-,19-,21+,22-,23-,24-,25-,26-/m1/s1
  • Key:ANIAZGVDEUQPRI-ZJQCGQFWSA-N
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