May 30, 2017
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(etelcalcetide) Injection


PARSABIV (etelcalcetide) is a synthetic peptide calcium-sensing receptor agonist. Etelcalcetide is a white to off-white powder with a molecular formula of C38H73N21O10S2•xHCl(4 ≤ x ≤ 5) and a molecular weight of 1047.5 g/mol (monoisotopic; free base). It is soluble in water. The hydrochloride salt of etelcalcetide is described chemically as N-acetyl-D-cysteinyl-S-(L-cysteine disulfide)-D-alanyl-D-arginyl-D-arginyl-D-arginylD-alanyl-D-argininamide, hydrochloride.

PARSABIV™ (etelcalcetide) Structural Formula Illustration

PARSABIV (etelcalcetide) injection is supplied in a single-dose vial containing 5 mg/mL of etelcalcetide as a sterile, preservative-free, ready-to-use clear and colorless solution for intravenous injection. Each PARSABIV single-dose vial contains 2.5 mg etelcalcetide (equivalent to 2.88 mg etelcalcetide as hydrochloride salt) or 5 mg etelcalcetide (equivalent to 5.77 mg etelcalcetide as hydrochloride salt) or 10 mg etelcalcetide (equivalent to 11.54 mg etelcalcetide as hydrochloride salt). PARSABIV single-dose vial is formulated with 0.85% (w/v) sodium chloride, 10 mM succinic acid, and adjusted to pH 3.3 with sodium hydroxide and/or hydrochloric acid.

Last reviewed on RxList: 2/16/2017
This monograph has been modified to include the generic and brand name in many instances.

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