August 30, 2015
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ChiRhoStim

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ChiRhoStim

ChiRhoStim®
(Human Secretin) Injection, lyophilized powder for intravenous use, 16 mcg and 40 mcg vials

DRUG DESCRIPTION

Human secretin is a gastrointestinal peptide hormone produced by cells in the duodenum in response to acidification. ChiRhoStim® (human secretin as the acetate) is a purified synthetic peptide with an amino acid sequence identical to the naturally occurring hormone. Synthetic human secretin is chemically defined as follows:

Molecular Weight 3039.44
Empirical Formula: C130H220N44O39
CAS # 108153-74-8

Structural Formula:
His-Ser-Asp-Gly-Thr-Phe-Thr-Ser-Glu-Leu-Ser-Arg-Leu-Arg-Glu-Gly-Ala-Arg-Leu-Gln-Arg-Leu-Leu-Gln-Gly-Leu-Val-NH2

ChiRhoStim® (human secretin) is available in two strengths:

  • As a 10 ml vial which contains 16 mcg of purified synthetic human secretin, 1.5 mg of L-cysteine hydrochloride, 20 mg of mannitol, and 9 mg of sodium chloride. When reconstituted in 8 mL of Sodium Chloride Injection USP, each mL of solution contains 2 mcg synthetic human secretin for intravenous use. The pH of the reconstituted solution has a range of 3 to 6.5.
  • As a 10 ml vial which contains 40 mcg of purified synthetic human secretin, 3.75 mg of L-cysteine hydrochloride, 50 mg of mannitol, and 22.5 mg of sodium chloride per vial. When reconstituted in 10 mL of Sodium Chloride Injection USP, each mL of solution contains 4 mcg synthetic human secretin for intravenous use. The pH of the reconstituted solution has a range of 3 to 6.5.

Last reviewed on RxList: 7/17/2007
This monograph has been modified to include the generic and brand name in many instances.

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