October 13, 2015
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(carfilzomib) Intraveneous Injection


Kyprolis (carfilzomib) is an antineoplastic agent available for intravenous use only. Kyprolis is a sterile, white to off-white lyophilized powder and is available as a single-dose vial. Each vial of Kyprolis contains 60 mg of carfilzomib, 3000 mg sulfobutyl ether beta-cyclodextrin, 57.7 mg citric acid, and sodium hydroxide for pH adjustment (target pH 3.5).

Carfilzomib is a modified tetrapeptidyl epoxide, isolated as the crystalline free base. The chemical name for carfilzomib is (2S)-N-((S)-1-((S)-4-methyl-1-((R)-2-methyloxiran- 2-yl)-1-oxopentan-2-ylcarbamoyl)-2-phenylethyl)-2-((S)-2-(2-morpholinoacetamido)- 4-phenylbutanamido)-4-methylpentanamide. Carfilzomib has the following structure:

KYPROLIS® (carfilzomib) Structural Formula Illustration

Carfilzomib is a crystalline substance with a molecular weight of 719.9. The molecular formula is C40H57N5O7. Carfilzomib is practically insoluble in water and very slightly soluble in acidic conditions.

Last reviewed on RxList: 9/15/2015
This monograph has been modified to include the generic and brand name in many instances.

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