Menopur

Drug Description
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MENOPUR®
(menotropins) for Injection, USP

FOR SUBCUTANEOUS INJECTION

DRUG DESCRIPTION

Menopur® (menotropins for injection, USP) is a preparation of gonadotropins, extracted from the urine of postmenopausal women, which has undergone additional steps for purification. Each vial of Menopur® contains 75 International Units (IU) of follicle-stimulating hormone (FSH) activity and 75 IU of luteinizing hormone (LH) activity, plus 21 mg lactose monohydrate and 0.005 mg Polysorbate 20 and Sodium Phosphate Buffer (Sodium Phosphate Dibasic, Heptahydrate and Phosphoric Acid) in a sterile, lyophilized form intended for reconstitution with sterile 0.9% Sodium Chloride Injection, USP. Menopur® is administered by subcutaneous (SC) injection.

The biological activity of Menopur® is determined using the USP bioassays for FSH (ovarian weight gain assay in female rats) and LH (seminal vesicle weight gain assay in male rats), modified to increase the accuracy and reproducibility of these assays. The FSH and LH activity assays are standardized using the Fourth International Standard for Urinary FSH and Urinary LH, November 2000, by the Expert Committee on Biological Standardization of the World Health Organization (WHO ECBS). Human Chorionic Gonadotropin (hCG) is detected in Menopur®.

Both FSH and LH are glycoproteins that are acidic and water soluble.
Therapeutic class: Infertility.

Last updated on RxList: 2/25/2009

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