Menotropin: Overview and Key Information
Identification Menotropins is a purified combination of human luteinizing hormone (LH) and follicle-stimulating hormone (FSH). It is primarily used in the treatment of female infertility. The drug is marketed under the brand name Menopur.
Composition and Structure Menotropins are derived from the urine of postmenopausal women, containing both LH and FSH. The composition includes:
- LH: Composed of two subunits, with an alpha chain consisting of 92 residues and a beta chain consisting of 121 residues.
- FSH: Also composed of two subunits, with an alpha chain consisting of 92 residues and a beta chain consisting of 111 residues.
The chemical formula for Menotropins is C1014H1609N287O294S27, with an average molecular weight of approximately 23,390.3 Da.
Mechanism of Action Menotropins function by binding to specific receptors in the ovaries:
- FSH binds to the follicle-stimulating hormone receptor (FSHR), promoting ovarian follicular growth and development.
- LH binds to the luteinizing hormone receptor (LHCGR), stimulating gonadal steroid production.
This dual action helps induce ovulation in women who lack sufficient endogenous LH levels, facilitating late follicular maturation and triggering ovulation.
Pharmacodynamics The pharmacological effects include stimulation of late follicular maturation, resumption of oocyte meiosis, and initiation of pre-ovulatory follicle rupture. These actions occur in the absence of an endogenous LH surge.
Indications Menotropins are indicated for use in female infertility treatments, particularly for women undergoing assisted reproductive technologies such as in vitro fertilization (IVF).
Adverse Effects While specific adverse effects are not detailed in the provided information, like any medication, Menotropins may carry risks that should be discussed with a healthcare provider prior to use.
Drug Interactions Currently, no significant drug interactions have been reported for Menotropins; however, patients should always consult their healthcare provider regarding potential interactions with other medications they may be taking.
In summary, Menotropins are essential for treating female infertility by providing necessary hormones that stimulate ovarian function and promote ovulation.
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