Methenmadinone acetate: Difference between revisions

Latest revision as of 16:33, 16 February 2025

Methenmadinone Acetate[edit]

Methenmadinone acetate (MMA) is a synthetic progestin of the 19-norprogesterone group. It is used in hormonal contraception and hormone replacement therapy.

Chemical Structure and Properties[edit]

Methenmadinone acetate is a derivative of progesterone, specifically a 19-norprogesterone. Its chemical structure is characterized by the presence of an acetate group, which enhances its bioavailability and pharmacokinetics. The molecular formula of methenmadinone acetate is C23H30O4.

Mechanism of Action[edit]

As a progestin, methenmadinone acetate acts on the progesterone receptors in the body. It mimics the effects of natural progesterone, leading to changes in the endometrium that prevent ovulation and alter the cervical mucus to inhibit sperm penetration.

Clinical Uses[edit]

Methenmadinone acetate is primarily used in contraceptive formulations. It is also utilized in hormone replacement therapy for menopausal symptoms and in the treatment of certain gynecological disorders.

Side Effects[edit]

Common side effects of methenmadinone acetate include nausea, headache, breast tenderness, and mood changes. Long-term use may be associated with an increased risk of thromboembolic events and breast cancer.

Pharmacokinetics[edit]

Methenmadinone acetate is administered orally and is well absorbed from the gastrointestinal tract. It undergoes extensive hepatic metabolism and is excreted primarily in the urine.

Related Compounds[edit]

Methenmadinone acetate is related to other 19-norprogesterone derivatives such as medroxyprogesterone acetate and norethisterone. These compounds share similar mechanisms of action but differ in their pharmacokinetic profiles and clinical applications.

Related Pages[edit]

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-'''Methenmadinone acetate''' is a [[steroidal antiandrogen]] that was never marketed. It is a [[synthetic]] and [[orally active]] [[anabolic–androgenic steroid]] (AAS) and a [[17α-alkylated]] [[derivative]] of [[nandrolone]] (19-nortestosterone). Methenmadinone acetate is related to other 17α-alkylated AAS such as [[ethylestrenol]] and [[noretynodrel]].
+== Methenmadinone Acetate ==
-==Pharmacology==
+[[File:Methenmadinone_acetate.svg|thumb|right|Chemical structure of Methenmadinone acetate]]
-As a [[steroidal antiandrogen]], methenmadinone acetate is a [[competitive antagonist]] of the [[androgen receptor]] (AR), the biological target of [[androgens]] like [[testosterone]] and [[dihydrotestosterone]] (DHT). It competes with these androgens for binding to the AR and thereby prevents them from exerting their biological effects in the body.
-==Chemistry==
+'''Methenmadinone acetate''' (MMA) is a synthetic [[progestin]] of the 19-norprogesterone group. It is used in [[hormonal contraception]] and [[hormone replacement therapy]].
-Methenmadinone acetate, also known as 17α-methyl-19-nor-δ1-testosterone 17β-acetate, is a [[synthetic]] [[estrane]] steroid and a [[derivative]] of [[testosterone]]. It is more specifically a derivative of [[nandrolone]] (19-nortestosterone) and is a member of the [[estrane]] (C18 steroid) group of AAS. Methenmadinone acetate is the 17α-methylated variant of [[nandrolone]] and the acetate [[ester]] of methenmadinone.
-==History==
+== Chemical Structure and Properties ==
-Methenmadinone acetate was first described in the literature in 1965. It was never marketed for medical use.
-==See also==
+Methenmadinone acetate is a derivative of [[progesterone]], specifically a 19-norprogesterone. Its chemical structure is characterized by the presence of an acetate group, which enhances its [[bioavailability]] and [[pharmacokinetics]]. The molecular formula of methenmadinone acetate is C23H30O4.
-* [[List of steroidal antiandrogens]]
-* [[List of androgens/anabolic steroids]]
-{{Steroidal antiandrogens}}
+== Mechanism of Action ==
-{{Androgens and anabolic steroids}}
-[[Category:Steroidal antiandrogens]]
+As a progestin, methenmadinone acetate acts on the [[progesterone receptor]]s in the body. It mimics the effects of natural progesterone, leading to changes in the [[endometrium]] that prevent [[ovulation]] and alter the cervical mucus to inhibit [[sperm]] penetration.
-[[Category:Androgens and anabolic steroids]]
-[[Category:Abandoned drugs]]
+== Clinical Uses ==
-[[Category:Acetate esters]]
-[[Category:Androstanes]]
+Methenmadinone acetate is primarily used in [[contraceptive]] formulations. It is also utilized in [[hormone replacement therapy]] for [[menopausal]] symptoms and in the treatment of certain [[gynecological disorders]].
-[[Category:Ketones]]
-[[Category:Prodrugs]]
+== Side Effects ==
-{{medicine-stub}}
+Common side effects of methenmadinone acetate include [[nausea]], [[headache]], [[breast tenderness]], and [[mood changes]]. Long-term use may be associated with an increased risk of [[thromboembolic events]] and [[breast cancer]].
+== Pharmacokinetics ==
+Methenmadinone acetate is administered orally and is well absorbed from the [[gastrointestinal tract]]. It undergoes extensive [[hepatic metabolism]] and is excreted primarily in the urine.
+== Related Compounds ==
+Methenmadinone acetate is related to other 19-norprogesterone derivatives such as [[medroxyprogesterone acetate]] and [[norethisterone]]. These compounds share similar mechanisms of action but differ in their pharmacokinetic profiles and clinical applications.
+== Related Pages ==
+* [[Progestin]]
+* [[Hormonal contraception]]
+* [[Hormone replacement therapy]]
+* [[Progesterone]]
+{{Progestogens}}
+[[Category:Progestogens]]
+[[Category:Contraception]]
+[[Category:Hormone replacement therapy]]