16α-LE2
Synthetic estrogen
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16α-LE2 is a synthetic estrogen that has been studied for its potential use in hormone replacement therapy and contraception. It is a derivative of estradiol, one of the primary female sex hormones.
Chemical Structure[edit | edit source]
16α-LE2 is chemically known as (8R,9S,13S,14S,16R,17S)-16-ethynyl-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol. It has a molecular formula of C_20H_24O_2 and a molecular weight of 296.40 g/mol.
Pharmacology[edit | edit source]
As an estrogen, 16α-LE2 binds to and activates the estrogen receptors in various tissues, mimicking the effects of natural estrogens. This can lead to the regulation of the menstrual cycle, maintenance of bone density, and modulation of lipid metabolism.
Medical Uses[edit | edit source]
16α-LE2 has been investigated for its use in hormone replacement therapy (HRT) for menopausal women and as a component of combined oral contraceptive pills. Its efficacy and safety profile are subjects of ongoing research.
Side Effects[edit | edit source]
The side effects of 16α-LE2 are similar to those of other estrogens and may include nausea, breast tenderness, headache, and an increased risk of thromboembolism. Long-term use may also be associated with an increased risk of breast cancer and endometrial cancer.
Synthesis[edit | edit source]
The synthesis of 16α-LE2 involves the chemical modification of estradiol to introduce an ethynyl group at the 16α position. This modification enhances its oral bioavailability and prolongs its half-life.
Research[edit | edit source]
Ongoing research is focused on optimizing the pharmacokinetic properties of 16α-LE2 and evaluating its long-term safety and efficacy in various clinical settings.
See Also[edit | edit source]
References[edit | edit source]
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Contributors: Prab R. Tumpati, MD
