commit 70bca03ba30de3061b0e2e7d34e1705440015d0d Author: estelacrosslan Date: Tue May 27 01:45:09 2025 +0800 Add 'Oxandrolone Wikipedia' diff --git a/Oxandrolone-Wikipedia.md b/Oxandrolone-Wikipedia.md new file mode 100644 index 0000000..51524d6 --- /dev/null +++ b/Oxandrolone-Wikipedia.md @@ -0,0 +1,79 @@ +Oxandrolone Wikipedia +

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+ + +Oxandrolone +
Oxandrolone is an oral anabolic-androgenic steroid (AAS) used in medical settings to treat specific conditions and promote muscle growth. It belongs to the 17-alpha-alkylated class of steroids, enhancing protein synthesis and nitrogen retention.
+ +Medical uses +
It is prescribed for cachexia associated with HIV/AIDS, chronic wasting diseases, recovery from burns/surgery, and osteoporosis. It may also be used off-label to stimulate appetite or treat growth failure in children.
+ +Non-medical uses +
In bodybuilding and athletics, oxandrolone is abused for enhancing muscle mass and strength despite health risks. Its lower androgenic effects compared to other steroids make it a preferred choice among some users.
+ +Contraindications +
Absolute contraindications include hypersensitivity, severe liver disease, undiagnosed breast/prostate cancer, and pregnancy (Category X). Relative risks exist for cardiovascular issues or hormonal disorders.
+ +Side effects + +Hepatotoxicity: Jaundice, elevated liver enzymes +Androgenic effects: Acne, hirsutism, voice deepening (in females) +Circulatory: Thrombosis, hypertension +Endocrine: Testicular atrophy, menstrual irregularities + + +Interactions +
Potentiates effects of anticoagulants and insulin. Reduces efficacy of antiestrogens or aromatase inhibitors.
+ +Pharmacology + +Pharmacodynamics +
Binds to androgen receptors to stimulate muscle protein synthesis, increase red blood cell count via erythropoiesis, and promote bone growth in pediatric patients.
+ +Steroid configuration +
Methylated at carbon 17 for oral bioavailability. Contains a double bond (delta-9) reducing androgenicity compared to testosterone.
+ +Pharmacokinetics + + +Oral Bioavailability:60–80% +Bioactive metabolites:Oxandrolone-17β-carboxylic acid +Half-life:8–9 hours +Metabolism:Liver via CYP3A4 + + + +Chemistry +
Molecular formula: C20H28O2. Synthesized from dienedione precursors with a 17-methyl group for oral activity.
+ +History +
Developed by Searle in the 1950s as anabolic therapy. Approved by FDA in 1963 under brand name Oxandrin®. Widely studied in clinical trials for HIV-related weight loss during late-1980s AIDS epidemic.
+ +Society and culture +
In competitive sports, it is banned by WADA due to performance-enhancing properties. Public debates exist around its role in transgender hormone therapy versus doping risks.
+ +Generic names +
Oxandrolone (WHO INN), Oxanorol®.
+ +Brand names + +Oxandrin® (United States) +Palboral® (Europe) + + +Availability + +United States +
Sold as Oxandrin under prescription. Generic versions available since 2018 after patent expiration.
+ +Other countries +
Avaialble in pharmacies requiring doctor's approval across EU and Commonwealth nations. Black market trade prevalent in some regions.
+ +Legal status +
In the U.S., Schedule III under CSA (controlled substance). Internationally classified as a S4 drug under INCB treaties. Requires export/import permits under UN conventions.
+ +References +
Data compiled from FDA prescribing information, peer-reviewed journals, and clinical practice guidelines.
+ +External links +
National Library of Medicine Drug Portal ClinicalTrials.gov studies on HIV-associated wasting syndrome
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