The administration of androgens (male sex hormones) to supplement or replace endogenous production. It operates within the endocrine system, influencing male sexual characteristics, muscle mass, bone density, and mood. It’s relevant in conditions of androgen deficiency or specific therapeutic goals. Clinically important for managing hypogonadism in men, treating certain types of anemia, and in hormone replacement therapy. It can significantly impact quality of life by addressing symptoms of low testosterone. Androgens bind to intracellular androgen receptors, forming complexes that translocate to the nucleus and modulate gene expression, affecting protein synthesis and cellular function. This leads to effects on target tissues like muscle, bone, prostate, and brain. Prescribed for diagnosed androgen deficiency, often administered via injections, transdermal patches, gels, or oral formulations. Its use requires careful consideration of individual patient needs and potential risks. Monitored through serum testosterone levels (total and free), LH, FSH, PSA (prostate-specific antigen), hematocrit, and clinical assessment of symptoms such as libido, energy, and mood. Potential risks include polycythemia, acne, male pattern baldness, fluid retention, sleep apnea exacerbation, mood disturbances, and potential cardiovascular events. In women, it can cause virilization. It is contraindicated in men with prostate or breast cancer.
Context
Androgen therapy operates within the endocrine system, influencing male sexual characteristics, muscle mass, bone density, and mood. It is particularly relevant in clinical scenarios involving androgen deficiency or specific therapeutic objectives related to hormonal balance.
Significance
This therapy is clinically important for managing hypogonadism in men and treating certain types of anemia, significantly impacting patient quality of life by addressing symptoms of low testosterone. Its application requires careful consideration of individual patient needs.
Mechanism
Androgens bind to intracellular androgen receptors, forming complexes that translocate to the nucleus and modulate gene expression, thereby affecting protein synthesis and cellular function. This process influences target tissues such as muscle, bone, prostate, and the brain.
Application
Androgen therapy is prescribed for diagnosed androgen deficiency and is typically administered via injections, transdermal patches, gels, or oral formulations. The specific application is guided by individual patient requirements and medical supervision.
Metric
Monitoring involves serum testosterone levels (total and free), luteinizing hormone (LH), follicle-stimulating hormone (FSH), prostate-specific antigen (PSA), and hematocrit. Clinical assessment of symptoms like libido, energy, and mood also plays a vital role.
Risk
Potential risks associated with androgen therapy include polycythemia, acne, male pattern baldness, fluid retention, sleep apnea exacerbation, mood disturbances, and potential cardiovascular events. In women, virilization can occur. It is contraindicated in men with prostate or breast cancer.
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