HRT, or Hormone Replacement Therapy, is a clinical intervention involving the exogenous administration of hormones to compensate for endogenous deficiencies, most commonly observed during menopause or in cases of primary hypogonadism. The objective is to alleviate symptoms associated with hormone withdrawal or insufficiency while mitigating long-term risks such as osteoporosis. It requires careful titration to mimic natural physiological patterns.
Origin
The acronym HRT originates from clinical endocrinology, standing for Hormone Replacement Therapy. This practice evolved significantly following the understanding of steroid hormone functions beyond reproduction, particularly in cardiovascular and skeletal health maintenance.
Mechanism
The mechanism involves introducing bioidentical or synthetic hormones, such as estrogens, progestins, or androgens, into the systemic circulation via various delivery routes. These administered molecules bind to target tissue receptors, activating gene transcription pathways similar to endogenous hormones. Successful therapy depends on achieving appropriate tissue-specific signaling without inducing supraphysiological stimulation in sensitive tissues.
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