Letrozole, ua lag luam nyob rau hauv lub npe hom Femara, yog ib qho tshuaj feem ntau siv hauv kev kho mob hormonally-responsive mis tom qab phais. Nws belongs rau ib chav kawm ntawm cov tshuaj hu ua aromatase inhibitors, uas ua haujlwm los ntawm kev txo cov tshuaj estrogen hauv lub cev. Estrogen tuaj yeem txhawb kev loj hlob ntawm qee cov qog nqaij hlav cancer ntawm lub mis, yog li txo qis nws cov qib tuaj yeem pab tiv thaiv kev mob qog noj ntshav.
Letrozole ua haujlwm los ntawm inhibiting enzyme aromatase, uas yog koom nrog hauv kev tsim cov tshuaj estrogen hauv cov poj niam postmenopausal. Los ntawm kev thaiv cov enzyme no, Letrozole ua tau zoo txo qis cov tshuaj estrogen, yog li ua kom qeeb lossis nres kev loj hlob ntawm cov tshuaj estrogen receptor-zoo mob qog noj ntshav mis. Nws yog tshwj xeeb yog siv nyob rau hauv cov poj niam postmenopausal vim hais tias lawv thawj qhov chaw ntawm estrogen yog los ntawm kev hloov ntawm androgens rau estrogen los ntawm aromatase enzyme, es tsis yog zes qe menyuam zus.
Cov tshuaj feem ntau yog siv rau qhov ncauj, nrog rau qhov ntau npaum li 2.5 mg ib hnub ib zaug. Kev kho mob nrog Letrozole tuaj yeem kav ntev li ob peb xyoos, feem ntau tsib xyoos, ua ib feem ntawm kev kho mob ntxiv kom txo tau txoj kev pheej hmoo ntawm mob qog noj ntshav ntawm lub mis. Nws kuj tseem tuaj yeem siv rau hauv kev mob qog noj ntshav mis metastatic thiab qee zaum ua kev kho mob fertility los ntxias ovulation.
Cov kev mob tshwm sim ntawm Letrozole muaj xws li kub flashes, mob pob qij txha, qaug zog, thiab tawm hws ntau ntxiv. Cov kev mob tshwm sim loj dua tab sis tsis tshua muaj tshwm sim tuaj yeem suav nrog kev mob pob txha thiab cov teeb meem plawv, vim tias lub sijhawm ntev ntawm cov tshuaj estrogen hauv lub cev. Kev saib xyuas tsis tu ncua los ntawm cov kws kho mob yog tsim nyog los tswj thiab txo cov kev mob tshwm sim no.
Letrozole tau txhim kho cov txiaj ntsig zoo rau ntau tus neeg mob qog noj ntshav mis, muab kev xaiv zoo rau cov tshuaj hormone receptor-zoo. Nws lub luag haujlwm hauv kev kho mob qog noj ntshav mis qhia txog qhov tseem ceeb ntawm kev kho mob uas hais txog cov txheej txheem tshwj xeeb uas ua rau muaj mob qog noj ntshav.
https://www.hormonerawsource.com/steroid-finished/steroid-finished-tablets/live-well-letrozole-femara-cas-112809-51-5.html
