Letrozole yog cov tshuaj uas feem ntau siv los kho qee yam mob qog noj ntshav hauv cov poj niam tom qab yug menyuam. Nws belongs rau ib chav kawm ntawm cov tshuaj hu ua aromatase inhibitors. Aromatase inhibitors ua haujlwm los ntawm kev thaiv cov enzyme aromatase, uas yog lub luag haujlwm rau hloov androgens (hormones tsim los ntawm cov qog adrenal) rau hauv cov tshuaj estrogen (ib tug poj niam txiv neej hormone) hauv lub cev.
Mob qog noj ntshav mis tuaj yeem nkag siab rau cov tshuaj estrogen, thiab qee zaum, estrogen tuaj yeem txhawb kev loj hlob ntawm cov qog nqaij hlav cancer. Los ntawm inhibiting aromatase thiab txo cov tshuaj estrogen hauv lub cev, letrozole tuaj yeem pab qeeb lossis nres qhov kev loj hlob ntawm estrogen-sensitive mis qog.
Letrozole feem ntau yog muab los ua ib feem ntawm kev kho mob ntxiv (kev kho mob tom qab kev kho thawj zaug, xws li kev phais) lossis kev kho mob qog nqaij hlav cancer mis (mob qog noj ntshav uas tau kis mus rau lwm qhov hauv lub cev). Nws kuj tseem siv tau rau qee qhov kev kho mob fertility, tshwj xeeb tshaj yog rau cov poj niam uas muaj polycystic zes qe menyuam syndrome (PCOS) uas tab tom sim cev xeeb tub, vim nws tuaj yeem ua rau ovulation.
Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias letrozole yuav tsum tsuas yog siv raws li kev qhia thiab kev saib xyuas ntawm tus kws kho mob, vim nws muaj cov lus qhia tshwj xeeb thiab cov kev mob tshwm sim uas yuav tsum tau ua tib zoo saib xyuas thaum kho.
