
Letrozole (Femara) Pills CAS: 112809-51-5
Letrozole yog siv los kho mob cancer ntawm lub mis thaum ntxov rau cov poj niam uas tau dhau los lawm (hloov lub neej; kawg ntawm kev coj khaub ncaws txhua hli) thiab cov uas tau muaj lwm yam kev kho mob, xws li hluav taws xob lossis kev phais kom tshem tawm cov qog. Nws kuj tseem siv los kho mob qog noj ntshav thaum ntxov hauv cov poj niam uas muaj kev mob ntshav qab zib thiab cov uas twb tau kho nrog cov tshuaj hu ua tamoxifen (Nolvadex) tau 5 xyoos.
Letrozole yog siv los kho mob cancer ntawm lub mis thaum ntxov rau cov poj niam uas tau dhau los lawm (hloov lub neej; kawg ntawm kev coj khaub ncaws txhua hli) thiab cov uas tau muaj lwm yam kev kho mob, xws li hluav taws xob lossis kev phais kom tshem tawm cov qog. Nws kuj tseem siv los kho mob qog noj ntshav thaum ntxov hauv cov poj niam uas muaj kev mob ntshav qab zib thiab cov uas twb tau kho nrog cov tshuaj hu ua tamoxifen (Nolvadex) tau 5 xyoos. Letrozole kuj tseem siv tau rau cov poj niam uas tau dhau los ua poj niam ua ntej kev kho mob cancer mis uas tau kis hauv lub mis lossis mus rau lwm qhov ntawm lub cev lossis hauv cov poj niam uas mob qog noj ntshav mis tau hnyav zuj zus thaum lawv noj tamoxifen. Letrozole yog nyob rau hauv ib chav kawm ntawm cov tshuaj hu ua nonsteroidal aromatase inhibitors. Nws ua haujlwm los ntawm kev txo qis cov tshuaj estrogen uas tsim los ntawm lub cev. Qhov no tuaj yeem ua rau qeeb lossis nres qhov kev loj hlob ntawm qee hom qog nqaij hlav cancer mis uas xav tau tshuaj estrogen kom loj hlob.
Femara txo qis cov tshuaj estrogen hauv cov poj niam postmenopausal, uas yuav ua rau qeeb ntawm qee hom qog mis uas xav tau tshuaj estrogen loj hlob hauv lub cev.
Femara yog siv los kho mob qog noj ntshav hauv cov poj niam postmenopausal. Nws feem ntau muab rau cov poj niam uas tau noj tamoxifen (Nolvadex, Soltamox) rau 5 xyoos.

Kuv yuav tsum tau ceev faj tshwj xeeb dab tsi?
Ua ntej noj letrozole,
● Qhia rau koj tus kws kho mob thiab tus kws muag tshuaj yog tias koj ua xua rau letrozole, lwm yam tshuaj, lossis ib qho ntawm cov khoom xyaw hauv cov ntsiav tshuaj letrozole. Nug koj tus kws muag tshuaj kom paub cov npe ntawm cov khoom xyaw.
● Qhia rau koj tus kws kho mob thiab tus kws muag tshuaj seb lwm yam tshuaj noj thiab tshuaj tsis yog tshuaj, cov vitamins, tshuaj noj, thiab tshuaj ntsuab uas koj noj lossis npaj yuav noj. Nco ntsoov hais txog ib qho ntawm cov hauv qab no: cov tshuaj uas muaj cov tshuaj estrogen xws li tshuaj hormone hloov kho (HRT) thiab cov tshuaj tiv thaiv hormonal (cov tshuaj tiv thaiv yug menyuam, thaj ua rau thaj, lub nplhaib, thiab txhaj tshuaj); raloxifene (Evista); thiab tamoxifen (Nolvadex).
● Qhia rau koj tus kws kho mob yog tias koj muaj cov roj (cholesterol) siab, mob pob txha (qhov mob uas cov pob txha tawg thiab tawg yooj yim), lossis kab mob siab.
● Koj yuav tsum paub tias letrozole tsuas yog yuav tsum tau noj los ntawm cov poj niam uas tau dhau los lawm thiab tsis tuaj yeem xeeb tub. Txawm li cas los xij, yog tias koj cev xeeb tub lossis pub niam mis, koj yuav tsum qhia koj tus kws kho mob ua ntej koj pib noj cov tshuaj no. Letrozole tuaj yeem ua mob rau tus menyuam hauv plab.
● Koj yuav tsum paub tias letrozole tuaj yeem ua rau koj tsaug zog. Tsis txhob tsav tsheb lossis siv cov tshuab kom txog thaum koj paub tias cov tshuaj no cuam tshuam rau koj li cas.
Cov ntaub ntawv siv tshuaj
Ib txwm siv rau cov neeg laus koob tshuaj rau mob cancer mis:
Rau kev siv ua thawj kab kev kho mob ntawm cov poj niam postmenopausal nrog cov tshuaj hormone receptor zoo lossis cov tshuaj hormone receptor tsis paub hauv zos qib siab lossis mob qog noj ntshav metastatic. Femara kuj tau qhia rau kev kho mob qog noj ntshav siab tshaj plaws hauv cov poj niam tom qab yug menyuam uas muaj kab mob tshwm sim tom qab kev kho tshuaj antiestrogen: 2.5 mg ntsiav tshuaj noj ib hnub ib zaug yam tsis xav txog kev noj zaub mov.
Hauv cov neeg mob uas muaj tus kab mob siab heev, Letrozole txoj kev kho yuav tsum txuas ntxiv mus kom txog thaum pom cov qog nqaij hlav.
Ib txwm siv rau cov neeg laus koob tshuaj rau lub mis Cancer - Adjuvant:
Rau kev siv ntxiv rau kev kho mob qog noj ntshav thaum ntxov hauv cov poj niam postmenopausal uas tau txais 5 xyoos ntawm kev kho tamoxifen: 2.5 mg ntsiav tshuaj noj ib hnub ib zaug tsis hais txog pluas noj.
Lub sijhawm zoo ntawm kev kho mob nrog Femara tsis paub. Kev kho mob yuav tsum tau txiav tawm yog tias muaj cov qog rov qab.
Cov ntaub ntawv dav dav
Femara (letrozole) yog ib qho aromatase inhibitor.
Femara yog qhia tshwj xeeb rau cov hauv qab no:
● Kev kho mob ntawm cov poj niam postmenopausal nrog cov tshuaj hormone receptor zoo thaum ntxov mob qog noj ntshav
● Kev kho mob ntxiv rau kev kho mob cancer mis thaum ntxov hauv cov poj niam postmenopausal, uas tau txais 5 xyoos ntawm kev kho mob tamoxifen
● Kev kho thawj kab ntawm cov poj niam postmenopausal nrog cov tshuaj hormone receptor zoo los yog tsis paub, hauv zos qib siab lossis mob qog nqaij hlav cancer mis.
● Rau kev kho mob qog noj ntshav siab tshaj plaws hauv cov poj niam postmenopausal nrog cov kab mob kev loj hlob tom qab kev kho mob antiestrogen
Femara yog muab los ua cov ntsiav tshuaj rau kev tswj qhov ncauj. Qhov pom zoo koob tshuaj Femara yog ib ntsiav tshuaj 2.5 mg ib hnub ib zaug, tsis hais txog zaub mov. Nyob rau hauv lub adjuvant thiab txuas ntxiv adjuvant chaw, lub sij hawm zoo ntawm kev kho mob nrog Femara tsis paub. Hauv cov neeg mob uas muaj tus kab mob siab heev, kev kho mob nrog Femara yuav tsum txuas ntxiv mus txog thaum pom cov qog nqaij hlav.
Kev tshawb fawb
Cov tshuaj antiestrogen ntawm letrozole tau pom tias muaj txiaj ntsig zoo hauv kev kho ua ntej rau kev txiav cev xeeb tub, ua ke nrog misoprostol. Nws tuaj yeem siv rau qhov chaw ntawm mifepristone, uas yog kim thiab tsis muaj nyob hauv ntau lub tebchaws.
Letrozole qee zaum siv los kho gynecomastia, txawm hais tias nws yog qhov zoo tshaj plaws ntawm qhov no yog tias ntes tau nyob rau theem pib (xws li hauv cov neeg siv cov tshuaj anabolic steroids).
Qee cov kev tshawb fawb tau pom tias letrozole tuaj yeem siv los txhawb cov spermatogenesis hauv cov txiv neej cov neeg mob uas tsis muaj kev cuam tshuam azoospermia.
Letrozole kuj tau pom tias ncua kev sib txuas ntawm cov phiaj loj hlob hauv cov nas. Thaum siv ua ke nrog kev loj hlob hormone, letrozole tau pom tias muaj txiaj ntsig zoo hauv ib tus tub hluas nrog lub cev luv.
Letrozole kuj tau siv los kho endometriosis.
Endometrial stromal sarcomas yog hormonally rhiab hlav qog raws li nws yog sawv cev tias letrozole txo cov ntshav estrogen. Letrozole yog qhov ua tau zoo thiab yog qhov kev xaiv zoo rau kev tswj hwm tus kab mob no mus ntev. Tsis tas li ntawd nyob rau hauv kev tshawb fawb ntawm Uterine myoma qhov ntim tau ua tiav zoo los ntawm kev siv cov aromatase inhibitor. Kev pib sai sai ntawm kev nqis tes ua thiab zam qhov pib ntawm gonadotropin flare nrog ib qho aromatase inhibitor.
Letrozole tau raug sau tseg kom muaj kev nyab xeeb thiab muaj txiaj ntsig zoo rau kev txhim kho qhov siab thiab pubertal cov txiaj ntsig hauv cov menyuam yaus nyob nrog kev cai lij choj qeeb hauv kev loj hlob thiab kev puberty, thiab zoo dua li testosterone hais txog kev txhim kho hauv cov qe ntshav thiab ncua cov pob txha muaj hnub nyoog. Qhov no tau sau tseg hauv kev tshuaj ntsuam meta-tshaj tawm los ntawm Dutta li al. uas txheeb xyuas cov ntaub ntawv los ntawm 7 qhov sib txawv randomized tswj kev sim.
Cov ntaub ntawv kho mob
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Cov npe lag luam |
Femara |
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CAS |
112809-51-5 |
|
Molar loj |
285.310 |
|
MF |
C17H11N5 |
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Purity |
Tshaj 98% |
|
Yam khoom |
2.5 mg x 100 |
Txhua yam kev xav tau, thov hu rau peb
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Letrozole puas txhim kho qe zoo?
Letrozole yog ib yam tshuaj uas feem ntau siv los ua kom ovulation rau cov poj niam uas muaj teeb meem fertility, tshwj xeeb tshaj yog nyob rau hauv cov neeg uas muaj polycystic zes qe menyuam syndrome (PCOS) los yog unexplained infertility. Thaum Letrozole tsis yog tsim tshwj xeeb los txhim kho qe zoo, nws tsis ncaj qha tuaj yeem cuam tshuam zoo rau qe zoo hauv qee kis.
Nov yog yuav ua li cas Letrozole tuaj yeem pab txhawb lub qe zoo:
Kev tswj hwm cov tshuaj hormones: Letrozole ua haujlwm los ntawm inhibiting cov tshuaj estrogen hauv lub cev. Qhov kev txo qis hauv estrogen tuaj yeem ua rau muaj kev nce qib hauv follicle-stimulating hormone (FSH), uas tuaj yeem pab txhawb kev loj hlob thiab kev loj hlob ntawm follicles (muaj qe) hauv zes qe menyuam. Qhov no yuav ua rau muaj kev xaiv cov qe noj qab nyob zoo thiab paub tab ntau dua, uas ua rau cov qe zoo dua qub.
Txhim kho ovulation: Cov poj niam uas muaj kev coj khaub ncaws tsis tu ncua lossis anovulation (tsis muaj ovulation) tej zaum yuav muaj qe qis dua vim yog qhov tsis txaus ntawm hormonal. Los ntawm kev txhawb nqa ovulation tsis tu ncua, Letrozole tuaj yeem pab xyuas kom cov qe tso tawm ntawm txoj kev loj hlob, uas tuaj yeem txhim kho qe zoo.
Txo kev sib tw ntawm cov Follicles: Qee zaum, Letrozole tuaj yeem txo cov follicles uas tshwm sim thaum lub sij hawm kho mob piv rau lwm cov tshuaj ovulation-inducing xws li Clomid. Qhov no tuaj yeem tso cai rau lub cev los faib cov peev txheej ntau dua rau cov follicles tsawg, uas tuaj yeem txhim kho tag nrho cov qe zoo hauv cov follicles.
Nws tseem ceeb heev uas yuav tsum nco ntsoov tias thaum Letrozole tuaj yeem muaj txiaj ntsig zoo rau lub qe zoo rau qee tus neeg, nws yuav tsis zoo rau txhua tus. Qe zoo tuaj yeem cuam tshuam los ntawm ntau yam, suav nrog hnub nyoog, mob hauv qab, thiab kev ua neej nyob. Tsis tas li ntawd, kev siv Letrozole yuav tsum tau saib xyuas los ntawm tus kws kho mob tsim nyog uas tuaj yeem saib xyuas nws cov teebmeem thiab kho cov phiaj xwm kho raws li xav tau.
Cim npe nrov: letrozole(femara) ntsiav tshuaj cas:112809-51-5, Tuam Tshoj letrozole(femara) ntsiav tshuaj cas:112809-51-5 manufacturers, lwm tus neeg, Hoobkas
