Yog lawm, raws li cov txiaj ntsig ntawm Phase II kev sim tshuaj, rettrutide zoo li ua tau zoo heev hauv kev txo cov rog hauv plab. Qhov no suav nrog cov rog subcutaneous (cov rog hauv daim tawv nqaij), thiab qhov tseem ceeb tshaj, nws kuj txo cov rog rog nyob ib puag ncig cov kab mob hauv plab hauv plab.
Kev piav qhia ntxaws
1. Mechanism of Action of Retatrutide
Retatrutide yog ib qho tshiab triple agonist.
● GLP-1 Receptor Agonist: Zoo li semaglutide (Ozempic/Wegovy) thiab telapartide (Mounjaro/Zepbound), nws ua raws li cov tshuaj hormones GLP-1, txo qhov qab los noj mov, ua rau lub plab khoob, thiab pab tswj cov ntshav qab zib.
● GIP Receptor Agonist: Zoo li telapartide, nws kuj ua raws li GIP cov tshuaj hormones, ntxiv dag zog rau cov teebmeem metabolic xws li kev txhim kho insulin rhiab heev, thiab tseem tuaj yeem pab txo qhov hnyav.
● Glucagon Receptor Agonist: Qhov no yog qhov thib peb cov txheej txheem tshiab. Glucagon ib txwm ua rau lub siab tso cov kua nplaum uas khaws cia, tab sis ua tus agonist, nws kuj ua rau kev siv zog ntau ntxiv - txhais tau tias lub cev hlawv ntau calories txawm tias so. Nws tshwj xeeb yog txhim khu lub cev muaj peev xwm zom cov rog.
Cov txiaj ntsig triple no ua rau muaj txiaj ntsig zoo: koj yuav noj tsawg dua (vim qab los noj mov), thiab koj lub cev yuav hlawv cov rog uas twb muaj lawm ntau dua, tshwj xeeb tshaj yog cov roj cia.
2. Cov ntaub ntawv pov thawj kuaj mob ntawm plab plab
Cov pov thawj tseem ceeb tshaj plaws yog los ntawm 48-lub lim tiam Phase 2 sim luam tawm hauv *New England Journal of Medicine*:
● Kev poob phaus tag nrho: Cov neeg koom nrog noj tshuaj ntau tshaj (12 mg) poob qhov nruab nrab ntawm 24.2% ntawm lawv lub cev hnyav. Qhov no yog unprecedented nyob rau hauv kev kho mob tshuaj.
● Kev faib tawm ntawm kev txo cov rog: Qhov tseem ceeb, txoj kev tshawb fawb tau siv MRI scans los soj ntsuam qhov chaw ntawm kev txo cov rog. Cov txiaj ntsig tau pom:
○ Visceral rog txo los ntawm kwv yees li 30%. Visceral rog yog metabolically teeb meem "mob plab plab" thiab cuam tshuam nrog insulin tsis kam, kab mob plawv, thiab mob.
○ Lub siab rog txo los ntawm kwv yees li 80%. Cov rog ntau dhau (fatty degeneration) yog qhov tseem ceeb rau cov kab mob metabolic.
○ Cov rog subcutaneous kuj txo qis.
Qhov no qhia tau hais tias retatroptide tsis tsuas yog txo qhov hnyav tag nrho tab sis tseem tshwj xeeb tshaj yog tsom rau cov rog txaus ntshai tshaj plaws hauv thaj tsam plab, ua rau muaj kev phom sij loj tshaj plaws.
3. Lub plab rog vs. Tag nrho cov rog txo
Nws yog ib qho tseem ceeb kom nkag siab tias cov rog tsis tuaj yeem txo qis hauv ib cheeb tsam. Tsis muaj tshuaj los yog kev tawm dag zog tuaj yeem ua rau poob rog hauv ib feem ntawm lub cev. Lub cev systematically txo cov rog thoob plaws hauv lub cev, raws li cov caj ces thiab qhov sib txawv ntawm tus kheej.
Txawm li cas los xij, retatroptide cov txheej txheem ntawm kev ua haujlwm zoo nkaus li tshwj xeeb tshaj yog kev txhawb nqa thiab hlawv cov rog tawv tawv, uas feem ntau nyuaj rau poob - visceral rog hauv plab yog qhov piv txwv tseem ceeb. Yog li ntawd, thaum rog nyob rau lwm qhov ntawm lub cev kuj txo, qhov txo qis hauv plab rog yog qhov tseem ceeb.
Kev txiav txim siab tseem ceeb
1. Tseem nyob rau theem tshawb fawb: Retatroptide tseem tsis tau pom zoo los ntawm US Food and Drug Administration (FDA) lossis lwm lub koom haum tswj hwm. Nws yog tam sim no nyob rau hauv Phase III kev sim tshuaj. Tej zaum nws yuav yog ob peb xyoos ua ntej nws muaj nyob rau hauv kev ua lag luam.
2. Kev phiv: Raws li nrog rau lwm cov tshuaj GLP-1, cov kev mob tshwm sim feem ntau yog kev mob plab hnyuv (xws li, raws plab, ntuav, cem quav). Cov tshuaj tiv thaiv no feem ntau yog me me mus rau nruab nrab thiab zoo li yuav qis dua lub sijhawm.
3. Tshuaj yog ib qho ntxiv, tsis yog panacea: Txawm tias cov tshuaj siv tau zoo tshaj plaws yuav tsum tau hloov txoj kev ua neej kom ua tiav lawv cov txiaj ntsig zoo tshaj plaws. Kev noj zaub mov kom zoo thiab kev tawm dag zog tsis tu ncua tsis tsuas yog txhim kho cov rog tab sis tseem ceeb dua, pab tswj cov leeg nqaij thiab kev noj qab haus huv tag nrho.
Xaus
Raws li cov pov thawj kev tshawb fawb tam sim no, retatroptide yog ib qho kev cog lus zoo tshaj plaws uas tsim los rau hnub no rau kev txo qis plab plab (visceral) rog thaum tseem txo qhov hnyav tag nrho.
Nws qhov tshwj xeeb triple mechanism ntawm kev txiav txim lub hom phiaj ntawm lub hauv paus ua rau qhov hnyav nce thiab tawv nqaij tsub kom zoo dua li cov tshuaj yav dhau los. Txawm li cas los xij, nws yog ib qho tseem ceeb heev uas yuav tau tos cov txiaj ntsig ntawm qhov loj dua - teev Phase 3 kev sim tshuaj ntsuam xyuas thiab kev pom zoo zaum kawg.