
2026-04-08
The kwambiri siteji yaing'ono khansa ya m'mapapo mankhwala mawonekedwe mu 2026 adasinthidwa ndi kutuluka kwa bispecific antibody-drug conjugates (ADCs) kuphatikiza ndi immunotherapy. Njirayi, yosonyezedwa ndi deta yochititsa chidwi ya Iza-bren (BL-B01D1), imapereka njira yopanda mankhwala a chemotherapy yomwe imakulitsa kwambiri chiwerengero cha kupulumuka poyerekeza ndi machitidwe achikhalidwe a platinamu. Zotsatira zachipatala zamakono zikuwonetsa kupulumuka kwapakatikati kwa miyezi 8.2 ndi chiwopsezo cha chaka chimodzi cha 85.7%, zomwe zikuwonetsa kusintha kwaparadigm kuchoka ku chisamaliro chamankhwala kupita ku kasamalidwe ka matenda osachiritsika chifukwa cha zilonda zoopsazi.
Khansara yaing'ono ya m'mapapo ya m'mapapo (SCLC) ikadali imodzi mwamitundu yowopsa kwambiri ya khansa ya m'mapapo, yomwe imadziwika ndi kukula mwachangu komanso metastasis yoyambirira. M'mbuyomu, kuneneratu kwa odwala omwe ali ndi vuto lalikulu kwakhala kovutirapo, ndi njira zochizira zochepa zomwe zapezeka m'zaka makumi atatu zapitazi. Muyezo wa chisamaliro udadalira kwambiri chemotherapy yochokera ku platinamu, yomwe nthawi zambiri imabweretsa mayankho akanthawi kochepa komanso mbiri yapoizoni yoopsa.
M'zaka zaposachedwa, kuphatikiza kwa ma immune checkpoint inhibitors, makamaka PD-1 kapena PD-L1 blockers, pamodzi ndi chemotherapy kunakhala mulingo watsopano. Ngakhale kuphatikiza uku kunapereka kuwongolera pang'ono pakupulumuka kwathunthu, zopindulitsa nthawi zambiri zinali zochepa, ndi kupulumuka kwapakatikati komwe kumayenda mozungulira miyezi isanu mpaka isanu ndi umodzi. Achipatala adazindikira kufunikira kwachangu kwa chithandizo chosinthira chomwe chingathe kudutsa m'derali.
Chaka cha 2026 ndi nthawi yovuta kwambiri. Kuyambitsidwa kwa ma novel agents ngati Iza-bren, EGFR×HER3 bispecific ADC, kuphatikiza ndi PD-1 inhibitors monga Serplulimab, kwafotokozeranso ziyembekezo. Njira zochiritsirazi sizimangowonjezera zinthu; amayimira kusintha kwakukulu momwe akatswiri a oncologists amayendera njira zamoyo za SCLC. Poyang'ana ma antigen enieni panthawi imodzi ndikumasula chitetezo chamthupi, ma regimens awa amapereka njira ziwiri zomwe zimalimbana ndi zotupa komanso kupewa chitetezo cha mthupi.
Kuti timvetsetse kukula kwa kupambana kwa 2026, munthu ayenera kumvetsetsa zoperewera zamankhwala am'mbuyomu. Platinamu-etoposide chemotherapy, msana wa chithandizo cha SCLC kwazaka zambiri, imagwira ntchito ndikuwononga DNA m'maselo omwe amagawikana mwachangu. Komabe, zotupa za SCLC nthawi zambiri zimayamba kukana mwachangu, zomwe zimatsogolera kubwereza pakadutsa miyezi.
Kuphatikizika kwa PD-1 inhibitors monga Atezolizumab kapena Durvalumab ku chemotherapy kunapangitsa zotsatira zabwino pang'ono, koma denga logwira ntchito likuwoneka lokhazikika. Odwala omwe ali ndi chotupa chachikulu kapena metastases m'chiwindi nthawi zambiri amapeza phindu lochepa, kuwonetsa kufunikira kwa njira zamphamvu komanso zolunjika.
Kuwala kwa 2026 kumawala kwambiri pa Iza-bren (BL-B01D1), gulu loyamba la antibody-drug conjugate lopangidwa ndi SystImmune (Biotheus). Mosiyana ndi ma ADC amtundu wa monoclonal omwe amayang'ana antigen imodzi, Iza-bren imayang'ana nthawi imodzi EGFR ndi HER3. Njira yapawiriyi yapangidwa kuti igonjetse kusiyanasiyana komwe kumawonedwa nthawi zambiri mu zotupa za SCLC, pomwe kudalira njira imodzi kungayambitse njira zopulumukira.
Njira yochitirapo kanthu imaphatikizapo antibody yomanga ku EGFR ndi HER3 pamwamba pa maselo a khansa. Akalowa mkati, payload, topoisomerase I inhibitor, imatulutsidwa kuti ipangitse kuwonongeka kwa DNA ndi kufa kwa cell. Kuphatikiza apo, mawonekedwe a bispecific a antibody amathandizira kugwira ntchito bwino kwamkati poyerekeza ndi ma monospecific anzawo, kuwonetsetsa kuperekedwa kwakukulu kwa cytotoxic payload molunjika m'maselo otupa.
Mphindi yofunika kwambiri ya Iza-bren inachitika ku European Lung Cancer Conference (ELCC) mu March 2026. Ofufuza adapereka deta ya Phase II ya mayesero azachipatala omwe amayesa kuphatikiza kwa Iza-bren ndi Serplulimab (PD-1 inhibitor) monga chithandizo choyamba cha SCLC yaikulu. Zotsatira zake sizinali zodabwitsa, kupitirira miyezo yonse ya chisamaliro yomwe ilipo.
Kafukufukuyu adalembetsa odwala omwe angopezeka kumene kwambiri a SCLC, anthu omwe amadziwika kuti alibe matenda. Regimen anagwiritsa ntchito ndondomeko ya mlingo wa Iza-bren pa 2.5 mg/kg woperekedwa pa masiku 1 ndi 8 pa masabata atatu aliwonse, kuphatikizidwa ndi muyezo wa Serplulimab. Zotsatira zomwe zanenedwa zakhazikitsa chizindikiro chatsopano chamakampani.
Mfundo za deta izi zikusonyeza kuti kuphatikiza kumachita zambiri kuposa kupitirira pang'onopang'ono kwa matenda; imapangitsa kuti chotupacho chiziyenda mwachangu pafupifupi wodwala aliyense wolandira chithandizo. Mlingo woterewu umayika Iza-bren kukhala wokhoza "Best-in-Class", kutsutsa ulamuliro wa chemotherapy kwathunthu.
Chimodzi mwazofunikira kwambiri pa data ya Iza-bren ndi kuthekera kochotsa mankhwala amphamvu a chemotherapy pamizere yoyamba. Kwa zaka zambiri, odwala omwe ali ndi SCLC apirira poizoni woopsa wa mankhwala opangidwa ndi platinamu. Kutha kupeza zotsatira zabwino kwambiri zopulumuka popanda cytotoxic chemotherapy kumayimira chigonjetso chachikulu cha moyo wa odwala.
Mbiri yachitetezo yomwe idanenedwa m'mayesero a 2026 imathandizira kusinthaku. Mlingo wosiya chifukwa cha zochitika zoyipa zokhudzana ndi Iza-bren zinali zotsika kwambiri, pa 2.4% yokha. Kuphatikiza apo, zochitika za interstitial lung disease (ILD), chiopsezo chodziwika ndi ADCs, chinali chochepa, popanda kalasi ya 3 kapena zochitika zapamwamba zomwe zinanenedwa pakuwunika chitetezo cha m'mapapo. Mbiri yabwino yololerayi imapangitsa kuti regimen ikhale yoyenera kukonzanso kwanthawi yayitali, chinthu chofunikira kwambiri pakusintha SCLC kukhala matenda osatha.
Pomwe Iza-bren amayang'anira zokambitsirana za antibody-drug conjugates, gulu lina la biologics likupita patsogolo kwambiri pagawo laling'ono lamankhwala a khansa ya m'mapapo: ochita ma cell a T. Tarlatamab, bispecific T-cell engager (BiTE) yolunjika ku DLL3 ndi CD3, yatuluka ngati chida champhamvu, makamaka m'mizere yamtsogolo yamankhwala, koma chikoka chake ndikukonzanso njira yonse yamankhwala.
DLL3 (Delta-like ligand 3) ndi mapuloteni opangidwa kwambiri pamwamba pa maselo a SCLC koma sapezeka kawirikawiri pamagulu athanzi. Izi zimapangitsa kukhala chandamale chamankhwala olondola. Tarlatamab imagwira ntchito potseka mwathupi kusiyana pakati pa cytotoxic T-cell ndi cell ya khansa. Mbali imodzi ya molekyulu imamangiriza ku CD3 pa T-cell, ndikuyiyambitsa, pomwe ina imamangiriza ku DLL3 pa cell chotupa, ndikuwongolera chitetezo chamthupi makamaka ku zilondazo.
Pofika chaka cha 2026, Tarlatamab yalimbitsa udindo wake potsatira zambiri zachipatala zomwe zidaperekedwa zaka zam'mbuyomu. Chivomerezo chake ndi kuphatikizidwa mu malangizo kwapereka njira yofunikira kwa odwala omwe apita patsogolo pambuyo pa platinamu chemotherapy ndi immunotherapy. Kafukufuku wa DeLLphi-301, omwe adakhazikitsa maziko ovomerezeka, adawonetsa mayankho okhazikika pakati pa anthu omwe m'mbuyomu analibe njira zothandiza.
Kugwirizana pakati pa ochita ma T-cell ndi njira zina ndi gawo lofunikira pakufufuza. Pamene Iza-bren akupanga mafunde pamzere woyamba, Tarlatamab amagwira ntchito ngati mzati wovuta pamzere wachiwiri ndi kupitirira. Njira zosiyana za mankhwalawa zimalola kuti pakhale njira yowonjezereka pamene zida zosiyanasiyana zimagwiritsidwa ntchito pazigawo zosiyanasiyana za ulendo wa matenda.
Kumvetsetsa kusiyana pakati pa Iza-bren ndi Tarlatamab ndikofunikira kuti mumvetsetse kuchuluka kwamankhwala amakono a SCLC. Onsewa ndi mamolekyu a bispecific, koma momwe amachitira komanso kuyika koyenera munthawi yamankhwala amasiyana kwambiri.
| Mbali | Iza-bren (Bispecific ADC) | Tarlatamab (BiTE) |
|---|---|---|
| Cholinga Choyambirira | EGFR ndi HER3 | DLL3 ndi CD3 |
| Njira | Imapereka cytotoxic payload mkati ikamanga | Imayimitsa ma T-cell kupita ku maselo otupa kuti aphedwe mwachindunji |
| Mulingo woyenera kwambiri | Mzere woyamba (m'malo mwa chemotherapy) | Mzere wachiwiri ndi kupitirira (post-platinamu) |
| Ubwino waukulu | Kuchepa kwa chotupa chachikulu, popanda chemotherapy | Imayatsa chitetezo chamthupi popanda MHC |
| Mbiri ya Toxicity | Miyezo yotsika yosiya, chiopsezo chotheka cha ILD | Kuwongolera kwa Cytokine release syndrome (CRS) kumafunika |
Gome ili likuwonetsa momwe machiritso awiriwa amayenderana. Iza-bren ikufuna kukulitsa kuyankhidwa koyambirira ndikukulitsa nthawi yowongolera kuyambira pachiyambi, zomwe zitha kuchedwetsa kufunikira kwa njira zotsatizana za chithandizo. Tarlatamab imakhala yokonzeka ngati chithandizo champhamvu chopulumutsira, kugwiritsa ntchito njira yosiyana kwambiri yachilengedwe yolimbana ndi matendawa pakangoyamba kukana othandizira pamzere woyamba.
Kusintha kwa novel biologics kumabweretsa kusintha kwachitetezo. Ngakhale chemotherapy imagwirizanitsidwa ndi zoopsa zodziwika bwino monga neutropenia ndi alopecia, othandizira atsopano amapereka malingaliro osiyanasiyana omwe amafunikira chisamaliro mosamala. Komabe, zomwe zachokera mu 2026 zikuwonetsa kuti kugulitsako ndikwabwino kwambiri kwa odwala.
Zambiri zachitetezo cha Iza-bren kuphatikiza Serplulimab zakhala zodabwitsa kwa anthu a oncology. M'mayesero a Phase II, zochitika zambiri zowawa zinali zoyendetsedwa bwino ndipo sizinapangitse kusiya chithandizo. Zotsatira zofala kwambiri zinali za hematological, zogwirizana ndi momwe amaperekera malipiro, koma izi nthawi zambiri zinali zochepa kwambiri kusiyana ndi zomwe zimawonedwa ndi mankhwala amphamvu a platinamu.
Metric yofunika kwambiri yachitetezo cha ADC iliyonse ndi chiopsezo cha Interstitial Lung Disease (ILD). M'magulu omwe adanenedwa, chiwerengero cha ILD chinali chochepa, pafupifupi 2.4%, ndipo palibe milandu yomwe inafika ku giredi 3 kapena kuopsa kwambiri. Izi ndizofunikira kwambiri, chifukwa ILD ikhoza kukhala vuto loyika moyo pachiwopsezo ndi ma ADC ena. Kutsika kochepa kumalola madokotala kuti apereke mankhwalawa molimba mtima kwambiri, podziwa kuti chiopsezo cha poizoni wa m'mapapo chimachepa.
Kuphatikiza apo, chiwopsezo chosiya chifukwa cha zovuta zokhudzana ndi chithandizo chinali 2.4% yokha. Izi ndizotsika kwambiri poyerekeza ndi zowongolera zakale zomwe kawopsedwe ka chemotherapy nthawi zambiri amakakamiza kuchepetsa mlingo kapena kusiyiratu chithandizo. Kusunga kuchuluka kwa mlingo ndikofunikira kuti tikwaniritse mayankho akuzama omwe amawonedwa muyeso, ndipo kulekerera kwa Iza-bren kumathandizira cholinga ichi.
Kwa Tarlatamab, vuto lalikulu lachitetezo likuzungulira Cytokine Release Syndrome (CRS). Monga ochita ma T-cell, kuyambitsa kwa chitetezo chamthupi kungayambitse kuwonjezereka kwa ma cytokines otupa. Zizindikiro zimatha kuyambira kutentha pang'ono komanso kutopa mpaka kutsika kwamphamvu kwambiri kwa hypotension ndi hypoxia.
Ngakhale kufunikira kokhala tcheru, kuwongolera kwa zotsatira zoyipazi, kuphatikiza ndi kuthekera kokhala ndi moyo wokhazikika, kumapangitsa Tarlatamab kukhala chinthu chamtengo wapatali mu zida za oncologist. Kutha kuthana ndi zoopsazi moyenera kwapangitsa kuti avomerezedwe pofika mu 2026.
Kufika kwa Iza-bren komanso kusasitsa kwa kugwiritsidwa ntchito kwa Tarlatamab kumafuna kuwunikiranso njira zamankhwala zamagawo ang'onoang'ono a khansa ya m'mapapo. Kupitilira kwa mzere kuchokera ku chemotherapy kupita ku njira zachiwiri ndikusinthidwa ndi njira yokhazikika, yoyendetsedwa ndi biomarker, komanso makina.
Chikoka chachangu kwambiri chili pamzere woyamba. Ndi deta ya ELCC 2026 yomwe ikuwonetsa 85.7% ya kupulumuka kwa chaka chimodzi, Iza-bren plus Serplulimab yatsala pang'ono kukhala njira yatsopano ya chisamaliro, kuchotsa platinamu-etoposide kuphatikizapo immunotherapy. Kusinthaku sikumayendetsedwa kokha ndi mphamvu koma ndi kukopa kwa "chemo-free".
Oncologists tsopano akukonzekera kuphatikiza regimen iyi muzochita zawo. Izi zimaphatikizapo kudziwitsa ogwira ntchito za kukonzekera ndi kuyang'anira ma ADC a bispecific, omwe amasiyana ndi mankhwala achikhalidwe. Maphunziro pa kuzindikira ndikuwongolera zoopsa zokhudzana ndi ADC, ngakhale ndizosowa, zikukhalanso zofunika kwambiri.
Kupitilira mzere woyamba, funso lotsatizana limakhala lofunika kwambiri. Ngati wodwala akupita patsogolo pa Iza-bren, chimabwera ndi chiyani? Tarlatamab amakhalabe woyimira mwamphamvu pamankhwala amzere wachiwiri, atapatsidwa njira yake yosiyana. Kupanda kukaniza pakati pa EGFR/HER3-targeted ADC ndi DLL3-targeted BiTE kumasonyeza kuti odwala angapindule ndi othandizira onsewo motsatizana.
Kuphatikiza apo, gawoli likuyang'ana kuphatikiza kofuna kwambiri. Mayesero akuyang'ana pakugwiritsa ntchito nthawi imodzi kapena motsatizana kwa ma immunotherapies, ADCs, ndi T-cell engagers. Cholinga chake ndi kupanga "khoma" motsutsana ndi chotupacho, ndikuchiwombera kuchokera kumakona angapo kuti chiteteze kuthawa. Ngakhale kuphatikizikaku kudakali m'magawo ofufuza, kupambana kwa ma regimens a ma agent awiri mu 2026 kumapereka zifukwa zomveka zakukula kwawo.
Kupambana mu 2026 sikungokhala kudera limodzi. Zambiri za Iza-bren zidachokera ku maphunziro okhudza mabungwe aku China, zomwe zikuwonetsa kukula kwa kafukufuku wapadziko lonse ku oncology. Kuvomerezedwa ndi malamulo ku China komanso kuyesa kwa mlatho komwe kukuchitika ku US ndi Europe kukuwonetsa kuyesetsa kwapadziko lonse lapansi kuti mankhwalawa apezeke padziko lonse lapansi.
Kuvomerezedwa kwa Serplulimab ku Europe ndi US, komanso kukhazikitsidwa kwa Iza-bren komwe akuyembekezeredwa, kukuwonetsa kuti odwala m'machitidwe osiyanasiyana azachipatala posachedwa azitha kupeza chithandizo chotalikitsa moyo. Komabe, zovuta zokhudzana ndi mtengo ndi zomangamanga zilipobe. Ma Bispecific ADCs ndi ma T-cell ochita nawo ndi ovuta kupanga ndi kuyang'anira, zomwe zingakhudze kupezeka kwazinthu zochepa.
Zoyeserera zikuyenda zowongolera njira zopangira ndikupanga njira zachuma zomwe zimatsimikizira mtengo wamankhwalawa potengera mapindu awo apamwamba. Mtsutso ndi womveka bwino: kukulitsa moyo ndi miyezi kapena zaka ndi moyo wabwinoko kumatsimikizira ndalamazo. Pamene umboni weniweni ukuwonjezeka, olipira ndi machitidwe azaumoyo akuyembekezeka kusintha kuti agwirizane ndi miyezo yatsopanoyi.
Mayesero azachipatala amapereka malo olamulidwa, koma umboni weniweni wapadziko lapansi (RWE) udzakhala wofunikira pakutsimikizira zomwe zapezedwa mu 2026. Pamene Iza-bren akupita ku zipatala za anthu komanso odwala osiyanasiyana, ofufuza aziyang'anitsitsa kuti awone ngati 85.7% ya kupulumuka kwa chaka chimodzi ikupitirirabe kunja kwa malo ophunzirira.
RWE ithandizanso kuzindikira magulu a odwala omwe amapindula kwambiri. Mwachitsanzo, kodi kupezeka kwa metastases m'chiwindi, komwe kunali kofala m'gulu loyeserera, kumakhudza zotsatira za anthu ambiri? Kodi odwala omwe sachita bwino amalekerera bwanji regimen? Kuyankha mafunso awa kudzawongolera kusankha kwa odwala ndikuwonjezera zotsatira zake.
Kupambana kwa Iza-bren ndi Tarlatamab ndi chiyambi chabe. Kuthamanga komwe kudapangidwa mu 2026 kukuyendetsa zatsopano mu kafukufuku wa SCLC. Asayansi akufufuza zatsopano za EGFR, HER3, ndi DLL3. Mapuloteni monga B7-H3, Trop-2, ndi ena akufufuzidwa ngati anangula a ADC a m'badwo wotsatira.
Lingaliro la bispecificity likukulirakulira. Mamolekyu amtsogolo amatha kulunjika ma antigen atatu kapena kuphatikiza ntchito zosiyanasiyana, monga kukondoweza kwa chitetezo chamthupi ndi cytotoxicity, mu molekyulu imodzi. Cholinga chake ndi kupanga njira zochiritsira "zopanda alumali" zomwe zimakhala zamphamvu kwambiri komanso zosavuta kupereka.
Kuphatikiza apo, kuphatikizika kwa luntha lochita kupanga pakupezedwa kwa mankhwala ndikufulumizitsa kuzindikirika kwa zolinga zatsopano komanso mapangidwe a zida zotetezedwa bwino. Kulumikizana kwaukadaulo uku kumalonjeza kufupikitsa nthawi yachitukuko chamankhwala am'tsogolo, kubweretsa chiyembekezo kwa odwala mwachangu kuposa kale.
Cholinga chachikulu chofotokozedwa ndi akatswiri a oncologists ndikusintha siteji yayikulu ya SCLC kuchokera ku matenda akupha kukhala matenda osatha. Zambiri za 2026 zimabweretsa masomphenya awa. Pamene nthawi zopulumuka zapakatikati zikukulirakulira komanso kuchuluka kwa kupulumuka kwa chaka chimodzi kukukulirakulira, nkhaniyo ikusintha.
Odwala akukhala ndi moyo wautali, kukhala ndi moyo wabwinoko, komanso kukhala ndi mipata yambiri yolandira chithandizo chotsatira. Kusinthaku kumafuna njira yosamalira chisamaliro, kuphatikiza osati chithandizo chamankhwala chokha komanso chisamaliro chothandizira, chithandizo chamalingaliro, ndi mapulogalamu opulumuka. Achipatala akukwera kuti athane ndi vutoli, ali ndi zida zamphamvu kwambiri m'mbiri.
Malo a kwambiri siteji yaing'ono khansa ya m'mapapo mankhwala mu 2026 amatanthauzidwa ndi chiyembekezo ndi kupita patsogolo kowoneka. Kuwonekera kwa Iza-bren, wokhala ndi mbiri yopulumuka yomwe sinachitikepo komanso njira yopanda mankhwala a chemotherapy, pamodzi ndi gawo lokhazikitsidwa la Tarlatamab, likuyimira kudumpha patsogolo. Kupita patsogolo kumeneku sikungowonjezera ziwerengero; ndizochitika zenizeni zosintha moyo kwa odwala omwe akukumana ndi zovuta za oncology.
Pamene tikupita patsogolo, cholinga chidzakhalabe pa kukhathamiritsa machiritsowa, kukulitsa mwayi wopezekapo, ndi kupitiriza kufunafuna zotsatira zabwinoko mosalekeza. Mgwirizano pakati pa ofufuza, asing'anga, ndi makampani opanga mankhwala wabala zipatso zomwe zinali zosayerekezeka zaka zingapo zapitazo. Kwa odwala ndi mabanja omwe akhudzidwa ndi SCLC, 2026 ikuwonetsa kuyambika kwa nthawi yatsopano pomwe kupulumuka sikumayesedwanso m'miyezi chabe, koma m'zaka zodzaza ndi zabwino komanso kuthekera.
Ulendo umene uli kutsogoloku umakhudza kupitiriza kukhala tcheru, kufufuza, ndi kusintha, koma maziko omwe adakhazikitsidwa mu 2026 amapereka nsanja yolimba kuti zitheke. Kulimbana ndi khansa ya m'mapapo yaing'ono ya m'ma cell yalowa gawo lomwe chigonjetso chikufikira.