Mwina palibe chokhumudwitsa kwambiri kuposa kuona amayi athu okalamba, abambo, agogo athu aakazi, kapena amalume athu akuiwala pang'onopang'ono chilichonse. Kuyambira kuiwala zinthu zazing'ono mpaka kusakumbukira kuti ndife ndani kapena ana athu, matenda a Alzheimer ndi vuto lomwe limatipangitsa tonse kukhala opanda thandizo monga banja. Nanga bwanji ngati kuwala pang'ono kwa dzuwa kuonekera pakati pa mtambo wakuda chonchi? Nanga bwanji ngati pakhala nkhani yokhudza mankhwala atsopano omwe angachedwetse kupita patsogolo kwa matenda a Alzheimer? Lero tikambirana za kafukufuku watsopano womwe wabweretsa chiyembekezo chotere.
Kodi Donanemab ndi chiyani? Imagwira ntchito bwanji?
Mwachidule, Donanemab ndi mankhwala atsopano ofufuza omwe akupangidwa kuti athetse matenda a Alzheimer's. Amapangidwa ndi kampani yopanga mankhwala ya Eli Lilly.
Tsopano, chifukwa chachikulu cha matenda a Alzheimer's chikuganiziridwa kuti ndi kusonkhana kwa puloteni yoopsa yotchedwa amyloid plaques mu ubongo. Monga momwe dzimbiri limapangikira m'mapaipi athu amadzi, mapuloteni awa amasonkhana pakati pa maselo amitsempha mu ubongo ndikusokoneza ntchito yawo. Pakapita nthawi, izi ndi zomwe zimayambitsa zizindikiro monga kuiwalika ndi kuvutika kuganiza.
Mankhwala a Donanemab amalimbana makamaka ndi ma depositi otchedwa amyloid plaques. Mankhwalawa akaperekedwa m'thupi, amapita ku ubongo, amazindikira ma protein osafunikirawa, ndikuyamba kuwachotsa. Izi zimagwira ntchito ngati mankhwala oletsa ma antibodies . Maziko asayansi ndi akuti poyeretsa ubongo mwanjira imeneyi, amatha kuchepetsa kupitirira kwa matendawa.
Zotsatira za kafukufukuyu zapambana kwambiri kotero kuti Eli Lilly akukonzekera kulembetsa ku US Food and Drug Administration (FDA) kuti avomereze mankhwalawa kuti agwiritsidwe ntchito ndi anthu onse.
Zotsatira zodabwitsa zomwe zavumbulutsidwa ndi kafukufukuyu
Uku si kafukufuku wina uliwonse. Uku ndi kuyesa kosasinthika, kosayang'ana mbali zonse ziwiri, koyendetsedwa ndi placebo . Izi zikutanthauza kuti, odwala amagawidwa m'magulu awiri, ndipo gulu limodzi limapatsidwa mankhwala enieni, ndipo gulu lina limapatsidwa mankhwala abodza opanda chogwiritsira ntchito (placebo). Koma wodwala kapena gulu lothandizira sadziwa yemwe akutenga mankhwalawa. Njira iyi imatithandiza kuyeza kugwira ntchito kwenikweni kwa mankhwalawa mopanda tsankho.
Tiyeni tiwone zina mwa zotsatira za kafukufukuyu. Izi zikusonyeza momwe izi zingasinthire miyoyo ya odwala matenda a Alzheimer's.
| Kupeza mfundo zazikulu | Kufotokozera za zotsatira zake |
|---|---|
| Zizindikiro sizikuipiraipira | 47% ya omwe adamwa donanemab sanasonyeze kuwonjezeka kwa zizindikiro patatha chaka chimodzi, poyerekeza ndi 29% yokha ya omwe adamwa placebo. |
| Kuchepetsa matendawa | Poyerekeza ndi omwe adatenga placebo, omwe adatenga Donanemab adatsika ndi 35% pakuwonjezeka kwa matenda. |
| Kutha kugwira ntchito za tsiku ndi tsiku | Kutha kuchita ntchito za tsiku ndi tsiku monga kuvala ndi kuphika tiyi wekha kwachepa ndi 40% . Izi ndi mpumulo waukulu kwa wodwala komanso banja lake. |
| Kuopsa kopita patsogolo ku gawo lotsatira la matendawa | Anthu omwe adamwa Donanemab anali ndi chiopsezo chocheperako cha 39% chopita ku gawo lotsatira, loopsa kwambiri la matendawa. |
| Magulu a amyloid muubongo | Ngakhale mkati mwa miyezi 6 yokha kuchokera pamene anayamba kulandira chithandizo, kuchuluka kwa ma amyloid plaques mu ubongo wa odwala kwachepa kwambiri. |
Kafukufukuyu adakhudza odwala omwe anali kumayambiriro kwa matendawa. Anagawidwanso m'magulu malinga ndi kuchuluka kwa tau, puloteni ina yomwe imayesa kuopsa kwa matendawa. Chodabwitsa n'chakuti, ngakhale odwala omwe ali ndi matenda opitilira komanso kuchuluka kwa tau m'magazi awo awona phindu lina kuchokera ku mankhwalawa.
Timadziwanso za zotsatirapo zake.
Monga mankhwala ena aliwonse, pali zotsatirapo zina zomwe zanenedwa. Pamene tikulankhula za chiyembekezo, tiyenera kukhala oona mtima pa zoopsazi.
Zotsatira zoyipa zomwe zimapezeka ndi mankhwalawa ndi matenda otchedwa ARIA (Amyloid-Related Imaging Abnormalities) . Mwachidule, uku ndi kutupa kwakanthawi kapena kutuluka magazi muubongo. Amakhulupirira kuti kumakhudzana ndi njira yochotsera amyloid.
- 24% ya omwe adatenga DonanemabKutupa kwa ubongo kwachitika, koma 6% yokha ya anthu ndi omwe asonyeza zizindikiro.
- Kutuluka magazi pang'ono kunachitika mwa odwala pafupifupi 31% (izi zinachitikanso mwa 14% mwa omwe adatenga placebo).
Chabwino kwambiri n'chakuti matenda ambiri a ARIA ndi ofatsa kapena apakati ndipo amatha kuchiritsidwa kapena kukhazikika ndi chithandizo choyenera chamankhwala.
Komabe, sitiyenera kuiwala mfundo imeneyi. Mwatsoka, anthu atatu omwe anamwalira chifukwa cha vutoli la ARIA nawonso anenedwa panthawi ya kafukufukuyu. Izi zikutisonyeza momwe kuyang'aniridwa kwachipatala kulili kofunikira kwambiri pogwiritsa ntchito mankhwala amphamvu ngati amenewa.
Kodi akatswiri amati chiyani pankhaniyi?
Akatswiri a za ubongo padziko lonse lapansi akusangalala ndi zotsatirazi. Ena akunena kuti, "Tsopano talowa mu nthawi ya chithandizo cha matenda a Alzheimer."
"Pambuyo pa zaka zambiri zofufuza zomwe sizinaphule kanthu, tsopano tikupeza zotsatira zokhazikika zomwe zikusonyeza kuti kuchotsa amyloid kungathe kusintha momwe matendawa akuyendera," adatero katswiri wina.
Mbali ina yapadera ya mankhwalawa ndi momwe amaperekedwera. Kafukufuku wasonyeza kuti puloteni yoopsa ya amyloid muubongo ikachepetsedwa kufika pamlingo winawake, mankhwalawa amatha kuyimitsidwa . Chithandizo chayimitsidwa mwa odwala 52% mkati mwa chaka chimodzi ndipo 72% mkati mwa miyezi 18. Izi zili ngati "kupangitsa kuti matendawa achepe" ndikuwona popanda chithandizo. Izi zitha kukhala phindu lalikulu kwa odwala komanso pankhani ya mtengo wa chithandizo.
Koma akatswiri ena akadali osamala pang'ono. Iwo amati, "Zotsatirazi zikuwoneka bwino kwambiri, koma tiyenera kuwona zambiri zonse. Pali zotsatirapo zoyipa kwambiri, ndipo tiyenera kudziwa zambiri za momwe zimakhudzira odwala."
Uthenga Wopita Nawo Kunyumba
- Donanemab si mankhwala a matenda a Alzheimer's, koma ndi mankhwala omwe amachepetsa kwambiri kupitirira kwa matendawa, ndipo amapereka chiyembekezo chachikulu chamtsogolo.
- Izi zimagwira ntchito pochotsa ma amyloid plaques owopsa omwe amasonkhana mu ubongo.
- Izi zimathandiza odwala, makamaka kumayambiriro kwa matendawa, kusunga kukumbukira ndi luso lochita ntchito za tsiku ndi tsiku kwa nthawi yayitali.
- Kutupa kwa ubongo ndi kutuluka magazi pang'ono (ARIA)Pali chiopsezo cha zotsatirapo zoyipa kwambiri, kotero ngati mwasankha kulandira chithandizochi, chiyenera kuchitika moyang'aniridwa ndi dokotala kwambiri.
- Mankhwalawa akadali mu gawo lofufuza. Zitenga nthawi kuti ayambe kugwiritsidwa ntchito ku Sri Lanka. Chifukwa chake, ngati wina m'banja mwanu akuwonetsa zizindikiro za matenda a Alzheimer's, chinthu chabwino kuchita ndikuwonana ndi dokotala wodziwa bwino ntchito mwamsanga ndikupempha upangiri.
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