Lumasiran ni iki: Ibikoreshwa, Uburyo bwo gukoresha, Ingaruka ziterwa n'ibindi

Lumasiran ni umuti wihariye wagenewe gufasha abantu bafite indwara idasanzwe ya genetike yitwa hyperoxaluria ya mbere y'ubwoko bwa 1 (PH1). Uyu muti uterwa mu nshinge ukora ugabanya umubare wa oxalate umubiri wawe ukora, ibi bikaba bishobora gufasha kwirinda amabuye ya mu nda arimo ububabare no kurengera impyiko zawe zidakomereka.

Niba wowe cyangwa umuntu ukwitaho yaranzwe na PH1, birashoboka ko wumva uhangayitse ufite ibibazo n'impungenge. Iyi ndwara igira ingaruka ku buryo umubiri wawe ukora ibintu bimwe na bimwe, bigatuma oxalate yiyongera bishobora gutera ibibazo bikomeye by'impyiko. Inkuru nziza ni uko lumasiran ihagarariye intambwe ikomeye mu kuvura iyi ndwara igoye, itanga icyizere n'imibereho myiza ku barwayi benshi.

Lumasiran ni iki?

Lumasiran ni umuti wandikirwa na muganga ubarizwa mu cyiciro cy'imiti yitwa RNA interference (RNAi) therapeutics. Ikora mugacecekesha imirasire ya gene zihariye mu mwijima wawe zishinzwe gukora oxalate nyinshi ku bantu bafite PH1.

Tekereza lumasiran nk'igikoresho cy'imolekile gihamye kigamije gukemura ikibazo cy'ibanze cy'indwara yawe aho kuvura gusa ibimenyetso. Uyu muti utangwa nk'urushinge rwo munsi y'uruhu, bivuze ko iterwa munsi y'uruhu, kimwe n'uko abantu barwaye diyabete biha inshinge za insuline. Ubu buryo bugamije gufasha umubiri wawe gukora oxalate nkeya cyane, bigabanya ibyago byo gukora amabuye ya mu nda no kwangirika kw'impyiko.

Uyu muti watejwe imbere by'umwihariko ku bantu bafite hyperoxaluria ya mbere y'ubwoko bwa 1, indwara idasanzwe ya genetike ifata abantu batarenze 3 kuri miliyoni ku isi hose. Kugira ubuvuzi bwihariye nk'ubu buriho ni intambwe ikomeye mu kwita ku bantu bafite iyi ndwara.

Lumasiran ikoreshwa mu iki?

Lumasiran yemejwe byihariye kuvura indwara ya hyperoxaluria y'ibanze yo mu bwoko bwa 1 (PH1) haba ku bantu bakuru ndetse n'abana. PH1 ni indwara idasanzwe yo mu bwoko bw'imiryango aho umubiri wawe ukora oxalate nyinshi cyane, ikintu gishobora guteza amabuye mu mpyisi arimo ububabare no kwangiza impyisi zawe uko igihe kigenda.

Ku bantu barwaye PH1, ihinduka ry'urugero ry'imiryango rituma umwijima ukora oxalate nyinshi cyane kuko utagira enzyme y'ingenzi yitwa alanine-glyoxylate aminotransferase (AGT). Hatabayeho iyi enzyme ikora neza, ibintu byagombye gutunganywa neza ahubwo bihinduka oxalate. Iyi oxalate yarenze urugero ikagenda mu maraso yawe ikajya mu mpyisi zawe, aho ishobora kwishyiririza ikavamo amabuye.

Iyi ndwara ishobora gutera ibibazo bikomeye iyo itavuwe. Ibi birimo amabuye mu mpyisi agaruka, kwangirika kw'impyisi, kunanirwa kw'impyisi, ndetse no mu bihe bikomeye, indwara yitwa systemic oxalosis aho ibice bya oxalate bishyirwa mu zindi ngingo nk'umutima, amagufa, n'amaso. Lumasiran ifasha kwirinda ibi bibazo mu gukemura icyateye oxalate nyinshi.

Lumasiran ikora ite?

Lumasiran ikora binyuze mu buryo buhanitse bwa RNA interference, mu by'ukuri bukabwira selile z'umwijima wawe guhagarika gukora oxalate nyinshi cyane. Uyu muti ugamije kandi ukacecekesha urugero rwa LDHA, rwashinzwe gukora enzyme igira uruhare mu gukora oxalate.

Iyo uhabwa urukingo rwa lumasiran, uyu muti ujya mu mwijima wawe aho uhuza n'utunyangingo twa RNA twihariye. Utu tunyangingo dusanzwe dutanga amabwiriza yo gukora poroteyine zitera oxalate. Mu guhagarika ubu butumwa, lumasiran igabanya neza umubare wa oxalate umubiri wawe ukora kugeza kuri 65% cyangwa kurenza.

Iyi ni imiti ifatwa nk'ikomeye ku rugero rwo hagati mu bijyanye n'ubushobozi bwayo, ariko kandi yibanze cyane. Bitandukanye n'imiti imwe ifata imikorere y'ibice byinshi by'umubiri, lumasiran yibanda by'umwihariko ku turemangingo tw'umwijima dusanzwe dukora oxalate nyinshi. Ingaruka z'urukingo rumwe zirashobora kumara amezi menshi, niyo mpamvu udakeneye gufata imiti buri munsi nk'uko biba bimeze ku yindi miti myinshi.

Nkwiriye Gufata Lumasiran Nte?

Lumasiran itangwa nk'urukingo rwo munsi y'uruhu, bivuze ko ruterwa mu gice cy'ibinure kiri munsi y'uruhu rwawe. Muganga wawe azakwigisha cyangwa umwe mu muryango wawe uko mutera izi nkingo neza mu rugo, nubwo hari abantu bahitamo kuziterwa kwa muganga.

Urukingo rukunze gutererwa ahantu ufite ibinure bihagije munsi y'uruhu, nko mu itako, mu kaboko kawe k'igice cy'inyuma, cyangwa mu nda. Uzajya uhinduranya aho utera urukingo kugira ngo wirinde kurakara cyangwa gukomereka ahantu hamwe. Uyu muti uza mu mpombo zizuzuye cyangwa mu macupa agomba kubikwa muri firigo kugeza igihe uzakoreshwa.

Bitandukanye n'imiti ifatirwa mu kanwa, ntugomba guhangayika ku bijyanye no gufata lumasiran hamwe n'ibiryo cyangwa ku gifu cyambaye ubusa kuko iterwa. Ariko, ugomba kureka uyu muti ukagera ku bushyuhe busanzwe mu cyumba mu gihe cy'iminota 30 mbere yo guterwa kugira ngo byoroshye. Muganga wawe azatanga amabwiriza arambuye ku buryo bwo gutera neza urukingo, kubika, no guta inshinge n'impombo zimaze gukoreshwa.

Nkwiriye Gufata Lumasiran Igihe Kingana Gite?

Lumasiran ni umuti ukunze gufatwa igihe kirekire ushobora gukenera gukomeza gufata igihe cyose. Kubera ko PH1 ari indwara ya genetique, umubiri wawe uzakomeza gukora oxalate nyinshi hatabayeho ubuvuzi buhoraho kugira ngo bugenzure.

Inzira yo kuvura y'ibanze isanzwe ikubiyemo inshinge zikoreshwa kenshi kugira ngo zigabanye vuba urugero rwa oxalate, zigakurikirwa no gukoresha imiti buri mezi atatu. Muganga wawe azajya akurikirana urugero rwa oxalate mu nkari zawe buri gihe kugira ngo arebe niba imiti ikora neza kandi ashobora guhindura gahunda yo gukoresha imiti bitewe n'uburyo wabyakiriye.

Abantu benshi batangira kubona igabanuka ry'urugero rwa oxalate mu nkari zabo mu kwezi kwa mbere bavurwa, ibintu byose bikagaragara neza nyuma y'amezi menshi yo gukoresha imiti buri gihe. Itsinda ryawe ry'ubuzima rizakorana nawe kugira ngo rishyireho gahunda ndende yo kuvura ijyanye n'imibereho yawe mu gihe itanga uburyo bwiza bwo kuvura indwara.

Ni ibihe bibazo biterwa no gukoresha Lumasiran?

Kimwe n'imiti yose, lumasiran ishobora gutera ibibazo, nubwo abantu benshi bayihanganira neza. Ibibazo bikunze kugaragara muri rusange ni bike kandi bifitanye isano n'urushinge ubwarwo aho kuba ibibazo byose byo mu mubiri wawe.

Ibibazo bikunze kuvugwa cyane birimo ibibazo ahantu batera urushinge, nk'umutuku, kubyimba, kuribwa, cyangwa kubabara gake aho urushinge rwashyizwe. Ibi bibazo mubisanzwe ntibiramba kandi bikemuka byonyine nyuma y'iminsi mike. Abantu bamwe kandi bahura n'ibimenyetso byoroheje bisa n'ibicurane, harimo umunaniro, kubabara umutwe, cyangwa kubabara imitsi, cyane cyane nyuma yo guterwa inshinge za mbere.

Ibibazo bitavugwa cyane ariko bikwiye kwitabwaho cyane birimo ibibazo byo kwibasirwa n'umubiri, nubwo bidasanzwe. Ibimenyetso byo kwibasirwa bikomeye birimo kugorana guhumeka, kubyimba cyane mu maso cyangwa mu muhogo, cyangwa gusa uruhu hose. Niba uhuye n'ikimenyetso icyo aricyo cyose muri ibi, shakisha ubufasha bwihuse bw'abaganga.

Abantu bamwe bashobora kugira impinduka mu bipimo by'imikorere y'umwijima, ni yo mpamvu muganga wawe azajya akurikirana urwego rw'ibi bipimo buri gihe. Mu buryo butavugwa cyane, abantu bashobora kugira ibibazo by'impyiko, nubwo ibi bikunze guterwa n'uburwayi bwa PH1 buriho aho guterwa n'umuti ubwawo. Itsinda ry'abaganga bazajya bakurikirana imikorere y'impyiko zawe neza mu gihe cyose uvurwa.

Ninde utagomba gufata Lumasiran?

Lumasiran yagenewe by'umwihariko abantu bafite hyperoxaluria yo mu bwoko bwa 1, bityo ntibikwiriye ku zindi ndwara z'amabuye yo mu mpyiko cyangwa ibibazo bya hyperoxaluria. Muganga wawe azemeza ko ufite PH1 binyuze mu kugenzura imiterere yawe ya genetike mbere yo kugutera uyu muti.

Abantu bafite allergie ikomeye kuri lumasiran cyangwa ibice byayo byose ntibagomba gukoresha uyu muti. Niba waragize allergie ikomeye ku miti yindi iterwa mu nshinge, gerageza kubiganiraho neza n'umuganga wawe mbere yo gutangira kuvurwa.

Niba ufite indwara ikomeye y'umwijima cyangwa imikorere y'umwijima yawe yarangiritse cyane, muganga wawe ashobora gukenera gusuzuma neza niba lumasiran ikwiriye kuri wowe, kuko uyu muti ukora cyane mu mwijima. Mu buryo nk'ubwo, niba ufite indwara ikomeye y'impyiko cyangwa uri ku byuma byo gukaraba impyiko, gahunda yawe yo kuvurwa ishobora gukenera kwitabwaho by'umwihariko.

Abagore batwite cyangwa bonka bagomba kuganira ku ngaruka n'inyungu za lumasiran n'umuganga wabo, kuko hari amakuru make ku mutekano wayo mu gihe cyo gutwita no konsa. Muganga wawe azagufasha gupima inyungu zishoboka n'ingaruka zishobora kukugeraho wowe n'umwana wawe.

Izina ry'ubwoko bwa Lumasiran

Lumasiran icururizwa ku izina rya Oxlumo muri Leta Zunze Ubumwe z'Amerika no mu bindi bihugu byinshi. Iri zina ry'ubwoko ryahiswemo kugira ngo ryerekane icyo uyu muti ugamije cyo kugabanya urwego rwa oxalate mu bantu bafite hyperoxaluria.

Oxlumo ikorwa na Alnylam Pharmaceuticals, isosiyete yihariye mu kuvura indwara zifashishije RNA. Uyu muti wemewe na FDA mu mwaka wa 2020, bituma uba umuti wa mbere wemewe wagenewe gukemura ikibazo cy'ibanze cya PH1 aho gukemura gusa ibimenyetso byayo.

Igihe uvugana n'abaganga cyangwa amasosiyete y'ubwishingizi ku bijyanye n'imiti uvurwa, bashobora kwita kuri uyu muti izina rusange (lumasiran) cyangwa izina ry'ubucuruzi (Oxlumo). Amazina yombi yerekeza ku muti umwe, bityo ntugacike intege niba wumva amagambo atandukanye akoreshwa mu buryo busimburana.

Uburyo bwo gusimbuza Lumasiran

Mbere y'uko lumasiran iboneka, uburyo bwo kuvura PH1 bwari buke kandi bushingiye cyane cyane ku gukemura ibimenyetso aho gukemura ikibazo cy'ibanze. Uburyo bwa kera bwakoreshwaga harimo kunywa amazi menshi, kugabanya oxalate mu byo kurya, n'imiti nka potassium citrate kugira ngo ifashe kwirinda kubyara amabuye.

Ku bantu bafite PH1 ikaze bafite uburwayi bw'impyiko, kwimura umwijima akenshi byari byo byonyine byari gukemura ikibazo. Kwimura umwijima birashobora kuvura PH1 kuko bisimbuza uturemangingo tw'umwijima twangiritse n'utuzima dukora enzyme itaboneka. Ariko, kwimura umwijima bifite ingaruka zikomeye kandi bisaba imiti igihe cyose yo kugabanya ubudahangarwa.

Abantu bamwe bafite PH1 bashobora kandi kungukira mu kwimura umwijima n'impyiko zifatanyije niba bafite indwara y'umwijima n'uburwayi bw'impyiko. Ariko, ubu buryo buragoye kandi ntibukwiriye kuri buri wese. Ukuboneka kwa lumasiran byahinduye cyane uburyo bwo kuvura, bitanga uburyo butavuna cyane bushobora kwirinda gukenera kwimura umwijima mu bihe byinshi.

Ubuvuzi bufasha nk'iyongerwa ry'amazi anyobwa, guhindura ibyo kurya, n'imiti yo gukora urine alkaline birashobora gukoreshwa hamwe na lumasiran kugira ngo bitange ubuvuzi bwuzuye ku bantu bafite PH1.

Ese Lumasiran iruta izindi miti ya PH1?

Lumasiran yerekana iterambere rikomeye ugereranije n'imiti ya gakondo ya PH1 kuko ni umuti wa mbere ugamije gukemura ikibazo cy'ingenzi cy'iyi ndwara aho gucunga gusa ibimenyetso byayo. Bitandukanye n'imirire igabanyije n'inyobwa y'amazi menshi, bitanga inyungu nto, lumasiran ishobora kugabanya oxalate ikorwa na 65% cyangwa kurenza.

Ugereranije no guhindura umwijima, lumasiran itanga uburyo bwo kuvura butavuna cyane bufite ibyago bike n'ingorane nkeya. Nubwo guhindura umwijima bishobora kuvura PH1, bisaba kubagwa bikomeye, imiti yo kugabanya ubudahangarwa ubuzima bwose, kandi bifite ibyago byo kwangwa n'izindi ngorane zikomeye. Lumasiran ifasha abantu gucunga indwara yabo neza mu gihe bakomeza ubuzima bwiza.

Uyu muti kandi utanga inyungu ugereranije n'imiti ishingiye ku bimenyetso nka potassium citrate cyangwa inyobwa y'amazi menshi. Nubwo ubu buryo bushobora gufasha kwirinda gukorwa kw'amabuye ku rugero runaka, ntibukemura ikibazo cy'ingenzi cyo gukorwa kwa oxalate nyinshi. Lumasiran itanga uburyo bwo gucunga indwara burambuye binyuze mu kugabanya umubare wa oxalate umubiri wawe ukora mbere na mbere.

Ariko, uburyo bwo kuvura bwiza buterwa n'imimerere yawe bwite, harimo ubukana bw'indwara yawe, ubuzima bwawe muri rusange, n'ibyo ukunda ku giti cyawe. Itsinda ryawe ry'ubuvuzi rizakorana nawe kugirango rimenye gahunda yo kuvura ikwiriye imiterere yawe yihariye.

Ibikunze Kubazwa Kuri Lumasiran

Ese Lumasiran irakwiriye abana?

Yego, lumasiran yemerewe gukoreshwa ku bana kandi byagaragaye ko ari umutekano kandi ifite akamaro ku barwayi ba PH1. Uyu muti wigishijwe ku bana bari hagati y'imyaka 6, kandi imiti itangwa ishingiye ku gipimo cy'umubiri kugirango hemeze urwego rwo kuvura rukwiye.

Abana akenshi bitwara neza cyane ku miti ya lumasiran, hamwe no kugabanya cyane urugero rwa oxalate mu nkari bishobora gufasha kwirinda amabuye yo mu mpyisi no kurengera impyisi zabo zigikura. Uburyo bwo guterwa urushinge bushobora gukenera guhindurwa ku bana bato, kandi ababyeyi cyangwa abagize umuryango bazahabwa imyitozo irambuye y'uburyo bwo gutanga umuti mu buryo bwizewe.

Abana barwaye bagomba gukurikiranwa neza mu gihe cyose cy'imiti, harimo ibizamini by'inkari bya buri gihe kugirango barebe urugero rwa oxalate n'ibizamini by'amaraso kugirango barebe imikorere y'impyisi n'umwijima. Itsinda ryita ku buzima bw'umwana wawe rizahindura gahunda y'imiti uko bakura kandi bagatera imbere kugirango habeho gukora neza no kurengera ubuzima.

Nkwiriye gukora iki niba niterese lumasiran nyinshi mu buryo butunganye?

Niba uteye lumasiran nyinshi mu buryo butunganye kuruta uko byategetswe, vugana n'umuganga wawe ako kanya cyangwa uhamagare abashinzwe ubumara. Nubwo ibibazo byo kurenza urugero bidasanzwe kuri lumasiran, ni ngombwa gutanga raporo ku makosa yose yo gutanga imiti kugirango itsinda ryawe ry'abaganga rigushobore neza.

Ntugerageze kwishyura kurenza urugero wirinda gukoresha imiti yawe iteganyijwe ikurikira keretse ubitegetswe n'umuganga wawe. Bashobora gushaka gukurikirana ibizamini byawe by'imikorere y'umwijima cyangwa urugero rwa oxalate nyuma yo kurenza urugero kugirango barebe ko ufite umutekano.

Kugirango wirinde kurenza urugero mu buryo butunganye, burigihe genzura kabiri urugero rwawe mbere yo guterwa urushinge kandi ubike imiti yawe neza kandi ibitswe neza. Niba utazi neza gahunda yawe yo gutanga imiti cyangwa ufite ibibazo byerekeye urugero rwo guterwa, vugana n'umuganga wawe mbere yo gukomeza guterwa urushinge.

Nkwiriye gukora iki niba nciweho urugero rwa lumasiran?

Niba waciweho urushinge rwa lumasiran rwari rwatanzwe, vugana n'umuganga wawe vuba bishoboka kugirango umenye uburyo bwiza bwo gukora. Muri rusange, ugomba gufata urugero wibagiwe ako kanya wibukira, hanyuma ugasubira muri gahunda yawe isanzwe yo gutanga imiti.

Ntugasubiremo doze kugira ngo wuzuze inshinge wasibye, kuko ibyo bishobora kongera ibyago byo kugira ingaruka ziterwa n'imiti. Muganga wawe ashobora guhindura igihe cyo gufata doze yawe itaha kugira ngo ugaruke mu murongo w'umugambi wawe w'ubuvuzi.

Kusiba doze imwe ntibishoboka ko byateza ibibazo ako kanya, ariko gerageza gukurikiza gahunda yawe isanzwe yo gufata inshinge uko bishoboka kose kugira ngo urwanye indwara neza. Tekereza gushyiraho ibyibutso kuri terefone yawe cyangwa kalendari kugira ngo bigufashe gukurikiza gahunda yawe y'ubuvuzi.

Ni ryari nshobora guhagarika gufata Lumasiran?

Ntabwo wagombye guhagarika gufata lumasiran utabanje kubiganiraho n'umuganga wawe. Kubera ko PH1 ari indwara ya genetike, umubiri wawe uzakomeza gukora oxalate nyinshi niba uhagaritse kuvurwa, ibyo bishobora gutuma amabuye yo mu mpyisi agaruka ndetse n'impyisi zikangirika.

Muganga wawe ashobora gutekereza guhindura gahunda yawe yo gufata imiti niba urimo kugenda neza mu kuvurwa, ariko guhagarika burundu ntibisanzwe byemezwa. Niba urimo guhura n'ingaruka ziterwa n'imiti zituma wumva ubabaye cyangwa ufite impungenge zo gukomeza kuvurwa, ganira mu buryo bweruye n'ikipe yawe y'ubuvuzi ku bijyanye n'ibyo wahitamo.

Mu bihe bimwe na bimwe, niba uteganya kubagwa umwijima, muganga wawe ashobora kuganira ku gihe cyo gufata umuti wa lumasiran mbere y'uko icyo gikorwa kibaho. Ariko, ibyo byemezo bigomba gufatirwa hamwe n'ikipe yawe y'abaganga babaga umwijima ndetse n'inzobere za PH1.

Nshobora kugenda mfite Lumasiran?

Yego, urashobora kugenda ufite lumasiran, ariko bisaba gutegura kuko uwo muti ugomba kubikwa muri firigo. Mu gihe uri mu rugendo, shyira umuti wawe mu gikapu gifite ibikoresho bikonjesha hamwe n'ibikombe by'urubura kandi witwaze ibaruwa iturutse kwa muganga wawe isobanura impamvu ukeneye uwo muti.

Niba uri mu ndege, shyira lumasiran yawe mu gikapu cyitwazwa mu ntoki aho gushyirwa mu gikapu gishyirwa mu gice cy'imizigo kugira ngo wirinde ko gukonja mu gice cy'imizigo. Abashinzwe umutekano ku kibuga cy'indege bashobora gukenera gusuzuma umuti wawe, bityo ukwiye guteganya igihe gihagije cyo gusuzumwa kandi ukazana inyandiko zerekeye umuti wawe.

Ku ngendo ndende, shaka ibitaro biri ahantu ujya niba wenda wazakeneye ubufasha bwo guterwa urushinge cyangwa ufite ikibazo icyo aricyo cyose cy'ubuvuzi. Tekereza kuzana ibikoresho byinshi niba habayeho gutinda, kandi wibuke kugira imiti ihagije izagufasha mu rugendo rwawe rwose hamwe n'iminsi mike y'inyongera.