Icyo Delandistrogene Moxeparvovec-rokl ari cyo: Ibyo ikoreshwa, urugero rwo kuyikoresha, ingaruka zayo, n'ibindi

Delandistrogene moxeparvovec-rokl ni uburyo bushya bwo kuvura binyuze mu gene therapy bugenewe gufasha abahungu barwaye indwara ya Duchenne muscular dystrophy (DMD). Ubu buryo bushya bukorwa binyuze mu gutanga urugero rwahinduwe rwa gene ya dystrophin mu turemangingo tw'imitsi, bikabafasha gukora poroteyine bakeneye cyane. Bitekereze nk'aho uha imitsi yawe igishushanyo cyari cyaburiye kugira ngo yubake imitsi ikomeye kandi ikora neza.

Ubu buryo bwo kuvura bugize intambwe ikomeye mu kuvura indwara yari ifite uburyo bwo kuyivura butari bwinshi. Nubwo atari umuti, itanga icyizere nyacyo cyo kugabanya uko indwara ikomeza ndetse no guteza imbere imibereho myiza y'abana n'imiryango yugarijwe na DMD.

Icyo Delandistrogene Moxeparvovec-rokl ari cyo?

Delandistrogene moxeparvovec-rokl ni umuti wa gene therapy ukoresha virus yahinduwe kugira ngo itange ibikoresho bya genetike mu turemangingo tw'imitsi. Ubu buryo bwo kuvura bugenewe by'umwihariko abahungu bafite imyaka 4-5 barwaye Duchenne muscular dystrophy, indwara ya genetike itera intege nke z'imitsi n'imitsi yangirika.

Uyu muti ukora ukoresha virus idafite ingaruka yitwa adeno-associated virus (AAV) nk'igikoresho cyo gutanga umuti. Iyi virus yahinduwe kugira ngo itware urugero rugufi ariko rukora neza rwa gene ya dystrophin. Iyo yatewe mu maraso, ijya mu turemangingo tw'imitsi mu mubiri hose ikabafasha gutangira gukora poroteyine ya dystrophin.

Igituma ubu buryo bwo kuvura budasanzwe ni uko ari urukingo rumwe aho kuba umuti wa buri munsi. Iyo gene therapy itanzwe, intego ni uko turemangingo tw'imitsi dukomeza gukora poroteyine ya dystrophin mu myaka iri imbere.

Delandistrogene Moxeparvovec-rokl ikoreshwa mu kuvura iki?

Ubu buvuzi bwo mu ntsinga bwemerejwe by'umwihariko kuvura indwara ya Duchenne muscular dystrophy mu bahungu bari hagati y'imyaka 4 na 5. DMD ni indwara idasanzwe ya genetike ifata hafi umwe mu bavuka 3,500 kugeza 5,000 b'abahungu ku isi hose, bigatuma iba uburyo busanzwe bwa muscular dystrophy mu bana.

Ubu buvuzi bugamije gukemura ikibazo cy'ibanze cya DMD, ari ukubura poroteyine ya dystrophin ikora neza. Abahungu barwaye DMD bafite impinduka mu gene ya dystrophin zituma imitsi yabo idakora iyi poroteyine y'ingenzi. Hatabayeho dystrophin, imitsi yangirika kandi igacika intege uko igihe kigenda.

Ubu buvuzi ubu bwemerejwe gusa ku itsinda ry'imyaka ryihariye cyane kuko ubushakashatsi bwerekana ko bushobora gukora neza iyo butanzwe hakiri kare mu rugendo rw'indwara. Ku myaka 4-5, abahungu benshi barwaye DMD baracyafite imikorere y'imitsi ikomeye, kandi ubu buvuzi bwo mu ntsinga bushobora gufasha kubungabunga no gukomeza ibyo bafite.

Uburyo Delandistrogene Moxeparvovec-rokl ikora

Ubu buvuzi bwo mu ntsinga bukora mu gutanga amabwiriza mashya ku ngirangingo z'imitsi yo gukora poroteyine ya dystrophin. Ubu buvuzi bukoresha virusi yahinduwe kugira ngo ibe nziza rwose mugihe ikora nk'imodoka yo gutwara ibikoresho bya genetike.

Iyo imaze guterwa mu maraso, virusi yahinduwe igenda mu mubiri hose kandi ikibanda ku ngirangingo z'imitsi. Virusi itwara verisiyo ngufi ya gene ya dystrophin yitwa "micro-dystrophin." Nubwo iyi verisiyo ntoya kurusha gene ya dystrophin yuzuye, irimo ibice by'ingenzi bikenewe kugira ngo imitsi ikore neza.

Nyuma yuko virusi itanze ibikoresho bya genetike mu ngirangingo z'imitsi, izo ngirangingo zitangira gukora poroteyine ya micro-dystrophin. Iyi poroteyine ifasha gukomeza imitsi no kuyirinda kwangirika mugihe cy'imigendekere n'ibikorwa bisanzwe. Intego ni ukugabanya cyangwa gukumira intege nke z'imitsi zigenda zigaragaza DMD.

Nk'ubuvuzi bw'imirerere, ubu buvuzi bufatwa nk'ubufite imbaraga nyinshi kuko buvura imiterere y'ibanze y'indwara aho gucunga gusa ibimenyetso. Ariko, ni ngombwa kumva ko ibisubizo bishobora gutandukana ku muntu ku muntu, kandi ubu buvuzi buracyigwa kugira ngo bumenye ingaruka z'igihe kirekire.

Nagomba Gute Gukoresha Delandistrogene Moxeparvovec-rokl ku mwana wanjye?

Delandistrogene moxeparvovec-rokl itangwa nk'urukingo rumwe rwo mu maraso, bivuze ko rutangwa mu maraso binyuze mu muyoboro w'imitsi. Iyi nzira igomba gukorerwa mu kigo cy'ubuvuzi cyihariye n'abakozi b'ubuzima bafite uburambe mu gutanga ubuvuzi bw'imirerere.

Mbere yo gutera urukingo, umwana wawe azakenera ibyumweru byinshi byo kwitegura hamwe n'imiti ya corticosteroid nka prednisolone. Iyi miti ifasha kugabanya ibyago byo kwibasirwa n'ubudahangarwa ku buvuzi. Itsinda ry'ubuzima ryawe rizatanga gahunda yihariye y'iyi miti yo mbere y'ubuvuzi, kandi ni ngombwa kuyikurikiza uko byategetswe.

Ku munsi wo kuvurwa, umwana wawe azahabwa urukingo mu masaha menshi akurikiranwa neza. Itsinda ry'abaganga rizakurikirana ibimenyetso byose byo kwibasirwa n'ubudahangarwa cyangwa izindi ngorane. Umwana wawe ashobora gukenera kuguma mu bitaro kugira ngo akurikiranwe byibuze amasaha 24 nyuma yo guterwa urukingo.

Nyuma yo kuvurwa, umwana wawe azakomeza gufata imiti ya corticosteroid mu byumweru byinshi kugira ngo afashe kwirinda kwibasirwa n'ubudahangarwa. Itsinda ry'ubuzima ryawe rizagabanya buhoro buhoro urugero rwawo uko igihe kigenda, hakurikijwe gahunda yihariye.

Umwana wanjye agomba kumara igihe kingana iki akoresha Delandistrogene Moxeparvovec-rokl?

Delandistrogene moxeparvovec-rokl yateguwe nk'ubuvuzi bumwe, bivuze ko umwana wawe agomba guhabwa ubu buvuzi bw'imirerere rimwe gusa. Bitandukanye n'imiti ya buri munsi, ubu buvuzi bugamije gutanga inyungu zirambye kuva mu rukingo rumwe.

Ariko, imiti ifasha umwana wawe afata mbere na nyuma yo kuvurwa na gene therapy izakenera gukomeza mu byumweru byinshi. Imiti ya corticosteroid itangira mbere yo kuvurwa ikunze gutangira mu byumweru 2-3 mbere yo guterwa urushinge, kandi imiti ya corticosteroid nyuma yo kuvurwa ikunze gukomeza mu byumweru 6-8 nyuma yaho.

Ingaruka za gene therapy zigamije kuba zihoraho, kuko ibikoresho bya genetike bigenda byinjira mu turemangingo tw'imitsi kandi bigakomeza gukora poroteyine ya micro-dystrophin uko igihe kigenda. Ubushakashatsi bwa kliniki buracyakorwa kugira ngo bamenye neza igihe izi nyungu zishobora kumara.

Ni ngombwa kumenya ko nubwo umwana wawe amaze guhabwa gene therapy, azakenera gukomeza kwitabwaho na ikipe y'abaganga. Ibi birimo gukurikirana ingaruka zose zishobora kubaho no gukurikirana uko DMD yabo igenda kugira ngo barebe uko imiti ikora neza.

Ni izihe ngaruka ziterwa na Delandistrogene Moxeparvovec-rokl?

Kimwe n'imiti yose ikomeye, delandistrogene moxeparvovec-rokl ishobora gutera ingaruka, nubwo atari buri wese uzibona. Kumva icyo witegura bishobora kugufasha kumva witeguye kandi ukamenya igihe wakwibutsa ikipe yawe y'ubuzima.

Ingaruka zisanzwe ushobora kubona ku mwana wawe zirimo isesemi, kuruka, n'umuriro, bikunze kubaho mu minsi mike nyuma yo guterwa urushinge. Izi mpinduka zikunze kuba nto kandi zishobora guhangana n'ubufasha nk'ikiruhuko, amazi, n'imiti igabanya umuriro cyangwa isesemi.

Dore ingaruka zikunze gutangazwa zo kwitondera:

• Isesemi no kuruka
• Umuriro no kunanirwa
• Kugabanya ubushake bwo kurya
• Umutwe
• Urubavu rw'imitsi cyangwa kutumva neza
• Ibimenyetso byo mu myanya y'ubuhumekero nk'inkorora cyangwa amazuru
• Uruhu rurashye cyangwa kurakara

Izi ngaruka zisanzwe zikunze gukira mu minsi mike kugeza ku cyumweru kimwe nyuma yo kuvurwa. Ikipe yawe y'ubuzima izatanga ubuyobozi bwihariye ku bijyanye no guhangana n'izi mpinduka no kumenya igihe cyo gushaka ubufasha bw'ubuvuzi.

Ingaruka zikomeye ntizikunze kubaho ariko zisaba ubufasha bwihuse bw'abaganga. Zishobora kuba zirimo ibimenyetso bikomeye byo kwibasirwa n'umubiri, impinduka zikomeye mu mikorere y'umwijima, cyangwa intege nke zidasanzwe z'imitsi. Umwana wawe azagenzurwa cyane mu bitaro nyuma y'uko aterewe urukingo kugira ngo barebe niba hari ibibazo bikomeye byagaragara.

Abana bamwe bashobora kugira icyo bita "uburwayi bwo mu mubiri bwose," bushobora gutera ibimenyetso bikomeye nk'umuriro mwinshi, guhumeka bigoranye, cyangwa impinduka mu mutima. Iyo ni yo mpamvu ubu buvuzi butangirwa ahantu habugenewe hamwe n'amakipe y'abaganga bafite ubunararibonye.

Ingaruka zirambye ziracyigwa kuko ubu buvuzi bukiri bushya. Itsinda ry'abaganga bazakomeza kugenzura umwana wawe binyuze mu biganiro bisanzwe byo gukurikirana kugira ngo bamenye ingaruka zatinze kandi barebe ko ubu buvuzi bukora neza.

Ninde utagomba gufata Delandistrogene Moxeparvovec-rokl?

Ubu buvuzi bwo mu nini ntibukwiriye kuri buri wese, kandi hariho ibihe byihariye butagomba gukoreshwamo. Itsinda ry'abaganga bazagenzura neza niba umwana wawe akwiriye ubu buvuzi.

Abana bari barahuye n'ubwoko bwihariye bwa virusi bukoreshwa muri ubu buvuzi (AAV9) bashobora kutemezwa. Niba umubiri w'umwana wawe waramaze gukora imbaraga zirwanya iyi virusi, ubu buvuzi ntibushobora gukora neza kandi bushobora gutera ingaruka zikomeye.

Dore ibihe by'ingenzi ubu buvuzi butagomba gukoreshwamo:

• Abana batari mu myaka yemewe (ubu ni imyaka 4-5)
• Abafite imbaraga nyinshi zirwanya virusi ya AAV9
• Abana bafite indwara zikomeye cyangwa imikorere y'umubiri idahagije
• Abafite indwara zikomeye z'umwijima cyangwa imikorere y'umwijima idahagije
• Abana bafite indwara zimwe na zimwe z'umutima zituma baba bafite ibyago byinshi byo gukorerwa ubu buryo
• Abatafashwe neza n'imiti ya corticosteroid

Itsinda ryita ku buzima bw'umwana wawe rizazirikana kandi imiterere y'ubuzima bwe muri rusange, harimo ibimenyetso bya DMD afite ubu n'izindi ndwara ashobora kuba afite. Umwanzuro wo gukomeza gukoresha ubuvuzi bushingiye ku gene bisaba kuzirikana neza inyungu zishobora kuzanwa n'ubwo buvuzi n'ibishobora guteza umwana ku giti cye.

Byongeye kandi, niba umwana wawe yarafashe inkingo zimwe na zimwe zikiri nzima vuba aha, ubuvuzi bushobora gusubikwa. Itsinda ryita ku buzima bw'umwana wawe rizasuzuma amateka y'inkingo umwana wawe yahawe kandi rishobora gusaba guhindura igihe cyo gutanga inkingo zisanzwe.

Izina ry'urugero rya Delandistrogene Moxeparvovec-rokl

Delandistrogene moxeparvovec-rokl icururizwa ku izina ry'urugero rya Elevidys. Iri zina ry'urugero ryoroshye cyane kwibuka no kuvuga kurusha izina risanzwe ryuzuye, bityo birashoboka ko uzumva itsinda ryita ku buzima bwawe ririvuga nka Elevidys mu biganiro byinshi.

Elevidys ikorwa na Sarepta Therapeutics kandi yateguwe by'umwihariko mu kuvura indwara ya Duchenne muscular dystrophy. Uyu muti wahawe uburenganzira bwo kwemezwa bwihuse na FDA, bivuze ko wemejwe hashingiwe ku ngaruka nziza zagaragaye hakiri kare mu gihe inyigo zirambye zigikomeje.

Igihe uvugana n'itsinda ryita ku buzima bwawe, isosiyete y'ubwishingizi, cyangwa indi miryango kuri ubu buvuzi, urashobora gukoresha izina iryo ariryo ryose. Ariko, Elevidys ni ryo rizwi cyane kandi ryoroshye kuvugaho mu biganiro bya buri munsi.

Uburyo bwo kuvura bwa Delandistrogene Moxeparvovec-rokl

Mugihe Elevidys ihagarariye intambwe ikomeye mu kuvura DMD, hariho n'ubundi buryo bwo kuvura itsinda ryita ku buzima bwawe rishobora kuzirikana. Ubu buryo bukora mu buryo butandukanye kandi bushobora gukwira bitewe n'imiterere y'umwana wawe n'ibyo akeneye.

Ubuvuzi gakondo bwa DMD bushingiye ku kugenzura ibimenyetso no kugabanya uko indwara ikura. Imiti ya Corticosteroids nka prednisone cyangwa deflazacort iracyari amahitamo y'ingenzi ashobora gufasha kubungabunga imbaraga z'imitsi n'imikorere yayo. Iyi miti ifatwa buri munsi kandi imaze imyaka myinshi ikoreshwa ifite inyungu n'ibibazo bizwi neza.

Dore ubuvuzi nyamukuru busanzwe buboneka:

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• Corticosteroids (prednisone, deflazacort) yo kubungabunga imbaraga z'imitsi
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• Eteplirsen (Exondys 51) kubera impinduka zidasanzwe za genetike
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• Golodirsen (Vyondys 53) kubera impinduka zimwe na zimwe za DMD
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• Casimersen (Amondys 45) kubera ubwoko bwihariye bwa genetike
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• Ubuvuzi bwo mu mubiri no gufasha
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• Gufasha mu guhumeka no mu mutima uko bibaye ngombwa
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Imiti imwe n'imwe ikora hakoreshejwe uburyo bwise

Ubushakashatsi bwakozwe kuri Elevidys bwerekanye ibisubizo byiza mu bijyanye no gukora poroteyine ya dystrophin ndetse no mu bipimo bimwe na bimwe by'imikorere y'imitsi. Ariko, ni ngombwa kumva ko ubu buvuzi bukiri bushya, kandi ibizava muri bwo mu gihe kirekire biracyigwaho.

Ubuvuzi busanzwe nk'ubwo gukoresha imiti ya corticosteroid bumaze imyaka myinshi bushakishwa kandi bumenyerewe neza ku nyungu n'ibibazo byabwo. Nubwo butavura ikibazo cy'ibanze cy'imiterere ya DMD, bwagaragaje ko bufasha mu kugabanya uko indwara ikura kandi buhendutse cyane kurusha ubuvuzi bwo gukoresha imirasire.

Ubuvuzi "bwiza" ku mwana wawe buterwa n'ibintu byinshi, harimo imyaka ye, imiterere ye yihariye ya genetike, ibimenyetso afite ubu, ubuzima bwe muri rusange, n'ibyo umuryango wawe wifuza. Itsinda ry'abaganga baravura barashobora kugufasha gupima inyungu n'ibibazo bishobora guterwa na buri kimwe hashingiwe ku miterere yihariye y'umwana wawe.

Ibibazo bikunze kubazwa kuri Delandistrogene Moxeparvovec-rokl

Ese Delandistrogene Moxeparvovec-rokl irinzwe ku bana bafite ibibazo by'umutima?

Abana bafite DMD akenshi bagira ibibazo by'umutima nk'igice cy'uburwayi bwabo, bityo ibi ni ibintu by'ingenzi byo kwitaho. Umutekano wa Elevidys ku bana bafite ibibazo by'umutima bitewe n'uburemere n'ubwoko bw'ibibazo by'umutima bihari.

Umuvuzi w'umutima w'umwana wawe azagomba gusuzuma imikorere y'umutima mbere y'uko ubuvuzi bwo gukoresha imirasire bwatekerezwa. Impinduka nto z'umutima zisanzwe muri DMD zirashobora kutabuza ubuvuzi, ariko ibibazo bikomeye by'umutima bishobora kongera ibyago byo gukora uwo murimo.

Itsinda ry'abaganga bazakora isuzuma ryimbitse ry'umutima, harimo echocardiograms ndetse n'ibindi bizami bishoboka, kugirango bamenye niba umutima w'umwana wawe ukomeye bihagije kugirango avurwe. Bazanakurikirana imikorere y'umutima hafi cyane mu gihe cyo gutera umuti no nyuma yaho.

Nkwiriye gukora iki niba umwana wanjye agize ibibazo bikomeye mu gihe cy'ubuvuzi?

Ibimenyetso bikomeye mu gihe cyo kuvura hifashishijwe imirasire y'urugera ni bike ariko birashoboka, ni yo mpamvu ubu buvuzi butangirwa mu kigo cy'ubuvuzi cyihariye gifite amatsinda y'inzobere. Niba ikimenyetso gikomeye kibayeho, itsinda ry'abaganga ryiteguye guhita ryitabaza.

Uko guterwa imirasire bishobora kugabanywa cyangwa guhagarikwa by'agateganyo niba umwana wawe agaragaza ibimenyetso byo kwibasirwa n'umubiri cyangwa izindi ngorane. Itsinda ry'abaganga rifite imiti n'ibikoresho byiteguye guhangana n'ibimenyetso bikomeye bishobora kubaho.

Ibimenyetso by'ibimenyetso bikomeye birimo kugorwa no guhumeka, impinduka zikomeye ku mutima cyangwa umuvuduko w'amaraso, isesemi rikomeye cyangwa kuruka, cyangwa impinduka zidasanzwe mu myitwarire cyangwa ubwenge bw'umwana wawe. Itsinda ry'abaganga rizakurikirana ibi bimenyetso buri gihe mu gihe cy'ubuvuzi.

Uruhare rwawe nk'umubyeyi ni ukuguma utuje kandi ukamenyesha itsinda ry'abaganga ako kanya niba ubonye ikintu icyo aricyo cyose giteye impungenge ku buzima bw'umwana wawe. Abaganga b'inzobere bahawe imyitozo yo guhangana n'ibi bihe kandi bazafata ingamba zikwiye zo kurinda umwana wawe.

Nkwiriye gukora iki niba umwana wanjye agize ingaruka nyuma yo gutaha?

Nyuma yo gutaha, ni ibisanzwe ko umwana wawe agira ingaruka zoroheje nk'umunaniro, umuriro muke, cyangwa kugabanyuka k'ipfa. Itsinda ryawe ry'ubuvuzi rizatanga amabwiriza yihariye yerekeye icyo wakwitega n'igihe cyo kubahamagara.

Ku bimenyetso byoroheje, urashobora gutanga ubufasha nk'uko wemeza ko umwana wawe aruhuka bihagije, akaguma mu mazi, kandi agafata imiti yose yategetswe nk'uko byategetswe. Gukurikirana ibimenyetso n'uburemere bwabyo kugirango ubimenyeshe neza itsinda ryawe ry'ubuvuzi.

Ugomba guhamagara itsinda ryawe ry'ubuvuzi ako kanya niba umwana wawe agize umuriro mwinshi, kuruka cyane, kugorwa no guhumeka, intege nke zidasanzwe, cyangwa izindi ngaruka ziteye impungenge. Bazaba baraguhaye amabwiriza yihariye n'amakuru yo guhamagara mu gihe cy'ubutabazi mbere yo kuva mu bitaro.

Ingaruka nyinshi ziterwa n'imiti ziragenda zikemuka nyuma y'iminsi mike cyangwa icyumweru nyuma yo kuvurwa. Ariko, umwana wawe azajya agira gahunda yo gusuzumwa kenshi aho itsinda ry'abaganga rishobora gukurikirana imikoreshereze y'imiti ye no gukemura ibibazo byose bikomeje.

Tuzamenya ryari niba imiti ikora?

Igihe cyo kubona ibisubizo bya gene therapy birashobora gutandukana, kandi ni ngombwa kugira ibyiringiro bifatika kubyo wareba n'igihe. Bitandukanye n'imiti imwe ikora vuba, ibisubizo bya gene therapy mubisanzwe bigenda bigaragara buhoro buhoro mu gihe cy'amezi.

Itsinda ry'ubuvuzi rizifashisha ibizamini bitandukanye kugirango rikore imikoreshereze y'umwana wawe, harimo ibizamini by'amaraso kugirango bipime urwego rwa poroteyine ya dystrophin n'isuzuma ry'imikorere kugirango risuzume imbaraga z'imitsi n'imigendekere. Ibi bisuzuma mubisanzwe bitangira amezi make nyuma yo kuvurwa kandi bikomeza buri gihe.

Imiryango imwe ibona impinduka ntoya mu rwego rw'imbaraga z'abana babo cyangwa ubushobozi bwabo bwo gukora imirimo mu mezi 6-12, ariko impinduka zikomeye zirashobora gutwara igihe kirekire kugirango zigaragare. Intego akenshi ni ukugabanya imikorere y'indwara aho gukora impinduka zikomeye ku bimenyetso bihari.

Ni ngombwa kwibuka ko gene therapy igikorerwa ubushakashatsi, kandi ibisubizo birashobora gutandukana cyane ku mwana umwe n'undi. Itsinda ry'ubuvuzi rizagufasha gusobanukirwa icyo witegura n'uburyo bwo gusobanura ibizamini bitandukanye n'isuzuma bikoreshwa mugukurikirana imikoreshereze.

Umwana wanjye ashobora guhabwa izindi miti hamwe na gene therapy?

Yego, gene therapy mubisanzwe ikoreshwa nk'igice cy'umugambi wuzuye wo kuvura ushobora gushyiramo izindi terapiya zishyigikira. Umwana wawe mubisanzwe ashobora gukomeza gukoresha terapiya y'imibiri, terapiya y'akazi, n'izindi ngamba zishyigikira zifasha gukomeza imikorere n'imibereho myiza.

Ariko, imiti imwe irashobora gukenera guhindurwa cyangwa guhagarikwa by'agateganyo mugihe cya gene therapy. Urugero, imiti imwe irashobora kubangamira imiti ikoreshwa mbere na nyuma yo gutera.

Itsinda ry'ubuvuzi ryawe rizasuzuma imiti yose n'imiti umwana wawe afata ubu kugira ngo barebe niba ijyanye na gene therapy. Bazatanga ubuyobozi bwihariye ku byo wakomeza, ibikeneye guhindurwa, n'ibigomba guhagarikwa by'agateganyo.

Intego ni ukurema gahunda y'imiti ihuza ibikorwa byose kugira ngo byongere inyungu mu gihe bigabanya ibyago. Ibi bikunze gusaba ubufatanye hagati y'inzobere nyinshi, harimo abaganga b'imitsi, abaganga b'umutima, abaganga b'ibihaha, n'abavura indwara z'imyanya y'umubiri.