Icyo Bevacizumab ari cyo: Ibikoreshwa, Urutonde rw'imiti, Ingaruka zayo n'ibindi

Bevacizumab ni umuti w'indwara ya kanseri ugamije guhagarika gukura kwa tumor binyuze mu kubuza imitsi y'amaraso gukora. Ubu buvuzi bwihariye bukora mu guhagarika amaraso tumor zikeneye kugira ngo zikure kandi zikwirakwire mu mubiri wawe.

Nka monoclonal antibody, bevacizumab ihagarariye uburyo burambuye bwo kuvura kanseri ugereranije na chemotherapy gakondo. Muganga wawe w'inzobere mu by'indwara ya kanseri ashobora kugusaba uyu muti nk'igice cy'ubuvuzi bwawe bwuzuye bwa kanseri, akenshi hamwe n'ubundi buvuzi kugira ngo uguhe umusaruro mwiza ushoboka.

Bevacizumab ni iki?

Bevacizumab ni poroteyine yakorewe muri laboratori ikora nk'imisemburo y'umubiri wawe isanzwe y'umubiri. Igamije by'umwihariko poroteyine yitwa VEGF (vascular endothelial growth factor) tumor zikoresha kugira ngo zikore imitsi mishya y'amaraso.

Tekereza VEGF nk'ikimenyetso kibwira umubiri wawe kubaka imihanda y'urujya n'uruza rw'amaraso. Inzeli za kanseri zohereza ibimenyetso byinshi kugira ngo zibone intungamubiri zikeneye kugira ngo zikure. Bevacizumab ibuza ibi bimenyetso, mu by'ukuri igahagarika ibyo tumor zikoresha.

Uyu muti ubarirwa mu cyiciro cyitwa angiogenesis inhibitors, bivuze ko ibuza ikorwa ry'imitsi mishya y'amaraso. Mu gukora ibi, bishobora gufasha kugabanya gukura kwa kanseri no gutuma ubundi buvuzi bwa kanseri bukora neza.

Bevacizumab ikoreshwa mu iki?

Bevacizumab ivura ubwoko butandukanye bwa kanseri zateye imbere, cyane cyane iyo zikwirakwiriye cyangwa zagarutse nyuma y'ubuvuzi bwa mbere. Muganga wawe arayandika iyo inzeli za kanseri zateje imbere imiyoboro yazo y'amaraso.

Kanseri zisanzwe zivurwa na bevacizumab zirimo kanseri y'urugingo rw'igifu, kanseri y'ibihaha, kanseri y'impyiko, na tumor zimwe zo mu bwonko zizwi nka glioblastomas. Ikoreshwa kandi mu kanseri zimwe zo mu gitsina gore nka kanseri y'intanga ngore na kanseri y'inkondo y'umura.

Umuganga wawe w’indwara z’umubiri akunda guhuza bevacizumab na chemotherapy aho kuyikoresha yonyine. Ubu buryo bwo guhuza imiti akenshi bukora neza kurusha uko imiti yombi yakoreshwa yonyine, bigaha umubiri wawe uburyo bwinshi bwo kurwanya kanseri.

Mu bindi bihe, abaganga bakoresha bevacizumab mu ndwara z’amaso nk’uburwayi bwo mu maso bujyanye n’imyaka, nubwo ibi bisaba uburyo butandukanye bwo kuyikora n’uko ikoreshwa kurusha uko ikoreshwa mu kuvura kanseri.

Bevacizumab ikora ite?

Bevacizumab ikora ikora ifatana na poroteyine za VEGF mu maraso yawe, ikabuza izo poroteyine kwifatanya n’uturemangingo tw’imitsi y’amaraso. Ibi bibuza ikimenyetso cyari gitegeka umubiri wawe gukura imitsi mishya y’amaraso yerekeza ku gishyitsi cya kanseri.

Nka terapiya igamije, bevacizumab ifatwa nk’umuti ufite imbaraga ziringaniye ukora mu buryo butandukanye na chemotherapy isanzwe. Aho guhita yica uturemangingo twa kanseri, ibabuza ibibatunga ikatira amaraso abajyana.

Uyu muti uzenguruka mu maraso yawe mu byumweru byinshi nyuma ya buri nkingo. Muri iki gihe, ikomeza kubuza ibimenyetso bya VEGF, bigafasha gusubiza mu buryo busanzwe imiyoboro y’imitsi y’amaraso idahwitse itumba rya kanseri rikora.

Ubu buryo bushobora gutuma utumba twa kanseri tworoha kurushaho mu zindi nshuti nk’ubuvuzi bwa chemotherapy cyangwa radiyo, niyo mpamvu abaganga bakunda gukoresha bevacizumab nk’igice cya terapiya ihuriweho aho kuyikoresha yonyine.

Nkwiriye gufata bevacizumab nte?

Bevacizumab itangwa gusa binyuze mu nkingo zinyuzwa mu maraso (IV) mu kigo kivura kanseri cyangwa mu bitaro. Ntushobora gufata uyu muti unywa cyangwa kwitera wenyine mu rugo.

Inkingo yawe ya mbere akenshi ifata iminota 90, ikemerera ikipe yawe y’abaganga gukurikirana uko umubiri wawe witwara. Niba uyihanganye neza, inkingo zikurikira zirashobora kugabanywa ku minota 60, hanyuma amaherezo ku minota 30.

Ntabwo ukeneye kwiyiriza mbere yo kuvurwa, ariko kurya ifunguro ryoroshye mbere bishobora kugufasha kumva umeze neza mugihe cyo guterwa urushinge. Zana amazi n'udusimba, kuko uzaba wicaye igihe kirekire.

Umuforomo wawe uzagutera urushinge azajya areba ibimenyetso byawe by'ubuzima buri gihe kandi arebe niba hari ibibazo byihuse. Umuti uvangwa n'umuti wa saline kandi utangwa buhoro buhoro unyuze mumuyoboro wawe wa IV kugirango ugabanye ingaruka.

Nzamara Igihe Kingana Iki Nterwa Bevacizumab?

Igihe cyo kuvurwa na bevacizumab gitandukana cyane bitewe n'ubwoko bwa kanseri yawe, icyiciro, n'uburyo witwara neza mugihe uvurwa. Abantu benshi bahabwa urushinge buri byumweru 2-3 mumyaka myinshi.

Umuvuzi wawe w'indwara z'umwijima azagenzura kanseri yawe akoresheje ibizamini bisanzwe n'amaraso kugirango amenye niba imiti ikora. Niba kanseri yawe isubiza neza kandi wihanganira umuti, kuvurwa birashobora gukomeza mumyaka 6-12 cyangwa irenga.

Abantu bamwe bakomeza bevacizumab nk'ubuvuzi bwo kubungabunga nubwo kanseri yabo isa nkaho igenzurwa. Ubu buvuzi bukomeza bufasha gukumira kanseri guteza imitsi mishya y'amaraso no gushobora kongera gukura.

Muganga wawe azaganira no guhagarika kuvurwa niba kanseri yawe ikomeje nubwo uvurwa, niba ugize ingaruka zikomeye, cyangwa niba ukeneye kubagwa bisaba igihe cyo gukira.

Ni Iyihe Ngaruka Ziterwa na Bevacizumab?

Kumenya ingaruka zishobora guterwa bifasha kumenya icyo wakwitega nigihe cyo kuvugana n'ikipe yawe y'ubuzima. Abantu benshi bahura n'ingaruka zimwe, ariko akenshi birashobora gucungwa neza n'ubufasha bukwiye no kugenzura.

Ingaruka zisanzwe abantu benshi bahura nazo zirimo umuvuduko wamaraso mwinshi, umunaniro, no kuva amazuru. Ushobora kandi kubona impinduka mumyumvire yawe, isesemi ryoroshye, cyangwa gukomereka cyane biturutse kumikubito mito.

Hano hari ingaruka zivugwa kenshi:

• Umubyago mwinshi w'amaraso usaba guhindura imiti
• Umunaniro n'intege nke bishobora kwiyongera uko igihe kigenda
• Ukuva amaraso mu mazuru cyangwa ibindi bihe byo kuva amaraso byoroheje
• Poroteyine mu nkari zawe zagaragajwe mu bizami bisanzwe
• Impinduka z'uburyohe zigira ingaruka ku rwego rwawe rwo kurya
• Isesemi ryoroshye kugeza riri hagati
• Ukwiyongera kw'ibikomere cyangwa gukira kw'ibikomere bitinda

Ingaruka zikomeye zisaba ubufasha bwihuse bw'abaganga, nubwo zibaho kenshi. Izi ngorane zishobora guteza akaga iyo zitavuzwe vuba n'ikipe yawe y'ubuvuzi.

Ingaruka zidakunze ariko zikomeye zirimo:

• Kuva amaraso menshi mu gifu cyawe, mu bihaha, cyangwa mu bwonko
• Ududuko tw'amaraso mu maguru yawe, mu bihaha, cyangwa ku mutima
• Icyuho cyangwa amarira mu rukuta rw'amara yawe (perforation)
• Urugero rukomeye rw'umubyago mwinshi w'amaraso
• Ibibazo by'umutima harimo kunanirwa kw'umutima
• Ukwangirika kw'impyiko hamwe no gutakaza poroteyine
• Urugero rukomeye rw'uburwayi bwo kwibasirwa n'umubiri mu gihe cyo gutera umuti

Ikipe yawe y'ubuvuzi ikurikirana izi ngorane zikomeye binyuze mu bizami bisanzwe by'amaraso, kugenzura umubyago w'amaraso, n'ibizamini by'umubiri. Kumenya no kuvura hakiri kare ingaruka birinda ingorane nyinshi kuba zikomeye.

Ninde utagomba gufata Bevacizumab?

Uburwayi runaka n'ibihe bituma bevacizumab idatekanye cyangwa bisaba ingamba zidasanzwe. Umuganga wawe w'indwara z'umubiri azasuzuma neza amateka yawe y'ubuvuzi mbere yo gutanga uyu muti.

Ntabwo ugomba guhabwa bevacizumab niba utwite cyangwa ufite gahunda yo gutwita, kuko bishobora gutera ubumuga bukomeye bwo kuvuka. Abagore bafite imyaka yo kubyara bagomba gukoresha uburyo bwo kuboneza urubyaro neza mu gihe cyo kuvurwa no mu mezi atandatu nyuma yaho.

Abantu bamaze kubagwa cyangwa bafite gahunda yo kubagwa ntibakunze guhabwa bevacizumab. Uyu muti wangiza gukira kw'ibikomere, bityo ugomba guhagarika kuvurwa byibuze iminsi 28 mbere yo kubagwa kwose kwateguwe.

Izindi ndwara zishobora gutuma bevacizumab itakoreshwa zirimo:

• Umubyazo mwinshi udakira nubwo ufata imiti
• Amateka ya vuba aha yo kuva cyane
• Ubu burwayi bwo gushyira amaraso
• Indwara ikomeye y'umutima cyangwa vuba aha umutima wateye
• Udukoko dukora neza ku miti
• Indwara ikomeye y'impyiko hamwe no gutakaza poroteyine
• Umutwe wateye vuba aha cyangwa kuva mu bwonko

Muganga wawe azagereranya inyungu zishoboka n'ibi byago kubera uko ubuzima bwawe bumeze. Rimwe na rimwe guhindura gahunda yawe yo kuvurwa cyangwa gukurikiranwa byongera umutekano wa bevacizumab ku bantu bafite indwara zimwe na zimwe.

Amazina ya Bevacizumab

Bevacizumab iboneka munsi y'amazina menshi y'ubwoko, Avastin ikaba ari yo yamenyekanye cyane. Ubu bwoko bw'izina ryakoreshejwe mu kuvura kanseri imyaka myinshi hamwe n'ubushakashatsi bwinshi bushingiye ku mikorere yayo.

Ubu hariho ubwoko bwa bevacizumab, butanga inyungu zimwe zo kuvura ku giciro gito. Ibi birimo Mvasi, Zirabev, na Alymsys, byose byemejwe ko bingana na Avastin y'umwimerere.

Ubwishingizi bwawe bushobora kugira uruhare mu bwoko muganga wawe yandika, ariko ubwoko bwose bwemewe burimo ibikoresho bimwe bikora kandi bikora kimwe mu mubiri wawe. Guhitamo hagati y'amoko mubisanzwe biterwa n'uko biboneka n'ibitekerezo by'ikiguzi aho gutandukana kw'ubuvuzi.

Uburyo bwo gusimbuza Bevacizumab

Imiti myinshi ikora kimwe na bevacizumab mugihe yibanda ku gukora imitsi y'amaraso, nubwo buri imwe ifite imiterere yihariye n'imikoreshereze yemejwe. Umuganga wawe ushinzwe kanseri ashobora gutekereza kuri izi nzira zindi zishingiye ku bwoko bwa kanseri yawe n'amateka yawe y'ubuvuzi.

Ramucirumab (Cyramza) ni undi muti ugamije VEGF ukoreshwa cyane cyane mu kurwanya kanseri yo mu gifu n'iy'ibihaha. Ukora ukoresheje uburyo butandukanye gato ariko ugera ku ngaruka zisa zo kubuza imitsi y'amaraso y'igifu gukura.

Izindi nzitizi z'ubwoko bwa angiogenesis zirimo aflibercept (Zaltrap) ya kanseri y'urugimbu n'urugingo rw'inyuma, na regorafenib (Stivarga) ya kanseri y'urugimbu n'umwijima zateye imbere. Iyi miti itanga uburyo bwo kuyinywa mu kanwa, abantu bamwe bakunda kuruta kuyiterwa mu nsinga.

Ku bwoko runaka bwa kanseri, imiti ikoreshwa mu kurwanya kanseri nk'iyo bita pembrolizumab (Keytruda) cyangwa nivolumab (Opdivo) ishobora gutekerezwa mu mwanya wa bevacizumab, cyangwa ikajyanirana na yo, bitewe n'imiterere yihariye ya kanseri yawe n'ibimenyetso byayo.

Ese Bevacizumab iruta indi miti isa na yo?

Bevacizumab ni wo muti wa mbere wemewe wo guhagarika VEGF kandi ufite amakuru menshi y'ubushakashatsi ashyigikira ikoreshwa ryawo mu bwoko bwinshi bwa kanseri. Iyi myaka myinshi imaze ikoreshwa ifasha abaganga kumenya uko ushobora kwitwara ku miti.

Ugereranije n'izindi nzira nshya nka ramucirumab, bevacizumab akenshi ifite uburyo bwinshi bwo kuvura kandi yemewe mu bwoko butandukanye bwa kanseri. Ariko, icyemezo cyiza cyane giterwa n'imiterere yihariye ya kanseri yawe n'ubuzima bwawe.

Ubushakashatsi bumwe buvuga ko abarwayi bamwe bashobora kwitwara neza ku bindi bice bya VEGF, mu gihe abandi bitwara neza cyane na bevacizumab. Umuganga wawe w'inzobere mu by'indwara z'umubiri yita ku bintu nk'ibimenyetso bya genetike bya kanseri yawe, imiti wahawe mbere, n'ubuzima bwawe muri rusange igihe afata iki cyemezo.

Ugereranya imikorere akenshi biterwa n'uko uvurwa hamwe n'inzitizi ya VEGF. Ubushakashatsi bwa bevacizumab bwakozwe cyane mu miti ihuriza hamwe bituma igira inyungu mu gutegura imiti mu bihe byinshi.

Ibibazo bikunze kwibazwa kuri Bevacizumab

Ese Bevacizumab irakwiriye ku bantu barwaye indwara z'umutima?

Bevacizumab ishobora kugira ingaruka ku mikorere y'imitsi y'umutima wawe, bityo abantu bafite indwara z'umutima basanzwe bakeneye gukurikiranwa by'umwihariko no kwitonda. Muganga w'umutima wawe n'umuganga w'indwara z'umubiri bazakorana kugira ngo bamenye niba inyungu ziruta ibyago.

Niba ufite indwara y'umutima idakabije ifashwe neza, urashobora gukomeza guhabwa bevacizumab hamwe no gukurikiranwa kenshi k'umutima. Ibi birimo ECGs zisanzwe, echocardiograms, no gucunga neza umuvuduko w'amaraso mugihe cyose cy'ubuvuzi.

Abantu bafite urugimbu rukabije rw'umutima, umutima waherutse gufatwa, cyangwa umuvuduko w'amaraso udagenzurwa, mubisanzwe ntibashobora guhabwa bevacizumab mu buryo bwizewe. Umuti ushobora gutuma izi ndwara zirushaho kuba mbi kandi ukongera ibyago byo guhura n'ibibazo bikomeye by'imitsi y'umutima.

Nkwiriye gukora iki niba mbonye bevacizumab nyinshi mu buryo butunganye?

Kurenza urugero rwa bevacizumab ni gake cyane kuko itangwa n'abantu bafite ubumenyi bw'ubuvuzi mu bigo by'ubuzima bigenzurwa. Umuti ubazwe neza ukurikije uburemere bwawe kandi utangwa buhoro buhoro binyuze mu kuyobora IV.

Niba ucyeka ko wakiriye urugero rutari rwo, menyesha umuforomo wawe cyangwa muganga wawe ako kanya. Barashobora gusuzuma amateka yawe y'ubuvuzi no kugukurikirana neza kubera ingaruka zidasanzwe.

Ibimenyetso bishobora kugaragaza ibibazo byo gutanga imiti birimo kubabara umutwe cyane, umuvuduko w'amaraso mwinshi cyane, kuva amaraso bidasanzwe, cyangwa isesemi ikabije. Itsinda ryawe ry'ubuzima rizi uburyo bwo gucunga ibi bihe kandi rizatanga ubufasha bukwiriye.

Nkwiriye gukora iki niba nasibye urugero rwa bevacizumab?

Vugana n'ikipe yawe y'indwara z'umubiri vuba bishoboka niba wasibye urugero rwa bevacizumab rwatanzwe. Bazagusubiza gahunda y'igihe cya mbere gikwiye kugirango ugumane ubushobozi bwo kuvura.

Muganga wawe ashobora guhindura gahunda yawe yo kuvurwa gato kugira ngo akemure urukingo rwabuze, ariko ntugerageze "gukora" ukoresha imiti yegereye. Igihe cyo hagati yimiti itangwa itegurwa neza kugirango ihuzwe n'ubushobozi n'umutekano.

Kubura urukingo rumwe mubisanzwe ntigira ingaruka zikomeye ku musaruro wose w'ubuvuzi bwawe, cyane cyane niba usubiye mu gihe cyawe gisanzwe vuba. Umuganga wawe w'indwara z'umubiri azagenzura uko witwara kandi ashobora kugusaba ibindi bisuzumwa kugirango yemeze ko kanseri yawe ikomeza kugenzurwa.

Ni ryari nshobora guhagarika gufata Bevacizumab?

Icyemezo cyo guhagarika bevacizumab gishingiye ku bintu byinshi birimo uko kanseri yawe yitwara ku buvuzi, ingaruka ziterwa n'ubuvuzi urimo guhura nazo, n'ubuzima bwawe muri rusange. Umuganga wawe w'indwara z'umubiri azayobora iki cyemezo gishingiye ku kugenzura buri gihe.

Ushobora guhagarika ubuvuzi niba kanseri yawe ikomeje nubwo uvurwa, niba ugize ingaruka zikomeye zirenga ibyiza, cyangwa niba ukeneye kubagwa bisaba gukira neza.

Abantu bamwe bahagarika bevacizumab nyuma yo kurangiza uburyo bwo kuvurwa bwatanzwe, mu gihe abandi bakomeza igihe cyose bifasha kugenzura kanseri yabo kandi bakabyihanganira neza. Nta "itariki yo kurangiza" yagenwe kuri buri wese.

Ntuzigere uhagarika bevacizumab wenyine utabanje kubiganiraho n'umuganga wawe w'indwara z'umubiri. Guhagarika mu buryo butunguranye ntizatera ibimenyetso byo gukurwaho bishobora guteza akaga, ariko birashobora gutuma kanseri yawe ikomeza vuba kuruta uko byari byitezwe.

Nshobora kunywa inzoga nte niba mfata Bevacizumab?

Kunywa inzoga mu rugero ruciriritse muri rusange byemewe mugihe ufata bevacizumab, ariko ugomba kuganira ku ngeso zawe zo kunywa inzoga n'umuganga wawe w'indwara z'umubiri. Inzoga zirashobora guhura n'indi miti urimo gufata kandi irashobora gukomeza ingaruka zimwe na zimwe.

Kubera ko bevacizumab ishobora kugira ingaruka ku mitsi yawe y'amaraso no kongera ibyago byo kuva amaraso, inzoga zirashobora kongera izi ngaruka. Niba uhisemo kunywa, wikwirakwiza ku kinyobwa kimwe ku munsi kandi wirinde inzoga hafi yiminsi yo gutanga imiti.

Witondere uko inzoga zigira icyo zikora ku mubiri wawe mu gihe uvurwa, kuko imiti ivura kanseri ishobora guhindura uko wihanganira inzoga. Abarwayi bamwe basanga bumva ingaruka z'inzoga zikomeye cyangwa bakarushaho kumva bananiwe iyo bazivanga na bevacizumab.