Yini i-Asparaginase-Erwinia-Chrysanthemi-Recombinant-rywn? Ukusetshenziswa, Imiphumela Eceleni, & Ulwazi Lwelashwa

I-Asparaginase-erwinia-chrysanthemi-recombinant-rywn iyimithi ekhethekile yomdlavuza esetshenziselwa ukwelapha izinhlobo ezithile zomdlavuza wegazi, ikakhulukazi i-acute lymphoblastic leukemia (ALL). Le mithi isebenza ngokususa i-amino acid ebalulekile ezidingwa amaseli omdlavuza ukuze asinde, okusiza ukumisa ukukhula kwawo nokusabalala.

Uma wena noma othandekayo wakho unikezwe le mithi, cishe ubhekene nokuxilongwa okungathi sína futhi kungenzeka ukuthi unemibuzo eminingi. Ukuqonda ukuthi le mithi isebenza kanjani kungakusiza ukuthi uzizwe ulungile futhi uqiniseka ngohlelo lwakho lokunakekelwa.

Yini i-Asparaginase-Erwinia-Chrysanthemi-Recombinant-rywn?

Le mithi iyi-enzyme therapy eqondise ngqo amaseli omdlavuza ngokunciphisa i-asparagine, i-amino acid abayidinga ngokuphuthumayo ukuze basinde. Ngokungafani namaseli ajwayelekile anempilo, amaseli amaningi omdlavuza awakwazi ukuzikhiqizela i-asparagine yawo futhi kufanele ayithole emgudwini wegazi.

Le mithi yenziwa kusetshenziswa inguqulo eguquliwe yamagciwane abizwa ngokuthi i-Erwinia chrysanthemi, eyenziwe ukuthi ikhiqize le enzyme yokwelapha ngokuphepha. Inikezwa njengesitsha emsipheni, ngokuvamile ethangeni lakho noma engalweni engenhla.

Le fomula ethile ivame ukusetshenziswa lapho iziguli zingakwazi ukubekezelela ezinye izinhlobo ze-asparaginase noma lapho umdlavuza wazo usumelana nokwelashwa kokuqala. Udokotela wakho we-oncologist ukhethe le mithi ngoba inikeza indlela ehlukile engasebenza kahle esimweni sakho esithile.

Kuzwakala kanjani ukwelashwa ngale mithi?

Ukujova ngokwako kuvame ukuthatha imizuzu embalwa futhi kuzwakala kufana nokuthola umjovo womgomo. Ungase uzwe ubuhlungu obuthile, ububomvu, noma ukuvuvukala endaweni yokujova, okujwayelekile futhi ngokuvamile kulungiswa ngosuku olulodwa noma ezimbili.

Ngesikhathi sokwelashwa, ungase uqaphele ukukhathala okuthile noma izinguquko emazingeni akho amandla njengoba umzimba wakho usebenza ngemithi. Abanye abantu bachaza ukuzizwa bekhathele kakhulu kunokujwayelekile izinsuku ezimbalwa ngemuva komjovo ngamunye, kanti abanye baba nemiphumela emincane.

Ithimba lakho lezempilo lizokugada eduze ngemuva komjovo ngamunye, ikakhulukazi ngesikhathi sokwelashwa kwakho kokuqala. Lokhu kuqapha ngokucophelela kusiza ukuqinisekisa ukuthi uyayibekezelela kahle imithi futhi kuvumela ukungenelela okusheshayo uma kuvela noma yiziphi izinkinga.

Yini ebangela isidingo salo muthi?

Lo muthi uba ngumqoka lapho une-acute lymphoblastic leukemia noma ezinye izinhlobo zomdlavuza wegazi ezincike ku-asparagine ukuze ziphile. Lezi zinhlobo zomdlavuza zenzeka lapho amaseli amhlophe egazi emnkantshubomvu aqala ukukhula nokuhlukanisa ngokungalawuleki.

Isidingo esiqondile salolu hlobo oluthile lwe-asparaginase sivame ukuvela lapho ukwelashwa okujwayelekile kungasebenzi ngempumelelo noma lapho ube nokusabela komzimba okungalungile kweminye imithi ye-asparaginase. Amaseli akho omdlavuza kungenzeka ukuthi nawo ahlakulele ukumelana nokwelashwa kwangaphambilini.

Ngezinye izikhathi odokotela bakhetha lo muthi njengengxenye yendlela yokwelapha ehlanganisiwe, lapho imithi eminingi isebenza ndawonye ukuhlasela amaseli omdlavuza evela ezingxenyeni ezihlukene. Leli su lingasebenza ngempumelelo kakhulu kunokusebenzisa umuthi owodwa kuphela.

Yiziphi izimo ezilashwa yilo muthi?

Isimo esiyinhloko esilashwa ngalo muthi yi-acute lymphoblastic leukemia (ALL), uhlobo lomdlavuza wegazi oluthinta amaseli amhlophe egazi. I-ALL ingenzeka kubo bobabili abantwana kanye nabantu abadala, nakuba ivame kakhulu ezinganeni.

Lo muthi ubaluleke kakhulu ekwelapheni i-ALL ebuyele emuva (ibuye ngemuva kokwelashwa) noma efakazelwe ukuthi imelana nezinye izinhlobo ze-asparaginase. Ingase futhi isetshenziswe ezimweni lapho iziguli zibe nokusabela okweqile kwezinye izindlela ze-asparaginase.

Ngezikhathi ezithile, odokotela bangase banikeze lo muthi kwezinye izinhlobo zomdlavuza we-lymphoblastic noma njengengxenye yezifundo zocwaningo ezihlola izindlela ezintsha zokwelapha. Udokotela wakho we-oncologist uzokuchazela ngqo ukuthi kungani lo muthi uyisinqumo esifanele esimweni sakho esithile.

Ingabe isimo esingaphansi singathuthuka ngale ndlela yokwelapha?

Yebo, iziguli eziningi zithola ukuthuthuka okukhulu emdlavuzeni wazo uma zithola ukwelashwa ngalo muthi. Umgomo uwukufinyelela ekuxoleleni, okusho ukuthi amaseli omdlavuza awatholakali ezivivinyweni zakho zegazi nomnkantsha wamathambo.

Isikhathi sokuthuthuka siyahluka kumuntu nomuntu, kodwa iziguli eziningi ziqala ukubonisa izinguquko ezinhle ekubalweni kwegazi labo kungakapheli amasonto ambalwa ziqala ukwelashwa. Udokotela wakho uzoqapha inqubekela phambili yakho ngezivivinyo zegazi ezivamile kanye nama-biopsies omkhandlu wamathambo.

Ngenkathi lo muthi ungasebenza kahle kakhulu, ngokuvamile usetshenziswa njengengxenye yohlelo olubanzi lokwelapha olungase luhlanganise eminye imithi, i-radiation therapy, noma ukufakelwa kwamaseli esiqu. Ithimba lakho lezempilo lizolungisa ukwelashwa kwakho ngokusekelwe ekutheni uqhubeka kanjani kahle.

Lo muthi unikezwa kanjani futhi uqashwe kanjani?

Umuthi unikezwa njengomjovo we-intramuscular, okusho ukuthi ufakwa ngqo emsipheni omkhulu, ngokuvamile ethangeni lakho noma engalweni engenhla. Umhlinzeki wakho wezempilo uzoshintsha izindawo zokujova ukuvimbela ubuhlungu futhi aqinisekise ukumuncwa okufanele.

Ukwelashwa ngokuvamile kwenzeka esibhedlela noma esikhungweni somdlavuza lapho ungaqashwa khona eduze. Imvamisa nobude bokwelashwa kuncike kunqubo yakho ethile yokwelapha, kodwa imijovo ivame ukunikezwa izikhathi eziningana ngesonto amasonto ambalwa.

Ngaphambi komjovo ngamunye, ithimba lakho lezokwelapha lizohlola izimpawu zakho ezibalulekile futhi lingase lenze izivivinyo zegazi ukuqinisekisa ukuthi umzimba wakho ulungele umthamo olandelayo. Bazobuza futhi mayelana nanoma yimaphi imiphumela emibi oyitholile kusukela ekwelashweni kwakho kokugcina.

Kufanele ngithintane nini nomhlinzeki wami wezempilo?

Kufanele uthinte ithimba lakho lezempilo ngokushesha uma uqala ukuba nezimpawu zokungezwani komzimba, okuhlanganisa ubunzima bokuphefumula, ukuvuvukala kobuso bakho noma umphimbo, noma ukuqubuka okusabalale. Lezi zimpawu zidinga ukunakekelwa kwezempilo okuphuthumayo.

Shayela udokotela wakho uma uhlangabezana nesicanucanu esibi noma ukuhlanza okukuvimbela ukuthi ungagcini ukudla noma uketshezi, njengoba lokhu kungaholela ekuphelelwe amanzi emzimbeni. Umkhuhlane omkhulu, ama-chills, noma izimpawu zokutheleleka nazo zidinga ukunakekelwa kwezempilo ngokushesha ngoba lo muthi ungenza buthaka amasosha akho omzimba okwesikhashana.

Ezinye izimpawu ezikhathazayo zihlanganisa ukopha okungavamile noma ukulimala, ukukhathala okukhulu okungathuthuki ngokuphumula, noma ubuhlungu besisu. Ithimba lakho lezempilo lingathanda ukuzwa kuwe mayelana nokukhathazeka okutholakala ukuthi kuncane kunokuthi uphuthelwe okuthile okubalulekile.

Ziyini izici eziyingozi zezinkinga?

Ezinye izici zingase zikhuphule ingozi yakho yokuba nemiphumela emibi evela kulo muthi. Ukuba nomlando wokungezwani komzimba neminye imithi ye-asparaginase ingenye yezici eziyingozi kakhulu okufanele zicatshangelwe.

Izinkinga zesibindi ezikhona ngaphambili, isifo sikashukela, noma izifo zokujiya kwegazi nazo zingase zikhuphule ingozi yakho yezinkinga. Ithimba lakho lezokwelapha lizobuyekeza umlando wakho wezokwelapha ophelele ngaphambi kokuqala ukwelashwa futhi kungase kudingeke ukuthi lilungise uhlelo lwakho lokunakekela ngokufanele.

Ubudala bungadlala indima, njengoba abadala bengase bathambekele kakhulu emiphumeleni emibi ethile. Nokho, lokhu akusho ukuthi umuthi awuphephile ezigulini ezindala – kusho nje ukuthi ukuqapha okwengeziwe kungase kudingeke.

Ziyini izinkinga ezingaba khona zalokhu kwelashwa?

Ngenkathi iziguli eziningi zikubekezelela kahle lo muthi, ezinye izinkinga ezingaba khona zingenzeka. Ukuqonda lezi zinto ezingenzeka kukusiza ukuthi wazi ukuthi yini okufanele uyibheke nokuthi nini okufanele ufune usizo.

Nazi izinkinga ezivamile ongase uzithole:

• Ukusabela komzimba okusukela ekuqhumeni kwesikhumba okuncane kuya ku-anaphylaxis enzima
• Ushintsho ekusebenzeni kwesibindi okuvame ukulungiswa ngemva kokwelashwa
• Ukuphazamiseka kokujiya kwegazi okungase kwandise ingozi yokopha
• Ukwanda okwesikhashana kwamazinga kashukela egazini
• Ukukhathala nobuthakathaka obungase buthathe izinsuku eziningana ngemva komjovo

Izinkinga ezingavamile kodwa ezingathi sína zingabandakanya izinkinga zesibindi ezinzima, amahlule egazi, noma i-pancreatitis (ukuqubuka kwamanyikwe). Ithimba lakho lezokwelapha liqapha lezi zinkinga ngokuhlolwa kwegazi okuvamile nokubheka ngokucophelela.

Kubalulekile ukukhumbula ukuthi ithimba lakho lezempilo likhethe lo muthi ngoba likholelwa ukuthi izinzuzo zidlula izingozi zesimo sakho esithile. Bazosebenza eduze nawe ukunciphisa izinkinga nokubhekana nanoma yiziphi izinkinga eziphakamayo.

Lo muthi uqhathaniswa kanjani nezinye izindlela zokwelapha umdlavuza?

Lo muthi unikeza indlela eyingqayizivele yokwelapha umdlavuza ehlukile emithini yamakhemikhali yendabuko. Ngenkathi i-chemotherapy ngokuvamile iqondiswe emangqamuzaneni ahlukanisa ngokushesha, le ndlela yokwelapha nge-enzyme iqondiswe ngqo ekuhlulekeni kwamangqamuzana omdlavuza ukukhiqiza i-asparagine.

Uma iqhathaniswa nezinye izindlela ze-asparaginase, le nguqulo etholakala ku-erwinia ingase ingabi maningi amathuba okuthi ibangele ukusabela komzimba okuthile ezigulini ebezinezinkinga ngezinguqulo ezitholakala ku-E. coli. Kodwa-ke, kungase kudingeke ukuthi kuthathwe imithamo kaningi ukuze kuzuzwe umphumela ofanayo wokwelapha.

Iphrofayili yemiphumela emibi ngokuvamile ifana neminye imithi ye-asparaginase, kodwa izimpendulo zomuntu ngamunye zingahluka kakhulu. Ezinye iziguli zithola ukuthi le fomula kulula ukuyibekezelela, kanti ezinye zingase zibe nemiphumela emibi ehlukile kunaleyo ebe nayo ngaphambili.

Yini imiphumela emibi yokwelashwa engase iphuthelwe?

Ezinye iziphumela eziseceleni zomuthi zingase zithathwe njengezinye izimo, yingakho kubalulekile ukugcina ithimba lakho lezempilo linolwazi nganoma yiziphi izimpawu ozitholayo. Ukukhathala nobuthakathaka kungase kuhlotshaniswe nokucindezeleka noma ukugula okujwayelekile kunokuba kube yimiphumela yokwelashwa.

Ubuhlungu besisu bungase buthathwe njengomkhuhlane wesisu noma ukudliswa ngobuthi bokudla, kodwa uma uthola lo muthi, kungase kubonise i-pancreatitis noma izinkinga zesibindi. Ngokufanayo, ukwanda komzwelo wokoma nokuchama kungase kubonakale njengempendulo ejwayelekile emithini, kodwa kungase kubonise izinguquko zikashukela wegazi.

Ushintsho lwesikhumba noma ukuqubuka kungase kuhlotshaniswe nokungezwani komzimba okuvela kweminye imithombo, kodwa kungase kubonise ukusabela komuthi okudinga ukunakwa ngokushesha. Njalo yazisa abahlinzeki bakho bezempilo ngokwelashwa kwakho umdlavuza lapho ufuna ukunakekelwa nganoma yiziphi izimpawu.

Imibuzo Evame Ukubuzwa Mayelana ne-Asparaginase-Erwinia-Chrysanthemi-Recombinant-rywn

Q1: Ngizodinga isikhathi esingakanani ukuthola lo muthi?

Ubude bokwelashwa buyahluka ngokuya ngohlelo lwakho lokwelashwa oluthile nokuthi usabela kahle kangakanani emuthini. Iziguli eziningi ziyawuthola amasonto amaningana njengengxenye yohlelo lokwelashwa olubanzi. Udokotela wakho we-oncologist uzochaza isimiso esiqondile esisekelwe ezidingweni zakho ngazinye kanye nemigomo yokwelashwa.

Q2: Ngingaqhubeka nemisebenzi yami ejwayelekile ngenkathi ngithola lokhu kwelashwa?

Iziguli eziningi zingaqhubeka nemisebenzi elula nomsebenzi, kodwa kungase kudingeke ukuthi uguqule isimiso sakho ngokuya ngendlela ozizwa ngayo. Kubalulekile ukugwema ukuzivocavoca okukhulu futhi ulalele izimpawu zomzimba wakho. Ithimba lakho lezempilo linganikeza isiqondiso esiqondile mayelana namazinga omsebenzi ngesikhathi sokwelashwa.

Q3: Ingabe lo muthi uzosebenzelana neminye imithi yami?

Lo muthi ungasebenzisana neminye imithi, ikakhulukazi leyo ethinta ukujiya kwegazi noma ukusebenza kwesibindi. Ithimba lakho lezempilo lizobuyekeza yonke imithi yakho, okuhlanganisa nemithi etholakala ngaphandle kwemvume kadokotela kanye nezithasiselo, ukuze kuqinisekiswe ukuthi kukhona ukuhlanganiswa okuphephile. Ungalokothi uqale imithi emisha ngaphandle kokuxoxa ngayo nodokotela wakho we-oncologist kuqala.

Q4: Kufanele ngenzeni uma ngiphuthelwa umjovo obekiwe?

Xhumana nomhlinzeki wakho wezempilo ngokushesha uma uphuthelwa umthamo obekiwe. Bazonquma indlela engcono yokulungisa isimiso sakho sokwelashwa ukuze kugcinwe ukusebenza kahle. Ungazami "ukulungisa" ngokuthatha imithamo eyengeziwe - lokhu kungaba yingozi.

Q5: Ngizokwazi kanjani ukuthi ukwelashwa kuyasebenza?

Ithimba lakho lezokwelapha lizogada intuthuko yakho ngokuhlolwa kwegazi njalo, ukuhlolwa komnkantsha wamathambo, kanye nokuhlolwa komzimba. Ukuthuthuka ekubalweni kwegazi kanye nokuncipha kwamaseli omdlavuza kuyizimpawu zokuthi ukwelashwa kuyasebenza. Udokotela wakho uzochaza ukuthi yiziphi izimpawu ezithile abazibukayo nokuthi imiphumela isho ukuthini ngokuqagela kwakho.