Yini i-Imatinib: Ukusetshenziswa, Umthamo, Imiphumela Eceleni nokuningi

I-Imatinib iyimithi yomdlavuza eqondiwe esebenza ngokuvimba amaprotheni athile asiza amaseli omdlavuza ukuthi akhule futhi ande. Isetshenziswa ikakhulukazi ukwelapha izinhlobo ezithile zomdlavuza wegazi namanye amathumba angavamile, inikeza ithemba ezigulini ezingase zingabi nenketho yokwelashwa ephumelelayo ngaphambili.

Le mithi imelela intuthuko enkulu ekwelashweni komdlavuza ngoba iqondisa amaseli omdlavuza ngokunembile kakhulu kunamakhemikhali endabuko. Esikhundleni sokuhlasela wonke amaseli ahlukanisa ngokushesha, i-imatinib igxila kumaprotheni angavamile aqhuba imidlava ethile ukuthi ikhule.

Yini i-Imatinib?

I-Imatinib uhlobo lomuthi womdlavuza obizwa ngokuthi i-tyrosine kinase inhibitor. Ingaphansi kohlu lwemithi eyaziwa ngokuthi imithi yokwelapha eqondiwe, okusho ukuthi iqondisa ngqo amaprotheni athile abambe iqhaza ekukhuleni kwamaseli omdlavuza.

Umuthi usebenza ngokuvimba ama-enzyme abizwa ngokuthi ama-tyrosine kinases athumela amasignali etshela amaseli omdlavuza ukuthi ande. Cabanga ngala ma-enzyme njengamashintshi avula ukukhula komdlavuza - i-imatinib empeleni iphendula lawo mashintshi abe sesimweni esithi "valiwe".

Ngokungafani namakhemikhali endabuko athinta izinhlobo eziningi zamaseli emzimbeni wakho wonke, i-imatinib yakhelwe ukuthi ikhetheke kakhulu. Le ndlela eqondiwe ivame ukuholela emiphumeleni emincane eceleni uma iqhathaniswa nokwelashwa komdlavuza okujwayelekile.

Isetshenziselwani i-Imatinib?

I-Imatinib ikakhulukazi inikezwa ukwelapha i-chronic myeloid leukemia (CML), uhlobo lomdlavuza wegazi oluthinta amaseli amhlophe egazi. Isetshenziswa futhi ngamathumba athile e-gastrointestinal stromal (GISTs), okuyizithumba ezingavamile ezingakhula ohlelweni lokugaya ukudla.

Ezigulini ze-CML, i-imatinib iguqule lokho okwakuyisimo esisongela impilo saba isifo esingalawuleka esingelapheki kubantu abaningi. Umuthi ungasiza ukulawula umdlavuza, ukunciphisa izimpawu, futhi uthuthukise kakhulu izinga lempilo.

Udktela wakho angase futhi anikeze i-imatinib ezinye izimo ezingavamile, okuhlanganisa izinhlobo ezithile ze-acute lymphoblastic leukemia (ALL) kanye nezinye izifo ezingavamile zegazi. Lezi zinto zisekelwe kumamaki athile e-genetic athwalwa amaseli akho omdlavuza.

Isebenza Kanjani I-Imatinib?

I-Imatinib isebenza ngokugxila kuphrothini ethile engavamile ebizwa nge-BCR-ABL etholakala kumaseli amaningi e-CML. Le phrothini isebenza njengokushintsha okungalungile okuhlala kuvuliwe, ngaso sonke isikhathi itshela amaseli omdlavuza ukuthi akhule futhi ahlukaniswe.

Uma uthatha i-imatinib, ibopha kule phrothini engavamile futhi ivimbele umsebenzi wayo. Lokhu kumisa amaseli omdlavuza ekutholeni izimpawu abazidingayo ukuze zande ngaphandle kokulawulwa.

Umuthi uthathwa njengomuthi oqinile ngokulinganisela mayelana nokwelashwa komdlavuza. Ngenkathi ivame ukubekezelelwa kangcono kune-chemotherapy yendabuko, iseyimithi enamandla edinga ukuqashwa ngokucophelela yithimba lakho lezempilo.

Ezimweni ze-GIST, i-imatinib isebenza ngokuvimba iphrothini ehlukile ebizwa nge-KIT, esiza lezi zinhlobo ukuthi zikhule. Ngokuvimbela le phrothini, umuthi ungasiza ukunciphisa izinhlobo noma uzivimbele ekukhuleni.

Kufanele Ngiyithathe Kanjani I-Imatinib?

Thatha i-imatinib ngendlela udokotela wakho ayichaza ngayo, ngokuvamile kanye noma kabili ngosuku ngokudla nengilazi enkulu yamanzi. Ukuyithatha ngokudla kusiza ukunciphisa isisu esicasulayo, okungenye yemiphumela emibi evame kakhulu.

Gwinya amaphilisi wonke - ungaqedi, uwaphule, noma uwahlafune. Uma unenkinga yokugwinya amaphilisi, khuluma nodokotela wakho mayelana nezinketho ezinjengokuzincibilikisa emanzini noma ejusi le-apula.

Zama ukuthatha umuthi wakho ngesikhathi esifanayo nsuku zonke ukukusiza ukuthi ukhumbule futhi ugcine amazinga aqhubekayo emzimbeni wakho. Abantu abaningi bakuthola kuwusizo ukuthatha i-imatinib ngesidlo sasekuseni noma isidlo sakusihlwa.

Njengoba ngishilo, gwema ama-grapefruit nejusi lama-grapefruit ngenkathi uthatha i-imatinib, ngoba kungaphazamisa indlela umzimba wakho oqhubula ngayo umuthi. Lokhu kuxhumana kungenza umuthi ungasebenzi kahle noma kwandise imiphumela emibi.

Kufanele Ngiyithathe Isikhathi Esingakanani I-Imatinib?

Abantu abaningi abane-CML badinga ukuthatha i-imatinib isikhathi eside, imvamisa iminyaka eminingi noma ingunaphakade. Umuthi usebenza uma uqhubeka ukuwuthatha, kodwa ukuwuyeka ngokuvamile kuvumela umdlavuza ukuthi ubuye.

Udokotela wakho uzoqapha ukusabela kwakho ekwelashweni ngezivivinyo zegazi ezivamile kanye nokunye ukuhlolwa. Lokhu kuhlolwa kusiza ukunquma ukuthi umuthi usebenza kahle kangakanani nokuthi ngabe kukhona yini ukulungiswa okudingekayo.

Ezineziguli ze-GIST, ubude bokwelashwa buxhomeke ezintweni ezahlukahlukene, okuhlanganisa ukuthi umdlavuza usabela kahle kangakanani nokuthi ngabe uhlinzwe yini. Abanye abantu bangase bawuthathe isikhathi esithile, kanti abanye bangase badinge ukwelashwa isikhathi eside.

Ungayeki ukuthatha i-imatinib ngaphandle kokuxoxa ngayo nodokotela wakho kuqala. Ukuyeka kungazelelwe kungaholela ekuqhubekeleni phambili komdlavuza ngokushesha, ngisho noma uzizwa kahle.

Yini Imiphumela Emibi ye-Imatinib?

Njengayo yonke imithi, i-imatinib ingabangela imiphumela emibi, nakuba kungewona wonke umuntu oyitholayo. Imiphumela emibi eminingi iyalawuleka futhi ivame ukuthuthuka njengoba umzimba wakho uzivumela emuthini.

Imiphumela emibi evame kakhulu ongase uyithole ihlanganisa isicanucanu, isifo sohudo, imisipha eqinile, nokugcinwa kwamanzi okungabangela ukuvuvukala emilenzeni yakho, emaqakaleni, noma ngaphandle kwamehlo akho. Lezi zimpawu zivame ukuba buthaka kuya phakathi nendawo futhi zivame ukuthuthuka ngokuhamba kwesikhathi.

Nansi imiphumela emibi evame kakhulu iziguli ezibikayo:

• Isicanucanu nokuhlanza
• Isifo sohudo noma izitulo ezixekile
• Imisipha eqinile, ikakhulukazi emilenzeni
• Ukukhathala nobuthakathaka
• Ikhanda
• Ukuqubuka kwesikhumba noma ukuluma
• Ukugcinwa kwamanzi okubangela ukuvuvukala
• Ukuzuza isisindo ngenxa yokugcinwa kwamanzi

Iningi lale miphumela emibi lingalawulwa ngokunakekelwa okusekelayo, izinguquko ekudleni, noma imithi eyengeziwe uma kudingeka. Ithimba lakho lezempilo linganikeza amasu okusiza ukunciphisa le miphumela.

Ezinye izimpawu ezingavamile kodwa ezingathi sína zidinga ukunakekelwa kwezempilo ngokushesha. Lokhu kufaka phakathi ukugcinwa kwamanzi okukhulu okuthinta ukuphefumula kwakho, izimpawu zezinkinga zesibindi njengokushintsha kombala kwesikhumba noma amehlo abe phuzi, ukopha okungavamile noma ukulimala, nobuhlungu obukhulu besisu.

Imiphumela emibi engavamile kodwa engathi sína ingabandakanya izinkinga zenhliziyo, ukulimala okukhulu kwesibindi, nokwehla okukhulu kwenani lamaseli egazi okwandisa ingozi yokutheleleka. Udokotela wakho uzoqapha lokhu ngokuhlolwa kwegazi okuvamile nokuhlolwa.

Ubani Ongafanele Athole Imatinib?

Akufanele uthathe i-imatinib uma unenkinga yokungezwani nayo noma nganoma yiziphi izithako zayo. Xhumana nodokotela wakho mayelana nanoma yiziphi izimpawu zokungezwani nezidakamizwa, ikakhulukazi uma uke wahlangabezana nezimpawu ezinzima.

Abantu abanezifo zesibindi ezinzima bangase badinge ukulungiswa kwemithamo noma bangase bangafaneleki ukuthola ukwelashwa nge-imatinib. Udokotela wakho uzohlola ukusebenza kwesibindi sakho ngaphambi kokuqala ukwelashwa futhi akuqaphe njalo.

Uma ukhulelwe noma uhlela ukukhulelwa, xoxa ngalokhu nodokotela wakho ngokushesha. I-Imatinib ingalimaza umntwana ongakazalwa, ngakho-ke ukuzivikela ekukhulelweni okusebenzayo kubalulekile ngesikhathi sokwelashwa kwamadoda nabesifazane.

Omama abancelisa ngamabele akufanele bathathe i-imatinib, njengoba imithi ingadlulela obisini futhi ingalimaza ingane encelisayo. Izindlela zokondla ezingezinye kufanele zixoxwe nethimba lakho lezempilo.

Amagama Omkhiqizo we-Imatinib

I-Imatinib ivame ukwaziwa ngegama lomkhiqizo elithi Gleevec e-United States nethi Glivec emazweni amaningi. Lawa ngamagama omkhiqizo wokuqala athuthukiswe yinkampani yezemithi i-Novartis.

Izinhlobo ezivamile ze-imatinib manje ziyatholakala futhi zibizwa ngokuthi "imatinib" elandelwa igama lomkhiqizi. Lezi zinhlobo ezivamile ziqukethe isithako esifanayo esisebenzayo futhi zisebenza ngendlela efanayo njengomuthi onegama lomkhiqizo.

Ikhemisi lakho lingashintsha uhlobo olujwayelekile ngaphandle uma udokotela wakho ecela ngokuqondile igama lomkhiqizo. Zombili izinhlobo zisebenza ngendlela efanayo, nakuba abanye abantu bengase babe nezintandokazi ezisekelwe kulwazi lwabo ngemiphumela emibi noma ukubekezelelana.

Ezinye izindlela ze-Imatinib

Uma i-imatinib ingasebenzi kahle kuwe noma idala imiphumela emibi engabekezeleleki, imithi eminingi ehlukile iyatholakala. Lokhu kufaka phakathi ezinye izithiyo ze-tyrosine kinase ezifana ne-dasatinib, nilotinib, kanye ne-bosutinib yokwelashwa kwe-CML.

Kubantu abanezifo ezithuthukisa ukumelana ne-imatinib, le mithi emisha ivame ukuhlinzeka ngezindlela eziphumelelayo. Ngayinye inohlu oluncane oluhlukile lwemiphumela emibi, ngakho ukushintsha kungase kusize uma uhlangabezana nezinkinga ezithile.

Ukukhetha okunye kuncike ezintweni ezihlukahlukene ezihlanganisa uhlobo lwakho oluthile lomdlavuza, ukwelashwa kwangaphambilini, ezinye izimo zempilo, nokuthi ubukubekezelela kangakanani i-imatinib. Udokotela wakho we-oncologist uzosiza ekunqumeni inketho engcono kakhulu yesimo sakho.

Abanye abantu bangase futhi babe ngabazongenela ezinye izindlela zokwelapha ezifana nokufakelwa komnkantsha wamathambo, nakuba lokhu kuvame ukugcinwa ezimweni ezithile kanye neziguli ezincane.

Ingabe i-Imatinib ingcono kunezinye izidakamizwa ze-CML?

I-Imatinib yayiyindlela yokuqala yokwelapha i-CML futhi isahlala iyindlela enhle yokwelapha yokuqala kubantu abaningi. Inomlando omude wokuphepha nokusebenza kahle, onolwazi olungaphezu kweminyaka engama-20 yomtholampilo.

Imithi emisha efana ne-dasatinib ne-nilotinib ingase isebenze ngokushesha kwabanye abantu futhi ingasebenza kubantu abangaphenduli kahle ku-imatinib. Kodwa-ke, bangase futhi babe nohlu oluhlukile lwemiphumela emibi abanye abantu abakuthola kuyinselele enkulu.

Umuthi "ongcono kakhulu" uyahlukahluka kumuntu nomuntu ngokuya ngezinto ezinjengobudala, ezinye izimo zempilo, ukubekezelelana nemiphumela emibi, nokuthi umdlavuza usabela kanjani ekwelashweni. Udokotela wakho uzocabangela zonke lezi zinto lapho encoma ukwelashwa.

Iziguli eziningi zenza kahle kakhulu ku-imatinib njengokwelashwa kwazo kokuqala futhi ziqhubeka nokuyithatha iminyaka ngaphandle kwesidingo sokushintsha. Okubalulekile ukuthola umuthi osebenza kahle kakhulu esimweni sakho esithile nendlela yokuphila.

Imibuzo Evame Ukubuzwa Mayelana ne-Imatinib

Ingabe i-Imatinib iphephile kubantu abanezifo zenhliziyo?

I-Imatinib ngezinye izikhathi ingabangela izinkinga zenhliziyo, okuhlanganisa ukugcinwa kwamanzi okungase kuqede amandla enhliziyo. Uma unezifo zenhliziyo ezikhona, udokotela wakho uzokuqapha eduze futhi angase ancome ukuhlolwa komsebenzi wenhliziyo ngaphambi nangemva kokwelashwa.

Abantu abaningi abanezimo zenhliziyo basengayithatha i-imatinib ngokuphepha, kodwa badinga ukuqapha okwengeziwe. Udokotela wakho wenhliziyo kanye nodokotela we-oncologist bazosebenzisana ukuqinisekisa ukuthi ukwelashwa kuphephile kuwe.

Ngingenzani uma ngiphuthelwa ngengozi ukuthatha i-Imatinib eningi kakhulu?

Uma ngengozi uthatha i-imatinib eningi kunaleyo ebekiwe, xhumana nodokotela wakho noma isikhungo sokulawula ubuthi ngokushesha. Ungalindi ukuthi izimpawu zivele, njengoba ukuthola iseluleko sezokwelapha ngokushesha kubalulekile.

Ukuthatha i-imatinib eningi kakhulu kungandisa ingozi yemiphumela emibi engathí sina. Ithimba lakho lezempilo lingase lifune ukukuqapha eduze noma lithathe izinyathelo ezithile zokuvimbela izinkinga.

Ngingenzani uma ngiphuthelwa umthamo we-Imatinib?

Uma uphuthelwa umthamo futhi kungakapheli amahora angu-12 esikhathini sakho esivamile, yithathe ngokushesha lapho ukhumbula. Uma iseduze nomthamo wakho olandelayo ohleliwe, weqa umthamo ophuthelwe bese uqhubeka neshejuli yakho evamile.

Ungalokothi uthathe imithamo emibili ngesikhathi esisodwa ukuze ulungise umthamo ophuthelwe. Lokhu kungandisa ingozi yakho yemiphumela emibi ngaphandle kokuhlinzeka ngomvuzo owengeziwe.

Ngingayeka nini ukuthatha i-Imatinib?

Misa ukuthatha i-imatinib kuphela uma udokotela wakho ekutshela ngqo ukuthi wenze njalo. Noma ngabe uzizwa kahle ngokuphelele futhi ukuhlolwa kwegazi lakho kubukeka kujwayelekile, ukuyeka imithi ngaphandle kokugadwa kwezokwelapha kungaholela ekuphindweni komdlavuza.

Ezinye iziguli zingaba ngabazongenela ukuxolelwa okungathathi ukwelashwa ngemuva kweminyaka yokwelashwa okuphumelelayo, kepha lesi sinqumo sidinga ukuhlolwa ngokucophelela nokuqapha okuqhubekayo yithimba lakho lezempilo.

Ngingathatha Eminye Imithi Ngenkathi ngithatha i-Imatinib?

Imithi eminingi ingathathwa ngokuphepha ne-imatinib, kepha eminye ingasebenzisana futhi iguqule ukuthi isebenza kahle kangakanani. Hlala utshela udokotela wakho nosokhemisi ngayo yonke imithi, izithasiselo, nemikhiqizo yamakhambi oyithathayo.

Eminye imithi evame ukusebenzisana ne-imatinib ihlanganisa imithi ethile yenhliziyo, imithi yokuhlaselwa, kanye nama-antibiotics athile. Ithimba lakho lezempilo lizobuyekeza yonke imithi yakho ukuqinisekisa ukuthi iphephile ukuyithatha ndawonye.