Yini i-Amifostine: Ukusetshenziswa, Umthamo, Imiphumela Eceleni Nokunye

I-Amifostine iyimithi evikelayo esiza ukuvikela amaseli anempilo ekulimaleni ngesikhathi sokwelashwa komdlavuza. Isebenza njengomqaphi wamaseli, ingenelela ukunciphisa imiphumela eyingozi ye-chemotherapy kanye nemisebe ezicutshini ezijwayelekile ngenkathi ivumela lezi zindlela zokwelapha ukuthi ziqhubeke nokulwa namaseli omdlavuza ngempumelelo.

Le mithi ibe yithuluzi elibalulekile ekunakekelweni komdlavuza amashumi eminyaka, inikeza ithemba ezigulini ezidinga ukwelashwa okunonya kodwa ezifuna ukuvikela izitho zazo ezinempilo. Ukuqonda ukuthi i-amifostine isebenza kanjani kungakusiza ukuthi uzizwe uqiniseka ngokwengeziwe ngezinqumo zakho zokwelashwa.

Yini i-Amifostine?

I-Amifostine iyidakamizwa elivikela amaseli, okusho ukuthi ivikela amaseli anempilo ekulimaleni okunobuthi. Umuthi uguqulwa ube yifomu elisebenzayo ngaphakathi emzimbeni wakho elisebenza njengomhlanzisi, okwenza kungabi nabulali ama-radicals amahhala ayingozi adalwe ukwelashwa komdlavuza.

Cabanga nge-amifostine njengenduku evikela ekhetha ukuvikela amaseli ajwayelekile ngenkathi ishiya amaseli omdlavuza ebuthakathaka ekwelashweni. Lokhu kuvikelwa okukhethekile kwenzeka ngoba amaseli anempilo anokugeleza kwegazi okungcono futhi angamunca imithi ngempumelelo ngaphezu kwamaseli omdlavuza.

Umuthi waqala ukuthuthukiswa yi-U.S. Army njengokuvikela ekuchayekeni emisebeni. Namuhla, odokotela be-oncologists bayawusebenzisa ukusiza iziguli ukuthi zikwazi ukubekezelela imithamo ephezulu yokwelashwa komdlavuza okusindisa impilo ngemiphumela emincane eceleni.

Isetshenziselwani i-Amifostine?

I-Amifostine isebenza njengomngane ovikelayo ngesikhathi sokwelashwa komdlavuza okuthile. Udokotela wakho angase ayincomise ukunciphisa ukulimala kwezinso okuvela ku-cisplatin chemotherapy noma ukuvimbela umlomo owomile onzima ngesikhathi sokwelashwa ngemisebe yomdlavuza wekhanda nentamo.

Umuthi usiza ukuvimbela izinkinga zezinso ezibangelwa yi-cisplatin, ezingaba zimbi futhi ngezinye izikhathi zihlale njalo. Uma uthola i-cisplatin yomdlavuza onjenge-ovarian, amaphaphu, noma umdlavuza wamathambo, i-amifostine inganciphisa kakhulu ingozi yakho yokulimala kwezinso.

Kubantu abanesifo somdlavuza ekhanda nasentanyeni abathola imisebe, i-amifostine isiza ukuvikela amagland amathe. Lokhu kuvikela kungavimbela umlomo owomile ongapheliyo ovame ukwenza ukudla, ukukhuluma, nokulala kube nzima ngemva kokwelashwa ngemisebe.

Abanye odokotela basebenzisa i-amifostine ukuvikela emiphumeleni emibi ehlobene ne-chemotherapy, nakuba lezi zinto ezisetshenziswayo zingavamile futhi zincike esimweni sakho esithile.

Isebenza Kanjani I-Amifostine?

I-Amifostine isebenza ngokuba ngumvikeli wamaselula uma ingena emzimbeni wakho. Umuthi uhlakazwa yi-enzyme ebizwa nge-alkaline phosphatase, esebenza kakhulu ezicutshini ezinempilo kunezicubu zomdlavuza.

Lokhu kuhlakazeka kwenza inhlanganisela esebenzayo esebenza njengesiponji samangqamuzana, igwinya ama-radicals amahhala anobuthi i-chemotherapy nemisebe ewadalayo. Lawa ma-radicals amahhala ayizitha eziyinhloko ngemuva kokulimala kwezitho okuhlobene nokwelashwa.

Ubuhle be-amifostine bulele ekukhetheni kwayo. Amaseli anempilo anokuhlinzekwa okuhle kwegazi angathatha futhi asebenzise umuthi ngempumelelo, kuyilapho amaseli omdlavuza anokuqina kwegazi okuncane engakwazi. Lokhu kusho ukuthi izitho zakho ezijwayelekile zithola ukuvikelwa ngenkathi amaseli omdlavuza esahlala esengozini yokwelashwa.

Umuthi usebenza ngokushesha, ukuvikelwa okuphezulu kwenzeka phakathi kwemizuzu engu-15-30 ngemva kokuphathwa. Lesi sikhathi sivumela ithimba lakho lezokwelapha ukuthi lilivumelanise ngokuphelele neshejuli yakho yokwelashwa komdlavuza.

Kufanele Ngiyithathe Kanjani I-Amifostine?

I-Amifostine ngaso sonke isikhathi inikezwa nge-intravenously (ngomjovo) esibhedlela noma emtholampilo. Awukwazi ukuthatha lo muthi ekhaya ngoba udinga ukugadwa kwezokwelapha ngokucophelela nesikhathi esithile sokwelashwa komdlavuza wakho.

Ithimba lakho lezempilo lizokunika umuthi cishe imizuzu engama-30 ngaphambi kokwelashwa kwakho kwe-chemotherapy noma imisebe. Lesi sikhathi siqinisekisa ukuthi imiphumela yokuvikela isezingeni eliphezulu lapho uthola ukwelashwa kwakho komdlavuza.

Ngaphambi kokuthola i-amifostine, uzodinga ukuphuza uketshezi oluningi futhi ungase uthole imithi elwa nesicanucanu. Umfutho wakho wegazi uzogadwa ngokucophelela ngoba imithi ingawenza wehle okwesikhashana.

Ukufakwa kwemithi kuvame ukuthatha imizuzu engaba ngu-15. Uzohlala endaweni yokwelashwa ukuze ubukwe ukuze uqinisekise ukuthi uzizwa kahle ngaphambi kokuqhubeka nokwelashwa kwakho umdlavuza.

Kufanele Ngiyithathe Isikhathi Esingakanani I-Amifostine?

Uzothola i-amifostine uma nje uthola ukwelashwa komdlavuza okuthile ekukuvikelayo kukho. Uma uthola i-cisplatin chemotherapy, uzothola i-amifostine ngaphambi kwemithamo ngayinye ye-cisplatin kuyo yonke imijikelezo yakho yokwelashwa.

Kubantu abathola ukwelashwa ngemisebe, imithi ivame ukunikezwa nsuku zonke ngaphambi kweseshini ngayinye yemisebe. Udokotela wakho we-oncologist ozinikele emisebeni uzonquma uhlelo oluqondile olusekelwe ohlelweni lwakho lokwelashwa nokuthi uyithatha kahle kangakanani imithi.

Ubude besikhathi buqondene ngokuphelele nendlela yakho yokwelashwa umdlavuza. Ezinye iziguli ziyayithola amasonto ambalwa, kanti ezinye zingase ziyidinge izinyanga eziningana. Ithimba lakho lezokwelapha lizoqhubeka nokuhlola ukuthi ngabe izinzuzo zisaqhubeka yini nokwedlula noma yimaphi ama-side effects.

Udokotela wakho uzoyeka i-amifostine uma uba nama-side effects amabi noma uma uhlelo lwakho lokwelashwa umdlavuza lushintsha. Bazohlala beqoka ukuphepha kwakho nokusebenza kahle kokwelashwa lapho benza lezi zinqumo.

Yini Ama-Side Effects e-Amifostine?

Njengemithi eminingi, i-amifostine ingabangela ama-side effects, nakuba iziguli eziningi ziyithatha kahle. Ama-side effects avamile kakhulu ayalawuleka futhi awokwesikhashana, avela ikakhulukazi ngesikhathi noma ngemva nje kokufakwa kwemithi.

Nawa ama-side effects ongase uwathole, uqala ngalawo avamile kakhulu:

• Ukugula nokuhlanza (kuthinta cishe u-60% weziguli)
• Umfutho wegazi ophansi ngesikhathi sokufakwa komuthi
• Ukukhathala nobuthakathaka
• Isiyezi noma ukuzizwa ubuthakathaka
• Ukuvuvukala noma ukushisa ebusweni nasentanyeni yakho
• Ukunambitheka kwensimbi emlonyeni wakho
• Ukuthimula noma ukububula
• Ukozela

Iningi lalezi zinto zithambile futhi ziyanyamalala emahoreni ambalwa. Ithimba lakho lezempilo lizokuqapha ngokusondele futhi linganikeza imithi ukusiza ukuphatha isicanucanu nokusekela umfutho wakho wegazi uma kudingeka.

Ezinye iziguli ziba nemiphumela engavamile kodwa ekhathazayo edinga ukunakekelwa kwezempilo ngokushesha:

• Ukuphendula okukhulu komzimba okunzima ukuthatha umoya noma ukuvuvukala
• Umfutho wegazi ophansi oyingozi ongayiphenduli imithi
• Izinkinga ezinzima zezinso
• Ukushaya kwenhliziyo okungajwayelekile
• Ukushaywa yisithuthwane (akuvamile kakhulu)

Le miphumela emibi engathi sína ayivamile, kodwa ithimba lakho lezokwelapha liqeqeshwe ukuyibona nokuyelapha ngokushesha. Ukulawulwa kwendawo yezokwelapha kuqinisekisa ukuthi uthola ukunakekelwa okusheshayo uma kukhona izimpawu ezikhathazayo ezivela.

Ubani Ongafanele Athole I-Amifostine?

I-Amifostine ayifanele wonke umuntu, futhi udokotela wakho uzohlola ngokucophelela ukuthi iphephile yini kuwe. Izimo ezithile zezokwelapha nezimo zenza imithi ibe yingozi kakhulu ukuyisebenzisa.

Akufanele uthole i-amifostine uma unesinye salezi zimo:

• Ukungezwani okwaziwayo ne-amifostine noma izingxenye zayo
• Umfutho wegazi ophezulu ongagadiwe
• Isifo senhliziyo esibi noma izinkinga zenhliziyo zakamuva
• Isifo sezinso esibi
• Izinhlobo ezithile zomdlavuza ezingavikelwa yimithi
• Ukukhulelwa noma ukuncelisa

Udokotela wakho uzophinda aqaphele ngokunquma i-amifostine uma unomlando wokushaywa unhlangothi, izinkinga zesigqi senhliziyo, noma uma uthatha imithi ethinta umfutho wegazi. Ubudala ngokwawo abuyona into evimbayo, kodwa abadala bangase badinge ukuqashwa okwengeziwe.

Ezinye izinhlobo zomdlavuza, ikakhulukazi lezo ezihilela umnkantsha wamathambo noma amaseli egazi, kungenzeka zingabi ngabakhethi be-amifostine ngoba ukuvikela lezi zindawo kungaphazamisa ukusebenza kokwelashwa.

Amagama Omkhiqizo we-Amifostine

I-Amifostine itholakala ngaphansi kwegama lomkhiqizo elithi Ethyol e-United States. Lolu uhlobo oluvame kakhulu ukunqunywa emazweni okwelashwa umdlavuza.

Inguqulo ejwayelekile ibizwa ngokuthi i-amifostine futhi isebenza ngokufana negama lomkhiqizo. Umshwalense wakho ungase ukhethe inguqulo eyodwa kunenye, kodwa zombili ziqukethe isithako esifanayo esisebenzayo futhi zinikeza izinzuzo ezifanayo zokuvikela.

Ezinye izimakethe zamazwe ngamazwe zingase zibe namagama omkhiqizo ahlukene, kodwa umuthi ngokwawo uhlala unjalo. Ithimba lakho lokunakekelwa kwezempilo lizoqinisekisa ukuthi uthola ukwakheka okufanele ngaphandle kokucatshangelwa kwegama lomkhiqizo elithile.

Ezinye Izindlela Zokwelapha ze-Amifostine

Njengamanje, azikho ezinye izindlela eziqondile ze-amifostine ezisebenza ngendlela efanayo. Kodwa-ke, udokotela wakho unezinye izindlela zokuvikela izitho zakho ngesikhathi sokwelashwa komdlavuza.

Ukuvikela izinso ngesikhathi sokwelashwa nge-cisplatin, ezinye izindlela zihlanganisa ukusebenzisa i-carboplatin esikhundleni se-cisplatin, nakuba lokhu kungase kungasebenzi kahle eminye imidlavuza. Ukumanzisa ngamandla kanye nemithi efana ne-mannitol nayo ingasiza ekuvikeleni ukusebenza kwezinso.

Umlomo owomile obangelwa imisebe, ezinye izindlela zihlanganisa i-intensity-modulated radiation therapy (IMRT) eqondise kangcono umdlavuza ngenkathi igcina amagland amathe, noma imithi efana ne-pilocarpine engashukumisa ukukhiqizwa kwamathe ngemva kokwelashwa.

Udokotela wakho we-oncologist uzoxoxa ngalezi ezinye izindlela uma i-amifostine ingakulungele noma uma uhlangabezana nemiphumela engathandeki. Ukukhetha kuncike ohlotsheni lwakho oluthile lomdlavuza, uhlelo lokwelashwa, nempilo yonke.

Ingabe i-Amifostine Ingcono Kunezinye Imithi Evikelayo?

I-Amifostine igqama njengomuthi kuphela ovunywe yi-FDA oklanyelwe ngqo ukuvikela amaseli anempilo ngesikhathi sokwelashwa komdlavuza. Akukho omunye umuthi owodwa onikeza izinzuzo ezifanayo zokuvikela ezibanzi ngokumelene kokubili i-chemotherapy kanye nomonakalo wemisebe.

Uma kuqhathaniswa namanye amaqhinga okuvikela, i-amifostine inezinzuzo eziyingqayizivele. Isebenza ezingeni leselula ukungathathi hlangothi umonakalo ngaphambi kokuthi uqale, kunokuthi imane nje iphathe izimpawu ngemva kwalokho. Le ndlela yokuvikela ngokucophelela ivame ukunikeza ukuvikelwa okungcono kunezindlela zokwelapha ezisabelayo.

Nokho, “okungcono” kuncike esimweni sakho ngasinye. Ezinye iziguli ziyayibekezelela kahle i-amifostine futhi zithole ukuvikelwa okukhulu, kanti ezinye zingase zithole ukuthi imiphumela emibi iyinselele. Udokotela wakho uzohlola izinzuzo ngokumelene nezingozi zecala lakho elithile.

Ukusebenza komuthi kuye kwafakazelwa ezivivinyweni zemitholampilo, okukhombisa ukuncipha okukhulu ekulimaleni kwezinso kanye nomlomo owomile. Ubufakazi obusekelwe ocwaningweni benza kube yisinqumo esithenjwayo lapho ukuvikelwa kwezitho kubalulekile empumelelweni yakho yokwelashwa.

Imibuzo Evame Ukubuzwa Mayelana ne-Amifostine

Ingabe i-Amifostine iphephile ezigulini ezinomdlavuza wenhliziyo?

I-Amifostine idinga ukuhlolwa ngokucophelela ezigulini ezinomdlavuza wenhliziyo ngoba inganciphisa umfutho wegazi okwesikhashana futhi ithinte ukushaya kwenhliziyo. Udokotela wakho wenhliziyo kanye nodokotela we-oncologist bazosebenzisana ukuze banqume ukuthi izinzuzo zidlula yini izingozi.

Uma unomdlavuza wenhliziyo ozinzile, ungase ukwazi ukuthola i-amifostine ngokuqapha okwengeziwe. Nokho, uma unezinkinga zenhliziyo ezinzima, ukuhlaselwa yinhliziyo kwakamuva, noma izinkinga zokushaya kwenhliziyo ezingalawuleki, udokotela wakho cishe uzoncoma amaqhinga okuvikela ehlukile.

Ithimba lezokwelapha lizoqapha ukushaya kwenhliziyo yakho nomfutho wegazi ngokuqhubekayo ngesikhathi sokwelashwa. Balungiselelwe ukuhlinzeka ngosizo oluphuthumayo uma kwenzeka noma yiziphi izinkinga ezihlobene nenhliziyo ngesikhathi sokufakwa.

Ngingenzani uma ngithola imiphumela emibi engathi sína ngesikhathi sokwelashwa nge-Amifostine?

Uma uhlangabezana nemiphumela emibi kakhulu efana nobunzima bokuphefumula, ubuhlungu besifuba, noma isiyezi esikhulu ngesikhathi sokufakwa kwe-amifostine, yazisa ithimba lakho lezempilo ngokushesha. Ungalindi noma uzame ukubhekana nakho.

Ithimba lakho lezokwelapha liqeqeshwe ukubhekana nalezi zimo ngokushesha. Bangakwazi ukumisa ukufakwa, banikeze imithi esekelayo, futhi baqinisekise ukuphepha kwakho. Izinto eziningi ezinzima ziyaxazululeka ngokushesha uma ukufakwa kuyekisiwe.

Ngemuva kokusabela okukhulu, udokotela wakho uzobuyekeza ukuthi ngabe i-amifostine isafanele yini kuwe. Bangase balungise umthamo, bashintshe izinga lokufakwa, noma batusa amasu okuvikela ezinye izindlela zokwelashwa okuzayo.

Ngingaqhubeka yini ngithatha i-Amifostine uma ngiphuthelwa umthamo ohleliwe?

Njengoba i-amifostine inikezwa endaweni yezokwelapha ngaphambi kokwelashwa komdlavuza, imithamo ephuthelwe ayivamile. Uma ukwelashwa kwakho umdlavuza kuhlehliswa noma kuhlelwa kabusha, i-amifostine yakho izohlelwa kabusha ngokufanele.

Akudingeki ukhathazeke ngokwenza imithamo ephuthelwe noma ukugcina isimiso esithile ngaphandle kwama-aphoyintimenti akho okwelashwa komdlavuza. Umuthi usebenza kuphela uma unikezwa ngokushesha ngaphambi kwe-chemotherapy noma imisebe.

Uma uphuthelwa i-aphoyintimenti yokwelashwa komdlavuza, xoxa nethimba lakho lezokwelapha ukuthi ngabe kukhona yini ukulungiswa okudingekayo ohlelweni lwakho lokwelashwa olujwayelekile. Bazoqinisekisa ukuthi isimiso sakho semithi evikelayo sihambisana nesimiso sakho sokwelashwa komdlavuza.

Ngingayeka nini ukuthatha i-Amifostine?

Uzoyeka ukuthatha i-amifostine uma uqeda i-cisplatin chemotherapy yakho noma inkambo yokwelashwa ngemisebe. Akunasidingo sokunciphisa umuthi kancane kancane ngoba akuyona into umzimba wakho othenjwa kuyo.

Udokotela wakho angase futhi ayeke i-amifostine uma uba nemiphumela emibi engabekezeleleki noma uma uhlelo lwakho lokwelashwa komdlavuza lushintsha. Bazokwenza lesi sinqumo ngokusekelwe emigomweni yakho yokwelashwa iyonke kanye nekhwalithi yempilo.

Ezinye iziguli zikhathazeka ngokulahlekelwa ukuvikeleka lapho i-amifostine iyekiswa, kodwa khumbula ukuthi udinga ukuvikeleka kuphela ngesikhathi sokwelashwa komdlavuza okusebenzayo. Uma i-chemotherapy yakho noma imisebe isiqediwe, izitho zakho zingaqala inqubo yazo yokuphulukisa yemvelo.

Ingabe i-Amifostine iphazamisa Ukusebenza Kokwelashwa Komdlavuza?

Ucwaningo olubanzi lubonisa ukuthi i-amifostine ivikela amaseli anempilo ngaphandle kokunciphisa ukusebenza kokwelashwa komdlavuza. Isenzo esikhethekile somuthi sisho ukuthi amaseli omdlavuza ahlala esengozini ngenkathi izitho zakho ezinempilo zithola ukuvikeleka.

Izivivinyo zomtholampilo zibonise ukuthi iziguli ezithola i-amifostine zinomphumela ofanayo wokwelashwa komdlavuza uma kuqhathaniswa nalabo abangayitholi. Ubufakazi busekela ukusetshenziswa kwayo njengesilinganiso sokuvikela esingaphazamisi ukunakekelwa komdlavuza wakho.

Udokotela wakho we-oncologist uzoncoma i-amifostine kuphela uma eqiniseka ukuthi ngeke iphazamise ukwelashwa komdlavuza wakho. Uma kukhona ukukhathazeka ngokuncishiswa kokusebenza, bazobeka phambili ukwelashwa komdlavuza wakho ngaphezu kokuvikelwa kwezitho.