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

I-Vutrisiran iyimithi entsha esiza ukwelapha isimo esingavamile esizuzwe njengefa esibizwa ngokuthi i-hereditary transthyretin amyloidosis (hATTR). Lesi simo sibangela ukwakheka kwamaprotheni ayingozi emzimbeni wakho nasezinzwa, okuholela ezinkingeni ezinkulu zempilo ngokuhamba kwesikhathi.

Uma wena noma othile omaziyo ethola ukuthi une-hATTR, ungase uzizwe ukhungathekile ngenxa yobunzima bezinketho zokwelapha. I-Vutrisiran imelela ukuqhubeka okubalulekile ekuphatheni lesi simo esiyinselele, inikeza ithemba lokunciphisa ukuqhubeka kwesifo nokuthuthukisa izinga lempilo.

Yini i-Vutrisiran?

I-Vutrisiran uhlobo lomuthi obizwa ngokuthi i-small interfering RNA (siRNA) therapy. Isebenza ngokugxila emiyalweni yofuzo etshela isibindi sakho ukuthi senze amaprotheni anephutha abangela isimo sakho.

Cabanga ngayo njengethuluzi eliqondile le-molecular elingakwazi "ukunciphisa" ukukhiqizwa kwamaprotheni e-transthyretin anezinkinga. Umuthi unikezwa njengomjovo ngaphansi kwesikhumba sakho, ngendlela efana naleyo abantu abanesifo sikashukela abangase bayijove ngayo i-insulin. Le ndlela yokulethwa ivumela umuthi ukuthi ufinyelele esibindini sakho ngempumelelo lapho ungenza khona umsebenzi wawo obalulekile.

Isetshenziselwani i-Vutrisiran?

I-Vutrisiran igunyazwe ngokuqondile ukwelapha i-hereditary transthyretin amyloidosis (hATTR) kubantu abadala. Lesi simo esingavamile sezakhi zofuzo sithinta indlela umzimba wakho oqhubula ngayo iprotheni ebizwa ngokuthi i-transthyretin, ngokuvamile esiza ukuthutha ezinye izinto egazini lakho.

Kubantu abane-hATTR, iprotheni ye-transthyretin iba yimpoqo futhi iqongelelane ndawonye, ​​yakhe amadiphozi abizwa ngokuthi ama-amyloids. Lawa madiphozi angakha enhliziyweni yakho, ohlelweni lwakho lwezinzwa, nakwezinye izitho, okubangela umonakalo oqhubekayo. Lesi simo singaholela ezinkingeni zenhliziyo, ukulimala kwezinzwa ezandleni zakho nasezinyaweni, nezinkinga zokugaya ukudla.

Udktela wakho ngokuvamile uzoncoma i-vutrisiran uma uqinisekisile ukuthi une-hATTR enezimpawu ezithinta imizwa yakho noma inhliziyo yakho. Umuthi uhlose ukunciphisa ukuqhubeka kwesimo sakho futhi usize ukugcina izinga lakho lamanje lokusebenza.

Isebenza Kanjani I-Vutrisiran?

I-Vutrisiran isebenza ngokusebenzisa imishini yakho yemvelo yeselula ukunciphisa ukukhiqizwa kwamaprotheni e-transthyretin anezinkinga. Ithathwa njengomuthi onamandla aphakathi nendawo onganciphisa kakhulu amazinga amaprotheni uma isetshenziswa njalo.

Umuthi uqukethe izingcezu ezincane zezinto zofuzo ezihambisana nezigaba ezithile zemiyalelo isibindi sakho esisisebenzisela ukwenza i-transthyretin. Lapho i-vutrisiran ifinyelela emangqamuzaneni esibindi sakho, ibopha kule miyalelo futhi ivimbele ukuthi ingasetshenziselwa ukudala amaprotheni anezinkinga.

Le nqubo inganciphisa ukukhiqizwa kwe-transthyretin ngama-87% kubantu abaningi. Ngokwehlisa inani lamaprotheni anezinkinga umzimba wakho owenzayo, i-vutrisiran isiza ekuvikeleni ukwakheka kwama-deposit amasha e-amyloid futhi ingavumela ama-deposit akhona ukuthi asuswe kancane kancane.

Kufanele Ngiyithathe Kanjani I-Vutrisiran?

I-Vutrisiran inikezwa njengomjovo ngaphansi kwesikhumba sakho (umjovo ongaphansi kwesikhumba) kanye njalo ezinyangeni ezintathu. Umhlinzeki wakho wezempilo uzokwengamela umjovo ngesikhathi sokuvakasha emtholampilo, ngokuvamile engalweni yakho engenhla, ethangeni, noma esiswini.

Akudingeki ukuthi wenze izinguquko ezikhethekile zokudla ngaphambi noma ngemva komjovo wakho. Ungadla ngokujwayelekile futhi akudingeki ukuthi uthathe umuthi ngobisi noma ngamanzi ngoba ufakwa ngomjovo kunokuba ugwinywe. Kodwa-ke, ukuhlala unamanzi kahle ezinsukwini zomjovo kungakusiza ukuthi uzizwe ukhululekile.

Ngaphambi komjovo ngamunye, ithimba lakho lezempilo lizogada indawo yokujova futhi lingashintshana phakathi kwezindawo ezihlukene ukuvimbela ukucasuka. Umjovo ngokwawo uthatha imizuzu embalwa nje, futhi uzobhekwa isikhashana ngemva kwalokho ukuze uqinisekise ukuthi awunazo izimpendulo eziqondile.

Kufanele Ngiyithathe Isikhathi Esingakanani I-Vutrisiran?

I-Vutrisiran ngokuvamile iyindlela yokwelapha yesikhathi eside ozoqhubeka nayo uma nje isiza ukuphatha isimo sakho. Njengoba i-hATTR iyisimo sezakhi zofuzo esiqhubekayo, ukuyeka imithi kungenzeka kuvumele ukuthi ukukhiqizwa kwamaprotheni ayingozi kubuyele emazingeni angaphambilini.

Udokotela wakho uzoqapha ukusabela kwakho ekwelashweni ngezivivinyo zegazi ezivamile nokuhlolwa komtholampilo. Lokhu kuhlolwa kusiza ukunquma ukuthi imithi iyawanciphisa ngempumelelo amazinga akho e-transthyretin futhi yehlisa ukuqhubeka kwesifo.

Abantu abaningi baqhubeka ne-vutrisiran unomphela, uma nje beyibekezelela kahle futhi bebona izinzuzo. Ithimba lakho lokunakekelwa kwezempilo lizosebenza nawe ukuhlola izinzuzo eziqhubekayo nezingozi, lilungise uhlelo lwakho lokwelapha njengoba kudingeka ngokususelwa ekusabeleni kwakho ngakunye nanoma yiziphi izinguquko esimweni sakho.

Yiziphi Imiphumela Eceleni ye-Vutrisiran?

Njengayo yonke imithi, i-vutrisiran ingabangela imiphumela emibi, nakuba abantu abaningi beyibekezelela kahle. Ukuqonda okulindelekile kungakusiza ukuthi uzizwe ulungiseleleke kakhulu futhi wazi ukuthi ungaxhumana nini nomhlinzeki wakho wokunakekelwa kwezempilo.

Imiphumela emibi evame kakhulu ongase uyithole ihlanganisa ukusabela endaweni yokujova, njengobubomvu, ukuvuvukala, noma ubuhlungu obuncane lapho inaliti yangena khona. Lokhu kusabela kuvame ukuba mnene futhi kulungiseke ezinsukwini ezimbalwa.

Nansi imiphumela emibi ebikwa kaningi:

• Ukusabela endaweni yokujova (ububomvu, ukuvuvukala, ukulimala)
• Ukukhathala okuncane noma ukukhathala
• Imisipha noma ubuhlungu bamalunga
• Ikhanda
• Isiyezi
• Isicanucanu

Le miphumela emibi evamile ngokuvamile iyathuthuka njengoba umzimba wakho ujwayela imithi futhi ngokuvamile iphathwa ngezinyathelo zokunethezeka ezilula.

Ngokuvamile, abanye abantu bangase babe nemiphumela emibi ebaluleke kakhulu edinga ukunakekelwa kwezempilo. Nakuba lokhu kungavamile, kubalulekile ukukwazi ukuze ukwazi ukufuna usizo uma kudingeka.

Imiphumela emibi engavamile kodwa ebaluleke kakhulu ihlanganisa:

• Ukusabela okukhulu endaweni yokujova nokuvuvukala okukhulu noma ukutheleleka
• Ukusabela komzimba (ubunzima bokuphefumula, ukuqubuka okukhulu, ukuvuvukala kobuso noma umphimbo)
• Ushintsho olukhulu ekuhlolweni komsebenzi wesibindi
• Ukuphuma kwegazi okungavamile noma ukulimala
• Ukukhathala okukhulu okungathuthuki

Uma uhlangabezana nanoma yimaphi alawa maphuzu ayingozi, xhumana nodokotela wakho ngokushesha noma funa usizo lwezempilo oluphuthumayo uma izimpawu zinzima.

Ubani Ongafanele Athole I-Vutrisiran?

I-Vutrisiran ayilungele wonke umuntu, futhi udokotela wakho uzohlola ngokucophelela ukuthi ingabe iyona yini ekufanele isimo sakho esithile. Izimo ezithile zezempilo noma izimo zingenza lo muthi ungaphephile noma ungasebenzi kahle kuwe.

Akufanele uthathe i-vutrisiran uma wazi ukuthi unokungezwani nezithako zayo. Umhlinzeki wakho wezempilo uzobuyekeza uhlu oluphelele lwezithako nawe ngaphambi kokuqala ukwelashwa ukuze aqinisekise ukuthi awuzange ube nokusabela emithini efanayo esikhathini esidlule.

Udokotela wakho uzosebenzisa ukuqapha okwengeziwe noma angase angancomi i-vutrisiran uma unezimo ezithile ezingakhuphula ingozi yakho yezinkinga:

• Isifo sesibindi esibi noma ukwehluleka kwesibindi
• Ukutheleleka okusebenzayo noma isimiso somzimba esivikelekile esibuthakathaka kakhulu
• Izifo zokuqina kwegazi
• Umlando wokungezwani komzimba okukhulu emithini ejovwayo
• Ukukhulelwa noma izinhlelo zokukhulelwa

Ngaphezu kwalokho, uma uthatha ama-blood thinners noma unezifo zokuphuma kwegazi, udokotela wakho uzodinga ukukala izinzuzo ngokumelene nezingozi ezingaba khona ngokucophelela, njengoba ukuphuma kwegazi endaweni yokujova kungaba yinkinga enkulu.

Igama Lomkhiqizo Le-Vutrisiran

I-Vutrisiran ithengiswa ngaphansi kwegama lomkhiqizo elithi Amvuttra. Leli yigama lezentengiso ozolibona emaphaketheni akho emithi kanye nemibhalo yomshuwalense.

Uma nixoxa ngemithi yakho nabanakekeli bezempilo noma izinkampani zomshuwalense, kungenzeka uzwe womabili amagama esetshenziswa ngokushintshana. Igama elivamile (vutrisiran) libhekisela esithakweni semithi sangempela, kanti i-Amvuttra yigama eliqondile elikhiqizwa yi-Alnylam Pharmaceuticals.

Njengoba le kuyimithi ekhethekile yesimo esingavamile, i-Amvuttra ngokuvamile itholakala kuphela ngemithi ekhethekile futhi inikezwa ezindaweni zomtholampilo. Ithimba lakho labanakekeli bezempilo lizosiza ukuxhumanisa ukufinyelela emithini futhi liphathe noma yiziphi izidingo zemvume yomshuwalense.

Ezinye izindlela zokwelapha i-Vutrisiran

Kukhona ezinye izinketho zokwelapha i-hereditary transthyretin amyloidosis, nakuba ukukhetha okungcono kuncike ohlotsheni lwakho oluqondile lwe-hATTR nokuthi isimo sakho sesithuthuke kangakanani. Udokotela wakho uzokusiza ukuthi uqonde ukuthi iyiphi inketho engasebenza kangcono esimweni sakho.

Eminye imithi evunywe yi-FDA ye-hATTR ihlanganisa i-patisiran (Onpattro), enye i-siRNA therapy enikezwa nge-intravenously, kanye ne-inotersen (Tegsedi), i-antisense oligonucleotide enikezwa ngomjovo. I-Tafamidis (Vyndaqel) isebenza ngendlela ehlukile ngokuzinzisa iphrotheni ye-transthyretin kunokunciphisa ukukhiqizwa kwayo.

Ngayinye yalezi ezinye izindlela zokwelapha inamashejuli ahlukene okuphatha, amaphrofayili emiphumela emibi, namaphethini okusebenza kahle. Abanye abantu bangase bakhethe ishejuli yomjovo yanyanga zonke ye-vutrisiran, kanti abanye bangase basabele kangcono emithini ehlukene ngokusekelwe ezimweni zabo zesifo ngasinye nokubekezelela.

Ingabe i-Vutrisiran ingcono kune-Patisiran?

Kokubili i-vutrisiran ne-patisiran ziyindlela yokwelapha ye-siRNA esebenza kahle kakhulu ye-hATTR, kodwa zinezinye izinto ezibalulekile ezingenza enye ifaneleke kakhulu izidingo zakho ezithile. Akukho noyedwa othi ngokuqinisekile “ungcono” kunomunye - ukukhetha kuncike ezimweni zakho ngazinye nezintandokazi zakho.

I-Vutrisiran inikeza lula yokujova njalo emithathu ngaphansi kwesikhumba, kuyilapho i-patisiran idinga ukufakwa emithanjeni njalo ngenyanga okuthatha amahora amaningi endaweni yezokwelapha. Lokhu kwenza i-vutrisiran ibe lula kubantu abafuna ukuchitha isikhathi esincane ezikhungweni zezokwelapha.

Zombili lezi zithako zemithi zithola ukuncipha okufanayo emazingeni e-transthyretin protein, ngokuvamile cishe ngama-80-87%. Amaphrofayili emiphumela emibi nawo ayafana, nakuba abanye abantu bengase bakwazi ukubekezelela enye kangcono kunenye ngokusekelwe ekuzweleni kwabo ngabanye nasezimo zempilo.

Udokotela wakho uzocabangela izinto ezifana nendlela yakho yokuphila, ezinye izimo zempilo, umshwalense, nezintandokazi zakho siqu lapho ekusiza ukuthi ukhethe phakathi kwalezi zinketho. Abanye abantu bangase bashintshele kwenye uma behlangabezana nezinkinga zokubekezelela noma uma izimo zabo zempilo zishintsha.

Imibuzo Evame Ukubuzwa Mayelana ne-Vutrisiran

Q1. Ingabe i-Vutrisiran iphephile kubantu abanezinkinga zenhliziyo?

Yebo, i-vutrisiran ngokuvamile iphephile kubantu abahileleke enhliziyweni evela ku-hATTR, futhi empeleni ingasiza ukuvikela inhliziyo yakho ekulimaleni okuqhubekayo. Njengoba i-hATTR ivame ukuthinta inhliziyo, abantu abaningi abaqala le mithi sevele banezinga elithile lezinkinga zenhliziyo.

Umuthi usebenza ngokunciphisa ukukhiqizwa kwamaprotheni abangela ukufakwa kwe-amyloid emsipheni wenhliziyo yakho. Ngokwehlisa lawa mazinga amaprotheni, i-vutrisiran ingasiza ukunciphisa ukuqhubeka kwezinkinga ezihlobene nenhliziyo ezivela esimweni sakho.

Nokho, udokotela wakho wenhliziyo uzofuna ukuqapha ukusebenza kwenhliziyo yakho njalo ngenkathi usekwelashweni. Bazosebenzisa izivivinyo ezinjenge-echocardiograms kanye nezimpawu zegazi ukuze balandele ukuthi inhliziyo yakho isabela kanjani futhi baqinisekise ukuthi umuthi uyasiza kunokuthi ubangele noma yiziphi izinkinga.

Q2. Kufanele ngenzeni uma ngisebenzisa i-Vutrisiran eningi ngengozi?

Njengoba i-vutrisiran inikezwa ochwepheshe bezempilo ezindaweni zokwelapha, ukweqisa ngengozi akunakwenzeka. Ithimba lakho lezokwelapha libala ngokucophelela futhi lilungiselela umthamo wakho oqondile ngokusekelwe esisindweni somzimba wakho kanye nesimo sezempilo.

Uma ukhathazekile ngokuthi kungenzeka ukuthi uthole umthamo ongalungile ngesikhathi sokuvakasha emtholampilo, xhumana nomhlinzeki wakho wezempilo ngokushesha. Bangabukeza amarekhodi akho okwelashwa futhi bakuqaphele nganoma yiziphi izimpawu ezingavamile uma kudingeka.

Izimpawu ezingase zikhombe iphutha lomthamo zihlanganisa ukusabela okungavamile endaweni yokujova, ukukhathala okungalindelekile, noma izimpawu ezibonakala zibi kakhulu kunalokho okwenzeka ngemijovo yangaphambilini. Unganqikazi ukuxhumana nethimba lakho lezokwelapha uma kukhona okuzizwa kuhluke noma kukhathaza.

Q3. Kufanele Ngenzeni Uma Ngedlula Umthamo We-Vutrisiran?

Uma udlula umjovo wakho ohleliwe wekota, xhumana nomhlinzeki wakho wezempilo ngokushesha ngangokunokwenzeka ukuze uhlele kabusha. Njengoba i-vutrisiran inikezwa njalo emavikini amathathu, ukudlula umthamo kusho ukuthi amazinga akho amaprotheni e-transthyretin angaqala ukukhuphuka futhi.

Udkt wakho cishe uzofuna ukukunika umthamo odluliwe ngokushesha nje lapho kulula, bese uqhubeka nohlelo lwakho olujwayelekile lwezinyanga ezintathu kusukela ngaleso sikhathi. Ungazami ukwenza umthamo odluliwe ngokuthola imijovo emibili eduze - lokhu ngeke kube ngempumelelo futhi kungakhuphula ingozi yakho yemiphumela emibi.

Uma uvame ukuba nenkinga yokugcina isimiso sakho sokuqokwa, khuluma nethimba lakho lezokwelapha ngamasu okukusiza ukuthi uhlale emgwaqeni. Bangase bakwazi ukulungisa izikhathi zokuqokwa, bathumele izikhumbuzi, noma bakusize ukuthi uhlele ngohambo noma ezinye izenzakalo zempilo.

Q4. Ngingayeka Nini Ukuthatha I-Vutrisiran?

Isinqumo sokuyeka i-vutrisiran kufanele senziwe ngaso sonke isikhathi ngokubambisana nomhlinzeki wakho wezempilo, njengoba ukuyeka ngokushesha kungavumela isimo sakho ukuthi siqhubeke ngokushesha. Abantu abaningi baqhubeka nale mithi isikhathi eside njengengxenye yokuqhubeka kwabo ukuphatha isifo.

Udkt wakho angase acabange ukuyeka i-vutrisiran uma uhlangabezana nemiphumela emibi engathuthuki, uma umuthi uyeka ukusebenza esimweni sakho, noma uma impilo yakho yonke ishintsha kakhulu. Bazohlola izinzuzo ozitholayo uma ziqhathaniswa nanoma yiziphi izingozi noma izinkinga obhekana nazo.

Ngaphambi kokwenza noma yiziphi izinguquko ohlelweni lwakho lokwelashwa, ithimba lakho lezokwelapha cishe lizofuna ukubona ukuthi usabela kanjani ngokusebenzisa ukuhlolwa kwegazi nokuhlolwa komtholampilo. Lokhu kusiza ukuqinisekisa ukuthi ukuyeka umuthi kuyindlela engcono kakhulu empilweni yakho yesikhathi eside kanye nekhwalithi yempilo.

Q5. Ngingahamba Ngesikhathi Ngithatha I-Vutrisiran?

Yebo, ngokuvamile ungaqhubeka nokuhamba ngenkathi uthatha i-vutrisiran, kodwa uzodinga ukuhlela uhambo lwakho ngokuya ngeshejuli yakho yokujova yekota. Njengoba umuthi unikezwa ezindaweni zomtholampilo, uzodinga ukuba ubuye ngesikhathi sokuhlolwa kwakho okuhleliwe.

Uma uhlela uhambo olude, khuluma nethimba lakho lezempilo kusenesikhathi. Bangase bakwazi ukuxhumana nezikhungo zezokwelapha endaweni oya kuyo noma balungise isikhathi sakho sokujova kancane ukuze kuhambisane nezinhlelo zakho zokuhamba.

Ohambweni olufushane, ishejuli yokulinganisa yekota ikunikeza ukuguquguquka okwengeziwe uma kuqhathaniswa nemithi edinga ukwelashwa kwanyanga zonke. Gcina imininingwane yakho yezokwelapha kanye noxhumana nabo abaphuthumayo kalula ngenkathi uhamba, futhi qiniseka ukuthi unokwanele kweminye imithi oyithatha njalo.