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

I-Inotersen iyikhambi elibhalwe ngudokotela elenzelwe ukwelapha i-hereditary transthyretin-mediated amyloidosis (hATTR amyloidosis), isimo esingavamile sezakhi zofuzo esithinta imizwa yakho nezitho. Lo muthi usebenza ngokunciphisa ukukhiqizwa kwamaprotheni anezinkinga abizwa ngokuthi i-transthyretin, engakha emzimbeni wakho futhi ibangele izinkinga ezinzima.

Uma wena noma othile okhathalela yena etholiwe ukuthi une-hATTR amyloidosis, cishe uzizwa ukhungathekile ngalo lonke ulwazi lwezokwelapha. Ake sihambe ngalokho okudingeka ukwazi ngalo muthi ngamagama alula, acacile.

Yini i-Inotersen?

I-Inotersen iyikhambi le-antisense oligonucleotide olijova ngaphansi kwesikhumba sakho kanye ngesonto. Ingokwesigaba esisha semithi esebenza ezingeni lezakhi zofuzo ukunciphisa ukuqhubeka kwesifo.

Lo muthi uqondise ngqo imiyalelo ye-RNA etshela isibindi sakho ukuthi senze amaprotheni e-transthyretin. Ngokuvala le miyalelo, i-inotersen isiza ukunciphisa inani lamaprotheni angajwayelekile umzimba wakho owakhiqizayo. Cabanga ngayo njengokuthatha imiyalezo enezinkinga ngaphambi kokuthi ibangele umonakalo owengeziwe.

Lo muthi unikezwa njenge-subcutaneous injection, okusho ukuthi ungena esicutshini esinamanzi ngaphansi nje kwesikhumba sakho. Lokhu kuvumela umuthi ukuthi ungene emsingeni wakho kancane kancane futhi usebenze emzimbeni wakho wonke.

Yini i-Inotersen Esetshenziselwa Yona?

I-Inotersen iphatha i-hereditary transthyretin-mediated amyloidosis (hATTR amyloidosis) kubantu abadala. Lesi simo esingavamile sezakhi zofuzo senzeka lapho umzimba wakho ukhiqiza amaprotheni e-transthyretin angajwayelekile aqoqana futhi alimaze imizwa yakho nezitho.

Lesi simo sithinta ikakhulukazi izinzwa zakho zomgogodla, okubangela izimpawu ezinjengokuba ndikindiki, ukuluma, ubuhlungu, nobuthakathaka ezandleni nasezinyaweni zakho. Ngokuhamba kwesikhathi, kungase futhi kuthinte inhliziyo yakho, izinso, kanye nohlelo lokugaya ukudla. Ngaphandle kokwelashwa, i-hATTR amyloidosis ngokuvamile iba yimbi futhi ingaba yingozi ekuphileni.

Udkt wakho uzonquma kuphela i-inotersen uma unesifo esiqinisekisiwe se-genetic se-hATTR amyloidosis. Umuthi wenzelwe ngqo lesi simo futhi ngeke usize ngezinye izinhlobo zezinkinga zezinzwa noma i-amyloidosis.

Isebenza Kanjani I-Inotersen?

I-Inotersen isebenza ngokusebenzisa imishini yakho yemvelo yamaselula ukunciphisa ukukhiqizwa kwamaprotheni e-transthyretin. Ithathwa njengomuthi olinganiselwe oqinile onganciphisa kakhulu ukuqhubeka kwesifo uma isetshenziswa ngendlela efanele.

Umuthi uqondiswe ku-messenger RNA (mRNA) ethwala imiyalelo evela kumajini akho eya emshinini wakho wokwenza amaprotheni. Ngokubopha kule mRNA, i-inotersen ivimbela isibindi sakho ekwenzeni amaprotheni e-transthyretin amaningi. Lokhu kunciphisa inani lamaprotheni angavamile atholakala ukwenza amadiphozi ayingozi emzimbeni wakho.

Ucwaningo lubonisa ukuthi i-inotersen inganciphisa ukukhiqizwa kwe-transthyretin ngamaphesenti angama-75-80% ezigulini eziningi. Lokhu kuncishiswa okukhulu kusiza ukunciphisa ukulimala kwezinzwa futhi kungazinzisa noma ngisho nokuthuthukisa ezinye izimpawu. Kodwa-ke, kuthatha izinyanga eziningana zokwelashwa okuqhubekayo ukuze kuboneke izinzuzo eziqondakalayo.

Kufanele Ngiyithathe Kanjani I-Inotersen?

Uzojova i-inotersen kanye ngesonto ngosuku olufanayo isonto ngalinye, ujikeleze phakathi kwezindawo ezahlukene zokujova. Umuthi uza ngamasirinji agcwaliswe ngaphambilini owagcina esiqandisini sakho kuze kube yilapho uwasebenzisa.

Ngaphambi kokujova kwakho, vumela umuthi ukuthi ufudumale ekamelweni lokushisa cishe imizuzu engama-30. Hlanza indawo yakho yokujova nge-alcohol swab bese ujova umuthi esicutshini esinamanzi sethanga lakho, ingalo engenhla, noma isisu. Ithimba lakho lezempilo lizokufundisa inqubo efanele yokujova nezindawo zokujikeleza phakathi kwazo.

Ungathatha i-inotersen ngaphandle kokudla noma ngaphandle kokudla ngoba ijovwa esikhundleni sokuthathwa ngomlomo. Nokho, ukuhlala unamanzi kahle nokugcina ukudla okunempilo kungasiza umzimba wakho ukuthi ukwazi ukusingatha imithi kangcono. Abanye abantu bakuthola kuwusizo ukujova ngesikhathi esifanayo njalo ngesonto ukuze basungule isimiso.

Kufanele Ngiyithathe Isikhathi Esingakanani I-Inotersen?

I-Inotersen ngokuvamile iyindlela yokwelapha yesikhathi eside ozoqhubeka nayo unomphela uma nje isiza futhi uyayithola kahle. Njengoba i-hATTR amyloidosis iyisimo sezakhi zofuzo esiqhubekayo, ukuyeka imithi ngokuvamile kuvumela isifo ukuthi siqhubeke futhi.

Udokotela wakho uzoqapha ukusabela kwakho ekwelashweni ngokuhlolwa kwegazi njalo kanye nokuhlolwa kwezinzwa. Abantu abaningi baqala ukubona ukuzinza kwezimpawu zabo phakathi kwezinyanga eziyi-6-12, nakuba ezinye izithuthukiso zingase zithathe isikhathi eside ukuthi zivele.

Isinqumo sokuqhubeka noma ukuyeka i-inotersen sincike ezintweni eziningana okuhlanganisa ukuthi isebenza kahle kangakanani, yiziphi imiphumela emibi oyitholayo, kanye nesimo sakho sempilo esiphelele. Ithimba lakho lezokwelapha lizosebenza nawe ukuze linqume uhlelo olungcono kakhulu lwesikhathi eside esimweni sakho esithile.

Yiziphi Imiphumela Emibi ye-Inotersen?

Njengayo yonke imithi, i-inotersen ingabangela imiphumela emibi, nakuba kungewona wonke umuntu oyitholayo. Imiphumela emibi evame kakhulu ngokuvamile ingalawuleka ngokuqapha nokunakekela okufanele.

Nansi imiphumela emibi ongase uyithole, iqala ngaleyo evame kakhulu:

• Ukuphendula endaweni yokujova njengobubomvu, ukuvuvukala, noma ubuhlungu
• Isicanucanu nokuhlanza
• Ikhanda
• Ukukhathala
• Umkhuhlane
• Ukuqaqamba kwemisipha
• Amaqhwa

Le miphumela emibi evamile ivame ukuthuthuka njengoba umzimba wakho ujwayela imithi emasontweni ambalwa okuqala okwelashwa.

Imiphumela emibi engathi sína idinga ukunakekelwa kwezokwelapha ngokushesha futhi ihlanganisa:

• Ukwehla okukhulu kwamaplatelets (i-thrombocytopenia) okubangela ukulimala kalula noma ukuphuma kwegazi
• Izinkinga zezinso ezihlanganisa i-glomerulonephritis
• Ukusabela okukhulu endaweni yokujova nokuvuvukala okukhulu noma ukutheleleka
• Izimpawu zezimo zokuvuvukala

Udokotela wakho uzokuhlola ngokucophelela ngezivivinyo zegazi ezivamile ukuze abambe noma yimaphi imiphumela emibi ngaphambi kwesikhathi. Abantu abaningi bangaqhubeka nokwelashwa ngokuphepha ngokuhlolwa okufanele nokulungiswa komthamo uma kudingeka.

Ubani Ongafanele Athathe I-Inotersen?

Abantu abathile akufanele bathathe i-inotersen ngenxa yengozi eyengeziwe yezinkinga ezinzima. Udokotela wakho uzohlola ngokucophelela ukuthi lo muthi uphephile yini kuwe ngaphambi kokuwubhala.

Akufanele uthathe i-inotersen uma une:

• Isifo sezinso esibi noma use-dialysis
• Ukuphuma kwegazi okusebenzayo, okungalawulwa
• Ukubala kwamaplatelet aphansi kakhulu
• Ukutheleleka okusebenzayo okungakwazi ukulawulwa uhlelo lwakho lomzimba lokuzivikela ezifweni
• Ukungezwani okwaziwayo ne-inotersen noma izingxenye zayo

Ukuqapha okukhethekile kuyadingeka uma unezinkinga zezinso eziphakathi nendawo, umlando wokuphuma kwegazi, noma uthatha imithi eqeda igazi. Udokotela wakho angase akubhalele i-inotersen kodwa uzokuhlola eduze futhi mhlawumbe alungise uhlelo lwakho lokwelashwa.

Ukukhulelwa nokuncelisa ngamabele kudinga ukucatshangelwa okukhethekile, njengoba imiphumela ye-inotersen ezinganeni ezisakhula ingaziwa ngokugcwele. Udokotela wakho uzoxoxa ngezingozi ezingaba khona nezinzuzo uma uhlela ukukhulelwa noma usuvele ukhulelwe.

Amagama Omkhiqizo we-Inotersen

I-Inotersen ithengiswa ngaphansi kwegama lomkhiqizo elithi Tegsedi emazweni amaningi lapho itholakala khona. Leli yigama lomkhiqizo elilodwa elivunyelwe njengamanje ngalo muthi.

I-Tegsedi ikhiqizwa yi-Akcea Therapeutics futhi itholakala emazweni amaningana okuhlanganisa i-United States, Canada, kanye namazwe amaningi aseYurophu. Umuthi uza ngamasirinji agcwaliswe ngaphambili aqukethe ama-284 mg e-inotersen sodium.

Njengoba leli kuyisithako esikhethekile sesimo esingavamile, sitholakala kuphela ngemithi ethile futhi sidinga imvume yangaphambili evela enkampanini yakho yomshuwalense. Ithimba lakho lokunakekelwa kwezempilo lizosiza ukuxhumanisa ukufinyelela emuthini ngeziteshi ezifanele.

Ezinye Izindlela Zokwelapha i-Inotersen

Eminye imithi eminingi ingelapha i-hATTR amyloidosis, nakuba ngamunye esebenza ngendlela ehlukile futhi angase afaneleke kangcono ezigulini ezihlukene. Udokotela wakho uzosiza ukunquma ukuthi iyiphi inketho engcono kakhulu esimweni sakho esithile.

Ezinye izindlela ezinkulu zihlanganisa:

• Patisiran (Onpattro) - omunye umuthi oqondiswe yi-RNA onikezwa nge-IV infusion
• Tafamidis (Vyndaqel) - umuthi ozinzisa amaprotheni e-transthyretin
• Diflunisal - umuthi omdala ongazinza futhi amaprotheni

Ngamunye kulawa mathuba anezinzuzo ezihlukene kanye namaphrofayili emiphumela emibi. I-Patisiran isebenza ngendlela efana ne-inotersen kodwa idinga ukufakwa kwe-IV kwanyanga zonke esikhundleni sokujova masonto onke. I-Tafamidis isebenza ngokuvimbela amaprotheni e-transthyretin ukuthi angavuleki futhi akhe amadiphozi ayingozi.

Ukukhetha phakathi kwale mithi kuncike ezintweni ezinjengesigaba sakho sesifo, ezinye izimo zezempilo, ikhono lokubekezelela imijovo noma ukufakwa, kanye nezintandokazi zakho. Abanye abantu bangase badinge ukuzama izinketho ezihlukene ukuze bathole okubasebenzela kahle.

Ingabe i-Inotersen Ingcono Kune-Patisiran?

Kokubili i-inotersen ne-patisiran ziyizindlela zokwelapha ezisebenzayo ze-hATTR amyloidosis, kodwa zinezinto ezihlukene eziwusizo nezingezinhle. Akukho noyedwa othi “ungcono” kunomunye – ukukhetha okungcono kuncike ezimweni zakho.

I-Inotersen inikeza lula lokuzijova masonto onke ekhaya, okuthandwa abantu abaningi ngaphezu kohambo lwanyanga zonke oluya esikhungweni sokufakwa kwe-patisiran. Kodwa-ke, i-inotersen idinga ukuqapha okuningi ngemiphumela emibi, ikakhulukazi izinkinga zezinso kanye ne-platelet.

I-Patisiran ingase ibe nezinga elingcono lempembelelo engemihle kwezinye izifundo, kodwa idinga ukufakwa kwemithambo yegazi njalo ngenyanga okuthatha amahora amaningi. Lokhu kungaba inselelo kubantu abahlala kude nezikhungo zokufaka imithambo yegazi noma abanobunzima bokufinyelela emithanjeni yegazi.

Zombili lezi zithako zisebenza ngempumelelo ekunciphiseni ukukhiqizwa kwe-transthyretin ngamanani afanayo futhi zinganciphisa ukuqhubeka kwesifo. Udokotela wakho uzocabangela izinto ezinjengendlela yakho yokuphila, ezinye izimo zempilo, nezintandokazi zakho siqu lapho ekusiza ukuthi ukhethe phakathi kwalezi zinketho.

Imibuzo Evame Ukubuzwa Mayelana ne-Inotersen

Umbuzo 1. Ingabe i-Inotersen iphephile kubantu abanezinkinga zenhliziyo?

I-Inotersen ingasetshenziswa kubantu abahileleke enhliziyweni evela ku-hATTR amyloidosis, kodwa idinga ukuqapha okucophelelayo. Umuthi awuthinti ngokuqondile ukusebenza kwenhliziyo, kodwa isimo esiyisisekelo sivame ukubandakanya inhliziyo.

Udokotela wakho wenhliziyo kanye nodokotela wakho wezinzwa bazosebenzisana ukuqapha impilo yenhliziyo yakho ngesikhathi sokwelashwa. Abanye abantu abanenhliziyo ehlulekayo engathi sína bangase badinge izinyathelo zokuphepha ezengeziwe noma ukuqapha okuseduze. Izinzuzo ezingaba khona zokunciphisa ukuqhubeka kwesifo zivame ukwedlula izingozi kubantu abahileleke enhliziyweni.

Umbuzo 2. Kufanele ngenzeni uma ngiphuthelwa ngengozi ukusebenzisa i-Inotersen eningi kakhulu?

Uma ngengozi ujova umthamo omkhulu we-inotersen, xhumana nodokotela wakho noma izinsiza eziphuthumayo ngokushesha. Ungalindi ukubona ukuthi ngabe uba nezimpawu - ukweqisa kungabangela imiphumela emibi engadinga ukunakekelwa kwezokwelapha okusheshayo.

Letha ukupakishwa komuthi esibhedlela ukuze abahlinzeki bezempilo bazi kahle ukuthi uthatheni ini. Bangase badinge ukuqapha ukubalwa kwegazi lakho kanye nomsebenzi wezinso ngokusondelene futhi banikeze ukunakekelwa okusekelayo njengoba kudingeka.

Umbuzo 3. Kufanele ngenzeni uma ngiphuthelwa umthamo we-Inotersen?

Uma uphuthelwa umthamo wakho wamasonto onke, uwuthathe ngokushesha lapho ukhumbula, bese ubuyela esimisweni sakho esijwayelekile. Ungathathi imithamo emibili eduze ukuze ulungise umthamo ophuthelwe.

Uma sekudlule izinsuku ezingaphezu kwezi-2 kusukela emthanjeni wakho ohleliwe, xhumana nodokotela wakho ukuze uthole isiqondiso. Bangase batusa ukuthatha umthamo owaphuthelwa noma ukulinda kuze kube umjovo wakho olandelayo ohleliwe, kuye ngesimo sakho esithile.

Q4. Ngingayeka nini ukuthatha i-Inotersen?

Kufanele uyeke kuphela ukuthatha i-inotersen ngemva kokuxoxa ngayo ngokucophelela nodokotela wakho. Njengoba i-hATTR amyloidosis iqhubeka, ukuyeka ukwelashwa ngokuvamile kuvumela isifo ukuthi siqhubeke futhi.

Udokotela wakho angase ancome ukuyeka uma uba nemiphumela emibi engalawuleki, uma umuthi ungasizi ngemva kwesikhathi esanele sokuzama, noma uma isimo sakho sempilo yonke sishintsha kakhulu. Ungalokothi uyeke ukuthatha i-inotersen ngokuzumayo ngaphandle kokuqashwa kwezokwelapha.

Q5. Ngingahamba yini ngenkathi ngithatha i-Inotersen?

Yebo, ungahamba ngenkathi uthatha i-inotersen, kodwa kudinga ukuhlela okuthile. Umuthi udinga ukuhlala efrijini futhi uzodinga ukugcina isimiso sakho somjovo wamasonto onke kungakhathaliseki izinguquko zesikhathi.

Thola incwadi yokuhamba evela kudokotela wakho echaza isimo sakho sezokwelapha nezidingo zomuthi. Pakisha izinto ezengeziwe uma kwenzeka ukubambezeleka, futhi ucwaninge ngezikhungo zezokwelapha lapho uya khona uma udinga usizo. Abantu abaningi bahamba ngempumelelo ngenkathi be-inotersen ngokulungiselela okufanele.