I fa tê tê chu tlan, zuang, stairs chhoh, a nih loh leh ṭhutna aṭanga tho chhuah harsatna a neih hian nu emaw, pa emaw angin engtiang chiahin nge i lungngaih? Duchenne Muscular Dystrophy (DMD) hi genetic disease a ni a, zawi zawiin taksa ruh a tichak lo va, mipa naupang a vei ber a ni. Hemi hi damdawi nghet tak la awm lo mah se, tunah chuan he natna thunun nan leh naupang nun awlsam zawk nan khawvelah enkawlna thar an rawn chhuak ta a ni. Vawiin hian hetiang beiseina thar rawn thlentu Elevidys an tih gene therapy chungchang kan sawi dawn a ni.
Engtin nge he damdawi Elevidys an tih hian hna a thawh tak tak?
Hei hi hrethiam tur chuan DMD a lo than chhoh dan hi han en hmasa ila. Kan taksa ruh (muscles) te hi building chak tak angin han ngaihtuah teh. He building hi nghet taka awm reng tur leh a chim loh nan hian protein bik ‘dystrophin’ tih kan mamawh a ni. Building pakhata brick inzawmkhawmtu cement ang mai a ni.
DMD vei naupangah chuan genetic mutation vangin he ‘cement’ dystrophin an tih hi a siam tha tawk lo. Hei hian building blocks muscles an tih te chu a chak lo zauh zauh a, a tlakbuak ta a ni. Pakhatnaah chuan ke leh hip ruhte chu a chak lo tan a. Hei hian tlan, zuang leh stairs chhoh a ti harsa hle. Hun a kal zel a, he chak lohna hian kut, thinlung leh lungte pawh a nghawng thei a ni.
Elevidys hi gene therapy a ni. A awlsam zawngin, virus bik (vector) hmanga dystrophin chu taksa peng cell-a siam dan tur thupek awmna gene copy tawi tak thawn chhuah a ni.
Hei hian naupang taksa chu dystrophin protein form tawi zawk, mahse hnathawk thei zawk siam turin a pui a ni. Doctor-te chuan he ‘cement thar’ hian taksa ruh chak lohna rate a ti hniam ngei an beisei.
Engtin nge he enkawlna hi pek a nih?
Hei hi nitin pill a ni lo. Elevidys hi dam chhunga vawi khat enkawl theih a ni.
Hei hi saline ang bawkin vein-ah infusion angin pek a ni. Mahse hei hi in lamah tih theih a ni lo. Damdawi inah pek a ni a, doctor-te enkawlna kimchang hnuaiah pek a ni . A chhan chu naupang enkawl lai hian darkar eng emaw zat uluk taka enkawl a ngai a ni.
Enkawl hmain corticosteroid-type steroid damdawi ei tan a ni a, hei hian side effects a neih theihna a ti tlem a ni. Doctor chuan naupang chu a vaccine pek zawng zawng a zo vek tawh tih a enfiah bawk ang.
Research atanga chhuak chu eng nge ni?
He damdawi hman tangkai dan leh a him dan tur zirchianna eng emaw zat neih a ni tawh bawk. Heng zirchiannate hian naupang Elevidys pek leh pek loh (placebo group) te inthlauhna an zirchiang a ni. Chumi ang chuan hlawkna langsar tak tak hmuhchhuah thenkhat chu hetiang hi a ni.
| Chhawr tangkai | Hrilhfiahna awlsam tak |
|---|---|
| Mobility tihpun (NSAA Score) 1.1. | Naupangte chet dan tehna test, North Star Ambulatory Assessment (NSAA)-ah chuan Elevidys ei naupangte hian damdawi ei lo naupangte aiin a vaiin point 2 velin an hmu sang zawk a ni. Chumi awmzia chu nitin hna an thawh theihna a lo tha chho deuh tihna a ni. |
| Muscle-ah dystrophin a pung | Research-ah hian naupangte taksa ruh tlemte lak a, an enfiah (biopsy) chuan Elevidys dawngtu naupangte taksa ruh cell-a dystrophin protein awm zat chu nasa takin a pung a ni. |
| Thiltih chakna tihpun | Mual atanga tho chhuak a, metre 10 tlan a, stairs 4 chhoh hun chhung tehnaah chuan Elevidys dawng naupangte chuan heng hnate hi tlem chuan an ti rang zawk thei a ni. |
Mahse hei hi hre reng ang che. Naupang zawng zawng hian result inang an hmu vek dawn lo. Nang leh i doctor chuan a result chu in sawiho dun tur a ni a, chu chuan enkawlna a hlawhtlin dan tur chu i hre thei ang.
Hetiang enkawlna hi pek loh tur a awm em?
Ni e, a dik tak zet. DMD nei naupang zawng zawng hi he damdawi hi pek theih vek an ni lo. Elevidys enkawlna pek loh tur special case thenkhat a awm bawk.
- Genetic defects bik: Naupang DMD thlentu gene-a defects bik thenkhat (entir nan , deletions in exon 8 or exon 9 ) nei te chu he enkawlna hi pek an ni lo. Hei hi enkawl hmaa genetic test hmanga hriat theih a ni.
- Antibody level sang zawk: 1.1.Elevidys hi a kengtu virus (AAVrh74 vector) laka antibody sang tak nei naupangte hnenah pek loh tur a ni. Hei hi a chhan chu chu antibodies te chuan damdawi chu taksa ruh a thlen dik loh nan a veng thei a, side effect na tak a thlen thei bawk. Hei hi thisen test hmanga hriat lawk theih a ni bawk.
- Active Infection: Naupangin enkawl tan tirh laia khawsik, khawsik, khuh, pum na ang chi natna a neih chuan a dam kim hma loh chuan enkawl tan a ni lovang.
Side effects leh engtin nge kan enkawl ang?
Damdawi dang ang bawkin Elevidys hian side effect a nei thei a ni. Side effects awm tam ber chu luak chhuak leh luak chhuak hi a ni . Hengte hi kar hmasa lamah a thleng tlangpui. I fa hian heng symptoms te hi a neih chuan doctor hnenah hrilh rawh. I luak chhuahna tur damdawi an pe ang che. Tin, tui tlakchham loh nan tui tam tak in a pawimawh bawk.
Tin, side effect dang awm thei leh a symptom te hriat a tha.
| Side effect a awm thei | Features ngaihven tur a awm |
|---|---|
| Khawsik | Khawsik hi infection chhinchhiahna a ni thei a, chuvangin khawsik i neih chuan i doctor hnenah hriattir tur a ni. |
| Thisen platelet zat hniam (Thrombocytopenia) 1.1. | Platelets hian thisen i chhuah hian thisen a tikhawlo thei a ni. Hengte hi a hniam a nih chuan .
|
| Liver-a nghawng a neih dan | Mit emaw vun emaw var a rawn sen chuan liver problem chhinchhiahna a ni thei. I doctor chuan thisen test (LFT) hmangin hei hi a enfiah fo ang. |
| Thinlung chunga nghawng a neih dan | I rilru natna emaw, thawk harsa emaw i neih chuan thinlung ruh natna (inflammation of heart muscle) chhinchhiahna a ni thei. Doctor hnenah hrilh nghal rawh. |
A pawimawh ber chu i doctor nena inbiak pawh hi a ni a, symptom danglam nia i hriat engmah hreh lova inbiakna neih hi a ni.
Enkawl hma leh enkawl hnuah eng test nge tih tur?
Ni e, hei hi enkawlna buaithlak tak a nih avangin naupang hriselna dinhmun hriatthiamna tha zawk neih theih nan test engemaw zat an ti thin.
- Gene tests: Naupang ngei pawhin DMD a nei em tih leh Elevidys hi a tling lo thei lo tur genetic defect a awm em tih finfiah rawh.
- Antibody test: A hmaa kan sawi tawh AAVrh74 virus laka antibody level enfiah thin ang che.
- Complete blood count (CBC): Infection emaw thisen lama thil danglam dang emaw a awm leh awm loh enfiah thin ang che.
- Liver function test (LFT): Enkawl hma leh enkawl hnuah liver hriselna enfiah thin.
- Heart muscle health (Troponin test): Thinlung hi a nghawng tawh em tih zawng chhuak rawh.
- Thisen platelet level: Enkawl hnua thisen platelet level tlahniam leh awm loh enfiah thin.
Heng test zawng zawng hi naupang himna tur a famkima hriat chian nan tih vek a ni.
Take-Home Thuchah a ni
- Elevidys hi Duchenne Muscular Dystrophy (DMD) tan chuan dam chhunga vawi khat gene therapy hman thin a ni. Natna damdawi a ni lo a, mahse taksa chak lohna rate tihziaawmna tur beiseina a pe a ni.
- Taksain dystrophin protein , a tawi zawk, a thawk thei tur siam chhuahnaah a pui a ni.
- He enkawlna hi DMD vei naupang zawng zawng tan a tha lo . Eligibility hriat chian nan genetic test leh thisen test bik a ngai a ni.
- He enkawlna hi damdawi inah thisen zam chhunga injection angin pek a ni a, damdawi lam enkawlna hnuaiah pek a ni .
- Side effects, luak leh luak chhuak te pawh a awm thei. Tin, thisen platelet tlahniam ang chi natna khirh tak tak pawh i hriat a ngai bawk. Harsatna a awm chuan doctor hnenah hrilh nghal tur a ni.
- Hei hi enkawlna buaithlak leh thar tak a nih avangin i fa doctor nen a chipchiar zawng zawng sawipui la, hrilhfiah tir ngei ang che.
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