

Health Library
October 10, 2025
Question on this topic? Get an instant answer from August.
I-Afamelanotide iyihomoni eyenziwe ngendlela yokwenziwa esiza umzimba wakho ukuthi ukhiqize i-melanin eningi, umbala wemvelo onika isikhumba sakho umbala waso futhi usivikele emonakalweni welanga. Lo muthi uza njengento encane efakwa ngaphansi kwesikhumba sakho ngumhlinzeki wezempilo, lapho ikhipha kancane umuthi ezinyangeni eziningana.
Ungase uzibuze ngalokhu kwelashwa uma wena noma othile omaziyo etholiwe ukuthi unesimo esingavamile esibizwa nge-erythropoietic protoporphyria (EPP). Lo muthi umelela ukuqanjwa okukhulu kubantu abaye baphila ngokuzwela okukhulu elangeni, ubahlinzeka ithuba lokuchitha isikhathi esiningi ngaphandle ngokuphepha.
I-Afamelanotide ivunyelwe ngokuqondile ukusiza abantu abadala abane-erythropoietic protoporphyria (EPP), isimo esingavamile sezakhi zofuzo esenza isikhumba sakho sizwele kakhulu elangeni. Abantu abane-EPP bavame ukuzwa ubuhlungu obukhulu obuvuthayo, ukuvuvukala, kanye nomonakalo esikhumbeni ngisho nangemva kokuchayeka elangeni okufushane okungeke kubakhathaze abantu abaningi.
Lo muthi usebenza ngokukhulisa ukukhiqizwa komzimba wakho wemvelo we-melanin, osebenza njengesivikeli selanga sangaphakathi. Cabanga nge-melanin njengesistimu yokuzivikela yesikhumba sakho eyakhelwe ngaphakathi esiza ukumunca nokusakaza imisebe ye-UV eyingozi ngaphambi kokuthi ilimaze.
Kwamanye amazwe, odokotela bangase futhi banikeze i-afamelanotide kwezinye izimo ezingavamile ezizwela ekukhanyeni, kodwa i-EPP ihlala iyona esetshenziswa kakhulu futhi efundwe kahle. Ukwelashwa bekushintsha impilo yabantu abaningi ababedingeka ukuthi bagweme imisebenzi yangaphandle ngokuphelele.
I-Afamelanotide ilingisa i-hormone yemvelo emzimbeni wakho ebizwa nge-alpha-melanocyte stimulating hormone (α-MSH). Le hormone itshela amaseli akhethekile esikhumbeni sakho abizwa ngokuthi ama-melanocytes ukuthi akhiqize i-melanin eningi, umbala onika isikhumba sakho umbala waso nezakhiwo zokuzivikela.
Umuthi uthathwa njengonamandla ngokulinganiselwe, okusho ukuthi udala izinguquko eziphawulekayo ekubukekeni kwesikhumba sakho kanye nokubekezelelana kwelanga ngokuhamba kwesikhathi. Cishe uzoqaphela ukuthi isikhumba sakho siba mnyama kancane kancane njengoba umzimba wakho ukhiqiza i-melanin eningi njengempendulo yokwelashwa.
I-implant ikhipha umuthi kancane kancane futhi ngokuqhubekayo cishe izinyanga ezimbili, inike isikhumba sakho isikhathi sokwakha izivikelo zaso zemvelo. Le nqubo kancane kancane isiza ukuqinisekisa ukuthi imiphumela iphephile futhi iyaqhubeka ngesikhathi sokwelashwa.
I-Afamelanotide iza njenge-implant encane ezobekwa ngumhlinzeki wakho wezempilo ngaphansi kwesikhumba sengalo yakho engenhla, ithanga, noma isisu. Awukwazi ukuthatha lo muthi ngomlomo noma ukuzijova ekhaya.
Inqubo yokufakelwa yenziwa ehhovisi likadokotela wakho futhi ithatha imizuzu embalwa nje. Udokotela wakho uzohlanza indawo, ayithulise ngomuthi wokubulala izinzwa wendawo, enze ukusikwa okuncane, bese efaka i-implant ngaphansi kwesikhumba sakho esebenzisa idivayisi ekhethekile ebizwa nge-trocar.
Ngokungafani nemithi yomlomo, akudingeki ukhathazeke ngokuthatha i-afamelanotide nokudla noma amanzi. Uma i-implant isikhona, isebenza ngokuqhubekayo ngaphandle kwanoma yisiphi isikhathi sansuku zonke ngakho. Indawo yokufaka ingase izizwe ithambile kancane usuku olulodwa noma ezimbili, okufana nokuthola umgomo.
Abantu abaningi bathola ama-afamelanotide implants njalo ezinyangeni ezimbili kuya kwezintathu, ngokuvamile ngaphambi nangesikhathi sezinkathi lapho belindele khona ukuchayeka elangeni okwengeziwe. Udokotela wakho uzokwenza isimiso esenziwe ngendlela oyifisayo esekelwe ezidingweni zakho ezithile nendawo ohlala kuyo.
Abantu abaningi baqala ukwelashwa ekuqaleni kwentwasahlobo ukulungisa isikhumba sabo imisebenzi yasehlobo. Imiphumela ye-implant ngayinye iyaphela kancane kancane ngokuhamba kwesikhathi, ngakho ukwelashwa okuqhubekayo kubalulekile ekugcineni ukuvikelwa ngesikhathi sezinkathi zakho zangaphandle ezisebenzayo.
Udktela wakho uzoqapha ukuthi usabela kanjani emithini futhi angase alungise isikhathi ngokuya ngokuthi ukubekezelela kahle kangakanani ukukhanya kwelanga nokuthi ngabe unayo yini imiphumela emibi. Abanye abantu bangase badinge ukwelashwa unyaka wonke uma behlala ezindaweni ezinelanga noma benokuzwela okukhulu ekukhanyeni.
Njengayo yonke imithi, i-afamelanotide ingabangela imiphumela emibi, nakuba iningi labantu liyibekezelela kahle. Imiphumela emibi evame kakhulu ivame ukuba mncane futhi yesikhashana.
Nansi imiphumela emibi ongase uyithole, iqala ngaleyo evame kakhulu:
Le miphumela emibi ejwayelekile ngokuvamile ithuthuka phakathi nezinsuku ezimbalwa kuya evikini elilodwa ngemuva kokufakelwa ngakunye. Abantu abaningi bayithola ilawuleka futhi ifanele izinzuzo zokwanda kokubekezelela ilanga.
Nakuba kungavamile, abanye abantu bangase babe nemiphumela emibi engathi sína edinga ukunakekelwa kwezokwelapha:
Xhumana nomhlinzeki wakho wezempilo ngokushesha uma uhlangabezana nanoma yiziphi zalezi zinkinga ezingathi sína. Bangasiza ukuthola ukuthi ngabe izimpawu zihlobene yini nokwelashwa kwakho nokuthi yiziphi izinyathelo okufanele zithathwe ngokulandelayo.
I-Afamelanotide ayifanele wonke umuntu, futhi udokotela wakho uzobuyekeza ngokucophelela umlando wakho wezokwelapha ngaphambi kokuncoma lokhu kwelashwa. Izici eziningana zingase zenze lo muthi ungafaneleki kuwe.
Akufanele uthole i-afamelanotide uma unezimo ezilandelayo:
Udaktela wakho uzophinda aqaphele kakhulu uma unezinye izimo ezithile ezidinga ukuqashwa okukhethekile:
Ukwethembeka nomhlinzeki wakho wezempilo ngomlando wakho wezokwelapha ophelele kusiza ukuqinisekisa ukuthi i-afamelanotide iphephile futhi iyasebenza esimweni sakho esithile.
I-Afamelanotide ithengiswa ngaphansi kwegama lomkhiqizo elithi Scenesse emazweni amaningi lapho itholakala khona. Leli yigama eliyinhloko lomkhiqizo ozohlangana nalo lapho uxoxa ngalo mithi nomhlinzeki wakho wezempilo noma usokhemisi.
Kwezinye izifunda, ungase futhi uyibone ibizwa ngegama layo lamakhemikhali, [Nle4-D-Phe7]-α-MSH, nakuba leli gama lobuchwepheshe lisetshenziswa kakhulu ezindaweni zocwaningo. Abahlinzeki bezempilo abaningi neziguli bamane bayibize ngokuthi i-afamelanotide noma i-Scenesse.
Umuthi ukhiqizwa yi-Clinuvel Pharmaceuticals, futhi ukutholakala kuyahlukahluka ngokuya ngezwe ngokuya ngokugunyazwa kwendawo. Udokotela wakho angakusiza ukuthi uqonde ukuthi ngabe lo muthi uyatholakala endaweni yakho nokuthi ungafinyelela kanjani kuwo.
Njengamanje, awekho eminye imithi esebenza ngqo njenge-afamelanotide yokwelapha i-EPP. Kodwa-ke, abantu abanalesi simo banezinye izindlela zokuphatha ezingasiza ukunciphisa ukuzwela elangeni futhi zithuthukise izinga lempilo.
Nazi ezinye izindlela eziyinhloko udokotela wakho angaxoxa ngazo nawe:
Abantu abaningi abane-EPP bathola ukuthi ukuhlanganisa i-afamelanotide nalezi ezinye izindlela zokuvikela kubanika imiphumela engcono kakhulu. Udokotela wakho angakusiza ukuthi udale uhlelo olubanzi olusebenzayo ngendlela yakho yokuphila nezidingo zakho.
I-Afamelanotide ngokuvamile ithathwa njengese-benza kangcono kune-beta-carotene ekuphatheni izimpawu ze-EPP, nakuba zombili izindlela zokwelapha zingaba nendima ohlelweni lwakho lokunakekelwa. Izifundo zomtholampilo zibonise ukuthi i-afamelanotide inikeza ukuvikeleka okungcono ebuhlungwini obuhlobene nelanga futhi ivumela abantu ukuthi bachithe isikhathi esiningi ngaphandle ngokuphepha.
I-Beta-carotene isetshenziswe amashumi eminyaka ukusiza abantu abane-EPP, kodwa inemingcele ethile. Ingenza isikhumba sakho sibe mthunzi owolintshi-ophuzi ngokusebenzisa isikhathi eside, futhi imiphumela yokuvikela ngokuvamile ithambile kune-afamelanotide.
Inzuzo enkulu ye-beta-carotene ukuthi ithathwa njengesithasiselo somlomo, ngakho-ke asikho isidingo sezinqubo zokufakelwa. Kodwa-ke, abantu abaningi bathola ukuthi ukuvikeleka okungcono okunikezwa yi-afamelanotide kwenza inqubo yokufakelwa ifaneleke.
Abanye odokotela batusa ukusebenzisa zombili izindlela zokwelapha kanyekanye, ikakhulukazi ngezikhathi zokuchayeka elangeni eliningi. Umhlinzeki wakho wokunakekelwa kwezempilo angakusiza ukuthi ulinganise izinzuzo kanye nobubi benketho ngayinye ngokuya ngesimo sakho nezintandokazi zakho.
I-Afamelanotide ibonakala iphephile ngokujwayelekile kubantu abanezifo zenhliziyo, njengoba ingawathinti kakhulu umfutho wegazi noma isigqi senhliziyo kubantu abaningi. Kodwa-ke, udokotela wakho wenhliziyo kanye nodokotela obeka i-afamelanotide kufanele bahlele ukunakekelwa kwakho ukuze baqinisekise ukuthi kufaneleka ngesimo sakho senhliziyo esithile.
Umuthi umuncwa kancane kusuka ekufakweni, okusho ukuthi mancane amathuba okuthi kubangele izinguquko ezingazelelwe ohlelweni lwakho lwe-cardiovascular uma kuqhathaniswa nemithi oyithatha ngomlomo. Noma kunjalo, kubalulekile ukusho noma yiziphi izinkinga zenhliziyo ngesikhathi sokubonisana kwakho ukuze udokotela wakho akwazi ukukuqapha ngendlela efanele.
Uma uqaphela ukuthi indawo yokufakelwa igazi, ukufakelwa kubonakala kuphuma, noma ngandlela thize ulilimaze le ndawo, xhumana nomhlinzeki wakho wokunakekelwa kwezempilo ngokushesha. Ungazami ukucindezela ukufakelwa emuva noma ukukususa wena.
Gcina indawo ihlanzekile futhi imbozwe nge-bandage enezinambuzane kuze kube yilapho ubona udokotela wakho. Ezimweni eziningi, ukufakelwa okulimele kuzodingeka kususwe futhi kufakwe esikhundleni salo ukuze kuqinisekiswe ukuthi uqhubeka nokuthola umthamo ofanele womuthi.
Uma ukufakelwa kuwela ngokuphelele, kulondoloze esitsheni esihlanzekile futhi ukuyise nazo emhlanganweni wakho. Udokotela wakho uzodinga ukukuhlola ukuze anqume ukuthi uthole umthamo ogcwele noma udinga okusha.
Njengoba i-afamelanotide inikezwa njengento efakwa ngumhlinzeki wakho wezempilo, awukwazi ukuthatha umthamo owuphuthelwe ekhaya njengoba ungathatha iphilisi. Uma uphuthelwa ukuqokwa kwakho okuhleliwe, xhumana nehhovisi likadokotela wakho ngokushesha ngangokunokwenzeka ukuze uhlele kabusha.
Isikhathi semithamo yakho sibalulekile ekugcineni ukuvikeleka okuqhubekayo, ikakhulukazi uma ulungiselela ukwanda kokuchayeka elangeni. Udokotela wakho angase adinge ukulungisa uhlelo lwakho lokwelashwa ngokuya ngokuthi usheshe kangakanani ukuqokwa kwakho.
Okwamanje, qhubeka usebenzisa ezinye izindlela zakho zokuvikela ilanga njenge-sunscreen, izingubo ezivikelayo, nokukhawulela imisebenzi yangaphandle ngamahora elanga aphezulu. Lezi zinyathelo zibaluleke nakakhulu uma uphakathi kokufakwa.
Ungayeka ukwelashwa nge-afamelanotide nganoma yisiphi isikhathi, nakuba kungcono ukuxoxa ngalesi sinqumo nomhlinzeki wakho wezempilo kuqala. Imiphumela yomuthi izophela kancane kancane ezinyangeni ezilandelayo njengoba ukufakwa kumuncwa futhi amazinga akho e-melanin abuyela ezingeni eliyisisekelo.
Abantu abaningi bakhetha ukuyeka ukwelashwa ngezinyanga zasebusika lapho ukuchayeka elangeni kuphansi ngokwemvelo, bese beqala kabusha entwasahlobo ukulungiselela imisebenzi yasehlobo. Abanye bangase banqume ukuyeka ukwelashwa unomphela uma behlangabezana nemiphumela emibi noma uma izimo zabo zempilo zishintsha.
Khumbula ukuthi ukuyeka ukwelashwa kusho ukuthi ukuvikeleka kwakho okuthuthukisiwe elangeni kuzoncipha ngokuhamba kwesikhathi. Kuzodingeka ubuyele ezinyathelweni eziqinile zokugwema ilanga namanye amaqhinga okuvikela ukuze uphathe izimpawu zakho ze-EPP ngokuphepha.
Kufanele ugweme ukuzivivinya okunzima nokubhukuda cishe amahora angu-24 kuya kwangu-48 ngemva kokuthola ukufakwa kwakho ukuze uvumele indawo yokufaka ukuba iphole kahle. Lokhu kusiza ekuvikeleni ukufakwa ekushintsheni isikhundla futhi kunciphisa ingozi yokutheleleka.
Ngemva kwezinsuku ezimbalwa zokuqala, ungabuyela emisebenzini yakho ejwayelekile, okuhlanganisa ukuzivocavoca nokubhukuda. I-implant yakhelwe ukuhlala endaweni ngesikhathi somsebenzi ojwayelekile womzimba, futhi ukusikwa okuncane kufanele kuphole ngokuphelele phakathi nesonto.
Uma uqaphela noma yikuphi ukuzwa okungajwayelekile kobuhlungu, ukuvuvukala, noma ukukhishwa endaweni ye-implant ngesikhathi noma ngemva kokuzivocavoca, xhumana nomhlinzeki wakho wezempilo. Lokhu kungaba yizimpawu zokuthi indawo ayipholi kahle noma ukuthi i-implant ishintshile.
6Mpeople
Get clear medical guidance
on symptoms, medications, and lab reports.