latanoprost bụ ọgwụ a na-ejikarị na ophthalmology, nke a na-enyekarị maka ọgwụgwọ glaucoma mepere emepe na ọbara mgbali elu anya. Dịka analọg prostaglandin, latanoprost agbanweela njikwa glaucoma site n'inye nhọrọ dị irè na nke anabatara nke ọma maka ibelata nrụgide intraocular (IOP). Bọọgụ blọgụ a na-abanye n'ime usoro ọgwụ ọgwụ nke latanoprost, na-enyocha ihe ndị pụrụ iche ya na ụdị omume na anya.
Usoro ihe omume Latanoprost na-adọrọ mmasị ma dị mgbagwoju anya, gụnyere ọtụtụ usoro physiological n'ime anya. Na isi ya, latanoprost na-arụ ọrụ dị ka prostaglandin F2a analọgụ, na-elekwasị anya kpọmkwem na FP prostanoid receptor. Mkpakọrịta a na-ewepụta ọtụtụ ihe omume nke na-eduga n'ịba ụba ọchị ọchị na mbelata nrụgide intraocular.
Mgbe a na-etinye latanoprost n'elu anya, ọ na-abanye n'ime cornea ma na-agbanye ya n'ụdị ya na-arụ ọrụ, latanoprost acid. Metabolite a na-arụ ọrụ na-ejikọta ya na ndị na-anabata FP na akwara ciliary na trabecular meshwork. Njikọ ahụ na-amalite usoro mmeghachi omume biochemical nke na-eme ka a gbanwee matrix extracellular na akwara ciliary na ụzọ uveoscleral.
Otu n'ime isi mmetụta nke latanoprost ntụ ntụ bụ ikike ya ịbawanye njikọ nke matrix metalloproteinases (MMPs), ọkachasị MMP-1, MMP-2, na MMP-3. Enzymes ndị a na-arụ ọrụ dị mkpa n'ịkwatu collagen na ihe ndị ọzọ matrix extracellular. N'ihi nke a, oghere dị n'etiti ùkwù akwara ciliary na-agbasawanye, na-emepụta usoro nwere oghere karịa nke na-eme ka ọchị ọchị pụta.
Na mgbakwunye, latanoprost na-ebute mgbanwe n'ụdị na nha mkpụrụ ndụ akwara ciliary. Mgbanwe ọdịdị ọdịdị ọdịdị ahụ na-enye aka n'ịbawanye ihe nrụpụta uveoscleral. Ọgwụ ahụ na-emetụtakwa trabecular meshwork, na-eme ka ụzọ ọpụpụ na-apụ apụ ruo n'ókè ụfọdụ.
Ọ dị mkpa ịmara na n'adịghị ka ọgwụ glaucoma ndị ọzọ, latanoprost anaghị emetụta mmepụta ihe ọchị. Kama nke ahụ, mmetụta ya bụ isi bụ ịpụpụ, nke mere ka ọ dị iche na klas ndị ọzọ nke ọgwụ IOP na-eweda ala.
Usoro pụrụ iche nke latanoprost na-enye ọtụtụ uru. Nke mbụ, ọ na-enye mbelata na-adịgide adịgide na IOP, yana mmetụta na-adịgide ruo awa 24 mgbe otu ọgwụ gasịrị. Nke a na-enye ohere iji otu ugboro kwa ụbọchị, nke nwere ike melite nnabata onye ọrịa. Nke abuo, ilekwasị anya na ịkwalite mmụba karịa igbochi mmepụta mmiri pụtara na latanoprost nwere ike jikọta ya na ọgwụ glaucoma ndị ọzọ na-arụ ọrụ site na usoro dị iche iche, na-enye ohere maka mgbakwunye IOP-ebelata mmetụta mgbe ọ dị mkpa.
Ogologo oge mmetụta latanoprost na nrụgide intraocular bụ ihe dị mkpa maka ma ndị ọrịa na ndị dọkịta. Ịghọta mmalite na oge ihe omume na-enyere aka n'ịchịkwa atụmanya na ịkwalite usoro ọgwụgwọ.
Mgbe ole latanoprost ntụ ntụ A na-enye ya nke mbụ, ọ naghị ebute ọdịda dị egwu ozugbo na IOP. Kama nke ahụ, mmetụta ya na-amalite nwayọọ nwayọọ ka oge na-aga. Dịka, enwere ike ịhụ mbelata nke IOP n'ime awa 3-4 ka ọgwụ mbụ gasịrị. Agbanyeghị, a naghị enweta mmetụta IOP zuru oke nke latanoprost ozugbo.
Nnyocha egosiwo na a na-enwetakarị mbelata IOP kacha elu mgbe izu 3-5 gachara nke ọma kwa ụbọchị. N'ime oge mbụ a, anya na-enweta mgbanwe nhazi nke latanoprost kpatara, gụnyere ngbanwe nke matrix extracellular na mgbanwe na ụzọ ọpụpụ uveoscleral. Ka mgbanwe ndị a na-aga n'ihu, mmetụta ibelata IOP na-apụtawanye ìhè.
Ozugbo emepụtara mmetụta zuru oke, latanoprost na-enye mbelata IOP kwụsiri ike na ogologo oge. Otu dose kwa ụbọchị nwere ike idowe IOP dị ala ruo awa 24, ya mere a na-edekarị ya maka iji mgbede otu ugboro kwa ụbọchị. Ogologo oge a na-eme ihe bụ otu n'ime uru bụ isi nke latanoprost karịa ụfọdụ ọgwụ glaucoma ndị ọzọ na-achọ ka a na-eme ya ugboro ugboro.
Ọ dị mma ịmara na nzaghachi onye ọ bụla na latanoprost nwere ike ịdị iche. Ụfọdụ ndị ọrịa nwere ike nweta mmalite ngwa ngwa karịa, ebe ndị ọzọ nwere ike iwepụta ntakịrị ogologo oge iji rute nsonaazụ kacha. Ihe ndị dị ka ntọala IOP, ịdị njọ nke glaucoma, na ndịiche physiological nke onye ọ bụla nwere ike imetụta oge nzaghachi.
Ndị dọkịta na-ahazikarị oge nleba anya izu ole na ole ka ha malitechara ọgwụgwọ latanoprost iji chọpụta ịdị irè ya. Ọ bụrụ na mbelata IOP ezughị ezu mgbe izu 6-8 gachara ọgwụgwọ, ha nwere ike ịtụle ịhazigharị usoro ọgwụgwọ ahụ, nke nwere ike ịgụnye ịbawanye dose ahụ, ịgbakwunye ọgwụ ọzọ, ma ọ bụ ịchọpụta nhọrọ ndị ọzọ.
Mwepụta nke nta nke nta nke mmetụta zuru oke nke latanoprost na-emesi mkpa ọ dị n'ịkụzi onye ọrịa na nrube isi. Ekwesịrị ịgwa ndị ọrịa na ha nwere ike ọ gaghị achọpụta mgbanwe ozugbo na mgbaàmà ha ma ọ bụ ọgụgụ IOP, na iji ya na-eme ihe kwa ụbọchị dị oke mkpa maka inweta na idowe mmetụta ọgwụgwọ achọrọ.
Ajụjụ ma latanoprost ntụ ntụ enwere ike iji mee ka ntanye anya bụ ihe na-adọrọ adọrọ, karịsịa nyere mmasị n'ịgbakọta ọgwụ na ọgwụ ahaziri onwe ya. Ọ bụ ezie na a na-ekesa latanoprost dị ka ihe ngwọta anya nke emepụtara tupu oge eruo, enwere ọnọdụ ebe enwere ike ịtụle nchịkọta sitere na uzuzu.
Latanoprost ntụ ntụ bụ n'ezie akụrụngwa sitere na ya na-esi na ya na-emepụta mmiri latanoprost azụmahịa. Otú ọ dị, usoro nke ịmepụta ngwọta ophthalmic dị mma ma dị irè site na ntụ ntụ dị mgbagwoju anya ma na-achọ ihe ọmụma na akụrụngwa pụrụ iche.
A ghaghị ịtụle ọtụtụ ihe mgbe ị na-eche echiche iji latanoprost ntụ ntụ maka nkwadebe dobe anya:
1. Ihe mgbagwoju anya nhazi: Latanoprost bụ nke ukwuu lipophilic na emezighị soluble na mmiri. Usoro azụmahịa na-eji ihe pụrụ iche na usoro dị iche iche iji hụ na nkwụsi ike na nkwụsi ike kwesịrị ekwesị. Ịmepụta ihe ngwọta kwụsiri ike nke na-ejigide ịdị irè ọgwụ ahụ bụ ihe ịma aka na-enweghị ịnweta akụrụngwa na nka nke ọgwụ.
2. Ntinye uche ziri ezi: A na-eji Latanoprost mee ihe na oke dị ala (nke na-abụkarị 0.005%). Ịtụ n'ụzọ ziri ezi na itughari ntụ ntụ iji nweta ntinye ziri ezi dị oke mkpa ma na-achọ ngwa nyocha kpọmkwem.
3. Ndozi pH: A na-ejikwa nlezianya na-achịkwa pH nke latanoprost anya iji hụ na ndakọrịta anya na nkwụsi ike ọgwụ. Ị nweta na idobe pH ziri ezi na nkwadebe gbakọtara nwere ike isi ike.
4. Sterility: Nkwadebe anya ga-abụ nke na-adịghị mma iji gbochie ọrịa anya. Ịhụ na ịmụ nwa na ngwaahịa agwakọta chọrọ akụrụngwa na usoro pụrụ iche nwere ike ọgaghị adị na mpụga ntọala nrụpụta ọgwụ.
5. Nkwụsi ike: Latanoprost na-enwe mmetụta maka ọkụ na okpomọkụ. Emebere usoro azụmaahịa iji kwado nkwụsi ike n'okpuru ọnọdụ nchekwa akọwapụtara. Ngwakọta akwadoro nwere ike ọ gaghị enwe otu profaịlụ kwụsie ike, nke nwere ike ibute mbelata nrụpụta ma ọ bụ ngwaahịa na-emebi emebi.
6. Nkwekọrịta na-achịkwa: Ojiji nke ọgwụ ndị na-ejikọta ọnụ na-adabere na nlekọta nchịkwa. N'ọtụtụ mpaghara, enwere iwu siri ike na-achịkwa nchikota nke nkwadebe anya, ọkachasị maka ọgwụ dị ka latanoprost nwere ụzọ ọzọ dị na azụmaahịa.
Nyere ndị a echiche, kpọmkwem ojiji nke latanoprost ntụ ntụ A naghị atụ aro ime ka anya mmiri na-agbada n'èzí nke ụlọ nrụpụta ọgwụ kwadoro nke ọma. Maka ndị ọrịa na ndị na-ahụ maka ahụike, nhọrọ kachasị dị nchebe na ntụkwasị obi bụ iji ọgwụ anya latanoprost akwadoro azụmaahịa nke nwetarala njikwa mma siri ike yana usoro nnabata iwu.
Agbanyeghị, enwere ọnọdụ ebe enwere ike ịtụle ngwakọta ọgwụ nke latanoprost. Dịka ọmụmaatụ, n'ọnọdụ ụkọ ọgwụ ma ọ bụ mgbe ndị ọrịa chọrọ usoro na-abụghị nke azụmahịa (dị ka ụdị enweghị nchekwa), enwere ike inye ikike ụlọ ahịa ọgwụ na-emekọ ihe pụrụ iche iji dozie ọdịda anya latanoprost n'okpuru ọnọdụ a na-achịkwa nke ọma.
N'ikpeazụ, mgbe latanoprost ntụ ntụ bụ ihe mmalite maka mmepụta dobe anya, ojiji ya kwesịrị ka amachibidoro nke ọma na ụlọ ọgwụ edoziziri nke ọma. Ndị ọrịa na ndị na-ahụ maka ahụike kwesịrị ịdabere n'ahịa dịnụ, usoro latanoprost nke FDA kwadoro iji hụ na nchekwa, nrụpụta ọrụ na nkwụsi ike na ọgwụgwọ glaucoma.
Ọ bụrụ na ị nwekwara mmasị na ngwaahịa a ma chọọ ịmatakwu nkọwa ngwaahịa, ma ọ bụ chọọ ịmata maka ngwaahịa ndị ọzọ metụtara, biko nweere onwe gị ịkpọtụrụ. iceyqiang@aliyun.com..
References
1. Digiuni, M., Fogagnolo, P., & Rossetti, L. (2012). Nyochaa ojiji nke latanoprost maka glaucoma kemgbe mmalite ya. Echiche ndị ọkachamara na ọgwụ ọgwụ, 13 (5), 723-745.
2. Lindén, C., & Alm, A. (1999). Prostaglandin analogues na ọgwụgwọ glaucoma. Ọgwụ na ịka nká, 14 (5), 387-398.
3. Toris, CB, Gabelt, BT, & Kaufman, PL (2008). Mmelite na usoro omume nke prostaglandins dị n'elu maka mbelata nrụgide intraocular. Nnyocha nke Ophthalmology, 53(6), S107-S120.
4. Stjernschantz, JW (2001). Site na PGF2a-isopropyl ester ruo latanoprost: nyochaa mmepe nke xalatan. Nyocha Ophthalmology & Sayensị Anya, 42 (6), 1134-1145.
5. Alm, A. (2014). Latanoprost na ọgwụgwọ glaucoma. Clinical Ophthalmology (Auckland, NZ), 8, 1967-1985.
6. Garway-Heath, DF, Crabb, DP, Bunce, C., Lascaratos, G., Amalfitano, F., Anand, N., ... & Zeyen, TG (2015). Latanoprost maka glaucoma mepere emepe (UKGTS): nnwale a na-achịkwaghị achịkwa, ọtụtụ ebe, ebe a na-achịkwa ebebo. Lancet, 385 (9975), 1295-1304.
7. Easty, DL, Nemeth-Wasmer, G., Vounatsos, JP, Girard, B., Besnainou, N., Pouliquen, P., ... & Rouland, JF (2006). Ntụle nke gel anya 0.1% T-Gel na-echekwaghị (otu dose unit) yana 0.1% T-Gel eye gel (multidose) echekwara na ọbara mgbali anya na ndị ọrịa glaucomatous. Akwụkwọ akụkọ Britain nke Ophthalmology, 90(5), 574-578.
8. Ghate, D., & Edelhauser, HF (2008). Ihe mgbochi na nnyefe ọgwụ glaucoma. Akwụkwọ akụkọ Glaucoma, 17 (2), 147-156.
9. Weinreb, RN, Ong, T., Scassellati Sforzolini, B., Vittitow, JL, Singh, K., & Kaufman, PL (2015). Ntụle a na-achịkwaghị achịkwa nke latanoprostene bunod na latanoprost 0.005% na ọgwụgwọ ọbara mgbali anya na glaucoma mepere emepe: ọmụmụ VOYAGER. Akwụkwọ akụkọ Britain nke Ophthalmology, 99 (6), 738-745.
10. Konstas, AG, Quaranta, L., Katsanos, A., Riva, I., Tsai, JC, Giannopoulos, T., ... & Stewart, WC (2013). Ịrụ ọrụ awa iri abụọ na anọ yana tafluprost na-echekwa ihe n'efu ma e jiri ya tụnyere latanoprost na ndị ọrịa nwere glaucoma isi mepere emepe ma ọ bụ ọbara mgbali anya. Akwụkwọ akụkọ Britain nke Ophthalmology, 97 (12), 1510-1515.