| Magaca | Tadalafil |
| Lambarka CAS | 171596-29-5 |
| qaacidada molecular | C22H19N3O4 |
| Miisaanka molecular | 389.4 |
| Lambarka EINECS | 687-782-2 |
| Wareegid gaar ah | D20+71.0° |
| Cufnaanta | 1.51±0.1g/cm3(waa la saadaaliyay) |
| Xaaladda kaydinta | 2-8°C |
| Foomka | Budada |
| Isku-dhafka aysiidhka | (pKa) 16.68±0.40 (La saadaaliyay) |
| Biyuhu milma | DMSO: milmi kara 20mg/ml, |
TADAALAFIL; CIALIS; IC 351; (6R,12AR) -6- (benzo [d] [1,3] dioxol-5-yl) -2-methyl-2,3,12,12a-tetrahydropyrazino [1',2': 1,6] pyrido; GF 196960; ICOS 351; Tildenafil;
Tadalafil (Tadalafil, Tadalafil) waxay leedahay qaacido molecular oo ah C22H19N3O4 iyo miisaanka kelli ee 389.4. Waxaa si weyn loogu isticmaalay daawaynta kacsi la'aanta ragga tan iyo 2003, oo leh magaca ganacsiga Cialis (Cialis). Bishii Juun 2009, FDA waxay ogolaatay tadalafil ee Maraykanka si loogu daweeyo bukaanada qaba hypertension sambabada (PAH) ee hoos yimaada magaca ganacsiga Adcirca. Tadalafil waxaa lagu soo bandhigay 2003 sida daawo loogu talagalay daaweynta ED. Waxay qaadataa 30 daqiiqo ka dib maamulka, laakiin saamaynta ugu fiican waa 2h ka dib bilawga ficilka, saameyntu waxay socon kartaa 36h, saameynteedana ma saameynayso cuntada. Qiyaasta tadalafil waa 10 ama 20 mg, qiyaasta bilowga ah ee lagu taliyey waa 10 mg, qiyaasta waxaa lagu hagaajiyaa iyadoo loo eegayo jawaabta bukaanka iyo falcelinta xun. Daraasadaha suuq-geynta ka hor ayaa muujiyay in ka dib maamulka afka ee 10 ama 20 mg tadalafil ee toddobaadyada 12, heerarka waxtarka leh waa 67% iyo 81%, siday u kala horreeyaan. Daraasado badan ayaa muujiyay in tadalafil ay waxtar fiican u leedahay daaweynta ED.
Kacsiga Kacsiga: Tadalafil waa fosfodiesterase nooca 5 (PDE5) ee la xushay sida sildenafil, laakiin qaab-dhismeedkiisu wuu ka duwan yahay kan dambe, iyo cunto dufan badan leh ma faragelinayso nuugista. Marka la eego ficilka kicinta galmada, nitric oxide synthase (NOS) ee dareemaha dareemaha penile iyo unugyada xuubka xididada xididada ayaa kicinaya isku-darka nitric oxide (NO) ee substrate L-arginine. MAYA waxay kicisaa cyclase guanylate, taas oo u beddesha guanosine triphosphate cyclic guanosine monophosphate (cGMP), taas oo kicinaysa cyclic guanosine monophosphate-based protein kinase, taasoo keentay hoos u dhac ku yimaada fiirsashada calcium ions ee unugyada muruqa siman, taasoo keenta cavernosum corpus cavernosum kac wuxuu ku dhacaa nasashada muruqa siman. Nooca Fosfodiesterase 5 (PDE5) wuxuu hoos u dhigaa cGMP oo noqda alaab aan firfircoonayn, taasoo ka dhigaysa xubinta taranka xaalad daciif ah. Tadalafil waxay xakameysaa hoos u dhaca PDE5, taasoo horseedaysa uruurinta cGMP, taas oo dejisa muruqa siman ee cavernosum corpus, taasoo keenta kacsiga guska. Maadaama Nitrate-ku aanu ahayn deeq-bixiyeyaal, isticmaalka isku-dhafka ah ee tadalafil ayaa si weyn u kordhin doona heerka cGMP waxayna u horseedi doontaa hypotension daran. Sidaa darteed, isticmaalka isku dhafan ee labada ayaa ka soo horjeeda waxqabadka kiliinikada.
Tadalafil wuxuu u shaqeeyaa isagoo xakameynaya PDES. GMP wuu hoos u dhacay, markaa marka la isku daro isticmaalka Nitrate-yada waxay keeni kartaa hoos u dhac aad u weyn oo ku yimaada cadaadiska dhiigga waxayna kordhisaa halista isku-dhafka. CY3PA4 inducers waxay yareyn doontaa helitaanka bioavailability ee tadanafil, iyo isku dhafka rifampicin, cimetidine, erythromycin, clarithromycin, itracon, ketocon, iyo HVI protease inhibitors ayaa kordhin kara diiradda dhiigga daawada waa in la hagaajiyaa. Ilaa hadda, ma jiraan warar sheegaya in xuduudaha farmashiyaha ee alaabtan ay saameeyeen cuntada iyo khamriga.