Rivaroxaban
abẹlẹ
Rivaroxaban, 5-chloro-N-[[(5S)-2-oxo-3-[4- (3-oxomorpholin-4-yl) phenyl]-1,3-oxazolidin-5-yl]methyl]thiophene-2 -carboxamide, jẹ oludaniloju kekere-molecule ti o lagbara ti ifosiwewe Xa ti o jẹ ifosiwewe coagulation ni akoko pataki kan ni ipa ọna iṣọn-ẹjẹ ti o mu ki ẹda ti thrombin ati iṣeto ti didi.Rivaroxaban sopọ mọ Tyr288 ninu apo S1 ti ifosiwewe Xa nipasẹ ibaraenisepo ti Tyr288 ati aropo chlorine ti nkan elo chlorothiophene.Idinamọ jẹ iyipada (koff = 5x10-3s-1), ni kiakia (kon = 1.7x107 mol / L-1 s-1), ati ni ọna ti o gbẹkẹle (Ki = 0.4 nmol / L).Rivaroxaban ti wa ni ikẹkọ lọwọlọwọ fun itọju VTE, idena ti awọn iṣẹlẹ inu ọkan ati ẹjẹ ni awọn alaisan ti o ni iṣọn-ẹjẹ iṣọn-alọ ọkan nla, idena ikọlu ni awọn alaisan ti o ni fibrillation atrial.
Itọkasi
Elisabeth Perzborn, Susanne Roehrig, Alexander Straub, Dagmar Kubitza, Wolfgang Mueck, ati Volker Laux.Rivaroxaban: ifosiwewe ẹnu tuntun Xa inhibitor.Arterioscler Thromb Vasc Biol 2010;30 (3): 376-381
Apejuwe
Rivaroxaban (BAY 59-7939) jẹ alagbara pupọ,yiyan ati taara Factor Xa (FXa) inhibitor, iyọrisi ere ti o lagbara ni agbara anti-FXa (IC50 0.7 nM; Ki 0.4 nM).
Ninu Vitro
Rivaroxaban (BAY 59-7939) jẹ ẹnu, taara Factor Xa (FXa) inhibitor ni idagbasoke fun idena ati itọju ti iṣọn-ẹjẹ ati iṣọn-ẹjẹ.Rivaroxaban ifigagbaga ni idinamọ FXa eniyan (Ki 0.4 nM) pẹlu> 10 000-ayan yiyan ti o tobi ju fun awọn proteases serine miiran;o tun ṣe idiwọ iṣẹ ṣiṣe prothrombinase (IC50 2.1 nM).Rivaroxaban ṣe idiwọ FXa endogenous diẹ sii ni agbara ninu eniyan ati pilasima ehoro (IC50 21 nM) ju pilasima eku (IC50 290 nM).O ṣe afihan awọn ipa anticoagulant ni pilasima eniyan, akoko prothrombin ilọpo meji (PT) ati mu akoko thromboplastin apakan ṣiṣẹ ni 0.23 ati 0.69μM, lẹsẹsẹ.
Rivaroxaban (BAY 59-7939) jẹ agbara ati yiyan, inhibitor FXa taara pẹlu o tayọ ni iṣẹ vivo ati bioavailability roba ti o dara.Rivaroxaban (BAY 59-7939), ti a nṣakoso nipasẹ iv bolus ṣaaju ifilọlẹ thrombus, dinku iṣelọpọ thrombus (ED50 0.1 mg/kg), ṣe idiwọ FXa, ati gigun iwọn lilo PT ni igbẹkẹle.PT ati FXa ni ipa diẹ ni ED50 (ilosoke 1.8-agbo ati 32% idinamọ, lẹsẹsẹ).Ni 0.3 miligiramu / kg (iwọn lilo ti o yori si idinamọ pipe ti iṣelọpọ thrombus), Rivaroxaban ni iwọntunwọnsi pẹ PT (3.2)±0.5-agbo) ati ṣe idiwọ iṣẹ ṣiṣe FXa (65±3%).
Ibi ipamọ
Lulú | -20°C | 3 odun |
4°C | ọdun meji 2 | |
Ni epo | -80°C | osu 6 |
-20°C | osu 1 |
Ilana kemikali
Igbero18Awọn iṣẹ akanṣe Igbelewọn Iṣeduro Didara eyiti o ti fọwọsi4, ati6ise agbese ni o wa labẹ alakosile.
Eto iṣakoso didara agbaye ti ilọsiwaju ti fi ipilẹ to lagbara fun tita.
Abojuto didara n ṣiṣẹ nipasẹ gbogbo igbesi aye ọja lati rii daju didara ati ipa itọju ailera.
Ẹgbẹ Aṣoju Iṣeduro Ọjọgbọn ṣe atilẹyin awọn ibeere didara lakoko ohun elo ati iforukọsilẹ.