Nhận Dạng Quốc Tế & Đặc Tính Hóa Học
Monoisotopic mass
360.132136382
InChI
InChI=1S/C18H20N2O6/c1-5-26-18(22)15-11(3)19-10(2)14(17(21)25-4)16(15)12-7-6-8-13(9-12)20(23)24/h6-9,16,19H,5H2,1-4H3
InChI Key
InChIKey=PVHUJELLJLJGLN-UHFFFAOYSA-N
IUPAC Name
3-ethyl 5-methyl 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
Traditional IUPAC Name
nitrendipine
SMILES
CCOC(=O)C1=C(C)NC(C)=C(C1C1=CC(=CC=C1)[N+]([O-])=O)C(=O)OC
pKa (Strongest Basic)
5.43
Refractivity
96.91 m3·mol-1
Dược Lực Học :
Nitrendipine, a dihydropyridine calcium-channel blocker, is used alone or with an angiotensin-converting enzyme inhibitor, to treat hypertension, chronic stable angina pectoris, and Prinzmetal's variant angina. Nitrendipine is similar to other peripheral vasodilators. Nitrendipine inhibits the influx of extra cellular calcium across the myocardial and vascular smooth muscle cell membranes possibly by deforming the channel, inhibiting ion-control gating mechanisms, and/or interfering with the release of calcium from the sarcoplasmic reticulum. The decrease in intracellular calcium inhibits the contractile processes of the myocardial smooth muscle cells, causing dilation of the coronary and systemic arteries, increased oxygen delivery to the myocardial tissue, decreased total peripheral resistance, decreased systemic blood pressure, and decreased afterload.
Cơ Chế Tác Dụng :
A calcium channel blocker with marked vasodilator action. It is an effective antihypertensive agent and differs from other calcium channel blockers in that it does not reduce glomerular filtration rate and is mildly natriuretic, rather than sodium retentive. [PubChem]
By deforming the channel, inhibiting ion-control gating mechanisms, and/or interfering with the release of calcium from the sarcoplasmic reticulum, Nitrendipine inhibits the influx of extracellular calcium across the myocardial and vascular smooth muscle cell membranes The decrease in intracellular calcium inhibits the contractile processes of the myocardial smooth muscle cells, causing dilation of the coronary and systemic arteries, increased oxygen delivery to the myocardial tissue, decreased total peripheral resistance, decreased systemic blood pressure, and decreased afterload.
Dược Động Học :
▧ Protein binding :
> 99%
Chỉ Định :
For the treatment of mild to moderate hypertension
Tương Tác Thuốc :
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Cimetidine
Cimetidine increases the effect of the calcium channel blocker, nitrendipine.
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Telithromycin
Telithromycin may reduce clearance of Nitrendipine. Consider alternate therapy or monitor for changes in the therapeutic/adverse effects of Nitrendipine if Telithromycin is initiated, discontinued or dose changed.
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Thiopental
The CYP3A4 inducer, Thiopental, may increase the metabolism and clearance of Nitrendipine, a CYP3A4 substrate. Monitor for changes in the therapeutic/adverse effects of Nitrendipine if Thiopental is initiated, discontinued or dose changed.
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Tipranavir
Tipranavir may decrease the metabolism and clearance of the calcium channel blocker, Nitrendipine. Monitor for changes in Nitrendipine therapeutic and adverse effects if Tipranavir is initiated, discontinued or dose changed.
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Treprostinil
Additive hypotensive effect. Monitor antihypertensive therapy during concomitant use.
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Voriconazole
Voriconazole, a strong CYP3A4 inhibitor, may increase the serum concentration of nitrendipine by decreasing its metabolism. Monitor for changes in the therapeutic and adverse effects of nitrendipine if voriconazole is initiated, discontinued or dose changed.
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