<P><B>Background</B></P><P>A fixed-dose combination (FDC) of amlodipine and losartan has been used to reduce blood pressure in patients whose hypertension is not sufficiently controlled with either drug alone. The aim of ...
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https://www.riss.kr/link?id=A107643766
2016
-
SCOPUS,SCIE
학술저널
3021-3028(8쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P><B>Background</B></P><P>A fixed-dose combination (FDC) of amlodipine and losartan has been used to reduce blood pressure in patients whose hypertension is not sufficiently controlled with either drug alone. The aim of ...
<P><B>Background</B></P><P>A fixed-dose combination (FDC) of amlodipine and losartan has been used to reduce blood pressure in patients whose hypertension is not sufficiently controlled with either drug alone. The aim of this study was to evaluate the pharmacokinetic (PK) characteristics and tolerability of an FDC of 6.94 mg amlodipine besylate (5 mg as amlodipine)/50 mg losartan potassium compared to an FDC of 5 mg amlodipine camsylate/50 mg losartan potassium in healthy subjects.</P><P><B>Subjects and methods</B></P><P>A randomized, open-label, single-dose, two-period, two-sequence crossover study was conducted on 46 healthy male subjects. Blood concentrations were measured by liquid chromatography–tandem mass spectrometry. Blood samples were collected up to 144 hours post dose for each period. PK parameters were calculated in each treatment group using a noncompartmental method. The 90% confidence intervals (CIs) of the geometric mean ratios of the two treatments for the maximum plasma concentration (<I>C</I><SUB>max</SUB>) and the area under the concentration curve from time zero to the last quantifiable time point (AUC<SUB>0–t</SUB>) were estimated. Tolerability assessments were performed for all subjects who received the drug at least once.</P><P><B>Results</B></P><P>The PK profiles of the two treatments were similar. For amlodipine, the geometric mean ratios (90% CIs) of amlodipine besylate to amlodipine camsylate for the <I>C</I><SUB>max</SUB> and AUC<SUB>0–t</SUB> were 0.98 (0.94−1.01) and 0.97 (0.93−1.01), respectively. The corresponding values for losartan were 0.91 (0.81−1.02) and 1.05 (0.98−1.12), respectively. The incidence of adverse events was not significantly different between the two treatments, and both were well tolerated.</P><P><B>Conclusion</B></P><P>An FDC of 6.94 mg amlodipine besylate (5 mg as amlodipine)/50 mg losartan potassium produced similar results to an FDC of 5 mg amlodipine camsylate/50 mg losartan potassium treatment with respect to the PK parameters of amlodipine and losartan based on <I>C</I><SUB>max</SUB> and AUC<SUB>0–t</SUB> values. The amlodipine besylate/losartan potassium combination was well tolerated by healthy male subjects.</P>
Comparison of oral absorption models for pregabalin: usefulness of transit compartment model