Lots of studies showed the combination therapy of perindopril, indapamide and amlodipine could increase BP lowering efficacy and the benefits of high-risk patients. To evaluate potential pharmacokinetic interaction, a simultaneous UPLC-MS/MS quantification method of perindopril, perindoprilat and indapamide in human plasma was developed and validated. The plasma samples were prepared by solid phase extraction, and then separated on an X-terra MS C (2.1 mm × 150 mm, 3.5 μm) with isocratic elution. The ion transitions at m/z 369.165 → 172.000 (perindopril), m/z 341.146 → 170.112 (perindoprilat), m/z 366.010 → 132.100 (indapamide), m/z 389.120 → 206.200 (S10211-1, IS1) and m/z 394.080 → 160.200 (S1641, IS2) were monitored under the positive ion mode of electrospray ionization with multiple reaction monitoring. This method exhibited great sensitivity, linearity, accuracy, and precision for the determination of perindopril, perindoprilat and indapamide over the range of 0.250-50.0 ng/mL. The average extraction recovery of perindopril, perindoprilat and indapamide samples at low, medium, and high concentration levels were between 85.9% and 93.6%, respectively. The stability of analytes over different storage and processing conditions in the whole study was also validated. The method is fast, accurate, sensitive and reproducible, which is suitable for the detection of the concentration of perindopril, perindoprilat and indapamide in human plasma.
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Enhancing the practicality along with greenness sustainability of a high throughput HPLC-MS/MS bioanalytical method for the simultaneous determination of amlodipine, perindopril, and its active metabolite perindoprilat in human plasma: Application to a pharmacokinetic study.
J Chromatogr A
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Pharmaceutical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., Cairo 11562, Egypt. Electronic address:
Numerous studies have demonstrated the benefits of amlodipine and perindopril combination therapy in decreasing blood pressure and improving outcomes for high-risk patients. In order to assess the pharmacokinetics of the 2 drugs along with perindoprilat; the active metabolite of perindopril, a simultaneous LC-MS/MS quantification method of amlodipine (AML), perindopril (PER) and perindoprilat (LAT) in human plasma has been developed and validated using amlodipine D4, perindopril D4 and perindoprilat D4 as internal standards (ISs), respectively. A simple and fast protein precipitation method was used to analyze the three analytes from KEDTA human plasma.
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