title: Simultaneous determination of domperidone and Itopride in pharmaceuticals and human plasma using RP-HPLC/UV detection: Method development, validation and application of the method in in-vivo evaluation of fast dispersible tablets.
abstract: Domperidone and Itopride are pro-kinetic agents, regulating the gastric motility and are commonly prescribed as anti emetic drugs. In the present study a simple, rapid and sensitive RP-HPLC/UV method was developed for simultaneous determination of Domperidone and Itopride in pharmaceutical samples and human plasma, using Tenofavir as internal standard. Experimental conditions were optimized and method was validated according to the standard guidelines. Combination of water (pH 3.0) and acetonitrile (65:35 v/v) was used as mobile phase, pumped at the flow rate of 1.5 ml/min. Detector wavelength was set at 210 nm and column oven temperature was 40oC. Unlike conventional liquid-liquid extraction, simple precipitation technique was applied for drug extraction from human plasma using acetonitrile for deprotienation. The method showed adequate separation of both the analytes and best resolution was achieved using Hypersil BDS C8 column (150 mm × 4.6 mm, 5 μm). The method was quite linear in the range of 20-600 ng/ml. Recovery of the method was 92.31% and 89.82% for Domperidone and Itopride, respectively. Retention time of both the analytes and internal standard was below 15 min. The lower limit of detection (LLOD) and lower limit of quantification (LLOQ) for Domperidone were 5 and 10 ng/ml while for Itopride was 12 and 15 ng/ml, respectively. The developed method was successfully applied for in-vivo analysis of fast dispersible tablets of Domperidone in healthy human volunteer. The proposed method was a part of formulation development study and was efficiently applied for determination of the two drugs in various pharmaceutical products and human plasma.
authors.affiliation: Department of Pharmacy, Abasyn University, Peshawar 25120, Pakistan.
authors.forename: Amjad
authors.initials: A
authors.lastname: Khan
authors.affiliation: Department of Pharmacy, University of Peshawar, Peshawar 25120, Pakistan. Electronic address: zafar_iqbal@upesh.edu.pk.
authors.forename: Zafar
authors.initials: Z
authors.lastname: Iqbal
authors.affiliation: Strathclyde Institute of Pharmacy and Biomedical Sciences, Glasgow, UK.
authors.forename: Ibrahim
authors.initials: I
authors.lastname: Khadra
authors.affiliation: Department of Pharmacy, University of Swabi, Swabi, Pakistan.
authors.forename: Lateef
authors.initials: L
authors.lastname: Ahmad
authors.affiliation: Department of Pharmacy, University of Swabi, Swabi, Pakistan.
authors.forename: Abad
authors.initials: A
authors.lastname: Khan
authors.affiliation: Department of Pharmacy, University of Peshawar, Peshawar 25120, Pakistan.
authors.forename: Muhammad Imran
authors.initials: MI
authors.lastname: Khan
authors.affiliation: Department of Pharmacy, University of Peshawar, Peshawar 25120, Pakistan.
authors.forename: Zia
authors.initials: Z
authors.lastname: Ullah
authors.affiliation: Department of Pharmacy, University of Peshawar, Peshawar 25120, Pakistan.
authors.lastname: Ismail
mesh_terms: D001549:Benzamides / Q000737:chemistry*; D001593:Benzyl Compounds / Q000737:chemistry*; D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D056148:Chromatography, Reverse-Phase / Q000379:methods*; D004294:Domperidone / Q000737:chemistry*; D006801:Humans; D057230:Limit of Detection; D059625:Liquid-Liquid Extraction / Q000379:methods; D010949:Plasma / Q000737:chemistry*; D013607:Tablets / Q000032:analysis*; D013696:Temperature; D014466:Ultraviolet Rays
chemical_list: D001549:Benzamides; D001593:Benzyl Compounds; D013607:Tablets; D004294:Domperidone; C102254:itopride
keywords: Domperidone; ICH Guide lines; In-vivo evaluation; Itopride; RP-HPLC