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Bioequivalence Evaluation of Two Clopidogrel Immediate Release Tablet Formulations in Healthy Thai Volunteers Under Fasting Conditions

Clopidogrel is used for acute coronary syndrome and prevention of atherothrombotic events. To improve clinical outcomes, patient adherence to treatment is necessary. However, continuous use of branded product may cause economic burden to patients and healthcare system. The Government Pharmaceutical Organization (GPO), Thailand had developed a generic product of clopidogrel to reduce cost of treatment and improve accessibility to medicines for Thai people.
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Bioequivalence Study of Olanzapine 5 mg Orally Disintegrating Tablet Formulations in Healthy Thai Volunteers under Fasting Conditions

A comparative randomized, single dose, two-way crossover, open label study was carried out to assess bioequivalence and tolerability of test (ZOLAN GPO®) and reference (Zyprexa Zydis®) products of olanzapine 5 mg orally disintegrating tablets for interchange ability in the same quality and safety.
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Development and Optimization of an LC-MS/MS Method for Dosage Form of Ergocalciferol (Vitamin D2 ) in Human Plasma

Accurate measurement of ergocalciferol in biological samples has become easier using high-end mass spectra. Currently, various LCMS/MS methods have been developed to quantify ergocalciferol. Use of LC-MS/MS has accomplished to develop an accurate method that could quantify ergocalciferol in a large number of samples where it should be analyzed in the blood immediately after dosage. The objective of this study is to optimize chromatographic conditions and evaluate the LC-MS/MS method for accurate quantification of the dosage form of ergocalciferol in human plasma. Extraction and separation of ergocalciferol in human plasma was achieved using methanol liquid-liquid extraction and by a reverse phase C8 column, respectively
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Bioequivalence Study of Two Oral-Capsule Formulations of Pregabalin 300 mg in Healthy Mexican Adult Volunteers

Pregabalin is a ligand for the alpha-2-delta subunit of voltage-gated calcium channels in the central nervous system. It has anticonvulsant, analgesic, and anxiolytic activity. The bioequivalence of a test formulation was evaluated with respect to its corresponding reference drug formulation of oral pregabalin 300 mg, administered as a capsule. This randomized-sequence, single-dose, single-blind, two-period crossover design under fasting conditions was done on 25 healthy Mexican adult subjects including both genders. There was a seven-day washout period.
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Identification of Designer Drugs using Gas Chromatography High-Resolution Mass Spectrometry and a Soft-Ionization Source

Gas chromatography-mass spectrometry (GC-MS) with electron ionization (EI) or chemical ionization (in positive or negative mode) plays an important role in the forensic analysis of designer drugs.
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Development of a Stability Indicating UPLC-MS/MS Method for Rapid and Reliable Determination of Fenofibrate in Marketed Product (Lypanthyl® 200M) and Human Plasma

A reliable, fast, sensitive and selective Ultra Performance Liquid Chromatography-Tandem Mass Spectrometry (UPLC-MS/MS) method has been developed and validated for the determination of fenofibrate in marketed product (Lipanthyl) and human plasma. The chromatographic separation was performed on a reversed-phase Acquity®BEH C18 column (1.7 μm particle size, 50 mm x 2.1 mm ID) with an isocratic elution profile and mobile phase consisting of methanol and water (80:20, %, v/v). To achieve optimum chromatographic condition the influence of mobile phase composition and flow rate was investigated. The total chromatographic analysis time was as short as 2 min.
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