An open label, balanced, randomized, three-treatment, three-period, six-sequence, cross-over, single dose, comparative bioavailability pilot study under fasting conditions. The treatments will be administered after an overnight fasting of at least 10 hours in each period. Fasting will continue for four hours post-dose, and then meals will be provided at specified intervals. Drinking water will not be permitted one hour before dosing and until one hour post-dose.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
24
Formulation Test 1 of a fixed dose combination capsule of ASA and pantoprazole (Each capsule contains ASA 100 mg and pantoprazole 20 mg) manufactured by Piramal Healthcare Limited, India for GSK
Formulation Test 2 of a fixed dose combination capsule of ASA and pantoprazole (Each capsule contains ASA 100 mg and pantoprazole 20 mg) manufactured by Piramal Healthcare Limited, India for GSK
Aspirin® Protect 100 mg tablets (Each tablet contains ASA 100 mg) manufactured by Bayer vital GmbH, 51368 Leverkusen, Germany
Protium® 20 mg gastro-resistant tablets (Each gastro-resistant tablet contains 20 mg of pantoprazole (as sodium sesquihydrate)) marketing authorisation holder Nycomed GmbH, Byk-Gulden-Straβe 2, D-78467, Konstanz, Germany
GSK Investigational Site
Hyderabad, India
Composite of pharmacokinetic (PK) parameters
The bioavailability of two test products was compared with the reference products after determining the plasma PK parameters: Cmax (maximum measured plasma concentration), Tmax (time of Cmax), AUC0-t (area under the plasma concentration versus time curve from time zero to the last measurable concentration), AUC0-infinity (AUC from zero to infinity), t1/2 (time required for the plasma drug concentration to decrease by one half), Kel (terminal rate constant) and AUC\_% Extrap\_Obs (residual area in percentage determined by formula) for ASA and pantoprazole in relevant treatments.
Time frame: During each period at pre-dose, 0.167, 0.333, 0.5, 0.667, 0.833, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6, 8, 10, 12, 14, 16 and 24 hrs post dose
Tolerability of combined ASA and pantoprazole in subjects during the study
Tolerability of combined ASA and pantoprazole in subjects during the study assessed by adverse events, laboratory tests, vital signs and electrocardiogram (ECG).
Time frame: Up to 16 days
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