The study was conducted as an open label, balanced, randomised, two-treatment, two-period, two-sequence, single dose, crossover bioavailability study comparing acetaminophen 650 mg extended release gel tabs (containing acetaminophen 650 mg) of OHM Laboratories Inc. (subsidiary of Ranbaxy) with Tylenol 8 hour extended release gel tabs (containing acetaminophen 650 mg) of McNeil Consumer & Speciality Pharmaceuticals in healthy, adult, human, male subjects under fasting condition.~The treatments were assigned to the study subjects according to SAS generated randomization schedule. Each subject received a single oral dose either Test or Reference product in each period with 240ml of water at ambient temperature after an overnight fast of at least 10 hours under supervision of a trained study personnel.~During the course of the study, safety parameters inclusive of vital signs, clinical examination, medical history and clinical laboratory safety tests (hematology, biochemical, serology parameters and urine analysis) at base line were assessed. Laboratory parameters of hematology and biochemistry were repeated at the end of the study.
The study was to compare single-dose oral bioavailability of acetaminophen 650 mg extended release geltabs (containing acetaminophen 650 mg) of OHM Laboratories Inc. (subsidiary of Ranbaxy Pharmaceuticals Inc., USA) with Tylenol 8 hour extended release gel tabs (containing acetaminophen 650 mg) of McNeil Consumer & Speciality Pharmaceuticals, U.S.A in healthy, adult, male human subjects under fasting condition.