Bioequivalence Study of Two Products of Apixaban 5mg Tablets in Healthy, Adult, Human Subjects

Inclusion Criteria: * Non-smoker, normal, healthy, adult, human volunteers between 18 and 45 years of age (both inclusive). * Having a Body Mass Index (BMI) between 18.5 and 30.0 (both inclusive), calculated as weight in kg / height in m2 and body weight ≥ 60 kg. * Not having significant diseases or clinically significant abnormal findings during screening, medical history, clinical examination, laboratory evaluations, 12 lead ECG, and chest X-ray recordings (posterior-anterior view). * aPTT and PT within normal range. * Able to understand and comply with the study procedures, in the opinion of the investigator. * Able to give voluntary written informed consent for participation in the trial. * In case of female subjects: * Surgically sterilized at least 6 months prior to study participation. * If of child bearing potential is willing to use a suitable and effective double barrier contraceptive method or intra uterine device during the study. And -Serum pregnancy test must be negative. Exclusion Criteria: * Known hypersensitivity to Apixaban or any excipients or any related drug or any substance. * History or presence of any disease or condition which might compromise the haemopoietic, renal, hepatic, endocrine, pulmonary, central nervous, cardiovascular, immunological, dermatological, gastrointestinal or any other body system. * Ingestion of medicine \[prescribed \& over the counter (OTC) medication including herbal remedies, anticoagulants, antiplatelet agents, selective serotonin reuptake inhibitors (SSRIs) or serotoninnorepinephrine reuptake inhibitors (SNRIs), or non-steroidal anti-inflammatory medicinal products (NSAIDs) including acetylsalicylic acid, inhibitors of both cytochrome P450 3A4 (CYP3A4) and P-glycoprotein (P-gp), such as azole-antimycotics (e.g., ketoconazole, itraconazole, voriconazole and posaconazole)and HIV protease inhibitors (e.g., ritonavir) and Inducers of CYP3A4 and P-gp (e.g., rifampicin, phenytoin, carbamazepine, phenobarbital or St. John's Wort) and any vaccine (including COVID-19 vaccine)\] at any time within 14 days prior to dosing of Period-I. In any such case subject selection will be at the discretion of the Principal Investigator. * Any history or presence of asthma (including aspirin induced asthma) or nasal polyp or NSAIDs induced urticaria. * CrCl value \< 50 mL/min * Rare hereditary problems of galactose intolerance, total lactase deficiency or glucose-galactose malabsorption * A recent history of harmful use of alcohol (less than 2 years) i.e., alcohol consumption of more than 14 standard drinks per week for men and 07 standard drinks per week for women (A standard drink is defined as 360 mL of beer or 150 mL of wine or 45 mL of 40% distilled spirits, such as rum, whisky, brandy etc.), or consumption of alcohol or alcoholic product within 48 hours prior to receiving study medicine of Period-I. * Smokers or who have smoked within last 06 months prior to start of the study. * The presence of clinically significant abnormal laboratory values during screening. * Use of any recreational drugs or history of drug addiction or testing positive in pre-study drug scans. * History or presence of seizure or psychiatric disorders. * A history of difficulty with donating blood. * Donation of blood (1 unit or 350 mL) within a period of 90 days prior to the first dose of study medication. * Receipt of an investigational medicinal product or participation in a drug research study within a period of 90 days prior to the first dose of study medication\*\*. \*\* If investigational medicinal product is received within 90 days where there is no blood loss except safety laboratory testing, subject can be included considering 10 half-lives duration of investigational medicinal product received. * A positive hepatitis screen including hepatitis B surface antigen and/or HCV antibodies. * A positive test result for HIV antibody (1 \&/or 2). * Consumption of grapefruit or grape fruit products within 72 hours prior to dosing of Period-I. * Difficulty in swallowing tablets or other oral solid dosage forms. * An unusual diet, for whatever reason (e.g., fasting, high potassium or low-sodium), for four weeks prior to receiving the study medicine in Period-I. In any such case subject selection will be at the discretion of the Principal Investigator. * Nursing mothers (for female subjects).