Inclusion Criteria:

• Weighs at least 50 kg and has a body mass index (BMI) between 18 and 30 kg/m2, inclusive, at Screening and Check-in (Day -1 of Period 1) Visits.
• Must be a CYP2C19 extensive metabolizer (wt/wt).
• Female participants of childbearing potential cannot be nursing, must have a negative serum pregnancy test at Check-in (Day 1 of Period 1), and use barrier contraception, or continuously practice abstinence throughout the duration of the study and for 30 days after the last dose of study drug.
• At the Screening and Check-in (Day -1 of Period 1) Visits, must have an estimated creatinine clearance (CLcr) greater than or equal 90 mL/minute as determined from the Cockcroft-Gault formula.
• Is in good health as determined by a physician based upon medical history, electrocardiogram, and physical examination findings at the Screening and Check-in (Day -1 of Period 1) Visits.
• Participant's clinical laboratory evaluations (including hematology, clinical chemistry [fasted for a least 8 hours], and urinalysis) at the Screening and Check-in (Day -1 of Period 1) Visits are within the reference range for the testing laboratory or are deemed not clinically significant by the investigator and TGRD Medical Monitor.
• Participant's urine drug screen for selected substances of abuse is negative at the Screening and Check-in (Day -1 of Period 1) Visits.

Exclusion Criteria:

• Has consumed products containing Seville oranges (sour), grapefruit or grapefruit juice within 14 days prior to the first dose of study drug or is unwilling to agree to abstain from products containing Seville oranges (sour), grapefruit or grapefruit juice while participating in the study.
• Has current or recent (within 6 months) gastrointestinal disease, a history of malabsorption, esophageal reflux, gastric bleeding or peptic ulcer disease, frequent (more than once per week) occurrence of heartburn, or any surgical intervention (eg, cholecystectomy), which would be expected to influence the absorption of drugs.
• Has a history of drug abuse or a history of alcohol abuse within 1 year prior to the Screening Visit or is unwilling to agree to abstain from alcohol and drugs throughout the study.
• Is currently participating in another investigational study or has received any investigational compound within 30 days prior to the Check-in (Day -1 of Period 1) Visit.
• Has received any known hepatic or renal clearance altering agents (eg, erythromycin, cimetidine, barbiturates, phenothiazines, fluvoxamine, etc.) within 28 days prior to first dose of study drug.
• Has a history or clinical manifestations of significant metabolic, hematologic, pulmonary, cardiovascular, gastrointestinal, neurologic, hepatic, renal, urologic, immunologic, or psychiatric disorder as determined by the investigator which may impact the ability of the subject to participate or potentially confound the trial results.
• Has a history of hypersensitivity or allergies to any drug or food or any excipients of clopidogrel, lansoprazole, dexlansoprazole, omeprazole, esomeprazole or other drug with the same mechanism of action or related compounds.
• Has had an acute, clinically significant illness within 30 days prior to the first dose of study drug.
• Has a systolic blood pressure greater than 140 mm Hg or has a diastolic blood pressure greater than 90 mm Hg at Screening or Check-in (Day -1 of Period 1).
• Has a positive test result for hepatitis B surface antigen (HBsAg) or antibody to hepatitis C virus (anti-HCV) at Screening, or a known history of infection with the human immunodeficiency virus (HIV).
• Has a Day -1 laboratory value assessed by the principal investigator and sponsor medical monitor as clinically significant underlying disease or condition that may prevent the subject from entering the study.
• Has an alanine aminotransferase, aspartate aminotransferase or Total Bilirubin level that exceeds the upper limit of normal at the Screening or Check-in (Day -1 of Period 1) Visits.
• Has used nicotine-containing products within 6 weeks prior to Check-in (Day -1 of Period 1) Visit, or has a positive cotinine screen at the Screening or Check-in (Day 1 of Period 1) Visits or anticipates an inability to abstain from these products for the duration of the study.
• With the exception of acetaminophen, has taken any excluded medication, supplements or food products listed in the Excluded Dietary Items and Medications table.
• Has donated blood products (such as plasma) within 30 days, or has donated whole blood or had a significant blood loss (500 mL) within 56 days of the first dose of study drug
• Has a positive test result for caffeine at the Check-in (Day -1 of Period 1) Visit.
• Has a history of cancer, except basal cell carcinoma, which has not been in remission for at least 5 years prior to the first dose of study drug.
• Has received clopidogrel or any PPIs or histamine2-receptor antagonists within 28 days of screening.
• Subject, in the opinion of the investigator, is unlikely to comply with the protocol or is unsuitable for any other reason.