The purpose of this study is to evaluate effect of single and repeated doses of darunavir (DRV) in combination with cobicistat (DRV/COBI) and with ritonavir (DRV+rtv) on the pharmacokinetics of single dose dabigatran etexilate (measured in plasma as free and total dabigatran) when co-administered in healthy participants.

Inclusion Criteria:

• Must have a body mass index (BMI) (weight in kilogram [kg]/height^2 in square meters [m^2] ) between 18.0 and 30.0 kg/m^2 (inclusive) and body weight not less than 50.0 kg
• Must sign an informed consent form (ICF) indicating that they understand the purpose of, and procedures required for, the study and are willing to participate in the study
• A woman must have a negative highly sensitive serum beta human chorionic gonadotropin (beta hCG) pregnancy test at screening, on Day -1 (only if the test performed at screening was greater than [>] 4 days before dosing), and at the end of the study
• Contraceptive use by men or women should be consistent with local regulations regarding the use of contraceptive methods for participant participating in clinical studies
• A woman must agree not to donate eggs (ova, oocytes) for the purposes of assisted reproduction during the study and for at least 90 days after receiving the last dose of study drug
• Must be willing and able to adhere to the prohibitions and restrictions specified in this protocol
• A male participant must agree not to donate sperm for the purpose of reproduction during the study and for a minimum 90 days after receiving the last dose of study drug

Exclusion Criteria:

• Clinically significant abnormalities during physical examination, vital signs, or 12 lead - electrocardiogram (ECG) at screening as deemed appropriate by the investigator
• With any history of clinically significant skin disease such as, but not limited to, dermatitis, eczema, drug rash, psoriasis, food allergy, or urticaria
• With a history of clinically significant drug allergy such as, but not limited to, sulfonamides and penicillins, or drug allergy diagnosed in previous studies with experimental drugs
• Has donated blood or blood products or had substantial loss of blood (more than 500 milliliter [mL]) within 3 months before the first administration of study drug or intention to donate blood or blood products during the study
• Has received an investigational drug or used an investigational medical device within 60 days before the first intake of study drug

The data sharing policy of the Janssen Pharmaceutical Companies of Johnson & Johnson is available at www.janssen.com/clinical-trials/transparency.

As noted on this site, requests for access to the study data can be submitted through Yale Open Data Access (YODA) Project site at yoda.yale.edu