GSK1349572 Drug Interaction With Etravirine and Either Darunavir/Ritonavir or Lopinavir/Ritonavir

Darunavir 600 mg every 12 hours for 14 days in Periods 2 and 3. Period 3 may not be done. Darunavir is approved by the FDA as an HIV medication in the protease inhibitor class.

Etravirine 200 mg every 12 hours for 14 days in Periods 2 and 3. Period 3 may not be done. Etravirine is approved by the FDA as an HIV medication in the non-nucleoside reuptake inhibitor class.

Ritonavir 100 mg every 12 hours for 14 days in Periods 2 and 3. Period 3 may not be done. Ritonavir is approved by the FDA as an HIV medication in the protease inhibitor class.

Lopinavir 400 mg and ritonavir 100 mg every 12 hours for 14 days in Periods 2 and 3. Period 3 may not be done. Lopinavir/Ritonavir is approved by the FDA as an HIV medication in the protease inhibitor class.

GSK1349572 50 q24h for 5 days in Period 1 and for 14 days in Period 2. GSK1349572 20 mg q12h for 14 days in Period 3 if Period 3 is done. GSK1349572 is an investigational (not approved by the FDA) HIV medication in the integrase inhibitor class.