Clinical Study to Investigate the Effect of the Combination of Psychotropic Drugs and an Opioid on Ventilation

"In one period subjects receive oxycodone 10-15 mg immediate release (IR) and placebo IV 1x per day.~In a second period (randomized cross-over), subjects receive midazolam 0.0375-0.075 mg/kg IV and oral placebo tablet 1x per day.~In a third period (randomized cross-over), subjects receive oxycodone 10-15 mg IR tablet and 0.0375-0.075 mg/kg midazolam IV 1x per day.~In a fourth period (randomized cross-over), subjects receive oral placebo tablet and placebo IV 1x per day."

"In one period, subjects receive: oxycodone 10-15 mg IR tablet 1x per day and oral placebo 3x per day on Days 1 and 5; and oral placebo 3x per day on Days 2-4.~In a second period (randomized cross-over), subjects receive: oxycodone 10-15 mg IR tablet 1x per day, paroxetine 40 mg tablet 1x per day, and oral placebo 1x per day on Days 1 and 5; and paroxetine 40 mg tablet 1x per day and oral placebo 2x per day on Days 2-4.~In a third period (randomized cross-over), subjects receive: oxycodone 10-15 mg IR tablet 1x per day, quetiapine 50 mg tablet 2x per day, and oral placebo 1x per day on Day 1; quetiapine 100 mg (2x50 mg tablets) 2x per day and oral placebo 1x per day on Day 2; quetiapine 150 mg (3x50 mg tablets) 2x per day and oral placebo 1x per day on Day 3; quetiapine 200 mg (4x50 mg tablets) 2x per day and oral placebo 1x per day on Day 4; and quetiapine 200 mg (4x50 mg tablets) 1x per day and oral placebo 1x per day on Day 5."