Lofexidine Pharmacokinetics in the Presence of Paroxetine in Healthy Volunteers

All subjects will receive two single doses of lofexidine HCl; one 0.4 mg dose taken alone on Day 1 and one 0.4 mg dose taken with 40 mg once daily paroxetine HCl at steady-state on Day 13.

All subjects will receive daily single doses of paroxetine HCl; one 20 mg dose taken Days 4-6, one 40 mg dose taken Days 7-19, one 20 mg dose taken Day 20, one 10 mg dose taken Days 21-22.