Comparative Bioavailability Study of Morphine Sulfate Immediate Release and Controlled Release

A Single Dose, Three-Period, Three-Treatment, Six-Sequence, Three-Way Crossover Comparative Bioavailability Study of Morphine Sulfate Immediate Release Tablets and Solution and Controlled Release Capsules Under Steady-State Conditions.

Characterize the steady-state pharmacokinetics of morphine after oral administration of Roxane Laboratories' morphine sulfate immediate release tablets and oral solution and to compare their pharmacokinetics to that of AVINZA.

Inclusion Criteria:

• No clinically significant abnormal findings on the physical examination, medical history, or clinical laboratory results during screening.

Exclusion Criteria:

• Positive test for HIV, Hepatitis B, or Hepatitis C.
• Treatment with known enzyme altering drugs.
• History of allergic or adverse response to morphine sulfate or any comparable or similar product.