Summary: This trial is being completed to compare two commonly used options to treat pain after surgery. Participants that undergo gallbladder removal, hernia repair, and breast lump removal will be eligible to enroll. Eligible participants will be randomized to 1 of 2 groups of medications (Non-Steroidal Anti-Inflammatory Drugs (NSAIDS) plus acetaminophen or low dose opioids plus acetaminophen). It is ant...

Background: Researchers developed \[11C\]MC1, a radioligand for cyclooxygenase-2 (COX-2). COX-2 is an enzyme induced in the brain during inflammation. Researchers want to see the levels of COX-1 (measured as distribution volume VT) are elevated in the brain of two groups of mood disorders patients undergoing MDE relative to the control group.

Summary: The goal of this clinical trial is to find out whether pain can be managed after an operation with celecoxib instead of oxycodone. The main question it aims to answer is if use of celecoxib plus Tylenol reduces the need for oxycodone. Researchers will compare the combination of celecoxib and Tylenol to a placebo to find out whether celecoxib works to manage pain. Participants will: * Take celecoxi...