RecruitingPhase 3Drug trialOpioid-Sparing Joint ReplacementThe goal of this clinical trial is to evaluate whether an opioid-sparing postoperative pain regimen can reduce opioid consumption and maintain effective pain control in adults undergoing anterior total hip arthroplasty for osteoarthritis. The main questions it aims to answer are: * Does an opioid-limited regimen result in lower postoperative opioid use compared with a standard opioid prescription? * Does the opioid-limited regimen provide comparable or improved postoperative pain control and patient satisfaction?