Understanding how pain sensitivity and genetics affect opioid use after knee surgery

Variation in Home Opioid Consumption after Total Knee Replacement: Investigating the Role of Pain Sensitivity and Gene Expression

NIH-funded research Vanderbilt University · NIH-10892842

This study is looking at why some people need more pain medication than others after knee surgery, focusing on how their pain sensitivity and genetics might play a role, so we can better manage pain for everyone after surgery.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionVanderbilt University NIH-funded
Lab location1 site (Nashville, UNITED STATES)
Project IDNIH-10892842 on NIH RePORTER

What this research studies

This research investigates why some patients use more opioids than others after total knee replacement surgery. It aims to identify the role of pain sensitivity and genetic factors in determining opioid consumption. By examining these biological variables alongside psychological and clinical data, the study seeks to provide a more comprehensive understanding of postoperative pain management. Patients will undergo quantitative sensory testing to measure their pain sensitivity, which may help predict their opioid needs after surgery.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals scheduled for total knee replacement surgery who may experience varying levels of postoperative pain.

Not a fit: Patients who are not undergoing knee surgery or those with contraindications for opioid use may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more personalized pain management strategies, reducing the risk of prolonged opioid use after surgery.

How similar studies have performed: Previous studies have shown promise in using pain sensitivity and genetic factors to predict opioid use, suggesting that this approach could yield valuable insights.

Where this research is happening

Nashville, UNITED STATES

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Candidate Disease Gene
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.