Long-term benzodiazepine use: tolerance and withdrawal

Tolerance and Physical Dependence after Chronic Benzodiazepine Treatment

NIH-funded research University of Mississippi Med Ctr · NIH-11285161

This project looks at how long-term benzodiazepine use can cause tolerance and physical withdrawal by focusing on different GABAA receptor types.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Mississippi Med Ctr NIH-funded
Lab location1 site (Jackson, United States)
Project IDNIH-11285161 on NIH RePORTER

What this research studies

From a patient's view, researchers are studying why people can develop tolerance and withdrawal after taking benzodiazepines for a long time. They focus on specific GABAA receptor subtypes (α1, α2, α3, α5) that help regulate the drugs' effects. Using laboratory models and pharmacological and genetic tools, the team compares responses after short-term versus chronic benzodiazepine exposure. Their experiments include behavioral and physiological measures to link receptor activity with tolerance and dependence.

Who could benefit from this research

Good fit: People who currently take benzodiazepines regularly or who have experienced tolerance or withdrawal from these drugs are the most relevant patient group.

Not a fit: People not using benzodiazepines or whose symptoms are caused by unrelated conditions are unlikely to benefit directly from this research in the near term.

Why it matters

Potential benefit: If successful, this work could point to ways to reduce tolerance and withdrawal or guide development of safer benzodiazepine-like medicines.

How similar studies have performed: Previous animal studies have shown roles for α1 and other GABAA subtypes in tolerance and dependence, but translating these findings into safer treatments for people remains unproven.

Where this research is happening

Jackson, 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.
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.