Understanding how brain circuits control defensive behaviors related to anxiety

Hypothalamic prodynorphin neurocircuits integrating defensive behaviors

NIH-funded research University of Texas Hlth Sci Ctr Houston · NIH-11105671

This study is looking at certain brain cells that might help us understand anxiety disorders like PTSD, focusing on how they affect our reactions to danger, which could lead to better treatments for these conditions.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Texas Hlth Sci Ctr Houston NIH-funded
Lab location1 site (Houston, United States)
Project IDNIH-11105671 on NIH RePORTER

What this research studies

This research investigates the role of specific neurons in the hypothalamus that are linked to anxiety disorders, such as PTSD. It aims to understand how these neurons, which produce a neuropeptide called dynorphin, influence the brain's ability to switch between different defensive responses, like fighting or freezing. By studying the connections of these neurons to other brain regions involved in defensive behavior, the research seeks to uncover the underlying mechanisms that contribute to anxiety disorders. This could lead to new insights into how to better treat these conditions.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals suffering from anxiety disorders, particularly those with PTSD.

Not a fit: Patients with anxiety disorders that do not respond to neurobiological interventions may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective treatments for anxiety disorders, improving the quality of life for many patients.

How similar studies have performed: Previous research has shown promising results in understanding the neurobiology of anxiety through similar approaches, indicating potential for success.

Where this research is happening

Houston, 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 Anxiety Disorders
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.