Understanding how sex differences affect fear extinction in PTSD

Sexually dimorphic CNTF/Ucn3 mechanism in fear extinction

NIH-funded research East Tennessee State University · NIH-10738916

This study is looking at how fear can be unlearned in people with PTSD, especially why women might react differently than men to treatments, by using animal models to explore a specific brain factor that could help improve therapy for everyone.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionEast Tennessee State University NIH-funded
Lab location1 site (Johnson City, United States)
Project IDNIH-10738916 on NIH RePORTER

What this research studies

This research investigates the mechanisms behind fear extinction, particularly in the context of post-traumatic stress disorder (PTSD), focusing on how these mechanisms differ between males and females. Using rodent models, the study examines the role of ciliary neurotrophic factor (CNTF) in the medial amygdala and its impact on stress responses and fear extinction learning. The research aims to uncover why women, who are more likely to develop PTSD, respond differently to exposure therapy compared to men. By identifying these sex-specific biological factors, the study hopes to improve therapeutic strategies for PTSD.

Who could benefit from this research

Good fit: Ideal candidates for this research are adults, particularly women, who have experienced trauma and may be suffering from PTSD.

Not a fit: Patients who do not have PTSD or have not experienced trauma may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to more effective treatments for PTSD, particularly tailored to the needs of women.

How similar studies have performed: Previous research has shown promising results in understanding sex differences in PTSD treatment, but this specific approach focusing on CNTF is relatively novel.

Where this research is happening

Johnson City, 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.