๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-04-30

Fear and Avoidance in PTSD Patients (NCT04770584)

Neural Correlates of Active Avoidance Learning and Their Interactions With Fear Extinction Mechanisms in PTSD Patients

๐ŸŸข Recruiting Observational / Diagnostic ๐Ÿง  Behavioral & Psychological Program Sponsor: The University of Texas Health Science Center, Houston

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

The purpose of this research study is to study how the brain learns to avoid certain stimuli or situations using an experimental paradigm. The big goal is to measure brain responses and subject's feelings and expectations when they are learning to actively avoid experimental stimuli, and how fear extinction learning and monetary cost can change how and when subjects are to avoid.

Who can join: Review the eligibility criteria below.

Location: UTHealth Houston โ€” Houston, Texas

Age range: 18 Years to 70 Years

๐Ÿงช Interventions in This Study

  • Fear Conditioning (BEHAVIORAL)
  • Avoidance conditioning (OTHER)
  • Pavlovian fear extinction learning (OTHER)
  • Willingness to pay to avoid shock (OTHER)

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (1 Sites)

  • UTHealth Houston โ€” Houston, Texas

๐Ÿ“ž Contact the Study Coordinator

Phone: (713) 486-2754

Email: Mohammed.R.Milad@uth.tmc.edu

Coordinator details come directly from the registered NIH protocol. Confirm the study is still recruiting before traveling.

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Contact the study coordinator using the phone/email above.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—