RecruitingNCT06630884
Typhoid vaccine or placebo to study immune changes and fear learning
About this title
Read the official source — NCT06630884Placebo comparisonAges 18–65United StatesPTSD
Understand this study
Who could participate?
Listed age limits: 18 years to 65 years.
What will I do during this study?
Participants attend four appointments at the VA health system. At one appointment, they receive either a typhoid vaccine or a saline injection. During the study, the team measures body responses while participants listen to sounds and asks them to complete questionnaires and psychological tests.
- Listed locations
- San FranciscoSee all locations and recruitment
- Study phase
- Phase 1Usually an early study focused on safety, tolerability, dosage, and side effects.
- Number of visits
- 4 appointments
What to know before participating
A point to clarify
This summary does not cover all risks or eligibility requirements. What risks or changes to my care would apply to me?
Things to check before joining
Study start dateStarted: March 28, 2025
- Recruitment status
- Recruiting
- Enrollment listed in the registry
- 288
- Sponsor
- University of California, San Francisco
- Sponsor type
- University
- Study type
- Biological
- Intervention type
- Biological, Other
- Study phase
- Phase 1Usually an early study focused on safety, tolerability, dosage, and side effects.
- Locations
- United States
- Age range
- From 18 Years to 65 Years
- Official registry ID
- NCT06630884
- Official title
Show the full official title
Inflammatory Challenge and Fear Extinction: A Model to Enhance Understanding of Posttraumatic Stress Disorder
Recruitment & locations
Currently recruitingA study may be recruiting, but some locations may no longer be accepting participants. Confirm availability with the research team.
San Francisco
Interested in joining this study?
Questions about this study
Who is behind this study?
The study sponsor is University of California, San Francisco, a university.
Who can participate?
Listed age limits: 18 years to 65 years.
Is this study still recruiting?
The registry lists this study as recruiting.
