What is this study trying to understand?
Based on the public registry summary, this study is trying to understand: The goal of this study is to learn if short-term changes in the immune system alter how we process information and experience fear. The main questions it aims to answer are: Do people who receive typhoid vaccine respond differently than those who receive a placebo saline. The study team can confirm the exact objective and what it means for you.
Does this study involve biological samples, imaging, or biomarkers?
This appears to be a biological / biomarker / imaging study involving Typhoid VI Polysaccharide Vaccine Injectable Solution, Saline Placebo (0.5mL injection). Phase 1 studies usually focus mainly on safety, tolerability, dosage, and side effects. They often involve healthy volunteers, but not always. Some Phase 1 studies include people living with the target condition.
Who might this study be for?
This study may concern people with ptsd; age range: From 18 Years to 60 Years. The criteria appear fairly specific, but you should not assume you are eligible. The study team must confirm diagnosis, age, exclusions, available locations, and next steps.
What would I likely need to do?
You may need to provide biological samples, complete lab tests, or take part in imaging or measurement procedures. The listed study locations suggest that at least part of participation may involve a physical site. Ask whether some steps can be done remotely.
What should I check about samples, imaging, data, and possible discomfort?
If the study involves samples, imaging, or biomarkers, ask what is collected, how it is stored, who can access results, whether there may be discomfort, and whether results are shared with you. For any mental health study, also ask who to contact if you feel worse, whether participation may affect current treatment, whether you can stop, and who confirms eligibility.
Will I need to travel or attend in-person visits?
The listed study locations suggest that at least part of participation may involve a physical site. Ask which sites are open, how many visits are expected, whether any steps can be done remotely, and whether travel costs or compensation are listed.
Who is behind this study?
This study is sponsored by University of California, San Francisco, which appears to be a university. If available, it can be useful to check the sponsor website, collaborators, investigator affiliation, and the official registry before deciding. HopeStage does not judge the quality of a sponsor or researcher, but helps you identify what to verify.
Can I still join this study?
The public registry lists this study as recruiting. Individual sites may have different statuses. The research team must confirm whether a site is open and whether you meet the criteria.
