Paid Clinical Trials in Fairfield, CA
As of July 2026, 1 paid clinical trials are recruiting in Fairfield, California. Compensation typically covers time, travel, and study visits, with stipends ranging from modest amounts for short outpatient studies to several thousand dollars for long or inpatient protocols.
Fairfield offers studies at sites including David Grant USAF Medical Center for conditions such as Emotional Distress, PTSD and Substance Use Disorder. Both patients with specific conditions and healthy volunteers can qualify. Most trials offer free study-related medical care alongside compensation.
Recruiting trial data synced daily from ClinicalTrials.gov. Last sync: .
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·Clear filters·Top Research Study Locations in Fairfield
Researchers run research studies in Fairfield, CA at 1 active sites. The clinics below currently host the largest number of recruiting studies — each name is followed by the conditions they focus on most.
| Site | Specializes in | Active trials |
|---|---|---|
| David Grant USAF Medical Center | Emotional Distress, PTSD and Substance Use Disorder | 1 |
Active & Upcoming Studies in Fairfield (2026)
Recruiting trials in Fairfield grouped by therapeutic area, drawn from ClinicalTrials.gov. Each bucket shows the most recent example studies.
Mental health & behavior (1 active study)
- Auricular Acupuncture on Emotional Distress in Service Members and Veterans With PTSD · United States Naval Medical Center, San Diego
Common conditions studied in Fairfield
- Emotional Distress (1 active study)
- PTSD and Substance Use Disorder (1 active study)
Leading research sponsors in Fairfield
- United States Naval Medical Center, San Diego
Frequently asked questions
How many paid clinical trials are currently recruiting in Fairfield?
There are approximately 1 recruiting clinical trials in Fairfield, California listed on ClinicalTrials.gov. The number changes weekly as new studies open and others close enrollment.
Do clinical trials in Fairfield pay participants?
Most recruiting trials in Fairfield compensate participants for their time, travel, and study visits. Compensation varies by sponsor, study phase, and visit requirements — the exact amount is disclosed by the study team during the informed consent process.
Who can participate in a clinical trial in Fairfield?
Eligibility depends on the specific study. Each trial defines its own inclusion criteria (age, diagnosis, medical history, prior treatments) and exclusion criteria. Both patients with specific conditions and healthy volunteers can qualify, depending on the study design.
What conditions are most commonly studied in Fairfield?
The most common conditions under active study in Fairfield include Emotional Distress (1), PTSD and Substance Use Disorder (1), among many others. Browse the list above to explore every recruiting trial.
Are there clinical trials for healthy volunteers in Fairfield?
Yes. Healthy-volunteer studies — often early-phase pharmacology or vaccine trials — recruit in Fairfield on an ongoing basis. Use the "Healthy volunteers only" filter above to view trials that accept participants without the study's target condition.
How do I enroll in a clinical trial in Fairfield?
Click any study title above to see the full study record, including eligibility criteria, visit schedule, and the study team's contact information. Reach out to the central contact or recruiting site directly — they will guide you through screening and informed consent.
Where can I take part in paid clinical trials in Fairfield?
Recruiting research sites in Fairfield include David Grant USAF Medical Center, among others. Each site lists its open studies and contact information on the study record above — call or email the site coordinator to ask about screening for a specific protocol.
What kinds of studies are recruiting in Fairfield right now?
The largest active categories in Fairfield are Mental health & behavior (1). Use the filters above to narrow by therapeutic area, phase, age, or healthy-volunteer eligibility.