Location · Connecticut
Clinical trials recruiting in Connecticut
368 recruiting studies have at least one site in Connecticut; 140 accept healthy volunteers. Studies that need a specific condition are included too, so check each listing.
Want the research companies that run paid Phase 1 studies for healthy volunteers? Paid clinical trial companies in Connecticut.
368 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteers
Sex Differences in E-Cigarette Perception
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 21–44
- RecruitingHealthy volunteersPhase 4
Pragmatic Evaluation of Events And Benefits of Lipid-lowering in Older Adults
Duke University
- Location
- New Haven, CT + 88 other US sites
- Eligibility basics
- Ages 75+
- RecruitingHealthy volunteers
Imaging Traumatic Stress and Alcohol Use Disorder With [18F]Bavarostat
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Identifying and Characterizing Preclinical MS
Yale University
- Location
- North Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
ASSESS ALL ALS Study
St. Joseph's Hospital and Medical Center, Phoenix
- Location
- New Britain, CT + 35 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
PREVENT ALL ALS Study
St. Joseph's Hospital and Medical Center, Phoenix
- Location
- New Britain, CT + 30 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Speech Motor Learning and Retention (Master Protocol)
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Circulating Markers for Ischemic Heart Disease
UConn Health
- Location
- Farmington, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Study of Circulating Monocytes in Patients With Ischemic Vascular Disease
UConn Health
- Location
- Farmington, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Social Disconnection Study
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 55+
- RecruitingHealthy volunteers
Leveraging Regulatory Flexibility for Methadone Take-Home Dosing to Improve Retention in Treatment for Opioid Use Disorder
NYU Langone Health
- Location
- Storrs, CT + 3 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
The Mito-Frail Trial: Effects of MitoQ on Vasodilation, Mobility and Cognitive Performance in Frail Older Adults
UConn Health
- Location
- Farmington, CT
- Eligibility basics
- Ages 65–80
- RecruitingHealthy volunteers
Drinking, Acetate, and Stress
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–60
- RecruitingHealthy volunteers
Effects of Freeze-dried Grape Powder on Immune Profiles in Healthy Aging Adults
University of Connecticut
- Location
- Storrs, CT
- Eligibility basics
- Ages 50–75
- RecruitingHealthy volunteersPhase 2
Evaluation of Tau-Pathology in Sporadic and LRRK2 Parkinson's Disease
Michael J. Fox Foundation for Parkinson's Research
- Location
- New Haven, CT
- Eligibility basics
- Ages 45–85
- RecruitingHealthy volunteersPhase 2
Kick-Nic! Youth Quit Vaping App
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 12–19
- RecruitingHealthy volunteersPhase 2
CUE-101with Pembrolizumab for Locally Advanced HPV+HNSCCs
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2
Rash & Diarrhea Prophylaxis With Capivasertib
Maryam Lustberg
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
PPMI Clinical - Establishing a Deeply Phenotyped PD Cohort
Michael J. Fox Foundation for Parkinson's Research
- Location
- New Haven, CT + 29 other US sites
- Eligibility basics
- Ages 30+
- RecruitingHealthy volunteersPhase 2/Phase 3
A Study of Potential Disease Modifying Treatments in Individuals at Risk for or With a Type of Early Onset AD Caused by a Genetic Mutation
Washington University School of Medicine
- Location
- New Haven, CT + 11 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 2/Phase 3
A Study of a Potential Disease Modifying Treatment in Individuals at Risk for or With a Type of Early Onset AD Caused by a Genetic Mutation
Washington University School of Medicine
- Location
- New Haven, CT + 11 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Transcranial Direct Current Stimulation and Extinction in Obsessive Compulsive Disorder
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteers
Pancreatic Cancer Early Detection Consortium
Arbor Research Collaborative for Health
- Location
- New Haven, CT + 39 other US sites
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Comprehensive HHT Outcomes Registry of the United States (CHORUS)
Cure HHT
- Location
- New Haven, CT + 15 other US sites
- Eligibility basics
- Any age listed