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
Transcranial Magnetic Stimulation (TMS) to Treat Depression in Autism Spectrum Disorder
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteersPhase 4
Oral Contraceptive Pill (OCP) Pharmacogenomics
Yale University
- Location
- New Haven, CT + 1 other US site
- Eligibility basics
- Ages 18–45 · Women only
- RecruitingHealthy volunteers
Speech Motor Learning and Retention (Aim 3)
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteers
Assessment and Educational Intervention to Reduce Ultra-processed Food Consumption in Pediatric Patients With IBD
Connecticut Children's Medical Center
- Location
- Hartford, CT
- Eligibility basics
- Ages 10–21
- RecruitingHealthy volunteers
Neural Mechanisms of the Social Brain
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Integrated Cancer Repository for Cancer Research
University of Nebraska
- Location
- Manchester, CT + 41 other US sites
- Eligibility basics
- Ages 19–110
- RecruitingHealthy volunteers
Reversal of Lipid-Induced Insulin Resistance
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteersPhase 2
Efficacy of Guselkumab in Treating Hailey Hailey Disease
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–90
- RecruitingHealthy volunteers
Effect of the Thrive AI Health App on Lifestyle Behaviors and Quality of Life
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 40+
- RecruitingHealthy volunteers
Opioid Use Disorder and Pain
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 21–60
- RecruitingHealthy volunteers
Investigation of Lymph Node Biology in Kidney Cancer
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Imaging Phosphodiesterase 4B (PDE4B) in People With Psychiatric Disorders With Positron Emission Tomography (PET) and the Radiotracer [18F]PF974
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–70
- RecruitingHealthy volunteersPhase 2
Phase 2 Study of Apremilast in Women and Men With Alcohol Use Disorder
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 21–65
- RecruitingHealthy volunteers
The Society for Obstetric Anesthesia and Perinatology Research Network General Anesthesia Registry
Yale University
- Location
- New Haven, CT + 32 other US sites
- Eligibility basics
- Ages 15–55 · Women only
- RecruitingHealthy volunteersPhase 4
Integrated e-Health (Electronic Health) for HIV and Substance Use Disorders in Justice Involved Women
Yale University
- Location
- New Haven, CT + 1 other US site
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteersPhase 2
FLASH-Breast: Evaluating the Efficacy of Fezolinetant in Reducing Vasomotor Symptoms in Women With Breast Cancer on Endocrine Therapy
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+ · Women only
- RecruitingHealthy volunteers
Assessing the Effectiveness of Digital Wellness Modules on Perceived Quality of Life
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–65
- RecruitingHealthy volunteers
OSA-18 in Children With Mild Obstructive Sleep Apnea: Can it be a Helpful Decision Making Tool?
Connecticut Children's Medical Center
- Location
- Hartford, CT
- Eligibility basics
- Ages 3–12
- RecruitingHealthy volunteers
Intestinal Immunity in Neurologic Disease
Yale University
- Location
- North Haven, CT
- Eligibility basics
- Ages 18–99
- RecruitingHealthy volunteers
Genomic Predictors of Recurrent Pregnancy Loss
Yale University
- Location
- New Haven, CT + 8 other US sites
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteers
Developing a Novel Human Laboratory Paradigm for AUD Medication Screening
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 21–65
- RecruitingHealthy volunteers
Implementation Facilitation Pilot for Alcohol Use Disorder (AUD) in Alcohol-associated Liver Disease (ALD)
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
The Effects of Brief Periods of Exercise on Blood Pressure
University of Hartford
- Location
- West Hartford, CT
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteers
Imaging Cannabinoid Receptors Using Positron Emission Tomography (PET) Scanning
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–55 · Men only