Healthy volunteers · Connecticut
Studies for healthy volunteers in Connecticut
140 studies have at least one recruiting site in Connecticut. These studies say in their official record that they accept healthy volunteers. Many are Phase 1 studies that test how a new medicine is absorbed and tolerated; others recruit healthy people as a comparison group alongside patients.
140 recruiting studiesSource: ClinicalTrials.gov, refreshed October 26, 2026How we list studies
Studies
- RecruitingHealthy volunteersPhase 1
Study of the Safety, Tolerability, Electrophysiological Effects and Efficacy of DMT in Humans
Deepak C. D'Souza
- Location
- West Haven, CT
- Eligibility basics
- Ages 21–65
- RecruitingHealthy volunteersPhase 1
AB821 in Adult Participants With Locally Advanced or Metastatic Solid Tumors
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1/Phase 2
Saci Nivo Rela for TNBC
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 1
Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study II
Yale University
- Location
- West Haven, CT
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersEarly Phase 1
Cannabidiol Effects on Learning and Anxiety
University of Connecticut
- Location
- Storrs, CT
- Eligibility basics
- Ages 18–50
- RecruitingHealthy volunteersEarly Phase 1
Study of Biodistribution, Metabolism, Excretion and Brain Uptake11C-M503
University of Pennsylvania
- Location
- New Haven, CT + 2 other US sites
- Eligibility basics
- Ages 40–85
- RecruitingHealthy volunteersEarly Phase 1
SV2A Density Cannabis Use Disorder
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–75
- RecruitingHealthy volunteersPhase 1
Open-Label Psilocybin Study in Transdiagnostic Population
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersEarly Phase 1
Bone Marrow Derived Stem Cells Mobilization for Treatment of Abnormal Endometrium
Hugh Taylor
- Location
- Orange, CT
- Eligibility basics
- Ages 18–40 · Women only
- RecruitingHealthy volunteersEarly Phase 1
Intradermal Influenza Vaccination
Yale University
- Location
- New Haven, CT
- Eligibility basics
- Ages 18–40
- RecruitingHealthy volunteersPhase 1
Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans
Yale University
- Location
- West Haven, CT
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 1
Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study I
Yale University
- Location
- West Haven, CT
- Eligibility basics
- Ages 18–55
- RecruitingHealthy volunteersPhase 3
A Study of Aleniglipron in Adults With Obesity or Overweight and Type 2 Diabetes Mellitus (ACCOMPLISH-2)
Gasherbrum Bio, Inc., a wholly owned subsidiary of Structure Therapeutics
- Location
- Waterbury, CT + 55 other US sites
- Eligibility basics
- Ages 18–79
- RecruitingHealthy volunteersPhase 3
A Study to Assess the Safety, Tolerability, and Immunogenicity of 3 Lots of a Multivalent Pneumococcal Conjugate Vaccine Administered to Adults
Pfizer
- Location
- Milford, CT + 36 other US sites
- Eligibility basics
- Ages 18–49
- RecruitingHealthy volunteers
Observational Study of Decentralized Urine Optical Interaction Patterns Associated With Environmental Microplastic and Nanoplastic Exposure
Ecotera Health LLC
- Location
- Hartford, CT + 50 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteersPhase 3
A Study on the Efficacy of a Vaccine Against Influenza in Adults ≥65 Years of Age
GlaxoSmithKline
- Location
- Stamford, CT + 130 other US sites
- Eligibility basics
- Ages 65+
- RecruitingHealthy volunteers
Study to Evaluate the Safety of Retreatment With Restylane® Lyft With Lidocaine for Augmentation of the Chin Region
Galderma R&D
- Location
- Westport, CT + 6 other US sites
- Eligibility basics
- Ages 22+
- RecruitingHealthy volunteers
Shield Post-Approval Study Protocol
Guardant Health, Inc.
- Location
- Branford, CT + 48 other US sites
- Eligibility basics
- Ages 45–81
- RecruitingHealthy volunteers
Evaluation of the Q-Pad hrHPV Test System for Identifying Precancer
Qurasense
- Location
- New Haven, CT + 2 other US sites
- Eligibility basics
- Ages 25+ · Women only
- RecruitingHealthy volunteersPhase 2
A Study to Learn About mRNA Vaccines Against Influenza in Adults
Pfizer
- Location
- Milford, CT + 14 other US sites
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
BioBrace® Implant for Arthroscopic Repair of Full Thickness Rotator Cuff Tears
CONMED Corporation
- Location
- New Haven, CT
- Eligibility basics
- Ages 40–70
- RecruitingHealthy volunteers
Data Gathering for A10900
Optos, PLC
- Location
- West Hartford, CT + 2 other US sites
- Eligibility basics
- Ages 22+
- RecruitingHealthy volunteers
Molecular Indicators of Systematic Fitness
VO Health, Inc.
- Location
- New Haven, CT
- Eligibility basics
- Ages 18+
- RecruitingHealthy volunteers
Data Collection and Professional Simulated Use Study to Develop an Embryo Quality Artificial Intelligence (AI) Model
Fairtility
- Location
- Stamford, CT
- Eligibility basics
- Ages 18+ · Women only
Who these studies look for
“Healthy” is decided at screening, not by you. Sites usually check vital signs, blood and urine tests, an ECG, your medications and sometimes your BMI or smoking status. A study can still turn you away for reasons that have nothing to do with being unwell, such as timing or a full roster.
Matching a page like this one never means you qualify. Each research team decides eligibility at screening.
Questions
Do healthy volunteer studies pay?
Many do, because volunteers give up time and follow strict schedules, but amounts are set by each study and are usually only confirmed by the research site. When a record states an amount we show the exact wording; otherwise we say compensation is not disclosed.
What happens at a screening visit?
Expect consent paperwork first, then a health questionnaire, vital signs, blood and urine samples and often an ECG. You can ask questions and withdraw at any time, before or after you sign.