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
- RecruitingPhase 3
Extension Trial to Evaluate the Long-term Efficacy, Safety, and Tolerability of Maridebart Cafraglutide (MARITIME-1-EXTENSION)
Amgen
- Location
- Waterbury, CT + 69 other US sites
- Eligibility basics
- Ages 18–99
- RecruitingPhase 1/Phase 2
A Study of Oral Nuvisertib (TP-3654) in Patients With Myelofibrosis
Sumitomo Pharma America, Inc.
- Location
- New Haven, CT + 29 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Extension Study of Long-term Safety and Efficacy of Tulisokibart in Participants With Crohn's Disease or Ulcerative Colitis (MK-7240-011)
Merck Sharp & Dohme LLC
- Location
- Bristol, CT + 11 other US sites
- Eligibility basics
- Any age listed
- Recruiting
ELEVATE-HFpEF Clinical Study
Medtronic Cardiac Rhythm and Heart Failure
- Location
- Hartford, CT + 25 other US sites
- Eligibility basics
- Ages 40+
- RecruitingPhase 2
An Extension Study of Subjects Who Received an Avalyn Inhaled Antifibrotic Agent (SAIL)
Avalyn Pharma Inc.
- Location
- New Haven, CT + 30 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
A Study of Modified Release RTN-001 In Patients With Uncontrolled Hypertension
Retension Pharmaceuticals. Inc.
- Location
- Waterbury, CT + 31 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 1
A Study to Evaluate the Efficacy and Safety of Cannabidiol Oral Solution (CBD-OS [GWP42003-P, JZP926]) for the Treatment of Focal-Onset Seizures
Jazz Pharmaceuticals
- Location
- New Haven, CT + 20 other US sites
- Eligibility basics
- Ages 12–75
- RecruitingPhase 2
Study of EVO756 in Adults With Migraine
Evommune, Inc.
- Location
- New Haven, CT + 32 other US sites
- Eligibility basics
- Ages 18–64
- RecruitingPhase 2
RENAISSANCE 2: SPN-817 Phase 2, Double-Blind, Placebo-Controlled Study in Adults With Focal Onset Seizures
Supernus Pharmaceuticals, Inc.
- Location
- New Haven, CT + 36 other US sites
- Eligibility basics
- Ages 18–70
- RecruitingPhase 2
A Study to Investigate Mibavademab in Adult Women With Functional Hypothalamic Amenorrhea
Regeneron Pharmaceuticals
- Location
- New Haven, CT + 9 other US sites
- Eligibility basics
- Ages 18–40 · Women only
- Recruiting
Efficacy of the COronary SInus Reducer in Patients With Refractory Angina II
Shockwave Medical, Inc.
- Location
- New Haven, CT + 66 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 2
Imeroprubart in Adult Participants With Chronic Inflammatory Demyelinating Polyneuropathy (CIDP)
Immunovant Sciences GmbH
- Location
- New Haven, CT + 30 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Research Study on How People With Type 2 Diabetes Tolerate Switching From Semaglutide to Cagrisema
Novo Nordisk A/S
- Location
- Waterbury, CT + 36 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
VE303 for Prevention of Recurrent Clostridioides Difficile Infection
Vedanta Biosciences, Inc.
- Location
- Bristol, CT + 55 other US sites
- Eligibility basics
- Ages 12+
- RecruitingPhase 2
A Study to Evaluate the Efficacy, Safety, Pharmacodynamics (PD), and Pharmacokinetics (PK) of Selnoflast in Reducing Vascular Inflammation in Participants With Atherosclerosis at Risk for Major Adverse Cardiac Events
Genentech, Inc.
- Location
- New Haven, CT + 23 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Efficacy of PP-01 in Mitigating Cannabis Withdrawal Symptoms in Adults With Cannabis Use Disorder
PleoPharma, Inc.
- Location
- New Haven, CT + 21 other US sites
- Eligibility basics
- Ages 18–55
- RecruitingPhase 3
A Study to Investigate Cabotegravir Ultra Long-Acting (CAB ULA) Plus Rilpivirine Ultra Long-Acting (RPV ULA) in Adults and Adolescents With HIV Who Are Virologically Suppressed
ViiV Healthcare
- Location
- New Haven, CT + 36 other US sites
- Eligibility basics
- Ages 12+
- RecruitingPhase 2
Perivenous Dexamethasone Therapy: Examining Reduction of Inflammation After Thrombus Removal to Yield Benefit in Acute Femoropopliteal DVT
Mercator MedSystems, Inc.
- Location
- Darien, CT + 17 other US sites
- Eligibility basics
- Ages 18–89
- RecruitingPhase 3
Study of Lumateperone as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder
Intra-Cellular Therapies, Inc.
- Location
- Farmington, CT + 19 other US sites
- Eligibility basics
- Ages 18–65
- RecruitingPhase 2
Study of Targeted Therapies for the Treatment of Adult Participants With Moderate to Severe Crohn's Disease
AbbVie
- Location
- Danbury, CT + 53 other US sites
- Eligibility basics
- Ages 18–75
- RecruitingPhase 3
Phase 3 Study of Adjunctive Treatment With Seltorexant in Adult and Elderly Participants With Major Depressive Disorder and Insomnia Symptoms
Janssen Research & Development, LLC
- Location
- Farmington, CT + 41 other US sites
- Eligibility basics
- Ages 18–74
- RecruitingPhase 2
Study of ITI-1284 as Monotherapy Treatment in Patients With Generalized Anxiety Disorder
Intra-Cellular Therapies, Inc.
- Location
- Farmington, CT + 22 other US sites
- Eligibility basics
- Ages 18+
- RecruitingPhase 3
Multicenter Study of Lumateperone for the Treatment of Irritability Associated With Autism Spectrum Disorder (ASD) in Pediatric Patients
Intra-Cellular Therapies, Inc.
- Location
- New Haven, CT + 26 other US sites
- Eligibility basics
- Ages 5–17
- Recruiting
MMA Embolization for Refractory Chronic Migraine
Cerenovus, Part of DePuy Synthes Products, Inc.
- Location
- Hartford, CT + 7 other US sites
- Eligibility basics
- Ages 18–65