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Trackers› Clinical trials› Connecticut
Clinical trial register · United States · industry-sponsored

Clinical Trials in Connecticut, 2026

Every industry-sponsored study on the ClinicalTrials.gov registry that lists a US site and is open, about to open, active-but-closed, or enrolling by invitation. This deliberately excludes academic and other non-industry sponsors — the full US registry across all sponsors runs to over 22,000 recruiting studies alone.

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Source: ClinicalTrials.gov. Complete coverage of the industry-sponsored slice — all 9118 matching records are in this view (non-industry sponsors are out of scope by design, not truncated). Synced 06 Oct 2026, 03:16 UTC
9118
Studies in scope
industry-sponsored, all four open statuses
4945
Recruiting now
open to new participants
2189
Lead sponsors
across recruiting studies
Top states
California 151 Florida 150 Arizona 96 Georgia 89 Illinois 70
Narrow the registerReset
Recruitment status
Phase
Lead sponsor
Eli Lilly and Company58 AstraZeneca58 AbbVie48 Merck Sharp & Dohme LLC39 Janssen Research & Development, LLC39 Clear sponsor filter
State
California151 Florida150 Arizona96 Georgia89 Illinois70
All 44 states
Target enrolment
to

Trials with a site in Connecticut

58 of 9118 studies
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Status
Study
Lead sponsor
Phase
Enrol
US states
Start
Not yet open
A Study of Orforglipron (LY3502970) Compared With Dulaglutide in Pediatric Participants With Type 2 Diabetes
NCT07668336Diabetes Mellitus, Type 2
DrugsDulaglutide·Orforglipron
Eli Lilly and Company
Phase 3
170
California, Connecticut, Georgia, Idaho, Kansas, New York, Oklahoma, Pennsylvania
2026-09
Not yet open
Efficacy, Safety, and Pharmacokinetics of Tirzepatide (LY3298176) Once Weekly Versus Placebo in Pediatric Participants 6 to Less Than 12 Years of Age Who Have Obesity (ADVANCE-SURMOUNT-KIDS)
NCT07817875Obesity
DrugTirzepatide
Eli Lilly and Company
Phase 3
150
Arizona, California, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana
2026-09
Recruiting
A Study of Orforglipron in Participants With Overweight at Risk of Development of Obesity-Related Complications or Progression to Class 1 Obesity
NCT07794579Overweight, Prediabetic State, Prehypertension, Obesity, Abdominal
DrugOrforglipron
Eli Lilly and Company
Phase 3
2,001
Alabama, Arizona, California, Connecticut, Florida, Georgia, Idaho, Illinois
2026-08-26
Recruiting
A Chronic Pain Master Protocol (CPMP): A Study of LY4065967 in Participants With Chronic Low Back Pain
NCT07641504Chronic Pain, Low Back Pain
DrugLY4065967
Eli Lilly and Company
Phase 2
150
Alabama, Arizona, California, Connecticut, Florida, Georgia, Illinois, Louisiana
2026-08-12
Recruiting
A Chronic Pain Master Protocol (CPMP): A Study of LY4065967 in Participants With Osteoarthritis Pain
NCT07641517Osteoarthritis, Knee, Chronic Pain
DrugLY4065967
Eli Lilly and Company
Phase 2
150
Alabama, Arizona, California, Connecticut, Florida, Georgia, Illinois, Louisiana
2026-06-25
Recruiting
A Study of LY4152199 in Participants With Previously Treated B-cell Malignancies (BAF_FRontier-1 )
NCT07101328Lymphoma, Non-Hodgkin, B-cell Lymphoma, Lymphoma, Large B-Cell, Diffuse, Lymphoma, Follicular
Eli Lilly and Company
Phase 1
215
California, Colorado, Connecticut, Illinois, Iowa, Kansas, Massachusetts, Michigan
2026-05-28
Recruiting
A Study of Donanemab (LY3002813) in Participants With Early Cognitive Decline (TRAILBLAZER-ALZ 7)
NCT07589595Cognitive Dysfunction, Lewy Body Disease, Synucleinopathies, Amyloid
DrugDonanemab
Eli Lilly and Company
Phase 2
350
Arizona, California, Colorado, Connecticut, Florida, Indiana, Kansas, Massachusetts
2026-05-20
Recruiting
A Study to Investigate Weight Management With Macupatide and Eloralintide, Alone or in Combination, in Adult Participants With Obesity or Overweight
NCT07589608Overweight, Obesity
DrugsMacupatide·Eloralintide
Eli Lilly and Company
Phase 2
400
Arizona, California, Connecticut, Florida, Idaho, Illinois, Kansas, Kentucky
2026-05-15
Recruiting
LY4268989 in Adults With Moderately to Severely Active Ulcerative Colitis
NCT07415044Ulcerative Colitis (UC), Ulcerative Colitis, Active Moderate, Ulcerative Colitis, Active Severe
DrugZotemtegrast
Eli Lilly and Company
Phase 2
1,431
Arizona, California, Colorado, Connecticut, Florida, Idaho, Illinois, Indiana
2026-03-26
Recruiting
A Chronic Pain Master Protocol (CPMP): A Study of LY4065967 in Participants With Diabetic Peripheral Neuropathic Pain
NCT07285018Diabetic Peripheral Neuropathic Pain
DrugLY4065967
Eli Lilly and Company
Phase 2
150
Alabama, Arizona, California, Connecticut, Florida, Georgia, Illinois, Louisiana
2026-02-16
Recruiting
A Study of Eloralintide (LY3841136) in Participants With Persistent Obesity Who Are Treated With a Weekly Incretin
NCT07392190Overweight, Obesity
DrugEloralintide
Eli Lilly and Company
Phase 3
900
Alabama, Arizona, California, Connecticut, Florida, Georgia, Idaho, Illinois
2026-02-10
Recruiting
A Study of Brenipatide in Adult Participants With Schizophrenia
NCT07410507Schizophrenia
DrugBrenipatide
Eli Lilly and Company
Phase 2
450
Arkansas, California, Connecticut, Florida, Georgia, Illinois, Maryland, Massachusetts
2026-02-10
Recruiting
A Study of Brenipatide in Adult Participants With Major Depressive Disorder
NCT07412756Depressive Disorder, Major
DrugBrenipatide
Eli Lilly and Company
Phase 3
1,000
California, Connecticut, Florida, Georgia, Indiana, Iowa, Maryland, Massachusetts
2026-02-09
Recruiting
A Study of Eloralintide (LY3841136) in Participants With Obesity, or Overweight Without Type 2 Diabetes
NCT07321886Obesity, Overweight
DrugEloralintide
Eli Lilly and Company
Phase 3
1,980
Alabama, Arizona, California, Connecticut, Florida, Georgia, Hawaii, Iowa
2026-02-06
Recruiting
A Study of [18F]LY4214835 in Healthy Volunteers and Participants With Cancer
NCT07258836Neoplasms, Healthy
Eli Lilly and Company
Phase 1
41
Connecticut, Massachusetts, Michigan, New York
2025-12-22
Recruiting
A Study of Eloralintide (LY3841136) in Participants With Obesity or Overweight, and Type 2 Diabetes
NCT07282600Overweight, Obesity
DrugEloralintide
Eli Lilly and Company
Phase 3
1,035
Alabama, Arizona, California, Colorado, Connecticut, Florida, Georgia, Hawaii
2025-12-15
Recruiting
A Study of Vepugratinib (LY3866288) in Participants With Cancer in the Urinary Tract
NCT07218380Carcinoma, Transitional Cell, Urinary Bladder Neoplasms, Neoplasm Metastasis
DrugsVepugratinib·Pembrolizumab
Eli Lilly and Company
Phase 3
450
Arizona, Arkansas, California, Colorado, Connecticut, District of Columbia, Florida, Idaho
2025-12-12
Recruiting
A Study of Solbinsiran (LY3561774) in Participants With Severe Hypertriglyceridemia
NCT07269210Severe Hypertriglyceridemia
Eli Lilly and Company
Phase 2
60
Arizona, California, Connecticut, Florida, Illinois, Indiana, Kentucky, Maryland
2025-12-08
Recruiting
A Study of Brenipatide in Adult Participants With Bipolar Disorder (RENEW-Bipolar-1)
NCT07286175Bipolar Disorder
DrugBrenipatide
Eli Lilly and Company
Phase 2
400
California, Connecticut, Florida, Georgia, Iowa, Maryland, Massachusetts, Pennsylvania
2025-11-24
Recruiting
A Three-Part Phase 3 Study of Sofetabart Mipitecan in Participants With Platinum-Resistant (Part A) and Platinum-Sensitive (Parts B and C) Ovarian Cancer
NCT07213804Ovarian Neoplasms, Fallopian Tube Neoplasms, Peritoneal Neoplasms, Neoplasm Metastasis
DrugsSofe-M·MIRV·Pegylated liposomal doxorubicin·Topotecan
Eli Lilly and Company
Phase 3
1,630
Alabama, Arizona, California, Colorado, Connecticut, Florida, Georgia, Hawaii
2025-10-22
Recruiting
A Master Protocol of Multiple Agents in Adults With Metabolic Dysfunction-Associated Steatotic Liver Disease (SYNERGY-Outcomes)
NCT07165028Metabolic Dysfunction-Associated Steatotic Liver Disease
DrugsRetatrutide·Tirzepatide
Eli Lilly and Company
Phase 3
4,500
Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia
2025-10-15
Active, closed
A Study of Orforglipron (LY3502970) in Participants With Obesity or Overweight and Osteoarthritis (OA) of the Knee
NCT07153471Osteoarthritis
DrugOrforglipron
Eli Lilly and Company
Phase 3
800
Arizona, California, Colorado, Connecticut, Georgia, Illinois, Kansas, Massachusetts
2025-09-15
Recruiting
Assessing the Impact of Muvalaplin on Major Cardiovascular Events in Adults With Elevated Lipoprotein(a)
NCT07157774Elevated Lp(a), Atherosclerotic Cardiovascular Disease (ASCVD)
Eli Lilly and Company
Phase 3
10,450
Alabama, Arizona, California, Colorado, Connecticut, Florida, Georgia, Idaho
2025-09-02
Active, closed
A Master Protocol Study of Orforglipron (LY3502970) in Participants With Hypertension and Obesity or Overweight (ATTAIN-Hypertension) GZL2
NCT06952530Hypertension
DrugOrforglipron
Eli Lilly and Company
Phase 3
487
Arizona, California, Connecticut, Florida, Hawaii, Maryland, Massachusetts, Michigan
2025-04-30
Active, closed
A Master Protocol for Orforglipron (LY3502970) in Participants With Hypertension and Obesity or Overweight: (ATTAIN-Hypertension Screening)
NCT06948422Hypertension
DrugOrforglipron
Eli Lilly and Company
Phase 3
974
Arizona, California, Connecticut, Florida, Hawaii, Maryland, Massachusetts, Michigan
2025-04-30
Active, closed
A Master Protocol Study of Orforglipron (LY3502970) in Participants With Hypertension and Obesity or Overweight (ATTAIN-Hypertension) GZL1
NCT06948435Hypertension, Overweight or Obesity
DrugOrforglipron
Eli Lilly and Company
Phase 3
487
Arizona, California, Connecticut, Florida, Hawaii, Maryland, Massachusetts, Michigan
2025-04-30
Recruiting
Study of Olomorasib (LY3537982) in Combination With Standard of Care in Participants With Resected or Unresectable KRAS G12C-mutant Non-Small Cell Lung Cancer
NCT06890598Carcinoma, Non-Small-Cell Lung
DrugsOlomorasib·Durvalumab·Pembrolizumab
Eli Lilly and Company
Phase 3
700
Alabama, Arizona, Arkansas, California, Connecticut, District of Columbia, Florida, Georgia
2025-03-27
Active, closed
A Study of Retatrutide (LY3437943) in the Maintenance of Weight Reduction in Individuals With Obesity
NCT06859268Obesity
DrugRetatrutide
Eli Lilly and Company
Phase 3
643
California, Colorado, Connecticut, Florida, Georgia, Hawaii, Illinois, Kentucky
2025-03-05
Recruiting
A Study of Dulaglutide (LY2189265) 3.0 mg and 4.5 mg in Pediatric Participants With Type 2 Diabetes Mellitus (AWARD-PEDS PLUS)
NCT06739122Type 2 Diabetes
DrugDulaglutide
Eli Lilly and Company
Phase 3
55
Arizona, Arkansas, California, Colorado, Connecticut, District of Columbia, Florida, Georgia
2025-01-10
Recruiting
A Platform Trial for Pediatric Participants With Obesity or Overweight (LY900040)
NCT06672549Obesity, Overweight
DrugOrforglipron
Eli Lilly and Company
Phase 3
125
Arizona, California, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana
2024-11-18
Recruiting
A Study of Orforglipron (LY3502970) in Adolescent Participants With Obesity, or Overweight With Related Comorbidities
NCT06672939Obesity, Overweight
DrugOrforglipron
Eli Lilly and Company
Phase 3
150
California, Connecticut, Georgia, Illinois, Louisiana, Missouri, North Carolina, Pennsylvania
2024-11-18
Active, closed
A Study of Retatrutide (LY3437943) Compared to Tirzepatide (LY3298176) in Adults Who Have Obesity
NCT06662383Obesity
DrugsRetatrutide·Tirzepatide
Eli Lilly and Company
Phase 3
800
Arizona, California, Colorado, Connecticut, Florida, Georgia, Hawaii, Illinois
2024-11-01
Active, closed
A Study of Remternetug (LY3372993) in Early Alzheimer's Disease (TRAILRUNNER-ALZ 3)
NCT06653153Alzheimer's Disease
DrugRemternetug
Eli Lilly and Company
Phase 3
1,400
Alabama, Arizona, California, Colorado, Connecticut, Florida, Georgia, Idaho
2024-10-24
Active, closed
A Study of the Pan-KRAS Inhibitor LY4066434 in Participants With KRAS Mutant Solid Tumors
NCT06607185Pancreatic Ductal Adenocarcinoma, Non-small Cell Lung Cancer, Colorectal Cancer, Advanced Solid Tumor
Drugs5Fluorouracil·Leucovorin·Cetuximab·Irinotecan
Eli Lilly and Company
Phase 1
750
Alabama, Arizona, California, Connecticut, Illinois, Indiana, Massachusetts, Michigan
2024-10-21
Recruiting
A Study of Eltrekibart and Mirikizumab in Adult Patients With Moderately to Severely Active Ulcerative Colitis
NCT06598943Ulcerative Colitis, Ulcerative Colitis Chronic
DrugsEltrekibart·Mirikizumab
Eli Lilly and Company
Phase 2
143
Arizona, Arkansas, California, Colorado, Connecticut, Florida, Illinois, Louisiana
2024-10-10
Active, closed
The Effect of Retatrutide Once Weekly on Cardiovascular Outcomes and Kidney Outcomes in Adults Living With Obesity (TRIUMPH-Outcomes)
NCT06383390Atherosclerotic Cardiovascular Disease (ASCVD), Chronic Kidney Disease (CKD)
DrugRetatrutide
Eli Lilly and Company
Phase 3
10,000
Alabama, Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia
2024-04-30
Recruiting
A Study of Mirikizumab (LY3074828) in Pediatric Participants With Crohn's Disease
NCT05509777Crohn's Disease
DrugMirikizumab
Eli Lilly and Company
Phase 3
90
California, Connecticut, Georgia, Indiana, Massachusetts, New Jersey, New York, Ohio
2024-03-13
Active, closed
A Study to Investigate the Effect of Lepodisiran on the Reduction of Major Adverse Cardiovascular Events in Adults With Elevated Lipoprotein(a) - ACCLAIM-Lp(a)
NCT06292013Atherosclerotic Cardiovascular Disease (ASCVD), Elevated Lp(a)
DrugLepodisiran
Eli Lilly and Company
Phase 3
17,300
Alabama, Arizona, Arkansas, California, Colorado, Connecticut, District of Columbia, Florida
2024-03-05
Recruiting
A Study of First-Line Olomorasib (LY3537982) and Pembrolizumab With or Without Chemotherapy in Patients With Advanced KRAS G12C-Mutant Non-small Cell Lung Cancer
NCT06119581Carcinoma, Non-Small-Cell Lung, Neoplasm Metastasis
DrugsOlomorasib·Pemetrexed·Cisplatin·Carboplatin
Eli Lilly and Company
Phase 3
1,264
Alabama, Arizona, Arkansas, California, Colorado, Connecticut, District of Columbia, Florida
2023-12-21
Recruiting
A Master Protocol Study (LY900038) of Multiple Intervention-Specific-Appendices (ISAs) in Adult Participants With Obesity or Overweight
NCT06143956Obesity, Overweight
DrugsMacupatide·Eloralintide·Mazdutide·Tirzepatide
Eli Lilly and Company
Phase 2
1,481
Arizona, California, Connecticut, Florida, Hawaii, Idaho, Illinois, Iowa
2023-11-17
Active, closed
A Study of Investigational Tirzepatide (LY3298176) Doses in Participants With Type 2 Diabetes and Obesity
NCT06037252Type 2 Diabetes, Obesity
DrugTirzepatide
Eli Lilly and Company
Phase 2
414
Arizona, California, Colorado, Connecticut, Florida, Georgia, Illinois, Indiana
2023-09-21
Recruiting
First-in-Human Study of Tersolisib (STX-478) as Monotherapy and in Combination With Other Antineoplastic Agents in Participants With Advanced Solid Tumors
NCT05768139Breast Cancer, Solid Tumors, Adult
DrugsTersolisib·Imlunestrant·Tamoxifen·Exemestane
Eli Lilly and Company
Phase 1/2
880
California, Colorado, Connecticut, Florida, Georgia, Iowa, Louisiana, Massachusetts
2023-04-17
By invitation
A Study to Assess the Long-Term Safety and Efficacy of Lebrikizumab (LY3650150) in Participants 6 Months to <18 Years of Age With Moderate-to-Severe Atopic Dermatitis
NCT05735483Atopic Dermatitis, Eczema
DrugLebrikizumab
Eli Lilly and Company
Phase 3
333
Alabama, Arizona, Arkansas, California, Connecticut, Florida, Idaho, Illinois
2023-03-09
Recruiting
A Study of Baricitinib (LY3009104) in Children From 6 Years to Less Than 18 Years of Age With Alopecia Areata
NCT05723198Areata Alopecia, Alopecia, Hypotrichosis, Hair Diseases
DrugBaricitinib
Eli Lilly and Company
Phase 3
595
Alabama, Arizona, California, Connecticut, Florida, Georgia, Illinois, Indiana
2023-02-27
Active, closed
A Study of Lebrikizumab (LY3650150) in Participants 6 Months to <18 Years of Age With Moderate-to-Severe Atopic Dermatitis
NCT05559359Atopic Dermatitis, Eczema
DrugLebrikizumab
Eli Lilly and Company
Phase 3
377
Alabama, Arizona, Arkansas, California, Connecticut, Florida, Idaho, Illinois
2022-10-18
Active, closed
A Study of Tirzepatide (LY3298176) on the Reduction on Morbidity and Mortality in Adults With Obesity
NCT05556512Obesity, Overweight
DrugTirzepatide
Eli Lilly and Company
Phase 3
15,374
Arizona, Arkansas, California, Colorado, Connecticut, Florida, Georgia, Hawaii
2022-10-11
Active, closed
A Study of Imlunestrant Versus Standard Endocrine Therapy in Participants With Early Breast Cancer
NCT05514054Breast Neoplasms
DrugsImlunestrant·Tamoxifen·Exemestane·Anastrozole
Eli Lilly and Company
Phase 3
8,000
Alabama, Arizona, Arkansas, California, Colorado, Connecticut, District of Columbia, Florida
2022-10-04
Active, closed
A Study of Tirzepatide Compared With Intensified Conventional Care in Adult Participants With Type 2 Diabetes
NCT05433584Type 2 Diabetes
DrugTirzepatide
Eli Lilly and Company
Phase 4
780
Alabama, California, Connecticut, Florida, Georgia, Indiana, Iowa, Kentucky
2022-08-01
Active, closed
A Donanemab (LY3002813) Study in Participants With Preclinical Alzheimer's Disease (TRAILBLAZER-ALZ 3)
NCT05026866Alzheimer Disease
DrugDonanemab
Eli Lilly and Company
Phase 3
2,996
Alabama, Arizona, California, Colorado, Connecticut, Florida, Georgia, Idaho
2021-08-27
Active, closed
Study of LY3537982 in Cancer Patients With a Specific Genetic Mutation (KRAS G12C)
NCT04956640Carcinoma, Non-Small-Cell Lung, Colorectal Neoplasms, Endometrial Neoplasms, Ovarian Neoplasms
DrugsOlomorasib·Erbitux·Cetuximab·Pemetrexed
Eli Lilly and Company
Phase 1/2
540
Alabama, California, Connecticut, Florida, Indiana, Louisiana, Massachusetts, New Hampshire
2021-07-19
Recruiting
A Master Protocol (AMAZ): A Study of Mirikizumab (LY3074828) in Pediatric Participants With Ulcerative Colitis or Crohn's Disease (SHINE-ON)
NCT04844606Ulcerative Colitis, Ulcerative Colitis Chronic, Inflammatory Bowel Diseases, Crohn's Disease
DrugMirikizumab
Eli Lilly and Company
Phase 3
150
California, Connecticut, Georgia, Massachusetts, Missouri, New York, Pennsylvania, Texas
2021-05-26
Active, closed
A Long-term Extension Study of Mirikizumab (LY3074828) in Participants With Crohn's Disease
NCT04232553Crohn's Disease
DrugMirikizumab
Eli Lilly and Company
Phase 3
996
Alabama, Arizona, California, Connecticut, Florida, Georgia, Idaho, Indiana
2020-06-22
Active, closed
A Study of Donanemab (LY3002813) in Participants With Early Alzheimer's Disease (TRAILBLAZER-ALZ 2)
NCT04437511Alzheimer Disease
DrugDonanemab
Eli Lilly and Company
Phase 3
1,736
Arizona, Arkansas, California, Colorado, Connecticut, District of Columbia, Florida, Georgia
2020-06-19
Recruiting
A Master Protocol Study (LY900028) of Multiple Intervention-Specific-Appendices (ISAs) in Participants With Chronic Pain
NCT05986292Osteoarthritis, Knee, Diabetic Neuropathic Pain, Chronic Low-back Pain
Eli Lilly and Company
Phase 2
10,000
Alabama, Arizona, California, Connecticut, Florida, Georgia, Idaho, Illinois
2020-01-30
Active, closed
Endocrine Therapy With or Without Abemaciclib (LY2835219) Following Surgery in Participants With Breast Cancer
NCT03155997Breast Cancer
DrugAbemaciclib
Eli Lilly and Company
Phase 3
5,637
Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Florida
2017-07-12
Active, closed
A Study of Selpercatinib (LOXO-292) in Participants With Advanced Solid Tumors, RET Fusion-Positive Solid Tumors, and Medullary Thyroid Cancer (LIBRETTO-001)
NCT03157128Non-Small Cell Lung Cancer, Medullary Thyroid Cancer, Colon Cancer, Any Solid Tumor
DrugSelpercatinib
Eli Lilly and Company
Phase 1/2
857
Arizona, California, Colorado, Connecticut, Florida, Georgia, Illinois, Louisiana
2017-05-02
Active, closed
A Study of Health Care Use and Costs in Participants With Early Stage Alzheimer's Disease (AD)
NCT02951598Alzheimer Disease, Mild Cognitive Impairment
Eli Lilly and Company
Observational
1,400
California, Colorado, Connecticut, Florida, Georgia, Indiana, Kansas, Kentucky
2016-10-29
Active, closed
A Study of LY2784544 in Participants With Myeloproliferative Neoplasms
NCT01594723Neoplasms, Hematologic
Eli Lilly and Company
Phase 2
110
Arkansas, California, Connecticut, Florida, Illinois, Indiana, Kansas, Maryland
2012-05-22
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Priya Life Science (2026). Clinical trial register: industry-sponsored studies with a US investigative site, filtered. Derived from ClinicalTrials.gov. Retrieved 6 October 2026. https://priyalifescience.com/clinical-trials-usa/state/connecticut

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About this register

This register is built from ClinicalTrials.gov, the trial registry run by the U.S. National Library of Medicine. It includes every industry-sponsored study on the registry that lists at least one investigative site in the US and is recruiting, not yet recruiting, active but no longer recruiting, or enrolling by invitation: 9,118 studies in total at the last sync on 06 Oct 2026, 03:16 UTC. Academic and other non-industry sponsors are out of scope by design. The full list can be downloaded as CSV or queried as JSON through the register API.

This page shows the 58 of those studies with a site in Connecticut that also match the filters currently applied.

How many clinical trials are recruiting in Connecticut?

32 of the 58 studies on this page are recruiting new participants as of the 06 Oct 2026, 03:16 UTC sync. A further 2 have not yet opened recruitment, 23 are active but closed to new participants, and 1 are enrolling by invitation only. Eligibility for any study is decided by its study team.

Summary by phase

Studies by phase (Connecticut), 58 studies
PhaseStudiesRecruitingShare
Phase 3361762.1%
Phase 2141224.1%
Phase 1325.2%
Phase 1/2315.2%
Observational101.7%
Phase 4101.7%

Most active sponsors

Lead sponsors with the most studies (Connecticut)
Lead sponsorStudiesRecruiting
Eli Lilly and Company5832
Listing here is informational and not medical advice; eligibility is determined by each study team. Compare pay for the teams running these studies in the US Pharma Salary Guide, see who's behind them in the US Company Directory, or track approvals on the FDA Approvals Tracker. For Irish, UK and EU sites, see the Ireland, UK and EU registers.