CancerDrs

Breast Cancer clinical trials in Connecticut

37 actively recruiting breast cancer trials at 26 sites across Connecticut.

Data from ClinicalTrials.gov · last refreshed

Payments from drug makers to the doctors running these trials

For 1 of the trials on this page, the pharmaceutical company funding the trial also disclosed payments to the physicians leading it — public data from the federal CMS Open Payments database. Paying clinical-trial investigators for site work is expected and necessary for industry-funded trials; the scale and source are simply useful context when you're deciding whether to enroll. See the full breast cancer transparency page →

Phase 3 Recruiting Academic/Other

Evaluating the Addition of Adjuvant Chemotherapy to Ovarian Function Suppression Plus Endocrine Therapy in Premenopausal Patients With pN0-1, ER-Positive/HER2-Negative Breast Cancer and an Oncotype Recurrence Score Less Than or Equal to 25

This Phase III Trial will determine whether adjuvant chemotherapy (ACT) added to ovarian function suppression (OFS) plus endocrine therapy (ET) is superior to OFS plus ET in improving invasive breast cancer-free survival (IBCFS) among prem…

Sponsor: NRG Oncology
NCT ID: NCT05879926
Sites in Connecticut:
  • Hartford HealthCare - Avon — Avon, Connecticut
  • Hartford HealthCare - Saint Vincent's Medical Center — Bridgeport, Connecticut
  • Danbury Hospital — Danbury, Connecticut
  • Smilow Cancer Hospital-Derby Care Center — Derby, Connecticut
  • Smilow Cancer Hospital Care Center-Fairfield — Fairfield, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Network

Shorter Chemo-Immunotherapy Without Anthracycline Drugs for Early-Stage Triple Negative Breast Cancer

This phase III trial compares the effects of shorter chemotherapy (chemo)-immunotherapy without anthracyclines to usual chemo-immunotherapy for the treatment of early-stage triple negative breast cancer. Paclitaxel is in a class of medicat…

Sponsor: SWOG Cancer Research Network
NCT ID: NCT05929768
Sites in Connecticut:
  • Hartford HealthCare - Avon — Avon, Connecticut
  • Hartford HealthCare - Saint Vincent's Medical Center — Bridgeport, Connecticut
  • Danbury Hospital — Danbury, Connecticut
  • Smilow Cancer Hospital-Derby Care Center — Derby, Connecticut
  • Hartford Healthcare - Fairfield — Fairfield, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Academic/Other

Pembrolizumab vs. Observation in People With Triple-negative Breast Cancer Who Had a Pathologic Complete Response After Chemotherapy Plus Pembrolizumab

This phase III trial compares the effect of continuation of treatment with pembrolizumab (usual approach) to observation only at preventing cancer from coming back in patients with early-stage triple-negative breast cancer (TNBC) who achie…

Sponsor: Alliance for Clinical Trials in Oncology
NCT ID: NCT05812807
Sites in Connecticut:
  • Hartford HealthCare - Saint Vincent's Medical Center — Bridgeport, Connecticut
  • Danbury Hospital — Danbury, Connecticut
  • Smilow Cancer Hospital-Derby Care Center — Derby, Connecticut
  • Smilow Cancer Hospital Care Center-Fairfield — Fairfield, Connecticut
  • Smilow Cancer Hospital Care Center at Glastonbury — Glastonbury, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Academic/Other

De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)

This Phase III Trial evaluates whether breast conservation surgery and endocrine therapy results in a non-inferior rate of invasive or non-invasive ipsilateral breast tumor recurrence (IBTR) compared to breast conservation with breast radi…

Sponsor: NRG Oncology
NCT ID: NCT04852887
Sites in Connecticut:
  • Smilow Cancer Hospital-Derby Care Center — Derby, Connecticut
  • Smilow Cancer Hospital Care Center-Fairfield — Fairfield, Connecticut
  • Smilow Cancer Hospital Care Center at Glastonbury — Glastonbury, Connecticut
  • Smilow Cancer Hospital Care Center at Greenwich — Greenwich, Connecticut
  • Smilow Cancer Hospital Care Center - Guilford — Guilford, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Network

S1501 Dual Observational and Randomized Cohort Study of Patients With Metastatic HER-2+ Breast Cancer at Risk of Cardiac Toxicity

This trial has two cohorts of patients with human epidermal growth factor receptor (HER)-2-positive breast cancer that has spread to other places in the body. All patients must be receiving trastuzumab-based treatment. Both cohorts are bei…

Sponsor: SWOG Cancer Research Network
NCT ID: NCT03418961
Sites in Connecticut:
  • Middlesex Hospital — Middletown, Connecticut
  • Stamford Hospital/Bennett Cancer Center — Stamford, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Academic/Other

E-Mindfulness Approaches for Living After Breast Cancer

NRG-CC015 is a prospective, randomized phase III clinical trial to evaluate the efficacy of two distinct digital approaches for delivering a mindfulness-based intervention: a live, instructor-led version delivered over Zoom (MAPs LO), and …

Sponsor: NRG Oncology
NCT ID: NCT06748222
Sites in Connecticut:
  • Stamford Hospital/Bennett Cancer Center — Stamford, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting NIH

Testing Whether Hormone Therapy With Ribociclib is as Effective as Chemotherapy Followed by Hormone Therapy With Ribociclib for the Treatment of High Anatomic Stage Breast Cancer With Low Recurrence Risk, The RxFINE-Low Trial

This phase III trial compares standard of care hormone therapy plus ribociclib to chemotherapy followed by hormone therapy plus ribociclib for the treatment of patients with high anatomic stage breast cancer with low risk of the cancer ret…

Sponsor: National Cancer Institute (NCI)
NCT ID: NCT07391774
Sites in Connecticut:
  • Stamford Hospital/Bennett Cancer Center — Stamford, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

A Study of Elacestrant Versus Standard Endocrine Therapy in Women and Men With ER+,HER2-, Early Breast Cancer With High Risk of Recurrence

The primary goal of this study is to evaluate the effectiveness of elacestrant versus standard endocrine therapy in participants with node-positive, Estrogen Receptor-positive (ER+), Human Epidermal Growth Factor-2 negative (HER2-) early b…

Sponsor: Stemline Therapeutics, Inc.
NCT ID: NCT06492616
Sites in Connecticut:
  • Yale New Haven Hospital- Yale Cancer Center — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

A Study of Tersolisib (LY4064809/STX-478) With Other Anti-Cancer Treatments in Participants With Advanced Breast Cancer With a Genetic Change (PIK3CA)

The purpose of the study is to assess the efficacy and safety of the addition of Tersolisib (LY4064809/STX-478) to other anti-cancer drugs as first treatment for advanced hormone receptor-positive (HR+)/human epidermal growth factor recept…

Sponsor: Eli Lilly and Company
NCT ID: NCT07174336
Sites in Connecticut:
  • UConn Health — Farmington, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

A Study to Learn About the Study Medicine Called PF-07248144 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment.

The purpose of this study is to learn about the safety and effects of the study medicine PF-07248144 when given along with fulvestrant for the possible treatment of HR-positive, HER2-negative advanced or metastatic breast cancer. HR-positi…

Sponsor: Pfizer
NCT ID: NCT07062965
Sites in Connecticut:
  • Smilow Cancer Hospital - Derby — Derby, Connecticut
  • Smilow Cancer Hospital - Fairfield — Fairfield, Connecticut
  • Smilow Cancer Hospital - Glastonbury — Glastonbury, Connecticut
  • Smilow Cancer Hospital - Greenwich — Greenwich, Connecticut
  • Smilow Cancer Hospital - Guilford — Guilford, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

Study of the Bria-IMT Regimen and CPI vs Physicians' Choice in Advanced Metastatic Breast Cancer.

This is a multicenter randomized, open label study to evaluate overall survival with the Bria-IMT regimen in combination with Checkpoint Inhibitor \[Retifanlimab\], versus Treatment of Patients'/Physicians' Choice (TPC) in advanced metasta…

Sponsor: BriaCell Therapeutics Corporation
NCT ID: NCT06072612
Sites in Connecticut:
  • Smilow Cancer Hospital at Yale New Haven — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

Palazestrant in Combination With Ribociclib for the First-line Treatment of ER+/HER2- Advanced Breast Cancer

This phase 3 clinical trial compares the efficacy and safety of palazestrant with ribociclib to letrozole and ribociclib in women and men who have not received prior systemic anti-cancer treatment for advanced breast cancer.

Sponsor: Olema Pharmaceuticals, Inc.
NCT ID: NCT07085767
Sites in Connecticut:
  • Clinical Trial Site — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Industry

Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+/HER2- Breast Cancer

This is a global, multicenter, open-label, randomized Phase 3 study comparing the efficacy and safety of RLY-2608 (zovegalisib) + fulvestrant to capivasertib + fulvestrant for the treatment of patients with HR+/HER2- ABC with PIK3CA mutati…

Sponsor: Relay Therapeutics, Inc.
NCT ID: NCT06982521
Sites in Connecticut:
  • Yale-New Haven Hospital-Yale Cancer Center — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 3 Recruiting Academic/Other

The Cancer of the Pancreas Screening-5 CAPS5)Study

Johns Hopkins clinical research office quality assurance group will monitor and audit this study at Johns Hopkins. The Sub Investigator at each site will be responsible for internal monitoring at their site.

Sponsor: Johns Hopkins University
NCT ID: NCT02000089
Sites in Connecticut:
  • Yale University — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 2 Recruiting Academic/Other

ATEMPT 2.0: Adjuvant T-DM1 vs TH

This research study is studying how well newly diagnosed breast cancer that has tested positive for a protein called HER2 responds using one of two different combination of HER2-directed therapies as a treatment after surgery. The name of …

Sponsor: Dana-Farber Cancer Institute
NCT ID: NCT04893109
Sites in Connecticut:
  • Smilow Cancer Hospital Care center at Derby — Derby, Connecticut
  • Smilow Cancer Hospital Care center at Fairfield — Fairfield, Connecticut
  • Smilow Cancer Hospital Care center at Glastonbury — Glastonbury, Connecticut
  • Smilow Cancer Hospital Care center at Greenwich — Greenwich, Connecticut
  • Smilow Cancer Hospital Care center at Guilford — Guilford, Connecticut
View on ClinicalTrials.gov →
Phase 2 Recruiting Industry

A Study of Alisertib in Combination With Endocrine Therapy in Patients With HR-positive, HER2-negative Recurrent or Metastatic Breast Cancer

PUMA-ALI-1201 is a randomized, dose optimization, multicenter, Phase 2 study of alisertib administered in combination with endocrine therapy in participants with pathology-confirmed HR-positive/HER2-negative metastatic breast cancer (MBC) …

Sponsor: Puma Biotechnology, Inc.
NCT ID: NCT06369285
Sites in Connecticut:
  • Yale University, Yale Cancer Center — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 1, Phase 2 Recruiting Industry

First-in-Human Study of Tersolisib (STX-478) as Monotherapy and in Combination With Other Antineoplastic Agents in Participants With Advanced Solid Tumors

Study STX-478-101 (LY4064809) is a multipart, open-label, phase 1/2 study evaluating the safety, tolerability, pharmacokinetics (PK), and preliminary antitumor activity of STX-478 (LY4064809) in participants with advanced solid tumors with…

Sponsor: Eli Lilly and Company
NCT ID: NCT05768139
Sites in Connecticut:
  • Yale-New Haven Hospital — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 1, Phase 2 Recruiting Industry

A Study of PARG Inhibitor ETX-19477 in Patients With Advanced Solid Malignancies

This is a two-part, open-label, multicenter, dose escalation and dose expansion study designed to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics (PDx), and anti- tumor activity of ETX-19477, a novel reversible s…

Sponsor: 858 Therapeutics, Inc.
NCT ID: NCT06395519
Sites in Connecticut:
  • Yale University, Yale Cancer Center — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 2 Recruiting Academic/Other

Circulating Tumor DNA

This is a single-arm, phase II study examining elacestrant in the adjuvant treatment of patients with ER+ breast cancer who test positive for circulating tumor DNA (ctDNA) during the screening period of the trial. Our trial will proceed in…

Sponsor: Yale University
NCT ID: NCT06923527
Sites in Connecticut:
  • Yale University — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 2 Recruiting Academic/Other

Trial of Trastuzumab Deruxtecan in Previously Treated HER2

The purpose of this study is to test the good and bad effects of a drug called trastuzumab deruxtecan (T-DXd) in adult patients with metastatic HER2-negative breast cancer and which patients might benefit the most from T-DXd.

Sponsor: Yale University
NCT ID: NCT06750484
Sites in Connecticut:
  • Yale University — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 2 Recruiting Academic/Other

DAANCE FOR CHEMOTHERAPY-INDUCED NEUROPATHY

Up to 80% of breast cancer survivors experience chemotherapy-induced neuropathy that impairs quality of life and increases fall risk long into survivorship, yet treatment options for neuropathy remain limited. The successful treatment will…

Sponsor: Ohio State University Comprehensive Cancer Center
NCT ID: NCT06749210
Sites in Connecticut:
  • Yale University — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 2 Recruiting Academic/Other

Rash & Diarrhea Prophylaxis With Capivasertib

This is a randomized, multicenter, phase II clinical trial evaluating prophylactic strategies to mitigate common toxicities associated with capivasertib in combination with fulvestrant in participants with hormone receptor-positive (HR+), …

Sponsor: Maryam Lustberg
NCT ID: NCT07426822
Sites in Connecticut:
  • Yale University — New Haven, Connecticut
View on ClinicalTrials.gov →
Phase 1 Recruiting Industry

First-in-Human Study of Mutant-selective PI3Kα Inhibitor, RLY-2608, as a Single Agent in Patients With Advanced Solid Tumors and in Combination With Endocrine Therapy +/- a CDK4/6 or CDK4 Inhibitor in Patients With Advanced Solid Tumors or Advanced Breast Cancer

This is an open-label, FIH study designed to evaluate the maximum tolerated dose, recommended Phase 2 dose, safety, tolerability, PK, pharmacodynamics, and preliminary antineoplastic activity of RLY-2608, in advanced solid tumor patients w…

Sponsor: Relay Therapeutics, Inc.
NCT ID: NCT05216432
Sites in Connecticut:
  • Yale University — New Haven, Connecticut
View on ClinicalTrials.gov →

Showing 25 of 37 trials with sites in Connecticut. See all breast cancer trials →

Medical disclaimer: This page aggregates public ClinicalTrials.gov data. It is not medical advice. Always confirm eligibility and enrollment details with the trial site or your oncologist.

Source: ClinicalTrials.gov API v2 · Last checked: 2026-10-19