CancerDrs

Breast Cancer clinical trials in Connecticut

29 actively recruiting breast cancer trials at 17 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

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
Phase 3 Recruiting Academic/Other

ShortStop-HER2: 12 Months vs. 6 Months of HER2-targeted Medications for People With HER2+ Breast Cancer Who Had a Pathologic Complete Response After Chemotherapy Plus Trastuzumab

This phase III trial compares 6 months of human epidermal growth factor receptor 2 (HER2)-targeted therapy to 12 months of HER2-targeted therapy for the treatment of HER2-positive (+) breast cancer in patients that had a pathologic complet…

Sponsor: Alliance for Clinical Trials in Oncology
NCT ID: NCT06876714
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
Phase 3 Recruiting Academic/Other

The CDK4/6 Inhibitor Dosing Knowledge (CDK) Study

The purpose of this study is to generate evidence on an alternative dosing strategy for CDK4/6 inhibitors to help more patients with Metastatic Breast Cancer (MBC) (age ≥ 65 years) tolerate side effects and stay on treatment longer, to der…

Sponsor: American Society of Clinical Oncology
NCT ID: NCT06377852
Sites in Connecticut:
  • Smilow Cancer Hospital Care Center - Derby — Derby, Connecticut
  • Smilow Cancer Hospital Care Center - Fairfield — Fairfield, Connecticut
  • Smilow Cancer Hospital at Glastonbury — Glastonbury, Connecticut
  • Smilow Cancer Hospital Care Center - Greenwich — Greenwich, Connecticut
  • Smilow Cancer Hospital Care Center - Guilford — Guilford, Connecticut
Phase 3 Recruiting Industry

A Phase III Study of Dato-DXd With or Without Durvalumab Compared With Investigator's Choice of Chemotherapy in Combination With Pembrolizumab in Patients With PD-L1 Positive Locally Recurrent Inoperable or Metastatic Triple-negative Breast Cancer (TROPION-Breast05)

This is a Phase III, randomised, open-label, 3-arm, multicentre, international study assessing the efficacy and safety of Dato-DXd with or without durvalumab compared with investigator's choice chemotherapy in combination with pembrolizuma…

Sponsor: AstraZeneca
NCT ID: NCT06103864
Sites in Connecticut:
  • Research Site — New Haven, Connecticut
Phase 3 Recruiting Industry

Capivasertib + CDK4/6i + Fulvestrant for Advanced/Metastatic HR+/HER2- Breast Cancer (CAPItello-292)

A Phase Ib/III Open-label, Randomised Study of Capivasertib plus CDK4/6 Inhibitors and Fulvestrant versus CDK4/6 Inhibitors and Fulvestrant in Hormone Receptor-Positive and Human Epidermal Growth Factor Receptor 2-Negative Locally Advanced…

Sponsor: AstraZeneca
NCT ID: NCT04862663
Sites in Connecticut:
  • Research Site — New Haven, Connecticut
Phase 3 Recruiting Industry

Phase 3 Study to Evaluate the Efficacy and Safety of HER2/Neu Peptide GLSI-100 (GP2 + GM-CSF) in HER2/Neu Positive Subjects

This is a prospective, randomized, double-blinded, placebo-controlled, multi-center, Phase 3 study of GLSI-100 immunotherapy in HLA-A\*02 positive and HER2/neu positive subjects who are at high risk for disease recurrence and have complete…

Sponsor: Greenwich LifeSciences, Inc.
NCT ID: NCT05232916
Sites in Connecticut:
  • Yale Cancer Center - Smilow Cancer Hospital — New Haven, Connecticut
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
Phase 1, Phase 2 Recruiting Industry

A Study of Disitamab Vedotin in Adults With HER2 Expressing Advanced Breast Cancer

The purpose of this clinical study is to learn about the safety and effects of the study medicine (called disitamab vedotin) for the possible treatment of people with breast cancer that is hard to treat and has spread in the body (advanced…

Sponsor: Pfizer
NCT ID: NCT06966453
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
Phase 2 Recruiting Academic/Other

I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer

The purpose of this study is to further advance the ability to practice personalized medicine by learning which new drug agents are most effective with which types of breast cancer tumors and by learning more about which early indicators o…

Sponsor: QuantumLeap Healthcare Collaborative
NCT ID: NCT01042379
Sites in Connecticut:
  • Yale Cancer Center — New Haven, Connecticut
Phase 1, Phase 2 Recruiting Industry

Beamion BCGC-1: A Study to Find a Suitable Dose of Zongertinib Used Alone and in Combination With Other Treatments to Test Whether it Helps People With Different Types of HER2+ Cancer That Has Spread

This study is open to adults aged 18 years and older with different types of HER2+ cancer that has spread and cannot be removed by surgery. People can take part in this study if their tumours show HER2 aberrations and previous treatment wa…

Sponsor: Boehringer Ingelheim
NCT ID: NCT06324357
Sites in Connecticut:
  • Yale University School of Medicine — New Haven, Connecticut
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
Phase 2 Recruiting Industry

Study of PF-07248144 in Advanced or Metastatic Solid Tumors

This is an open-label, multi center study to evaluate safety, tolerability, pharmacokinetics (PK), and pharmacodynamics (PD) of PF-07248144 and early signs of clinical efficacy of PF-07248144 as a single agent and in combination with other…

Sponsor: Pfizer
NCT ID: NCT04606446
Sites in Connecticut:
  • Smilow Cancer Hospital at Yale - New Haven — New Haven, Connecticut
  • Yale-New Haven Hospital- Yale Cancer Center — New Haven, Connecticut
  • Smilow Cancer Hospital Phase 1 Unit — New Haven, Connecticut
  • Yale University — New Haven, Connecticut
Phase 1, Phase 2 Recruiting Industry

ORION-1: Study of AVZO-023 as a Single Agent and in Combination With AVZO-021, and/or Endocrine Therapy in Advanced Solid Tumors

This study, the first clinical trial of AVZO-023, aims to determine the safety, tolerability, pharmacokinetics (PK), pharmacodynamics, maximum tolerated dose, and anti-tumor effects of AVZO-023 in patients with advanced solid tumors. AVZO-…

Sponsor: Avenzo Therapeutics, Inc.
NCT ID: NCT06998407
Sites in Connecticut:
  • Avenzo Therapeutics Recruiting Site — New Haven, Connecticut
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
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
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
Phase 2 Recruiting Academic/Other

FLASH-Breast: Evaluating the Efficacy of Fezolinetant in Reducing Vasomotor Symptoms in Women With Breast Cancer on Endocrine Therapy

This is a phase II, randomized, double-blinded, placebo-controlled trial designed to evaluate the efficacy of fezolinetant (45 mg a day) vs. placebo in reducing moderate to severe vasomotor symptoms (VMS) in breast cancer survivors on endo…

Sponsor: Yale University
NCT ID: NCT06917313
Sites in Connecticut:
  • Yale University — New Haven, Connecticut
Phase 2 Recruiting Academic/Other

Impact of Omitting Chemo Based on Patient's Selection for ER-Positive, HER2-Negative Breast Cancer With Ribociclib and Endocrine Therapy

This is a Phase II, two-arm, single center, patient preference study designed to evaluate the impact of omitting adjuvant chemotherapy in moderate to high-anatomical risk, low-genomic risk (men or premenopausal women T2-3N0 and RS 16-25, o…

Sponsor: Yale University
NCT ID: NCT06953882
Sites in Connecticut:
  • Yale University — New Haven, Connecticut
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
Phase 1 Recruiting Industry

BAL0891 in Patients With Advanced Solid Tumors or Relapsed or Refractory Acute Myeloid Leukemia

This study is a multiple cohort, multicenter, open-label Phase 1 study with dose-escalation substudies investigating intravenous (IV) BAL0891 as monotherapy, and in combination with tislelizumab or paclitaxel, to determine the safety and t…

Sponsor: SillaJen, Inc.
NCT ID: NCT05768932
Sites in Connecticut:
  • Yale New Haven Hospital — New Haven, Connecticut
Recruiting Academic/Other

Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection

This study collects blood and tissue samples from patients with cancer and without cancer to evaluate tests for early cancer detection. Collecting and storing samples of blood and tissue from patients with and without cancer to study in th…

Sponsor: Alliance for Clinical Trials in Oncology
NCT ID: NCT05334069
Sites in Connecticut:
  • Veterans Affairs Connecticut Healthcare System-West Haven Campus — West Haven, Connecticut
Recruiting Industry

SYNERGY-AI: Artificial Intelligence Based Precision Oncology Clinical Trial Matching and Registry

International registry for cancer patients evaluating the feasibility and clinical utility of an Artificial Intelligence-based precision oncology clinical trial matching tool, powered by a virtual tumor boards (VTB) program, and its clinic…

Sponsor: Massive Bio, Inc.
NCT ID: NCT03452774
Sites in Connecticut:
  • Massive Bio SYNERGY-AI site — Hartford, Connecticut
  • Massive Bio SYNERGY-AI site — Norwalk, Connecticut

Showing 25 of 29 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: 2026-07-07