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Breast Cancer clinical trials in Hartford, CT
9 studies for Breast Cancer are looking for participants at sites in and around Hartford (within about 30 miles). Open a study to see who can join and how to contact the study team.
Recruiting for a study here? Feature it at the top of this page — $99 for 30 days →
The CDK4/6 Inhibitor Dosing Knowledge (CDK) Study
RecruitingPhase 3
- Smilow Cancer Hospital at Saint Francis, Hartford
- Smilow Cancer Hospital at Glastonbury, Glastonbury · 5 mi away
Signatera-Guided CDK4/6 Inhibitor Therapy in Breast Cancer
Recruiting
- Hartford Healthcare Institute, Hartford
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
RecruitingPhase 3
- Hartford Hospital, Hartford
- Smilow Cancer Hospital Care Center at Saint Francis, Hartford
- Smilow Cancer Hospital Care Center at Glastonbury, Glastonbury · 5 mi away
- and 3 more
ATEMPT 2.0: Adjuvant T-DM1 vs TH
RecruitingPhase 2
- Smilow Cancer Hospital Care center at St. Francis, Hartford
- Smilow Cancer Hospital Care center at Glastonbury, Glastonbury · 5 mi away
Integrated Cancer Repository for Cancer Research
RecruitingObservational studyHealthy volunteers welcome
- Hartford HealthCare Cancer Institute at Manchester Medical Hospital, Manchester · 8 mi away
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.
RecruitingPhase 3
- Smilow Cancer Hospital at Saint Francis, Hartford
- Smilow Cancer Hospital - Glastonbury, Glastonbury · 5 mi away
De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)
RecruitingPhase 3
- Smilow Cancer Hospital Care Center at Saint Francis, Hartford
- Smilow Cancer Hospital Care Center at Glastonbury, Glastonbury · 5 mi away
Investigating the Effectiveness of Stereotactic Body Radiotherapy (SBRT) in Addition to Standard of Care Treatment for Cancer That Has Spread Beyond the Original Site of Disease
RecruitingPhase 2
- Hartford Healthcare, Hartford
SYNERGY-AI: Artificial Intelligence Based Precision Oncology Clinical Trial Matching and Registry
RecruitingObservational study
- Massive Bio SYNERGY-AI site, Hartford
About Breast Cancer
Breast cancer is a cancer that starts in the breast tissue, when cells change and grow out of control. These extra cells can form a mass called a tumor.
More about Breast Cancer on MedlinePlus
Breast Cancer trials in other cities
- New York City, NY136 studies
- Houston, TX126 studies
- Boston, MA112 studies
- Nashville, TN81 studies
- Los Angeles, CA73 studies
- Edison, NJ68 studies
- St. Louis, MO64 studies
- Queens, NY64 studies
- Durham, NC64 studies
- Chicago, IL59 studies
- Philadelphia, PA56 studies
- Dallas, TX55 studies
Other studies in Hartford
- Non-Small Cell Lung Cancer12 studies
- Lung Cancer11 studies
- Major Depressive Disorder9 studies
- Cancer (all types)9 studies
- Neuroblastoma8 studies
- Multiple Myeloma7 studies
- Heart Failure7 studies
- Prostate Cancer7 studies
- Ovarian Cancer7 studies
- Cardiovascular Disease7 studies
- Pancreatic Cancer7 studies
- Endometrial Cancer5 studies
From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.