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Breast Cancer clinical trials in New London, CT

4 studies for Breast Cancer are looking for participants at sites in and around New London (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 - Waterford, Waterford · 2 mi away
  • Smilow Cancer Hospital - Westerly, Westerly · 14 mi away
Ages 60 and older · All sexes · Updated Sep 25, 2026 · NCT06377852

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
  • Smilow Cancer Hospital Care Center - Waterford, Waterford · 2 mi away
  • Smilow Cancer Hospital Care Center - Westerly, Westerly · 14 mi away
Ages 18 to 60 · Women · Updated Sep 2, 2026 · NCT05879926

ATEMPT 2.0: Adjuvant T-DM1 vs TH

RecruitingPhase 2
  • Smilow Cancer Hospital Care center at Waterford, Waterford · 2 mi away
  • Smilow Cancer Hospital Care center at Westerly, Westerly · 14 mi away
Ages 18 and older · All sexes · Updated Aug 19, 2026 · NCT04893109

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 - Waterford, Waterford · 2 mi away
  • Smilow Cancer Hospital Care Center - Westerly, Westerly · 14 mi away
Ages 50 to 70 · All sexes · Updated Apr 23, 2026 · NCT04852887

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

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Other studies in New London

From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.