Home › Breast Cancer › District of Columbia
Breast Cancer clinical trials in District of Columbia
28 studies for Breast Cancer are looking for participants at sites in District of Columbia.
Cities in District of Columbia
Phase 3 Study of RLY-2608 + Fulvestrant vs Capivasertib + Fulvestrant as Treatment for Locally Advanced or Metastatic PIK3CA-mutant HR+/HER2- Breast Cancer
- Georgetown University Medical Center, Washington D.C.
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Oct 5, 2026 · NCT06982521Phase IIIb Study of Ribociclib + ET in Early Breast Cancer
- Georgetown University Lombardi Cancer Center, Washington D.C.
RecruitingPhase 3
Ages 18 to 100 · All sexes · Updated Oct 2, 2026 · NCT05827081Collecting Blood Samples From Patients With and Without Cancer to Evaluate Tests for Early Cancer Detection
- MedStar Georgetown University Hospital, Washington D.C.
- MedStar Washington Hospital Center, Washington D.C.
RecruitingObservational studyHealthy volunteers welcome
Ages 40 to 75 · All sexes · Updated Oct 2, 2026 · NCT05334069Older Breast Cancer Patients: Risk for Cognitive Decline
- Georgetown University, Washington D.C.
RecruitingObservational studyHealthy volunteers welcome
Ages 60 to 105 · Women · Updated Sep 28, 2026 · NCT03451383ASPEN-09-03: A Study of Evorpacept in Combination With Trastuzumab and Chemotherapy in Metastatic HER2-Positive Breast Cancer
- The George Washington Medical facility Associates, Washington D.C.
RecruitingPhase 2
Ages 18 and older · All sexes · Updated Sep 25, 2026 · NCT07007559A Study of Tersolisib (LY4064809/STX-478) With Other Anti-Cancer Treatments in Participants With Advanced Breast Cancer With a Genetic Change (PIK3CA)
- MedStar Washington Hospital Center, Washington D.C.
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 22, 2026 · NCT07174336A Study to Evaluate the Efficacy and Safety of Inavolisib in Combination With Phesgo Versus Placebo in Combination With Phesgo in Participants With PIK3CA-Mutated HER2-Positive Locally Advanced or Metastatic Breast Cancer
- Georgetown Uni Hospital, Washington D.C.
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 21, 2026 · NCT05894239Identifying Patterns in the Breath of Individuals With Breast Cancer
- GW Comprehensive Breast Center, Washington D.C.
RecruitingObservational studyHealthy volunteers welcome
Ages 40 to 74 · Women · Updated Sep 18, 2026 · NCT06512350A Study of Elacestrant Versus Standard Endocrine Therapy in Women and Men With ER+,HER2-, Early Breast Cancer With High Risk of Recurrence
- Georgetown University Medical Center, Washington D.C.
- MedStar Washington Hospital Center, Washington D.C.
- Sibley Memorial Hospital, Washington D.C.
- and 1 more
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Sep 15, 2026 · NCT06492616A Trial to Evaluate Ovarian Suppression Following Subcutaneous ZOLADEX 10.8 mg in Premenopausal Women With Early-stage and Advanced HR+ Breast Cancer
- MedStar Heart & Vascular Institute (MHVI) - MedStar Washington Hospital Center, Washington D.C.
RecruitingPhase 1
Ages 18 to 55 · Women · Updated Sep 9, 2026 · NCT07310420Study of ORIC-114 in Patients With Advanced Solid Tumors Harboring an EGFR or HER2 Alteration
- Georgetown University, Washington D.C.
RecruitingPhase 1/2
Ages 18 and older · All sexes · Updated Sep 4, 2026 · NCT05315700Evaluating 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
- Kaiser Permanente-Capitol Hill Medical Center, Washington D.C.
- MedStar Georgetown University Hospital, Washington D.C.
- MedStar Washington Hospital Center, Washington D.C.
- and 2 more
RecruitingPhase 3
Ages 18 to 60 · Women · Updated Sep 2, 2026 · NCT05879926TReatment of ADC-Refractory Breast CancEr With Dato-DXd or T-DXd: TRADE DXd
- Georgetown University Medical Center, Washington D.C.
RecruitingPhase 2
Ages 18 and older · All sexes · Updated Aug 26, 2026 · NCT06533826Gut Microbiome, Adverse Effects, and Markers Through MEtabolic Reprogramming
- Sibley Memorial Hospital, Washington D.C.
Recruiting
Ages 18 and older · Women · Updated Aug 21, 2026 · NCT06536881Testing Proton Craniospinal Radiation Therapy Versus the Usual Radiation Therapy for Leptomeningeal Metastasis, RADIATE-LM Trial
- Sibley Memorial Hospital, Washington D.C.
RecruitingPhase 3
Ages 18 and older · All sexes · Updated Aug 17, 2026 · NCT06500481Phase 3 Study to Evaluate the Efficacy and Safety of HER2/Neu Peptide GLSI-100 (GP2 + GM-CSF) in HER2/Neu Positive Subjects
- Johns Hopkins Medicine - Kimmel Cancer Center-Sibley Memorial Hospital, Washington D.C.
RecruitingPhase 3
Ages 18 to 100 · All sexes · Updated Aug 6, 2026 · NCT05232916E-Mindfulness Approaches for Living After Breast Cancer
- Kaiser Permanente-Capitol Hill Medical Center, Washington D.C.
- MedStar Georgetown University Hospital, Washington D.C.
- MedStar Washington Hospital Center, Washington D.C.
RecruitingPhase 3
Ages 18 to 50 · All sexes · Updated Aug 4, 2026 · NCT06748222I-SPY TRIAL: Neoadjuvant and Personalized Adaptive Novel Agents to Treat Breast Cancer
- Georgetown University Medical Center, Washington D.C.
RecruitingPhase 2
Ages 18 and older · All sexes · Updated May 6, 2026 · NCT01042379A 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.
- MedStar Washington Hospital Center, Washington D.C.
RecruitingPhase 3
Ages 18 and older · All sexes · Updated May 6, 2026 · NCT07062965De-Escalation of Breast Radiation Trial for Hormone Sensitive, HER-2 Negative, Oncotype Recurrence Score Less Than or Equal to 18 Breast Cancer (DEBRA)
- MedStar Georgetown University Hospital, Washington D.C.
- MedStar Washington Hospital Center, Washington D.C.
- George Washington University Medical Center, Washington D.C.
RecruitingPhase 3
Ages 50 to 70 · All sexes · Updated Apr 23, 2026 · NCT04852887Cancer Experience Registry (CER) for Cancer Patients and Caregivers
- Cancer Support Community Research & Training Institute, Washington D.C.
RecruitingObservational studyHealthy volunteers welcome
Ages 18 and older · All sexes · Updated Apr 23, 2026 · NCT02333604Avelumab or Hydroxychloroquine With or Without Palbociclib to Eliminate Dormant Breast Cancer
- Georgetown University, Washington D.C.
RecruitingPhase 2
Ages 18 and older · All sexes · Updated Apr 9, 2026 · NCT04841148Predicting Response to Neoadjuvant Endocrine Therapy (Neo-PREDICT)
- George Washington-Medical Faculty Associates, Washington D.C.
RecruitingPhase 2
Ages 21 and older · All sexes · Updated Mar 3, 2026 · NCT06806930The Effects of Treating Insomnia on Behavioral Weight Loss Outcomes in Survivors of Breast Cancer
- Sibley Memorial Hospital, Washington D.C.
Recruiting
Ages 18 and older · Women · Updated Feb 23, 2026 · NCT05780814Study in Patients With Breast Cancer Leptomeningeal Metastasis
- Sibley Memorial Hospital, Washington D.C.
RecruitingObservational study
18 Weeks · All sexes · Updated Nov 28, 2025 · NCT06638294The FYI on MRI: A Multilevel Decision Support Intervention for Screening Breast MRI
- Georgetown University, Washington D.C.
Recruiting
Ages 18 to 74 · Women · Updated Sep 30, 2025 · NCT06892275CONTIGO - A Narrative Intervention to Enhance Genetic Counseling and Testing
- Georgetown Lombardi Comprehensive Cancer Center, Washington D.C.
RecruitingHealthy volunteers welcome
Ages 18 and older · Women · Updated Aug 28, 2025 · NCT05130606CtDNA Based MRD Testing for NAC Monitoring in TNBC
- George Washington University, Washington D.C.
RecruitingObservational study
Ages 18 and older · Women · Updated Jan 7, 2025 · NCT06230185From ClinicalTrials.gov, data retrieved Oct 6, 2026. Each study sets its own eligibility; the study team decides who can join.