15 Breast Cancer Clinical Trials in Fairfax, VA (2026)

Q: How do I join a clinical trial in Fairfax?

Browse available studies, click one that interests you, and complete the free eligibility form. A study coordinator at the Fairfax research site will contact you.

Recruiting Breast Cancer Studies in Fairfax

NCT06507618Recruiting

Pre-Operative Window of ET to Inform RT Decisions (POWER II)

This is a Phase III, multisite exploratory study for women ≥ 65 years of age with early stage estrogen receptor positive (ER+) breast cancer. These individuals will be treated randomly assigned to one...

Fairfax, VAPHASE3354 participantsUniversity of Virginia

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NCT05856773Recruiting

Conventionally Fractionated vs. Hypofractionated Comprehensive Nodal Irradiation for Breast Cancer Using Pencil Beam Scanning Proton Therapy

The purpose of this research study is to learn more about the effects of using proton radiation therapy delivered over a shorter course of treatment (3 weeks) compared with a longer, standard course o...

Fairfax, VAPHASE3276 participantsProton Collaborative Group

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NCT05683418Recruiting

A Study to Evaluate the Safety and Tolerability of TOS-358 in Women With HR+ HER2- Breast Cancer

The goal of this clinical trial is to evaluate the safety and efficacy of TOS-358 in women with HR+ HER2- metastatic breast cancer whose tumors have a mutation in PIK3CA and who meet all other study e...

Fairfax, VAPHASE1241 participantsTotus Medicines

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NCT06993844Recruiting

Phase 1/2 Study of ETX-636 in Participants With Advanced Solid Tumors

Phase 1/2, open-label study of ETX-636 in participants with advanced solid tumors...

Fairfax, VAPHASE1233 participantsEnsem Therapeutics

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NCT06022029Recruiting

A Dose Escalation and Dose Expansion Study of Intratumoral ONM-501 Alone and in Combination With Cemiplimab in Patients With Advanced Solid Tumors and Lymphomas.

A phase 1, multicenter, open label, non-randomized dose escalation and dose expansion study to examine the maximum tolerated dose, (MTD), minimum effective dose (MED) and/or recommended dose for expan...

Fairfax, VAPHASE1168 participantsOncoNano Medicine, Inc.

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NCT07540572Recruiting

A Study to Investigate the Safety, Pharmacokinetics, and Preliminary Efficacy of IDE574 Therapy in Adult Participants With Advanced Solid Tumors

IDE574 is a synthetically manufactured small molecule inhibitor that co-targets the lysine acetyltransferase enzymes KAT6 and KAT7. The purpose of this study is to evaluate the safety, preliminary ef...

Fairfax, VAPHASE1160 participantsIDEAYA Biosciences

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NCT01766297Recruiting

Phase II Protocol of Proton Therapy for Partial Breast Irradiation in Early Stage Breast Cancer

The purpose of this research study is to compare the effects (good and bad) on women and their cancer using proton radiation therapy. This study is being done to see if proton radiation therapy will ...

Fairfax, VAPHASE2132 participantsProton Collaborative Group

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NCT06999187Recruiting

A Study of DR-0202 in Patients With Locally Advanced or Metastatic, Relapsed or Refractory Carcinomas

A phase 1a/1b, multicenter, open-label, dose escalation/expansion, multiple-dose study to evaluate the safety and activity of DR-0202 in patients with locally advanced or metastatic, relapsed or refra...

Fairfax, VAPHASE196 participantsDren Bio

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NCT07408089Recruiting

Study of the Kinesin Oral Molecular Degrader BBI-940 in Subjects With Advanced or Metastatic Breast Cancer

This is a first-in-human, open-label, Phase 1 study evaluating BBI-940, an investigational kinesin oral molecular degrader, administered as monotherapy or in combination with fulvestrant in adults wit...

Fairfax, VAPHASE196 participantsBoundless Bio, Inc.

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NCT05573126Recruiting

Phase 1/2 Study to Evaluate Vosilasarm (EP0062) as Monotherapy and in Combination in Patients With Advanced or Metastatic AR+/HER-2-/ER+ Breast Cancer

The aim of this study is to identify the optimal dose for Vosilasarm (EP0062) as monotherapy and in combination with standard-of-care therapies to assess its Safety, Tolerability, Pharmacokinetics, an...

Fairfax, VAPHASE195 participantsEllipses Pharma

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NCT06515470Recruiting

Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of BTX-9341 in Advanced and/or Metastatic Breast Cancer

The purpose of this study is to test BTX-9341 alone or in combination with fulvestrant (a currently marketed medication for breast cancer) in participants with advanced and/or metastatic hormone recep...

Fairfax, VAPHASE182 participantsBiotheryx, Inc.

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NCT06686394Recruiting

Study of Patritumab Deruxtecan With Other Anticancer Agents in Participants With HER2 Positive Breast Cancer That Has Spread and Cannot Be Surgically Removed (MK-1022-009)

Researchers want to learn if patritumab deruxtecan (MK-1022) can treat certain breast cancers. The breast cancers being studied are HER2 positive unresectable locally advanced or metastatic (the cance...

Fairfax, VAPHASE181 participantsMerck Sharp & Dohme LLC

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NCT07524322Recruiting

Study of RGT-490 in Patients With PIK3CA-Mutated Advanced Solid Tumors

This is a phase 1/1b, open-label, multicenter study consisting of sequential parts designed to evaluate the safety, tolerability, and effects pharmacokinetic (PK) profile, and antitumor activity of RG...

Fairfax, VAPHASE163 participantsRegor Pharmaceuticals Inc.

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NCT04315233Recruiting

Ribociclib&Belinostat In Patients w Metastatic Triple Neg Breast Cancer & Recurrent Ovarian Cancer w Response Prediction By Genomics

This is an open-label, multi-center, phase I study designed to assess the maximum tolerated dose of ribociclib and belinostat in combination. The trial will open with a dose escalation followed by an ...

Fairfax, VAPHASE134 participantsUniversity of Utah

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NCT07524855Recruiting

A Study of HLD-0117 in Patients With Metastatic Breast Cancer

Assessment of the safety and efficacy of HLD-0117 as monotherapy in patients with estrogen receptor positive (ER+) metastatic breast cancer (MBC) or locally advanced breast cancer that have progressed...

Fairfax, VAPHASE133 participantsHalda Therapeutics OpCo, Inc.

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About Breast Cancer Clinical Trials in Fairfax

Breast cancer is a disease in which cells in the breast grow out of control. It is the most common cancer in women worldwide and can also occur in men. Treatment options include surgery, radiation, chemotherapy, hormone therapy, and targeted therapies.

There are currently 15 breast cancer clinical trials recruiting participants in Fairfax, VA. These studies are seeking a combined 2,144 participants. Research is being sponsored by University of Virginia, Proton Collaborative Group, Totus Medicines and 11 other organizations. Clinical trial participation is free and participants receive study-related medical care at no cost.

Breast Cancer Clinical Trials in Fairfax — FAQ

Are there breast cancer clinical trials in Fairfax?

Yes, there are 15 breast cancer clinical trials currently recruiting in Fairfax, VA. Browse the studies on this page to find one that fits.

How do I join a clinical trial in Fairfax?

Browse the studies listed above, click one that interests you, and complete the free eligibility form. A study coordinator at the Fairfax research site will contact you about next steps.

Are clinical trials in Fairfax free?

Yes, clinical trial participation is always free. Study-related treatment, medical tests, and doctor visits are provided at no cost. Many Fairfax studies also compensate for your time and travel.

What breast cancer treatments are being tested?

The 15 active trials in Fairfax are testing new therapies including novel drugs, biologics, and treatment approaches for breast cancer.

Data updated July 18, 2026 from ClinicalTrials.gov