Breast cancer clinical trials near Ottawa

A Study of Izalontamab Brengitecan Versus Chemotherapy in Participants With Previously Untreated, Locally Advanced, Recurrent Inoperable, or Metastatic Triple-negative Breast Cancer Ineligible for Anti-PD(L)1 Drugs (IZABRIGHT-Breast01)

Recruiting nowPhase 2/3295 sites

The purpose of this study is to assess the efficacy and safety of iza-bren, a bi-specific antibody-drug conjugate against EGFR and HER3 with a topoisomerase inhibitor payload versus treatment of physician's choice (TPC) (paclitaxel, nab-pac…

A Clinical Study of Sacituzumab Tirumotecan (Sac-TMT, MK-2870) in People With Breast Cancer (MK-2870-032)

Recruiting nowPhase 3310 sites

Researchers are looking for new ways to treat types of breast cancer that are both: * High-risk, which means the cancer may have a higher chance of getting worse or coming back after treatment * Early-stage, which means the cancer is in th…

Contrast-enhanced Mammography in Women With a Personal History of Breast Cancer and Dense Breast Tissue: Benefit?

Opening soon1 site

This study aims to assess the effectiveness of Contrast-Enhanced Mammography (CEM)as an alternative to traditional ultrasound for breast cancer screening in women with dense breasts and a personal history of breast cancer. CEM combines stan…

A Study of Camizestrant in ER+/HER2- Early Breast Cancer After at Least 2 Years of Standard Adjuvant Endocrine Therapy

Recruiting nowPhase 3709 sites

This is a Phase III open-label study to assess if camizestrant improves outcomes compared to standard endocrine therapy in patients with ER+/HER2 - early breast cancer with intermediate or high risk for disease recurrence who completed defi…

FMT in Triple Negative Breast Cancer Guided by ctDNA

Opening soonPhase 1/23 sites

Triple-negative breast cancer (TNBC) is an aggressive form of breast cancer, usually treated with chemotherapy and an immune checkpoint blockade (ICB) in the pre-operative or neoadjuvant phase. However, about 35% of tumors do not respond fu…

TRIple Negative Breast Cancer Markers In Liquid Biopsies Using Artificial Intelligence

Recruiting now3 sites

Triple negative breast cancer (TNBC) is the most aggressive of breast cancers and it is usually treated with chemotherapy even before surgery. In many cases, the chemotherapy completely "melts" the tumor and these patients do well. When the…

Liquid-biopsy Informed Platform Trial to Evaluate CDK4/6-inhibitor Resistant ER+/HER2- Metastatic Breast Cancer

Recruiting nowPhase 210 sites

This study is being done to answer the following question: Can testing breast cancer for DNA abnormalities or "biomarkers" help predict which patients are most likely to be helped by certain treatments? The pre-study screening is being done…

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)

Recruiting nowPhase 1/218 sites

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 cancer has spread to other parts of the body)…

Evaluating Harms and Benefits of Endocrine Therapy in Patients ≥70 Years of Age With Lower Risk Breast Cancer

Recruiting nowPhase 48 sites

The current standard of care for stage 1 hormone receptor-positive (HR+) breast cancer consists of breast-conserving surgery followed by adjuvant radiotherapy (RT) and endocrine therapy (ET) for at least 5 years. The benefit of adjuvant ET …

A Study Evaluating the Efficacy and Safety of Inavolisib Plus CDK4/6 Inhibitor and Letrozole vs Placebo + CDK4/6i and Letrozole in Participants With Endocrine-Sensitive PIK3CA-Mutated, Hormone Receptor-Positive, HER2-Negative Advanced Breast Cancer

Recruiting nowPhase 3232 sites

This study will evaluate the efficacy and safety of the combination of inavolisib plus a cyclin-dependent kinase 4 and 6 inhibitor (CDK4/6i) and letrozole versus placebo plus a CDK4/6i and letrozole in the first-line setting in participants…

Common questions

How do I find a breast cancer clinical trial near me in Canada?

Use Beacon's free search: enter "breast cancer", your age, and your location, and you'll see recruiting trials sorted by distance, each explained in plain language — including sites just across the US border. Beacon searches the full official registry and never requires an account.

Does joining a clinical trial cost money?

The study treatment and study-related tests are usually provided at no cost, and some trials help with travel. In Canada, your provincial health coverage continues to apply to your routine care — always confirm details with the study team.

Can I leave a clinical trial after joining?

Yes. Participation is always voluntary, and you can leave a trial at any time, for any reason, without losing your normal medical care.

Do I qualify for these trials?

Every trial has its own eligibility criteria. Beacon translates each trial's criteria into a plain-language checklist you can review and bring to your doctor — only the study team can confirm whether you qualify.