🇨🇦 Canada Country × Condition
breast cancer Clinical Trials in Canada
Active clinical trials for breast cancer with research sites in Canada. All data sourced live from ClinicalTrials.gov — updated daily.
Active Trials: 14 // Recruiting: 14 Phases: Phase 3, Phase 2 // Updated: Daily
Total Trials
14
Recruiting Now
14
Country
🇨🇦 Canada
Active Trials in Canada (14)
NCT04050423
Recruiting
Investigation of Ultrasound Imaging and Spectroscopy for Characterizing Breast Masses
Enrollment
1,200 pts
Country
🇨🇦 Canada
Sunnybrook Health Sciences Centre
View Trial → NCT06911970
Recruiting
Impact of Aerobic Exercise on the Anticancer Immune Response in Patients Receiving Cancer Treatment
Enrollment
44 pts
Country
🇨🇦 Canada
Université de Sherbrooke
View Trial → NCT04874038 Phase 3
Recruiting
Prevention of Persistent Pain With LidocAine iNfusions in Breast Cancer Surgery (PLAN)
Enrollment
1,602 pts
Country
🇨🇦 Canada
University Health Network, Toronto
View Trial → NCT04680442 Phase 2
Recruiting
Safety of Continuing HER-2 Directed Therapy in Overt Left Ventricular Dysfunction
Enrollment
130 pts
Country
🇨🇦 Canada
Population Health Research Institut...
View Trial → NCT06686394 Phase 1, Phase 2
Recruiting
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)
Enrollment
81 pts
Country
🇨🇦 Canada
Merck Sharp & Dohme LLC
View Trial → NCT06633380
Recruiting
Alternative Physical Activity Strategies for Breast Cancer Survivors
Enrollment
24 pts
Country
🇨🇦 Canada
University of Toronto
View Trial → NCT05601440 Phase 2
Recruiting
Liquid-biopsy Informed Platform Trial to Evaluate CDK4/6-inhibitor Resistant ER+/HER2- Metastatic Breast Cancer
Enrollment
484 pts
Country
🇨🇦 Canada
Canadian Cancer Trials Group
View Trial → NCT04874064
Recruiting
TRIple Negative Breast Cancer Markers In Liquid Biopsies Using Artificial Intelligence
Enrollment
130 pts
Country
🇨🇦 Canada
Jewish General Hospital
View Trial → NCT05625659
Recruiting
Comparison of Breast Cancer Screening With CESM to DBT in Women With Dense Breasts
Enrollment
2,032 pts
Country
🇨🇦 Canada
American College of Radiology
View Trial → NCT04144907
Recruiting
Protein Needs Study
Enrollment
40 pts
Country
🇨🇦 Canada
University of Alberta
View Trial → NCT07405801 Phase 2
Recruiting
A Phase II Study Evaluating the Efficacy and Safety of Inavolisib Plus Ribociclib Plus Fulvestrant Versus Placebo Plus Ribociclib Plus Fulvestrant in Participants With Advanced Breast Cancer
Enrollment
80 pts
Country
🇨🇦 Canada
Hoffmann-La Roche
View Trial → NCT05196087
Recruiting
Non-Invasive Artificial Intelligence-Based Platform MonIToring Program (NIP IT!)
Enrollment
500 pts
Country
🇨🇦 Canada
University Health Network, Toronto
View Trial → NCT03053193
Recruiting
MammaPrint, BluePrint, and Full-genome Data Linked With Clinical Data to Evaluate New Gene EXpression Profiles
Enrollment
30,000 pts
Country
🇨🇦 Canada
Agendia
View Trial → NCT07140172
Recruiting
Axillary Radiotherapy or Axillary Lymph Node Dissection in Patients With Clinically Node- Positive Breast Cancer Undergoing Upfront Tailored Axillary Surgery
Enrollment
1,060 pts
Country
🇨🇦 Canada
University Hospital, Basel, Switzer...
View Trial → Frequently Asked Questions
How many breast cancer clinical trials are active in Canada?
There are currently 14 active clinical trials for breast cancer with sites in Canada, of which 14 are actively recruiting patients.
How can I join a breast cancer clinical trial in Canada?
To join a breast cancer clinical trial in Canada, select a recruiting trial below and check the eligibility criteria. Contact the trial's principal investigator or the listed site in Canada directly. All trials listed here are sourced from ClinicalTrials.gov, the official U.S. registry of clinical studies.
What phases are breast cancer trials in Canada?
Active breast cancer trials in Canada span Phase 3, Phase 2, Phase 1, Phase 2. Phase I trials test safety, Phase II test efficacy, and Phase III compare against standard treatments in larger patient populations.
ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer · Last Reviewed: July 2026 · Data Methodology