Condition

Breast Cancer Stage I clinical trials and research

As of November 12, 2026, Find a Trial lists 16 Breast Cancer Stage I clinical trials that are recruiting, at sites in 6 countries (most in United States (9), China (2), Canada (2)). By phase: Phase 2 (5), Phase 1/2 (1), Phase 1 (1), Phase 2/3 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.

Newest Breast Cancer Stage I clinical trials

StudyPhaseWhereStatusRegistered
Capecitabine for MRD-positive, resected ER+/HER2-negative breast cancer Phase 2 Toronto, Ontario Recruiting Jun 5, 2026
Adding TheraBionic P1 radiofrequency therapy to treatment for early-stage HR+ HER2- breast cancer — Clarkston, Michigan and 7 other locations Recruiting Oct 20, 2025
Combining FWD1802 with CDK4/6 inhibitors or everolimus for ER+/HER2- advanced breast cancer Phase 1/2 Shanghai Recruiting Jun 3, 2025
Using PTFE mesh for breast reconstruction in cancer patients — Moscow, Skolkovo Innovation Center Recruiting Apr 17, 2025
Predicting how hormone therapy before surgery affects breast cancer Phase 2 Washington D.C., District of Columbia Recruiting Feb 4, 2025
Meal timing during cancer treatment for Alaska Native and American Indian patients — Anchorage, Alaska Recruiting Jan 31, 2025
Decision-making tool to help women with early breast cancer choose treatment — Milan, Italy Recruiting Jan 7, 2025
Memantine plus structured exercise to protect thinking and memory during breast cancer chemotherapy Phase 2 Chapel Hill, North Carolina Recruiting Dec 11, 2024
Optimizing treatment for low stage triple-negative breast cancer patients — Sittard-Geleen, Limburg and 27 other locations Recruiting Jun 26, 2024
Improving surgical decisions for young women with breast cancer — New Haven, Connecticut and 3 other locations Recruiting Feb 23, 2024

All recruiting trials (16)

Related topics

Breast Cancer Stage IIBreast Cancer Stage IIIBreast CancerBreast CarcinomaBreast Cancer InvasiveBreast Cancer Stage IVBreast NeoplasmCancer, BreastCognitive ChangeCognitive DeclineCognitive ImpairmentColorectal Cancer Stage IColorectal Cancer Stage IIColorectal Cancer Stage III

Quick answers

How many Breast Cancer Stage I clinical trials are recruiting right now?

16, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.

Where are these trials running?

In 6 countries. The most sites are in United States (9 trials), China (2 trials), Canada (2 trials), Italy (1 trial), Netherlands (1 trial). Each study page lists its sites and which ones are recruiting.

What phases are they in?

Phase 2: 5, Phase 1/2: 1, Phase 1: 1, Phase 2/3: 1. Trials with no phase listed are usually device, behavioural or observational studies.

How do I join one?

Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.

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Last reviewed 2026-11-12 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.