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Find Breast Cancer Clinical Trials That Are Right For You

The clinical trials listed below are open in the U.S. for people with DCIS (stage 0), stage 1, stage 2, stage 3, or stage 4 (metastatic)
breast cancer. Clinical trials are available for people who are newly diagnosed with breast cancer, currently in treatment, experiencing
breast cancer recurrence, living with metastatic disease, as well as breast cancer survivors who have completed treatment.

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(Last updated: July 15, 2025)

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1

NEAREST SITE: 28 miles
Stanford University
Palo Alto,CA

VISITS: 1 visit per week, ongoing

PHASE: I-II

NCT ID: NCT04092673

eFT226 in Advanced Breast Cancer That Tests Positive for HER2, ERBB3, FGFR1, FGFR2, or KRAS Mutations

A Phase 1-2 Dose-Escalation and Cohort-Expansion Study of Intravenous eFT226 in Subjects With Selected Advanced Solid Tumor Malignancies Scientific Title

Purpose
To evaluate the safety and effects (good and bad) of eFT226 (Zotatifin), an experimental targeted therapy that blocks eIF4A1.
Who is this for?
People with advanced (some stage III) or metastatic (stage IV) breast cancer that has been treated with standard therapies and tests positive for a mutation in HER2 (ERRB2), ERBB3, FGFR1, FGFR2, or KRAS.    Full eligibility criteria
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  • What's involved?
  • What's being studied?
  • How can I learn more?
  • <p class="seamTextPara"> You will receive the following: </p> <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">eFT226 (Zotatifin), by IV, weekly, ongoing</li></ul>
  • <ul class="seamTextUnorderedList"> <li class="seamTextUnorderedListItem">eFT226 (Zotatifin) is an experimental targeted therapy that blocks eIF4A1. </li> <li class="seamTextUnorderedListItem">This study also is enrolling patients with other types of solid tumors that have these mutations.</li> <li class="seamTextUnorderedListItem">Targets or mutations: HER2 (ERBB2), ERBB3, FGFR1, FGFR2, or KRAS</li></ul>
  • <ul class='seamTextUnorderedList'><li class='seamTextUnorderedListItem'>View eligibility criteria and additional trial information: <a href='https://clinicaltrials.gov/ct2/show/NCT04092673' target='_blank'>ClinicalTrials.gov</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.globenewswire.com/news-release/2019/11/05/1941103/0/en/eFFECTOR-Therapeutics-Initiates-Phase-1-2-Safety-and-Efficacy-Study-of-Zotatifin-eFT226-in-Patients-with-Advanced-Solid-Tumor-Malignancies.html' target='_blank'>Drug Company Press Release: eFT226 (Zotatifin)</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.cancer.org/cancer/breast-cancer/treatment/targeted-therapy-for-breast-cancer.html' target='_blank'>American Cancer Society: Targeted Therapies for Breast Cancer</a> </li><li class='seamTextUnorderedListItem'><a href='https://www.nature.com/articles/cddis2014542' target='_blank'>Journal Article: The Malignant Phenotype in Breast Cancer is Driven by eIF4A1-mediated Changes in The Translational Landscape</a> </li></ul>
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