← Back to Clinical Trials
Recruiting NCT04517838

NCT04517838 Immune Response to Anti-HER2 Therapies in Patients With HER2-Positive Stage I-IV Breast Cancer

◆ AI Clinical Summary
Plain-language summary for patients
Clinical Trial Summary
NCT ID NCT04517838
Status Recruiting
Phase
Sponsor Mayo Clinic
Condition Breast Adenocarcinoma
Study Type OBSERVATIONAL
Enrollment 230 participants
Start Date 2020-07-31
Primary Completion 2028-07-27

Trial Parameters

Condition Breast Adenocarcinoma
Sponsor Mayo Clinic
Study Type OBSERVATIONAL
Phase N/A
Enrollment 230
Sex FEMALE
Min Age 18 Years
Max Age N/A
Start Date 2020-07-31
Completion 2028-07-27
Interventions
Biospecimen Collection

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

Brief Summary

This study gathers information from the blood cells and tumor tissue during treatment with anti-HER2 therapies, such as trastuzumab, pertuzumab, lapatinib, or neratinib, in patients with HER2 positive stage I-IV breast cancer who are scheduled to start anti-HER2 therapy. The information gained from this study may help researchers better understand the relation between cell response and anti-HER2 therapies.

Eligibility Criteria

Inclusion Criteria: * Age \>= 18 years * Histological confirmed adenocarcinoma of the breast stage I-IV from the American Joint Committee on Cancer staging 8th edition * Any estrogen receptor (ER) or progesterone receptor (PR) but HER2 positive defined as per the most current American Society of Clinical Oncology (ASCO)/College of American Pathologists (CAP) guideline * Provide written informed consent * Willingness to provide blood samples for correlative research purposes * BLOOD AND TISSUE COHORT: Scheduled to start new anti-HER2 therapy/therapies * TISSUE-ONLY COHORT: Received or previously completed anti-HER2 therapy/therapies Exclusion Criteria: * Immunocompromised patients including patients known to be human immunodeficiency virus (HIV) positive * Receiving systemic steroid therapy or any other immunosuppressive therapy =\< 30 days prior to registration. NOTE: Inhaled steroids, low-dose corticosteroids (e.g. equivalent to or less than oral prednisone 10 mg daily), and steroid u

Related Trials

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: April 2026  ·  Data Methodology