New study tracks nerve pain from breast cancer drug

NCT ID NCT05889988

Ongoing Knowledge-focused Sponsor: Mayo Clinic Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study follows 36 people with HER2-positive breast cancer who are receiving the drug T-DM1. Researchers want to learn how often and how severely the drug causes nerve damage (peripheral neuropathy), such as numbness, tingling, or pain. Participants will report their symptoms through questionnaires over time. The goal is to better understand this side effect, not to test a new treatment.

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Conditions

The condition(s) this trial relates to.

breast neoplasm HER2 positive breast carcinoma peripheral nervous system disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BREAST NEOPLASM

Contacts and locations

Locations

Essentia Health - Deer River Clinic

Deer River, Minnesota, 56636, United States
Essentia Health - Fosston

Fosston, Minnesota, 56542, United States
Essentia Health - International Falls Clinic

International Falls, Minnesota, 56649, United States
Essentia Health - Park Rapids

Park Rapids, Minnesota, 56470, United States
Essentia Health Baxter Clinic

Baxter, Minnesota, 56425, United States
Essentia Health Cancer Center

Duluth, Minnesota, 55805, United States
Essentia Health Ely Clinic

Ely, Minnesota, 55731, United States
Essentia Health Hibbing Clinic

Hibbing, Minnesota, 55746, United States
Essentia Health Moose Lake

Moose Lake, Minnesota, 55767, United States
Essentia Health Saint Joseph's Medical Center

Brainerd, Minnesota, 56401, United States
Essentia Health Saint Mary's - Detroit Lakes Clinic

Detroit Lakes, Minnesota, 56501, United States
Essentia Health Sandstone

Sandstone, Minnesota, 55072, United States
Essentia Health Virginia Clinic

Virginia, Minnesota, 55792, United States
Fairview Grand Itasca Clinic & Hospital

Grand Rapids, Minnesota, 55744, United States
Fairview Northland Medical Center

Princeton, Minnesota, 55731, United States
Fairview Range Medical Center

Hibbing, Minnesota, 55746, United States
MMCORC CentraCare Monticello Cancer Center

Monticello, Minnesota, 55362, United States
Mayo Clinic in Rochester

Rochester, Minnesota, 55905, United States
Riverwood Healthcare Center

Aitkin, Minnesota, 56431, United States
Sanford Health Thief River Falls Clinic

Thief River Falls, Minnesota, 56701, United States
Sanford Health Worthington

Worthington, Minnesota, 56187, United States

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