Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Monitoring heart health in patients receiving 5-FU chemotherapy

Official title: Feasibility Study of Ambulatory Holter Monitoring While Receiving Infusional Fluorouracil (5-FU) Chemotherapy

Run by University of Auckland, New Zealand · NCT06538610 · Data updated 2026-11-12

This study is testing if using a heart monitor at home can help keep track of heart health in patients getting 5-FU chemotherapy for cancer.

More Gastrointestinal Malignancy trials

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment10 (estimated)
SponsorUniversity of Auckland, New Zealand
Academic / other
Drugs / interventionschemotherapy
Locations1 site (Auckland)
StatusRecruiting
StartedNovember 1, 2024
Main results expectedJuly 2025
Study endsJanuary 2026
Registry record updatedDecember 9, 2024
Trial IDNCT06538610 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include adults aged 18 and older with a diagnosis of gastrointestinal malignancy who are planned to receive FOLFOX chemotherapy.

Probably not a fit

Patients with pre-existing ECG abnormalities such as left bundle branch block or left ventricular hypertrophy with strain may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study assesses the feasibility of using ambulatory ECG monitoring, specifically a Holter monitor, for patients undergoing treatment with 5-fluorouracil (5-FU) chemotherapy for gastrointestinal malignancies. Given the risk of cardiotoxicity associated with 5-FU, which can lead to serious cardiac events, the study aims to monitor patients in real-life conditions while they receive infusional chemotherapy at home. The goal is to gather preliminary data that could inform future studies on the relationship between 5-FU metabolism and cardiac health. By identifying asymptomatic cardiotoxicity early, the study hopes to improve patient safety and treatment outcomes.

Why it matters

Potential benefit: If successful, this study could lead to better monitoring of heart health in patients receiving 5-FU, potentially preventing serious cardiac events and improving treatment outcomes.

How similar studies have gone: While the approach of using Holter monitoring in this context is novel, similar studies have indicated the importance of monitoring cardiac health in patients undergoing chemotherapy.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with diagnosis of gastrointestinal malignancy
* Planned to receive either FOLFOX chemotherapy with any treatment intent
* Aged ≥ 18 years at time of signing informed consent form

Exclusion Criteria:

• ECG with left bundle branch block or left ventricular hypertrophy with strain

Where it's running

  • Auckland City Hospital
    Auckland, New Zealand
    Recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.