Improving safety in chemotherapy for cancer patients using genetic testing

A precision medicine approach to improve prediction of severe toxicity in fluorouracil chemotherapy

NIH-funded research University of Iowa · NIH-11075408

This study is looking to make chemotherapy safer for cancer patients by finding genetic markers that can help predict who might have serious side effects from the drug 5-fluorouracil, so that doctors can adjust the dose to better fit each person's needs.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Iowa NIH-funded
Lab location1 site (Iowa City, United States)
Project IDNIH-11075408 on NIH RePORTER

What this research studies

This research focuses on enhancing the safety of the chemotherapy drug 5-fluorouracil (5-FU) by identifying genetic biomarkers that predict severe toxic reactions. Many cancer patients experience life-threatening side effects from standard doses of 5-FU, often due to a deficiency in a specific enzyme. The study aims to expand the understanding of genetic variants that contribute to this toxicity, particularly in diverse populations, to allow for personalized dosing that minimizes risks. By using advanced biomarker testing, the goal is to tailor treatment plans to individual patients, improving their overall safety and treatment outcomes.

Who could benefit from this research

Good fit: Ideal candidates for this research include cancer patients who are prescribed 5-fluorouracil and may be at risk for severe toxicity due to genetic factors.

Not a fit: Patients who are not receiving 5-fluorouracil chemotherapy or those without genetic predispositions to toxicity may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could significantly reduce the incidence of severe side effects from 5-FU chemotherapy, leading to safer treatment options for cancer patients.

How similar studies have performed: Previous research has shown promise in using genetic testing to predict chemotherapy toxicity, but this study aims to expand on those findings with a focus on underrepresented populations.

Where this research is happening

Iowa City, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 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.