NIH-funded research R01 grant

How blocking a specific protein may help treat colon cancer

Official title: Impact of CLDN1 inhibition on chemoresistance and metastasis of colon cancer

Funded at University of Kansas Medical Center · NIH-11291157 · Data updated 2026-11-12

This study is looking at a protein called claudin-1 that helps colon cancer spread, and it’s testing a new treatment that might make chemotherapy work better and stop the cancer from spreading further, all to help people with advanced colon cancer feel better and live longer.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Kansas Medical Center
NIH-funded
Lab location1 site (Kansas City, United States)
Project startFebruary 12, 2021
Project endMarch 31, 2027
Funding year2024
Award (this year)$474,168
NIH project number7R01CA250383-05
Project IDNIH-11291157 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are patients diagnosed with metastatic colon cancer who are experiencing resistance to current chemotherapy treatments.

Less likely to help

Patients with early-stage colon cancer or those who are not resistant to chemotherapy may not benefit from this research.

What this research studies

This research investigates the role of claudin-1, a protein that is linked to the spread of colon cancer, and how inhibiting it could reduce resistance to chemotherapy and metastasis. The study involves extensive laboratory work, including tests on cancer cell lines and mouse models, to evaluate the effectiveness of a newly developed small molecule inhibitor called PDS-0330. By understanding the mechanisms behind claudin-1's influence on cancer progression, the research aims to develop targeted therapies that could improve outcomes for patients with advanced colon cancer.

Why it matters

Potential benefit: If successful, this research could lead to new treatment options that enhance the effectiveness of chemotherapy for colon cancer patients, particularly those with metastatic disease.

How similar studies have gone: Other research has shown promising results in targeting similar pathways in cancer treatment, suggesting that this approach could be effective.

Where this research is happening

  • University of Kansas Medical Center
    Kansas City, United States
    Active

Researchers

  • Principal investigator: Dhawan, Punita — University of Kansas Medical Center
  • Study coordinator: Dhawan, Punita

Related research

Other NIH-funded projects on the same topics.

  • Targeting CLDN1 to overcome chemoresistance and curb metastasis in colon cancer

    A new drug candidate that blocks CLDN1 may help people with colon cancer respond better to chemotherapy and reduce spread.

    NIH research University of Kansas Medical Center · Kansas City, United States · NIH-11324005

  • Stopping colon cancer from spreading to the liver with a new drug approach

    Researchers are trying drugs that activate the dopamine D4 receptor, alone or with standard chemotherapy, to stop colon cancer from spreading to the liver in people at risk of liver metastases.

    NIH research Ohio State University · Columbus, UNITED STATES · NIH-11289460

  • How the PTPRT gene affects colon cancer growth and spread

    Researchers are looking at whether changes in a gene called PTPRT change how colon cancer grows and spreads, which could help people with colorectal cancer.

    NIH research Case Western Reserve University · Cleveland, United States · NIH-11137753

  • New treatment approach for liver cancer spread from colon cancer

    This study is looking at a new way to help prevent liver cancer spread in people with colon cancer by testing a special treatment that works with certain receptors in the body, and it aims to see how well this treatment works alone or with other cancer medicines.

    NIH research Ohio State University · Columbus, UNITED STATES · NIH-11133691

  • Investigating how a specific protein affects colon cancer growth and spread

    This study is looking at a protein called PTPRT and how changes in it might affect the growth and spread of colon cancer, using special mice to help find new ways to understand and treat the disease.

    NIH research Case Western Reserve University · Cleveland, United States · NIH-10893342

  • Investigating how sex differences affect colon cancer spread

    This study is looking at how a gene called KDM5D affects colon cancer differently in men and women, with the goal of finding new treatments that could help improve survival for all patients.

    NIH research Indiana University Indianapolis · Indianapolis, United States · NIH-10698017

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.
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.