Status:

NOT_YET_RECRUITING

Collagenase Biobank Study

Lead Sponsor:

University of Chicago

Collaborating Sponsors:

University of California, San Diego

Midwestern University

Conditions:

Colorectal (Colon or Rectal) Cancer

Eligibility:

All Genders

18+ years

Brief Summary

The purpose of this study is to look at how bacteria present within the stool at the time of surgery and postoperatively may contribute to the development of cancer recurrence after surgery. By collec...

Detailed Description

The purpose of this study is to collect stool, blood, and tissue samples both before and after patients undergo surgery for colon cancer. These samples will be analyzed for their bacterial composition...

Eligibility Criteria

Inclusion

  • English speaking.
  • All genders, races, and ethnicities.
  • Aged greater or equal to 18 years of age.
  • Ability to understand and the willingness to sign a written informed consent form.
  • Diagnosed with a colon adenocarcinoma or presumed adenocarcinoma in which surgical resection is recommended.
  • Have a planned surgical resection of the colon adenocarcinoma at the University of Chicago Comprehensive Cancer Center.
  • Reside within 150 miles of the University of Chicago Comprehensive Cancer Center.

Exclusion

  • Stage IV colon adenocarcinoma (known metastatic disease).
  • Intravenous or oral antibiotic exposure within 30 days of surgery to treat an infection.
  • Prebiotic exposure within 30 days of surgery.
  • History of neoadjuvant chemotherapy/radiation to treat the primary colon adenocarcinoma.
  • History of chemotherapy/radiation to treat a separate malignancy within the last 6 months.
  • History or current ileostomy or colostomy.
  • Allergy to perioperative medications (oral neomycin/metronidazole for preoperative bowel preparation, intraoperative prophylactic intravenous cefoxitin).
  • Patients who are pregnant.
  • Patients with a history of inflammatory bowel disease.
  • Patients with a history of bariatric surgery.
  • History of eating disorders.

Key Trial Info

Start Date :

February 1 2026

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

October 1 2026

Estimated Enrollment :

107 Patients enrolled

Trial Details

Trial ID

NCT07211230

Start Date

February 1 2026

End Date

October 1 2026

Last Update

December 15 2025

Active Locations (1)

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1

University of Chicago

Chicago, Illinois, United States, 60637