Recruiting

Observational Study

Sponsor:

University of Chicago

Code:

NCT06230731

Conditions

Vascular Lesion

Eligibility Criteria

Sex: All

Age: 18 - 70+

Healthy Volunteers: Accepted

Interventions

Oxygen saturation

Study Details

Brief summary:

The goal of this clinical trial is to evaluate oxygenation in the colon in people with acquired vascular abnormalities in the proximal colon.

Conditions

Vascular Lesion

Study ID

NCT06230731

Start date

Feb 1, 2024

Status verified date

Jul, 2026

Completion date

Feb 1, 2029

Anticipated

Primary completion date

Feb 1, 2027

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 18 - 70+

Healthy Volunteers: Accepted

Inclusion Criteria:

  • Undergo standard of care colonoscopy
  • People with a history of vascular lesions of the colon
  • People with healthy colon
  • 18 - 89 years of age

Exclusion Criteria:

  • Age < 18 years
  • Age > 90 years
  • People with ulcerations in at ascending colon opposite the ileocecal valve
  • Previous colon surgery

Study Design

Enrollment

30 participants

Anticipated

Allocation

Non randomized

Intervention Model

Parallel Assignment

Primary purpose

Screening

Interventions and Outcome Measures

Arms

experimental: Vascular abnormality group

People with acquired vascular abnormalities in the proximal colon

active comparator: Control group

People with healthy colon

Interventions

Oxygen saturation

Measure oxygen levels in 5 proximal colon mucosa locations.

Primary outcome measure

  • Quantitative analysis of colonic oxygen saturation levels [ Time Frame: baseline-12 months ]

Central Contacts and Locations

Central contacts

Joel Pekow, MD

(773) 834-8632jpekow@bsd.uchicago.edu

Kristi Kearney, RN

773-834-7414Kkearney@bsd.uchicago.edu

Locations

University of Chicago

Recruiting

Chicago, Illinois, United States, 60637

Contacts

Joel Pekow, MD

(773) 834-8632jpekow@bsd.uchicago.edu

Kristi Kearney, RN

773-834-7414kkearney@bsd.uchicago.edu

More Information

Sponsor

University of Chicago

Last update posted

Jul 9, 2026

Last verified

Jul, 2026

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-09. This information was provided to ClinicalTrials.gov by University of Chicago on 2026-07-09.