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Colorectal Cancer Screening in the Homeless

Recruiting

mHealth Navigation Using SMS Texting to Improve CRC Screening Among Homeless Persons

Who can join

Ages 45 to 75 · All sexes

Full eligibility criteria
Inclusion Criteria:

* Homeless persons aged 45 - 75 years old, with no up-to-date colorectal cancer screening defined as: 1) no colonoscopy in the past 10 years, or 2) no Flexible sigmoidoscopy, Digital Contrast Barium Enema, or CT colonoscopy in the past 5 years, or 3) no Fecal Immunochemical Test/Fecal Occult Blood in the past 12 months or mt-sDNA/Cologuard Test in the past three years
* English or Spanish speaking
* currently presenting to the shelter clinics for medical care
* connected to multidisciplinary social and health services in NYC shelter clinics

Exclusion Criteria:

* known active/uncontrolled illness rendering homeless persons to undergo screening, CRC in the past 2 years, colectomy, Inflammatory Bowel Dis., Familial Adenomatous Polyposis or other colorectal diseases in which screening is different from average CRC risk and methods, inability to consent, serious/significant comorbidity where life expectancy is limited or screening is not recommended, which will be verified by their respective provider
* inability to read and respond to SMS texts
* any condition preventing participants from providing informed consent.

About the study

This study is designed to assess the effect of implementing a text messaging strategy for colorectal cancer screening among homeless persons aged 45-75 years, who are not up to date on colorectal cancer screening, in shelter clinics in NYC. This mixed-methods study uses a randomized clinical trial design and semi-structured interviews.

What is being tested

Sponsor: George Washington University · Participants: 588 · Started: Sep 21, 2026

Contact the study team

Official record on ClinicalTrials.gov — NCT07220018

Locations in the U.S.

District of ColumbiaGeorge Washington University, Washington D.C.

Conditions

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.