Increasing Colorectal Cancer (CRC) Screening In Primary Care

February 2, 2020 updated by: Usha Menon, Arizona State University

Increasing CRC Screening in Primary Care Settings

Colorectal cancer screening remains lower than optimal. The purpose of this study was to test the efficacy of phone-based motivational interviewing versus tailored communication versus usual care in increasing CRC screening in primary care clinics.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Detailed Description

Regular screening reduces both morbidity and mortality from colorectal cancer (CRC). Screening rates, however, remain low suggesting the need for innovative research designed to increase screening behavior. The purpose of this study is to compare the effectiveness of two interventions (Tailored Health Communication [THC] and Motivational Interviewing [MI]) in increasing CRC screening behavior. Both interventions are based on a strong conceptual framework derived from the Health Belief Model (HBM) and Transtheoretical Model (TTM), allowing us to explore the underlying mechanisms through which these interventions impact behavior change.

The primary aim of this study is to compare CRC screening test use among 804 participants randomly allocated to control or intervention conditions; participants will be recruited from the two sites (Chicago, IL, and Nashville, TN). The 3 study groups will receive (1) standard care, (2) tailored health communication, and (3) motivational interviewing. Eligibility criteria for study participants includes being 50 years or older, not having CRC, and being of average or moderate risk for CRC. Study participants will be surveyed by telephone about CRC-related beliefs pre-intervention (Time 1), 1 month postintervention (Time 2), and at 6 months postintervention (Times 3 and 4, respectively). Dichotomous behavioral outcomes (had screening test or not) and stages of CRC screening test adoption (based on the TTM) will be assessed, as well as sociodemographic and belief predictors of screening behavior. Binomial and multinomial logistic regression models will be used to evaluate screening test use and stage of test adoption. Sociodemographic and belief variables will be used as covariates, with intervention group as the primary independent predictor. Descriptive statistics and ANOVA will be employed to assess between intervention differences in amenable beliefs. Path (mediation) analysis will be performed to further explore the underlying mechanisms through which THC and MI may differentially affect CRC screening behavior.

Study Type

Interventional

Enrollment (Actual)

511

Phase

  • Not Applicable

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

50 years to 75 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • all genders
  • can speak, read, write English
  • no diagnosis of colorectal cancer
  • non-adherent with screening
  • age 50 or older

Exclusion Criteria:

  • had colorectal cancer
  • adherent with screening

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Screening
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
No Intervention: control
Experimental: lifestyle counseling tailored
Behavioral: Tailored counseling
education tailored to baseline beliefs by trained counselor over phone
Experimental: lifestyle counseling motivational
Behavioral: Motivational Interview
motivational interview by trained MI counselors by phone

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
completing CRC screening test
Time Frame: 1 and 6 months post education
1 and 6 months post education

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Arizona State University

Collaborators

University of Illinois at Chicago
Vanderbilt University
Penn State University
University of Utah
Portland State University
Jesse Brown VA Medical Center

Investigators

  • Principal Investigator: Usha Menon, PhD, Arizona State University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

October 1, 2004

Primary Completion (Actual)

November 1, 2009

Study Completion (Actual)

January 1, 2010

Study Registration Dates

First Submitted

April 6, 2010

First Submitted That Met QC Criteria

April 7, 2010

First Posted (Estimate)

April 8, 2010

Study Record Updates

Last Update Posted (Actual)

February 5, 2020

Last Update Submitted That Met QC Criteria

February 2, 2020

Last Verified

February 1, 2020

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • R01NR008425 (U.S. NIH Grant/Contract)

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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