Online Study of Colorectal Cancer and Prostate Cancer Screening Decision Making (CARR2)
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ClinicalTrials.gov Identifier: NCT01558583 |
Recruitment Status
:
Completed
First Posted
: March 20, 2012
Last Update Posted
: April 25, 2017
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Condition or disease | Intervention/treatment | Phase |
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Colorectal Cancer Colon Cancer Prostate Cancer | Other: Rating and Ranking Task Other: Discrete Choice Task Other: Balance Sheet Task | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 1831 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Health Services Research |
Official Title: | A Comparison of the Effect of a Conjoint Analysis Based Values Clarification Exercise, Rating and Ranking Exercise, and Balance Sheet for Colorectal Cancer Screening and Prostate Cancer Screening Decision Making |
Study Start Date : | July 2011 |
Actual Primary Completion Date : | October 2011 |
Actual Study Completion Date : | October 2011 |

Arm | Intervention/treatment |
---|---|
Rating and Ranking Group
A group of individuals from the United States and Australia who complete a rating and ranking task.
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Other: Rating and Ranking Task
Individuals who are randomized to the rating and raking arm will be asked to complete an informational task in a rating and ranking format. The task will help individuals clarify their opinions and preferences regarding colon cancer and prostate cancer screening.
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Discrete Choice Group
A group of individuals from the United States and Australia who complete a discrete choice experiment task.
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Other: Discrete Choice Task
Individuals who are randomized to the rating and raking arm will be asked to complete an informational task in a discrete choice format. The task will help individuals clarify their opinions and preferences regarding colon cancer and prostate cancer screening.
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Balance Sheet Group
Individuals from the United States and Australia who will complete an implicit values clarification task
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Other: Balance Sheet Task
Individuals who are randomized to the rating and raking arm will be asked to complete an informational task in a balance sheet format. The task will help individuals clarify their opinions and preferences regarding colon cancer and prostate cancer screening.
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- Participant-reported most important attribute from survey [ Time Frame: 1 day ]The single most important colon cancer or prostate cancer screening attribute indicated by the participant surveys. Each participant will be randomly assigned to take one of three survey versions: either (1) a conjoint analysis task wherein they will be asked to make a series of choices between hypothetical screening testing strategies with different attributes; (2) a rating and ranking task for these same attributes; or (3) they will make a choice after viewing a balance sheet of attributes.
- Participant-reported intent to undergo screening from survey [ Time Frame: 1 day ]the number of participants who state they plan to be screened for condition
- Unlabeled screening test options [ Time Frame: 1 day ]choice on a single question among unlabeled screening test options

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Ages Eligible for Study: | 50 Years to 75 Years (Adult, Senior) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
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Colorectal cancer
- men and women, ages 50-75, who can speak and read English.
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Prostate cancer screening
- men, ages 50-75, who can speak and read English.
Exclusion Criteria:
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Colorectal Cancer
- individuals with a previous personal or family history of colon cancer, personal history of polyps, or inflammatory bowel disease will be excluded.
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Prostate cancer
- individuals with a previous personal or family history of prostate cancer will be excluded

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01558583
United States, North Carolina | |
Cecil G. Sheps Center for Health Services Research | |
Chapel Hill, North Carolina, United States, 27599 |
Principal Investigator: | Michael Pignone, MD, MPH | University of North Carolina, Chapel Hill |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | University of North Carolina, Chapel Hill |
ClinicalTrials.gov Identifier: | NCT01558583 History of Changes |
Other Study ID Numbers: |
UCRF-CARR2-11-0861 |
First Posted: | March 20, 2012 Key Record Dates |
Last Update Posted: | April 25, 2017 |
Last Verified: | July 2012 |
Keywords provided by University of North Carolina, Chapel Hill:
Colon Prostate Cancer |
Additional relevant MeSH terms:
Prostatic Neoplasms Colorectal Neoplasms Genital Neoplasms, Male Urogenital Neoplasms Neoplasms by Site Neoplasms Genital Diseases, Male Prostatic Diseases |
Intestinal Neoplasms Gastrointestinal Neoplasms Digestive System Neoplasms Digestive System Diseases Gastrointestinal Diseases Colonic Diseases Intestinal Diseases Rectal Diseases |