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A decision aid for helping people to decide about colorectal cancer screening

Effectiveness of a decision aid for promoting colorectal cancer screening in Spain: a randomized trial

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN98108615
Enrollment
126
Registered
2018-12-27
Start date
2016-03-01
Completion date
Unknown
Last updated
2019-08-26

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal cancer Cancer

Interventions

The study took place in two primary care centers: one located in an area where a public screening program was available, and other in which that program was not available at the moment of the study.

Sponsors

Carlos III Health Institute (Spanish Ministry of Economy, Industry and Competitiveness)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Age 50-69 2. Having no CRC history or current symptoms 3. Having no family antecedents of CRC 4. Not been screened previously

Exclusion criteria

Exclusion criteria: Cognitive impairment that hinders understanding of the study aims, information provided in the DA, or filling out the questionnaires

Design outcomes

Primary

MeasureTime frame
Decisional conflict, measured with the Decisional Conflict Scale (DCS) immediately after reviewing the DA in the intervention group, and at the baseline assessment in the control group

Secondary

MeasureTime frame
1. Knowledge of the disease and the screening procedures, assessed using 12 items questionnaire 2. Intention to undergo screening (yes/no) 3. Concordance between participants' values about the characteristics of the screening procedures (importance attributed in a 1-5 Likert scale) and their intention to be screened All assessments were performed immediately after reviewing the DA in the intervention group (except for knowledge, which was also measured before the aplication of the DA), and at the baseline assessment in the control group

Countries

Spain

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 4, 2026