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Implementing a Randomized Control Trial to Test the Expanded Web-based Decision Aid

Implementing a Randomized Control Trial to Test the Expanded Web-based Decision Aid

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06910670
Enrollment
197
Registered
2025-04-04
Start date
2025-04-03
Completion date
2026-12-01
Last updated
2026-09-09

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

Conditions

Cholangiocarcinoma, Colorectal Cancer, Multiple Myeloma

Keywords

Genetic testing, Decision aid, Participant engagement

Brief summary

The overall goal of the randomized control trial (RCT) will be to evaluate the efficacy of modifications to a web-based tool for patient decision-making regarding return of genomic results that will more closely focus on rare cancers. Participants will be given access to a web-based decision aid (or a standard control) that guides participants in making decisions about what type of genomic results they would like to receive from testing performed in the PE-CGS study (NCT06340646).

Interventions

OTHERStandard developed materials

Participants will be given the option to receive different types of results from genomic sequencing. The choices available to them will be explained by research staff following a script that describes what each type of result means. Participants will be able to choose to receive: (1) no results, or any combination of (2) biomarker information from cancer cells, (3) inherited mutations related to cancer, and (4) inherited mutations related to other medical issues. These choices will be presented to them via a discussion with study staff with accompanying paper information

OTHERGenetics Advisor Decision Aid

Participants will be given the option to receive different types of results from genomic sequencing. The participants will be given access to a web-based decision aid that elicits participants' values and preferences for receiving results from cancer genomic sequencing to guide them making a decision about what types of results they would like to receive. Participants will be able to choose to receive: (1) no results, or any combination of (2) biomarker information from cancer cells, (3) inherited mutations related to cancer, and (4) inherited mutations related to other medical issues.

Sponsors

Washington University School of Medicine
Lead SponsorOTHER
National Cancer Institute (NCI)
CollaboratorNIH

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
HEALTH_SERVICES_RESEARCH
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

Eligibility Criteria: * Enrolled in the WU-PE-CGS study (IRB#202106129); that eligibility entails: * Diagnosis of cholangiocarcinoma * Diagnosis of multiple myeloma, must be African American * Diagnosis of colorectal cancer, must be African American and age 65 or older at time of diagnosis * At least 18 years old. * Able to understand an IRB-approved informed consent document and agree to participation * Have access to a personal computer, tablet or mobile device

Design outcomes

Primary

MeasureTime frameDescription
Change in self-efficacy about genomic test resultsBaseline, after viewing assigned materials (day 1), and 3-months after enrollment7-item, Likert scale. This scale has 5 points ranging from strongly disagree to strongly agree. 1= Strongly disagree, 2= Disagree, 3= Neither Agree nor Disagree, 4= Agree, 5= Strongly Agree. All items are scored such that 'strongly agree' reflects a correct response and 'agree' reflects a less confident correct response in the correct direction. This will be scored by adding up the numbers for each of the 7 items regarding self-efficacy. The total score ranges from 7 to 35. A higher score for the participant represents higher participant self-efficacy.

Secondary

MeasureTime frameDescription
Change in decisional conflictAfter viewing assigned materials (day 1) and 3-months after enrollment17-item, Likert scale. This scale has 5 points ranging from strongly agree to strongly disagree. 1=Strongly Agree, 2=Agree, 3=Neither Agree nor Disagree, 4=Disagree, 5=Strongly Disagree. All items are scored such that 'strongly disagree' reflects an incorrect response and 'disagree' reflects a less confident incorrect response in the incorrect direction. This will be scored by adding up the numbers for each of the 17 items regarding decisional conflict. The total score ranges from 17 to 85. The higher score for the participant represents higher participant decisional conflict.
Change in knowledge of clinical genetic testingAfter viewing assigned materials (day 1) and 3-months after enrollment12-item, Likert scale. This scale has 5 points ranging from strongly agree to strongly disagree. 1=Strongly Agree, 2=Agree, 3=Neither Agree nor Disagree, 4=Disagree, 5=Strongly Disagree for items (4, 6-12) are scored such that 'strong disagree' reflects a correct response and 'somewhat disagree' reflects a less confident correct response in the correct direction. Negatively worded items (items 1, 2, 3, 5) are reverse scored so that "strongly agree' reflected a correct response and 'somewhat agree' reflected a less confident response in the correct direction. This will be scored by adding up the numbers for each of the 11 items regarding participant knowledge of clinical genetic testing. The total score ranges from 12 to 60. A higher score for the participant represents higher participant knowledge.
Change in expectations for potential benefits of cancer genomic sequencingAfter viewing assigned materials (day 1) and 3-months after enrollmentParticipants will rate their expectation for 6 potential benefits of cancer genomic sequencing on a 4-point scale ranging from extremely unlikely to extremely likely. . 1= Extremely unlikely, 2= Unlikely, 3= Likely, 4= Extremely likely. This will be scored by adding up the numbers for each of the 6 items regarding participant expectations of benefit. The total score ranges from 6 to 24. A higher score for the participant represents higher levels of expectations.
Decisional conflict scores categorized by demographic factorsAfter viewing assigned materials (day 1) and 3-months after enrollment17-item, Likert scale. This scale has 5 points ranging from strongly agree to strongly disagree. 1=Strongly Agree, 2=Agree, 3=Neither Agree nor Disagree, 4=Disagree, 5=Strongly Disagree. All items are scored such that 'strongly disagree' reflects an incorrect response and 'disagree' reflects a less confident incorrect response in the incorrect direction. This will be scored by adding up the numbers for each of the 17 items regarding decisional conflict. The total score ranges from 17 to 85. The higher score for the participant represents higher participant decisional conflict. Demographic factors include age, race, SES, and geographic residence.
Knowledge scores categorized by demographic factorsAfter viewing assigned materials (day 1) and 3-months after enrollment12-item, Likert scale. This scale has 5 points ranging from strongly agree to strongly disagree. 1=Strongly Agree, 2=Agree, 3=Neither Agree nor Disagree, 4=Disagree, 5=Strongly Disagree for items (4, 6-12) are scored such that 'strong disagree' reflects a correct response and 'somewhat disagree' reflects a less confident correct response in the correct direction. Negatively worded items (items 1, 2, 3, 5) are reverse scored so that "strongly agree' reflected a correct response and 'somewhat agree' reflected a less confident response in the correct direction. This will be scored by adding up the numbers for each of the 11 items regarding participant knowledge of clinical genetic testing. The total score ranges from 12 to 60. A higher score for the participant represents higher participant knowledge. Demographic factors include age, race, SES, and geographic residence.
Decisional conflict scores categorized by genomic literacyAfter viewing assigned materials (day 1) and 3-months after enrollmentGenomic literacy will be measured at baseline. 14 items. For 7 items participants will rate their familiarity with genetic terminology on a 7 point scale ranging from strongly disagree to strongly agree. 1= Strongly disagree, 7= Strongly agree. This portion ill be scored by adding up the numbers for each of these 7 items. The total score on this portion ranges from 7 to 49. An additional 7 questions ask participants to fill in a missing word in a statement about genetics. These 7 items are multiple-choice questions and are scored by adding up the number of correct answers. The score on this portion ranges from 0 to 7.
Knowledge scores categorized by genomic literacyAfter viewing assigned materials (day 1) and 3-months after enrollmentGenomic literacy will be measured at baseline. 14 items. For 7 items participants will rate their familiarity with genetic terminology on a 7 point scale ranging from strongly disagree to strongly agree. 1= Strongly disagree, 7= Strongly agree. This portion ill be scored by adding up the numbers for each of these 7 items. The total score on this portion ranges from 7 to 49. An additional 7 questions ask participants to fill in a missing word in a statement about genetics. These 7 items are multiple-choice questions and are scored by adding up the number of correct answers. The score on this portion ranges from 0 to 7.
Decisional conflict scores categorized by genomic sequencing testing attitudesAfter viewing assigned materials (day 1) and 3-months after enrollmentGenomic sequencing testing attitudes is measured at baseline. 6-items. This scale has 4 points ranging from 'strongly disagree' to 'strongly agree'. 1= Strongly disagree, 4=Strongly agree. This is scored by adding up the numbers for each of the 6 items. The score ranges from 6 to 24. A higher score indicates a higher participant level of trust in genomic research participation.
Knowledge scores categorized by genomic sequencing testing attitudesAfter viewing assigned materials (day 1) and 3-months after enrollmentGenomic sequencing testing attitudes is measured at baseline. 6-items. This scale has 4 points ranging from 'strongly disagree' to 'strongly agree'. 1= Strongly disagree, 4=Strongly agree. This is scored by adding up the numbers for each of the 6 items. The score ranges from 6 to 24. A higher score indicates a higher participant level of trust in genomic research participation.
Decisional conflict scores categorized by clinical characteristicsAfter viewing assigned materials (day 1) and 3-months after enrollment7-item, Likert scale. This scale has 5 points ranging from strongly disagree to strongly agree. 1= Strongly disagree, 2= Disagree, 3= Neither Agree nor Disagree, 4= Agree, 5= Strongly Agree. All items are scored such that 'strongly agree' reflects a correct response and 'agree' reflects a less confident correct response in the correct direction. This will be scored by adding up the numbers for each of the 7 items regarding self-efficacy. The total score ranges from 7 to 35. A higher score for the participant represents higher participant self-efficacy. Clinical characteristics include cancer type, stage at diagnosis, and primary treatment.
Knowledge scores categorized by clinical characteristicsAfter viewing assigned materials (day 1) and 3-months after enrollment12-item, Likert scale. This scale has 5 points ranging from strongly agree to strongly disagree. 1=Strongly Agree, 2=Agree, 3=Neither Agree nor Disagree, 4=Disagree, 5=Strongly Disagree for items (4, 6-12) are scored such that 'strong disagree' reflects a correct response and 'somewhat disagree' reflects a less confident correct response in the correct direction. Negatively worded items (items 1, 2, 3, 5) are reverse scored so that "strongly agree' reflected a correct response and 'somewhat agree' reflected a less confident response in the correct direction. This will be scored by adding up the numbers for each of the 11 items regarding participant knowledge of clinical genetic testing. The total score ranges from 12 to 60. A higher score for the participant represents higher participant knowledge. Clinical characteristics include cancer type, stage at diagnosis, and primary treatment.

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORErin Linnenbringer, Ph.D., MS

Washington University School of Medicine

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Sep 10, 2026