- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02914197
Giving Information on the Risks and Limitations of Mammography Screening (GIRLS) (GIRLS)
Giving Information on the Risks and Limitations of Mammography Screening (GIRLS): a Randomized Controlled Trial
Study Overview
Detailed Description
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Dee Mangin, MBChB, DPH, FRNZCGP
- Phone Number: 21219 905-525-9140
- Email: mangind@mcmaster.ca
Study Contact Backup
- Name: Jessica Langevin, MPH
- Phone Number: 21232 905-525-9140
- Email: langevjn@mcmaster.ca
Study Locations
-
-
Ontario
-
Hamilton, Ontario, Canada, L8P1H6
- Recruiting
- McMaster University, Department of Family Medicine
-
Contact:
- Jessica Langevin, MPH
- Phone Number: 21232 905-525-9140
- Email: langevjn@mcmaster.ca
-
Principal Investigator:
- Dee Mangin, MB ChB
-
Principal Investigator:
- Dale Guenter, MD
-
Principal Investigator:
- Cathy Risdon, MD
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patient on the active roster of physicians of MUSIC (McMaster University Sentinel and Information Collaboration; McMaster Family Health Team).
- Due for a mammogram (have not had a mammogram ≥ 18 months) according to Canadian screening interval recommendations for routine screening.
Exclusion Criteria:
- Previous history of invasive or non-invasive breast cancer.
- At higher risk for breast cancer compared to the general population i.e. identified as having the BRCA1 or BRCA2 gene, immediate family member has had breast cancer.
- Have had a mammogram within the last 18 months (< 18 months).
Study Plan
How is the study designed?
Design Details
- Primary Purpose: HEALTH_SERVICES_RESEARCH
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: TRIPLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: Full information
The intervention arm will receive full information on the risks and benefits of mammography through:
|
Patients will be randomized to receive full information or standard information at the study start.
The second wave will follow the same randomization process 6 months following the study start.
|
NO_INTERVENTION: Control
Standard information leaflet for breast screening from Cancer Care Ontario
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Self-efficacy
Time Frame: 1 month
|
Decision Self-Efficacy Scale
|
1 month
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Informed Choice (Knowledge)
Time Frame: 1 month
|
Informed choice is comprised of knowledge, attitudes and intention/decisions. Informed choice will be measured using intention to screen at the first data collection point and screening participation at the second and third data collection point. Knowledge will be measured using the Multidimensional Measure of Informed Choice (MMIC). |
1 month
|
Informed Choice (Attitude)
Time Frame: 1 month
|
Informed choice is comprised of knowledge, attitudes and intention/decisions. Informed choice will be measured using intention to screen at the first data collection point and screening participation at the second and third data collection point. Attitudes will be measured using the Multidimensional Measure of Informed Choice (MMIC). |
1 month
|
Informed Choice (Intention)
Time Frame: 1 month
|
Informed choice is comprised of knowledge, attitudes and intention/decisions. Informed choice will be measured using intention to screen at the first data collection point and screening participation at the second and third data collection point. Intention to screen will be measured using a 5-point Likert scale. |
1 month
|
Decisional Conflict
Time Frame: 1 month
|
SURE (Decisional Conflict Scale- SURE Test for clinical practice)
|
1 month
|
Anxiety
Time Frame: 1 month
|
Women will be asked about their anxiety towards participating in breast screening after reading their information pamphlet using a 4-point Likert scale.
|
1 month
|
Trust in Medical System
Time Frame: 1 month
|
MMI (Medical Mistrust Index)
|
1 month
|
Perception of Health Provider Recommendation
Time Frame: 1 month
|
Women will be asked to assess their perception of the strength of the recommendation that their health care provider makes with respect to breast screening.
|
1 month
|
Information Relevant to the Decision Making Process
Time Frame: 1 month
|
Women will be asked to describe the information that was relevant to their individual decision making process.
|
1 month
|
Decision Regret
Time Frame: 12 month
|
Decision Regret Scale
|
12 month
|
Screening Participation
Time Frame: 6 months and 12 months
|
Data on a women's decision to undergo screening through mammography will be obtained from patient's electronic medical record.
|
6 months and 12 months
|
Acceptance of a Decision Aid in Primary Care
Time Frame: 12 months
|
Clinician staff will be asked to list the five best things and five worst things about the implementation of a patient focused decision aid.
|
12 months
|
Knowledge of the Benefits and Risks of Mammography
Time Frame: 1 month
|
Multiple choice question on knowledge of breast cancer mortality reduction and over-diagnosis.
|
1 month
|
Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2016-001
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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