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| ID | Type | Description | Link |
|---|---|---|---|
| R01HG011902 | U.S. NIH Grant/Contract | View source |
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| Name | Class |
|---|---|
| National Human Genome Research Institute (NHGRI) | NIH |
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Although pre-test genetic counseling is widely recommended and has come to dominate genetic counseling practice, tailored results-focused genetic counseling could both increase genetic counseling efficiency and improve genetic counseling outcomes for the growing number of patients seeking genetic testing for recommended genome-guided medical management. This study will test that hypothesis in adults referred for cardiovascular genetic counseling and testing at the Johns Hopkins Center for Inherited Heart Diseases. This study is a three-arm randomized clinical trial to evaluate two complementary approaches to shifting the primary genetic counseling session to post-test for 510 adults with two broad cardiovascular genetic counseling indications: diagnostic panel testing and family-specific variant testing. The investigators will compare usual care (pre-test genetic counseling appointment, results returned by phone / electronic health record) with online video-based pre-test tailored genetic education with an optional (efficiency arm) or required (flipped arm) phone call with a genetic counselor followed by a post-test genetic counseling appointment. The investigators hypothesize that post-test genetic counseling will: 1) increase efficiency, 2) promote patient empowerment and adherence, and 3) have similar genetic test-associated psychosocial impact.
This is a three-arm randomized clinical trial with a parallel-group design comparing usual care (pre-test genetic counseling, test results by phone/electronic health record (EHR)) to two approaches to post-test results-focused genetic counseling involving a pre-test educational video with an optional [efficiency arm] or required [flipped arm] phone call with a genetic counselor followed by a post-test genetic counseling appointment. Consented participants will be randomly allocated to the three study arms stratified by genetic testing indication (cardiovascular panel, family-specific variant). Questionnaires will be administered at 4 timepoints: 2 weeks before pre-test education/counseling (Q1), immediately after pre-test education/counseling and test ordered or declined (Q2), 2-weeks post-disclosure (Q3), and 6-months post-disclosure (Q4) (Aims 1-3). Data will be extracted from each participant's electronic health record (EHR) to record potential clinical covariates (Aims 1-3), validate self-reported adherence to medical recommendations (Aim 3), and obtain metrics to measure genetic counseling efficiency (Aim 4).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Standard of care | No Intervention | Pre-test genetic counseling appointment with results returned by phone or EHR. Post-test appointment available upon request. | |
| Efficiency | Experimental | Pre-test genetics education by educational video with an OPTIONAL call with a genetic counselor to address questions. Pre-test appointment available by request. Post-test genetic counseling appointment. |
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| Flipped | Experimental | Pre-test genetics education by educational video with a REQUIRED call with a genetic counselor to address questions. Pre-test appointment available by request. Post-test genetic counseling appointment. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| post-test cardiovascular genetic counseling with pre-test education by video | Behavioral | post-test cardiovascular genetic counseling with pre-test education by video |
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| Measure | Description | Time Frame |
|---|---|---|
| Change in empowerment as measured on the Genetic Counseling Outcomes Scale (GCOS) | Change in empowerment as measured on the Genetic Counseling Outcomes Scale (GCOS). The GCOS is 24-item Likert scale with a 7-item response set. Scores range from 24-168 with higher scores indicating higher empowerment. | Baseline up to 2-weeks after genetic counseling result appointment / disclosure |
| Anxiety as measured on the Hospital Anxiety and Depression Scale (HADS) | Anxiety as measured on the Hospital Anxiety and Depression Scale (HADS). The HADS contains 14 items measured on a 4-point Likert scale. The anxiety subscale contains 7 items. HADS subscale scores ≥8 indicate potentially clinically significant anxiety and depression and scores ≥10 a likely case. | 6-months post results disclosure |
| Medical adherence as assessed by proportion of completed screening tests | Proportion of recommended cardiology appointments and screening tests completed or scheduled | 6-months post results disclosure |
| Efficiency as assessed by minutes of direct counseling time | Total minutes of counseling time per patient documented in the electronic health record including visit and phone notes. | Up to 6-months post results disclosure |
| Measure | Description | Time Frame |
|---|---|---|
| Change in engagement as assessed by Patient Activation Measure | Change in patient engagement as measured by the short form of the Patient Activation Measure (PAM-13). The PAM-13 includes a 4-item Likert scale response set with higher scores indicating higher patient activation. To calculate the total PAM score, the raw score is divided by the number of items answered (excepting non-applicable items) and multiplied by 13. Then, this score is transformed to a scale with a theoretical range 0-100, based on calibration tables, with higher PAM scores indicating higher patient activation. |
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Inclusion Criteria:
Cardiovascular panel testing inclusion criteria:
Family specific variant testing inclusion criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Cynthia James | Johns Hopkins University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Johns Hopkins University | Baltimore | Maryland | 21287 | United States |
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| required phone call with genetic counselor pre-test | Behavioral | REQUIRED phone call with genetic counselor pre-test. |
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| optional phone call with genetic counselor pre-test | Behavioral | OPTIONAL phone call with genetic counselor pre-test |
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| Baseline, 6-months post results disclosure |
| Informed Choice as assessed by Multidimensional Model of informed Choice pilot scales | Multidimensional Model of informed Choice pilot scales for familial hypercholesterolemia (FH) and cardiomyopathy/arrhythmia testing will be used. This is a scale that combines a subscale with 8 True/false knowledge about cardiovascular genetics and genetic testing questions scored as number correct with a 5-item scale with a Likert scale response set assessing attitudes toward genetic testing. The entire scale is scored by combining knowledge, values and testing choice made. | up to 14 days post-education |