- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04004546
Improving Medication Adherence Through a Health Literacy-based Intervention for Coronary Heart Disease Patients
Improving Medication Adherence Through a Health Literacy-based Intervention for Coronary Heart Disease Patients With Low Health Literacy
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The project will be conducted in 2 phases. Phase 1 is to develop the health literacy-based intervention that consists of a video and an education booklet. Phase 2 is to conduct a pilot study to evaluate the effectiveness of the intervention. A total of 60 participants with low health literacy and diagnosed with CHD will be recruited in two settings. Data will be collected at baseline and 4-weeks after enrollment. The following data will be collected:
At baseline: Socio-demographic information (e.g. age, gender, education level, income, past medical history, social support), health literacy (eligibility screening at time of recruitment), CHD knowledge, medication adherence, and medication self-efficacy.
4-weeks after enrollment: medication self-efficacy and medication adherence.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Elaine Siow, PhD
- Phone Number: (+852) 39439303
- Email: elainesiow@cuhk.edu.hk
Study Locations
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New Territories
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Sha Tin, New Territories, Hong Kong
- Recruiting
- The Nethersole School of Nursing, The Chinese University of Hong Kong
-
Contact:
- Elaine Siow, PhD
- Phone Number: (+852) 39439303
- Email: elainesiow@cuhk.edu.hk
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-
-
-
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Taipei, Taiwan
- Not yet recruiting
- School of Nursing, National Taiwan University
-
Contact:
- Nien-Tzu Chang, PhD
- Phone Number: 88433 (+886) 2 23123456
- Email: ntchang@ntu.edu.tw
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Aged ≥18 years and diagnosed with CHD.
- Currently receiving pharmacological therapy such as statins, anti-platelet and/or blood thinner, beta-blockers, calcium channel blockers, nitroglycerin, and angiotensin- converting enzyme inhibitors (ACE).
- Low health literacy score of 9 or less as measured using the short-form Mandarin Health Literacy Scale (s-MHLS).
Exclusion Criteria:
- History of significant cognitive impairment, psychiatric disorders, and aphasia.
- Without access to a telephone or unable to give telephone contact.
- Currently enrolled in another program or clinical trial.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: SUPPORTIVE_CARE
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: DOUBLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
NO_INTERVENTION: Control group
Usual care
|
|
EXPERIMENTAL: Intervention group
At baseline: video and education booklet.
2-weeks after enrollment: telephone call by nurse.
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Participants in the intervention group will receive a: i) 30-min video about medication adherence, ii) medication adherence booklet, and iii) 2-week telephone call by a nurse.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline medication adherence at 4-weeks follow-up
Time Frame: Baseline and 4-weeks follow-up
|
Measured using the Chinese version of the Hill-Bone Medication Adherence Scale (HB-MAS).
The HB-MAS is a self-reported measure of the extent of medication adherence.
The HB-MAS consists of 9 questions with each item rated on a 4-point scale (1 = none of the time; 2 = some of the time; 3 = most of the time; and 4 = all of the time).
The total score ranges from 9 (minimum) to 36 (maximum), where lower scores indicate higher levels of medication adherence.
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Baseline and 4-weeks follow-up
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change from baseline medication self-efficacy at 4-weeks follow-up
Time Frame: Baseline and 4-weeks follow-up
|
Measured using the Chinese version of the Self-Efficacy for Appropriate Medication Use (C-SEAMS).
The C-SEAMS is a self-reported measure of the extent of confidence in taking medications.
The C-SEAMS consists of 13 questions with each item rated on a 3-point scale (1 = not confident; 2 = somewhat confident; 3 = very confident).
The total score ranges from 13 (minimum) to 39 (maximum), where higher scores indicate higher levels of self-efficacy for medication use.
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Baseline and 4-weeks follow-up
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Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Health literacy
Time Frame: Baseline
|
Measured using the short-form Mandarin Health Literacy Scale (s-MHLS).
The s-MHLS consists of 11 questions to determine an individual's functional health literacy in terms of their ability to read, comprehend, and utilize basic health information in making personal health decisions.
The sum of correct responses range from 0 (minimum) to 11 (maximum), where higher scores indicate higher levels of health literacy.
Individuals with a total score of 9 or less are considered as having low health literacy.
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Baseline
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Perceived social support
Time Frame: Baseline
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Measured using the Chinese version of the Medical Outcomes Study social support survey (MOS-SSS-C).
The MOS-SSS-C consists of 19 items that measure 4 subscales of social support: emotional/informational support, tangible support, affectionate support, and positive social interaction.
Participants are required to rate each item on a 5-point scale (1 = none of the time; 2 = a little of the time; 3 = some of the time; 4 = most of the time; 5 = all of the time).
The average of the 4 subscale scores will be used to calculate the overall score that ranges from 0 (minimum) to 100 (maximum), where higher scores indicate better perceived social support.
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Baseline
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CHD knowledge
Time Frame: Baseline
|
Measured using the modified Chinese version of the knowledge inventory (m-CKI).
The m-CKI is used to assess the individual's knowledge about CHD.
The m-CKI consists of 32 multiple-choice questions with 5 options for each question.
The sum of correct responses range from 0 (minimum) to 32 (maximum), where higher scores indicate better knowledge about CHD.
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Baseline
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Elaine Siow, PhD, Chinese University of Hong Kong
- Principal Investigator: Chang Nien-Tzu, PhD, National Taiwan University
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 (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 4750368
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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