- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04458766
The Use of Mobile Health Technology and Behavioral Economics to Encourage Adherence in Adolescents
The Use of Mobile Health Technology and Behavioral Economics to Encourage Adherence to Statins in Adolescents With Familial Hypercholesterolemia
Study Overview
Status
Intervention / Treatment
Detailed Description
Preventing cardiovascular disease (CVD) in children and adolescents depend partly on the efficacy of the patients' self-management of their disease between clinic visits. One example of a health behavior that is particularly important for patients with CVD is medication adherence. Although the development of statins provides an opportunity to substantially reduce this risk of CVD, adherence to statins in both adults and adolescents is frequently inadequate. In recent study of youth prescribed a statin using claims data, nearly 75% of adolescents have at least one 90-day period of nonadherence. In adults, statin nonadherence is often as low as 50% and is associated with an increased risk for of CVD events and all-cause mortality, as well as almost $44 billion annually in additional health care costs. Unfortunately, successful interventions to improve statin adherence in adults are rare and there are no formally tested interventions to improve statin adherence in adolescents.
It is critical novel interventions are developed that address medication adherence in adolescents with chronic diseases that increase the risk of CVD. Studies in adolescents with other diseases demonstrate that they appear to be particularly vulnerable to nonadherence across a wide-variety of conditions, including in adolescents with solid organ transplants and diabetes mellitus. Unfortunately, previous studies using text messaging reminders to take a medication or computerized action plans have not consistently shown positive results. Therefore, the significance of this proposal is that I will pilot a novel mobile health (mHealth) intervention that incorporates two theories in behavioral economics, Present Bias and Loss Aversion, to develop a better understanding of barriers to medication adherence in adolescents with cardiovascular risk factors.
Traditional economic theory suggests that providing individuals with incentives to complete an action will lead to increased frequency of the occurrence of the desired action. However, behavioral economics studies in adult populations suggest that not all incentive structures are effective and that some incentives may act like negative enforcers. Studies suggest that patients are biased towards the present and often discount future risks, which is termed Present Bias. For instance, studies of Present Bias suggest that even small rewards, if provided frequently and immediately after a participant completes a desired task can improve adherence in adults. This strategy can be improved by using the principles of Loss Aversion, which suggest that individuals place more value on money or objects that they have than on new objects of the same value. Therefore, incentives framed as a loss can be more powerful than if it is framed as a gain. Unfortunately, only a few studies in adolescents have incorporated behavioral economics into interventions aimed at behavior change. One promising study in youth with type 1 diabetes mellitus found behavioral economics approaches could influence adherence to insulin regimens and glucose monitoring. Whereas diabetes mellitus is symptomatic if not properly managed, statins typically are used as primary prevention in asymptomatic patients with familial hypercholesterolemia (FH), which may require unique incentive structures. Although monetary incentives have been used with varying degrees of success in adults, it is unclear if these findings translate to adolescents. Adolescents may discount future events more, have different attitudes towards health, and have less mature cognitive function and capacities than adults. In addition, interventions that improve medication adherence are often resource intensive, which decreases the likelihood of larger scale implementation. Using an mHealth application may reduce costs by automating processes previously requiring human time and resources. Further, an mHealth intervention may be more successful as it uses a medium that is ubiquitous in adolescence. For instance, mobile applications that use gamification have demonstrated that adolescents find these health applications engaging and that they are interested in using mHealth in the management of their disease across a diverse set of socioeconomic and cultural backgrounds. As many health behaviors track into adulthood, establishing healthy behaviors early is crucial, which requires using developmentally appropriate interventions to promote adherence and ultimately minimize the risk of CVD.
APPROACH Determine the efficacy of a monetary incentive to improve medication adherence. Aim 1.1 The investigators will determine the baseline adherence level in adolescents with FH prescribed a statin using the Morisky Medication Adherence Scale (MMAS).
Aim 1.2 The investigators will determine the efficacy of a monetary incentive on medication adherence. Patients who are found to have low adherence according to the MMAS in Aim 1.1 will be enrolled into an intervention using the Wellth® mobile health application (Wellth App).
Aim 1.3 Next, the investigators will determine adherence 60 days after the incentives have been discontinued using the tracking features in the Wellth App and the MMAS.
Description of Wellth Application (Wellth App) The Wellth App has the following three features/functions: 1) it reminds users to take the prescribed medication through alerts/notifications on the smart phone; 2) it records medication adherence by determining whether the user takes the prescribed medication in the allotted time frame through photographic evidence termed a "check in"; and 3) it determines whether the predetermined reward is delivered to the patient instantly. The first function reminds the patient with an audible or haptic alert (i.e., vibration) using the phone's alert notification function. These alerts are not delivered through an email or text messaging service, but rather are similar to news alerts, alarms, or low battery notifications. The second function of the Wellth app is to document whether a patient takes the prescribed medication within the correct period of time. The Wellth App determines adherence by having the patient to take a photograph of the correct dose of medication out of the bottle/container and in the patient's hand using the Wellth app and smart phone's built-in camera. This will provide a time-stamped and individually-linked document of adherence. For example, a valid photograph in the current study would be a photograph of a statin tablet in the patient's hand during a calendar day that starts at 00:00 and ends at 23:59. If no photograph is captured within this time period, the subject is considered non-adherent. Taking more than one dose of the medication another day does not "make up" for previous missed days, even if it is recommended by a health care provider.
Participants will be able to download the app to their smartphone without any additional software or encryption needed. In order to prevent patients from being excluded based on the costs of the necessary hardware, the investigators will provide a smartphone and data plan free of charge to patients based on an existing partnership if needed. Patients use the App to receive reminders, make check-ins, check their reward balance, and view their adherence history.
Description of the reward system:
In this proposal, subjects will receive money to incentivize adherence. Subjects will receive a $30 credit at 30-day intervals, which can only be spent at the end of the 30-day period. For each payout, the full $30 will be earned only if the individual submits all the required photos of his/her medications each day through the Wellth app. For each missed check-in, the subject loses $2 from the amount to be paid out at the end of the 30-day period. In this study, there will be two consecutive 30-day periods in which the subject can earn rewards. After this 60-day period, the subject will continue to use the Wellth App to document adherence for 60 days, but will not receive any rewards during this time period. The final 60-day period is used to determine if the reward period has influence on medication adherence after the incentive is stopped.
Adherence will be measured by two methods. The first will be through the Morisky Medication Adherence Scale (MMAS) and the second will be using the proportion of prescribed pills taken. The choice to measure adherence with two methods is because the investigators only want to include patients who have poor adherence in the study. As self-reported adherence may be inaccurate, the investigators will use the validated Morisky Medication Adherence Scale (MMAS) to assess baseline adherence. However, during the study period, adherence will be measured much more accurately through the use of the Wellth App. As the score of the MMAS cannot be converted to the proportion of prescribed pills taken, the investors will simply measure changes in MMAS score throughout the study as well as measure changes in the proportion of prescribed days taken. The investigators provide power calculations for both scenarios below. Participants will complete the MMAS at the screening visit, after the 60-day intervention, and 60 days after the intervention ends. The investigators will measure adherence using the Wellth app continuously once the subject has access to the Wellth app. The adherence values used for analysis will be the proportion of pills prescribed in which the subjects completes a "checked in" during the three following periods: a) "pre-intervention period" of 14 days prior to the start of incentive period, b) the entirety of the Incentive Period, and c) the final 30 days after the Post-Incentive period. Sensitivity analysis will also compare adherence in the last 14 days of each period.
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Jacob C Hartz, MD,MPH
- Phone Number: 617-355-0955
- Email: jacob.hartz@cardio.chboston.org
Study Contact Backup
- Name: Sarah D de Ferranti, MD,MPH
- Phone Number: 617-355-0955
- Email: sarah.deferranti@cardio.chboston.org
Study Locations
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02115
- Recruiting
- Boston Children's Hospital
-
Contact:
- Hannah Palfrey
- Phone Number: 617-355-0955
- Email: Hannah.palfrey@childrens.Harvard.edu
-
Principal Investigator:
- Jacob Hartz, MD, MPH
-
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Diagnosis of FH based on National Lipid Association (NLA) criteria and/or genetic testing
- Prescribed a statin
- Be able to provide written, informed consent or have a parent/guardian provide written, informed consent
- Be able to use a mobile phone and application
- Morisky Medication Adherence Scale score of ≤ 6
Exclusion Criteria:
- Diagnosis of Homozygous FH
- Residence in a long-term care facility where medications are administered
- May become pregnant
- History of adverse effect or allergy to a statin, or any ingredient in a statin
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Interventions
All subjects in this trial will receive the following interventions:
|
This intervention will assess the efficacy of subjects using the Wellth mobile phone application to provide reminders to take their statin medication, and receiving monetary incentives for taking their medication as prescribed.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
1.1: Baseline adherence level
Time Frame: Day 0
|
Baseline adherence level to determine eligibility of subjects
|
Day 0
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1.2: Change in adherence with monetary incentives
Time Frame: Days 14-74
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Change in statin adherence in enrolled subjects following an intervention that includes access to the Wellth mobile phone application with reminders to take their medication, and will receive monetary incentives for taking medication as prescribed.
|
Days 14-74
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1.3: Change in adherence withOUT monetary incentives
Time Frame: Days 75-134
|
Change in statin adherence in enrolled subjects following an intervention that includes access to the Wellth application with reminders to take their medication, but with no monetary incentives.
|
Days 75-134
|
Collaborators and Investigators
Publications and helpful links
General Publications
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Helpful Links
- Ref 1: Statins for the prevention of cardiovascular events
- Ref 30: Doing it now or later.
- Ref 31: Are experimental economists prone to framing effects? A natural field experiment.
- Ref 34: Intrinsic and extrinsic motivation.
- Ref 41: Cell phone and smartphone ownership demographics.
- Red 47: Promoting adherence and increasing life span
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
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
- 1K23HL145109-01A1 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Study Data/Documents
-
MMAS-8 with permission from Dr Donald Morisky. as written below:
Information comments: The MMAS-8 Scale, content, name, and trademarks are protected by US copyright and trademark laws. Permission for use of the scale and its coding is required. A license agreement is available from MMAR, LLC.
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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