- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03490253
Diabetes and Depression Text Messaging Intervention (DIAMANTE)
Improving Diabetes and Depression Self-management Via Adaptive Mobile Messaging
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
We utilized user-centered design (UCD) methods to iteratively develop the DIAMANTE content and text messaging system through three iterative phases of UCD with ten patients each (total n=30). The first phase consisted of 1.5-hour individual semi-structured interviews. Findings from phase 1 were used to inform content and information delivery decisions of the final intervention, including selecting the thematic message categories and the design. In the second phase, patients tested out an early prototype of the mobile application through usability testing. Patients tested the final DIAMANTE intervention including thematic message content and the application in the third, final UCD phase, in order to address any user-related issues prior to launching the randomized control trial.
In the DIAMANTE Randomized Controlled Trial, we aim to examine the effect of a smartphone app that uses reinforcement learning to predict the most effective messages for increasing physical activity. We will recruit 276 low-income minority patients with depression and diabetes within he San Francisco Health Network. We will compare this intervention to static messages with health management content, and a control group that only receives a weekly mood message.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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California
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San Francisco, California, United States, 94110
- Zuckerberg San Francisco General Hospital/University of California, San Francisco
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- HbA1c (Hemoglobin A1c) > 7
- PHQ-8 (Patient Health Questionnaire-8) > 5
Exclusion Criteria:
- high levels of physical activity (>30 minutes of moderate to vigorous activity per day)
- pregnancy
- inability to exercise due to physical disability
- serious mental illness
- unable to read and write in English or Spanish
- plans to leave the country for extended periods of time during the trial
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Static Messaging
We will send patients a total of seven messages per week (one per day) at 10.00 am.
For the physical health management messages we use messages from established topics in the Diabetes Prevention Program(23) content with the emphasis on physical activity and stress management.
The final message, on the seventh day will ask patients to rate their mood on a scale from 1 to 9. Physical activity (step-count/day) will be passively monitored via the app on their smartphone.
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The static intervention group receives health information text-messages, typical of existing text-messaging interventions for diabetes and depression.
Other Names:
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Experimental: Adaptive Messaging
Patients in the adaptive messaging arm will receive the daily messages of the static arm, and additionally receive daily messages within different categories of feedback and motivational messages that are chosen using a reinforcement learning (RL) algorithm.
Physical activity (step-count/day) will be actively monitored via the app on their smartphone.
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In a three arm randomized controlled trial we will examine the effect of a text-messaging smartphone application to encourage physical activity in low-income ethnic minority patients with comorbid diabetes and depression.
The adaptive intervention group receives messages chosen by a reinforcement learning algorithm.
Other Names:
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No Intervention: Control Condition
Control patients will only install the app on their phone and will not receive any feedback messages.
They will receive one message a week, on a fixed day, asking them to assess their mood in the previous week on a scale of 1 to 9. The message will be sent daily at 10:00 am.
Non-responders will receive reminders to submit their mood self-assessments in two hour intervals.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Physical Activity
Time Frame: 6 months
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Our primary outcome, change in daily step counts, will be passively collected by a mobile phone application during the time that patients remain in the intervention.
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6 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Hemoglobin A1c
Time Frame: 6 months
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We will derive HbA1c, the average plasma glucose over the previous eight to 12 weeks, recommended as a means to diagnose diabetes (20), from patients' electronic health records (EHR).
We will use the most recent, available measurement from a maximum of 12 months before participating in the study.
After 6 months, we will again assess the most recent HbA1c (pulling from patients EHR), ensuring that at least 3 months elapsed between baseline and follow-up HbA1c levels.
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6 months
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Patient Health Questionnaire-8 (PHQ-8)
Time Frame: 6 months
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We will compare the self-reported PHQ-8 from medical records at baseline, intervention completion, and at the 6 month follow-up.
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6 months
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Collaborators and Investigators
Investigators
- Principal Investigator: Courtney Lyles, PhD, University of California, San Francisco
Publications and helpful links
General Publications
- Aguilera A, Schueller SM, Leykin Y. Daily mood ratings via text message as a proxy for clinic based depression assessment. J Affect Disord. 2015 Apr 1;175:471-4. doi: 10.1016/j.jad.2015.01.033. Epub 2015 Jan 29.
- Lyles CR, Ratanawongsa N, Bolen SD, Samal L. mHealth and Health Information Technology Tools for Diverse Patients with Diabetes. J Diabetes Res. 2017;2017:1704917. doi: 10.1155/2017/1704917. Epub 2017 Feb 23. No abstract available.
- Nouri SS, Avila-Garcia P, Cemballi AG, Sarkar U, Aguilera A, Lyles CR. Assessing Mobile Phone Digital Literacy and Engagement in User-Centered Design in a Diverse, Safety-Net Population: Mixed Methods Study. JMIR Mhealth Uhealth. 2019 Aug 29;7(8):e14250. doi: 10.2196/14250.
- Avila-Garcia P, Hernandez-Ramos R, Nouri SS, Cemballi A, Sarkar U, Lyles CR, Aguilera A. Engaging users in the design of an mHealth, text message-based intervention to increase physical activity at a safety-net health care system. JAMIA Open. 2019 Oct 11;2(4):489-497. doi: 10.1093/jamiaopen/ooz049. eCollection 2019 Dec.
- Hernandez-Ramos R, Aguilera A, Garcia F, Miramontes-Gomez J, Pathak LE, Figueroa CA, Lyles CR. Conducting Internet-Based Visits for Onboarding Populations With Limited Digital Literacy to an mHealth Intervention: Development of a Patient-Centered Approach. JMIR Form Res. 2021 Apr 29;5(4):e25299. doi: 10.2196/25299.
- Figueroa CA, Aguilera A, Chakraborty B, Modiri A, Aggarwal J, Deliu N, Sarkar U, Jay Williams J, Lyles CR. Adaptive learning algorithms to optimize mobile applications for behavioral health: guidelines for design decisions. J Am Med Inform Assoc. 2021 Jun 12;28(6):1225-1234. doi: 10.1093/jamia/ocab001.
- Aguilera A, Figueroa CA, Hernandez-Ramos R, Sarkar U, Cemballi A, Gomez-Pathak L, Miramontes J, Yom-Tov E, Chakraborty B, Yan X, Xu J, Modiri A, Aggarwal J, Jay Williams J, Lyles CR. mHealth app using machine learning to increase physical activity in diabetes and depression: clinical trial protocol for the DIAMANTE Study. BMJ Open. 2020 Aug 20;10(8):e034723. doi: 10.1136/bmjopen-2019-034723.
- Figueroa CA, Deliu N, Chakraborty B, Modiri A, Xu J, Aggarwal J, Jay Williams J, Lyles C, Aguilera A. Daily Motivational Text Messages to Promote Physical Activity in University Students: Results From a Microrandomized Trial. Ann Behav Med. 2022 Feb 11;56(2):212-218. doi: 10.1093/abm/kaab028.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
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
- R01HS025429-02 (U.S. AHRQ Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- CSR
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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