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The purpose of this research study is to see if a lottery which provides the opportunity to win money, a reminder system using a "Med-eMonitor", or the combination of both might be useful in helping patients to achieve better control of their anticoagulation therapy. Selection for the arms of the study is randomized by the study computer. Some will participate in the daily lottery only, some with the reminder system only, some with the reminder system and the daily lottery, and some with neither the lottery nor the reminder system.
Eligible subjects will be enrolled in one of the 4 arms of the RCT and followed for 6 months, with the primary outcome of out-of-range INRs. Subjects will be given a Med-eMonitor to connect to their home phone line. For all subjects, these will be used to measure daily adherence. Subjects in the incentive group will be eligible for a daily lottery prize only if, prior to the lottery being resolved, their adherence device has registered adherence to their prescribed warfarin regimen. Subjects in the MM group will have the reminder/feedback features of the Med-eMonitor turned on to provide reminders to take their warfarin as prescribed and standardized messages that will be used to provide feedback in response to their adherence. Subjects in the combined group will be exposed to both the lottery and the activated Med-eMonitor. This trial is a randomized controlled trial.
Both men and women who are at least 18 years of age and have been prescribed anticoagulation medication are eligible to participate.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 1 Usual Care Group/Control | Other | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication. The MM can display messages to the participant and can confirm when medication is taken correctly. |
|
| 2Med-eMonitor/Reminder | Experimental | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication and will be set on active mode for this group. The MM will display messages of encouragement to participants and education on the importance of taking their warfarin medication. The Med-eMonitor also features an alarm that will sound to remind participants to take their medication as scheduled. |
|
| 3 Incentive Group/Lottery | Experimental | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication. The MM can display messages to the participant. This group will also be entered into a daily lottery in which he/she can win money. On any given study day, participants have a 1 in 10 chance of winning $10 and 1 in 100 chance of winning $100 when taking their warfarin as prescribed. Participants must take their dose correctly in order to be eligible for the daily lottery. |
|
| 4 Combined Group/Lottery and Reminder |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Financial Incentive and Med-eMonitor | Behavioral | Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on any given day throughout the participant's duration in the study (6 months). Participants are assigned a number and each day a computer randomly draws a winning number. Participants whose number is drawn can only collect money if they have taken the medication correctly. Med-eMonitor: The Med-eMonitor is a device used to measure medication compliance. The device has 5 drawers in which the participants' medication is placed. When a drawer opens, a message displays on the monitor, and asks the participant if he/she is taking his/her medication for the day. The device registers their answers and sends the compliance information via the participants' telephone line nightly to a central study server. |
| Measure | Description | Time Frame |
|---|---|---|
| Improved Warfarin Adherence/% Timeout of Target INR Range | six months |
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Key Inclusion Criteria
The study population will include all patients at the study sites who:
Of note, patients do not have to be within their target INR range to enroll; we specifically want to include those who are below the target range at the time of study entry because they may be the patients most likely to be non-adherent.
Key Exclusion Criteria Patients will be excluded if they do not meet the above inclusion criteria,
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| Name | Affiliation | Role |
|---|---|---|
| Kevin Volpp, M.D., Ph.D. | University of Pennsylvania | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Hospital of the University of Pennsylvania Anticoagulation Management Center | Philadelphia | Pennsylvania | 19104 | United States | ||
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 27592594 | Result | Kimmel SE, Troxel AB, French B, Loewenstein G, Doshi JA, Hecht TE, Laskin M, Brensinger CM, Meussner C, Volpp K. A randomized trial of lottery-based incentives and reminders to improve warfarin adherence: the Warfarin Incentives (WIN2) Trial. Pharmacoepidemiol Drug Saf. 2016 Nov;25(11):1219-1227. doi: 10.1002/pds.4094. Epub 2016 Sep 4. | |
| 22877814 |
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| ID | Title | Description |
|---|---|---|
| FG000 | 1 Usual Care Group/Control | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication. The MM can display messages to the participant and can confirm when medication is taken correctly. Financial Incentive and Med-eMonitor: Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on any given day throughout the participant's duration in the study (6 months). Participants are assigned a number and each day a computer randomly draws a winning number. Participants whose number is drawn can only collect money if they have taken the medication correctly. Med-eMonitor: The Med-eMonitor is a device used to measure medication compliance. The device has 5 drawers in which the participants' medication is placed. When a drawer opens, a message displays on the monitor, and asks the participant if he/she |
| FG001 | 2Med-eMonitor/Reminder | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication and will be set on active mode for this group. The MM will display messages of encouragement to participants and education on the importance of taking their warfarin medication. The Med-eMonitor also features an alarm that will sound to remind participants to take their medication as scheduled. 2Med-eMonitor: Med-eMonitor is a device that subjects will be given that will monitor an individual's warfarin adherence. |
| FG002 | 3 Incentive Group/Lottery | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication. The MM can display messages to the participant. This group will also be entered into a daily lottery in which he/she can win money. On any given study day, participants have a 1 in 10 chance of winning $10 and 1 in 100 chance of winning $100 when taking their warfarin as prescribed. Participants must take their dose correctly in order to be eligible for the daily lottery. Financial Incentive and Med-eMonitor: Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on any given day throughout the participant's duration in the study (6 months). Participants are assigned a number and each day a computer randomly draws a winning number. Participants whose number is drawn can only collect money if they have taken |
| FG003 | 4 Combined Group/Lottery and Reminder | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication and will be set on active mode for this group. The MM will display messages of encouragement to participants and education on the importance of taking their warfarin medication. The Med-eMonitor also features an alarm that will sound to remind participants to take their medication as scheduled. Participants in this group will also be entered into a daily lottery. On any given study day, participants have a 1 in 10 chance of winning $10 and 1 in 100 chance of winning $100 when taking their warfarin medication as prescribed. Participants must take their dose correctly in order to be eligible for the daily lottery. Financial Incentive and Med-eMonitor: Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on an |
| Title | Milestones | Reasons Not Completed | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
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| ID | Title | Description |
|---|---|---|
| BG000 | 1 Usual Care Group/Control | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication. The MM can display messages to the participant and can confirm when medication is taken correctly.Financial Incentive and Med-eMonitor: Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on any given day throughout the participant's duration in the study (6 months). Participants are assigned a number and each day a computer randomly draws a winning number. Participants whose number is drawn can only collect money if they have taken the medication correctly. Med-eMonitor: The Med-eMonitor is a device used to measure medication compliance. The device has 5 drawers in which the participants' medication is placed. When a drawer opens, a message displays on the monitor, and asks the participant if he/she |
| Units | Counts |
|---|---|
| Participants |
|
| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Median |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Improved Warfarin Adherence/% Timeout of Target INR Range | This analysis required multiple INR results. If those were not available for a subject, they were excluded from the primary analysis. | Posted | Median | Inter-Quartile Range | percentage of out of target INR range | six months |
|
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | 1 Usual Care Group/Control | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication. The MM can display messages to the participant and can confirm when medication is taken correctly.Financial Incentive and Med-eMonitor: Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on any given day throughout the participant's duration in the study (6 months). Participants are assigned a number and each day a computer randomly draws a winning number. Participants whose number is drawn can only collect money if they have taken the medication correctly. Med-eMonitor: The Med-eMonitor is a device used to measure medication compliance. The device has 5 drawers in which the participants' medication is placed. When a drawer opens, a message displays on the monitor, and asks the participant if he/she |
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Stroke/TIA | Nervous system disorders | Systematic Assessment |
| Term | Organ System | Source Vocabulary | Assessment Type | Notes | Statistical Information |
|---|---|---|---|---|---|
| Non-Serious Bleeding | Blood and lymphatic system disorders | Systematic Assessment |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| Stephen E. Kimmel, MD, MSCE/Director, Clinical Epidemiology | University of Pennsylvania Perelman School of Medicine | (215) 898-1740 | stevek@mail.med.upenn.edu |
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| ID | Term |
|---|---|
| D001281 | Atrial Fibrillation |
| D020246 | Venous Thrombosis |
| D002311 | Cardiomyopathy, Dilated |
| ID | Term |
|---|---|
| D001145 | Arrhythmias, Cardiac |
| D006331 | Heart Diseases |
| D002318 | Cardiovascular Diseases |
| D010335 | Pathologic Processes |
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| Experimental |
Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication and will be set on active mode for this group. The MM will display messages of encouragement to participants and education on the importance of taking their warfarin medication. The Med-eMonitor also features an alarm that will sound to remind participants to take their medication as scheduled. Participants in this group will also be entered into a daily lottery. On any given study day, participants have a 1 in 10 chance of winning $10 and 1 in 100 chance of winning $100 when taking their warfarin medication as prescribed. Participants must take their dose correctly in order to be eligible for the daily lottery. |
|
|
| 2Med-eMonitor | Device | Med-eMonitor is a device that subjects will be given that will monitor an individual's warfarin adherence. |
|
| Philadelphia Veteran Affairs Medical Center |
| Philadelphia |
| Pennsylvania |
| 19104 |
| United States |
| Kimmel SE, Troxel AB, Loewenstein G, Brensinger CM, Jaskowiak J, Doshi JA, Laskin M, Volpp K. Randomized trial of lottery-based incentives to improve warfarin adherence. Am Heart J. 2012 Aug;164(2):268-74. doi: 10.1016/j.ahj.2012.05.005. |
| BG001 | 2Med-eMonitor/Reminder | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication and will be set on active mode for this group. The MM will display messages of encouragement to participants and education on the importance of taking their warfarin medication. The Med-eMonitor also features an alarm that will sound to remind participants to take their medication as scheduled. 2Med-eMonitor: Med-eMonitor is a device that subjects will be given that will monitor an individual's warfarin adherence. |
| BG002 | 3 Incentive Group/Lottery | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication. The MM can display messages to the participant. This group will also be entered into a daily lottery in which he/she can win money. On any given study day, participants have a 1 in 10 chance of winning $10 and 1 in 100 chance of winning $100 when taking their warfarin as prescribed. Participants must take their dose correctly in order to be eligible for the daily lottery.Financial Incentive and Med-eMonitor: Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on any given day throughout the participant's duration in the study (6 months). Participants are assigned a number and each day a computer randomly draws a winning number. Participants whose number is drawn can only collect money if they have taken |
| BG003 | 4 Combined Group/Lottery and Reminder | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication and will be set on active mode for this group. The MM will display messages of encouragement to participants and education on the importance of taking their warfarin medication. The Med-eMonitor also features an alarm that will sound to remind participants to take their medication as scheduled. Participants in this group will also be entered into a daily lottery. On any given study day, participants have a 1 in 10 chance of winning $10 and 1 in 100 chance of winning $100 when taking their warfarin medication as prescribed. Participants must take their dose correctly in order to be eligible for the daily lottery.Financial Incentive and Med-eMonitor: Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on an |
| BG004 | Total | Total of all reporting groups |
| years |
|
| Sex: Female, Male | Count of Participants | Participants |
|
| Region of Enrollment | Number | participants |
|
| OG001 | 2Med-eMonitor/Reminder | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication and will be set on active mode for this group. The MM will display messages of encouragement to participants and education on the importance of taking their warfarin medication. The Med-eMonitor also features an alarm that will sound to remind participants to take their medication as scheduled. 2Med-eMonitor: Med-eMonitor is a device that subjects will be given that will monitor an individual's warfarin adherence. |
| OG002 | 3 Incentive Group/Lottery | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication. The MM can display messages to the participant. This group will also be entered into a daily lottery in which he/she can win money. On any given study day, participants have a 1 in 10 chance of winning $10 and 1 in 100 chance of winning $100 when taking their warfarin as prescribed. Participants must take their dose correctly in order to be eligible for the daily lottery. Financial Incentive and Med-eMonitor: Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on any given day throughout the participant's duration in the study (6 months). Participants are assigned a number and each day a computer randomly draws a winning number. Participants whose number is drawn can only collect money if they have taken |
| OG003 | 4 Combined Group/Lottery and Reminder | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication and will be set on active mode for this group. The MM will display messages of encouragement to participants and education on the importance of taking their warfarin medication. The Med-eMonitor also features an alarm that will sound to remind participants to take their medication as scheduled. Participants in this group will also be entered into a daily lottery. On any given study day, participants have a 1 in 10 chance of winning $10 and 1 in 100 chance of winning $100 when taking their warfarin medication as prescribed. Participants must take their dose correctly in order to be eligible for the daily lottery.Financial Incentive and Med-eMonitor: Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on an |
|
|
| 4 |
| 65 |
| 1 |
| 65 |
| EG001 | 2Med-eMonitor/Reminder | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication and will be set on active mode for this group. The MM will display messages of encouragement to participants and education on the importance of taking their warfarin medication. The Med-eMonitor also features an alarm that will sound to remind participants to take their medication as scheduled. 2Med-eMonitor: Med-eMonitor is a device that subjects will be given that will monitor an individual's warfarin adherence. | 4 | 63 | 3 | 63 |
| EG002 | 3 Incentive Group/Lottery | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication. The MM can display messages to the participant. This group will also be entered into a daily lottery in which he/she can win money. On any given study day, participants have a 1 in 10 chance of winning $10 and 1 in 100 chance of winning $100 when taking their warfarin as prescribed. Participants must take their dose correctly in order to be eligible for the daily lottery. Financial Incentive and Med-eMonitor: Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on any given day throughout the participant's duration in the study (6 months). Participants are assigned a number and each day a computer randomly draws a winning number. Participants whose number is drawn can only collect money if they have taken | 4 | 65 | 2 | 65 |
| EG003 | 4 Combined Group/Lottery and Reminder | Participants in this study arm will be given an electronic medication monitoring system called a Med-eMonitor(MM) to use at home. This machine will measure the participant's adherence to taking their medication and will be set on active mode for this group. The MM will display messages of encouragement to participants and education on the importance of taking their warfarin medication. The Med-eMonitor also features an alarm that will sound to remind participants to take their medication as scheduled. Participants in this group will also be entered into a daily lottery. On any given study day, participants have a 1 in 10 chance of winning $10 and 1 in 100 chance of winning $100 when taking their warfarin medication as prescribed. Participants must take their dose correctly in order to be eligible for the daily lottery.Financial Incentive and Med-eMonitor: Financial Incentives: Study participants are entered into a daily lottery. It includes a chance to win either $10 or $100 on an | 5 | 66 | 5 | 66 |
| Non-CNS Thrombosis | Vascular disorders | Systematic Assessment |
|
| Major Bleeding | Blood and lymphatic system disorders | Systematic Assessment |
|
| Non-serious Clotting | Blood and lymphatic system disorders | Systematic Assessment |
|
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| D013568 |
| Pathological Conditions, Signs and Symptoms |
| D013927 | Thrombosis |
| D016769 | Embolism and Thrombosis |
| D014652 | Vascular Diseases |
| D006332 | Cardiomegaly |
| D009202 | Cardiomyopathies |
| D000083083 | Laminopathies |
| D030342 | Genetic Diseases, Inborn |
| D009358 | Congenital, Hereditary, and Neonatal Diseases and Abnormalities |