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| Name | Class |
|---|---|
| University of Hradec Kralove | UNKNOWN |
| St George's, University of London | OTHER |
| University of Leicester | OTHER |
| University Ghent |
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Sedentary behaviour has a detrimental effect on the mortality, morbidity, and well-being of patients with type 2 diabetes and prediabetes, and general practitioners should advise patients on how to self-monitor and increase their physical activity. The emergence of mobile health (mHealth) technologies unlocks the potential to further improve physical behaviour using an innovative "just-in-time" adaptive approach whereby behavioural support is provided in real-time, based on data from wearable sensors. Thus, the investigators aim to evaluate the effect of a just-in-time mHealth intervention administered by general practitioners on the physical activity and sedentary behaviour of patients with type 2 diabetes and prediabetes. A total of 340 patients will be recruited from 20 general practices across the Czech Republic and randomly assigned to either an active control or intervention group. Both groups will receive brief physical activity advice from their general practitioners and a Fitbit fitness tracker to self-monitor their daily steps, but the intervention group will also receive a mHealth-enabled just-in-time adaptive intervention and regular monthly phone counselling in the first 6 months. The mHealth intervention will be delivered using a custom-developed system (HealthReact) connected to the Fitbit that will trigger just-in-time text messages. For example, a prompt to take a break from sedentary behaviour will be triggered after 30 sedentary minutes or a motivational message with a specific goal to take more steps will be triggered when the total step count is too low. The primary outcome will be the change in daily step count at 6 months, other outcomes include changes in other physical behaviour measures, blood tests, anthropometry and patient-reported outcomes at 6 and 12 months. If the intervention is effective, this study will provide a model of health prevention that can be directly implemented and commissioned within primary care using existing infrastructure.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Active control | Active Comparator | The patients from the active control group will receive brief physical activity advice from their general practitioners at baseline, and they will also receive the Fitbit tracker to self-monitor their daily steps. |
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| Intervention | Experimental | The patients in the intervention group will be exposed to the same procedures as those from the active control group, but will also receive a mHealth-enabled just-in-time adaptive intervention and regular monthly phone counselling in the first 6 months. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| mHealth | Behavioral | A mHealth-enabled just-in-time adaptive intervention that is based on the HealthReact system developed by the participating centre at the Faculty of Science of the University of Hradec Kralove. The HealthReact system consists of a server-side application that is connected to the Fitbit server. As such, the system allows for just-in-time text messages triggered by pre-defined context as recorded by the Fitbit wearable monitor. For example, a prompt to take a break from sedentary behaviour can be triggered after 30 sedentary minutes, a suggestion to increase walking cadence can be triggered when continuous, but slow walking is detected, or a motivational message with a specific goal to take more steps to reach their usual daily step count can be triggered when the total daily steps are too low. The mHealth component will be delivered for the entire duration of the study (i.e., 12 months). |
| Measure | Description | Time Frame |
|---|---|---|
| step count | change in daily step count | from baseline to 12-month assessment |
| Measure | Description | Time Frame |
|---|---|---|
| chair-stand test | functional 30s chair-stand test | at 6 and 12 months |
| HbA1c | haemoglobin A1c | at 6 and 12 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Tomas Vetrovsky, MD, PhD | Contact | +420724600710 | tomas.vetrovsky@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Bohumil Seifert, MD, PhD | Charles University, Czech Republic | Study Chair |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Institute of General Practice | Recruiting | Prague | Czechia |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 41772441 | Derived | Kral N, Vetrovsky T, Pfeiferova M, Seifert B, Capek V, Jurkova K, Steffl M, Cimler R, Kuhnova J, Ussher M, Wahlich C, Malisova K, Pelclova J, Dygryn J, Elavsky S, Maes I, Van Dyck D, Rowlands A, Yates T, Dvorak P, Harris T. Recruiting patients into a digital behavioural intervention in general practice: insights from the ENERGISED trial. BMC Prim Care. 2026 Mar 3;27(1):123. doi: 10.1186/s12875-026-03218-4. | |
| 40394706 |
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| ID | Term |
|---|---|
| D003924 | Diabetes Mellitus, Type 2 |
| D011236 | Prediabetic State |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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| ID | Term |
|---|---|
| D017216 | Telemedicine |
| D003419 | Crisis Intervention |
| ID | Term |
|---|---|
| D003695 | Delivery of Health Care |
| D010346 | Patient Care Management |
| D006298 | Health Services Administration |
| D011613 | Psychotherapy |
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| OTHER |
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|
| phone counselling | Behavioral | Regular monthly phone calls by trained counsellors support participants in their effort to increase physical activity and reduce sedentary behaviours. The counsellors will use various behaviour change techniques, such as goal-setting, feedback, action planning, etc. The phone counselling will be provided during the first six months, i.e. 6 phone calls will be delivered. |
|
| Fitbit tracker | Behavioral | Fitbit Inspire 2 will be provided by the general practitioner to study participants at the start of the study to enable objective self-monitoring of physical activity. |
|
| brief advice | Behavioral | A brief advice will be provided by the general practitioner at the start of the study. |
|
| glycemia | fasting plasma glucose | at 6 and 12 months |
| lipid profile | total cholesterol, LDL cholesterol, HDL cholesterol, triacylglycerids | at 12 months |
| step count | change in daily step count | at 6 months |
| physical behaviour - average acceleration | metric of physical activity volume | at 6 and 12 months |
| physical behaviour - intensity gradient | metric of physical activity intensity | at 6 and 12 months |
| sedentary time | time per day spent sedentary (in minutes) | at 6 and 12 months |
| sedentary bouts | time per day (in minutes) spent sedentary in bouts of 30 mins and longer | at 6 and 12 months |
| walking cadence | cadence (steps/min) in 5 (non-consecutive) highest-cadence minutes | at 6 and 12 months |
| blood pressure | systolic and diastolic blood pressure | at 6 and 12 months |
| Hospital Anxiety and Depression Scale (HADS) | symptoms of anxiety and depression: 14 items on a scale 0-3 (a higher score means a worse outcome) | at 6 and 12 months |
| Short Form Survey (SF-12) | measure of health-related quality of life: 12 items using various scales converted to a score 0-100 (a higher score means a better outcome) | at 6 and 12 months |
| body mass index | weigh in kilograms divided by height in meters squared | at 6 and 12 months |
| Derived |
| Vetrovsky T, Kral N, Pfeiferova M, Seifert B, Capek V, Jurkova K, Steffl M, Cimler R, Kuhnova J, Harris T, Ussher M, Wahlich C, Malisova K, Pelclova J, Dygryn J, Elavsky S, Maes I, Van Dyck D, Rowlands A, Yates T. mHealth intervention delivered in general practice to increase physical activity and reduce sedentary behaviour of patients with prediabetes and type 2 diabetes (ENERGISED): statistical analysis plan. Trials. 2025 May 20;26(1):166. doi: 10.1186/s13063-025-08865-z. |
| 36997936 | Derived | Vetrovsky T, Kral N, Pfeiferova M, Kuhnova J, Novak J, Wahlich C, Jaklova A, Jurkova K, Janek M, Omcirk D, Capek V, Maes I, Steffl M, Ussher M, Tufano JJ, Elavsky S, Van Dyck D, Cimler R, Yates T, Harris T, Seifert B. mHealth intervention delivered in general practice to increase physical activity and reduce sedentary behaviour of patients with prediabetes and type 2 diabetes (ENERGISED): rationale and study protocol for a pragmatic randomised controlled trial. BMC Public Health. 2023 Mar 31;23(1):613. doi: 10.1186/s12889-023-15513-1. |
| D004700 | Endocrine System Diseases |
| D004191 | Behavioral Disciplines and Activities |