I-WEAR: Evaluating Wearables and Health Summaries in ICU Survivors
NCT ID: NCT07035106
Last Updated: 2025-09-09
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
NA
60 participants
INTERVENTIONAL
2025-07-01
2026-05-30
Brief Summary
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Participants will be randomly assigned to one of three groups: standard ICU follow-up care, wearable use only, or wearable use combined with bi-weekly health reports and optional lifestyle consultations. The study will assess participants' quality of life, experience using the technology, and adherence over a 6-month period. Results will inform the future use of digital tools in post-ICU care.
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Detailed Description
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Participants (n=60) are randomized into three groups:
Control group: Standard ICU follow-up care Intervention group 1: Wearables and app (smartwatch, scale, blood pressure monitor) Intervention group 2: Same wearables plus automated bi-weekly health summaries and optional health consultations via Webex Wearable devices include the Garmin Vivosmart 5 (tracking HRV, sleep, stress, and activity), the Garmin Index S2 Smart Scale, and the Garmin Index BPM blood pressure monitor. Data is aggregated via the Fitrockr application and stored in an ISO/IEC 27001-certified cloud environment in compliance with the EU General Data Protection Regulation (GDPR). Participants retain full control over data sharing, and pseudonymized data will be used for research purposes only.
The primary outcomes are feasibility (recruitment, retention, device adherence), and usability (System Usability Scale, qualitative interviews). Secondary outcomes include health-related quality of life measured via SF-36 at enrollment, mid-study (month 3), and study completion (month 6). Descriptive statistics and visualizations will summarize adherence and change trajectories. The study follows CONSORT 2010 guidelines for feasibility studies and includes a decision framework to inform whether to proceed with a definitive trial.
Conditions
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Study Design
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RANDOMIZED
PARALLEL
SUPPORTIVE_CARE
NONE
Study Groups
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Standard care
Participants receive standard ICU follow-up care at the Medical University of Vienna without wearable devices or digital health tools.
No interventions assigned to this group
Wearables Only
Participants receive wearable health monitoring devices (Garmin Vivosmart 5, Garmin Index S2 Smart Scale, Garmin Index BPM blood pressure monitor) and use the Fitrockr application to visualize and track their data. No counseling or bi-weekly summaries are provided.
Wearable Health Monitoring
Participants receive a Garmin Vivosmart 5, Garmin Index S2 Smart Scale, and Garmin Index BPM blood pressure monitor for daily health tracking. Devices sync to the Fitrockr mobile application.
Wearables + Summary + Counseling
Participants receive the same wearable devices and Fitrockr app as the Wearables Only group. In addition, they receive bi-weekly automatically generated health summaries via email and have the option to book lifestyle consultations with a member of the study team via Webex.
Wearable Health Monitoring
Participants receive a Garmin Vivosmart 5, Garmin Index S2 Smart Scale, and Garmin Index BPM blood pressure monitor for daily health tracking. Devices sync to the Fitrockr mobile application.
Digital Health Summary and Lifestyle Counseling
Participants receive bi-weekly health summaries via email generated from wearable data and may opt in to monthly video-based lifestyle consultations with trained study staff.
Interventions
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Wearable Health Monitoring
Participants receive a Garmin Vivosmart 5, Garmin Index S2 Smart Scale, and Garmin Index BPM blood pressure monitor for daily health tracking. Devices sync to the Fitrockr mobile application.
Digital Health Summary and Lifestyle Counseling
Participants receive bi-weekly health summaries via email generated from wearable data and may opt in to monthly video-based lifestyle consultations with trained study staff.
Eligibility Criteria
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Inclusion Criteria
* ICU stay of at least 48 hours
* ICU discharge within the last 2 years
* Comorbidity of diabetes mellitus and/or chronic heart failure/coronary artery disease
* Written informed consent
* Access to a home internet connection and smartphone with internet and Bluetooth
Exclusion Criteria
* No smartphone or internet access
* No cardiovascular disease/event and/or diabetes
* Implanted pacemaker or defibrillator
* Allergies to materials in the wearable devices
* Transfer from an ICU outside the Medical University of Vienna
* Homelessness
* Residence outside of Austria
18 Years
65 Years
ALL
No
Sponsors
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Ludwig Boltzmann Gesellschaft
OTHER
Responsible Party
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Akos Tiboldi
Principal Investigator
Principal Investigators
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Harald Willschke, Ao. Univ. Prof. Dr.
Role: STUDY_DIRECTOR
Medical University of Vienna / Ludwig Boltzmann Institute for Digital Health and Patient Safety
Locations
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Ludwig Boltzmann Institute Digital Health and Patient Safety
Vienna, , Austria
Countries
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Central Contacts
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References
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Pearson N, Naylor PJ, Ashe MC, Fernandez M, Yoong SL, Wolfenden L. Guidance for conducting feasibility and pilot studies for implementation trials. Pilot Feasibility Stud. 2020 Oct 31;6(1):167. doi: 10.1186/s40814-020-00634-w.
Teresi JA, Yu X, Stewart AL, Hays RD. Guidelines for Designing and Evaluating Feasibility Pilot Studies. Med Care. 2022 Jan 1;60(1):95-103. doi: 10.1097/MLR.0000000000001664.
Bowen DJ, Kreuter M, Spring B, Cofta-Woerpel L, Linnan L, Weiner D, Bakken S, Kaplan CP, Squiers L, Fabrizio C, Fernandez M. How we design feasibility studies. Am J Prev Med. 2009 May;36(5):452-7. doi: 10.1016/j.amepre.2009.02.002.
Eldridge SM, Chan CL, Campbell MJ, Bond CM, Hopewell S, Thabane L, Lancaster GA; PAFS consensus group. CONSORT 2010 statement: extension to randomised pilot and feasibility trials. BMJ. 2016 Oct 24;355:i5239. doi: 10.1136/bmj.i5239.
Tison GH, Sanchez JM, Ballinger B, Singh A, Olgin JE, Pletcher MJ, Vittinghoff E, Lee ES, Fan SM, Gladstone RA, Mikell C, Sohoni N, Hsieh J, Marcus GM. Passive Detection of Atrial Fibrillation Using a Commercially Available Smartwatch. JAMA Cardiol. 2018 May 1;3(5):409-416. doi: 10.1001/jamacardio.2018.0136.
Bayoumy K, Gaber M, Elshafeey A, Mhaimeed O, Dineen EH, Marvel FA, Martin SS, Muse ED, Turakhia MP, Tarakji KG, Elshazly MB. Smart wearable devices in cardiovascular care: where we are and how to move forward. Nat Rev Cardiol. 2021 Aug;18(8):581-599. doi: 10.1038/s41569-021-00522-7. Epub 2021 Mar 4.
Duggan MC, Wang L, Wilson JE, Dittus RS, Ely EW, Jackson JC. The relationship between executive dysfunction, depression, and mental health-related quality of life in survivors of critical illness: Results from the BRAIN-ICU investigation. J Crit Care. 2017 Feb;37:72-79. doi: 10.1016/j.jcrc.2016.08.023. Epub 2016 Aug 31.
Desai SV, Law TJ, Needham DM. Long-term complications of critical care. Crit Care Med. 2011 Feb;39(2):371-9. doi: 10.1097/CCM.0b013e3181fd66e5.
Jackson JC, Pandharipande PP, Girard TD, Brummel NE, Thompson JL, Hughes CG, Pun BT, Vasilevskis EE, Morandi A, Shintani AK, Hopkins RO, Bernard GR, Dittus RS, Ely EW; Bringing to light the Risk Factors And Incidence of Neuropsychological dysfunction in ICU survivors (BRAIN-ICU) study investigators. Depression, post-traumatic stress disorder, and functional disability in survivors of critical illness in the BRAIN-ICU study: a longitudinal cohort study. Lancet Respir Med. 2014 May;2(5):369-79. doi: 10.1016/S2213-2600(14)70051-7. Epub 2014 Apr 7.
Ohtake PJ, Lee AC, Scott JC, Hinman RS, Ali NA, Hinkson CR, Needham DM, Shutter L, Smith-Gabai H, Spires MC, Thiele A, Wiencek C, Smith JM. Physical Impairments Associated With Post-Intensive Care Syndrome: Systematic Review Based on the World Health Organization's International Classification of Functioning, Disability and Health Framework. Phys Ther. 2018 Aug 1;98(8):631-645. doi: 10.1093/ptj/pzy059.
Needham DM, Davidson J, Cohen H, Hopkins RO, Weinert C, Wunsch H, Zawistowski C, Bemis-Dougherty A, Berney SC, Bienvenu OJ, Brady SL, Brodsky MB, Denehy L, Elliott D, Flatley C, Harabin AL, Jones C, Louis D, Meltzer W, Muldoon SR, Palmer JB, Perme C, Robinson M, Schmidt DM, Scruth E, Spill GR, Storey CP, Render M, Votto J, Harvey MA. Improving long-term outcomes after discharge from intensive care unit: report from a stakeholders' conference. Crit Care Med. 2012 Feb;40(2):502-9. doi: 10.1097/CCM.0b013e318232da75.
Mikkelsen ME, Still M, Anderson BJ, Bienvenu OJ, Brodsky MB, Brummel N, Butcher B, Clay AS, Felt H, Ferrante LE, Haines KJ, Harhay MO, Hope AA, Hopkins RO, Hosey M, Hough CTL, Jackson JC, Johnson A, Khan B, Lone NI, MacTavish P, McPeake J, Montgomery-Yates A, Needham DM, Netzer G, Schorr C, Skidmore B, Stollings JL, Umberger R, Andrews A, Iwashyna TJ, Sevin CM. Society of Critical Care Medicine's International Consensus Conference on Prediction and Identification of Long-Term Impairments After Critical Illness. Crit Care Med. 2020 Nov;48(11):1670-1679. doi: 10.1097/CCM.0000000000004586.
Related Links
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Official study project page of the DIGI4Care - Transforming patient journeys through digital innovation in healthcare across the Danube Region
Official study project page from the Ludwig Boltzmann Institute for Digital Health and Patient Safety
Other Identifiers
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DRP0200543
Identifier Type: OTHER_GRANT
Identifier Source: secondary_id
I-WEAR-PICS-1303-2025
Identifier Type: -
Identifier Source: org_study_id
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