Withings Hypertension Notification Retrospective Study (HTNF)
Validation of the Withings Hypertension Notification Feature (HTNF)
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Detaljeret beskrivelse
Hypertension affects approximately 1.4 billion adults worldwide and is the leading modifiable risk factor for cardiovascular disease. The Withings Hypertension Notification Feature (HTNF) is a software-only medical device (Software as a Medical Device, SaMD) that analyzes demographic, anthropometric, and physiological parameter data opportunistically collected by Withings connected smart scales to identify patterns suggestive of hypertension and provide a notification to the user. Ground-truth hypertension status is defined at the user-week level as a weekly average systolic blood pressure (SBP) >= 130 mmHg or diastolic blood pressure (DBP) >= 80 mmHg (2017 ACC/AHA guideline), based on a minimum of 7 weekly blood pressure measurements from Withings BPM devices.
Data were collected retrospectively between 2019 and 2026 from consumer users of commercially available Withings smart scales who received an information letter and did not opt out. No prospective measurements or interventions are performed.
Undersøgelsestype
Undersøgelsestype
Tilmelding (Anslået)
Tilmelding
Kontakter og lokationer
Studiesteder
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-
Île-de-France Region
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Issy-les-Moulineaux, Île-de-France Region, Frankrig, 92130
- Withings SA
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Voksen
- Ældre voksen
Tager imod sunde frivillige
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Users of commercially purchased, consumer-grade Withings smart scales (models Body Cardio, Body Comp, Body Scan) in a standard home environment
- Concurrent ground-truth blood pressure data collected via Withings connected blood pressure monitors (BPM, BPM+, BPM Connect, or BPM Core)
- At least 7 blood pressure measurements within a given week to establish reliable weekly hypertension status classification
- Age >= 18 years (all regions) or >= 22 years (United States), consistent with the predicate device age requirement
- Receipt of the study information letter without exercising the right to opt out (for applicable regulatory jurisdictions)
Exclusion Criteria:
- Users lacking valid weekly average systolic and diastolic blood pressure measurements (missing ground truth)
- Users with physiological measurements falling outside plausible clinical ranges (BMI < 10 or > 100 kg/m2, age < 18/22 or > 100 years)
- Users who exercised their right to opt out of the retrospective study
- Users without an individual Withings account (shared accounts are excluded to prevent data contamination)
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Antal grupper/kohorter
Kohorter og interventioner
Gruppe / kohorteGruppe / kohorte |
Intervention / BehandlingIntervention / Behandling |
|---|---|
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Withings Smart Scale Users
Retrospective cohort of adult consumer users of Withings connected smart scales (Body Cardio, Body Scan, Body Comp) with concurrent Withings blood pressure monitor measurements between 2019 and 2026.
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Ground-truth weekly average systolic and diastolic blood pressure measurements obtained from Withings connected blood pressure monitors (BPM [WPM02], BPM+ [WPM03], BPM Core [WPM04], BPM Connect [WPM05]), validated as non-invasive oscillometric blood pressure monitors per ISO 81060-2:2018.
Minimum 7 measurements per user-week required.
The Withings Hypertension Notification Feature (HTNF) is a software-only medical device (Software as a Medical Device, SaMD) that analyzes demographic, anthropometric, and physiological parameter data opportunistically collected by Withings connected smart scales to identify patterns suggestive of hypertension and provide a notification to the user.
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Stage-Adjusted Sensitivity (Se) of the Withings HTNF Algorithm
Tidsramme: up to 7 years
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Percentage of hypertensive user-weeks correctly flagged
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up to 7 years
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Stage-Adjusted Specificity (Sp) of the Withings HTNF Algorithm
Tidsramme: up to 7 years
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Percentage of non-hypertensive user-weeks correctly not flagged
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up to 7 years
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Ledende efterforsker: Pierre Escourrou, MD, PhD, Centre Interdisciplinaire du Sommeil, Paris, France
Datoer for undersøgelser
Studer store datoer
Studiestart (Faktiske)
Studiestart
Primær færdiggørelse (Anslået)
Primær færdiggørelse
Studieafslutning (Anslået)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Nøgleord
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- HTNF
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
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