Skræddersy mobil sundhedsteknologi til at reducere fedme og forbedre kardiovaskulær sundhed i ressourcebegrænsede nabolagsmiljøer
Skræddersy mobil sundhedsteknologi til at reducere fedme og forbedre kardiovaskulær sundhed i ressourcebegrænsede nabolagsmiljøer: En fællesskabsbaseret fysisk aktivitetsintervention på flere niveauer
Baggrund:
Hjertesygdomme er en førende dødsårsag. Folk kan reducere deres risiko for hjertesygdomme ved at dyrke mere motion. Mobil sundhedsteknologi kan gøre folk mere succesrige med at øge deres motion. Dette inkluderer ting som fysisk aktivitetsmonitorer og smartphone-apps.
Objektiv:
For at finde ud af, om mobil sundhedsteknologi kan øge den fysiske aktivitet.
Berettigelse:
Afroamerikanske kvinder i alderen 25-75, som:
- Er overvægtige eller fede
- Bor i visse områder nær Washington, DC
- Hav en smartphone, der kan bruge studie-appen
Design:
Ved besøg 1 vil deltagerne
- Besvar undersøgelsesspørgsmål. Disse kan handle om sygehistorie, fysisk aktivitet og vægt. De kan også dække kropsopfattelse, sundhedsopfattelse og spiritualitet.
- Få målt kropsstørrelse og få taget blodprøver
- Få en enhed til at have på håndleddet. Det vil registrere fysisk aktivitet og timers søvn.
- Lær, hvordan du downloader og bruger studiemobilappen
I 2 uger vil forskere indsamle data om deltagernes fysiske aktivitet.
Derefter vil deltagerne have et studiebesøg med yderligere blodprøver.
Alle deltagere får beskeder fra appen, der opfordrer til træning.
Nogle deltagere vil få data fra appen om træning i nærheden af deres hjem eller arbejde.
Nogle deltagere kan få ansigt-til-ansigt coaching.
Deltagerne kan få trådløse enheder. Disse måler kropsvægt, blodtryk og blodsukker. Deltagerne kan måle disse derhjemme og uploade data til appen til undersøgelsen.
Deltagerne vil have besøg efter 3 og 6 måneder. De vil gentage besøg 1 tests.
...
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
- Enhed: Bluetooth-aktiveret glukometer
- Enhed: MR: Billedopbygning og analysesoftware (enhedsproducent: NIH)
- Enhed: MR: Research Pulse -sekvenser (enhedsproducent: NIH)
- Enhed: MR: Radiofrequency Coils (Device Producent: Siemens Medical Solutions USA, Inc.)
- Enhed: AMRA(r) Researcher Image reconstruction software
- Enhed: Remote tailored-to-place coaching (TPC)
- Andet: Standard remote coaching (SRC)
- Enhed: Run-in physical-activity monitoring
- Enhed: Ambulatory blood-pressure monitor
- Enhed: Polysomnography equipment
Detaljeret beskrivelse
Undersøgelsestype
Undersøgelsestype
Tilmelding (Anslået)
Tilmelding
Fase
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiekontakt
Studiekontakt
- Navn: Marie Marah, R.N.
- Telefonnummer: (301) 640-1701
- E-mail: marie.marah@nih.gov
Undersøgelse Kontakt Backup
- Navn: Tiffany M Powell-Wiley, M.D.
- Telefonnummer: (301) 496-5817
- E-mail: powelltm2@mail.nih.gov
Studiesteder
-
-
Maryland
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Bethesda, Maryland, Forenede Stater, 20892
- Rekruttering
- National Institutes of Health Clinical Center
-
Kontakt:
- For more information at the NIH Clinical Center contact Office of Patient Recruitment (OPR)
- Telefonnummer: TTY8664111010 800-411-1222
- E-mail: prpl@cc.nih.gov
-
-
Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Studiebefolkning
Beskrivelse
- INKLUSIONSKRITERIER:
Personer, der er berettiget til denne protokol, er overvægtige eller fede (BMI større end eller lig med 25 kg/m2) afroamerikanske kvinder i alderen 21-75 år, der bor i Washington, DC Wards 5,7 eller 8 og tilstødende områder af Prince George s County , MD. Berettigede deltagere
skal også have adgang til en smartphone, der er kompatibel med mobilappen til den protokol, som de kan bruge til undersøgelsen. Berettigede deltagere skal selvstændigt kunne give informeret samtykke og desuden tale og læse engelsk på 8. klassetrin.
EXKLUSIONSKRITERIER:
- Medicinsk tilstand, herunder nyligt utilsigtet vægttab, der kan forbyde sikker deltagelse i interventionen
- Hjertesygdom som indikeret af historie med myokardieinfarkt, dokumenteret obstruktiv koronararteriesygdom på koronar angiografi, placering af koronararteriestent, kongestiv hjertesvigt, signifikant strukturel hjertesygdom (f.eks. hypertrofisk eller dilateret kardiomyopati, hjerteklapsygdom)
- Fysisk ude af stand til at udføre den fysiske aktivitet af en eller anden grund
- Gravide kvinder på grund af store hormonelle ændringer under graviditeten, der påvirker undersøgelsesvariabler og potentielle graviditetsrelaterede restriktioner for træning. Selvrapporteret graviditetsstatus vil blive accepteret.
Pilotundersøgelses INKLUSIONSKRITERIER:
- Skal være en afroamerikansk kvinde
- Skal være i alderen 21-75 år
- Skal være overvægtig eller fede (Body Mass Index (BMI) større end eller lig med 25 kg/m <=)
- Skal bo i Washington DC Wards (5, 7 eller 8) eller bo i Prince George's County, Maryland.
- Skal have en smartphone, der er kompatibel med studiesoftwaren (mobilapp)
- Skal være villig til at bruge softwaren på personlig smartphone til studiet
- Skal kunne give samtykke
- Skal være villig til at bære det håndledsbårne fysiske aktivitetsudstyr til undersøgelsen
- Må ikke være gravid
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Grundvidenskab
- Tildeling: Randomiseret
- Interventionel model: Sekventiel tildeling
- Maskning: Enkelt
Antal våben
Våben og indgreb
Deltagergruppe / ArmDeltagergruppe / Arm |
Intervention / BehandlingIntervention / Behandling |
|---|---|
|
Andet: Gruppe 2-mærke: PA-skærm med standard fjerncoaching (SRC)
Afroamerikanske kvinder, der er i risiko for kardiovaskulære udfald i ressourcebegrænsede samfund i Washington D.C.-området.
|
Bluetooth-aktiveret glukometer
Billedopbygning og analysesoftware
Pulssekvenser
Radiofrekvensspoler
Image reconstruction software
Provides SRC components plus recommendations based on physical-activity resources near the participant s home, work, or church.
Messages may recommend parks, recreation centers, exercise classes, trails, greenspaces, or walking routes within an approximately 0.75-mile radius.
Provides individual-level physical-activity coaching based on goal setting, self-efficacy, barriers, personal preferences, and step data.
Educational content is adapted from the Diabetes Prevention Program.
Messaging encourages progression toward 10,000 steps/day.
Participants self-monitor activity during an approximately 2-week run-in period without receiving intervention messaging.
Participants averaging 7,500 steps/day proceed to randomization.
Measures systolic and diastolic blood pressure and pulse over approximately 48 hours during usual daily activities.
Overnight monitoring using EEG, EOG, EMG, ECG, respiratory airflow and effort, oxygen saturation, body position, snoring, and leg-movement sensors to characterize sleep, including slow-wave sleep.
|
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Andet: Gruppe 1 Etiket: PA-monitor med fjerncoaching skræddersyet til placering
Afroamerikanske kvinder, der er i risiko for kardiovaskulære udfald i ressourcebegrænsede samfund i Washington D.C.-området.
|
Bluetooth-aktiveret glukometer
Billedopbygning og analysesoftware
Pulssekvenser
Radiofrekvensspoler
Image reconstruction software
Provides SRC components plus recommendations based on physical-activity resources near the participant s home, work, or church.
Messages may recommend parks, recreation centers, exercise classes, trails, greenspaces, or walking routes within an approximately 0.75-mile radius.
Provides individual-level physical-activity coaching based on goal setting, self-efficacy, barriers, personal preferences, and step data.
Educational content is adapted from the Diabetes Prevention Program.
Messaging encourages progression toward 10,000 steps/day.
Participants self-monitor activity during an approximately 2-week run-in period without receiving intervention messaging.
Participants averaging 7,500 steps/day proceed to randomization.
Measures systolic and diastolic blood pressure and pulse over approximately 48 hours during usual daily activities.
Overnight monitoring using EEG, EOG, EMG, ECG, respiratory airflow and effort, oxygen saturation, body position, snoring, and leg-movement sensors to characterize sleep, including slow-wave sleep.
|
Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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Change in physical activity, measured as average steps per day
Tidsramme: Baseline/run-in through approximately 3 months after randomization
|
Compare the change in objectively measured daily step counts between participants initially assigned to remote coaching tailored to neighborhood physical-activity resources (tailored-to-place coaching) and those assigned to standard remote coaching.
Steps are captured by a wrist-worn physical-activity monitor and summarized as average steps per day.
The protocol's primary treatment effect is based on the average weekly step counts during the final four weeks of the six-month intervention, approximately weeks 21-24 for the longer-term adaptive intervention analysis.
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Baseline/run-in through approximately 3 months after randomization
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Cardiac structure, function, and perfusion
Tidsramme: Optional CMR during the run-in/baseline period and again within the month-6 visit window
|
Assess changes in biventricular and left-ventricular structure and function, myocardial characteristics, and vasodilator stress perfusion using cardiovascular magnetic resonance in an optional subset.
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Optional CMR during the run-in/baseline period and again within the month-6 visit window
|
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Mobile-health technology feasibility and acceptability
Tidsramme: Pilot period of approximately 23 days; intervention period up to approximately 6.5 months
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Evaluate usability, acceptability, functionality, engagement, message delivery, app use, wearable-device adherence, and completion of ecological momentary assessments and educational modules.
|
Pilot period of approximately 23 days; intervention period up to approximately 6.5 months
|
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Psychosocial and behavioral mediators
Tidsramme: Baseline, approximately 3 months, and approximately 6 months
|
Assess chronic psychological and environmental stress, social support and isolation, perceived discrimination, neighborhood environment, sedentary behavior, sleep quality and duration, and other factors that may mediate or modify the relationship between physical activity and cardiovascular health.
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Baseline, approximately 3 months, and approximately 6 months
|
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Inflammatory and immunometabolic biomarkers
Tidsramme: Baseline, approximately 3 months, and approximately 6 months
|
Characterize changes associated with increasing physical activity in cytokines, chemokines, lipid inflammatory intermediates, vascular/endothelial markers, immune-cell measures, and related inflammatory pathways.
|
Baseline, approximately 3 months, and approximately 6 months
|
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Cardiometabolic health factors
Tidsramme: Baseline, approximately 3 months, and approximately 6 months
|
Evaluate changes in BMI, weight, waist and hip circumference, blood pressure, fasting lipids, fasting glucose, hemoglobin A1c, insulin-resistance markers, dietary intake/DASH adherence, self-reported moderate-to-vigorous physical activity, and cigarette smoking.
|
Baseline, approximately 3 months, and approximately 6 months
|
|
Feasibility of remote cardiometabolic monitoring
Tidsramme: During the intervention, up to approximately 6 months
|
Assess participant use and data capture from wireless devices for blood pressure, weight/body fat percentage, and blood glucose.
Feasibility measures include device use, data upload, and completeness of measurements.
|
During the intervention, up to approximately 6 months
|
|
Physical activity response across adaptive interventions
Tidsramme: Baseline/run-in, approximately 3 months, and approximately 6 months
|
Compare change in objectively measured steps per day across the four embedded adaptive intervention strategies, including continued coaching, tailored-to-place coaching, increased messaging, and virtual or face-to-face coaching.
|
Baseline/run-in, approximately 3 months, and approximately 6 months
|
|
Body composition
Tidsramme: Optional MRI at baseline or within the first month and again before or after the month-6 visit
|
Assess changes in visceral and subcutaneous adipose tissue, liver fat, intramuscular fat, muscle volume, and related body-composition measures using noncontrast MRI.
|
Optional MRI at baseline or within the first month and again before or after the month-6 visit
|
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Sleep and ambulatory blood pressure
Tidsramme: Sleep sub-study: 48-hour ABPM and overnight polysomnography after enrollment or study completion
|
Examine relationships between sleep quality, sleep architecture particularly slow-wave sleep-and ambulatory systolic and diastolic blood pressure among postmenopausal participants.
|
Sleep sub-study: 48-hour ABPM and overnight polysomnography after enrollment or study completion
|
|
Immunometabolic mediation of sleep blood-pressure relationships
Tidsramme: Sleep sub-study visits, generally around the ABPM and polysomnography assessments
|
Determine whether cortisol, immune-cell function, and other immunometabolic markers mediate the association between sleep parameters and ambulatory blood pressure.
|
Sleep sub-study visits, generally around the ABPM and polysomnography assessments
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Samarbejdspartnere
Samarbejdspartnere
Efterforskere
Efterforskere
- Ledende efterforsker: Tiffany M Powell-Wiley, M.D., National Heart, Lung, and Blood Institute (NHLBI)
Publikationer og nyttige links
Generelle publikationer
- Boggs DA, Rosenberg L, Cozier YC, Wise LA, Coogan PF, Ruiz-Narvaez EA, Palmer JR. General and abdominal obesity and risk of death among black women. N Engl J Med. 2011 Sep 8;365(10):901-8. doi: 10.1056/NEJMoa1104119.
- Lightwood J, Bibbins-Domingo K, Coxson P, Wang YC, Williams L, Goldman L. Forecasting the future economic burden of current adolescent overweight: an estimate of the coronary heart disease policy model. Am J Public Health. 2009 Dec;99(12):2230-7. doi: 10.2105/AJPH.2008.152595. Epub 2009 Oct 15.
- Tamura K, Vijayakumar NP, Troendle JF, Curlin K, Neally SJ, Mitchell VM, Collins BS, Baumer Y, Gutierrez-Huerta CA, Islam R, Turner BS, Andrews MR, Ceasar JN, Claudel SE, Tippey KG, Giuliano S, McCoy R, Zahurak J, Lambert S, Moore PJ, Douglas-Brown M, Wallen GR, Dodge T, Powell-Wiley TM. Multilevel mobile health approach to improve cardiovascular health in resource-limited communities with Step It Up: a randomised controlled trial protocol targeting physical activity. BMJ Open. 2020 Dec 21;10(12):e040702. doi: 10.1136/bmjopen-2020-040702.
- Writing Group Members; Mozaffarian D, Benjamin EJ, Go AS, Arnett DK, Blaha MJ, Cushman M, Das SR, de Ferranti S, Despres JP, Fullerton HJ, Howard VJ, Huffman MD, Isasi CR, Jimenez MC, Judd SE, Kissela BM, Lichtman JH, Lisabeth LD, Liu S, Mackey RH, Magid DJ, McGuire DK, Mohler ER 3rd, Moy CS, Muntner P, Mussolino ME, Nasir K, Neumar RW, Nichol G, Palaniappan L, Pandey DK, Reeves MJ, Rodriguez CJ, Rosamond W, Sorlie PD, Stein J, Towfighi A, Turan TN, Virani SS, Woo D, Yeh RW, Turner MB; American Heart Association Statistics Committee; Stroke Statistics Subcommittee. Executive Summary: Heart Disease and Stroke Statistics--2016 Update: A Report From the American Heart Association. Circulation. 2016 Jan 26;133(4):447-54. doi: 10.1161/CIR.0000000000000366. No abstract available.
- Troendle JF, Sur A, Leifer ES, Powell-Wiley T. Sensitivity Analyses for Missing in Repeatedly Measured Outcome Data. Stat Med. 2025 Oct;44(23-24):e70282. doi: 10.1002/sim.70282.
Hjælpsomme links
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
- 170162
- 17-H-0162
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
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