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Random Assignment of Intervention Messages for Developing Personalized Decision Rules to Promote Physical Activity (RandomAIM)

7. oktober 2022 opdateret af: David E Conroy, Penn State University

Phase 1 Clinical Trial to Develop a Personalized Adaptive Text Message Intervention Using Control Systems Engineering Tools to Increase Physical Activity in Early Adulthood

Our goal is to develop personalized decision rules for selecting the frequency, timing, and content of messages to promote physical activity. The objective of this project is to develop personalized dynamical models of physical activity (PA) under different weather and temporal conditions as well as in response to different types of intervention messages. This approach relies on having extensive observations within the person under varying conditions to develop a dynamical model of how different conditions interact with each other to predict how behavior changes in response to text messages. Complementary sub-models will be estimated for each participant to describe their behavioral responses under different weather conditions. Healthy but insufficiently active young adults (n=80) will wear an activity monitor and receive a variety of randomly-timed and randomly-selected notifications via smartphone. GPS coordinates at the time of messages delivery and receipt are recorded and used to look up weather indices at that location at that time. The work is exploratory/descriptive as we will be developing models to describe participants' responses to messages under different weather conditions. This work is needed to develop the decision rules for a subsequent behavioral intervention that will be developed and tested in a future project.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

82

Fase

  • Fase 1

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Forenede Stater
    • Pennsylvania
      • University Park, Pennsylvania, Forenede Stater, 16802
        • The Pennsylvania State University

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

18 år til 29 år (Voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Participants capable of reading, speaking and understanding English and of giving informed consent.
  • Participants between the ages of 18-29 years.
  • Participants must be free of visual impairment that would interfere with the use of a smartphone.
  • Participants must own and carry an iPhone (running iOS version 10 or higher) or Android (running operating system 7 or higher) smartphone during waking hours.

Exclusion Criteria:

  • Participants engaging in 90 or more minutes of moderate- or greater intensity PA each week.
  • Participants engaged in organized programs with mandated physical activity (e.g., varsity sports, ROTC).
  • Participants with contraindications to normal physical activity on the Physical Activity Readiness Questionnaire.
  • Participants who require an assistive device for mobility or have any other condition that may limit or prevent participation in moderate-intensity physical activity.
  • Participants who are pregnant or planning to become pregnant within the next 6 months.
  • Participants with a prior diagnosis of cancer, cardiovascular disease, diabetes or metabolic syndrome.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Forebyggelse
  • Tildeling: N/A
  • Interventionel model: Enkelt gruppeopgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Random Messaging
Participants receive 0-5 messages/day from the Random AIM app. Messages are only delivered outside of a participant-specific Do Not Disturb window (e.g., 11pm-8am). Messages are selected randomly from three content domains: Move More (40%), Sit Less (40%), and Inspirational Quotes Unrelated to Movement (20%). Half of the messages are accompanied by images. Message selection and timing are determined randomly each night for the following day.
Adfærdsmæssigt: Short Message with Text and Optional Image
Messages can be up to 256 characters of text and with or without an image. "Move more" and "sit less" messages were written to target established cognitive and affective constructs associated with physical activity (e.g., prompts to action plan, guidance for maximizing pleasure by regulating intensity).

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Change in Moderate (or Higher) Physical Activity Duration Following Message Receipt
Tidsramme: 15-minute epochs for the remainder of the walking day
Fitbit-assessed minutes with step counts >= 100 steps/min in 15-minute epochs (steady states represent the change in expected step counts if a message was delivered versus if the message was not delivered)
15-minute epochs for the remainder of the walking day

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Penn State University

Efterforskere

  • Ledende efterforsker: David E Conroy, PhD, The Pennsylvania State University

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

3. april 2019

Primær færdiggørelse (Faktiske)

21. juli 2020

Studieafslutning (Faktiske)

21. juli 2020

Datoer for studieregistrering

Først indsendt

5. april 2019

Først indsendt, der opfyldte QC-kriterier

5. april 2019

Først opslået (Faktiske)

9. april 2019

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

4. november 2022

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

7. oktober 2022

Sidst verificeret

1. oktober 2022

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • STUDY00009455
  • R01HL142732 (U.S. NIH-bevilling/kontrakt)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ingen

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

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Betingelser

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Placeringer

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