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Randomized Controlled Trial (RCT) of a Motivational Decision Support System (RCTEDSS)

3. november 2018 opdateret af: Mary F. Brunette, MD, Dartmouth-Hitchcock Medical Center

RCT of a Motivational Decision Support System for Smokers With Severe Mental Illnesses

In this study we will definitively test the decision support system in a randomized controlled trial (RCT) among smokers with severe mental illness (SMI) psychotic disorders. The Specific Aims of the study are:

  1. To determine whether use of the web-based decision support system leads to higher rates of initiation of smoking cessation treatment than use of a computerized educational pamphlet. We will also assess effectiveness on secondary outcomes, including smoking behavior, urges and outcome expectancies; level of dependence; intentions to quit and to use cessation treatment; and abstinence.
  2. To assess whether cognitive ability moderates initiation of smoking cessation treatment. Since cognitive impairment impedes use of standard web-based interventions by this group, and cognitive impairments likely supersede other potential moderators (education and socioeconomic status), this aim will be key to determining the success of our intervention and will guide further revisions if they are needed.

  3. To explore the effects of the decision support system and baseline cognitive ability on abstinence over 6 months

    1. We will examine the impact of the DSS on 7-day point prevalence tobacco abstinence at 6 months, and cumulative days of tobacco abstinence over 6 months.
    2. We will determine whether baseline cognition (scale scores) is associated with 7-day point prevalence tobacco abstinence at 6 months, and cumulative days of tobacco abstinence over 6 months.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

Up to 80% of people with schizophrenia and schizoaffective disorders smoke - a rate that is four times the rate in the general population. Cessation treatments are effective, but these smokers don't use them. In order to provide an easy-to-use, cost-effective strategy to engage this group of smokers into effective treatments, we developed a single-session, web-based, motivational decision support system, Let's Talk About Smoking. The system incorporates features that insure high usability among those who can't use current websites due to cognitive impairments and low computer skills. It provides compelling content that engages users into evidence-based cessation treatments.

In this study we will definitively test the decision support system in a randomized controlled trial (RCT) among smokers with severe mental illness (SMI) psychotic disorders. Our proposed study design will enable us to test whether this system, designed for those with cognitive impairments, is effective among people with a range of cognitive abilities. The Specific Aims of the study are:

  1. To determine whether use of the web-based decision support system leads to higher rates of initiation of smoking cessation treatment than use of a computerized educational pamphlet. We will also assess effectiveness on secondary outcomes, including smoking behavior, urges and outcome expectancies; level of dependence; intentions to quit and to use cessation treatment; and abstinence.
  2. To assess whether cognitive ability moderates initiation of smoking cessation treatment. Since cognitive impairment impedes use of standard web-based interventions by this group, and cognitive impairments likely supersede other potential moderators (education and socioeconomic status), this aim will be key to determining the success of our intervention and will guide further revisions if they are needed.

  3. To explore the effects of the decision support system and baseline cognitive ability on abstinence over 6 months

    1. We will examine the impact of the DSS on 7-day point prevalence tobacco abstinence at 6 months, and cumulative days of tobacco abstinence over 6 months.
    2. We will determine whether baseline cognition (scale scores) is associated with 7-day point prevalence tobacco abstinence at 6 months, and cumulative days of tobacco abstinence over 6 months.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

184

Fase

  • Ikke anvendelig

Kontakter og lokationer

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

Studiesteder

  • Forenede Stater
    • Illinois
      • Chicago, Illinois, Forenede Stater, 60613
        • Thresholds
    • Massachusetts
      • Worcester, Massachusetts, Forenede Stater, 01605
        • University of Massachusetts
    • New Jersey
      • New Brunswick, New Jersey, Forenede Stater, 08901
        • Rutgers-UNDMJ

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 70 år (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • 18-70 years old
  • DSM-IV-TR diagnosis psychotic disorder
  • in treatment at participating mental health center
  • current daily smoker
  • fluent in English
  • physically able to use computer
  • willing and able to give informed consent

Exclusion Criteria:

  • past 2 weeks use of evidence based cessation treatment
  • psychiatric instability
  • current alcohol or drug dependence
  • pregnant or nursing

Studieplan

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

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Behavioral intervention
Web-based motivational decision support system
Adfærdsmæssigt: Web-based motivational decision support system
Aktiv komparator: Educational intervention
Computerized version of the National Cancer Institute (NCI) Educational Pamphlet
Adfærdsmæssigt: NCI Education

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of Subjects That Initiated Cessation Treatment
Tidsramme: 6 months
Cessation treatment initiation and engagement will be collected from clinician attendance sheets in the medical record and medical record review for prescriptions. Medication use will be confirmed with self-report of taking medication.
6 months

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Number of Subjects With Confirmed Abstinence
Tidsramme: 6 months
Biologically confirmed abstinence: we will confirm 7-day point prevalence abstinence at 6 month assessments (self-reported abstinence without any smoking, "not even a puff," for the past 7 days,) with expired carbon monoxide (reading ≤9).
6 months
Number of Subjects With a Quit Attempt With 7 or More Days of Self-reported Abstinence
Tidsramme: 6 months
6 months

Samarbejdspartnere og efterforskere

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

Sponsor

Dartmouth-Hitchcock Medical Center

Samarbejdspartnere

National Cancer Institute (NCI)

Efterforskere

  • Ledende efterforsker: Mary F. Burnette, MD, Dartmouth-Hitchcock Medical Center

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

1. april 2014

Primær færdiggørelse (Faktiske)

1. juli 2016

Studieafslutning (Faktiske)

1. juli 2016

Datoer for studieregistrering

Først indsendt

11. marts 2014

Først indsendt, der opfyldte QC-kriterier

11. marts 2014

Først opslået (Skøn)

13. marts 2014

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

29. november 2018

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

3. november 2018

Sidst verificeret

1. november 2018

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • FED14095
  • R01CA168778 (U.S. NIH-bevilling/kontrakt)

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

JA

IPD-planbeskrivelse

De-identified research data files will be made available to all researchers in both the public and private sectors for potential statistical analyses or re-analyses in accordance with the NIH data Sharing Policy: http://grants.nih.gov/grants/policy/data sharing. Data will be available 2 years after data collection is completed, or after primary papers have been accepted for publication. Data will only be transferred to other researchers under a signed data sharing agreement.

Materials and research data files will be made available, upon request, from the PI. These requests can be made via email (mary.f.brunette@dartmouth.edu).

IPD-delingstidsramme

Data will be available for sharing after we complete our analyses, estimated to be in January 2020.

IPD-delingsadgangskriterier

Investigators wishing to access data will submit a request with an analysis plan, data management plan and data safety plan to the PI. A signed data sharing agreement will be developed prior to release of the data.

IPD-deling Understøttende informationstype

  • STUDY_PROTOCOL

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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