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

3 november 2018 uppdaterad av: 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.

Studieöversikt

Status

Avslutad

Betingelser

Intervention / Behandling

Detaljerad beskrivning

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.

Studietyp

Interventionell

Inskrivning (Faktisk)

184

Fas

  • Inte tillämpbar

Kontakter och platser

Det här avsnittet innehåller kontaktuppgifter för dem som genomför studien och information om var denna studie genomförs.

Studieorter

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

Deltagandekriterier

Forskare letar efter personer som passar en viss beskrivning, så kallade behörighetskriterier. Några exempel på dessa kriterier är en persons allmänna hälsotillstånd eller tidigare behandlingar.

Urvalskriterier

Åldrar som är berättigade till studier

18 år till 70 år (Vuxen, Äldre vuxen)

Tar emot friska volontärer

Nej

Kön som är behöriga för studier

Allt

Beskrivning

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

Det här avsnittet ger detaljer om studieplanen, inklusive hur studien är utformad och vad studien mäter.

Hur är studien utformad?

Designdetaljer

  • Primärt syfte: Behandling
  • Tilldelning: Randomiserad
  • Interventionsmodell: Parallellt uppdrag
  • Maskning: Enda

Vapen och interventioner

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

Vad mäter studien?

Primära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Number of Subjects That Initiated Cessation Treatment
Tidsram: 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

Sekundära resultatmått

Resultatmått
Åtgärdsbeskrivning
Tidsram
Number of Subjects With Confirmed Abstinence
Tidsram: 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
Tidsram: 6 months
6 months

Samarbetspartners och utredare

Det är här du hittar personer och organisationer som är involverade i denna studie.

Sponsor

Dartmouth-Hitchcock Medical Center

Samarbetspartners

National Cancer Institute (NCI)

Utredare

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

Publikationer och användbara länkar

Den som ansvarar för att lägga in information om studien tillhandahåller frivilligt dessa publikationer. Dessa kan handla om allt som har med studien att göra.

Allmänna publikationer

Studieavstämningsdatum

Dessa datum spårar framstegen för inlämningar av studieposter och sammanfattande resultat till ClinicalTrials.gov. Studieposter och rapporterade resultat granskas av National Library of Medicine (NLM) för att säkerställa att de uppfyller specifika kvalitetskontrollstandarder innan de publiceras på den offentliga webbplatsen.

Studera stora datum

Studiestart

1 april 2014

Primärt slutförande (Faktisk)

1 juli 2016

Avslutad studie (Faktisk)

1 juli 2016

Studieregistreringsdatum

Först inskickad

11 mars 2014

Först inskickad som uppfyllde QC-kriterierna

11 mars 2014

Första postat (Uppskatta)

13 mars 2014

Uppdateringar av studier

Senaste uppdatering publicerad (Faktisk)

29 november 2018

Senaste inskickade uppdateringen som uppfyllde QC-kriterierna

3 november 2018

Senast verifierad

1 november 2018

Mer information

Termer relaterade till denna studie

Nyckelord

Ytterligare relevanta MeSH-villkor

Andra studie-ID-nummer

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

Plan för individuella deltagardata (IPD)

Planerar du att dela individuella deltagardata (IPD)?

JA

IPD-planbeskrivning

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).

Tidsram för IPD-delning

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

Kriterier för IPD Sharing Access

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-delning som stöder informationstyp

  • STUDY_PROTOCOL

Denna information hämtades direkt från webbplatsen clinicaltrials.gov utan några ändringar. Om du har några önskemål om att ändra, ta bort eller uppdatera dina studieuppgifter, vänligen kontakta register@clinicaltrials.gov. Så snart en ändring har implementerats på clinicaltrials.gov, kommer denna att uppdateras automatiskt även på vår webbplats .

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