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Reduction of Drug Use and HIV Risk Among Out-of-Treatment Methamphetamine Users

18. januar 2017 opdateret af: University of Colorado, Denver

There is a need to identify and test effective strategies to reduce meth use and human immunodeficiency virus (HIV) risk behaviors in heterosexuals. This project will compare the efficacy of a manually-driven HIV testing and counseling (HIV T/C) intervention, with HIV T/C plus a manualized Contingency Management (CM), with HIV T/C plus CM plus a manualized Strengths-Based Case Management (CM/SBCM) model. As HIV T/C is the standard of care, the investigators are testing to determine if the investigators can enhance this standard. The specific aims and hypotheses of this protocol are:

  1. To compare the relative efficacy of HIV T/C vs. CM vs. CM/SBCM on reducing drug use, specifically meth use. Hypothesis 1: CM/SBCM will reduce drug use more than those in CM (which will have more reduction than HIV T/C), potentially mediated through increased service utilization.
  2. To compare the relative efficacy of HIV T/C vs. CM vs. CM/SBCM on reducing HIV and STI risk behaviors, specifically sex risk behaviors but also needle risk for injection drug users (IDUs). Hypothesis 2: CM/SBCM will have greater decreases in HIV risk behaviors than those in CM (which will have greater decreases than HIV T/C), potentially mediated through reduced drug use.
  3. To compare the relative efficacy of HIV T/C vs. CM vs. CM/SBCM on improving mental health status. Hypothesis 3: CM/SBCM will have greater improvements in mental health status than those in CM (which will have greater improvements than HIV T/C), potentially mediated through increased service utilization and reduction of drug use, and potentially moderated by baseline meth use.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

502

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
    • Colorado
      • Denver, Colorado, Forenede Stater, 80218
        • Project Safe

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 og ældre (Voksen, Ældre voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • 18 years of age or older
  • Be competent (not too intoxicated or mentally disabled) to give informed consent at the time of the interview
  • Meth use (verified through urine drug screening and a self-report of meth use of at least 4 times per month for the last 3 months)
  • Self-reported sex with someone of the opposite sex in last 30 days
  • Ability to provide a reliable address and phone number for contact
  • Not in drug treatment in the past 30 days
  • Willingness to be tested for HIV at baseline and follow-up
  • Not transient and no know reason why he/she will not be available for follow-up interviews
  • Not currently mandated by the criminal justice system to receive treatment based on self-report.

Exclusion Criteria:

  • Participation in drug treatment in the past 30 days
  • Currently participating in another Project Safe study
  • Pregnant or attempting to become pregnant
  • Intoxicated or impaired mentally to the point that they cannot voluntarily consent to participate tin the project and/or respond to the interview

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: Crossover opgave
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Aktiv komparator: HIV Testing and Counseling
Adfærdsmæssigt: HIV Testing and Counseling
A manualized individual-level model consisting of two education and counseling sessions that structurally bracket confidential HIV antibody screening.
Aktiv komparator: Contingency Management (CM)
Contingency management is based on Skinner's principles of operant conditioning in behavioral psychology, dating back to the 1930s (Skinner 1938). The basis of this model is that behavior is learned and reinforced by environmental contingencies that reward or punish.
Adfærdsmæssigt: HIV Testing and Counseling
A manualized individual-level model consisting of two education and counseling sessions that structurally bracket confidential HIV antibody screening.
Adfærdsmæssigt: Contingency Management
In voucher-based CM programs, drug users who submit urine samples that are negative for specified drugs are reinforced with vouchers. Based on operant conditioning, CM rewards those who comply with the targeted behavior and does not reward when compliance is not achieved. In this study a mid-value reinforcement CM schedule will be used in order to balance community cost concerns with the need to show comparative efficacy in reducing meth use and concomitant sex risk behaviors in a largely unstudied risk group. Participants in the CM arm will be asked to come to the study site three times a week to leave a urine sample, get the result, and will then be offered a voucher if their urine is clean and given brief verbal feedback.
Eksperimentel: CM with Strengths-based case management
Strengths-based case management (SBCM) is a specific type of case management that is based on the following principles: 1) clients are most successful when they identify and use their strengths, abilities, and assets; 2) goal-setting is guided by the clients' perceptions of their own needs; 3) the client-case manager relationship is promoted as essential; 4) a creative approach to the use of the community will lead to the discovery of needed resources; and 5) case management is conducted in the community.
Adfærdsmæssigt: HIV Testing and Counseling
A manualized individual-level model consisting of two education and counseling sessions that structurally bracket confidential HIV antibody screening.
Adfærdsmæssigt: Contingency Management
In voucher-based CM programs, drug users who submit urine samples that are negative for specified drugs are reinforced with vouchers. Based on operant conditioning, CM rewards those who comply with the targeted behavior and does not reward when compliance is not achieved. In this study a mid-value reinforcement CM schedule will be used in order to balance community cost concerns with the need to show comparative efficacy in reducing meth use and concomitant sex risk behaviors in a largely unstudied risk group. Participants in the CM arm will be asked to come to the study site three times a week to leave a urine sample, get the result, and will then be offered a voucher if their urine is clean and given brief verbal feedback.
Adfærdsmæssigt: Strengths-based case management
Strengths-based case management (SBCM) is a specific type of case management that is based on the following principles: 1) clients are most successful when they identify and use their strengths, abilities, and assets; 2) goal-setting is guided by the clients' perceptions of their own needs; 3) the client-case manager relationship is promoted as essential; 4) a creative approach to the use of the community will lead to the discovery of needed resources; and 5) case management is conducted in the community. It differs from more traditional case management models that emphasize resource brokerage and client advocacy in its recognition that only the individual can change his/her behavior.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Reduction of drug use, specifically methamphetamine
Tidsramme: 12-month follow-up interview
12-month follow-up interview
Reduction of HIV and STI risk behaviors, specifically sex risk behaviors but also needle risk for injection drug users
Tidsramme: 12-month follow-up interview
12-month follow-up interview
Improved mental health status
Tidsramme: 12-month follow-up interview
12-month follow-up interview

Samarbejdspartnere og efterforskere

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

Sponsor

University of Colorado, Denver

Efterforskere

  • Ledende efterforsker: Karen F Corsi, ScD, MPH, University of Colorado, Denver

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. august 2010

Primær færdiggørelse (Faktiske)

13. juni 2015

Studieafslutning (Faktiske)

25. maj 2016

Datoer for studieregistrering

Først indsendt

9. juli 2010

Først indsendt, der opfyldte QC-kriterier

12. juli 2010

Først opslået (Skøn)

13. juli 2010

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

20. januar 2017

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

18. januar 2017

Sidst verificeret

1. januar 2017

Mere information

Begreber relateret til denne undersøgelse

Nøgleord

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • 10-0518

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

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