- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00432926
Behavior Change and Maintenance Intervention for HIV+ MSM Methamphetamine Users
27. september 2012 opdateret af: Thomas L. Patterson, University of California, San Diego
This study tests the effectiveness of a behavioral intervention to reduce sexual risk behavior in HIV-positive, methamphetamine-using men who have sex with men (MSM).
It builds on the findings of a previous study (R01 DA012116, "Promoting safer sex in HIV+ homosexual and bisexual men who use methamphetamine").
That study achieved significant short-term results that eroded over time.
Accordingly, this study hypothesizes that the addition of a maintenance component to the already proven counseling and educational components of the treatment model will result in longer-lasting positive effects.
Studieoversigt
Status
Afsluttet
Betingelser
Detaljeret beskrivelse
Methamphetamine use by MSM has been consistently associated with increased HIV transmission.
In the previous funding period we demonstrated reductions in transmission risk behavior associated with participation in our behavioral intervention; however, these improvements eroded over time, underscoring the need to develop and test interventions designed to enhance longer-term behavior change.
The objective of this study is to evaluate the efficacy of an intervention designed to maintain reductions in high-risk sexual practices achieved by methamphetamine-using HIV+ MSM.
Three major questions addressed are: 1) Can methamphetamine-using HIV+ MSM modify their high-risk sexual practices over an extended (16-month) period?
2) Do "group maintenance sessions" result in less erosion of behavioral improvements?
3) Are the underlying mechanisms the same for acquisition and maintenance of behavior change?
We will assign 450 sexually active HIV+ MSM who regularly use methamphetamine and who have had unprotected sex with an HIV-negative or unknown-status partner to one of three conditions: 1) an eight-session intervention, combining client-centered motivational interviewing and structured behavioral counseling to address five intervention domains (context of unsafe sex/drug use; condom use; safer sex negotiation; disclosure; and enhancement of social supports); 2) the same eight counseling sessions (i.e., identical to condition 1 above), plus eight group-format safer sex maintenance sessions, which utilize clinical strategies from relapse prevention to identify high-risk situations and develop effective coping strategies; or 3) an attention-control condition that is time-equivalent to condition 2 above, and addresses diet, exercise, and HIV.
Thus we will determine whether longer-term maintenance of safer sex behaviors is possible among HIV+ methamphetamine-using MSM, a population that remains at very high risk of HIV transmission, and for which substitution therapies to promote cessation and risk reduction are not yet available.
Undersøgelsestype
Interventionel
Tilmelding (Faktiske)
429
Fase
- Fase 2
Kontakter og lokationer
Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.
Studiesteder
-
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California
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San Diego, California, Forenede Stater, 92103
- Webster Building, 3500 Fifth Ave., Suite 102
-
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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
Ingen
Køn, der er berettiget til at studere
Han
Beskrivelse
Inclusion Criteria:
- HIV+
- Used methamphetamine at least twice in last two months
- At least some recent sexual partners were male
- At least some recent sexual activity has been high-risk for transmission of HIV
Exclusion Criteria:
- Current major psychiatric diagnosis
- Only HIV+ sex partners in past two months
- Consistently protected sex with HIV- or serostatus-unknown partners in last two months
- Sexually inactive in last two months
- Found out about HIV+ status less than two months ago
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: Randomiseret
- Interventionel model: Parallel tildeling
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
---|---|
Eksperimentel: 1
Five-session behavior change intervention that combines client-centered motivational interviewing and structured behavioral counseling (to address context of unsafe sex/drug use; condom use, safer sex negotiation; disclosure; and enhancement of social supports).
|
Five-session behavior change intervention that combines client-centered motivational interviewing and structured behavioral counseling (to address context of unsafe sex/drug use; condom use, safer sex negotiation; disclosure; and enhancement of social supports).
|
Eksperimentel: 2
Five-session behavior change intervention (identical to Arm 1) that combines client-centered motivational interviewing and structured behavioral counseling (to address context of unsafe sex/drug use; condom use, safer sex negotiation; disclosure; and enhancement of social supports) PLUS eight group-format safer sex maintenance counseling sessions, which utilize clinical strategies from relapse prevention to identify high risk situations and develop effective coping strategies.
|
Five-session behavior change intervention (identical to Arm 1) that combines client-centered motivational interviewing and structured behavioral counseling (to address context of unsafe sex/drug use; condom use, safer sex negotiation; disclosure; and enhancement of social supports) PLUS eight group-format safer sex maintenance counseling sessions, which utilize clinical strategies from relapse prevention to identify high risk situations and develop effective coping strategies.
|
Aktiv komparator: 3
An attention-control condition that is time-equivalent to Arm 2, and addresses diet, exercise, and HIV.
|
An attention-control condition that is time-equivalent to Arm 2, and addresses diet, exercise, and HIV.
|
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
---|---|
Reduction of defined sexual risk behaviors
Tidsramme: 18 months
|
18 months
|
Samarbejdspartnere og efterforskere
Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Thomas L. Patterson, Ph.D., University of California, San Diego
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.
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. februar 2007
Primær færdiggørelse (Faktiske)
1. april 2012
Studieafslutning (Faktiske)
1. april 2012
Datoer for studieregistrering
Først indsendt
6. februar 2007
Først indsendt, der opfyldte QC-kriterier
6. februar 2007
Først opslået (Skøn)
8. februar 2007
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
28. september 2012
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
27. september 2012
Sidst verificeret
1. september 2012
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- R01DA021115 (U.S. NIH-bevilling/kontrakt)
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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