- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT01162239
Maintaining Nonsmoking
Studieoversikt
Status
Forhold
Detaljert beskrivelse
This study will test a series of hypotheses comparing the efficacy of the relapse prevention treatment to other extended treatments. All participants will be assessed at baseline on demographics, smoking behaviors, nicotine dependence, depression, alcohol and other drug history and problems, mood disturbance, treatment support, stress, health status, and motivation for change. Participants will be randomly assigned to one of four treatment conditions. All participants will receive 12 weeks of combined pharmacological treatment (varenicline) and behavioral treatment (five individual counseling sessions). Following this brief treatment, participants will be randomly assigned to one of four treatment protocols
- Monthly Brief Contact or
- Extended Non-Specific Behavioral Treatment or
- Extended Relapse Prevention Treatment or
- Extended Relapse Prevention Treatment + availability of varenicline treatment.
Each extended treatment protocol is 40 weeks in duration following the initial 12 weeks of treatment.
All participants will be assessed at weeks 12, 24, 52, 64, and 104, on smoking as well as other psychometric measures.
Studietype
Registrering (Faktiske)
Fase
- Fase 3
Kontakter og plasseringer
Studiesteder
-
-
California
-
San Francisco, California, Forente stater, 94143
- University of California San Francisco
-
-
Deltakelseskriterier
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
Tar imot friske frivillige
Kjønn som er kvalifisert for studier
Beskrivelse
Inclusion Criteria:
- At least 18 years of age
- Must be smoking 5 or more cigarettes per day
Exclusion Criteria:
- Previous history of bipolar/manic-depressive disorder
- Current diagnosis of schizophrenia
- Acute life threatening diseases
- Evidence of alcohol or other drug abuse so severe that the patient is judged to be potentially unable to comply with the protocol
- Pregnancy or lactation
- Individuals with out of normal range blood pressure, active angina, valve disease, valve replacement, active cardiomyopathies, myocardial infarction or Coronary artery bypass grafting (CABG) within one year, and Congestive heart failure (CHF)
Studieplan
Hvordan er studiet utformet?
Designdetaljer
- Primært formål: Behandling
- Tildeling: Randomisert
- Intervensjonsmodell: Parallell tildeling
- Masking: Ingen (Open Label)
Våpen og intervensjoner
Deltakergruppe / Arm |
Intervensjon / Behandling |
---|---|
Eksperimentell: Extended Brief Contact
Following standard brief treatment, participants have monthly meetings with medical staff.
|
All participants will receive 12 weeks of varenicline treatment at standard dosage of 1 mg bid.
Participants in the Extended Relapse Prevention plus varenicline will receive varenicline for up to 40 additional weeks.
Andre navn:
Five 90 minute individual counseling sessions to occur during the first 12 weeks of initial treatment.
Monthly brief (10-15 minutes) meetings with medical staff.
|
Eksperimentell: Extended Health Education
Following standard treatment, participants receive monthly counseling with content based on a health education model.
|
All participants will receive 12 weeks of varenicline treatment at standard dosage of 1 mg bid.
Participants in the Extended Relapse Prevention plus varenicline will receive varenicline for up to 40 additional weeks.
Andre navn:
Five 90 minute individual counseling sessions to occur during the first 12 weeks of initial treatment.
Monthly counseling sessions across a nine month period with content based on a health education model.
Each session is 30-45 minutes in duration.
|
Eksperimentell: Extended Relapse Prevention plus varenicline
Following standard treatment, participants receive monthly counseling with content based on a relapse prevention model plus access to ongoing medication treatment with varenicline.
|
All participants will receive 12 weeks of varenicline treatment at standard dosage of 1 mg bid.
Participants in the Extended Relapse Prevention plus varenicline will receive varenicline for up to 40 additional weeks.
Andre navn:
Five 90 minute individual counseling sessions to occur during the first 12 weeks of initial treatment.
Eleven individual counseling sessions across a nine month period with content based on a relapse prevention model.
Each session is 30-45 minutes in duration.
|
Eksperimentell: Extended Relapse Prevention
Following standard treatment, participants receive monthly counseling with content based on a relapse prevention model.
|
All participants will receive 12 weeks of varenicline treatment at standard dosage of 1 mg bid.
Participants in the Extended Relapse Prevention plus varenicline will receive varenicline for up to 40 additional weeks.
Andre navn:
Five 90 minute individual counseling sessions to occur during the first 12 weeks of initial treatment.
Eleven individual counseling sessions across a nine month period with content based on a relapse prevention model.
Each session is 30-45 minutes in duration.
|
Hva måler studien?
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
---|---|---|
Number of Participants With Reported 7-day Point Prevalence Abstinence at Week 12
Tidsramme: 12 weeks following treatment initiation
|
Point prevalent abstinence is defined as biochemically verified (confirmed carbon dioxide (CO) < 8 parts per million (ppm)) self-reported abstinence from smoking cigarettes in the past 7 days.
Smoking status was then categorized as either Abstinent or Not Abstinent.
|
12 weeks following treatment initiation
|
Number of Participants With Reported 7-day Point Prevalence Abstinence at Week 24
Tidsramme: 24 weeks following treatment initiation
|
Point prevalent abstinence is defined as biochemically verified (confirmed carbon dioxide (CO) < 8 ppm) self-reported abstinence from smoking cigarettes in the past 7 days.
Smoking status was then categorized as either Abstinent or Not Abstinent.
|
24 weeks following treatment initiation
|
Number of Participants With Reported 7-day Point Prevalence Abstinence at Week 52
Tidsramme: 52 weeks following treatment initiation
|
Point prevalent abstinence is defined as biochemically verified (confirmed carbon dioxide (CO) < 8 ppm) self-reported abstinence from smoking cigarettes in the past 7 days.
Smoking status was then categorized as either Abstinent or Not Abstinent.
|
52 weeks following treatment initiation
|
Number of Participants With Reported 7-day Point Prevalence Abstinence at Follow-up Week 64
Tidsramme: 64 weeks following treatment initiation
|
Point prevalent abstinence is defined as biochemically verified (confirmed carbon dioxide (CO) < 8 ppm) self-reported abstinence from smoking cigarettes in the past 7 days.
Smoking status was then categorized as either Abstinent or Not Abstinent.
|
64 weeks following treatment initiation
|
Number of Participants With Reported 7-day Point Prevalence Abstinence at Follow-up Week 104
Tidsramme: 104 weeks following treatment initiation
|
Point prevalent abstinence is defined as biochemically verified (confirmed carbon dioxide (CO) < 8 ppm) self-reported abstinence from smoking cigarettes in the past 7 days.
Smoking status was then categorized as either Abstinent or Not Abstinent.
|
104 weeks following treatment initiation
|
Sekundære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
---|---|---|
Comparison of Combined Extended vs Brief Treatment at Week 24
Tidsramme: 24 weeks following treatment initiation
|
The three extended treatment programs were combined and compared to the Brief treatment, with extended treatments expected to produce significant higher CO corrected abstinence rates overall.
Comparisons will be tested using Chi-Square analysis.
|
24 weeks following treatment initiation
|
Comparison of Combined Extended vs Brief Treatment at Week 52
Tidsramme: 52 weeks following treatment initiation
|
The three extended treatment programs were combined and compared to the Brief treatment, with extended treatments expected to produce significant higher CO corrected abstinence rates overall.
Comparisons will be tested using Chi-Square analysis.
|
52 weeks following treatment initiation
|
Samarbeidspartnere og etterforskere
Etterforskere
- Hovedetterforsker: Gary Humfleet, Ph. D., University of California, San Francisco
Studierekorddatoer
Studer hoveddatoer
Studiestart (Faktiske)
Primær fullføring (Faktiske)
Studiet fullført (Faktiske)
Datoer for studieregistrering
Først innsendt
Først innsendt som oppfylte QC-kriteriene
Først lagt ut (Anslag)
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
Siste oppdatering sendt inn som oppfylte QC-kriteriene
Sist bekreftet
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Ytterligere relevante MeSH-vilkår
Andre studie-ID-numre
- DA002538
- 2R01DA002538 (U.S. NIH-stipend/kontrakt)
- 11633 (Annen identifikator: University of California, San Francisco)
Plan for individuelle deltakerdata (IPD)
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