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Extended Duration Counseling for Tobacco Addiction (EDC Trial)
Phase 4
Waitlist Available
Research Sponsored by Harvard University Faculty of Medicine
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial Must have
Daily Cigarette Smokers
Be older than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up two years
Awards & highlights
EDC Trial Summary
The purpose of this study is to determine if extending the behavioral smoking-cessation treatment period to one year will significantly improve cessation outcomes among those planning a quit attempt.
Eligible Conditions
- Tobacco Addiction
EDC Trial Eligibility Criteria
Inclusion Criteria
You may be eligible if you check “Yes” for the criteria belowEDC Trial Timeline
Screening ~ 3 weeks3 visits
Treatment ~ Varies
Follow Up ~ one year
Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~one year
Treatment Details
Study Objectives
Outcome measures can provide a clearer picture of what you can expect from a treatment.Primary outcome measures
Proportion of subjects abstinent by treatment group at 1 year post-cessation.
Secondary outcome measures
Proportion of subjects abstinent by treatment group at 2 years post-cessation.
EDC Trial Design
3Treatment groups
Active Control
Placebo Group
Group I: Extended Duration CounselingActive Control1 Intervention
12-Month Duration
Group II: Moderate Duration CounselingActive Control1 Intervention
6-Month Duration
Group III: Brief-Duration CounselingPlacebo Group1 Intervention
3-Month Duration
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Who is running the clinical trial?
Harvard University Faculty of MedicineLead Sponsor
14 Previous Clinical Trials
23,094 Total Patients Enrolled
National Institute on Drug Abuse (NIDA)NIH
2,447 Previous Clinical Trials
2,593,616 Total Patients Enrolled
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