Study Stopped
left institution protocol closed
D-cycloserine (DCS) Pretreatment + CBT + Nicotine Replacement Therapy for Smoking Cessation (DCS)
DCS
1 other identifier
interventional
22
1 country
1
Brief Summary
- 1.Compare the relative efficacy of ten weeks of once weekly 250 mg D-cycloserine (DCS) vs. placebo (both in conjunction with cognitive behavioral therapy (CBT) and nicotine replacement therapy (NRT) on reducing cigarette smoking in treatment-seeking nicotine-dependent outpatients.
- 2.Compare the relative efficacy of ten weeks of once weekly 250 mg DCS vs. placebo on the process of extinction and the memory encoding process.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_1
Started Apr 2013
Longer than P75 for phase_1
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
April 1, 2013
CompletedFirst Submitted
Initial submission to the registry
April 25, 2013
CompletedFirst Posted
Study publicly available on registry
April 29, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
August 1, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
August 1, 2017
CompletedResults Posted
Study results publicly available
August 1, 2018
CompletedAugust 31, 2018
August 1, 2018
4.3 years
April 25, 2013
July 9, 2018
August 1, 2018
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Change From Baseline in Cigarette Smoking in Treatment Seeking Nicotine Dependent Outpatients
Cigarette smoking at 10 weeks as measured by carbon monoxide levels and self-report measurements.
During Week 10
Study Arms (2)
D-cycloserine
EXPERIMENTAL250 mg D-cycloserine once weekly an hour before receiving cognitive behavioral therapy treatment along with Nicotine Replacement Therapy.
Placebo
PLACEBO COMPARATORone placebo capsule once weekly an hour before receiving cognitive behavioral therapy treatment along with Nicotine Replacement Therapy
Interventions
CBT administered to to both DCS and placebo group.
NRT administered to both DCS and placebo group.
Eligibility Criteria
You may qualify if:
- \) Age range 18-65 years; 2) DSM-IV diagnosis of nicotine dependence, based on the Structured Clinical Interview for DSM-IV (SCID) (First et al. 1996); 3) express a desire to quit cigarette smoking within the next 30 days; 4) smokes greater than or equal to 10 cigarettes per day and less than or equal to 20 cigarettes per day; 5) an expired carbon monoxide (CO) determination greater than or equal to 10 ppm over ambient values; 6) for women of childbearing age, a negative pregnancy test at screening with agreement to use adequate contraception to prevent pregnancy and multiple subsequent pregnancy tests; 7) consent for us to communicate with their prescribing clinician; 8) furnish the names of 2 locators, who would assist study staff in locating them during the study period; 9) live close enough to McLean Hospital to attend study visits; 10) plan to remain in the Boston area for the next 4 months; and 11) are willing and able to sign informed consent.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Mclean Hospitallead
- American Lung Associationcollaborator
Study Sites (1)
McLean Hospital
Belmont, Massachusetts, 02478, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Limitations and Caveats
Due to lack of sufficient funds/resources, the sample size for this study is not large enough to extract any conclusive results. The high number of subjects withdrawing from the study early also hinders any possible conclusions.
Results Point of Contact
- Title
- Dr. Kevin P Hill, Director of the Division of Addiction Psychiatry
- Organization
- Beth Israel Deaconess Medical Center
Study Officials
- PRINCIPAL INVESTIGATOR
Kevin P. Hill, MD, MHS
Mclean Hospital
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 1
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Assistant Professor of Psychiatry
Study Record Dates
First Submitted
April 25, 2013
First Posted
April 29, 2013
Study Start
April 1, 2013
Primary Completion
August 1, 2017
Study Completion
August 1, 2017
Last Updated
August 31, 2018
Results First Posted
August 1, 2018
Record last verified: 2018-08