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Pilot Study of Tolcapone in Smokers

NCT01202955 · Status: COMPLETED · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 19

Last updated 2018-09-12

Study results available
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Summary

The goals of this within-subject pilot study are: (1) assess the feasibility and safety of administering the Catechol-O-Methyl-Transferase (COMT) inhibitor, tolcapone, to smokers, and (2) explore whether tolcapone may reduce abstinence-induced cognitive and affective symptoms that promote relapse. A secondary exploratory goal is to assess whether these effects may be more pronounced in smokers who carry a high risk COMT genotype for smoking relapse: COMT val/val.

Conditions

  • Nicotine Dependence

Interventions

DRUG

Tolcapone

Day 1 100mg three times per day Day 2 - Day 7 200mg three times per day Day 8 200mg twice a day Day 9 200mg once a day Day 10 100mg once a day

DRUG

Placebo

Day 1 100mg three times per day Day 2 - Day 7 200mg three times per day Day 8 200mg twice a day Day 9 200mg once a day Day 10 100mg once a day

Sponsors & Collaborators

Principal Investigators

  • Caryn Lerman, PhD · University of Pennsylvania

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Model
CROSSOVER

Eligibility

Min Age
18 Years
Max Age
55 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2008-07-31
Primary Completion
2009-05-31
Completion
2009-06-30

Countries

  • United States

Study Locations

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Entities

Drugs
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01202955 on ClinicalTrials.gov