NCT02534454

Brief Summary

The purpose of the phase 1 translational pilot study proposed here is to gather preliminary data investigating the efficacy of transcranial direct current stimulation (TDCS) and cognitive retraining to enhance nicotine replacement therapy for smoking cessation. The recent use of TDCS over task relevant regions to alter behavior holds incredible promise for use in cognitive retraining intervention protocols. Previous studies of cognitive retraining have focused on implicit training techniques. This proposed study will attempt to enhance these implicit training techniques through the use of TDCS during implicit retraining in order to increase learning of avoidance-related action tendencies towards tobacco. The objective of this pilot study is to establish the feasibility and obtain preliminary data on the effectiveness of using brain stimulation with cognitive retraining to reduce cigarette smoking in individuals with nicotine addiction.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
86

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Aug 2015

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

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

August 15, 2015

Completed
9 days until next milestone

First Submitted

Initial submission to the registry

August 24, 2015

Completed
3 days until next milestone

First Posted

Study publicly available on registry

August 27, 2015

Completed
2.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2018

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 31, 2018

Completed
Last Updated

May 17, 2018

Status Verified

May 1, 2018

Enrollment Period

2.6 years

First QC Date

August 24, 2015

Last Update Submit

May 16, 2018

Conditions

Outcome Measures

Primary Outcomes (1)

  • Cigarettes per Smoking Day

    Number of cigarettes consumed per day will be assessed using the Timeline Follow-back method to obtain the number of cigarettes consumed on each day since the last administration of the Timeline Follow-back. Cigarettes per smoking day will be the mean number of cigarettes consumed on days on which cigarettes were consumed.

    11-Weeks Post-transcranial direct current stimulation (TDCS)/Retraining

Secondary Outcomes (1)

  • Approach Bias Towards Cigarettes (Measure of response time differences)

    1 week Post-transcranial direct current stimulation (TDCS)/Retraining

Study Arms (4)

Active TDCS + Active Retraining

EXPERIMENTAL

2.0 milliamperes (mA) of transcranial direct current stimulation (TDCS) applied during active nicotine avoidance retraining

Behavioral: Active RetrainingDevice: Active transcranial direct current stimulation (TDCS)Drug: Nicotine Replacement Therapy (Habitrol)

Sham TDCS + Active Retraining

EXPERIMENTAL

0.1 mA of transcranial direct current stimulation (TDCS) applied during active nicotine avoidance retraining

Behavioral: Active RetrainingDevice: Sham transcranial direct current stimulation (TDCS)Drug: Nicotine Replacement Therapy (Habitrol)

Active TDCS + Sham retraining

EXPERIMENTAL

2.0 mA of transcranial direct current stimulation (TDCS) applied during sham nicotine avoidance retraining

Behavioral: Sham RetrainingDevice: Active transcranial direct current stimulation (TDCS)Drug: Nicotine Replacement Therapy (Habitrol)

Sham TDCS + Sham Retraining

EXPERIMENTAL

0.1 mA of transcranial direct current stimulation (TDCS) applied during sham nicotine avoidance retraining

Behavioral: Sham RetrainingDevice: Sham transcranial direct current stimulation (TDCS)Drug: Nicotine Replacement Therapy (Habitrol)

Interventions

Active TDCS + Active RetrainingSham TDCS + Active Retraining
Sham RetrainingBEHAVIORAL
Active TDCS + Sham retrainingSham TDCS + Sham Retraining
Active TDCS + Active RetrainingActive TDCS + Sham retraining
Sham TDCS + Active RetrainingSham TDCS + Sham Retraining

Administration of Nicotine Replacement Therapy Patches

Active TDCS + Active RetrainingActive TDCS + Sham retrainingSham TDCS + Active RetrainingSham TDCS + Sham Retraining

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Consume 10 or more cigarettes/day average for the past 60 days
  • Able to provide informed consent
  • Less than 3 months smoking abstinence in the past year
  • Right Handed

You may not qualify if:

  • Serious medical illness within 6 months (e.g. cancer, hepatic, or renal disease)
  • Significant cardiovascular disease (e.g. recent stroke or heart attack, arrhythmias, worsening angina pectoris, uncontrolled hypertension) generalized skin disorders, or sensitivity to the nicotine patch
  • Use of illicit drugs (excluding marijuana) in the previous 30 days
  • Psychosis, psychotic disorder, or bipolar disorder
  • Current active major depression (depressive episode within last month)
  • Clinically significant suicidal ideation
  • Prior seizure
  • Current bupropion or tricyclic antidepressants
  • Current pregnancy, trying to become pregnant, or breastfeeding
  • Current active alcohol dependence (symptoms in last 30 days)
  • Left-handedness
  • Current medication known to interact with nicotine replacement therapy (NRT) or smoking cessation (e.g. adenosine, cimetidine, conivaptan, cyproterone, peginterferon alfa-2bg, tocilizumab, theophylline)
  • Metal in the head
  • Implanted brain medical devices
  • Electromedical devices
  • +1 more criteria

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

The Mind Research Network

Albuquerque, New Mexico, 87106, United States

Location

MeSH Terms

Conditions

Tobacco Use Disorder

Interventions

Nicotine Replacement TherapyNicotine

Condition Hierarchy (Ancestors)

Substance-Related DisordersChemically-Induced DisordersMental Disorders

Intervention Hierarchy (Ancestors)

Drug TherapyTherapeuticsSolanaceous AlkaloidsAlkaloidsHeterocyclic CompoundsPyridinesHeterocyclic Compounds, 1-Ring

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
FACTORIAL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

August 24, 2015

First Posted

August 27, 2015

Study Start

August 15, 2015

Primary Completion

March 31, 2018

Study Completion

March 31, 2018

Last Updated

May 17, 2018

Record last verified: 2018-05

Locations