Effect of Nicotine on Brain Reward Pathways

March 21, 2018 updated by: Amy C. Janes, Mclean Hospital
The investigators will determine whether an acute dose of nicotine, in the form of the nicotine lozenge, impacts brain and behavioral measures of mood and reward responsiveness in individuals with major depressive disorder.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

46

Phase

  • Phase 1

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

    • Massachusetts
      • Belmont, Massachusetts, United States, 02478
        • McLean Hospital

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

18 years to 45 years (Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria for subjects with Major Depressive Disorder:

  1. Provide written informed consent;
  2. Both genders and all ethnic origins, age between 18 and 45;
  3. Meet DSM-IV diagnostic criteria for MDD (diagnosed with the use of the SCID);
  4. A baseline HAM-D score of 16 or greater;
  5. Absence of pregnancy;
  6. Absence of any psychotropic medication for at least 2 weeks:

    1. 6 weeks for fluoxetine
    2. 6 months for neuroleptics
    3. 2 weeks for benzodiazepines
    4. 2 weeks for any other antidepressants

Inclusion Criteria for Healthy Controls

  1. Absence of medical, neurological, and psychiatric illness (including alcohol and substance abuse); as assessed by subject history and a structured clinical interview (SCID);
  2. Provide written informed consent;
  3. Both genders and all ethnic origins, age between 18 and 45;
  4. Absence of any medications for at least 3 weeks;
  5. Absence of pregnancy.

Exclusion Criteria:

  1. Subjects with suicidal ideation where outpatient treatment is determined unsafe. These patients will be immediately referred to a licensed psychologist or psychiatrist to determine the appropriate clinical treatment;
  2. Serious or unstable medical illness
  3. Lifetime history of seizure disorder;
  4. Lifetime history or current diagnosis of any of the following DSM-IV psychiatric illnesses: organic mental disorder, schizophrenia, schizoaffective disorder, delusional disorder, psychotic disorders not otherwise specified, bipolar disorder, ADHD, patients with mood congruent or mood incongruent psychotic features; simple phobia, social anxiety disorder and generalized anxiety disorders will be allowed only if secondary to MDD;
  5. Patients with a lifetime history of electroconvulsive therapy (ECT);
  6. Failure to meet standard MRI safety requirements;
  7. May not have used any nicotine product in the past year; must report fewer than 20 lifetime uses of nicotine
  8. Must have an expired carbon monoxide level of less than or equal to 10 ppm.
  9. Use of anticholinergic drugs in the past week
  10. Any past or present history of cardiac problems including known arrhythmias, acute coronary syndrome, or ischemic heart disease
  11. Uncontrolled hypertension
  12. History of substance abuse in the past 6 months (other than caffeine), self-reported use of marijuana in past month, or history of treatment with methadone
  13. Heavy caffeine users (consume greater than 500 mg on a regular or daily basis)
  14. Subjects that cannot speak English

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Basic Science
  • Allocation: Randomized
  • Interventional Model: Crossover Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: Placebo
Placebo comparator
Single Acute dose
Other Names:
  • Nicotine lozenge
Experimental: Nicotine

2mg of nicotine in the form of a nicotine polacrilex lozenge will be administered orally, one time.

4mg of nicotine in the form of a nicotine polacrilex lozenge will be administered orally, one time.

Single Acute dose
Other Names:
  • Nicotine lozenge

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change from Placebo in functional magnetic resonance imaging (fMRI) BOLD Response
Time Frame: Participants will be assessed during 2 fMRI scanning sessions, an expected average of 2 weeks.
Nicotine will enhance the fMRI BOLD response to monetary reinforcers relative to placebo administration
Participants will be assessed during 2 fMRI scanning sessions, an expected average of 2 weeks.

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Investigators

  • Principal Investigator: Amy Janes, Ph.D, McLean Hospital

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

February 1, 2015

Primary Completion (Actual)

November 1, 2017

Study Completion (Actual)

November 1, 2017

Study Registration Dates

First Submitted

January 14, 2015

First Submitted That Met QC Criteria

January 20, 2015

First Posted (Estimate)

January 27, 2015

Study Record Updates

Last Update Posted (Actual)

March 22, 2018

Last Update Submitted That Met QC Criteria

March 21, 2018

Last Verified

March 1, 2018

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

product manufactured in and exported from the U.S.

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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