Status:

COMPLETED

Proof-Of-Concept Investigation With a Neurosteroid Analog (Ganaxolone) as a Smoking Cessation Candidate

Lead Sponsor:

Jed E. Rose

Collaborating Sponsors:

National Institute on Drug Abuse (NIDA)

Conditions:

Smoking Cessation

Eligibility:

All Genders

18-65 years

Phase:

PHASE2

Brief Summary

The purpose of this research study is to evaluate whether the investigational drug ganaxolone can help smokers quit smoking. Ganaxolone is a drug that has been investigated (in other research studies)...

Detailed Description

The purpose of this proof-of-concept study is to evaluate whether expired air carbon monoxide (CO) will be reduced and smoking cessation success rates enhanced for smokers who receive the neurosteroid...

Eligibility Criteria

Inclusion

  • Have no known serious medical conditions;
  • Are 18-65 years old;
  • Smoke an average of at least 10 cigarettes per day;
  • Have smoked at least one cumulative year;
  • Have an expired air CO reading of at least 10ppm;
  • Able to read and understand English;
  • Express a desire to quit smoking in the next thirty days.
  • Potential subjects must agree to use acceptable contraception during their participation in this study.
  • Potential subjects must agree to avoid the following during their participation in this study:
  • participation in any other nicotine-related modification strategy outside of this protocol;
  • use of tobacco products other than cigarettes, including pipe tobacco, cigars, e-cigarettes, snuff, and chewing tobacco;
  • use of experimental (investigational) drugs or devices;
  • use of illegal drugs;
  • use of opiate medications;
  • consumption of grapefruit or grapefruit juice for the first six weeks of study participation;
  • use of melatonin;
  • use of sedating antihistamines for the first six weeks of study participation;
  • use of alcohol during the first six weeks of study participation.
  • use of benzodiazepines

Exclusion

  • Inability to attend all required experimental sessions;
  • Inability to take oral drugs or adhere to medication regimens;
  • Hypertension (systolic \>140 mm Hg, diastolic \>90 mm Hg);
  • Hypotension with symptoms (systolic \<90 mm Hg, diastolic \<60 mm Hg).
  • Coronary heart disease;
  • Lifetime history of heart attack;
  • Clinically significant cardiac rhythm disorder (irregular heart rhythm);
  • Chest pains;
  • Cardiac (heart) disorder;
  • Extensive active skin disorder;
  • Liver or kidney disorder;
  • Gastrointestinal disease other than gastroesophageal reflux or heartburn;
  • Active ulcers in the past 30 days;
  • Currently symptomatic lung disorder/disease;
  • Brain abnormality;
  • Migraine headaches that occur more frequently than once per week;
  • History of seizures;
  • Recent, unexplained fainting spells;
  • Problems giving blood samples;
  • Diabetes (unless treated with diet and exercise alone);
  • Current cancer or treatment for cancer in the past six months (except basal or squamous cell skin cancer);
  • Other major medical condition;
  • Current symptomatic psychiatric disease;
  • Current depression;
  • Current suicidal ideation or history of suicide attempt (in the past 5 years);
  • Pregnant or nursing mothers;
  • Use (within the past 30 days) of:
  • Illegal drugs (or if the urine drug screen is positive),
  • Experimental (investigational) drugs;
  • Psychiatric medications including antidepressants, antipsychotics or any other medications that are known to affect smoking cessation (e.g. clonidine);
  • Corticosteroids;
  • Cytochrome P450 341 (CYP3A4) inhibitors and inducers;
  • Smokeless tobacco (chewing tobacco, snuff), pipes or e-cigarettes;
  • Wellbutrin, bupropion, Zyban, Chantix, varenicline, nicotine replacement therapy or any other smoking cessation aid.
  • Use (within the past 14 days) of:
  • dehydroepiandrosterone (DHEA), Pregnenolone or ganaxolone;
  • Opiate medications for pain or sleep;
  • Benzodiazepines or other drugs with significant sedating or anticholinergic activity;
  • Use of more than one cigar a month;
  • Regular alcohol use;
  • Significant adverse reaction to nicotine patches in the past.
  • Significant past adverse reaction to ganaxolone in the past.
  • Current participation or recent participation (in the past 30 days) in another smoking study at our center or another research facility.
  • Current participation in another research study.

Key Trial Info

Start Date :

June 1 2013

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 1 2014

Estimated Enrollment :

36 Patients enrolled

Trial Details

Trial ID

NCT01857531

Start Date

June 1 2013

End Date

February 1 2014

Last Update

September 8 2014

Active Locations (4)

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Page 1 of 1 (4 locations)

1

Duke Center for Smoking Cessation

Charlotte, North Carolina, United States, 28210

2

Duke Center for Smoking Cessation

Durham, North Carolina, United States, 27705

3

Duke Center for Smoking Cessation

Raleigh, North Carolina, United States, 27609

4

Duke Center for Smoking Cessation

Winston-Salem, North Carolina, United States, 27103