Cocaine Dependence, Nicotine Dependence
Conditions
Brief summary
The purpose of this study is to examine the role of progesterone (a hormone found in both men and women) on stopping cocaine use. The study will examine whether the medication, in combination with behavior therapy will decrease cocaine use, cigarette smoking, withdrawal symptoms, impulsivity and stress.
Interventions
DRUGProgesterone
Progesterone 200 mg twice daily
DRUGPlacebo
Sponsors
University of Minnesota
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)
Eligibility
Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
No
Inclusion criteria
* Females between 18 and 45 and males between 18 and 60 years-of-age; * Understand the study procedures and provide written informed consent; * Meet DSM-IV criteria for cocaine or methamphetamine and nicotine dependence; * Minimum of cocaine use 4 days/months over last 3 months; * Minimum of 5 cigarettes/day for last twelve months; * Stable psychiatric status; * Stable medical status; Willing to use double-barrier contraception method if sexually active and not surgically sterilized; * Regular menstrual cycles (for females); * No contraindications to progesterone treatment; * Ability to participate fully in research elements for the duration of the trial.
Exclusion criteria
* DSM-IV diagnoses for current or lifetime psychotic disorders (unless substance induced), bipolar disorder, current ADHD and other current substance dependence (except nicotine dependence, or alcohol or cannabis dependence not exhibiting withdrawal or other features requiring medical attention); * Currently using nicotine pharmacotherapy preparations; * history of thromboembolic events, diabetes, stroke, heart disease; * Psychotropic medications other than stable doses of anti-depressants; * Currently pregnant or nursing; * Liver enzyme levels three times normal limits; * Previous treatment with or adverse response to progesterone. * Serious suicide attempt within preceding 2 years; * Current use of exogenous hormones. * Conditions contraindicated to progesterone treatment (including, but not limited to, thrombophlebitis, deep vein thrombosis, pulmonary embolus, clotting or bleeding disorders, heart disease, diabetes, history of stroke, allergy to peanuts, hypersensitive to progesterone and liver dysfunction). * History of pheochromotytoma or narrow angle glaucoma, * Current hypertension, tachycardia or clinically relevant ECG abnormalites; * Allergy to peanuts, * Current suicidality or need for emergency psychiatric treatment.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Cocaine Cessation | Days 1 to 86 | Urine Test |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Impulsivity | Days 1 to 86 | Self report of the following subjective questionnaires: (1) Behavioral Inhibition Activation Scales, (2) Barratt Impulsivity Scale, and (3) Brief Self Control Scale. |
Countries
United States
Outcome results
None listed