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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01954966
Other study ID # 811940
Secondary ID K24DA030301
Status Completed
Phase Phase 4
First received
Last updated
Start date November 2010
Est. completion date December 2021

Study information

Verified date June 2022
Source University of Pennsylvania
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Male and female smokers were recruited to undergo 2 phases of smoking cessation. Each phase was 4 days long and involved 3 brain-imaging scans, blood draws and an intervention involving progesterone or a matched placebo.


Description:

The purpose of this study is to learn whether a sex hormone called progesterone is helpful in reducing cigarette smoking and craving for cigarettes. This study also includes brain imaging to measure possible effects of progesterone on certain neurochemicals. These neurochemicals are called gamma-aminobutyric acid (or GABA for short) and glutamate. Both nicotine and progesterone affect these brain chemicals. Individuals wishing to participate in this study must be medically healthy men or women who smoke at least 10 cigarettes per day or greater. Participants must not suffer from a mental illness or use drugs other than nicotine and marijuana. Participants cannot have any implanted metallic devices such as pacemakers, orthodontic braces, or shrapnel. Participants must not have peanut allergies and must never have had a reaction to progesterone. Finally, participants cannot be taking any medications for anxiety, depression or insomnia.


Recruitment information / eligibility

Status Completed
Enrollment 81
Est. completion date December 2021
Est. primary completion date December 2021
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 50 Years
Eligibility Inclusion Criteria: - Female and male smokers, aged 18 to 50 years; - History of smoking greater than or equal to 10 cigarettes daily for the past year, as per self-report (periods of smoking abstinence within the last year will be exclusionary at PI discretion); - Not seeking treatment at the time of the study for nicotine dependence; - Have a Fagerstrom Test for Nicotine Dependence (FTND) score of at least 3 and a Carbon Monoxide (CO) level greater than or equal to 11 ppm; - Clean urine drug screen (marijuana is permissible); - In good health as verified by medical history; - For women, not pregnant as determined by pregnancy screening, nor breast feeding. Exclusion Criteria: - History of major medical illness: including liver diseases, abnormal vaginal bleeding, suspected or known malignancy; thrombophlebitis; deep vein thrombosis; pulmonary embolus; clotting or bleeding disorders; heart disease; diabetes; history of stroke or other medical conditions that the physician investigator deems as contraindicated for the patient to be in the study; - Regular use of psychotropic medication (antidepressants, antipsychotics, or anxiolytics) and recent (within previous year) psychiatric diagnosis and treatment for Axis I disorders including major depression, bipolar affective disorder, generalized anxiety disorder, post-traumatic stress disorder and panic disorder; - Lifetime history of schizophrenia or other psychotic disorder; - Lifetime substance dependence disorder, excepting nicotine, alcohol and marijuana, as per SCID interview - Substance use disorders within the previous 2 years, excepting nicotine, as per SCID interview - Regular use of any other tobacco products than cigarettes, including smokeless tobacco and nicotine products; - Known allergy to progesterone or peanuts (vehicle for micronized progesterone).

Study Design


Intervention

Drug:
Progesterone
Participants will consume four pills of Progesterone over a period of four days. Participants will be asked to remain abstinent from smoking while taking Progesterone.
Placebo
Participants will consume four pills of Placebo over a period of four days. Participants will be asked to remain abstinent from smoking while taking Placebo.

Locations

Country Name City State
United States Penn Center for Women's Behavioral Wellness Philadelphia Pennsylvania

Sponsors (2)

Lead Sponsor Collaborator
University of Pennsylvania National Institute on Drug Abuse (NIDA)

Country where clinical trial is conducted

United States, 

References & Publications (5)

Cai K, Nanga RP, Lamprou L, Schinstine C, Elliott M, Hariharan H, Reddy R, Epperson CN. The impact of gabapentin administration on brain GABA and glutamate concentrations: a 7T ¹H-MRS study. Neuropsychopharmacology. 2012 Dec;37(13):2764-71. doi: 10.1038/npp.2012.142. Epub 2012 Aug 8. — View Citation

Cosgrove KP, Mitsis EM, Bois F, Frohlich E, Tamagnan GD, Krantzler E, Perry E, Maciejewski PK, Epperson CN, Allen S, O'malley S, Mazure CM, Seibyl JP, van Dyck CH, Staley JK. 123I-5-IA-85380 SPECT imaging of nicotinic acetylcholine receptor availability in nonsmokers: effects of sex and menstrual phase. J Nucl Med. 2007 Oct;48(10):1633-40. Epub 2007 Sep 14. — View Citation

Epperson CN, O'Malley S, Czarkowski KA, Gueorguieva R, Jatlow P, Sanacora G, Rothman DL, Krystal JH, Mason GF. Sex, GABA, and nicotine: the impact of smoking on cortical GABA levels across the menstrual cycle as measured with proton magnetic resonance spectroscopy. Biol Psychiatry. 2005 Jan 1;57(1):44-8. — View Citation

Epperson CN, Toll B, Wu R, Amin Z, Czarkowski KA, Jatlow P, Mazure CM, O'Malley SS. Exploring the impact of gender and reproductive status on outcomes in a randomized clinical trial of naltrexone augmentation of nicotine patch. Drug Alcohol Depend. 2010 Nov 1;112(1-2):1-8. doi: 10.1016/j.drugalcdep.2010.04.021. Epub 2010 Jun 19. — View Citation

Mason GF, Petrakis IL, de Graaf RA, Gueorguieva R, Guidone E, Coric V, Epperson CN, Rothman DL, Krystal JH. Cortical gamma-aminobutyric acid levels and the recovery from ethanol dependence: preliminary evidence of modification by cigarette smoking. Biol Psychiatry. 2006 Jan 1;59(1):85-93. Epub 2005 Nov 14. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary GABA Pre and Post Progesterone Administration (Dorsal Anterior Cingulate Cortex [DACC]) GABA concentrations (collected in the Dorsal Anterior Cingulate Cortex [DACC]) will be obtained using the non-invasive neuroimaging method of proton magnetic resonance spectroscopy (1H-MRS) both before and after placebo administration and smoking abstinence. In total subjects will undergo 6 1H-MRS scans. The 6 1H-MRS scans take place over a period of approximately 1-2 months. Each paradigm (placebo/progesterone) takes approximately one week, with an approximately two-week wash in between paradigms for men and an approximately 1-month wash in between paradigms for women. The subject will undergo a smoking session on Test Day #1 and Test Day #5, MRS scans are conducted on Test Day #2 (2 scans) and Test Day #5 (1 scan).
Minimal data is available for the primary outcome due to substantial issues with the 7T scanner. All subsequent scans were conducted on a 3T scanner which does not have the capacity to collect data on GABA.
Test Day #2 and Test Day #5 - 6 total scans over the period of 2-3 months.
Primary GABA Pre and Post Progesterone Administration (Dorsolateral Pre-Frontal Cortex [DLPFC]) GABA concentrations (collected in the Dorsolateral Pre-Frontal Cortex [DLPFC]) will be obtained using the non-invasive neuroimaging method of proton magnetic resonance spectroscopy (1H-MRS) both before and after placebo administration and smoking abstinence. In total subjects will undergo 6 1H-MRS scans. The 6 1H-MRS scans take place over a period of approximately 1-2 months. Each paradigm (placebo/progesterone) takes approximately one week, with an approximately two-week wash in between paradigms for men and an approximately 1-month wash in between paradigms for women. The subject will undergo a smoking session on Test Day #1 and Test Day #5, MRS scans are conducted on Test Day #2 (2 scans) and Test Day #5 (1 scan).
Minimal data is available for the primary outcome due to substantial issues with the 7T scanner. All subsequent scans were conducted on a 3T scanner which does not have the capacity to collect data on GABA.
Test Day #2 and Test Day #5 - 6 total scans over the period of 2-3 months.
Secondary Symptoms During Nicotine Abstinence (NWSC) Withdrawal symptoms will be measured using the Nicotine Withdrawal Symptoms Checklist (NWSC). The scale ranges from a minimum of 0 to a maximum of 28, with higher scores indicating greater withdrawal (more withdrawal symptoms, higher intensity/severity of withdrawal). Day 1 (pre and post smoking session, day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Brief Questionnaire on Smoking Urges (BQSU) Craving will be assessed using the Brief Questionnaire on Smoking Urges (BQSU). It ranges from 7-70 with higher levels indicating higher levels of nicotine craving. Day 1 (pre and post smoking session, day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Tiffany Questionnaire on Smoking Urges (TQSU) Craving will also be assessed using the Tiffany Questionnaire for Smoking Urges. It ranges from 32 to 224 with higher scores indicated higher levels of smoking urges/craving. Day 1 (pre smoking session, day 3 (PM), day 4 (PM), day 5 (pre smoking session)
Secondary Profile of Mood States (POMS) Subscale: Tension-Anxiety Profile of Mood States (POMS) Subscale: Tension-Anxiety. This subscale ranges from 0-28 with higher levels indicating greater tension/anxiety. Day 2 (pre and post scan), Day 5 (pre smoking session)
Secondary Profile of Mood States (POMS) Subscale: Depression-Dejection Profile of Mood States (POMS) Subscale: Depression-Dejection. This subscale ranges from 0-60 with higher levels indicating greater depression/dejection. Day 2 (pre and post scan), Day 5 (pre smoking session)
Secondary Profile of Mood States (POMS) Subscale: Anger-Hostility Profile of Mood States (POMS) Subscale: Anger-Hostility. This scale ranges from 0 to 48 with higher levels indicating higher levels of anger/hostility. Day 2 (pre and post scan), Day 5 (pre smoking session)
Secondary Profile of Mood States (POMS) Subscale: Fatigue Profile of Mood States (POMS) Subscale: Fatigue. This subscale ranges from 0 to 28 with higher scores indicating higher levels of fatigue. Day 2 (pre and post scan), Day 5 (pre smoking session)
Secondary Profile of Mood State (POMS) Subscale: Vigor Profile of Mood State (POMS) Subscale: Vigor. Subscale ranges from 0 to 32, with higher levels indicating higher levels of vigor. Day 2 (pre and post scan), Day 5 (pre smoking session)
Secondary Profile of Mood States (POMS) Subscale: Confusion-Bewilderment Profile of Mood States (POMS) Subscale: Confusion-Bewilderment. Ranges from 0 to 28 with higher levels indicating higher levels of confusion/bewilderment. Day 2 (pre and post scan), Day 5 (pre smoking session)
Secondary Visual Analog Scale (VAS) Question: Headache Visual Analog Scale (VAS) question: Headache. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Hunger Visual Analog Scale (VAS) question: Hunger. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Nauseous Visual Analog Scale (VAS) question: Nauseous. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Heartburn. Visual Analog Scale (VAS) question: Heartburn. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Tired Visual Analog Scale (VAS) question: Tired. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Irritable Visual Analog Scale (VAS) question: Irritable. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Energetic Visual Analog Scale (VAS) question: Energetic. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Relaxed Visual Analog Scale (VAS) question: Relaxed. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Talkative Visual Analog Scale (VAS) question: Headache. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Happy Visual Analog Scale (VAS) question: Happy. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Nervous Visual Analog Scale (VAS) question: Nervous. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Sad Visual Analog Scale (VAS) question: Sad. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Calm Visual Analog Scale (VAS) question: Calm. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Depressed Visual Analog Scale (VAS) question: Depressed. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Drowsy Visual Analog Scale (VAS) question: Drowsy. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Visual Analog Scale (VAS) Question: Anxious Visual Analog Scale (VAS) question: Anxious. Scale ranges from 0 to 100 with higher levels indicating greater intensity of symptom/feeling. Day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Positive and Negative Affect Schedule (PANAS) Negative Affect Positive and Negative Affect Schedule (PANAS) Negative Affect Score. Ranges from 10-50 with higher scores representing higher levels of negative affect. Day 1 (pre and post smoking session, day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Positive and Negative Affect Schedule (PANAS) Positive Affect Positive and Negative Affect Schedule (PANAS) Positive Affect Score. Ranges from 10-50 with higher scores representing higher levels of positive affect. Day 1 (pre and post smoking session, day 2 (pre and post scan), day 3 (AM and PM), day 4 (AM and PM), day 5 (pre and post smoking session)
Secondary Nicotine Effects Questionnaire (NEQ) Question: Feels Strength of Nicotine Nicotine Effects Questionnaire (NEQ) question: feels strength of nicotine. Score ranges from 0 to 100 with higher levels indicating feeling stronger effects of nicotine after smoking. Day 1 (pre smoking session), Day 5 (post smoking session)
Secondary Nicotine Effects Questionnaire (NEQ) Question: Feels Good Effects of Nicotine NEQ question: feels good effects of nicotine. Score ranges from 0 to 100 with higher levels indicating feeling more good effects of nicotine after smoking. Day 1 (pre smoking session), Day 5 (post smoking session)
Secondary Nicotine Effects Questionnaire (NEQ) Question: Feels Bad Effects of Nicotine Nicotine Effects Questionnaire (NEQ) question: feels bad effects of nicotine. Score ranges from 0 to 100 with higher levels indicating feeling more bad effects of nicotine after smoking. Day 1 (pre smoking session), Day 5 (post smoking session)
Secondary Nicotine Effects Questionnaire (NEQ) Question: Head Rush Nicotine Effects Questionnaire (NEQ) question: feels head rush. Score ranges from 0 to 100 with higher levels indicating feeling stronger/more intense head rush after smoking. Day 1 (pre smoking session), Day 5 (post smoking session)
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