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Pitolisant Effects on Alcohol Self-Administration in Heavy Drinkers

Primary Purpose

Alcohol Use Disorder, Alcohol Drinking

Status
Terminated
Phase
Phase 1
Locations
United States
Study Type
Interventional
Intervention
Pitolisant
Placebo
Sponsored by
Boston Medical Center
About
Eligibility
Locations
Arms
Outcomes
Full info

About this trial

This is an interventional treatment trial for Alcohol Use Disorder focused on measuring pitolisant, Wakix

Eligibility Criteria

21 Years - 55 Years (Adult)All SexesDoes not accept healthy volunteers

Inclusion Criteria:

  1. 21-55 years of age
  2. Able to verify age with a state or federal picture identification
  3. Exceeds safe weekly drinking limits during the 28 days prior to consent (average of 14 drinks for women or 21 drinks for men per week)
  4. Reports at least one episode of binge drinking (>3 drinks for women, >4 drinks for men) in the 28 days prior consent.
  5. Meets DSM-5 criteria for mild alcohol use disorder or greater severity.
  6. Has a smartphone to complete medication exposure period study assessments.

Exclusion Criteria:

  1. Seeking treatment for alcohol problems
  2. Clinical Institute Withdrawal Assessment at ≥10
  3. DSM-5 diagnosis of current major depression, bipolar disorder, schizophrenia, bulimia/anorexia, dementia, insomnia disorder or a substance use disorder other than alcohol, nicotine, marijuana or caffeine
  4. If female, pregnant, nursing, have plans to become pregnant
  5. If female, does not agree to use an accepted form of birth control
  6. Has a medical contraindication to the use of pitolisant
  7. Has medical or mental condition for which further alcohol exposure at the planned dose range would be contraindicated
  8. Current risk of suicidality (MINI suicidality score greater than 8 (low risk) or Yes to the ideation question #4 of the C-SSRS)
  9. BMI is greater than 40 or less than 18
  10. Impaired renal function (GFR <80 mL/min)
  11. Have a history of any clinically significant renal or hepatic disease
  12. Child-Pugh Score equal to or greater than Class B (evaluated based on presence or absence of encephalopathy and ascites, INR, bilirubin, and albumin) [https://www.mdcalc.com/child-pugh-score-cirrhosis-mortality]
  13. Have a clinically significant ECG as determined by the investigator or abnormal ECG heart rate (<45 or >100 bpm) or QTc interval corrected for heart rate using the Fridericia formula (QTcF) > 450 msec
  14. Have a history of cardiac arrhythmias or who for other reasons are at risk for developing Torsade de Pointes including those with bradycardia, hypokalemia, and congenital QT interval prolongation
  15. Has received alcohol counseling or other non-pharmacologic intervention to treat AUD in the past 90 days
  16. Has taken medications that are used to treat AUD in the past 90 days
  17. Has urine toxicology results positive for cocaine, opioids, amphetamines, buprenorphine, methadone, methamphetamines, oxycontin, barbiturates, or benzodiazepines.
  18. Subject is taking a medication which will significantly alter drug metabolism (e.g., strong CYP2D6 inhibitors, strong CYP3A4 inducers, or H1 receptor antagonists that cross the blood barrier (e.g. diphenhydramine or meclizine).
  19. Subject is known to be a poor CYP2D6 metabolizer.
  20. Subject is unable to comfortably abstain from nicotine for a period of 8 hours.
  21. Has Chronic Obstructive Pulmonary Disease (COPD), history of solid organ transplant, sickle cell disease, severe heart disease or other health condition for which exposure to COVID-19 represents an unreasonable risk as determined by the study staff physician using accepted COVID-19 guidance (e.g. Centers for Disease Control, etc.).

Sites / Locations

  • Boston University Psychiatry Research Center, Clinical Studies Unit

Arms of the Study

Arm 1

Arm 2

Arm Type

Experimental

Placebo Comparator

Arm Label

Pitolisant

Placebo

Arm Description

Subjects will take an 8.9 mg dose (two 4.45 mg pills) of pitolisant once per day on day 1 through 4. On day 5, 8.9 mg will be taken in front of staff prior to an alcohol self administration trial.

Subjects will take an placebo once per day on day 1 through 4. On day 5, a placebo will be taken in front of staff prior to an alcohol self administration trial.

Outcomes

Primary Outcome Measures

Alcohol Consumption
Alcohol consumption will be measured by using a graduated cylinder to determine the amount of alcohol given to the subject that was not consumed. This outcome will be measured as standard drink units. A standard drink contains approximately 0.6 fluid ounces of pure alcohol.
Alcohol Craving
Alcohol craving will be measured by self report with the Visual Analog Scale (VAS). The VAS is a straight line with one end meaning no alcohol craving and the other end meaning intense alcohol craving. The Participant marks a point on the line that matches their amount of alcohol craving.
Alcohol Urge
The Alcohol Urge questionnaire (AUQ) is an 8 item measure of self-reported urges to drink in human laboratory studies that assesses the participant's urge for an alcoholic drink at the time the questionnaire is completed, Questions are in the form of a 7-point Likert scale (from strongly disagree to strongly disagree) and participants select the extent to which they disagree or agree with the 8 statements relating to desire to drink, expectation of a desired outcome from drinking, and inability to avoid drinking if alcohol was available. Lower scores are associated with less urge for an alcoholic drink.

Secondary Outcome Measures

Alcohol-induced stimulation
Whether pitolisant increases the stimulant effects of a priming drink of alcohol will be assessed using the Biphasic Alcohol Effects Scale (BAES). It is a self-report, unipolar adjective rating scale that is designed to measure both stimulant and sedative effects of alcohol. It consists of fourteen items, that comprise two subscales (stimulant and sedative). Items are rated on a eleven-point scale from 0 (not at all) to 10 (extremely). The stimulant subscale can range from 0 to 70 and the sedative scale can rage from 0 to 50. Higher scores are associated with more stimulant and sedative effects, respectively.
Alcohol craving during 4-day drug exposure
The Visual Analog Scale (VAS) will be used to assess alcohol craving during the medication exposure period. The VAS is a 10 cm straight line with one end meaning no alcohol craving and the other end meaning intense alcohol craving. Higher scores are associated with more cravings.
Alcohol consumption during the 4-day drug exposure
Alcohol consumption during the 4 days of drug exposure will be measured using the timeline followback method

Full Information

First Posted
October 15, 2020
Last Updated
May 17, 2023
Sponsor
Boston Medical Center
Collaborators
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
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1. Study Identification

Unique Protocol Identification Number
NCT04596267
Brief Title
Pitolisant Effects on Alcohol Self-Administration in Heavy Drinkers
Official Title
The Effects of the Histamine-3 Receptor Inverse Agonist Pitolisant on Alcohol Self-Administration in Heavy Drinkers
Study Type
Interventional

2. Study Status

Record Verification Date
May 2023
Overall Recruitment Status
Terminated
Why Stopped
Study funding was exhausted prior to reaching the recruitment goal due to pandemic related delays
Study Start Date
September 13, 2021 (Actual)
Primary Completion Date
February 3, 2023 (Actual)
Study Completion Date
February 3, 2023 (Actual)

3. Sponsor/Collaborators

Responsible Party, by Official Title
Sponsor
Name of the Sponsor
Boston Medical Center
Collaborators
National Institute on Alcohol Abuse and Alcoholism (NIAAA)

4. Oversight

Studies a U.S. FDA-regulated Drug Product
Yes
Studies a U.S. FDA-regulated Device Product
No
Product Manufactured in and Exported from the U.S.
No
Data Monitoring Committee
No

5. Study Description

Brief Summary
This is a double-blind, randomized, placebo-controlled, crossover design trial that will test the effect of pitolisant on alcohol self-administration and craving following a priming dose of alcohol. The specific objective of this proposal is to determine whether pitolisant has effects on alcohol consumption and craving
Detailed Description
The present proposal is intended to answer the call for accelerating drug development by exploring the potential of a novel anticonvulsant, Pitolisant as a candidate medication for the treatment of AUD. Pitolisant is an H-3 receptor inverse agonist that is FDA-approved for treating narcolepsy which has been found to have effects of on alcohol craving and consumption in preclinical studies. The aims of this study are to test the effects of Pitolisant on alcohol self-administration and craving among a sample of non-treatment seeking heavy drinkers. The effects of 5-days of pitolisant (8.9mg) or placebo will be evaluated in a human laboratory using an alcohol self-administration methodology. In this within-subjects crossover design, heavy drinkers (N=28) will be randomized to the order of exposure (Pitolisant or placebo) prior to completing two alcohol self-administration trials. Subjects will receive a priming drink of alcohol and will have access to 8 alcoholic drinks over a 2-hour period. The investigators anticipate that subjects will consume less alcohol during an alcohol self-administration trial when receiving Pitolisant compared to when they are receiving placebo. Significant Pitolisant-induced reductions in the quantity of alcohol self-administered will be considered to be an indication that this drug may have value as an AUD medication. This study may provide a rationale for phase II clinical studies testing Pitolisant with a treatment-seeking AUD population.

6. Conditions and Keywords

Primary Disease or Condition Being Studied in the Trial, or the Focus of the Study
Alcohol Use Disorder, Alcohol Drinking
Keywords
pitolisant, Wakix

7. Study Design

Primary Purpose
Treatment
Study Phase
Phase 1
Interventional Study Model
Crossover Assignment
Model Description
This is a double-blind, randomized, placebo-controlled, crossover design trial that will test the effect of pitolisant on alcohol self-administration and craving following a priming dose of alcohol.
Masking
ParticipantCare ProviderInvestigatorOutcomes Assessor
Masking Description
This study is double-blind. Medications are over-encapsulated.
Allocation
Randomized
Enrollment
9 (Actual)

8. Arms, Groups, and Interventions

Arm Title
Pitolisant
Arm Type
Experimental
Arm Description
Subjects will take an 8.9 mg dose (two 4.45 mg pills) of pitolisant once per day on day 1 through 4. On day 5, 8.9 mg will be taken in front of staff prior to an alcohol self administration trial.
Arm Title
Placebo
Arm Type
Placebo Comparator
Arm Description
Subjects will take an placebo once per day on day 1 through 4. On day 5, a placebo will be taken in front of staff prior to an alcohol self administration trial.
Intervention Type
Drug
Intervention Name(s)
Pitolisant
Other Intervention Name(s)
wakix
Intervention Description
8.9mg Pitolisant for 5 days
Intervention Type
Drug
Intervention Name(s)
Placebo
Intervention Description
Inert ingredients
Primary Outcome Measure Information:
Title
Alcohol Consumption
Description
Alcohol consumption will be measured by using a graduated cylinder to determine the amount of alcohol given to the subject that was not consumed. This outcome will be measured as standard drink units. A standard drink contains approximately 0.6 fluid ounces of pure alcohol.
Time Frame
2.6 hours
Title
Alcohol Craving
Description
Alcohol craving will be measured by self report with the Visual Analog Scale (VAS). The VAS is a straight line with one end meaning no alcohol craving and the other end meaning intense alcohol craving. The Participant marks a point on the line that matches their amount of alcohol craving.
Time Frame
2.6 hours
Title
Alcohol Urge
Description
The Alcohol Urge questionnaire (AUQ) is an 8 item measure of self-reported urges to drink in human laboratory studies that assesses the participant's urge for an alcoholic drink at the time the questionnaire is completed, Questions are in the form of a 7-point Likert scale (from strongly disagree to strongly disagree) and participants select the extent to which they disagree or agree with the 8 statements relating to desire to drink, expectation of a desired outcome from drinking, and inability to avoid drinking if alcohol was available. Lower scores are associated with less urge for an alcoholic drink.
Time Frame
2.6 hours
Secondary Outcome Measure Information:
Title
Alcohol-induced stimulation
Description
Whether pitolisant increases the stimulant effects of a priming drink of alcohol will be assessed using the Biphasic Alcohol Effects Scale (BAES). It is a self-report, unipolar adjective rating scale that is designed to measure both stimulant and sedative effects of alcohol. It consists of fourteen items, that comprise two subscales (stimulant and sedative). Items are rated on a eleven-point scale from 0 (not at all) to 10 (extremely). The stimulant subscale can range from 0 to 70 and the sedative scale can rage from 0 to 50. Higher scores are associated with more stimulant and sedative effects, respectively.
Time Frame
2.6 hours
Title
Alcohol craving during 4-day drug exposure
Description
The Visual Analog Scale (VAS) will be used to assess alcohol craving during the medication exposure period. The VAS is a 10 cm straight line with one end meaning no alcohol craving and the other end meaning intense alcohol craving. Higher scores are associated with more cravings.
Time Frame
4 days
Title
Alcohol consumption during the 4-day drug exposure
Description
Alcohol consumption during the 4 days of drug exposure will be measured using the timeline followback method
Time Frame
4 days

10. Eligibility

Sex
All
Minimum Age & Unit of Time
21 Years
Maximum Age & Unit of Time
55 Years
Accepts Healthy Volunteers
No
Eligibility Criteria
Inclusion Criteria: 21-55 years of age Able to verify age with a state or federal picture identification Exceeds safe weekly drinking limits during the 28 days prior to consent (average of 14 drinks for women or 21 drinks for men per week) Reports at least one episode of binge drinking (>3 drinks for women, >4 drinks for men) in the 28 days prior consent. Meets DSM-5 criteria for mild alcohol use disorder or greater severity. Has a smartphone to complete medication exposure period study assessments. Exclusion Criteria: Seeking treatment for alcohol problems Clinical Institute Withdrawal Assessment at ≥10 DSM-5 diagnosis of current major depression, bipolar disorder, schizophrenia, bulimia/anorexia, dementia, insomnia disorder or a substance use disorder other than alcohol, nicotine, marijuana or caffeine If female, pregnant, nursing, have plans to become pregnant If female, does not agree to use an accepted form of birth control Has a medical contraindication to the use of pitolisant Has medical or mental condition for which further alcohol exposure at the planned dose range would be contraindicated Current risk of suicidality (MINI suicidality score greater than 8 (low risk) or Yes to the ideation question #4 of the C-SSRS) BMI is greater than 40 or less than 18 Impaired renal function (GFR <80 mL/min) Have a history of any clinically significant renal or hepatic disease Child-Pugh Score equal to or greater than Class B (evaluated based on presence or absence of encephalopathy and ascites, INR, bilirubin, and albumin) [https://www.mdcalc.com/child-pugh-score-cirrhosis-mortality] Have a clinically significant ECG as determined by the investigator or abnormal ECG heart rate (<45 or >100 bpm) or QTc interval corrected for heart rate using the Fridericia formula (QTcF) > 450 msec Have a history of cardiac arrhythmias or who for other reasons are at risk for developing Torsade de Pointes including those with bradycardia, hypokalemia, and congenital QT interval prolongation Has received alcohol counseling or other non-pharmacologic intervention to treat AUD in the past 90 days Has taken medications that are used to treat AUD in the past 90 days Has urine toxicology results positive for cocaine, opioids, amphetamines, buprenorphine, methadone, methamphetamines, oxycontin, barbiturates, or benzodiazepines. Subject is taking a medication which will significantly alter drug metabolism (e.g., strong CYP2D6 inhibitors, strong CYP3A4 inducers, or H1 receptor antagonists that cross the blood barrier (e.g. diphenhydramine or meclizine). Subject is known to be a poor CYP2D6 metabolizer. Subject is unable to comfortably abstain from nicotine for a period of 8 hours. Has Chronic Obstructive Pulmonary Disease (COPD), history of solid organ transplant, sickle cell disease, severe heart disease or other health condition for which exposure to COVID-19 represents an unreasonable risk as determined by the study staff physician using accepted COVID-19 guidance (e.g. Centers for Disease Control, etc.).
Overall Study Officials:
First Name & Middle Initial & Last Name & Degree
Eric Devine, PhD
Organizational Affiliation
Boston Medical Center
Official's Role
Principal Investigator
Facility Information:
Facility Name
Boston University Psychiatry Research Center, Clinical Studies Unit
City
Boston
State/Province
Massachusetts
ZIP/Postal Code
02118
Country
United States

12. IPD Sharing Statement

Plan to Share IPD
No
IPD Sharing Plan Description
Deidentified data from this study will be submitted to the NIAAA Data archive (https://nda.nih.gov/).

Learn more about this trial

Pitolisant Effects on Alcohol Self-Administration in Heavy Drinkers

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