- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03852628
Kappa Opioid Receptor Antagonism for the Tx of AUD and Comorbid PTSD
Kappa Opioid Receptor Antagonism for the Treatment of Alcohol Use Disorder (AUD) and Comorbid Post-Traumatic Stress Disorder (PTSD)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Hypothesis: The treatment of (sublingual buprenorphine) SL-BUP + (extended release naltrexone) XR-NTX will significantly reduce both (alcohol use disorder) AUD and (post-traumatic stress disorder) PTSD symptoms.
Primary Inclusion Criteria: Treatment-seeking individuals with comorbid AUD and PTSD
Subject Completion Target: A total of 90 male and female, treatment-seeking individuals with comorbid AUD and PTSD screened, enrolled, and randomized to treatment group
Study Protocol:
Screening: Potential participants are pre-screened by phone to ensure they meet basic study criteria. During informed consent and screening processes, participants receive thorough pre-enrollment education and the commitment to and feasibility for follow-up are confirmed. Screening visit is separate (at least 2-day interval) from Baseline visit. A participant who is otherwise meeting eligibility criteria except for taking an excluded medication can undergo a medically supervised discontinuation and 5-day washout of medication(s). At any point in the screening process and based on the inclusion and exclusion criteria listed above, the participant may be deemed eligible and proceed to baseline visit or investigator may exclude a participant and refer him/her for appropriate treatment.
At baseline, participants are randomized to receive either treatment A (buprenorphine 2mg SL with naltrexone 380mg IM) or treatment B (SL placebo and IM placebo) in a double-blind fashion. The treatment allocation ratio for the treatment vs. placebo regimens is 1:1.
At Screening, Baseline and Follow-up, an independent rater at each site performs the Timeline Follow Back (TLFB), Clinician Administered PTSD Scale for DSM-5 (CAPS-5), and Columbia Suicide Severity Rating (CSSR) assessments. Safety endpoints, adverse events (AEs), vital signs, and laboratory measures are tracked for each subject to assess study drug safety.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Contact
- Name: Lori Davis, MD
- Phone Number: 205-554-3819
- Email: lori.davis@va.gov
Study Contact Backup
- Name: Sandra Creel
- Phone Number: 205-554-2840
- Email: Sandra.Creel@va.gov
Study Locations
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Alabama
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Tuscaloosa, Alabama, United States, 35404
- Tuscaloosa VA Medical Center
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Connecticut
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West Haven, Connecticut, United States, 06516
- VA Connecticut Healthcare System
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Male or female, 18 to 70 years of age, capable of reading and understanding English, and able to provide written informed consent (i.e. no surrogate).
- Current moderate to severe AUD as determined by MINI International Neuropsychiatric Interview for DSM-5 (MINI-5).
- At least two recent episodes of heavy drinking (>5 standard drinks/sessions for men and >4 standard drinks/sessions for women) over the past 30 days, and heavy drinking pattern defined as 14 drinks per week for women and 21 drinks per week for men for at least 2 of a 4-week interval within the 90 days prior to baseline; i.e. at least Moderate Risk level on WHO category.
- PTSD diagnosis defined by MINI-5 at screening.
- Clinician Administered PTSD Scale for DSM-5 (CAPS-5) total score ≥26 for the past week at baseline.
- Females of child-bearing potential must be using medically acceptable birth control (e.g. oral, implantable, injectable, or transdermal contraceptives; intrauterine device; double-barrier method) AND not be pregnant OR have plans for pregnancy or breastfeeding during the study.
- Must have a CIWA-Ar score of < 8 prior to randomization.
- Willing and able to refrain from medications thought to influence alcohol consumption (other formulations of naltrexone, disulfiram, acamprosate, topiramate, ondansetron, and baclofen).
Willing and able to refrain from psychotropic medications: stimulants/ADHD treatment, Alzheimer's medications, antipsychotics, benzodiazepines, antianxiety medications, mood stabilizers, and other sedatives.
Notes:
- Participants may continue stable dose of antidepressants, prazosin, and non-benzodiazepine hypnotics and non-benzodiazepine anxiolytics to treat PTSD or insomnia.
- Stable dose is defined as taken for ≥2 months prior to randomization and current does has been stable for ≥3 weeks prior to randomization and held constant during 12 weeks of study medication.)
Exclusion Criteria:
- Current diagnosis of DSM-5 bipolar I, schizophrenia, schizoaffective, and/or major depressive disorder with psychotic features (defined by MINI-5 at screening).
- Increased risk of suicide that necessitates inpatient treatment or warrants therapy excluded by the protocol, and/or current suicidal plan, per investigator clinical judgement, based on interview and defined on the Columbia Suicidality Severity Rating Scale (C-SSRS).
- Treatment with trauma-focused therapy for PTSD (e.g. Cognitive Processing Therapy, Prolonged Exposure, or EMDR) within two weeks of baseline study visit. Note: Supportive psychotherapy in process for PTSD at time of Screening may be continued.
- Current diagnosis of severe non-alcohol substance use disorder (except for caffeine and nicotine) during the preceding 1 month, based on participant screening interview.
- Use of opioids within 2 weeks of baseline or opioid use disorder in the previous 90 days.
- History of severe traumatic brain injury (TBI) per Ohio State University TBI Identification Method. Note: history of mild or moderate TBI is allowed.
- Any clinically significant, uncontrolled, or medical/surgical condition that would contraindicate use of SL-BUP + XR-NTX, or limit ability to complete study assessments, including seizures (other than childhood febrile seizures), severe renal insufficiency, significant arrhythmia or heart block, heart failure, or myocardial infarction within the past 2 years, severe thrombocytopenia or hemophilia, severe hepatic failure, complete hearing loss, and/or need for surgery that might interfere with ability to participate.
- Clinically significant laboratory abnormalities, including a thyroid stimulating hormone (TSH) >1.5 times upper limit of normal, hyperthyroidism, and aspartate aminotransferase and/or alanine aminotransferase > 3 times upper limit of normal; cardiovascular findings QTcF >500 msec on electrocardiogram (ECG) or blood pressure >190/110.
- History of allergic reaction, bronchospasm or hypersensitivity to a naltrexone or buprenorphine.
- Unable or unwilling to refrain from medications thought to influence alcohol consumption (see inclusion criteria above.)
- Unable or unwilling to refrain from psychotropic medications (see inclusion criteria above); with the exception of stable doses of antidepressants, prazosin, and non-benzodiazepine hypnotics and non-benzodiazepine anxiolytics to treat PTSD or insomnia.
- Persons who are imprisoned, of minor age, diagnosed with dementia, diagnosed with a terminal illness, or otherwise require a surrogate to provide informed consent.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: 2mg Buprenex and 380mg Vivitrol
2mg Buprenex and 380mg Vivitrol Buprenex (buprenorphine) 2mg sublingual (SL) (taken every day for 12 weeks) , with Vivitrol (naltrexone) 380mg intramuscular injection (IM) (given every 4 weeks) |
Daily 2mg SL BUP (84 pills total, taken sublingual every day for 12 weeks) and Q4wks (given intramuscular, 3 injections total: at baseline, week4 and week8 ) IM NLTRX
Other Names:
|
Placebo Comparator: Placebo
Placebo (SL pill qd, IM injection q4weeks) Placebo pill (taken sublingual every day for 12 weeks) and IM placebo (given intramuscular injection, every 4 weeks at baseline, week4 and week8) |
Daily SL placebo (84 pills total, taken sublingual every day for 12 weeks) and Q4wks (given intramuscular, 3 injections total: at baseline, week4 and week8) IM Placebo
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Number of Participants With a Reduction in Alcohol Use Disorder (AUD), With TLFB Tool
Time Frame: Baseline and 8 weeks
|
Timeline Follow Back (TLFB) is a calendar-based method of assessing drinking patterns used to document the frequency and amount of daily alcohol consumption and to categorize the World Health Organization Risk Levels of Alcohol Use.
An AUD reduction is defined as a WHO risk reduction of at least one category from baseline to week 8.
The are 4 different WHO Risk Levels based on the grams of alcohol consumed per day: Very High Risk, High Risk, Medium Risk, and Low Risk (including abstinence).
|
Baseline and 8 weeks
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Number of Participants With a Reduction in CAPS-5 Total Symptom Severity Score (TSSS) of 10 or More Points
Time Frame: Baseline and 8 weeks
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The Clinician-Administered PTSD Scale for DSM-5 (CAPS-5) is a 30-item structured interview to assess PTSD diagnosis and symptom severity.
The CAPS-5 produces a PTSD Total Symptom Severity Score (TSSS) that ranges from 0 to 80, with a higher score indication worse PTSD symptoms.
For this study, a reduction in PTSD symptoms is defined as a 10 or more point decrease in the CAPS-5 Total Symptom Severity Score (TSSS) from baseline to week 8.
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Baseline and 8 weeks
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Composite Outcome Measure for a Reduction in Both Alcohol Use Disorder (AUD) and Post-Traumatic Stress Disorder (PTSD) Symptoms
Time Frame: Baseline and 8 Weeks
|
AUD is measured by the Timeline Follow Back (TLFB).
This instrument documents the amount of daily alcohol consumption (in grams) and categorizes the World Health Organization Risk Levels of Alcohol Use.
The are 4 different WHO Risk Levels: Very High Risk, High Risk, Medium Risk, and Low Risk (including abstinence).
An AUD reduction is defined as a WHO risk reduction of at least one category from baseline to week 8. PTSD symptom is measured by the Clinician-Administered PTSD Scale for DSM-5 (CAPS-5).
This 30-item interview assesses PTSD diagnosis and symptom severity.
The CAPS-5 Total Symptom Severity Score (TSSS) ranges from 0 to 80, with higher scores indicating worse symptoms.
A reduction in PTSD symptom is defined as a 10+ point decrease in the TSSS from baseline to week 8.
A positive response for the composite primary outcome measure is defined as at least a 1-category risk reduction on the WHO s and at least a 10-point decrease in TSSS from baseline to Week 8.
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Baseline and 8 Weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Psychophysiological test: Galvanic Skin response
Time Frame: 8 weeks
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Galvanic Skin response (skin conductance using electrodes, measured in kHz)
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8 weeks
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Psychophysiological response test: Acoustic Startle
Time Frame: 8 weeks
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Acoustic startle: measured by amplitude of muscle contraction when startled
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8 weeks
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Psychophysilogical testing: Fear conditioning
Time Frame: 8 weeks
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Fear conditioning: comparison of startle magnitudes
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8 weeks
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Collaborators and Investigators
Investigators
- Principal Investigator: Lori Davis, Associate Chief of Staff, Research & Development Service VA Medical Center
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Mental Disorders
- Chemically-Induced Disorders
- Alcohol-Related Disorders
- Substance-Related Disorders
- Trauma and Stressor Related Disorders
- Alcoholism
- Stress Disorders, Traumatic
- Stress Disorders, Post-Traumatic
- Physiological Effects of Drugs
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Analgesics
- Sensory System Agents
- Analgesics, Opioid
- Narcotics
- Narcotic Antagonists
- Alcohol Deterrents
- Buprenorphine
- Naltrexone
Other Study ID Numbers
- AS140026-A5
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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