NCT04205682

Brief Summary

This study will explore the effectiveness and tolerability of Cannabidiol (CBD) in the treatment of alcohol withdrawal symptoms in an inpatient setting, in a double-blind randomised placebo-controlled trial.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
52

participants targeted

Target at P50-P75 for early_phase_1

Timeline
Completed

Started Jan 2020

Shorter than P25 for early_phase_1

Geographic Reach
1 country

2 active sites

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

November 5, 2019

Completed
1 month until next milestone

First Posted

Study publicly available on registry

December 19, 2019

Completed
13 days until next milestone

Study Start

First participant enrolled

January 1, 2020

Completed
1 year until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2021

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2021

Completed
Last Updated

January 9, 2020

Status Verified

January 1, 2020

Enrollment Period

1 year

First QC Date

November 5, 2019

Last Update Submit

January 6, 2020

Conditions

Outcome Measures

Primary Outcomes (1)

  • Diazepam

    Diazepam use over the 5-day withdrawal period (which due to symptom triggered regimen is a proxy measure for withdrawal severity). Measured by total diazepam use over 5 day period.

    5 day admission period

Secondary Outcomes (14)

  • Alcohol Withdrawal Severity

    5 day admission period

  • Self-reported Alcohol Withdrawal Severity

    5 day admission period (twice daily)

  • Self-reported alcohol craving

    Baseline, Day 5, and Day 12 and 33 Follow Up

  • Self-reported urges to drink

    Twice Daily, days 1-5

  • Actiwatch for sleep quality

    5 day admission period

  • +9 more secondary outcomes

Study Arms (2)

Cannabidiol (CBD)

EXPERIMENTAL

Drug: Cannabidiol (day 1: 1200 mg (800 mg BD); day 2-4: 800 mg (400 mg BD); day 5: placebo BD).

Drug: Cannabidiol

Placebo

PLACEBO COMPARATOR

Drug: Placebo (days 1-5: placebo matched BD)

Drug: Placebo

Interventions

CBD capsules administered BD for 4-days (800-1200 mg/day), placebo day 5

Cannabidiol (CBD)

Placebo capsules administered BD for 5 days

Placebo

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Aged 18-65 years;
  • At least one prior episode 2 days or longer in duration during which the participant experienced withdrawal symptoms that caused significant incapacitation (e.g. inability to work or do normal activities) OR at least one prior inpatient or outpatient medical detoxification during which the participant exhibited withdrawal symptoms of significant magnitude that sedative-hypnotic or anticonvulsant medication was required at least once on 2 consecutive days after cessation of or reduction in the use of alcohol following 2 weeks or more of heavy daily consumption;
  • Average consumption of at least 8 standard drinks per day for at least 2 weeks prior to enrolment in the study;
  • Adequate cognition and English language skills to give valid consent and complete research interviews;
  • Willingness to give written informed consent

You may not qualify if:

  • Treatment/ingestion during the previous week of benzodiazepines or other sedative-hypnotic medications or history of recent chronic treatment with sedative-hypnotic medication as evidenced by a negative urine drug screen at baseline
  • History of alcohol withdrawal related seizures
  • Substance use in the previous week, defined as \> 3 times per week (not including nicotine or caffeine), inclusive of non-prescribed pharmaceuticals (ATOP to be collected at screening)
  • Active major psychiatric disorder associated with psychosis, or significant suicide risk (e.g. Bipolar, Schizophrenia)
  • Pregnancy or lactation - Women shall be advised to use reliable contraception for the duration of drug therapy and a urine pregnancy test will be performed where necessary
  • History of confirmed seizures during adulthood, and/or current use of anti-epileptic drugs (AED)
  • Diagnosis of epilepsy, and/or current use of anti-epileptic drugs (AED)
  • Serious medical illness impacting on safety/participation, defined as an unstable medical state in the opinion of the trial medical officer
  • Low body weight (body mass index \< 17)
  • Severe cognitive impairment or insufficient English or literacy to complete study processes
  • Concurrent use of drugs potentially exacerbated by CBD via CYP3A5

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Sydney and Sydney Eye Hospital

Sydney, New South Wales, 2000, Australia

Location

Royal Prince Alfred Hospital

Sydney, New South Wales, 2050, Australia

Location

MeSH Terms

Conditions

Alcoholism

Interventions

Cannabidiol

Condition Hierarchy (Ancestors)

Alcohol-Related DisordersSubstance-Related DisordersChemically-Induced DisordersMental Disorders

Intervention Hierarchy (Ancestors)

CannabinoidsTerpenesHydrocarbonsOrganic Chemicals

Study Officials

  • Paul Haber, MBBS

    Sydney Local Health District

    PRINCIPAL INVESTIGATOR
  • Nicholas Lintzeris, MBBS

    South Eastern Sydney Local Health District

    PRINCIPAL INVESTIGATOR
  • Iain McGregor, PhD

    University of Sydney

    PRINCIPAL INVESTIGATOR
  • Kirsten Morley, PhD

    University of Sydney

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
interventional
Phase
early phase 1
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Director

Study Record Dates

First Submitted

November 5, 2019

First Posted

December 19, 2019

Study Start

January 1, 2020

Primary Completion

January 1, 2021

Study Completion

January 1, 2021

Last Updated

January 9, 2020

Record last verified: 2020-01

Locations