Ketamine for Reduction of Alcoholic Relapse
KARE
A Phase II, Randomised, Double-blind, Placebo- Controlled, Multi-site, Parallel Group Clinical Trial to Examine Ketamine as a Pharmacological Treatment for Alcohol Dependence in an Alcohol Dependent Population
1 other identifier
interventional
96
1 country
2
Brief Summary
96 recently detoxified alcoholics will be randomized to receive either 3 sessions ketamine (0.8 mg/kg IV over 45 minutes) or placebo plus manualised psychological therapy, or 3 sessions of ketamine or placebo plus simple psychoeducation. Patients will be assessed at 3 and 6 months on a range of psychological and biological variables. Primary endpoints will be % days abstinent at 6 months and relapse rates at 6 months. Secondary endpoints include depressive symptoms, craving, quality of life.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_2
Started Oct 2016
Typical duration for phase_2
2 active sites
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
January 5, 2016
CompletedFirst Posted
Study publicly available on registry
January 7, 2016
CompletedStudy Start
First participant enrolled
October 1, 2016
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2020
CompletedStudy Completion
Last participant's last visit for all outcomes
February 1, 2020
CompletedResults Posted
Study results publicly available
September 9, 2021
CompletedOctober 5, 2021
September 1, 2021
3.3 years
January 5, 2016
August 5, 2021
September 9, 2021
Conditions
Outcome Measures
Primary Outcomes (2)
Relapse Rates
Time line follow back
6 months
Percentage Days Abstinent
Time line follow back
6 months
Study Arms (4)
Ketamine+Psychological Therapy
EXPERIMENTALKetamine with psychological therapy
Ketamine+Education
ACTIVE COMPARATORketamine with alcohol education
Placebo+Psychological Therapy
ACTIVE COMPARATORplacebo with psychological therapy
Placebo+Education
PLACEBO COMPARATORplacebo with simple alcohol education
Interventions
Manualised relapse prevention based CBT
Simple education about alcohol effects
Eligibility Criteria
You may qualify if:
- Meet either a) DSM-5 criteria for severe alcohol use disorder and b) DSM-IV criteria for alcohol dependence within the last 12 months;
- Currently abstinent from alcohol (breathalyser BAC level 0.00) and negative urine drug screening (participants testing positive for THC who do not have a history or current cannabis dependency may be included);
- Minimum of mild depression(\>14 on Beck Depression Inventory-II);
- Capacity to give informed consent as defined by GCP guidelines;
- Willing and able to wear SCRAM-X bracelet for 6 months;
- Females of childbearing potential and males must be willing to use an effective method of contraception (hormonal or barrier method of birth control; True abstinence) from the time consent is signed until 6 weeks after treatment discontinuation and inform the trial if pregnancy occurs. For the purpose of clarity, True abstinence is when this is in line with the preferred and usual lifestyle of the subject. Periodic abstinence (e.g., calendar, ovulation, symptothermal, post-ovulation methods), declaration of abstinence, withdrawal, spermicides only or lactational amenorrhoea method for the duration of a trial, are not acceptable methods of contraception;
- Females of childbearing potential must have a negative pregnancy test within 7 days prior to being registered for trial treatment and on day of first treatment.
You may not qualify if:
- Currently taking any other relapse prevention medication or anti-depressants;
- Uncontrolled hypertension, systolic 140mm Hg or greater and diastolic 90mm Hg or greater;
- \<16 or \> 35 BMI
- History of psychosis, or in a first-degree relative as identified by DSM-5 or DSM-IV SCID; co-morbid current psychiatric diagnosis excluding depression, identified via self-reported or identified by a medical professional;
- Previous or current diagnosis of substance dependence / severe substance misuse disorder;
- History of neuropsychological difficulties
- One or more previous confirmed seizures;
- Currently taking daily prescribed medication contraindicated in the SPC with ketamine:
- Barbiturates and/or narcotics
- Atracurium and tubocurarine
- Central nervous system (CNS) depressants (e.g. phenothiazines, sedating H1 - blockers or skeletal muscle relaxants)
- Anxiolytics, sedatives and hypnotics
- Thiopental, thyroid hormones
- Antihypertensive agents
- Theophylline and methylxanthines.
- +22 more criteria
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (2)
NIHR Exeter Clinical Research Facility
Exeter, EX4 5DW, United Kingdom
NIHR UCLH Clinical Research Facility
London, NW1 2BU, United Kingdom
Related Publications (3)
Grabski M, McAndrew A, Lawn W, Marsh B, Raymen L, Stevens T, Hardy L, Warren F, Bloomfield M, Borissova A, Maschauer E, Broomby R, Price R, Coathup R, Gilhooly D, Palmer E, Gordon-Williams R, Hill R, Harris J, Mollaahmetoglu OM, Curran HV, Brandner B, Lingford-Hughes A, Morgan CJA. Adjunctive Ketamine With Relapse Prevention-Based Psychological Therapy in the Treatment of Alcohol Use Disorder. Am J Psychiatry. 2022 Feb;179(2):152-162. doi: 10.1176/appi.ajp.2021.21030277. Epub 2022 Jan 11.
PMID: 35012326DERIVEDGrabski M, Borissova A, Marsh B, Morgan CJA, Curran HV. Ketamine as a mental health treatment: Are acute psychoactive effects associated with outcomes? A systematic review. Behav Brain Res. 2020 Aug 17;392:112629. doi: 10.1016/j.bbr.2020.112629. Epub 2020 May 30.
PMID: 32485203DERIVEDMcAndrew A, Lawn W, Stevens T, Porffy L, Brandner B, Morgan CJ. A proof-of-concept investigation into ketamine as a pharmacological treatment for alcohol dependence: study protocol for a randomised controlled trial. Trials. 2017 Apr 4;18(1):159. doi: 10.1186/s13063-017-1895-6.
PMID: 28372596DERIVED
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Professor Celia Morgan
- Organization
- University of Exeter
Study Officials
- PRINCIPAL INVESTIGATOR
Celia Morgan, Ph.D.
UCL
Publication Agreements
- PI is Sponsor Employee
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
January 5, 2016
First Posted
January 7, 2016
Study Start
October 1, 2016
Primary Completion
February 1, 2020
Study Completion
February 1, 2020
Last Updated
October 5, 2021
Results First Posted
September 9, 2021
Record last verified: 2021-09