Opiate Substitution Treatment Clinical Trial
— EXPOOfficial title:
Extended-release Pharmacotherapy for Opioid Use Disorder (EXPO): Protocol for an Open-label Randomised Controlled Trial of Injectable Maintenance Buprenorphine With Personalised Psychosocial Intervention.
NCT number | NCT05164549 |
Other study ID # | 255522 |
Secondary ID | |
Status | Completed |
Phase | Phase 3 |
First received | |
Last updated | |
Start date | August 6, 2019 |
Est. completion date | March 1, 2023 |
Verified date | October 2021 |
Source | King's College London |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The primary objective is a clinical superiority effectiveness contrast to standard of care. Reported following SPIRIT and CONSORT standards, the study will determine whether extended-release injectable depot Buprenorphine (XR-Bup) maintenance therapy for OUD over six months is clinically superior to standard-of-care, oral medication (sublingual Buprenorphine [SL-Bup] or oral methadone [Met]; together: Bup/Met)
Status | Completed |
Enrollment | 342 |
Est. completion date | March 1, 2023 |
Est. primary completion date | April 29, 2022 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | IInclusion criteria 1. Aged = 18 years (no upper age limit); 2. Current diagnosis of DSM-5 OUD via SCID-5-RV (moderate-severe at baseline for current episode); 3. Currently enrolled on Met (30mg/day or less) or sublingual Bup or Bup-NX (24mg/day or less) or Esp (18mg/day or less) and in the view of the clinician would be able to convert to XR-Bup within 7 days post randomisation; 4. Voluntarily seeking treatment and able to attend the clinic as required in the protocol; 5. Able to communicate in English to level required to accept standard care and psychosocial intervention; 6. Possession of a contactable personal mobile phone or landline telephone number and ability to nominate at least one locator individual with a verifiable address and a telephone number to assist with the arrangement of follow-up appointments; 7. Living circumstances judged to be of sufficient stability to be able to engage/adhere to the study protocol; 8. Is not pregnant (confirmed) or breast feeding and, if currently or intending to have potentially procreative intercourse, agrees to use a birth control method (either oral hormonal contraceptives, barrier [condom or diaphragm], or Nexplanon implant) for the duration of the study. 8.2 Exclusion criteria 1. Clinically significant medical condition or observed abnormalities on physical examination or laboratory investigation, including but not limited to: 1. uncontrolled hypertension, significant heart disease (including angina and myocardial infarction in past 12 months), or any cardiovascular abnormality which is judged to be clinically significant; 2. severe alcohol dependence/withdrawal syndrome which is judged to be clinically significant and may constitute a risk to the patient's safety; 3. acute hepatitis taken as clinical jaundice on examination, or evidence of blood bilirubin level above the normal range for local reference criteria, or evidence of serum levels of aspartate aminotransferase, alanine aminotransferase levels that are more than three-times the upper limit of the normal range; 2. History of allergic or adverse reactions to Bup or the proprietary ATRIGEL delivery system for XR-Bup (Sublocade®)*; 3. Clinically significant or uncontrolled mental health problems (including but not limited to psychosis, bipolar disorder, schizoaffective disorder), or history or evidence of organic brain disease or dementia that may compromise safety or compliance with the study protocol; 4. Current (past 30 day) suicide plan or suicide attempt in past six months; 5. Current criminal justice involvement with legal proceedings, which in the opinion of a medically qualified investigator indicates a risk that the patient would fail to complete the study protocol due to re-incarceration or move away from the centre's catchment area. 6. Currently taking oral or depot naltrexone therapy or enrolment in any form of naltrexone therapy within 90 days prior to study screening; 7. Any contraindication to Bup*. - Participant is ineligible if they have any allergic or adverse reactions or contraindication to Buprenorphine. If participant has any allergic or adverse reaction or contraindication to Met or naloxone, or excipients of Bup-NX or Esp they can be prescribed Bup within the trial. |
Country | Name | City | State |
---|---|---|---|
United Kingdom | Birmingham and Solihull Mental Health NHS Foundation Trust | Birmingham | |
United Kingdom | NHS Tayside | Dundee | |
United Kingdom | South London and Maudsley NHS Foundation Trust | London | |
United Kingdom | Greater Manchester Mental Health NHS Foundation Trust | Manchester | |
United Kingdom | Cumbria, Northumberland, Tyne and Wear NHS Foundation Trust | Newcastle Upon Tyne |
Lead Sponsor | Collaborator |
---|---|
King's College London | Bangor University, Birmingham and Solihull Mental Health NHS Foundation Trust, Cumbria, Northumberland Tyne and Wear NHS Foundation Trust, Greater Manchester Mental Health NHS Foundation Trust, NHS Tayside, South London and Maudsley NHS Foundation Trust |
United Kingdom,
Marsden J, Kelleher M, Gilvarry E, Mitcheson L, Bisla J, Cape A, Cowden F, Day E, Dewhurst J, Evans R, Hardy W, Hearn A, Kelly J, Lowry N, McCusker M, Murphy C, Murray R, Myton T, Quarshie S, Vanderwaal R, Wareham A, Hughes D, Hoare Z. Superiority and cos — View Citation
Marsden J, Kelleher M, Hoare Z, Hughes D, Bisla J, Cape A, Cowden F, Day E, Dewhurst J, Evans R, Hearn A, Kelly J, Lowry N, McCusker M, Murphy C, Murray R, Myton T, Quarshie S, Scott G, Turner S, Vanderwaal R, Wareham A, Gilvarry E, Mitcheson L. Extended-release pharmacotherapy for opioid use disorder (EXPO): protocol for an open-label randomised controlled trial of the effectiveness and cost-effectiveness of injectable buprenorphine versus sublingual tablet buprenorphine and oral liquid methadone. Trials. 2022 Aug 19;23(1):697. doi: 10.1186/s13063-022-06595-0. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Count of days abstinent From illicit/non-medical opioids during weeks 2 to 24 (range: 0-161 days) | Combining self-report information from Time-Line Follow-Back interview adapted from the Treatment Outcomes Profile and incorporating data from 12 scheduled urine drug screens. | 24 weeks | |
Secondary | Clinical superiority of XR-Bup plus PSI versus Bup/Met plus PSI | Number of days abstinent from cocaine Days 8 - 168 Number of days abstinent from Benzodiazepines Days 8 - 168 Longest time in days continuously abstinent from heroin Days 8 - 168 Longest time in days continuously abstinent from cocaine Days 8 - 168 Longest time in days continuously abstinent from Benzodiazepines Days 8 - 168 | 24 weeks | |
Secondary | Cost-effectiveness of XR-BUP versus Bup and Met | Based on the incremental cost per quality-adjusted life year (QALY) gained. | 24 weeks | |
Secondary | Safety of XR-Bup | Number of safety events from study enrolment to 24 weeks | 24 weeks | |
Secondary | Time (days) enrolled in study treatment (retention) to week 24 | 24 weeks | ||
Secondary | OUD remission status (DSM5 OUD severity; SCID-5-RV) | 24 weeks | ||
Secondary | Clinician rating of severity, complexity and recovery strengths: ADAPT | 24 weeks | ||
Secondary | Clinician global impression of severity and improvement): CGI-S/I; | 24 weeks | ||
Secondary | Count of days abstinent from cocaine and illicit/non-medical benzodiazepines | During weeks 2 to 24 (range: 0-161 days); combining self-report information from Time-Line Follow-Back interview adapted from the Treatment Outcomes Profile and incorporating data from 12 scheduled urine drug screens | 24 weeks | |
Secondary | Frequency of opioid (H) and cocaine (C) craving experience: CEQ-F(H) and CEQ-F(C) | 24 weeks | ||
Secondary | Craving need and want strength for heroin and cocaine: VAS-N(H/C) and VAS-W(H/C) | 24 weeks | ||
Secondary | Difficulties in Emotion Regulation (Short Form): DERS-SF | 24 weeks | ||
Secondary | Depression symptoms: QIDS-SR | 24 weeks | ||
Secondary | Work and social adjustment: WSAS | 24 weeks | ||
Secondary | Subjective recovery and improvement: SURE | 24 weeks | ||
Secondary | Patient rating of OUD severity and improvement: | Utilising PRO-S/I; | 24 weeks | |
Secondary | Patient rating of OUD severity and improvement: | Cognitive impairment: MoCA | 24 weeks | |
Secondary | Alcohol consumption: typical quantity and frequency: (ALC-QFM) | 24 weeks | ||
Secondary | Longer Term Outcomes | Among participants enrolled in longer term XR-BUP treatment: heroin, cocaine and illicit/non-medical benzodiazepine use in past 90 days (TLFB; UDS) | Through study completion, up to 4 years | |
Secondary | Longer Term Outcomes | Among participants enrolled in longer term XR-BUP treatment: OUD and CUD remission status (SCID-5-RV) | Through study completion, up to 4 years | |
Secondary | Longer Term Outcomes | Among participants enrolled in longer term XR-BUP treatment: somatic symptoms (PHQ-15) | Through study completion, up to 4 years | |
Secondary | Longer Term Outcomes | Among participants enrolled in longer term XR-BUP treatment: emotion regulation (DERS-SF) | Through study completion, up to 4 years | |
Secondary | Longer Term Outcomes | Among participants enrolled in longer term XR-BUP treatment: depression and anxiety symptoms (PHQ-4) | Through study completion, up to 4 years | |
Secondary | Longer Term Outcomes | Among participants enrolled in longer term XR-BUP treatment: quality of life (OSTQOL) | Through study completion, up to 4 years |
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