Opioid Use Disorder Clinical Trial
— OPTIMAOfficial title:
Optimizing Patient Centered-Care: A Pragmatic Randomized Control Trial Comparing Models of Care in the Management of Prescription Opioid Misuse (OPTIMA Trial)
Verified date | June 2021 |
Source | Canadian Research Initiative in Substance Misuse |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This trial evaluates two standard of care treatments for opioid addiction: methadone and buprenorphine/naloxone. In order to improve patient care, the study will address real-world treatment conditions, including strict regulations for methadone dosing (i.e. initially dispensed daily at the pharmacy until stabilisation) vs. flexible take-home dosing for buprenorphine/naloxone. The OPTIMA study is designed with the intention to support patient-provider decision-making and evaluate health related outcomes with the overall aim of improving treatment outcomes through enhancing patient-centered approaches in clinical care.
Status | Completed |
Enrollment | 272 |
Est. completion date | December 31, 2020 |
Est. primary completion date | March 31, 2020 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years to 64 Years |
Eligibility | Inclusion Criteria: 1. Be aged between 18 and 64 years of age inclusively; 2. Prescription opioid use disorder (as defined by the Diagnostic and Statistical Manual of Mental Disorders-5 criteria), which requires opioid agonist therapy as per the discretion of the physician; 3. Female participants may be eligible if: 1. Is of non-childbearing potential, defined as (i) post-menopausal (12 months of spontaneous amenorrhea and =45 years of age); or (ii) documented surgically sterilized (i.e., tubal ligation, hysterectomy, or bilateral oophorectomy). 2. Is of childbearing potential, has a negative pregnancy test at screening and and agrees to use an acceptable method of birth control throughout study; 4. Be willing to be randomized to 24 weeks of either methadone or buprenorphine/naloxone adapted model of care, and to be followed for the duration of the trial; 5. Be able to provide written informed consent; 6. Be willing to comply with study procedures; 7. Be able to communicate in English or French. Exclusion Criteria: 1. Any disabling medical condition as assessed by medical history, physical exam, vital signs and/or laboratory assessments that, in the opinion of the study physician, precludes the safe participation in the study or the ability to provide fully informed consent; 2. Any disabling, unstable or acute mental condition that in the opinion of the study physician precludes safe participation in the study or ability to provide fully informed consent; 3. Heroin reported as the most frequently used opioid in the past 30 days; 4. Taken methadone or buprenorphine/naloxone for Opioid Use Disorder maintenance treatment in the four weeks prior to screening; 5. Pain of sufficient severity as to require ongoing pain management with opioids; 6. History of a severe adverse event, hypersensitivity reaction, or allergic reaction to either methadone or buprenorphine/naloxone; 7. Pregnant, nursing, or planning to become pregnant during the study period; 8. Currently taking or have taken an investigational drug in another study in the last 30 days, confirmed via self-report; 9. Pending legal action or other reasons in the opinion of the study physician that might prevent completion of the study; 10. Presence of a substance use disorder that, in the opinion of the study physician, precludes safe participation in the study (e.g. unstable or severe alcohol use disorder, unstable or severe benzodiazepine use disorder); 11. Current treatment with medications that may interact with either methadone or buprenorphine/naloxone (e.g. Clonazepam, Benzodiazepines) OR anticipation that the patient may need to initiate such treatment during the trial that is deemed unsafe by the study physician or could prevent study completion; |
Country | Name | City | State |
---|---|---|---|
Canada | Calgary Opioid Dependency Program | Calgary | Alberta |
Canada | Edmonton Opioid Dependency Program | Edmonton | Alberta |
Canada | Centre de Recherche du CHUM | Montréal | Quebec |
Canada | Centre de Recherche et d'Aide pour Narcomane | Montréal | Quebec |
Canada | Ontario Addiction Treatment Centres- Sudbury Clinic | Sudbury | Ontario |
Canada | Addiction Medicine Service- Centre for Addictions and Mental Health | Toronto | Ontario |
Canada | Rapid Access Addictions Clinic-St. Paul's Hospital | Vancouver | British Columbia |
Lead Sponsor | Collaborator |
---|---|
Didier Jutras Aswad | Canadian Institutes of Health Research (CIHR) |
Canada,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Quality of life | Quality of Life (QoL) will be evaluated via the EQ5-D self-report questionnaires administered at Treatment Initiation and every 4 weeks. | 24 weeks | |
Other | Pain | Pain will be assessed via Brief Pain Inventory self-report questionnaire at Screening to determine eligibility, Treatment Initiation and every 4 weeks for the 24 week intervention period. | 24 weeks | |
Other | Proportion of Participants who Initiate Taper | The proportion of patients who initiate taper will be assessed by using a standardized induction case report form completed via both pharmacy abstraction and self-report. The pharmacy record abstraction will collect information on opioid agonist treatment use and on the days between follow up visits, as well as information on end or switching of opioid agonist treatments, missing doses and reason any change in medication status or dose change. The participant will also be asked about his/her use of opioid agonist treatments in the past 2 weeks or since the last study visit collecting information similar to that information collected in the pharmacy abstraction. | 24 weeks | |
Other | Cost-effectiveness | Information on health service utilization will be collected at baseline and every 4 weeks for the 24-week intervention period. Items were selected from modules selected from the European Addiction Severity Index which collect self-report data on income, medical/medication status, healthcare provider visits, and criminal activity. This information will either be collected on paper source or entered by the participant directly into the Electronic Data Capture (EDC) system. | 24 weeks | |
Primary | Opioid Use | Opioid use will be measured by the overall proportion of opioid-free urine drug screens (UDS) during the 24 weeks of the trial (excluding the assigned metabolites of opioid agonist treatments, as appropriate), with missing values defined as positive UDS (binary, laboratory assay). | 24 weeks | |
Secondary | Retention in treatment | Retention in treatment is defined as the proportion of participants on assigned opioid agonist treatment (OAT) at the end of the study, as defined by having both a) an active prescription for the assigned OAT at week 24, and b) a positive UDS result for the assigned OAT at week 24. | 24 weeks | |
Secondary | Opioid Agonist Treatment (OAT) Medication Adherence | OAT medication adherence is defined as the proportion of assigned treatment doses received over the 24-week trial period assessed by both Pharmacy Abstraction and participant self-report. | 24 weeks | |
Secondary | Safety will be evaluated by monitoring adverse events (AEs) and serious adverse events (SAEs) | Safety will be evaluated by monitoring adverse events (AEs) and serious adverse events (SAEs) throughout the duration of the trial. Adverse events and SAEs will be collected during study visits by means of open questions (e.g., has there been any changes to your health since the last study visit?). Also, the observation of clinically significant change in lab test results, fatal or non-fatal overdoses, and precipitated withdrawal symptoms from buprenorphine/naloxone inductions will be used to document AEs and SAEs. All AEs and SAEs will be documented using an AE Log in which the date and time of onset, the end date and time (i.e., when the AE was resolved or stabilized), the severity of the event, any action taken with respect to the study medication (e.g., no treatment or dose adjustment), and the relationship with study protocol or study medication will be recorded. | 24 weeks | |
Secondary | Patient Satisfaction | Patient satisfaction to the assigned treatment will be recorded on the Client Satisfaction Questionnaire (CSQ-8) and will be administered at 4, 12, and 24 weeks (end of study). | 24 weeks | |
Secondary | Patient Engagement | Patient engagement in treatment will be measured through self-report questionnaires administered at Treatment Initiation, week 4, week 12, and week 24 visits. The primary measure of ongoing patient engagement will be administered at Treatment Initiation and every 2 weeks. | 24 weeks |
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