[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100588627":3},{"organization":4,"outcomesModule":7,"designInfo":62,"detailedDescription":65,"studyPopulation":65,"armGroups":74,"interventions":87,"overallOfficials":95,"centralContacts":99,"locations":108,"responsibleParty":129,"collaborators":65,"id":132,"slug":133,"hasResults":134,"nctId":135,"briefTitle":136,"officialTitle":137,"acronym":65,"eligibilityCriteria":138,"healthyVolunteers":134,"sex":139,"minAge":140,"maxAge":141,"enrollmentInfo":142,"targetDuration":65,"studyType":145,"phases":146,"briefSummary":148,"conditions":149,"keywords":151,"overallStatus":111,"whyStopped":65,"lastUpdateSubmitDate":157,"lastUpdatePostDateStruct":158,"startDateStruct":161,"completionDateStruct":163,"leadSponsor":165,"locationsCount":166},{"fullName":5,"class":6},"University of Maryland, Baltimore","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":50},[9],{"measure":10,"description":11,"timeFrame":12},"Tonic craving (FORCAST) total scores","Faceted Opioid Research Craving Assessment for Substance use Treatment (FORCAST): A 26-item assessment of tonic craving that the person reports having felt over the prior one or two weeks. Participants indicate how much they disagree or agree with each statement on a scale that ranges from 0-6, with 0 representing \"strongly disagree\", 3 representing \"neither agree nor disagree\", and 6 representing \"strongly agree\". Higher scores indicate higher levels of craving. The minimum score is 0, and the maximum scores for each of the subscales are as follows:\n\nPreoccupation: 24 Negative Reinforcement: 30 Positive Reinforcement: 24 Motivation: 30 Lack of control: 24 Uneasiness: 24\n\nMaximum total score for all subscales = 156","Collected at 7 days pre- and post-ketamine, 30-, and 90-days post-final ketamine session",[14,18,22,26,30,34,38,42,46],{"measure":15,"description":16,"timeFrame":17},"Severity of depression symptoms","Montgomery-Asberg Depression Rating Scale (MADRS): a 10-item questionnaire of depression severity. The total score ranges from 0-60, with scores of 0-6 considered normal (non-depressed), 7-19 indicative of mild depression, 20-34 indicative of moderate depression, and 35-60 indicative of severe depression. Item 10 on the instrument will be used to monitor any changes in suicidal ideation throughout the trial.","Completed at 7 days pre- and post-ketamine, 30-, and 90-days post final ketamine session",{"measure":19,"description":20,"timeFrame":21},"Cue-induced craving scores","Cue Reactivity Paradigm: our drug cue reactivity paradigm will be designed to elicit an acute craving state. We will present a series of opioid cue images continuously (total time \\\u003C5 min) via computer or tablet. Cues will be personalized based on each individual's drug use history as derived from baseline clinical assessments. For example, if a participant had no history of intravenous drug injection, we will not present opioid cue images containing injection paraphernalia like needles and instead will present images with opioid pills and\u002For powder. At the end of each one-minute session, participants will be asked to rate, on a scale of 1-10, \"How much did you like the images you saw?\", \"How much do you want to use right now?\", \"How much do you want to avoid using right now?\", \"How much control do you feel you have over using right now\" and \"What is the maximum amount you would pay right now for a single dose of what you saw?\"","Collected at 7 days pre- and post-ketamine, 7 days pre- and post ketamine, ketamine administration days, 30-, and 90-days post-final ketamine session",{"measure":23,"description":24,"timeFrame":25},"Chronic pain ratings","Graded Chronic Pain Scale (GCPS): a six-item instrument that evaluates chronic pain severity (intensity and impact on life activities).","Collected at 7 days pre- and post-ketamine, ketamine administration days, 30-, and 90-days post-final ketamine session",{"measure":27,"description":28,"timeFrame":29},"Number of methadone doses received at 90 days post final ketamine session","Study team will have access to clinic records to assess the number of methadone doses patients have received at 90 days post final ketamine session","Collected through 90 days post final ketamine session",{"measure":31,"description":32,"timeFrame":33},"Sleep quality ratings","Pittsburgh Sleep Quality Index (PSQI): A 19-item questionnaire assessing past-month sleep quality and disturbances. Seven component scores are generated: subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbances, use of sleeping medication, and daytime dysfunction. The sum of scores for the 7 components yields one global score","PSQI collected at 7 days pre- and post-ketamine, 30-, and 90 days post-final ketamine session",{"measure":35,"description":36,"timeFrame":37},"Insomnia Symptoms","Insomnia Severity Index (ISI): A five-item measure of current (past two weeks, or since last study visit) insomnia symptoms.","Collected at 7 days pre- and post-ketamine, ketamine administration days, 30-, 90-days post-final ketamine session",{"measure":39,"description":40,"timeFrame":41},"Sleep quality ratings on a Visual Analogue Scale (VAS)","Modified Single Item Sleep Quality Scale (SQS): A self-administered questionnaire that incorporates a VAS delivered electronically. SQS directs the patient to rate the overall quality of sleep over a 7-day period (modified for our study to rate the overall quality of sleep the past night) on a scale of 1-10 considering how many hours of sleep they had, how easily they fell asleep, how often they woke up during the night (excluding bathroom trips), how often they woke up earlier than intended","SQS collected via daily optional EMAs through 7 days post final ketamine session, then every other day until 90 days post final ketamine session",{"measure":43,"description":44,"timeFrame":45},"Scores on a holistic measure of recovery","Substance Use Recovery Evaluator (SURE): A 21-item patient reported outcome measure of recovery from substance use disorder that has good face and content validity, acceptability and usability for people in recovery and is psychometrically valid.","Collected at 7 days pre- and post-ketamine, 30-, and 90 days post-final ketamine session",{"measure":47,"description":48,"timeFrame":49},"Frequency of negative urine drug screens through 90 days post final ketamine session","Study team will have access to clinic drug screenings through 90 days post-intake","collected through 90 days post final ketamine session",[51,55,58],{"measure":52,"description":53,"timeFrame":54},"Decision making test performance (risk and ambiguity tolerance)","Choice under risk and ambiguity (CRA) decision making task: On each trial, participants choose between a guaranteed $1 and a lottery. Each lottery has 2 possible outcomes: v or $0, where v ranges from $1.20 to $13.20. On half of the trials, v could be received with 1 of 3 known probabilities (p: 25%, 50%, or 75%); on the other half, the probability information is occluded and thus incompletely known (the ambiguity context). There are 3 levels of ambiguity: low (24% unknown), medium (50% unknown), and high (74% unknown). In reality, the true underlying probability in ambiguity trials is fixed at 50%. Different combinations of v, risk level, and ambiguity level are presented for 30 trials total.\n\nA modified utility model will be used which can extract the following parameters from participant decisions on these trials:\n\n* risk tolerance\n* ambiguity tolerance\n* choice stochasticity","collected weekly through 90 days post final ketamine session via optional EMAs",{"measure":56,"description":57,"timeFrame":49},"Methadone dose (mg) at 90 days post final ketamine session","Study team will have access to clinic records of methadone dose (mg) received by participant at 90 days post final ketamine session",{"measure":59,"description":60,"timeFrame":61},"OUD treatment outcomes at 6-, 9-, and 12 months post study enrollment","Study team will have access to clinic records of methadone dose, number of methadone doses received, and frequency of negative drug screens though 12 months post study enrollment","collected through 6-, 9-, and 12 months post study enrollment",{"allocation":63,"interventionModel":64,"interventionModelDescription":65,"primaryPurpose":66,"observationalModel":65,"timePerspective":65,"maskingInfo":67},"RANDOMIZED","PARALLEL",null,"TREATMENT",{"masking":68,"maskingDescription":65,"whoMasked":69},"QUADRUPLE",[70,71,72,73],"PARTICIPANT","CARE_PROVIDER","INVESTIGATOR","OUTCOMES_ASSESSOR",[75,81],{"label":76,"type":77,"description":78,"interventionNames":79},"Treatment with Ketamine","EXPERIMENTAL","Individuals will receive four doses spaced 1-6 days apart of 0.75mg\u002Fkg of intramuscular ketamine (n=25) over a period of two weeks.",[80],"Drug: Treatment with Ketamine",{"label":82,"type":83,"description":84,"interventionNames":85},"Treatment with Very Low Dose Ketamine","ACTIVE_COMPARATOR","Individuals will receive four doses spaced 1-6 days apart of an intramuscular ketamine (0.1mg\u002Fkg) (n=25) over a period of two weeks.",[86],"Drug: Treatment with Very Low Dose Ketamine",[88,92],{"type":89,"name":76,"description":90,"armGroupLabels":91,"otherNames":65},"DRUG","Participants will receive four doses of ketamine spaced 1-6 days apart of 0.75 mg\u002Fkg intramuscular ketamine (n=25) for two weeks (first ketamine session must occur no later than 28 days post-intake). Individuals will be monitored for two hours post-dose by a clinician.",[76],{"type":89,"name":82,"description":93,"armGroupLabels":94,"otherNames":65},"Participants will receive four doses of very low dose ketamine (0.1mg.kg) (n=25) spaced 1-6 days apart for two weeks (first ketamine session must occur no later than 28 days post-intake). Individuals will be monitored for two hours post-dose by a clinician.",[82],[96],{"name":97,"affiliation":5,"role":98},"Peter Manza, PhD","PRINCIPAL_INVESTIGATOR",[100,104],{"name":97,"role":101,"phone":102,"phoneExt":65,"email":103},"CONTACT","410-706-2814","peter.manza@som.umaryland.edu",{"name":105,"role":101,"phone":106,"phoneExt":65,"email":107},"Kynah Walston, MA","443-974-7951","Kynah.Walston@som.umaryland.edu",[109],{"facility":110,"status":111,"city":112,"state":113,"zip":114,"country":115,"countryCode":116,"cosmosGeoPoint":117,"geoPoint":122,"contacts":123},"University of Maryland Addiction Programs and Affiliated Clinics","RECRUITING","Baltimore","Maryland","21201","United States","US",{"type":118,"coordinates":119},"Point",[120,121],-76.61219,39.29038,{"lat":121,"lon":120},[124],{"name":125,"role":101,"phone":126,"phoneExt":127,"email":128},"Annabelle Belcher, PhD","443-462-3400","78525","abelcher@som.umaryland.edu",{"type":98,"investigatorFullName":130,"investigatorTitle":131,"investigatorAffiliation":5,"oldNameTitle":65,"oldOrganization":65},"Peter Manza","Assistant Professor","100588627","phase-2-ketamine-for-opioid-use-disorder-100588627",false,"NCT06943859","Ketamine for Opioid Use Disorder","Ketamine for the Treatment of Opioid Use Disorder","Inclusion Criteria\n\n1. Age 18 to 65 years old\n2. Fulfillment of DSM-5\u002FICD-10 criteria for moderate-to-severe opioid use disorder\n3. Acceptance into methadone treatment for opioid use disorder at the time of screening.\n4. Adherence to lifestyle requirements for participation.\n5. Self-reported craving greater than or equal to 20 out of 100 for opioids at any point in the past week at time of screening\n6. Positive UDS for opioids or self-reported illicit opioid use in the past three months at time of screening\n\nExclusion Criteria\n\n1. Pregnant and\u002For breastfeeding.\n2. \\*\\*Stage 2 Hypertension, defined by a systolic blood pressure (SBP) \\> 140 mmHg or a diastolic blood pressure (DBP) \\> 90 mmHg.\n3. Abnormal oxygen saturation or abnormal heart rate (i.e. O2 saturation \\\u003C95%, or HR \\\u003C60 or \\>100bpm\n4. Clinically significant abnormal findings for which study participation is deemed unsafe.\n5. Severe mental illness or psychiatric disorder for which study participation is deemed unsafe (except for depression, PTSD, and substance use disorder).\n6. \\*\\*ALT\u002FAST \\> 3 x Upper Limit of Normal (ULN), ALP 2 x ULN, or total bilirubin \\> 1.5 x ULN.\n7. History of hypersensitivity to ketamine.\n8. Suicidal ideation with a plan or intent or suicidal behaviors as reflected in Columbia-Suicide Severity Rating Scale (C-SSRS).\n9. Recent homicidal ideation or violent behaviors.\n10. Concomitant daily use of medications with significant CYP2B6 and CYP3A4 inhibition or induction effects that can interfere with metabolism of ketamine.\n11. Advanced cardiopulmonary disorders, including stroke, cardiac arrest, and myocardial infarction in the past year\n12. History of aneurysmal vascular disease or dissection (including thoracic and abdominal aorta, intracranial, and peripheral arterial vessels) or arteriovenous malformation.\n13. \\*\\*Clinically significant EKG abnormalities.\n14. Current significant use (\\>3 days\u002Fweek) of barbiturates, sedative hypnotics, benzodiazepines, ketamine, or PCP (prescribed or illicit).\n\n    * NOTE: Due to time constraints in the study design, these exclusion criteria do not need to be met before the initial consent to participate. This criterion only needs to be established prior to the first ketamine session. This will allow us to enroll participants as soon as possible, giving more time and flexibility to complete the baseline assessments before the first ketamine session. Individuals that are initially enrolled and subsequently do not qualify due to severe hepatic impairment will be considered screen failures and withdrawn from the protocol. Because repeated ketamine administration is associated with hepatobiliary dysfunction (most often a cholestatic pattern) we will also obtain a follow up LFT within 30 days of the final ketamine session.","ALL","18 Years","65 Years",{"count":143,"type":144},50,"ESTIMATED","INTERVENTIONAL",[147],"PHASE2","The goal of this clinical trial is to learn if ketamine works to reduce craving for opioids in adults enrolled in methadone treatment for opioid use disorder. The main questions it aims to answer are:\n\n* Does ketamine reduce craving for opioids in patients with opioid use disorder?\n* Does ketamine reduce symptoms of opioid withdrawal such as depression, pain, and poor sleep quality?\n* Do patients who take the low dose ketamine stay in methadone treatment longer, and\u002For have better treatment outcomes than those given the very low dose?\n\nResearchers will compare two low doses of ketamine to see if ketamine works to reduce craving for opioids in adults enrolled in methadone treatment for opioid use disorder.\n\nParticipants will:\n\n* Be given a low dose or a very low dose of ketamine 4 times over a period of 2 weeks\n* Visit with the study team one week prior to the first ketamine session, one week following the last ketamine session, at 30 days following the final ketamine session, and 90 days following the final ketamine session for checkups and tests",[150],"Opioid Use Disorder",[152,153,154,155,156],"opioid use disorder","ketamine","craving","treatment adherence","methadone","2026-08-26",{"date":159,"type":160},"2026-08-31","ACTUAL",{"date":162,"type":160},"2026-02-04",{"date":164,"type":144},"2029-08-31",{"name":5,"class":6},1]