{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=XR-BUP",
    "query": {
      "intervention": "XR-BUP"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=XR-BUP&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T18:06:36.489Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT03911466",
      "title": "Medication Treatment for Opioid Use Disorder in Expectant Mothers: Conceptual Model Assessments Sub-study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid-Related Disorders",
        "Drug Addiction",
        "Pregnancy Related",
        "Substance Abuse",
        "Drug Abuse",
        "Neonatal Abstinence Syndrome",
        "Neonatal Opioid Withdrawal Syndrome",
        "Drug Abuse in Pregnancy"
      ],
      "interventions": [
        {
          "name": "Buprenorphine Injection",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine Sublingual Product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "T. John Winhusen, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "41 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 41 Years · Female only"
      },
      "enrollment_count": 97,
      "start_date": "2020-07-21",
      "completion_date": "2024-11-06",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-09-06T18:06:36.489Z",
      "location_count": 12,
      "location_summary": "Jacksonville, Florida • Boston, Massachusetts • Albuquerque, New Mexico + 8 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03911466"
    },
    {
      "nct_id": "NCT04464980",
      "title": "Optimizing Retention, Duration and Discontinuation Strategies for Opioid Use Disorder Pharmacotherapy (RDD)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid Use Disorder (OUD)"
      ],
      "interventions": [
        {
          "name": "SL-BUP",
          "type": "DRUG"
        },
        {
          "name": "XR-BUP",
          "type": "DRUG"
        },
        {
          "name": "XR-NTX",
          "type": "DRUG"
        },
        {
          "name": "MM",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MMR",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MMD",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1516,
      "start_date": "2021-06-08",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-06T18:06:36.489Z",
      "location_count": 21,
      "location_summary": "Little Rock, Arkansas • Tarzana, California • Bridgeport, Connecticut + 17 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Tarzana",
          "state": "California"
        },
        {
          "city": "Bridgeport",
          "state": "Connecticut"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04464980"
    },
    {
      "nct_id": "NCT03911739",
      "title": "Medication Treatment for Opioid Use Disorder in Expectant Mothers: Infant Neurodevelopmental Outcomes Sub-study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid-Related Disorders",
        "Drug Addiction",
        "Pregnancy Related",
        "Substance Abuse",
        "Drug Abuse",
        "Neonatal Abstinence Syndrome",
        "Neonatal Opiate Withdrawal Syndrome",
        "Drug Abuse in Pregnancy"
      ],
      "interventions": [
        {
          "name": "Buprenorphine Injection",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine Sublingual Product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "T. John Winhusen, PhD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 71,
      "start_date": "2021-06-14",
      "completion_date": "2024-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-09-06T18:06:36.489Z",
      "location_count": 10,
      "location_summary": "Jacksonville, Florida • Boston, Massachusetts • Portland, Oregon + 6 more",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03911739"
    },
    {
      "nct_id": "NCT06441604",
      "title": "Extended-release Buprenorphine as a Novel Low-dose Induction Strategy",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Extended-release Buprenorphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2025-10-27",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-09",
      "last_synced_at": "2026-09-06T18:06:36.489Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06441604"
    },
    {
      "nct_id": "NCT04345718",
      "title": "EXHIT ENTRE Comparative Effectiveness Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Substance Use Disorder",
        "Opioid Use Disorder, Moderate",
        "Opioid Use Disorder, Severe"
      ],
      "interventions": [
        {
          "name": "Extended Release Buprenorphine",
          "type": "DRUG"
        },
        {
          "name": "Treatment as Usual",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gavin Bart",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 344,
      "start_date": "2021-08-09",
      "completion_date": "2025-08-27",
      "has_results": false,
      "last_update_posted_date": "2025-12-09",
      "last_synced_at": "2026-09-06T18:06:36.489Z",
      "location_count": 6,
      "location_summary": "New Haven, Connecticut • Baltimore, Maryland • Boston, Massachusetts + 2 more",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04345718"
    },
    {
      "nct_id": "NCT06023459",
      "title": "Extended-release Buprenorphine Compared to Sublingual Buprenorphine in Rural Settings (RXR)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Opioid-Related Disorders",
        "Substance-Related Disorders",
        "Narcotic-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Injectable extended-release buprenorphine",
          "type": "DRUG"
        },
        {
          "name": "Sublingual buprenorphine-naloxone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yih-Ing Hser",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 140,
      "start_date": "2024-10-14",
      "completion_date": "2026-01-14",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-09-06T18:06:36.489Z",
      "location_count": 7,
      "location_summary": "El Dorado, Arkansas • Garberville, California • Gibson City, Illinois + 4 more",
      "locations": [
        {
          "city": "El Dorado",
          "state": "Arkansas"
        },
        {
          "city": "Garberville",
          "state": "California"
        },
        {
          "city": "Gibson City",
          "state": "Illinois"
        },
        {
          "city": "Belfast",
          "state": "Maine"
        },
        {
          "city": "Scappoose",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06023459"
    },
    {
      "nct_id": "NCT04225598",
      "title": "Emergency Department-Initiated Buprenorphine Validation Network Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "CAM2038",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine Sublingual Product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2020-07-08",
      "completion_date": "2024-12-06",
      "has_results": false,
      "last_update_posted_date": "2025-01-10",
      "last_synced_at": "2026-09-06T18:06:36.489Z",
      "location_count": 35,
      "location_summary": "Oakland, California • San Leandro, California • New Haven, Connecticut + 25 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Leandro",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04225598"
    },
    {
      "nct_id": "NCT02294253",
      "title": "Buprenorphine/Naloxone Stabilization and Induction Onto Injection Naltrexone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Opioid Dependence"
      ],
      "interventions": [
        {
          "name": "Buprenorphine/naloxone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 30,
      "start_date": "2014-09",
      "completion_date": "2017-12",
      "has_results": true,
      "last_update_posted_date": "2020-03-11",
      "last_synced_at": "2026-09-06T18:06:36.489Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02294253"
    },
    {
      "nct_id": "NCT03544112",
      "title": "Emergency Department Connection to Care With Buprenorphine for Opioid Use Disorder",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "Employ a multifaceted approach to facilitate clinical protocol implementation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Initiate BUP (SL-BUP or XR-BUP) in the ED",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 390,
      "start_date": "2018-06-11",
      "completion_date": "2019-05-29",
      "has_results": false,
      "last_update_posted_date": "2019-08-30",
      "last_synced_at": "2026-09-06T18:06:36.489Z",
      "location_count": 4,
      "location_summary": "Claremont, New Hampshire • Manchester, New Hampshire • New York, New York",
      "locations": [
        {
          "city": "Claremont",
          "state": "New Hampshire"
        },
        {
          "city": "Manchester",
          "state": "New Hampshire"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03544112"
    },
    {
      "nct_id": "NCT05262270",
      "title": "Extended-Release Naltrexone and Monthly Extended-Release Buprenorphine for Cocaine Use Disorder (CURB-2)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cocaine Use Disorder"
      ],
      "interventions": [
        {
          "name": "Extended-Release Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Extended Release Buprenorphine",
          "type": "DRUG"
        },
        {
          "name": "Placebo (PLB) Injectable matched to XR-NTX",
          "type": "DRUG"
        },
        {
          "name": "Placebo (PLB) Injectable matched to XR-BUP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 427,
      "start_date": "2023-04-18",
      "completion_date": "2025-07-21",
      "has_results": false,
      "last_update_posted_date": "2025-10-21",
      "last_synced_at": "2026-09-06T18:06:36.489Z",
      "location_count": 12,
      "location_summary": "Birmingham, Alabama • Little Rock, Arkansas • Los Angeles, California + 8 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05262270"
    }
  ]
}