{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Opioid+use",
    "query": {
      "intervention": "Opioid use"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1343,
    "total_pages": 135,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Opioid+use&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T00:37:22.726Z",
  "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": "NCT03976258",
      "title": "Effect of Heroin Use on Immune Activation and Cardiovascular Risk in HIV",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV Infection",
        "Opioid-use Disorder",
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "buprenorphine/naloxone",
          "type": "DRUG"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone Injection",
          "type": "DRUG"
        },
        {
          "name": "Heroin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MetroHealth Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 190,
      "start_date": "2017-07-14",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-10-02",
      "last_synced_at": "2026-09-03T00:37:22.726Z",
      "location_count": 2,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03976258"
    },
    {
      "nct_id": "NCT01583985",
      "title": "Strategies for Prescribing Analgesics Comparative Effectiveness Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Back Pain",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Opioid-intensive prescribing strategy",
          "type": "OTHER"
        },
        {
          "name": "Opioid-avoidant prescribing strategy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 265,
      "start_date": "2013-06-01",
      "completion_date": "2017-05-31",
      "has_results": true,
      "last_update_posted_date": "2019-03-06",
      "last_synced_at": "2026-09-03T00:37:22.726Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01583985"
    },
    {
      "nct_id": "NCT04448015",
      "title": "Perinatal Care and Medication Assisted Treatment: Carbon/Emery Counties",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid-use Disorder",
        "Pregnancy Related"
      ],
      "interventions": [
        {
          "name": "Perinatal Opioid Use Disorder Education and Enhanced Perinatal Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2019-02-01",
      "completion_date": "2020-09-29",
      "has_results": false,
      "last_update_posted_date": "2020-11-10",
      "last_synced_at": "2026-09-03T00:37:22.726Z",
      "location_count": 1,
      "location_summary": "Price, Utah",
      "locations": [
        {
          "city": "Price",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04448015"
    },
    {
      "nct_id": "NCT06652880",
      "title": "Digital Support Intervention for Pregnant People with Opioid Use Disorders",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Digital Intervention",
        "Bibliotherapy"
      ],
      "interventions": [
        {
          "name": "Digital technology",
          "type": "DEVICE"
        },
        {
          "name": "Bibliotherapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 32,
      "start_date": "2024-06-04",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-02-17",
      "last_synced_at": "2026-09-03T00:37:22.726Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06652880"
    },
    {
      "nct_id": "NCT03461120",
      "title": "Improving Postamputation Functioning by Decreasing Phantom Pain With Perioperative Continuous Peripheral Nerve Blocks: A Department of Defense Funded Multicenter Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Lower Extremity Surgical Amputation",
        "Post-amputation Phantom Limb Pain"
      ],
      "interventions": [
        {
          "name": "Experimental continuous peripheral nerve blocks",
          "type": "DRUG"
        },
        {
          "name": "Control continuous peripheral nerve blocks",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 203,
      "start_date": "2018-03-23",
      "completion_date": "2026-11-18",
      "has_results": false,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-09-03T00:37:22.726Z",
      "location_count": 8,
      "location_summary": "San Diego, California • Boston, Massachusetts • Cleveland, Ohio + 1 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03461120"
    },
    {
      "nct_id": "NCT04439396",
      "title": "Toradol (Ketorolac) in Breast Surgery to Reduce Pain & Opioid Use",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Breast Reduction",
        "Breast Reconstruction"
      ],
      "interventions": [
        {
          "name": "Ketorolac Tromethamine",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Carilion Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 64 Years · Female only"
      },
      "enrollment_count": 183,
      "start_date": "2020-06-22",
      "completion_date": "2023-01-30",
      "has_results": false,
      "last_update_posted_date": "2023-02-10",
      "last_synced_at": "2026-09-03T00:37:22.726Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04439396"
    },
    {
      "nct_id": "NCT05159362",
      "title": "Usability Testing for the Reward-based Technology to Improve OUD Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid-use Disorder",
        "Contingency Management",
        "Medication for Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "Software Application",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Q2i, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2020-07-01",
      "completion_date": "2021-03-01",
      "has_results": true,
      "last_update_posted_date": "2023-05-30",
      "last_synced_at": "2026-09-03T00:37:22.726Z",
      "location_count": 1,
      "location_summary": "Worcester, Massachusetts",
      "locations": [
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05159362"
    },
    {
      "nct_id": "NCT04024397",
      "title": "A Study to Evaluate Unintended Prolonged Opioid Use",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid Use"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1796,
      "start_date": "2019-10-01",
      "completion_date": "2023-12-29",
      "has_results": false,
      "last_update_posted_date": "2024-03-27",
      "last_synced_at": "2026-09-03T00:37:22.726Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04024397"
    },
    {
      "nct_id": "NCT01870882",
      "title": "Attention Training for Opioid-maintained Cocaine Users",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Addiction",
        "Cocaine",
        "Methadone",
        "Opiates"
      ],
      "interventions": [
        {
          "name": "Attentional retraining",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Control condition",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 8,
      "start_date": "2013-06",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2020-04-02",
      "last_synced_at": "2026-09-03T00:37:22.726Z",
      "location_count": 1,
      "location_summary": "West Haven, Connecticut",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01870882"
    },
    {
      "nct_id": "NCT03962491",
      "title": "Mobile-Based Contingency Management to Promote Daily Self-monitoring in Primary Care Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Chronic"
      ],
      "interventions": [
        {
          "name": "Daily Self-Monitoring Surveys + Contingency Management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Daily Self-Monitoring Surveys",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 81,
      "start_date": "2020-01-24",
      "completion_date": "2021-04-14",
      "has_results": true,
      "last_update_posted_date": "2022-12-07",
      "last_synced_at": "2026-09-03T00:37:22.726Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03962491"
    }
  ]
}