{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=OPIOID&page=31",
    "query": {
      "intervention": "OPIOID",
      "page": 31
    },
    "page_size": 10
  },
  "pagination": {
    "page": 31,
    "page_size": 10,
    "total_count": 2683,
    "total_pages": 269,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=OPIOID&page=32&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=OPIOID&page=30&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T03:32:36.918Z",
  "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": "NCT00214955",
      "title": "Study to Evaluate the Efficacy and Safety of ORAVESCENT Fentanyl Citrate for the Management of Breakthrough Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Neuropathic Pain"
      ],
      "interventions": [
        {
          "name": "ORAVESCENT Fentanyl Citrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cephalon",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 120,
      "start_date": "2005-09",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-05-09",
      "last_synced_at": "2026-10-27T03:32:36.918Z",
      "location_count": 17,
      "location_summary": "Jonesboro, Arkansas • Bakersfield, California • San Diego, California + 13 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00214955"
    },
    {
      "nct_id": "NCT04308655",
      "title": "Obstetric Pain Management for Women With Opioid Use Disorder (QUEST)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "Interview",
          "type": "OTHER"
        },
        {
          "name": "Surveys",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 33,
      "start_date": "2020-03-06",
      "completion_date": "2022-03-31",
      "has_results": false,
      "last_update_posted_date": "2022-04-07",
      "last_synced_at": "2026-10-27T03:32:36.918Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04308655"
    },
    {
      "nct_id": "NCT03833804",
      "title": "Data-driven Identification for Substance Misuse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Use",
        "Substance Abuse",
        "Substance-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Processing of clinical notes in the EHR data collected during routine care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 64996,
      "start_date": "2022-09-19",
      "completion_date": "2024-09-19",
      "has_results": true,
      "last_update_posted_date": "2025-10-24",
      "last_synced_at": "2026-10-27T03:32:36.918Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03833804"
    },
    {
      "nct_id": "NCT04414917",
      "title": "Reducing Opioid Use and Misuse After Wisdom Molar Extractions",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Twin block",
          "type": "DRUG"
        },
        {
          "name": "iPill dispenser",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 133,
      "start_date": "2026-11",
      "completion_date": "2030-04",
      "has_results": false,
      "last_update_posted_date": "2026-06-22",
      "last_synced_at": "2026-10-27T03:32:36.918Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04414917"
    },
    {
      "nct_id": "NCT03437967",
      "title": "Effect of LASER Photobiomodulation Therapy on Chronic Pain and Opioid Weaning",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "LightForce EXPi",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "LiteCure LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2018-08-01",
      "completion_date": "2019-06-01",
      "has_results": false,
      "last_update_posted_date": "2019-08-26",
      "last_synced_at": "2026-10-27T03:32:36.918Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03437967"
    },
    {
      "nct_id": "NCT02363777",
      "title": "Paravertebral Catheters for Pancreatic Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "Epidural",
          "type": "PROCEDURE"
        },
        {
          "name": "Paravertebral catheters",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 50,
      "start_date": "2012-08",
      "completion_date": "2016-06",
      "has_results": false,
      "last_update_posted_date": "2017-08-31",
      "last_synced_at": "2026-10-27T03:32:36.918Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02363777"
    },
    {
      "nct_id": "NCT02935465",
      "title": "Effects of Behavioral Interventions on Mechanisms of Pain Regulation and Hedonic Regulation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic, Non-neuropathic Back Pain"
      ],
      "interventions": [
        {
          "name": "Mindfulness-Oriented Recovery Enhancement (MORE)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Support Group",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "21 Years to 60 Years"
      },
      "enrollment_count": 17,
      "start_date": "2016-09",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2020-03-06",
      "last_synced_at": "2026-10-27T03:32:36.918Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02935465"
    },
    {
      "nct_id": "NCT02665429",
      "title": "A Quality Improvement Project to Investigate Individual Provider Variation in Opioid Prescribing From the Emergency Department",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Analgesics, Opioid",
        "Delivery of Health Care",
        "Drug Prescribing",
        "Over Prescribing",
        "Prescribing Patterns, Physician",
        "Practice Management, Medical",
        "Practice Guidelines as Topic"
      ],
      "interventions": [
        {
          "name": "Individual prescribing data profile and self-assessment",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Massachusetts, Worcester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 109,
      "start_date": "2016-02-01",
      "completion_date": "2017-03-01",
      "has_results": false,
      "last_update_posted_date": "2017-06-27",
      "last_synced_at": "2026-10-27T03:32:36.918Z",
      "location_count": 3,
      "location_summary": "Clinton, Massachusetts • Marlborough, Massachusetts • Worcester, Massachusetts",
      "locations": [
        {
          "city": "Clinton",
          "state": "Massachusetts"
        },
        {
          "city": "Marlborough",
          "state": "Massachusetts"
        },
        {
          "city": "Worcester",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02665429"
    },
    {
      "nct_id": "NCT07354919",
      "title": "Axelopran for Advanced Cancer in Patients Receiving Opioids",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Lung Cancer",
        "Pancreas Cancer",
        "Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "axelopran",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "HealthPartners Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2026-04-27",
      "completion_date": "2028-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-10-27T03:32:36.918Z",
      "location_count": 2,
      "location_summary": "Saint Louis Park, Minnesota • Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Louis Park",
          "state": "Minnesota"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07354919"
    },
    {
      "nct_id": "NCT04191031",
      "title": "Study to Evaluate Iovera®° in Adult Patients Undergoing Total Knee Arthroplasty",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Operative Pain Management"
      ],
      "interventions": [
        {
          "name": "ioveraº",
          "type": "DEVICE"
        },
        {
          "name": "ioveraº sham",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Pacira Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2020-09-30",
      "completion_date": "2022-07-12",
      "has_results": false,
      "last_update_posted_date": "2023-01-25",
      "last_synced_at": "2026-10-27T03:32:36.918Z",
      "location_count": 7,
      "location_summary": "Fremont, California • Pasadena, California • Tamarac, Florida + 4 more",
      "locations": [
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Tamarac",
          "state": "Florida"
        },
        {
          "city": "Towson",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04191031"
    }
  ]
}