{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=56",
    "query": {
      "intervention": "opiates",
      "page": 56
    },
    "page_size": 10
  },
  "pagination": {
    "page": 56,
    "page_size": 10,
    "total_count": 1430,
    "total_pages": 143,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=57&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=55&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-07T13:00:39.275Z",
  "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": "NCT01598506",
      "title": "Intrathecal Hydromorphone for Labor Analgesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Labor Pain"
      ],
      "interventions": [
        {
          "name": "Hydromorphone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 22,
      "start_date": "2013-09",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2018-01-12",
      "last_synced_at": "2026-11-07T13:00:39.275Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01598506"
    },
    {
      "nct_id": "NCT06340932",
      "title": "Impact of Opioid Avoidance Protocol for ACL Reconstruction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ACL Tear",
        "Post Operative Pain"
      ],
      "interventions": [
        {
          "name": "Iovera",
          "type": "DEVICE"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Tramadol",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen 500Mg Cap",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Matthew Varacallo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "15 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2024-04-27",
      "completion_date": "2025-02-01",
      "has_results": false,
      "last_update_posted_date": "2025-03-07",
      "last_synced_at": "2026-11-07T13:00:39.275Z",
      "location_count": 1,
      "location_summary": "DuBois, Pennsylvania",
      "locations": [
        {
          "city": "DuBois",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06340932"
    },
    {
      "nct_id": "NCT01810185",
      "title": "Low Dose Naltrexone in Symptomatic Inflammatory Bowel Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Inflammatory Bowel Disease",
        "Crohn's Disease",
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Low dose naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Santa Barbara Cottage Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2013-03",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-11-20",
      "last_synced_at": "2026-11-07T13:00:39.275Z",
      "location_count": 1,
      "location_summary": "Santa Barbara, California",
      "locations": [
        {
          "city": "Santa Barbara",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01810185"
    },
    {
      "nct_id": "NCT03482479",
      "title": "Low Dose Naltrexone to Improve Physical Health in Patients With Vasculitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Eosinophilic Granulomatosis With Polyangiitis (EGPA)",
        "Churg-Strauss Syndrome (CSS)",
        "Giant Cell Arteritis",
        "Granulomatosis With Polyangiitis",
        "Microscopic Polyangiitis",
        "Polyarteritis Nodosa",
        "Takayasu Arteritis"
      ],
      "interventions": [
        {
          "name": "Naltrexone Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo Comparator",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2019-02-04",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-11-07T13:00:39.275Z",
      "location_count": 6,
      "location_summary": "Boston, Massachusetts • Rochester, Minnesota • Cleveland, Ohio + 3 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03482479"
    },
    {
      "nct_id": "NCT04752384",
      "title": "Transdermal Buprenorphine for the Treatment of Radiation-Induced Mucositis Pain in Head and Neck Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Head and Neck Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        },
        {
          "name": "Tramadol",
          "type": "DRUG"
        },
        {
          "name": "Oral Mucositis (OM) Pain App",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Medical College of Wisconsin",
      "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": 20,
      "start_date": "2021-07-08",
      "completion_date": "2024-04-04",
      "has_results": true,
      "last_update_posted_date": "2025-04-20",
      "last_synced_at": "2026-11-07T13:00:39.275Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04752384"
    },
    {
      "nct_id": "NCT00000235",
      "title": "Alternate Day Buprenorphine Administration, Phase XII - 17",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": null,
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2005-08-17",
      "last_synced_at": "2026-11-07T13:00:39.275Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000235"
    },
    {
      "nct_id": "NCT00782548",
      "title": "Comparative Study to Evaluate KADIAN and Avinza in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "KADIAN (morphine sulfate sustained-release) capsules",
          "type": "DRUG"
        },
        {
          "name": "Avinza (morphine sulfate sustained-release) capsules",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Actavis Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "19 Years to 40 Years"
      },
      "enrollment_count": 40,
      "start_date": "2004-05",
      "completion_date": "2004-06",
      "has_results": false,
      "last_update_posted_date": "2020-07-16",
      "last_synced_at": "2026-11-07T13:00:39.275Z",
      "location_count": 1,
      "location_summary": "Lincoln, Nebraska",
      "locations": [
        {
          "city": "Lincoln",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00782548"
    },
    {
      "nct_id": "NCT00917384",
      "title": "Study of IMC-1121B (Ramucirumab) With Best Supportive Care in Participants With Gastric Cancer and Adenocarcinoma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gastric Cancer",
        "Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "ramucirumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Best Supportive Care (BSC)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Eli Lilly and Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 355,
      "start_date": "2009-08",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2019-09-25",
      "last_synced_at": "2026-11-07T13:00:39.275Z",
      "location_count": 14,
      "location_summary": "Bakersfield, California • La Jolla, California • Redlands, California + 11 more",
      "locations": [
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Redlands",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00917384"
    },
    {
      "nct_id": "NCT04495868",
      "title": "Bacteriostatic Normal Saline Versus Lidocaine for Intradermal Anesthesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Bacteriostatic Normal Saline",
          "type": "DRUG"
        },
        {
          "name": "1% Lidocaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2021-01-08",
      "completion_date": "2022-04-06",
      "has_results": true,
      "last_update_posted_date": "2023-04-18",
      "last_synced_at": "2026-11-07T13:00:39.275Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04495868"
    },
    {
      "nct_id": "NCT01220414",
      "title": "Attenuation of Pain in Men and Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Naltrexone, then placebo",
          "type": "DRUG"
        },
        {
          "name": "Placebo, then Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 60,
      "start_date": "2010-09",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2018-02-19",
      "last_synced_at": "2026-11-07T13:00:39.275Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01220414"
    }
  ]
}