{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=21",
    "query": {
      "intervention": "opiates",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 1428,
    "total_pages": 143,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-01T18:28:01.890Z",
  "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": "NCT01324570",
      "title": "Safety, Pharmacokinetics (PK), and Efficacy of Buprenorphine Transdermal System (BTDS) in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Buprenorphine transdermal system",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Purdue Pharma LP",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "7 Years to 16 Years"
      },
      "enrollment_count": 41,
      "start_date": "2011-07",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2017-07-06",
      "last_synced_at": "2026-11-01T18:28:01.890Z",
      "location_count": 22,
      "location_summary": "Long Beach, California • Los Angeles, California • Aurora, Colorado + 18 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01324570"
    },
    {
      "nct_id": "NCT03224039",
      "title": "Intranasal Sufentanil Versus Intravenous Morphine for the Management of Acute Pain",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "Sufentanil",
          "type": "DRUG"
        },
        {
          "name": "Normal saline",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Brooklyn Hospital Center",
      "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": "2017-01-01",
      "completion_date": "2019-01-01",
      "has_results": false,
      "last_update_posted_date": "2017-07-21",
      "last_synced_at": "2026-11-01T18:28:01.890Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03224039"
    },
    {
      "nct_id": "NCT02032433",
      "title": "Extended-Release Naltrexone vs. Buprenorphine for Opioid Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Extended-Release Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine-Naloxone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "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": 570,
      "start_date": "2014-01-29",
      "completion_date": "2017-01-31",
      "has_results": true,
      "last_update_posted_date": "2020-08-13",
      "last_synced_at": "2026-11-01T18:28:01.890Z",
      "location_count": 8,
      "location_summary": "Tarzana, California • Jacksonville, Florida • Rockville, Maryland + 5 more",
      "locations": [
        {
          "city": "Tarzana",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "Fall River",
          "state": "Massachusetts"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02032433"
    },
    {
      "nct_id": "NCT06962306",
      "title": "Optimizing Perioperative Analgesia to Lower Pain Following Cleft Palate Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cleft Palate",
        "Pain",
        "Postoperative Care",
        "Perioperative Care",
        "Children"
      ],
      "interventions": [
        {
          "name": "Methadone hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl/Hydromorphone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "4 Years",
        "sex": "ALL",
        "summary": "6 Months to 4 Years"
      },
      "enrollment_count": 60,
      "start_date": "2025-06-04",
      "completion_date": "2027-07-04",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-11-01T18:28:01.890Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06962306"
    },
    {
      "nct_id": "NCT00127686",
      "title": "Effect of Honey and Dextromethorphan on Nocturnal Cough and Sleep",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Cough",
        "Respiratory Tract Infections"
      ],
      "interventions": [
        {
          "name": "Dextromethorphan",
          "type": "DRUG"
        },
        {
          "name": "Buckwheat Honey",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Penn State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 105,
      "start_date": "2005-09",
      "completion_date": "2006-12",
      "has_results": false,
      "last_update_posted_date": "2017-11-24",
      "last_synced_at": "2026-11-01T18:28:01.890Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00127686"
    },
    {
      "nct_id": "NCT00994942",
      "title": "Bioequivalency Study of Morphine Sulfate Injection, Solution and Tablet Under Fasted Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "morphine sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Roxane Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 18,
      "start_date": "2006-04",
      "completion_date": "2006-04",
      "has_results": false,
      "last_update_posted_date": "2018-01-23",
      "last_synced_at": "2026-11-01T18:28:01.890Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00994942"
    },
    {
      "nct_id": "NCT06772753",
      "title": "Investigation of Psychedelic Effects in Psychoactive Substances",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Psychedelic Effects in Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Psilocybin",
          "type": "DRUG"
        },
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Dextromethorphan (DXM)",
          "type": "DRUG"
        },
        {
          "name": "Dimethyltryptamine (DMT)",
          "type": "DRUG"
        },
        {
          "name": "Methylenedioxymethamphetamine (MDMA)",
          "type": "DRUG"
        },
        {
          "name": "Tetrahydrocannabinol (THC)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "25 Years to 55 Years"
      },
      "enrollment_count": 50,
      "start_date": "2025-02-05",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-02-23",
      "last_synced_at": "2026-11-01T18:28:01.890Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06772753"
    },
    {
      "nct_id": "NCT00226395",
      "title": "Efficacy and Safety of Oxymorphone Immediate Release in Post-surgical Acute Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "Oxymorphone immediate release",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Endo USA Inc., a Keenova Therapeutics Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 320,
      "start_date": "2004-09",
      "completion_date": "2005-08",
      "has_results": false,
      "last_update_posted_date": "2024-01-02",
      "last_synced_at": "2026-11-01T18:28:01.890Z",
      "location_count": 21,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Phoenix, Arizona + 10 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00226395"
    },
    {
      "nct_id": "NCT00580294",
      "title": "A Pilot Study of Switching From One Pain Medication to Another (Opioid Rotation)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Oxymorphone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 12,
      "start_date": "2007-11",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2016-02-03",
      "last_synced_at": "2026-11-01T18:28:01.890Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00580294"
    },
    {
      "nct_id": "NCT01908842",
      "title": "Efficacy of BNX Sublingual Tablets Versus BNX Sublingual Film for Treatment of Opioid-Dependent Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Opioid Dependence, on Agonist Therapy"
      ],
      "interventions": [
        {
          "name": "BNX sublingual tablets",
          "type": "DRUG"
        },
        {
          "name": "BNX sublingual film",
          "type": "DRUG"
        },
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Orexo AB",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 759,
      "start_date": "2013-08",
      "completion_date": "2014-04",
      "has_results": true,
      "last_update_posted_date": "2017-05-10",
      "last_synced_at": "2026-11-01T18:28:01.890Z",
      "location_count": 36,
      "location_summary": "Baldwin County, Alabama • Houston County, Alabama • Maricopa, Arizona + 33 more",
      "locations": [
        {
          "city": "Baldwin County",
          "state": "Alabama"
        },
        {
          "city": "Houston County",
          "state": "Alabama"
        },
        {
          "city": "Maricopa",
          "state": "Arizona"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Los Angeles County",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01908842"
    }
  ]
}