{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=39",
    "query": {
      "intervention": "opiates",
      "page": 39
    },
    "page_size": 10
  },
  "pagination": {
    "page": 39,
    "page_size": 10,
    "total_count": 1429,
    "total_pages": 143,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=40&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=38&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-04T18:01:00.926Z",
  "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": "NCT00935311",
      "title": "Hydrocodone/Acetaminophen for Acute Pain Following Third Molar Tooth Extraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "ABT-712 Extended-release",
          "type": "DRUG"
        },
        {
          "name": "Hydrocodone/Acetaminophen Immediate-release",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie (prior sponsor, Abbott)",
      "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": 122,
      "start_date": "2009-06",
      "completion_date": "2009-08",
      "has_results": true,
      "last_update_posted_date": "2014-04-08",
      "last_synced_at": "2026-11-04T18:01:00.926Z",
      "location_count": 3,
      "location_summary": "Austin, Texas • San Marcos, Texas • Salt Lake City, Utah",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "San Marcos",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00935311"
    },
    {
      "nct_id": "NCT02089295",
      "title": "Dose Proportionality Study Of PF-00345439 Formulation Under Fed Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Oxycodone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pain Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 18,
      "start_date": "2014-04",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2016-04-04",
      "last_synced_at": "2026-11-04T18:01:00.926Z",
      "location_count": 2,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02089295"
    },
    {
      "nct_id": "NCT02391571",
      "title": "A Study to Evaluate Withdrawal Effects Following Dosing of Oxycodone/Naltrexone in Methadone-Maintained Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Withdrawal Symptoms"
      ],
      "interventions": [
        {
          "name": "Oxycodone/Naltrexone Capsules",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Elite Laboratories, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 26,
      "start_date": "2015-02",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2016-08-10",
      "last_synced_at": "2026-11-04T18:01:00.926Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02391571"
    },
    {
      "nct_id": "NCT00312195",
      "title": "Safety and Efficacy of Buprenorphine Transdermal System (BTDS) in Subjects With Chronic Nonmalignant Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Non-malignant Pain"
      ],
      "interventions": [
        {
          "name": "Buprenorphine transdermal patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo to match BTDS",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Purdue Pharma LP",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 267,
      "start_date": "2001-03",
      "completion_date": "2001-07",
      "has_results": true,
      "last_update_posted_date": "2012-09-10",
      "last_synced_at": "2026-11-04T18:01:00.926Z",
      "location_count": 21,
      "location_summary": "Phoenix, Arizona • Trumbull, Connecticut • Clearwater, Florida + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Trumbull",
          "state": "Connecticut"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Coral Gables",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00312195"
    },
    {
      "nct_id": "NCT04605081",
      "title": "Pharmacological and Behavioral Treatments After Bariatric Surgery: Maintenance Treatment (Stage 2a)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Loss-of-Control Eating",
        "Obesity/Overweight"
      ],
      "interventions": [
        {
          "name": "Naltrexone and Bupropion (NB) medication",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 24,
      "start_date": "2022-06-10",
      "completion_date": "2026-06-04",
      "has_results": true,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-11-04T18:01:00.926Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04605081"
    },
    {
      "nct_id": "NCT03933865",
      "title": "Acute Pain Management in Patients on Opioid Replacement Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid-use Disorder",
        "Pain, Acute"
      ],
      "interventions": [
        {
          "name": "HYDROmorphone Injectable Solution",
          "type": "DRUG"
        },
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 1,
      "start_date": "2018-10-31",
      "completion_date": "2022-02-24",
      "has_results": false,
      "last_update_posted_date": "2022-10-10",
      "last_synced_at": "2026-11-04T18:01:00.926Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03933865"
    },
    {
      "nct_id": "NCT00000450",
      "title": "Naltrexone Maintenance Treatment of Alcoholism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "Naltrexone Tablet",
          "type": "DRUG"
        },
        {
          "name": "Matched Placebo Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Scripps Research Institute",
      "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": 159,
      "start_date": "1997-04-10",
      "completion_date": "2002-02-13",
      "has_results": false,
      "last_update_posted_date": "2017-04-20",
      "last_synced_at": "2026-11-04T18:01:00.926Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000450"
    },
    {
      "nct_id": "NCT05019638",
      "title": "Local Multimodal Injection Versus Regional Anesthesia in Controlling Pain for Treating Rotational Ankle Fractures",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Ankle Fractures"
      ],
      "interventions": [
        {
          "name": "Regional anesthesia group",
          "type": "DRUG"
        },
        {
          "name": "Local multimodal analgesia group",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "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": 200,
      "start_date": "2021-03-15",
      "completion_date": "2028-05",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-11-04T18:01:00.926Z",
      "location_count": 2,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05019638"
    },
    {
      "nct_id": "NCT00125515",
      "title": "Memantine and Naltrexone Treatment for Opioid Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid Dependence"
      ],
      "interventions": [
        {
          "name": "Memantine",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 81,
      "start_date": "2005-06",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2018-06-18",
      "last_synced_at": "2026-11-04T18:01:00.926Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00125515"
    },
    {
      "nct_id": "NCT00006489",
      "title": "Treatment for Alcoholism and Post-Traumatic Stress Disorder (Naltrexone)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alcoholism",
        "Alcohol Dependence",
        "Post-Traumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "Cognitive-Behavioral Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 165,
      "start_date": "2000-12",
      "completion_date": "2011-02",
      "has_results": true,
      "last_update_posted_date": "2017-04-21",
      "last_synced_at": "2026-11-04T18:01:00.926Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00006489"
    }
  ]
}