{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=24",
    "query": {
      "intervention": "opiates",
      "page": 24
    },
    "page_size": 10
  },
  "pagination": {
    "page": 24,
    "page_size": 10,
    "total_count": 1428,
    "total_pages": 143,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=25&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=opiates&page=23&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-01T19:37:18.957Z",
  "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": "NCT00622596",
      "title": "Prospective Cohort of Opiate Dependent Patients on Buprenorphine/Naloxone for Maintenance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opiate Dependence"
      ],
      "interventions": [
        {
          "name": "Mobile Access",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 200,
      "start_date": "2003-10",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2016-08-24",
      "last_synced_at": "2026-11-01T19:37:18.957Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00622596"
    },
    {
      "nct_id": "NCT00000232",
      "title": "Alternate Day Buprenorphine Administration, Phase IX - 14",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "51 Years",
        "sex": "ALL",
        "summary": "22 Years to 51 Years"
      },
      "enrollment_count": 0,
      "start_date": "1992-03",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-05-06",
      "last_synced_at": "2026-11-01T19:37:18.957Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000232"
    },
    {
      "nct_id": "NCT02818036",
      "title": "An fMRI Study of Opioid-related Changes in Neural Activity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Social Acceptance"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tristen Inagaki",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 82,
      "start_date": "2016-08",
      "completion_date": "2018-06-21",
      "has_results": true,
      "last_update_posted_date": "2019-07-23",
      "last_synced_at": "2026-11-01T19:37:18.957Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02818036"
    },
    {
      "nct_id": "NCT00608504",
      "title": "Effects of Environmental Factors on Opiate Drug Choice in Opioid Dependent Individuals.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heroin Dependence",
        "Opioid-Related Disorders"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wayne State 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": 16,
      "start_date": "2007-07",
      "completion_date": "2009-04",
      "has_results": false,
      "last_update_posted_date": "2012-06-05",
      "last_synced_at": "2026-11-01T19:37:18.957Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00608504"
    },
    {
      "nct_id": "NCT04212364",
      "title": "An Evaluation of a Social Network Intervention for Primary and Secondary Prevention of Opioid Overdoses",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overdose"
      ],
      "interventions": [
        {
          "name": "Peer Education",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Narcan Nasal Product",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Johns Hopkins Bloomberg School of Public Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 614,
      "start_date": "2019-03-15",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-24",
      "last_synced_at": "2026-11-01T19:37:18.957Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04212364"
    },
    {
      "nct_id": "NCT07064564",
      "title": "iSTEP-N 101b: Pharmacokinetics and Safety Study of Low- and High-Dose Naltrexone Implants vs Monthly Vivitrol in Healthy Volunteers",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Naltrexone implant, 14.4 grams",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone implant, 9.6 grams",
          "type": "DRUG"
        },
        {
          "name": "Extended-release naltrexone injection, 380 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Akyso Therapeutics, LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 33,
      "start_date": "2026-07-25",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-11-01T19:37:18.957Z",
      "location_count": 1,
      "location_summary": "Millcreek, Utah",
      "locations": [
        {
          "city": "Millcreek",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07064564"
    },
    {
      "nct_id": "NCT04342130",
      "title": "Brain Effects of Opiate Agonist and Antagonist",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Chronic Low-back Pain"
      ],
      "interventions": [
        {
          "name": "Morphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2018-04-27",
      "completion_date": "2019-04-16",
      "has_results": true,
      "last_update_posted_date": "2021-05-07",
      "last_synced_at": "2026-11-01T19:37:18.957Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04342130"
    },
    {
      "nct_id": "NCT05579249",
      "title": "A Research Study Comparing Wegovy to Other Weight Management Drugs in People Living With Obesity in America",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Semaglutide",
          "type": "DRUG"
        },
        {
          "name": "Orlistat",
          "type": "DRUG"
        },
        {
          "name": "Phentermine/Topiramate",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone/Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Liraglutide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novo Nordisk A/S",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2023-01-19",
      "completion_date": "2024-11-27",
      "has_results": true,
      "last_update_posted_date": "2026-01-14",
      "last_synced_at": "2026-11-01T19:37:18.957Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05579249"
    },
    {
      "nct_id": "NCT03525509",
      "title": "Epidural Methadone in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pain, Acute"
      ],
      "interventions": [
        {
          "name": "Methadone hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Morphine Sulfate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "simon.haroutounian",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2018-06-04",
      "completion_date": "2019-08-30",
      "has_results": false,
      "last_update_posted_date": "2019-09-18",
      "last_synced_at": "2026-11-01T19:37:18.957Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03525509"
    },
    {
      "nct_id": "NCT00999544",
      "title": "Aprepitant Effects on Oxycodone Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Narcotic Abuse"
      ],
      "interventions": [
        {
          "name": "Aprepitant 0mg",
          "type": "DRUG"
        },
        {
          "name": "Aprepitant 40mg",
          "type": "DRUG"
        },
        {
          "name": "Aprepitant 200mg",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone 0mg, p.o.",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone 20mg, p.o.",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone 40mg, p.o.",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone 0mg, IN",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone 15mg, IN",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone 30mg, IN",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sharon Walsh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 9,
      "start_date": "2009-10",
      "completion_date": "2011-04",
      "has_results": true,
      "last_update_posted_date": "2017-09-01",
      "last_synced_at": "2026-11-01T19:37:18.957Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00999544"
    }
  ]
}