{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=naloxone+versus+placebo",
    "query": {
      "intervention": "naloxone versus placebo"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T18:24:30.546Z",
  "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": "NCT00656630",
      "title": "Medication Development in Alcoholism: Acamprosate Versus Naltrexone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "Acamprosate",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Scripps Research Institute",
      "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": 68,
      "start_date": "2007-12",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2017-03-29",
      "last_synced_at": "2026-09-29T18:24:30.546Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00656630"
    },
    {
      "nct_id": "NCT06494904",
      "title": "Standard Versus High Dose ED-Initiated Buprenorphine Induction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "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": 360,
      "start_date": "2024-12-06",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-09-29T18:24:30.546Z",
      "location_count": 5,
      "location_summary": "Oakland, California • San Leandro, California • Portland, Maine + 2 more",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        },
        {
          "city": "San Leandro",
          "state": "California"
        },
        {
          "city": "Portland",
          "state": "Maine"
        },
        {
          "city": "Camden",
          "state": "New Jersey"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06494904"
    },
    {
      "nct_id": "NCT00419731",
      "title": "Study of Bupropion Versus Bupropion + Naltrexone for Smoking Cessation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Tobacco Use Disorder"
      ],
      "interventions": [
        {
          "name": "Bupropion",
          "type": "DRUG"
        },
        {
          "name": "Bupropion + Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2006-11",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2009-12-03",
      "last_synced_at": "2026-09-29T18:24:30.546Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00419731"
    },
    {
      "nct_id": "NCT00458419",
      "title": "Role of Endorphins in the Perception of Dyspnea in Patients With Chronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "naloxone versus placebo",
          "type": "DRUG"
        },
        {
          "name": "intravenous injection of normal saline or naloxone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dartmouth-Hitchcock Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 17,
      "start_date": "2005-09",
      "completion_date": "2007-05",
      "has_results": false,
      "last_update_posted_date": "2007-11-02",
      "last_synced_at": "2026-09-29T18:24:30.546Z",
      "location_count": 1,
      "location_summary": "Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00458419"
    },
    {
      "nct_id": "NCT00366626",
      "title": "Effectiveness of Naltrexone Versus Placebo to Reduce Craving for Alcohol With Evaluation of Genetic Variability.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alcohol Dependence"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 83,
      "start_date": "2006-04",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2017-06-05",
      "last_synced_at": "2026-09-29T18:24:30.546Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00366626"
    },
    {
      "nct_id": "NCT01262092",
      "title": "Effects of Gabapentin Versus Placebo on Buprenorphine Detoxification of Opioid-dependent Individuals",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid Dependence",
        "Opioid Withdrawal",
        "Opioid Detoxification"
      ],
      "interventions": [
        {
          "name": "Buprenorphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arkansas",
      "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": 30,
      "start_date": "2010-10",
      "completion_date": "2012-01",
      "has_results": true,
      "last_update_posted_date": "2013-06-21",
      "last_synced_at": "2026-09-29T18:24:30.546Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01262092"
    },
    {
      "nct_id": "NCT03132571",
      "title": "Naltrexone-Bupropion Versus Placebo-Bupropion for Weight Loss in Schizophrenia",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Schizophrenia",
        "Diabetes Mellitus, Type 2",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Bupropion",
          "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": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 5,
      "start_date": "2017-06-01",
      "completion_date": "2018-07-31",
      "has_results": true,
      "last_update_posted_date": "2019-08-07",
      "last_synced_at": "2026-09-29T18:24:30.546Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03132571"
    },
    {
      "nct_id": "NCT03185143",
      "title": "Low-Dose Naltrexone and Acetaminophen Combination and Sumatriptan in the Acute Treatment of Migraine With Nausea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Migraine With and Without Aura"
      ],
      "interventions": [
        {
          "name": "Naltrexone and Acetaminophen Combination",
          "type": "DRUG"
        },
        {
          "name": "Sumatriptan 100 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allodynic Therapeutics, Inc",
      "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": 36,
      "start_date": "2017-06-27",
      "completion_date": "2018-05-07",
      "has_results": false,
      "last_update_posted_date": "2021-04-14",
      "last_synced_at": "2026-09-29T18:24:30.546Z",
      "location_count": 1,
      "location_summary": "North Miami, Florida",
      "locations": [
        {
          "city": "North Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03185143"
    },
    {
      "nct_id": "NCT01760473",
      "title": "Reinforcing Effects of Intranasal (IN) Buprenorphine Versus Buprenorphine/Naloxone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heroin Dependence"
      ],
      "interventions": [
        {
          "name": "Intranasal challenge drug",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 27,
      "start_date": "2009-05",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2017-09-08",
      "last_synced_at": "2026-09-29T18:24:30.546Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01760473"
    },
    {
      "nct_id": "NCT00710385",
      "title": "Abuse Liability of Suboxone Versus Subutex",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Opioid-related Disorders"
      ],
      "interventions": [
        {
          "name": "Heroin",
          "type": "DRUG"
        },
        {
          "name": "Naloxone",
          "type": "DRUG"
        },
        {
          "name": "Low Bup Dose",
          "type": "DRUG"
        },
        {
          "name": "High Bup Dose",
          "type": "DRUG"
        },
        {
          "name": "Low Bup/Nal Dose",
          "type": "DRUG"
        },
        {
          "name": "High Bup/Nal Dose",
          "type": "DRUG"
        },
        {
          "name": "Placebo (PCB)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "21 Years to 45 Years"
      },
      "enrollment_count": 19,
      "start_date": "2007-09",
      "completion_date": "2008-08",
      "has_results": true,
      "last_update_posted_date": "2016-12-05",
      "last_synced_at": "2026-09-29T18:24:30.546Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00710385"
    }
  ]
}