{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Naltrexone+Pill",
    "query": {
      "intervention": "Naltrexone Pill"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 58,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Naltrexone+Pill&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T15:22:22.810Z",
  "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": "NCT00568555",
      "title": "Effects of Low Dose Naltrexone in Fibromyalgia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Fibromyalgia",
        "Persian Gulf Syndrome"
      ],
      "interventions": [
        {
          "name": "Low Dose Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo - sugar pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford 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": 53,
      "start_date": "2007-06",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2015-10-21",
      "last_synced_at": "2026-09-13T15:22:22.810Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00568555"
    },
    {
      "nct_id": "NCT01625091",
      "title": "Clinical Trial to Reduce Drinking in Women With HIV",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "HIV Infection"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 194,
      "start_date": "2012-12",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2018-07-10",
      "last_synced_at": "2026-09-13T15:22:22.810Z",
      "location_count": 2,
      "location_summary": "Coral Gables, Florida • Miami, Florida",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01625091"
    },
    {
      "nct_id": "NCT01993108",
      "title": "Control of Cognition (Naltrexone, Methylphenidate, and ADHD Study (NMAS))",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy",
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Methylphenidate",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "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": 23,
      "start_date": "2013-10",
      "completion_date": "2017-02",
      "has_results": true,
      "last_update_posted_date": "2018-06-18",
      "last_synced_at": "2026-09-13T15:22:22.810Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01993108"
    },
    {
      "nct_id": "NCT00256451",
      "title": "Endophenotype for Alcohol Misuse in Healthy Minority Populations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "alcohol",
          "type": "OTHER"
        },
        {
          "name": "Sham alcohol",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2005-11",
      "completion_date": "2008-05",
      "has_results": true,
      "last_update_posted_date": "2019-08-21",
      "last_synced_at": "2026-09-13T15:22:22.810Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00256451"
    },
    {
      "nct_id": "NCT01245647",
      "title": "Will Having Alcohol Treatment Improve Functioning?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV",
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "Naltrexone, 50mg, once per day for 4 months",
          "type": "DRUG"
        },
        {
          "name": "Sugar pill, 50mg, once per day for 4 months",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 19,
      "start_date": "2010-11",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2018-05-07",
      "last_synced_at": "2026-09-13T15:22:22.810Z",
      "location_count": 3,
      "location_summary": "Washington D.C., District of Columbia • Jacksonville, Florida • Chicago, Illinois",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01245647"
    },
    {
      "nct_id": "NCT00938886",
      "title": "Naltrexone for At-Risk and Problem Drinking in Smoking Cessation Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hazardous Drinking",
        "Cigarette Smoking"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2009-10",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2017-05-15",
      "last_synced_at": "2026-09-13T15:22:22.810Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00938886"
    },
    {
      "nct_id": "NCT01057862",
      "title": "Investigation of Naltrexone for Pathological Gambling",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pathological Gambling"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "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": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2009-02",
      "completion_date": "2017-01",
      "has_results": true,
      "last_update_posted_date": "2017-10-13",
      "last_synced_at": "2026-09-13T15:22:22.810Z",
      "location_count": 3,
      "location_summary": "Middletown, Connecticut • New Haven, Connecticut",
      "locations": [
        {
          "city": "Middletown",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01057862"
    },
    {
      "nct_id": "NCT03799198",
      "title": "Real World Effectiveness of Combining an Employer-based Weight Management Program With Medication for Chronic Weight Management in Employees With Obesity",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Weight Management Program (WMP)",
          "type": "OTHER"
        },
        {
          "name": "Medication for chronic weight management (Rx)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "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": 200,
      "start_date": "2019-01-07",
      "completion_date": "2020-05-22",
      "has_results": true,
      "last_update_posted_date": "2022-11-14",
      "last_synced_at": "2026-09-13T15:22:22.810Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03799198"
    },
    {
      "nct_id": "NCT05827159",
      "title": "Emergency Department-Initiated Medications for Alcohol Use Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Alcohol Use Disorder"
      ],
      "interventions": [
        {
          "name": "Naltrexone Pill",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone Injection",
          "type": "DRUG"
        },
        {
          "name": "Brief Negotiation Interview",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Gabapentin Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "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": 240,
      "start_date": "2024-08-17",
      "completion_date": "2029-02-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-13T15:22:22.810Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05827159"
    },
    {
      "nct_id": "NCT04365985",
      "title": "Study of Immunomodulation Using Naltrexone and Ketamine for COVID-19",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "COVID-19",
        "Acute Respiratory Distress Syndrome",
        "Severe Acute Respiratory Syndrome (SARS)",
        "Coronavirus Infections"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Corewell Health East",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2020-04-29",
      "completion_date": "2021-04-01",
      "has_results": true,
      "last_update_posted_date": "2022-01-26",
      "last_synced_at": "2026-09-13T15:22:22.810Z",
      "location_count": 1,
      "location_summary": "Royal Oak, Michigan",
      "locations": [
        {
          "city": "Royal Oak",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04365985"
    }
  ]
}