{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Naltrexone+High+Dose",
    "query": {
      "intervention": "Naltrexone High Dose"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 18,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Naltrexone+High+Dose&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T17:05:23.966Z",
  "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": "NCT01303835",
      "title": "Low Dose Naltrexone for Glioma Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Malignant Glioma"
      ],
      "interventions": [
        {
          "name": "LDN",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Katy Peters",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2011-05",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2015-07-17",
      "last_synced_at": "2026-09-04T17:05:23.966Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01303835"
    },
    {
      "nct_id": "NCT04464980",
      "title": "Optimizing Retention, Duration and Discontinuation Strategies for Opioid Use Disorder Pharmacotherapy (RDD)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opioid Use Disorder (OUD)"
      ],
      "interventions": [
        {
          "name": "SL-BUP",
          "type": "DRUG"
        },
        {
          "name": "XR-BUP",
          "type": "DRUG"
        },
        {
          "name": "XR-NTX",
          "type": "DRUG"
        },
        {
          "name": "MM",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MMR",
          "type": "BEHAVIORAL"
        },
        {
          "name": "MMD",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "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": 1516,
      "start_date": "2021-06-08",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-04T17:05:23.966Z",
      "location_count": 21,
      "location_summary": "Little Rock, Arkansas • Tarzana, California • Bridgeport, Connecticut + 17 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Tarzana",
          "state": "California"
        },
        {
          "city": "Bridgeport",
          "state": "Connecticut"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04464980"
    },
    {
      "nct_id": "NCT01214083",
      "title": "N-acetylcysteine Plus Naltrexone for the Treatment of Alcohol Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "N-acetylcysteine + high-dose naltrexone (150 mg)",
          "type": "DRUG"
        },
        {
          "name": "High-dose naltrexone (150 mg) alone",
          "type": "DRUG"
        },
        {
          "name": "Low-dose naltrexone (50 mg) alone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 111,
      "start_date": "2010-10-15",
      "completion_date": "2016-10-30",
      "has_results": true,
      "last_update_posted_date": "2020-04-08",
      "last_synced_at": "2026-09-04T17:05:23.966Z",
      "location_count": 2,
      "location_summary": "West Haven, Connecticut • Minneapolis, Minnesota",
      "locations": [
        {
          "city": "West Haven",
          "state": "Connecticut"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01214083"
    },
    {
      "nct_id": "NCT02885311",
      "title": "Collaborative Care for Alcohol Use Disorders in the Patient-centered Medical Home",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Alcohol-Related Disorders",
        "Alcohol Drinking",
        "Alcoholism",
        "Alcohol Abuse",
        "Alcohol Use Disorders"
      ],
      "interventions": [
        {
          "name": "Motivation Enhancement Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Modified Behavioral Self-Control Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Brief Advice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Referral to specialty substance use disorder treatment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 27,
      "start_date": "2017-01",
      "completion_date": "2018-10",
      "has_results": true,
      "last_update_posted_date": "2023-10-30",
      "last_synced_at": "2026-09-04T17:05:23.966Z",
      "location_count": 1,
      "location_summary": "Great Neck, New York",
      "locations": [
        {
          "city": "Great Neck",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02885311"
    },
    {
      "nct_id": "NCT05100563",
      "title": "Participant(s) With Autism and High Pain Tolerance Treated With High Dose Naltrexone",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "50 mg naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "State University of New York - Upstate Medical University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "12 Years to 80 Years"
      },
      "enrollment_count": 1,
      "start_date": "2018-10-01",
      "completion_date": "2021-05-24",
      "has_results": false,
      "last_update_posted_date": "2022-05-11",
      "last_synced_at": "2026-09-04T17:05:23.966Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05100563"
    },
    {
      "nct_id": "NCT02454712",
      "title": "Study of PF614 Compared to OxyContin® in Healthy Volunteers (PF614-101)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "PF614",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone extended-release",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ensysce Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 64,
      "start_date": "2016-11-16",
      "completion_date": "2018-01-18",
      "has_results": false,
      "last_update_posted_date": "2024-10-02",
      "last_synced_at": "2026-09-04T17:05:23.966Z",
      "location_count": 1,
      "location_summary": "Lenexa, Kansas",
      "locations": [
        {
          "city": "Lenexa",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02454712"
    },
    {
      "nct_id": "NCT00053677",
      "title": "Drug Treatment for Pathologic Gambling Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gambling"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "21 Years to 75 Years"
      },
      "enrollment_count": 83,
      "start_date": "2002-12",
      "completion_date": "2005-11",
      "has_results": true,
      "last_update_posted_date": "2023-02-23",
      "last_synced_at": "2026-09-04T17:05:23.966Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00053677"
    },
    {
      "nct_id": "NCT05685225",
      "title": "Single-Site Study of Naltrexone/Acetaminophen for the Acute Treatment of Migraine: A Phase 2 Randomized Trial",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "Stage 1: Naltrexone/Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Stage 1: Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Stage 1: Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Stage1: Placebo",
          "type": "DRUG"
        },
        {
          "name": "Stage 2: Naltrxone/Acetaminophen high dose",
          "type": "DRUG"
        },
        {
          "name": "Stage 2: Naltrexone/Acetaminophen medium dose",
          "type": "DRUG"
        },
        {
          "name": "Stage 2: Naltrxone/Acetaminophen low dose",
          "type": "DRUG"
        },
        {
          "name": "Stage 2: Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allodynic Therapeutics, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-01-31",
      "completion_date": "2025-12-02",
      "has_results": false,
      "last_update_posted_date": "2025-12-08",
      "last_synced_at": "2026-09-04T17:05:23.966Z",
      "location_count": 1,
      "location_summary": "North Miami, Florida",
      "locations": [
        {
          "city": "North Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05685225"
    },
    {
      "nct_id": "NCT00218023",
      "title": "Medications for Stopping Cocaine Dependence and Preventing Relapse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cocaine Abuse",
        "Cocaine-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Modafinil",
          "type": "DRUG"
        },
        {
          "name": "Levodopa/Carbidopa",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone HCl",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Motivational Interviewing (MI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Contingency management (CM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cognitive-Behavioral Therapy (CBT)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "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": 101,
      "start_date": "2006-03",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2017-06-09",
      "last_synced_at": "2026-09-04T17:05:23.966Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00218023"
    },
    {
      "nct_id": "NCT03061734",
      "title": "Low-Dose Naltrexone and Acetaminophen Combination and Its Components in the Acute Treatment of Migraine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Migraine With or Without Aura"
      ],
      "interventions": [
        {
          "name": "Naltrexone and Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone and Acetaminophen-High Dose",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone Alone (regular dose)",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen Alone",
          "type": "DRUG"
        },
        {
          "name": "Matching Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Allodynic Therapeutics, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 92,
      "start_date": "2017-02-18",
      "completion_date": "2018-02-08",
      "has_results": false,
      "last_update_posted_date": "2021-04-14",
      "last_synced_at": "2026-09-04T17:05:23.966Z",
      "location_count": 1,
      "location_summary": "North Miami, Florida",
      "locations": [
        {
          "city": "North Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03061734"
    }
  ]
}