{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Naltrexone&page=2",
    "query": {
      "condition": "Naltrexone",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Naltrexone&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-06-10T14:02:40.698Z",
  "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": "NCT04115020",
      "title": "Low Dose Naltrexone for Chronic Pain in Osteoarthritis and Inflammatory Arthritis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Osteoarthritis",
        "Arthritis, Rheumatoid",
        "Arthritis, Psoriatic"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2020-01",
      "completion_date": "2020-01-07",
      "has_results": false,
      "last_update_posted_date": "2020-01-09",
      "last_synced_at": "2026-06-10T14:02:40.698Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04115020"
    },
    {
      "nct_id": "NCT00663117",
      "title": "The Effects of Naltrexone on Active Crohn's Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Inflammation",
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Naltrexone-HCl",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "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": 40,
      "start_date": "2006-09",
      "completion_date": "2009-10",
      "has_results": true,
      "last_update_posted_date": "2018-10-02",
      "last_synced_at": "2026-06-10T14:02:40.698Z",
      "location_count": 1,
      "location_summary": "Hershey, Pennsylvania",
      "locations": [
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00663117"
    },
    {
      "nct_id": "NCT00398008",
      "title": "HIV Risk Reduction and Drug Abuse Treatment in Iran",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Opiate Dependence",
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Buprenorphine/Subutex",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Drug counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "MALE",
        "summary": "18 Years to 65 Years · Male only"
      },
      "enrollment_count": 0,
      "start_date": "2004-10",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2020-03-30",
      "last_synced_at": "2026-06-10T14:02:40.698Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00398008"
    },
    {
      "nct_id": "NCT00461890",
      "title": "Long-Acting Injectable Naltrexone Treatment of Alcohol Dependence in Primary Care vs. in Specialized Chemical Dependence Treatment: A Pilot Trial",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alcohol Dependence",
        "Veterans"
      ],
      "interventions": [
        {
          "name": "Injectable Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "State University of New York - Upstate Medical University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "69 Years",
        "sex": "ALL",
        "summary": "18 Years to 69 Years"
      },
      "enrollment_count": 20,
      "start_date": "2006-10",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2011-10-24",
      "last_synced_at": "2026-06-10T14:02:40.698Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00461890"
    },
    {
      "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": "2026-06-10T14:02:40.698Z",
      "location_count": 1,
      "location_summary": "North Miami, Florida",
      "locations": [
        {
          "city": "North Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05685225"
    },
    {
      "nct_id": "NCT02324725",
      "title": "Biomarkers of Injectable Extended Release Naltrexone Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heroin Dependence",
        "Opioid Dependence"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 32,
      "start_date": "2011-10",
      "completion_date": "2021-12",
      "has_results": false,
      "last_update_posted_date": "2023-01-12",
      "last_synced_at": "2026-06-10T14:02:40.698Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02324725"
    },
    {
      "nct_id": "NCT00000456",
      "title": "Behavioral Therapy Plus Naltrexone for Alcoholism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alcoholism",
        "Alcohol Dependence"
      ],
      "interventions": [
        {
          "name": "naltrexone (Revia)",
          "type": "DRUG"
        },
        {
          "name": "cognitive behavior therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "motivational enhancement therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 160,
      "start_date": "1992-09",
      "completion_date": "2002-08",
      "has_results": false,
      "last_update_posted_date": "2010-10-04",
      "last_synced_at": "2026-06-10T14:02:40.698Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000456"
    },
    {
      "nct_id": "NCT05011266",
      "title": "Efficacy of Buprenorphine and XR-Naltrexone Combination for Relapse Prevention in Opioid Use Disorder",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "Buprenorphine/naloxone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York State Psychiatric 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": 180,
      "start_date": "2023-04-18",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-06-10T14:02:40.698Z",
      "location_count": 2,
      "location_summary": "Rockville, Maryland • New York, New York",
      "locations": [
        {
          "city": "Rockville",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05011266"
    },
    {
      "nct_id": "NCT00667771",
      "title": "The Effect of Naltrexone on Alcohol Craving and on Brain Activity During Alcohol Infusion",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Alcohol Dependence",
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute on Alcohol Abuse and Alcoholism (NIAAA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 70,
      "start_date": "2008-04-22",
      "completion_date": "2011-04-04",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-06-10T14:02:40.698Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00667771"
    },
    {
      "nct_id": "NCT04408313",
      "title": "Extended Release Naltrexone Versus Extended Release Buprenorphine With Individuals Leaving Jail",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Opioid-use Disorder"
      ],
      "interventions": [
        {
          "name": "XR-B",
          "type": "DRUG"
        },
        {
          "name": "XR-NTX",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Friends Research Institute, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2020-10-28",
      "completion_date": "2026-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-06-10T14:02:40.698Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04408313"
    }
  ]
}