{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Stage+1%3A+Naltrexone",
    "query": {
      "intervention": "Stage 1: Naltrexone"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 33,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Stage+1%3A+Naltrexone&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T13:13:48.101Z",
  "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": "NCT04325802",
      "title": "Treatment of Chronic Itch in Atopic Dermatitis With Opioid Antagonist Naltrexone",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atopic Dermatitis",
        "Pruritus",
        "Pruritus Chronic",
        "Dermatitis"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-12-31",
      "completion_date": "2024-06",
      "has_results": false,
      "last_update_posted_date": "2023-04-04",
      "last_synced_at": "2026-09-25T13:13:48.101Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04325802"
    },
    {
      "nct_id": "NCT05043766",
      "title": "Evaluation of Oral PF614 Relative to OxyContin (PF614-102)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "PF614",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "OxyContin",
          "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": 84,
      "start_date": "2021-09-08",
      "completion_date": "2022-03-21",
      "has_results": false,
      "last_update_posted_date": "2024-09-24",
      "last_synced_at": "2026-09-25T13:13:48.101Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05043766"
    },
    {
      "nct_id": "NCT07224009",
      "title": "Low Dose Naltrexone (LDN) for Management of Fatigue in Prostate Cancer Patients on Androgen Deprivation Therapy (ADT)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Prostate Cancer"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "18 Years and older · Male only"
      },
      "enrollment_count": 60,
      "start_date": "2026-08-25",
      "completion_date": "2030-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-08",
      "last_synced_at": "2026-09-25T13:13:48.101Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07224009"
    },
    {
      "nct_id": "NCT04154033",
      "title": "Treatment of Chronic Itch in Atopic Dermatitis With Topical Naltrexone",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atopic Dermatitis",
        "Pruritus",
        "Dermatitis"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Placebo Cream",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 0,
      "start_date": "2020-10-01",
      "completion_date": "2024-03-31",
      "has_results": false,
      "last_update_posted_date": "2021-04-20",
      "last_synced_at": "2026-09-25T13:13:48.101Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04154033"
    },
    {
      "nct_id": "NCT01359930",
      "title": "Phase 1 Naltrexone-Bupropion-Methamphetamine Interaction Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Methamphetamine Dependence"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "Naltrexone and Bupropion SR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 16,
      "start_date": "2011-08",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2017-01-12",
      "last_synced_at": "2026-09-25T13:13:48.101Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01359930"
    },
    {
      "nct_id": "NCT02137252",
      "title": "Naltrexone RCT for Treatment-Emergent Fatigue in Patients Receiving Radiation Therapy for Breast Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Invasive Breast Cancer (Stage I-III)",
        "Ductal Carcinoma in Situ",
        "Lobular Carcinoma in Situ",
        "Lobular Carcinoma",
        "Fatigue Related to Cancer Treatment"
      ],
      "interventions": [
        {
          "name": "Naltrexone",
          "type": "DRUG"
        },
        {
          "name": "Sugar Pill",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Dana-Farber Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2014-05",
      "completion_date": "2015-08-01",
      "has_results": true,
      "last_update_posted_date": "2021-11-16",
      "last_synced_at": "2026-09-25T13:13:48.101Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02137252"
    },
    {
      "nct_id": "NCT03063606",
      "title": "Behavioral and Pharmacologic Treatment of Binge Eating and Obesity: Specialist Treatment",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Binge-Eating Disorder",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Cognitive-Behavioral Therapy (CBT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "NB Medication (on-going from acute treatment)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 31,
      "start_date": "2017-09-05",
      "completion_date": "2022-12-16",
      "has_results": true,
      "last_update_posted_date": "2024-02-01",
      "last_synced_at": "2026-09-25T13:13:48.101Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03063606"
    },
    {
      "nct_id": "NCT00777062",
      "title": "VIVITROL as a Treatment for Cocaine and Alcohol Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cocaine Dependence",
        "Alcohol Dependence"
      ],
      "interventions": [
        {
          "name": "VIVITROL (Naltrexone extended-release injectable suspension)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 80,
      "start_date": "2009-07",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2018-01-26",
      "last_synced_at": "2026-09-25T13:13:48.101Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00777062"
    },
    {
      "nct_id": "NCT04499950",
      "title": "Adaptive Nutrition and Exercise Weight Loss (A-NEW) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Overweight or Obesity"
      ],
      "interventions": [
        {
          "name": "Contrave",
          "type": "DRUG"
        },
        {
          "name": "Behavioral Weight Loss",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 53,
      "start_date": "2021-02-08",
      "completion_date": "2024-01-10",
      "has_results": true,
      "last_update_posted_date": "2025-03-06",
      "last_synced_at": "2026-09-25T13:13:48.101Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04499950"
    },
    {
      "nct_id": "NCT02401750",
      "title": "A Study to Evaluate Safety and Efficacy Following Dosing of Oxycodone/Naltrexone for Treatment of Adults With Pain Following Bunionectomy Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Oxycodone Naltrexone (a)",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone Naltrexone (b)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Elite Laboratories, 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": 163,
      "start_date": "2015-06",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2016-08-09",
      "last_synced_at": "2026-09-25T13:13:48.101Z",
      "location_count": 5,
      "location_summary": "Phoenix, Arizona • Pasadena, Maryland • Austin, Texas + 2 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Pasadena",
          "state": "Maryland"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02401750"
    }
  ]
}