{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nalmefene+hydrochloride",
    "query": {
      "intervention": "Nalmefene hydrochloride"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 14,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nalmefene+hydrochloride&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T14:43:54.777Z",
  "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": "NCT07325279",
      "title": "Nalmefene Implant in Healthy Subjects",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Abuse and Addiction"
      ],
      "interventions": [
        {
          "name": "1 Nalmefene implant",
          "type": "DRUG"
        },
        {
          "name": "2 Nalmefene implants",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ReacX Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2026-02-23",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-16T14:43:54.777Z",
      "location_count": 1,
      "location_summary": "Morrisville, North Carolina",
      "locations": [
        {
          "city": "Morrisville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07325279"
    },
    {
      "nct_id": "NCT03129347",
      "title": "Pharmacokinetic Evaluation of Nalmefene Administered Intranasally to Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid-Related Disorders"
      ],
      "interventions": [
        {
          "name": "Nalmefene",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute on Drug Abuse (NIDA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 14,
      "start_date": "2017-06-01",
      "completion_date": "2017-07-03",
      "has_results": false,
      "last_update_posted_date": "2018-03-26",
      "last_synced_at": "2026-09-16T14:43:54.777Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03129347"
    },
    {
      "nct_id": "NCT04828005",
      "title": "Pharmacodynamic Evaluation of Intranasal Nalmefene",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pharmacodynamic"
      ],
      "interventions": [
        {
          "name": "Nalmefene hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Naloxone hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Opiant Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 84,
      "start_date": "2021-03-30",
      "completion_date": "2022-03-14",
      "has_results": true,
      "last_update_posted_date": "2025-07-14",
      "last_synced_at": "2026-09-16T14:43:54.777Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04828005"
    },
    {
      "nct_id": "NCT04759768",
      "title": "Pharmacokinetic Evaluation of Intranasal Nalmefene",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pharmacokinetics"
      ],
      "interventions": [
        {
          "name": "Nalmefene Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Nalmefene",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Opiant Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 68,
      "start_date": "2021-02-08",
      "completion_date": "2021-05-24",
      "has_results": true,
      "last_update_posted_date": "2024-08-13",
      "last_synced_at": "2026-09-16T14:43:54.777Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04759768"
    },
    {
      "nct_id": "NCT06198686",
      "title": "An Evaluation of The Absolute Bioavailability of TH104",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Nalmefene",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tharimmune Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 20,
      "start_date": "2024-01-26",
      "completion_date": "2024-11-06",
      "has_results": false,
      "last_update_posted_date": "2025-04-08",
      "last_synced_at": "2026-09-16T14:43:54.777Z",
      "location_count": 1,
      "location_summary": "Las Vegas, Nevada",
      "locations": [
        {
          "city": "Las Vegas",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06198686"
    },
    {
      "nct_id": "NCT07543276",
      "title": "Pharmacokinetic (PK) Evaluation of Nalmefene Formulations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Overdose"
      ],
      "interventions": [
        {
          "name": "Nalmefene + 0.94% MgCl2",
          "type": "DRUG"
        },
        {
          "name": "Nalmefene Hydrochloride Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Knoa Pharma LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 13,
      "start_date": "2026-02-06",
      "completion_date": "2026-04-03",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-09-16T14:43:54.777Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07543276"
    },
    {
      "nct_id": "NCT00202696",
      "title": "Nalmefene Smoking Cessation Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "nalmefene",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Somaxon Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "25 Years to 65 Years"
      },
      "enrollment_count": 76,
      "start_date": "2005-09",
      "completion_date": "2006-03",
      "has_results": false,
      "last_update_posted_date": "2008-05-19",
      "last_synced_at": "2026-09-16T14:43:54.777Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00202696"
    },
    {
      "nct_id": "NCT03279562",
      "title": "Patient Driven Recovery With Nalmefene and Coaching",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid-use Disorder",
        "Harmful; Use, Alcohol"
      ],
      "interventions": [
        {
          "name": "Nalmefene",
          "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": 10,
      "start_date": "2017-09-01",
      "completion_date": "2019-12-30",
      "has_results": false,
      "last_update_posted_date": "2021-01-22",
      "last_synced_at": "2026-09-16T14:43:54.777Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03279562"
    },
    {
      "nct_id": "NCT06719986",
      "title": "Pharmacodynamic Evaluation of Intramuscular Nalmefene Autoinjector 1.5 mg Compared to Intranasal Narcan 4 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Opioid Overdose"
      ],
      "interventions": [
        {
          "name": "Nalmefene HCl injection",
          "type": "DRUG"
        },
        {
          "name": "Naloxone HCl intranasal",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Purdue Pharma LP",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 24,
      "start_date": "2022-10-03",
      "completion_date": "2022-12-23",
      "has_results": true,
      "last_update_posted_date": "2025-07-03",
      "last_synced_at": "2026-09-16T14:43:54.777Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06719986"
    },
    {
      "nct_id": "NCT00000437",
      "title": "Tobacco Dependence in Alcoholism Treatment (Nicotine Patch/Naltrexone)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Alcoholism",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Naltrexone Tablet and Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Naltrexone Tablet and Placebo Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Tablet and Nicotine Patch",
          "type": "DRUG"
        },
        {
          "name": "Placebo Tablet and Placebo Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Scripps Research 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": 60,
      "start_date": "1997-09-26",
      "completion_date": "2005-09-15",
      "has_results": false,
      "last_update_posted_date": "2017-04-20",
      "last_synced_at": "2026-09-16T14:43:54.777Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000437"
    }
  ]
}