{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fentanyl+%28low+dose%29",
    "query": {
      "intervention": "Fentanyl (low dose)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 31,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fentanyl+%28low+dose%29&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-12T05:08:27.764Z",
  "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": "NCT04794790",
      "title": "Buprenorphine Induction for Fentanyl Dependent Opioid Users",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Opioid Dependence Fentanyl"
      ],
      "interventions": [
        {
          "name": "Buprenorphine/naloxone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-05-09",
      "completion_date": "2024-06-22",
      "has_results": false,
      "last_update_posted_date": "2024-05-22",
      "last_synced_at": "2026-09-12T05:08:27.764Z",
      "location_count": 1,
      "location_summary": "Harrisburg, Pennsylvania",
      "locations": [
        {
          "city": "Harrisburg",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04794790"
    },
    {
      "nct_id": "NCT01270659",
      "title": "Safety and Efficacy Study of Fentanyl Buccal Tablet Use in the Emergency Department for Isolated Extremity Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "oxycodone/acetaminophen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 60,
      "start_date": "2011-05",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2017-06-20",
      "last_synced_at": "2026-09-12T05:08:27.764Z",
      "location_count": 1,
      "location_summary": "Tulsa, Oklahoma",
      "locations": [
        {
          "city": "Tulsa",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01270659"
    },
    {
      "nct_id": "NCT02803450",
      "title": "Epidural Loading: High Volume, Low Concentration",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Labor and Delivery"
      ],
      "interventions": [
        {
          "name": "Epidural needle",
          "type": "PROCEDURE"
        },
        {
          "name": "Catheter Administration",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard of Care Epidural Administration",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 89 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2016-02",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2021-09-27",
      "last_synced_at": "2026-09-12T05:08:27.764Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02803450"
    },
    {
      "nct_id": "NCT05944952",
      "title": "Low-dose Versus a High-dose Sublingual Buprenorphine Induction",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Opioid Use Disorder"
      ],
      "interventions": [
        {
          "name": "buprenorphine/naloxone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Friends Research Institute, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2024-06-20",
      "completion_date": "2025-10-30",
      "has_results": false,
      "last_update_posted_date": "2025-08-12",
      "last_synced_at": "2026-09-12T05:08:27.764Z",
      "location_count": 1,
      "location_summary": "Dundalk, Maryland",
      "locations": [
        {
          "city": "Dundalk",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05944952"
    },
    {
      "nct_id": "NCT03305055",
      "title": "RCT: Fentanyl Plus Ketamine Versus Fentanyl Alone for Acute Burn Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Pain",
        "Wound Care",
        "Posttraumatic Stress Disorder"
      ],
      "interventions": [
        {
          "name": "ketamine",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins 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": 4,
      "start_date": "2017-12-16",
      "completion_date": "2018-04-21",
      "has_results": true,
      "last_update_posted_date": "2019-03-12",
      "last_synced_at": "2026-09-12T05:08:27.764Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03305055"
    },
    {
      "nct_id": "NCT03110003",
      "title": "Bupivacaine With Epidural Volume Extension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Spinal Anesthesia",
        "Epidural; Anesthesia"
      ],
      "interventions": [
        {
          "name": "10 mg Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "5 mg Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 60 Years · Female only"
      },
      "enrollment_count": 45,
      "start_date": "2016-06-27",
      "completion_date": "2018-09-30",
      "has_results": true,
      "last_update_posted_date": "2018-12-19",
      "last_synced_at": "2026-09-12T05:08:27.764Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03110003"
    },
    {
      "nct_id": "NCT00538850",
      "title": "Fentanyl Sublingual Spray in Treating Patients With Breakthrough Cancer Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Fentanyl sublingual spray",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "INSYS 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": 130,
      "start_date": "2007-10",
      "completion_date": "2010-10",
      "has_results": true,
      "last_update_posted_date": "2014-03-05",
      "last_synced_at": "2026-09-12T05:08:27.764Z",
      "location_count": 1,
      "location_summary": "Chandler, Arizona",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00538850"
    },
    {
      "nct_id": "NCT03263117",
      "title": "SEdation Versus General Anesthesia for Endovascular Therapy in Acute Ischemic Stroke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Stroke"
      ],
      "interventions": [
        {
          "name": "Sedation",
          "type": "DRUG"
        },
        {
          "name": "General Anesthesia (GA)",
          "type": "DRUG"
        },
        {
          "name": "Intra-arterial Thrombectomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 260,
      "start_date": "2018-07-01",
      "completion_date": "2023-04-22",
      "has_results": true,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-09-12T05:08:27.764Z",
      "location_count": 11,
      "location_summary": "Indianapolis, Indiana • Iowa City, Iowa • Louisville, Kentucky + 6 more",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03263117"
    },
    {
      "nct_id": "NCT00807209",
      "title": "Dose Finding Posterolateral Thoracotomy Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Low Dose SKY0402",
          "type": "DRUG"
        },
        {
          "name": "High Dose SKY0402",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl via PCA",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine via epidural",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pacira Pharmaceuticals, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2008-12",
      "completion_date": "2009-02",
      "has_results": true,
      "last_update_posted_date": "2012-05-15",
      "last_synced_at": "2026-09-12T05:08:27.764Z",
      "location_count": 5,
      "location_summary": "Pasadena, California • Orlando, Florida • Houston, Texas + 1 more",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00807209"
    },
    {
      "nct_id": "NCT02641340",
      "title": "Fentanyl Sublingual Spray in Opioid Naive Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pharmacology"
      ],
      "interventions": [
        {
          "name": "Fentanyl Sublingual Spray",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl Citrate IV",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "INSYS Therapeutics 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": 96,
      "start_date": "2016-01",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2016-03-30",
      "last_synced_at": "2026-09-12T05:08:27.764Z",
      "location_count": 1,
      "location_summary": "Pasadena, California",
      "locations": [
        {
          "city": "Pasadena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02641340"
    }
  ]
}