{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fentanyl+Citrate",
    "query": {
      "intervention": "Fentanyl Citrate"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 472,
    "total_pages": 48,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fentanyl+Citrate&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T04:40:08.500Z",
  "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": "NCT05057689",
      "title": "Safety & Efficacy of Intranasal Dexmedetomidine, Fentanyl & Midazolam in the Pediatric Emergency Room",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Acute Stress Disorder",
        "Anxiety",
        "Pain"
      ],
      "interventions": [
        {
          "name": "Intranasal Dexmedetomidine (4 mcg/kg)",
          "type": "DRUG"
        },
        {
          "name": "Intranasal Fentanyl (2 mcg/kg)",
          "type": "DRUG"
        },
        {
          "name": "Intranasal Midazolam (5 mg/kg)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "2 Years to 6 Years"
      },
      "enrollment_count": 0,
      "start_date": "2025-09",
      "completion_date": "2025-10",
      "has_results": false,
      "last_update_posted_date": "2025-09-10",
      "last_synced_at": "2026-09-04T04:40:08.500Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05057689"
    },
    {
      "nct_id": "NCT02937506",
      "title": "Patient Satisfaction With Propofol for Out Patient Colonoscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Colon Cancer",
        "IBS",
        "Polyps"
      ],
      "interventions": [
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl Plus Midazolam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mount Carmel Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 600,
      "start_date": "2013-11",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2017-12-26",
      "last_synced_at": "2026-09-04T04:40:08.500Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02937506"
    },
    {
      "nct_id": "NCT02573597",
      "title": "PIEB vs CEI for Labor Analgesia: An MLAC Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Sufentanil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 31,
      "start_date": "2015-10",
      "completion_date": "2018-05-22",
      "has_results": true,
      "last_update_posted_date": "2022-10-18",
      "last_synced_at": "2026-09-04T04:40:08.500Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02573597"
    },
    {
      "nct_id": "NCT04947397",
      "title": "Investigation of Pupillometry as Guide for Extubation Readiness in Anesthetized Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia",
        "Laryngospasm on Emergence"
      ],
      "interventions": [
        {
          "name": "Pupillometry",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "10 Years",
        "sex": "ALL",
        "summary": "2 Years to 10 Years"
      },
      "enrollment_count": 20,
      "start_date": "2022-06-20",
      "completion_date": "2023-02-01",
      "has_results": true,
      "last_update_posted_date": "2025-01-22",
      "last_synced_at": "2026-09-04T04:40:08.500Z",
      "location_count": 1,
      "location_summary": "Oakland, California",
      "locations": [
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04947397"
    },
    {
      "nct_id": "NCT02008591",
      "title": "Comparison of Epidural Labor Pain Relief Techniques on Maternal and Fetal Outcomes",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Laboring Women Requesting Neuraxial Labor Analgesia"
      ],
      "interventions": [
        {
          "name": "Epidural Technique versus Dural Puncture Epidural Technique versus Combined Spinal Epidural Technique",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 50 Years · Female only"
      },
      "enrollment_count": 120,
      "start_date": "2013-11-26",
      "completion_date": "2016-01-27",
      "has_results": false,
      "last_update_posted_date": "2017-01-24",
      "last_synced_at": "2026-09-04T04:40:08.500Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02008591"
    },
    {
      "nct_id": "NCT01008059",
      "title": "Alfentanil: Simultaneous Testing Pilot",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Evaluate Two Paradigms for Simultaneous Assessment of Hepatic and Intestinal CYP3A"
      ],
      "interventions": [
        {
          "name": "Alfentanil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 6,
      "start_date": "2009-10",
      "completion_date": "2016-09",
      "has_results": true,
      "last_update_posted_date": "2019-05-17",
      "last_synced_at": "2026-09-04T04:40:08.500Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01008059"
    },
    {
      "nct_id": "NCT01158820",
      "title": "Alternative Sedation During Bronchoscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sedation"
      ],
      "interventions": [
        {
          "name": "Dexmedetomidine load",
          "type": "DRUG"
        },
        {
          "name": "Ketamine load",
          "type": "DRUG"
        },
        {
          "name": "Midazolam load",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl load",
          "type": "DRUG"
        },
        {
          "name": "Dexmedetomidine maintenance",
          "type": "DRUG"
        },
        {
          "name": "Ketamine maintenance",
          "type": "DRUG"
        },
        {
          "name": "Midazolam demand",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl demand",
          "type": "DRUG"
        },
        {
          "name": "Benadryl demand",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pennsylvania",
      "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": 50,
      "start_date": "2010-06",
      "completion_date": "2012-05",
      "has_results": true,
      "last_update_posted_date": "2019-02-26",
      "last_synced_at": "2026-09-04T04:40:08.500Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01158820"
    },
    {
      "nct_id": "NCT01550770",
      "title": "Exploratory Study of Propofol and Fentanyl Pharmacodynamics",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "General Anesthesia"
      ],
      "interventions": [
        {
          "name": "propofol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ethicon Endo-Surgery",
      "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": "2012-02",
      "completion_date": "2012-07",
      "has_results": false,
      "last_update_posted_date": "2012-07-23",
      "last_synced_at": "2026-09-04T04:40:08.500Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01550770"
    },
    {
      "nct_id": "NCT02755090",
      "title": "Nitrous Oxide Versus Intravenous Sedation for Anesthesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy Termination in Second Trimester"
      ],
      "interventions": [
        {
          "name": "Nitrous Oxide",
          "type": "DRUG"
        },
        {
          "name": "IV Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2016-07",
      "completion_date": "2017-05",
      "has_results": true,
      "last_update_posted_date": "2017-09-15",
      "last_synced_at": "2026-09-04T04:40:08.500Z",
      "location_count": 2,
      "location_summary": "Denver, Colorado • Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02755090"
    },
    {
      "nct_id": "NCT01094574",
      "title": "Evaluation of Propranolol's Effect on Pain and Inflammation.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain Measurement"
      ],
      "interventions": [
        {
          "name": "Alfentanil",
          "type": "DRUG"
        },
        {
          "name": "Propranolol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Martin Angst",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 10,
      "start_date": "2010-01",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2017-02-24",
      "last_synced_at": "2026-09-04T04:40:08.500Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01094574"
    }
  ]
}