{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=fentanyl&page=2",
    "query": {
      "intervention": "fentanyl",
      "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?intervention=fentanyl&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T11:37:05.931Z",
  "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": "NCT00278824",
      "title": "Fentanyl Transdermal Patch With CHADD™ for Breakthrough Pain in Patients With Moderate to Severe Non-Malignant Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Matrix Transdermal Fentanyl/CHADD Drug Delivery System",
          "type": "DRUG"
        },
        {
          "name": "Placebo Patch",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "ZARS Pharma Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 109,
      "start_date": "2006-01",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2012-06-05",
      "last_synced_at": "2026-09-04T11:37:05.931Z",
      "location_count": 15,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Marietta, Georgia + 12 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Marietta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "West Des Moines",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00278824"
    },
    {
      "nct_id": "NCT03613792",
      "title": "Remifentanil Plus Ketamine for Dynamic Flexible Bronchoscopy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Bronchoscopy"
      ],
      "interventions": [
        {
          "name": "Remifentanil",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Ketamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-09",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-09-04T11:37:05.931Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03613792"
    },
    {
      "nct_id": "NCT04616417",
      "title": "Investigational Oocyte Cryopreservation for Medical and Non Medical Indications",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Infertility, Female",
        "Deferred Childbearing"
      ],
      "interventions": [
        {
          "name": "Investigational Oocyte Cryopreservation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 40 Years · Female only"
      },
      "enrollment_count": 29,
      "start_date": "2015-05-08",
      "completion_date": "2023-03-20",
      "has_results": true,
      "last_update_posted_date": "2024-07-30",
      "last_synced_at": "2026-09-04T11:37:05.931Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04616417"
    },
    {
      "nct_id": "NCT05244226",
      "title": "Pediatric Pain Optimization After Tonsillectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Obstructive Sleep Apnea",
        "Tonsillitis",
        "Pain, Procedural"
      ],
      "interventions": [
        {
          "name": "Fentanyl/Hydromorphone",
          "type": "DRUG"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "3 Years to 17 Years"
      },
      "enrollment_count": 66,
      "start_date": "2022-04-08",
      "completion_date": "2023-05-10",
      "has_results": true,
      "last_update_posted_date": "2024-10-17",
      "last_synced_at": "2026-09-04T11:37:05.931Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05244226"
    },
    {
      "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": "2026-09-04T11:37:05.931Z",
      "location_count": 1,
      "location_summary": "Harrisburg, Pennsylvania",
      "locations": [
        {
          "city": "Harrisburg",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04794790"
    },
    {
      "nct_id": "NCT07348172",
      "title": "Characterizing Drug Liking During Drug Administration in Peri-procedural Clinical Settings",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Drug Liking"
      ],
      "interventions": [
        {
          "name": "Amisulpride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2026-03-01",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-09-04T11:37:05.931Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07348172"
    },
    {
      "nct_id": "NCT02207972",
      "title": "Does Ultrasound Help With Placement of Labor Analgesia in Pregnant Patients?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "Use of Ultrasound",
          "type": "DEVICE"
        },
        {
          "name": "No ultrasound used",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "St. Luke's-Roosevelt Hospital Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "48 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 48 Years · Female only"
      },
      "enrollment_count": 46,
      "start_date": "2013-05",
      "completion_date": "2015-02",
      "has_results": true,
      "last_update_posted_date": "2018-02-13",
      "last_synced_at": "2026-09-04T11:37:05.931Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02207972"
    },
    {
      "nct_id": "NCT00652028",
      "title": "Pharmacokinetics and Pharmacodynamics of Dexmedetomidine in Pediatrics Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Intubated and Mechanically Ventilated Pediatric Subjects"
      ],
      "interventions": [
        {
          "name": "Dexmedetomidine, midazolam; fentanyl",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hospira, now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "2 Years to 16 Years"
      },
      "enrollment_count": 69,
      "start_date": "2008-11",
      "completion_date": "2010-04",
      "has_results": true,
      "last_update_posted_date": "2017-04-13",
      "last_synced_at": "2026-09-04T11:37:05.931Z",
      "location_count": 8,
      "location_summary": "Miami, Florida • Louisville, Kentucky • Buffalo, New York + 5 more",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Buffalo",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00652028"
    },
    {
      "nct_id": "NCT00802646",
      "title": "The Effects of Combined Spinal Epidurals on Fever During Labor of First-Time Mothers",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vaginal Delivery"
      ],
      "interventions": [
        {
          "name": "saline",
          "type": "DRUG"
        },
        {
          "name": "fentanyl/bupivacaine/epinephrine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ochsner Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "34 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 34 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2009-06",
      "completion_date": "2010-06",
      "has_results": false,
      "last_update_posted_date": "2023-04-12",
      "last_synced_at": "2026-09-04T11:37:05.931Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00802646"
    },
    {
      "nct_id": "NCT00786370",
      "title": "Dexmedetomidine vs. Propofol for Cataract Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Cataract"
      ],
      "interventions": [
        {
          "name": "dexmedetomidine",
          "type": "DRUG"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Dexemedetomidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The Cooper Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2008-04",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2012-02-10",
      "last_synced_at": "2026-09-04T11:37:05.931Z",
      "location_count": 1,
      "location_summary": "Camden, New Jersey",
      "locations": [
        {
          "city": "Camden",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00786370"
    }
  ]
}