{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=alfentanil",
    "query": {
      "intervention": "alfentanil"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 9,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-07T02:32:32.639Z",
  "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": "NCT01431326",
      "title": "Pharmacokinetics of Understudied Drugs Administered to Children Per Standard of Care",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adenovirus",
        "Anesthesia",
        "Anxiety",
        "Anxiolysis",
        "Autism",
        "Autistic Disorder",
        "Bacterial Meningitis",
        "Bacterial Septicemia",
        "Benzodiazepine",
        "Bipolar Disorder",
        "Bone and Joint Infections",
        "Central Nervous System Infections",
        "Convulsions",
        "Cytomegalovirus Retinitis",
        "Early-onset Schizophrenia Spectrum Disorders",
        "Epilepsy",
        "General Anesthesia",
        "Gynecologic Infections",
        "Herpes Simplex Virus",
        "Infantile Hemangioma",
        "Infection",
        "Inflammation",
        "Inflammatory Conditions",
        "Intra-abdominal Infections",
        "Lower Respiratory Tract Infections",
        "Migraines",
        "Pain",
        "Pneumonia",
        "Schizophrenia",
        "Sedation",
        "Seizures",
        "Skeletal Muscle Spasms",
        "Skin and Skin-structure Infections",
        "Treatment-resistant Schizophrenia",
        "Urinary Tract Infections",
        "Withdrawal",
        "Sepsis",
        "Gram-negative Infection",
        "Bradycardia",
        "Cardiac Arrest",
        "Cardiac Arrhythmia",
        "Staphylococcal Infections",
        "Nosocomial Pneumonia",
        "Neuromuscular Blockade",
        "Methicillin Resistant Staphylococcus Aureus",
        "Endocarditis",
        "Neutropenia",
        "Headache",
        "Fibrinolytic Bleeding",
        "Pulmonary Arterial Hypertension",
        "CMV Retinitis",
        "Hypertension",
        "Chronic Kidney Diseases",
        "Hyperaldosteronism",
        "Hypokalemia",
        "Heart Failure",
        "Hemophilia",
        "Heavy Menstrual Bleeding",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "The POPS study is collecting PK data on children prescribed the following drugs of interest per standard of care:",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Daniel Benjamin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 3520,
      "start_date": "2011-11",
      "completion_date": "2019-11",
      "has_results": false,
      "last_update_posted_date": "2023-09-06",
      "last_synced_at": "2026-09-07T02:32:32.639Z",
      "location_count": 43,
      "location_summary": "Anchorage, Alaska • Little Rock, Arkansas • La Jolla, California + 37 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01431326"
    },
    {
      "nct_id": "NCT00997113",
      "title": "Stress During Deep Sedation With Propofol With and Without Alfentanil",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sedation"
      ],
      "interventions": [
        {
          "name": "propofol",
          "type": "DRUG"
        },
        {
          "name": "alfentanil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hennepin Healthcare Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2009-10",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2014-09-25",
      "last_synced_at": "2026-09-07T02:32:32.639Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00997113"
    },
    {
      "nct_id": "NCT02625181",
      "title": "Real-time Decision Support for Postoperative Nausea and Vomiting (PONV) Prophylaxis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "Automated recommendation at the start of the case",
          "type": "PROCEDURE"
        },
        {
          "name": "Automated notification at the start of surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Preoperative recommendations: by email",
          "type": "PROCEDURE"
        },
        {
          "name": "Automated notification at the end of surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Anesthesia Information Management System (AIMS)",
          "type": "DEVICE"
        },
        {
          "name": "Perioperative Data Warehouse (PDW)",
          "type": "DEVICE"
        },
        {
          "name": "General anesthesia",
          "type": "PROCEDURE"
        },
        {
          "name": "Elective surgery",
          "type": "PROCEDURE"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Sevoflurane",
          "type": "DRUG"
        },
        {
          "name": "Isoflurane",
          "type": "DRUG"
        },
        {
          "name": "Desflurane",
          "type": "DRUG"
        },
        {
          "name": "Scopolamine",
          "type": "DRUG"
        },
        {
          "name": "Droperidol",
          "type": "DRUG"
        },
        {
          "name": "Haloperidol",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Promethazine",
          "type": "DRUG"
        },
        {
          "name": "Meclizine",
          "type": "DRUG"
        },
        {
          "name": "Aprepitant",
          "type": "DRUG"
        },
        {
          "name": "Metoclopramide",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Sufentanil",
          "type": "DRUG"
        },
        {
          "name": "Alfentanil",
          "type": "DRUG"
        },
        {
          "name": "Remifentanil",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Meperidine",
          "type": "DRUG"
        },
        {
          "name": "Hydromorphone",
          "type": "DRUG"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Oxymorphone",
          "type": "DRUG"
        },
        {
          "name": "Hydrocodone",
          "type": "DRUG"
        },
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Granisetron",
          "type": "DRUG"
        },
        {
          "name": "Dolasetron mesylate",
          "type": "DRUG"
        },
        {
          "name": "Palonosetron",
          "type": "DRUG"
        },
        {
          "name": "Tropisetron",
          "type": "DRUG"
        },
        {
          "name": "Ramosetron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 27034,
      "start_date": "2016-07",
      "completion_date": "2017-11-30",
      "has_results": true,
      "last_update_posted_date": "2019-03-07",
      "last_synced_at": "2026-09-07T02:32:32.639Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02625181"
    },
    {
      "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": "2026-09-07T02:32:32.639Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01094574"
    },
    {
      "nct_id": "NCT03359395",
      "title": "Pre-medication With Alfentanil vs Placebo During ECT",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Blood Pressure",
        "Electroconvulsive Therapy"
      ],
      "interventions": [
        {
          "name": "Alfentanil",
          "type": "DRUG"
        },
        {
          "name": "Placebos",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": "2018-06-04",
      "completion_date": "2020-02-17",
      "has_results": true,
      "last_update_posted_date": "2021-07-08",
      "last_synced_at": "2026-09-07T02:32:32.639Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03359395"
    },
    {
      "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": "2026-09-07T02:32:32.639Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01008059"
    },
    {
      "nct_id": "NCT00991809",
      "title": "Study on the Development of Opioid Induced Hyperalgesia (OIH) After Exposure to Alfentanil",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hyperalgesia"
      ],
      "interventions": [
        {
          "name": "Alfentanil",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 22,
      "start_date": "2009-02",
      "completion_date": "2010-05",
      "has_results": true,
      "last_update_posted_date": "2017-10-06",
      "last_synced_at": "2026-09-07T02:32:32.639Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00991809"
    },
    {
      "nct_id": "NCT00672438",
      "title": "Heritability of Opioid Effects: A Twin Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Alfentanil",
          "type": "DRUG"
        },
        {
          "name": "Saline placebo infusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Martin Angst",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 242,
      "start_date": "2008-05",
      "completion_date": "2010-06",
      "has_results": true,
      "last_update_posted_date": "2017-01-06",
      "last_synced_at": "2026-09-07T02:32:32.639Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00672438"
    },
    {
      "nct_id": "NCT00997126",
      "title": "Propofol Versus Alfentanil Versus Nitrous Oxide for Moderate Procedural Sedation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Sedation"
      ],
      "interventions": [
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Alfentanil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hennepin Healthcare Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2009-10",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-01-27",
      "last_synced_at": "2026-09-07T02:32:32.639Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00997126"
    }
  ]
}