{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ondansetron+4+mg",
    "query": {
      "intervention": "ondansetron 4 mg"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 82,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ondansetron+4+mg&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-17T11:36:05.899Z",
  "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": "NCT01691690",
      "title": "Analgesic Effect of IV Acetaminophen in Tonsillectomies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adenotonsillitis",
        "Tonsillitis"
      ],
      "interventions": [
        {
          "name": "Acetaminophen (paracetamol)",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline Flush",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        },
        {
          "name": "Sevoflurane",
          "type": "DRUG"
        },
        {
          "name": "Nitrous Oxide/Oxygen",
          "type": "DRUG"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "9 Years",
        "sex": "ALL",
        "summary": "2 Years to 9 Years"
      },
      "enrollment_count": 250,
      "start_date": "2012-10",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2017-04-06",
      "last_synced_at": "2026-09-17T11:36:05.899Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01691690"
    },
    {
      "nct_id": "NCT03593811",
      "title": "Noninvasive Markers of Functional Nausea in Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Nausea"
      ],
      "interventions": [
        {
          "name": "Questionnaires",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "4 channel electrogastrogram (EGG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "36 channel high resolution electrogastrogram (HR-EGG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Magnetogastrogram (MGG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electrocardiogram (EKG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Cyproheptadine Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 42,
      "start_date": "2018-08-03",
      "completion_date": "2021-04-02",
      "has_results": false,
      "last_update_posted_date": "2026-04-22",
      "last_synced_at": "2026-09-17T11:36:05.899Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03593811"
    },
    {
      "nct_id": "NCT01333943",
      "title": "Saphenous Nerve Block Versus Femoral Nerve Block for Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Study Group: Experimental",
          "type": "PROCEDURE"
        },
        {
          "name": "Control Group",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "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": 94,
      "start_date": "2011-03",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2022-05-11",
      "last_synced_at": "2026-09-17T11:36:05.899Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01333943"
    },
    {
      "nct_id": "NCT00183222",
      "title": "Effectiveness of Naltrexone and/or Ondansetron to Reduce Craving for Alcohol and Drinking",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Dependence"
      ],
      "interventions": [
        {
          "name": "naltrexone (up to 50 mg/day) for 8 days; ondansetron (0.25 mg twice a day) for 8 days",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 160,
      "start_date": "2005-05",
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2010-05-05",
      "last_synced_at": "2026-09-17T11:36:05.899Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00183222"
    },
    {
      "nct_id": "NCT06225466",
      "title": "Muscle Relaxation for Pediatric Adenotonsillectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tonsillectomy"
      ],
      "interventions": [
        {
          "name": "Rocuronium",
          "type": "DRUG"
        },
        {
          "name": "Sugammadex",
          "type": "DRUG"
        },
        {
          "name": "Anesthesia without neuromuscular blockade",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "2 Years to 12 Years"
      },
      "enrollment_count": 172,
      "start_date": "2024-04-10",
      "completion_date": "2024-09-27",
      "has_results": true,
      "last_update_posted_date": "2025-07-28",
      "last_synced_at": "2026-09-17T11:36:05.899Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06225466"
    },
    {
      "nct_id": "NCT03325816",
      "title": "Nivolumab and 177Lu-DOTA0-Tyr3-Octreotate for Patients With Extensive-Stage Small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Small Cell Lung Cancer",
        "Small Cell Lung Cancer Extensive Stage"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "177Lu-DOTA0-Tyr3-Octreotate",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "Georgetown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2017-11-20",
      "completion_date": "2020-08-11",
      "has_results": true,
      "last_update_posted_date": "2021-03-16",
      "last_synced_at": "2026-09-17T11:36:05.899Z",
      "location_count": 2,
      "location_summary": "Washington D.C., District of Columbia • Hackensack, New Jersey",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03325816"
    },
    {
      "nct_id": "NCT00708526",
      "title": "Improved Patient Recovery After Anesthesia With Hypercapnia Hyperpnoea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypercapnia"
      ],
      "interventions": [
        {
          "name": "standard of care for phase one anesthesia care",
          "type": "OTHER"
        },
        {
          "name": "Quick Emergence Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2008-03",
      "completion_date": "2008-11",
      "has_results": true,
      "last_update_posted_date": "2022-11-29",
      "last_synced_at": "2026-09-17T11:36:05.899Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00708526"
    },
    {
      "nct_id": "NCT00891761",
      "title": "A Study of IV Casopitant for the Prevention of Nausea and Vomiting Caused By Cisplatin-Based Highly Emetogenic Chemotherapy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cancer",
        "Chemotherapy-Induced Nausea and Vomiting",
        "Nausea and Vomiting",
        "Solid Tumor Cancer"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "IV casopitant (placebo)",
          "type": "DRUG"
        },
        {
          "name": "IV casopitant (active)",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2009-09",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2015-04-17",
      "last_synced_at": "2026-09-17T11:36:05.899Z",
      "location_count": 2,
      "location_summary": "Tampa, Florida • Robbinsdale, Minnesota",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Robbinsdale",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00891761"
    },
    {
      "nct_id": "NCT01067677",
      "title": "Rescue Emetic Therapy for Children Having Elective Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post Operative Nausea and Vomiting",
        "Rescue Emetic Therapy"
      ],
      "interventions": [
        {
          "name": "Metaclopramide",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "diphenhydramine",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Franklyn Cladis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "3 Years to 18 Years"
      },
      "enrollment_count": 0,
      "start_date": "2010-02",
      "completion_date": "2014-02",
      "has_results": false,
      "last_update_posted_date": "2017-11-14",
      "last_synced_at": "2026-09-17T11:36:05.899Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01067677"
    },
    {
      "nct_id": "NCT02473042",
      "title": "Intraoperative Acupoint Stimulation to Prevent Post-Operative Nausea and Vomiting (PONV)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Operative Nausea and Vomiting",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Electrical Stimulation",
          "type": "PROCEDURE"
        },
        {
          "name": "Zofran",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Phenergan",
          "type": "DRUG"
        },
        {
          "name": "Pepcid",
          "type": "DRUG"
        },
        {
          "name": "Questionnaire",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 188,
      "start_date": "2016-03-01",
      "completion_date": "2024-11-26",
      "has_results": true,
      "last_update_posted_date": "2025-12-05",
      "last_synced_at": "2026-09-17T11:36:05.899Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02473042"
    }
  ]
}