{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ondansetron+4+mg&page=4",
    "query": {
      "intervention": "ondansetron 4 mg",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 82,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ondansetron+4+mg&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ondansetron+4+mg&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T13:35:49.599Z",
  "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": "NCT01474915",
      "title": "Aprepitant Versus Ondansetron in Preoperative Triple-therapy Treatment of Nausea and Vomiting",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Nausea and Vomiting (PONV)",
        "Nausea"
      ],
      "interventions": [
        {
          "name": "Aprepitant",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Promethazine",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sergio Bergese",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 122,
      "start_date": "2007-06",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2013-12-03",
      "last_synced_at": "2026-10-06T13:35:49.599Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01474915"
    },
    {
      "nct_id": "NCT01740401",
      "title": "CTLA-4 Blockade and Low Dose Cyclophosphamide in Patients With Advanced Malignant Melanoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Melanoma"
      ],
      "interventions": [
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2012-10",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2017-12-06",
      "last_synced_at": "2026-10-06T13:35:49.599Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01740401"
    },
    {
      "nct_id": "NCT03885284",
      "title": "Study of Proton Therapy in Adjuvant Pancreatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Resected Pancreatic Adenocarcinoma"
      ],
      "interventions": [
        {
          "name": "mFOLFIRINOX",
          "type": "DRUG"
        },
        {
          "name": "Proton beam radiation",
          "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": "2019-07-15",
      "completion_date": "2023-11-08",
      "has_results": true,
      "last_update_posted_date": "2024-10-24",
      "last_synced_at": "2026-10-06T13:35:49.599Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03885284"
    },
    {
      "nct_id": "NCT01566838",
      "title": "Continuous Subpleural Infusion of Bupivacaine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Subpleural pain catheter with infusion of 0.125% bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Standard acute pain management",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Inova Health Care Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 83,
      "start_date": "2012-10",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2017-12-20",
      "last_synced_at": "2026-10-06T13:35:49.599Z",
      "location_count": 1,
      "location_summary": "Falls Church, Virginia",
      "locations": [
        {
          "city": "Falls Church",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01566838"
    },
    {
      "nct_id": "NCT02858310",
      "title": "E7 TCR T Cells for Human Papillomavirus-Associated Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Papillomavirus Infections",
        "Cervical Intraepithelial Neoplasia",
        "Carcinoma In Situ",
        "Vulvar Neoplasms",
        "Vulvar Diseases"
      ],
      "interventions": [
        {
          "name": "E7 TCR cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Aldesleukin",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "EKG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Chest CT and MRI or PET",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "PFT",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Granisetron",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Droperidol",
          "type": "DRUG"
        },
        {
          "name": "Prochlorperazine",
          "type": "DRUG"
        },
        {
          "name": "Diphenoxylate HCL",
          "type": "DRUG"
        },
        {
          "name": "Atropine sulfate",
          "type": "DRUG"
        },
        {
          "name": "Codeine sulfate",
          "type": "DRUG"
        },
        {
          "name": "Loperamide",
          "type": "DRUG"
        },
        {
          "name": "Indomethacin",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine HCL",
          "type": "DRUG"
        },
        {
          "name": "Hydroxyzine HCL",
          "type": "DRUG"
        },
        {
          "name": "Meperidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 224,
      "start_date": "2017-01-27",
      "completion_date": "2025-07-02",
      "has_results": true,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-06T13:35:49.599Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • New Brunswick, New Jersey",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02858310"
    },
    {
      "nct_id": "NCT04983498",
      "title": "Enhanced Recovery Pathway for Endoscopy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Enhanced Recovery Pathway",
        "Endoscopy"
      ],
      "interventions": [
        {
          "name": "Ondansetron 4 MG",
          "type": "DRUG"
        },
        {
          "name": "Lactated Ringers, Intravenous",
          "type": "DRUG"
        },
        {
          "name": "Early Mobilization",
          "type": "OTHER"
        },
        {
          "name": "Early PO Intake",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-09-01",
      "completion_date": "2022-01-01",
      "has_results": false,
      "last_update_posted_date": "2021-12-15",
      "last_synced_at": "2026-10-06T13:35:49.599Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04983498"
    },
    {
      "nct_id": "NCT01572012",
      "title": "Phase 1 Safety, Tolerability and PK Study of Ondansetron and Hylenex Recombinant in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron + Hylenex",
          "type": "DRUG"
        },
        {
          "name": "Zofran ODT",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Halozyme Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "19 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2012-02",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2014-01-24",
      "last_synced_at": "2026-10-06T13:35:49.599Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01572012"
    },
    {
      "nct_id": "NCT01395901",
      "title": "Safety and Efficacy of Palonosetron IV to Prevent Postoperative Nausea and Vomiting in Pediatric Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Postoperative Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "Palonosetron",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Placebo to Palonosetron",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Helsinn Healthcare SA",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "Up to 16 Years"
      },
      "enrollment_count": 670,
      "start_date": "2011-06",
      "completion_date": "2012-04",
      "has_results": true,
      "last_update_posted_date": "2014-07-30",
      "last_synced_at": "2026-10-06T13:35:49.599Z",
      "location_count": 12,
      "location_summary": "Florence, Alabama • Sheffield, Alabama • Washington D.C., District of Columbia + 9 more",
      "locations": [
        {
          "city": "Florence",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01395901"
    },
    {
      "nct_id": "NCT06780202",
      "title": "Assessment of Medrol Dosepak to Reduce Opioid Consumption in Foot and Ankle Surgical Patients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Foot Injuries and Disorders",
        "Ankle Injuries and Disorders",
        "Achilles Tendon Injury"
      ],
      "interventions": [
        {
          "name": "medrol dosepak",
          "type": "DRUG"
        },
        {
          "name": "HYDROcodone Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 180,
      "start_date": "2025-01-27",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-06T13:35:49.599Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • Johns Creek, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Johns Creek",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06780202"
    },
    {
      "nct_id": "NCT05692245",
      "title": "Dexamethasone vs Ondansetron After Cesarean Delivery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Nausea and Vomiting, Postoperative",
        "Cesarean Section Complications"
      ],
      "interventions": [
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "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": 100,
      "start_date": "2023-03-30",
      "completion_date": "2024-04-30",
      "has_results": true,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-10-06T13:35:49.599Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05692245"
    }
  ]
}