{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+ondansetron&page=2",
    "query": {
      "intervention": "placebo ondansetron",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 80,
    "total_pages": 8,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+ondansetron&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=placebo+ondansetron&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-01T14:35:37.839Z",
  "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": "NCT00738621",
      "title": "Combination Antiemetic Regimen for Prevention of PONV in Breast Surgery Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "Aprepitant, Dexamethasone, Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Aprepitant, Dexamethasone, Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Scott and White Hospital & Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 100,
      "start_date": "2008-07",
      "completion_date": "2010-08",
      "has_results": false,
      "last_update_posted_date": "2013-12-19",
      "last_synced_at": "2026-10-01T14:35:37.839Z",
      "location_count": 1,
      "location_summary": "Temple, Texas",
      "locations": [
        {
          "city": "Temple",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00738621"
    },
    {
      "nct_id": "NCT05021263",
      "title": "Does IV Magnesium Improve Quality of Recovery With ERAS Protocols in Laparoscopic Colorectal Surgery?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Colo-rectal Cancer",
        "Anesthesia"
      ],
      "interventions": [
        {
          "name": "IV Medications",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 90,
      "start_date": "2022-05-27",
      "completion_date": "2023-12-29",
      "has_results": false,
      "last_update_posted_date": "2024-04-09",
      "last_synced_at": "2026-10-01T14:35:37.839Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05021263"
    },
    {
      "nct_id": "NCT01346267",
      "title": "Acupressure in Controlling Nausea in Young Patients Receiving Highly Emetogenic Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Central Nervous System Tumor, Pediatric",
        "Chemotherapy-induced Nausea and Vomiting",
        "Unspecified Childhood Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "Real Acupressure Band",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo Acupressure Band",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "4 Years to 18 Years"
      },
      "enrollment_count": 187,
      "start_date": "2011-05",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2021-08-18",
      "last_synced_at": "2026-10-01T14:35:37.839Z",
      "location_count": 24,
      "location_summary": "Long Beach, California • Los Angeles, California • Hartford, Connecticut + 20 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01346267"
    },
    {
      "nct_id": "NCT02757105",
      "title": "Randomized, Double-Blind, Placebo-Controlled Phase 2 Trial of BEKINDA (Ondansetron 12 mg Bimodal Release Tablets) for Diarrhea Predominant Irritable Bowel Syndrome (IBS-D)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Irritable Bowel Syndrome With Diarrhea"
      ],
      "interventions": [
        {
          "name": "BEKINDA",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "RedHill Biopharma Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 127,
      "start_date": "2016-05-19",
      "completion_date": "2017-07-14",
      "has_results": true,
      "last_update_posted_date": "2018-08-28",
      "last_synced_at": "2026-10-01T14:35:37.839Z",
      "location_count": 16,
      "location_summary": "Huntsville, Alabama • Little Rock, Arkansas • North Little Rock, Arkansas + 12 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "North Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Garden Grove",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02757105"
    },
    {
      "nct_id": "NCT01205503",
      "title": "Trial of Mesna to Prevent Doxorubicin-induced Plasma Protein Oxidation and Tumor Necrosis Factor Alpha (TNF-α) Release",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Non-Hodgkin's Lymphoma"
      ],
      "interventions": [
        {
          "name": "Mesna",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mara Chambers",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2010-09",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2016-02-24",
      "last_synced_at": "2026-10-01T14:35:37.839Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01205503"
    },
    {
      "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": "2026-10-01T14:35:37.839Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01474915"
    },
    {
      "nct_id": "NCT03865290",
      "title": "Effects of Ondansetron on Gastrointestinal Sensorimotor Dysfunctions in Diabetes Mellitus and Dyspepsia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Indigestion",
        "Diabetes Mellitus"
      ],
      "interventions": [
        {
          "name": "Ondansetron 8mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 150,
      "start_date": "2019-04-02",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2026-05-04",
      "last_synced_at": "2026-10-01T14:35:37.839Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03865290"
    },
    {
      "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": "2026-10-01T14:35:37.839Z",
      "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": "NCT01113164",
      "title": "Matching Genotypes and Serotonergic Medications for Alcoholism",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "Ondansetron and Sertraline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brown University",
      "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": 79,
      "start_date": "2008-09",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2012-02-22",
      "last_synced_at": "2026-10-01T14:35:37.839Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01113164"
    },
    {
      "nct_id": "NCT00678457",
      "title": "Ondansetron With Olanzapine for the Treatment of Alcohol Dependence: A Preliminary Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Dependence"
      ],
      "interventions": [
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2007-01",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2009-01-30",
      "last_synced_at": "2026-10-01T14:35:37.839Z",
      "location_count": 2,
      "location_summary": "Charlottesville, Virginia • Richmond, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00678457"
    }
  ]
}