{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=5HT3",
    "query": {
      "intervention": "5HT3"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 15,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=5HT3&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T02:12:13.934Z",
  "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": "NCT00334152",
      "title": "Casopitant And ZOFRAN To Prevent Post Operative Nausea And Vomiting In Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Nausea and Vomiting, Postoperative",
        "Postoperative Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "casopitant",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 515,
      "start_date": "2006-03",
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2017-03-23",
      "last_synced_at": "2026-09-10T02:12:13.934Z",
      "location_count": 25,
      "location_summary": "Fairhope, Alabama • Mobile, Alabama • Montgomery, Alabama + 22 more",
      "locations": [
        {
          "city": "Fairhope",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Arcadia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00334152"
    },
    {
      "nct_id": "NCT01549652",
      "title": "5HT3 Antagonists to Treat Opioid Withdrawal and to Prevent the Progression of Physical Dependence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Opioid Withdrawal",
        "Physical Dependence"
      ],
      "interventions": [
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        },
        {
          "name": "Naloxone 0.4 mg/70 kg",
          "type": "DRUG"
        },
        {
          "name": "Naloxone 0.8 mg/70 kg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 133,
      "start_date": "2011-04",
      "completion_date": "2016-10",
      "has_results": true,
      "last_update_posted_date": "2019-01-07",
      "last_synced_at": "2026-09-10T02:12:13.934Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01549652"
    },
    {
      "nct_id": "NCT05317000",
      "title": "5-Azacytidine and/or Nivolumab in Resectable HPV-Associated HNSCC",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Squamous Cell Carcinoma of Head and Neck"
      ],
      "interventions": [
        {
          "name": "Combination 5-azacytidine and nivolumab",
          "type": "DRUG"
        },
        {
          "name": "Nivolumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Barbara Burtness",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2023-03-23",
      "completion_date": "2028-11-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-10",
      "last_synced_at": "2026-09-10T02:12:13.934Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05317000"
    },
    {
      "nct_id": "NCT00880191",
      "title": "Gabapentin in Preventing Nausea and Vomiting in Patients Receiving Chemotherapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Nausea and Vomiting",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "gabapentin",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Alliance for Clinical Trials in Oncology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 430,
      "start_date": "2009-04",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2016-07-06",
      "last_synced_at": "2026-09-10T02:12:13.934Z",
      "location_count": 247,
      "location_summary": "Scottsdale, Arizona • Aurora, Colorado • Boulder, Colorado + 163 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boulder",
          "state": "Colorado"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00880191"
    },
    {
      "nct_id": "NCT02447835",
      "title": "Effect of Short Term Atypical Antipsychotic Administration Compared to Placebo on Hepatic Insulin Extraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Normal Non-fluency"
      ],
      "interventions": [
        {
          "name": "Olanzapine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Michael Rickels",
      "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": 15,
      "start_date": "2012-08",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-05-19",
      "last_synced_at": "2026-09-10T02:12:13.934Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02447835"
    },
    {
      "nct_id": "NCT06065722",
      "title": "Prevention of Breakthrough CINV in Patients Receiving Moderately or Highly Emetogenic Chemotherapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chemotherapy Induced Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "Akynzeo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Simon Williamson Clinic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2023-09-09",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-10-10",
      "last_synced_at": "2026-09-10T02:12:13.934Z",
      "location_count": 1,
      "location_summary": "Mount Olive, Alabama",
      "locations": [
        {
          "city": "Mount Olive",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06065722"
    },
    {
      "nct_id": "NCT01031953",
      "title": "Fosaprepitant Dimeglumine in Treating Patients With Nausea and Vomiting Caused By Chemotherapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Breakthrough Nausea and Vomiting",
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "fosaprepitant dimeglumine",
          "type": "DRUG"
        },
        {
          "name": "systemic chemotherapy",
          "type": "DRUG"
        },
        {
          "name": "survey administration",
          "type": "OTHER"
        },
        {
          "name": "quality-of-life assessment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "OHSU Knight Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 34,
      "start_date": "2008-08",
      "completion_date": "2013-02",
      "has_results": true,
      "last_update_posted_date": "2017-05-09",
      "last_synced_at": "2026-09-10T02:12:13.934Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01031953"
    },
    {
      "nct_id": "NCT00326248",
      "title": "Casopitant (Oral) And ZOFRAN To Prevent Postoperative Nausea And Vomiting In Women",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Nausea and Vomiting, Postoperative"
      ],
      "interventions": [
        {
          "name": "GW679769 (casopitant)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 482,
      "start_date": "2006-03",
      "completion_date": "2006-07",
      "has_results": false,
      "last_update_posted_date": "2016-10-26",
      "last_synced_at": "2026-09-10T02:12:13.934Z",
      "location_count": 26,
      "location_summary": "Montgomery, Alabama • Sheffield, Alabama • Phoenix, Arizona + 20 more",
      "locations": [
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Boynton Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00326248"
    },
    {
      "nct_id": "NCT02407600",
      "title": "Study Assessing Fosaprepitant in Advanced NSCLC Patients Treated With Carboplatin Based Chemotherapy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Non-small Cell Lung Cancer",
        "Vomiting",
        "Nausea",
        "Emesis"
      ],
      "interventions": [
        {
          "name": "FOSAPREPITANT (Emend)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ajeet Gajra",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2015-04",
      "completion_date": "2018-02",
      "has_results": false,
      "last_update_posted_date": "2015-04-03",
      "last_synced_at": "2026-09-10T02:12:13.934Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02407600"
    },
    {
      "nct_id": "NCT01736917",
      "title": "Fosaprepitant + 5HT3 Receptor Antagonists + Dexamethasone in Germ Cell Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chemotherapy-Induced Nausea and Vomiting"
      ],
      "interventions": [
        {
          "name": "Fosaprepitant",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "5HT3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lawrence Einhorn",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": null,
        "sex": "MALE",
        "summary": "15 Years and older · Male only"
      },
      "enrollment_count": 65,
      "start_date": "2013-01",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2016-05-25",
      "last_synced_at": "2026-09-10T02:12:13.934Z",
      "location_count": 4,
      "location_summary": "Indianapolis, Indiana • St Louis, Missouri • Omaha, Nebraska + 1 more",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Omaha",
          "state": "Nebraska"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01736917"
    }
  ]
}