{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Neurokinin-1+receptor+antagonist",
    "query": {
      "intervention": "Neurokinin-1 receptor antagonist"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 48,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Neurokinin-1+receptor+antagonist&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-30T23:58:45.271Z",
  "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": "NCT03568331",
      "title": "Evaluating the Effects of Tradipitant vs. Placebo in Atopic Dermatitis (EPIONE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atopic Dermatitis"
      ],
      "interventions": [
        {
          "name": "Tradipitant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 375,
      "start_date": "2018-07-09",
      "completion_date": "2019-12-27",
      "has_results": true,
      "last_update_posted_date": "2024-05-13",
      "last_synced_at": "2026-09-30T23:58:45.271Z",
      "location_count": 70,
      "location_summary": "Birmingham, Alabama • Tempe, Arizona • Encino, California + 60 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tempe",
          "state": "Arizona"
        },
        {
          "city": "Encino",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03568331"
    },
    {
      "nct_id": "NCT00310427",
      "title": "Effect of LY686017 on Alcohol Craving",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Alcohol Dependence",
        "Alcoholism"
      ],
      "interventions": [
        {
          "name": "LY686017",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute on Alcohol Abuse and Alcoholism (NIAAA)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 66,
      "start_date": "2006-03",
      "completion_date": "2008-03",
      "has_results": true,
      "last_update_posted_date": "2010-04-20",
      "last_synced_at": "2026-09-30T23:58:45.271Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00310427"
    },
    {
      "nct_id": "NCT03836001",
      "title": "A Neurokinin-1 Receptor Antagonist for the Treatment of Pruritus in Patients With Epidermolysis Bullosa",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Epidermolysis Bullosa"
      ],
      "interventions": [
        {
          "name": "Serlopitant Tablet",
          "type": "DRUG"
        },
        {
          "name": "Placebo Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2019-04-18",
      "completion_date": "2022-06-24",
      "has_results": true,
      "last_update_posted_date": "2023-02-14",
      "last_synced_at": "2026-09-30T23:58:45.271Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03836001"
    },
    {
      "nct_id": "NCT00547612",
      "title": "Positron Emission Tomography Using [18F]-Labeled Substance P Antagonist Receptor Quantifier in Finding Disease in Patients With Pancreatic Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Pancreatic Cancer"
      ],
      "interventions": [
        {
          "name": "high performance liquid chromatography",
          "type": "OTHER"
        },
        {
          "name": "pharmacological study",
          "type": "OTHER"
        },
        {
          "name": "[18F]-labeled substance P antagonist receptor quantifier",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 33,
      "start_date": "2007-09",
      "completion_date": "2008-12",
      "has_results": false,
      "last_update_posted_date": "2012-03-16",
      "last_synced_at": "2026-09-30T23:58:45.271Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00547612"
    },
    {
      "nct_id": "NCT06780111",
      "title": "Substudy 06E: Umbrella Study of Combination Therapies in Esophageal Cancer (MK-3475-06E/KEYMAKER-U06)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Squamous Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Pembrolizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "I-DXd",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Leucovorin",
          "type": "DRUG"
        },
        {
          "name": "Levoleucovorin",
          "type": "DRUG"
        },
        {
          "name": "5-Fluorouracil (5-FU)",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        },
        {
          "name": "Sacituzumab tirumotecan",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rescue Medication",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 298,
      "start_date": "2025-07-30",
      "completion_date": "2032-01-04",
      "has_results": false,
      "last_update_posted_date": "2026-09-17",
      "last_synced_at": "2026-09-30T23:58:45.271Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06780111"
    },
    {
      "nct_id": "NCT06445972",
      "title": "Substudy 06D: Combination Therapies in Second Line (2L) Gastroesophageal Adenocarcinoma (MK-3475-06D/Keymaker-U06)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Gastroesophageal Junction",
        "Gastroesophageal Adenocarcinoma",
        "Esophageal Neoplasms",
        "Esophageal Cancer"
      ],
      "interventions": [
        {
          "name": "Ramucirumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Paclitaxel",
          "type": "DRUG"
        },
        {
          "name": "Sacituzumab Tirumotecan",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Rescue Medications",
          "type": "DRUG"
        },
        {
          "name": "HER3-DXd",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "Merck Sharp & Dohme LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 210,
      "start_date": "2024-08-07",
      "completion_date": "2030-08-08",
      "has_results": false,
      "last_update_posted_date": "2026-09-03",
      "last_synced_at": "2026-09-30T23:58:45.271Z",
      "location_count": 8,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Louisville, Kentucky + 5 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "East Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06445972"
    },
    {
      "nct_id": "NCT04849559",
      "title": "Effects of Tradipitant on Satiation, Gastric Volume, Gastric Accommodation, and Gastric Emptying in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "Tradipitant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 27,
      "start_date": "2021-02-01",
      "completion_date": "2021-09-24",
      "has_results": true,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-09-30T23:58:45.271Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04849559"
    },
    {
      "nct_id": "NCT00274690",
      "title": "Post-Operative Nausea And Vomiting Study In Female Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postoperative Nausea and Vomiting",
        "Nausea and Vomiting, Postoperative"
      ],
      "interventions": [
        {
          "name": "GW679769",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 435,
      "start_date": "2005-02",
      "completion_date": "2005-08",
      "has_results": false,
      "last_update_posted_date": "2017-01-20",
      "last_synced_at": "2026-09-30T23:58:45.271Z",
      "location_count": 11,
      "location_summary": "San Francisco, California • Melbourne, Florida • West Palm Beach, Florida + 8 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Melbourne",
          "state": "Florida"
        },
        {
          "city": "West Palm Beach",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00274690"
    },
    {
      "nct_id": "NCT04503668",
      "title": "Olanzapine for the Prevention of Chemotherapy Induced Nausea and Vomiting in Gynecologic Oncology Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Gynecologic Cancer"
      ],
      "interventions": [
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Neurokinin-1 Receptor Antagonist (NK1-RA)",
          "type": "DRUG"
        },
        {
          "name": "Olanzapine",
          "type": "DRUG"
        },
        {
          "name": "Compazine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan Rogel Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 89 Years · Female only"
      },
      "enrollment_count": 62,
      "start_date": "2020-12-28",
      "completion_date": "2024-03-11",
      "has_results": true,
      "last_update_posted_date": "2025-06-18",
      "last_synced_at": "2026-09-30T23:58:45.271Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04503668"
    },
    {
      "nct_id": "NCT05653310",
      "title": "Tradipitant for Functional Dyspepsia",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Functional Dyspepsia"
      ],
      "interventions": [
        {
          "name": "Tradipitant",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Xiao Jing (Iris) Wang",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 60,
      "start_date": "2023-02-09",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-07-16",
      "last_synced_at": "2026-09-30T23:58:45.271Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05653310"
    }
  ]
}