{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cetirizine",
    "query": {
      "intervention": "Cetirizine"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 45,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Cetirizine&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T06:52:33.054Z",
  "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": "NCT07472413",
      "title": "Alternate Pre-med in Anti-Cluster of Differentiation 20 (CD20) Pilot Project",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "Cetirizine",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Miami",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2026-09-01",
      "completion_date": "2028-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-09-04T06:52:33.054Z",
      "location_count": 1,
      "location_summary": "Boca Raton, Florida",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07472413"
    },
    {
      "nct_id": "NCT04990388",
      "title": "Safety, Tolerability, and Pharmacokinetics of UX053 in Patients With Glycogen Storage Disease Type III (GSD III)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Glycogen Storage Disease Type III"
      ],
      "interventions": [
        {
          "name": "UX053",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Antipyretic",
          "type": "DRUG"
        },
        {
          "name": "H2 Blocker",
          "type": "DRUG"
        },
        {
          "name": "H1 Blocker",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Ultragenyx Pharmaceutical Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2021-10-18",
      "completion_date": "2023-03-20",
      "has_results": true,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-09-04T06:52:33.054Z",
      "location_count": 4,
      "location_summary": "Orange, California • Atlanta, Georgia • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04990388"
    },
    {
      "nct_id": "NCT02173249",
      "title": "A Single-Center, Open-Label, Study of the Plasma Pharmacokinetics and Safety of AC-170 0.24%",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "AC 170 0.24%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aciex Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 11,
      "start_date": "2014-06",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2017-09-14",
      "last_synced_at": "2026-09-04T06:52:33.054Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02173249"
    },
    {
      "nct_id": "NCT02132169",
      "title": "A Multi-Center Study Evaluating the Safety of AC-170 0.24%",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atopic Disease (Including Allergic Conjunctivitis)"
      ],
      "interventions": [
        {
          "name": "Drug: AC-170 0.24%",
          "type": "DRUG"
        },
        {
          "name": "AC-170 0%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aciex Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 512,
      "start_date": "2014-05",
      "completion_date": "2014-10",
      "has_results": true,
      "last_update_posted_date": "2017-09-11",
      "last_synced_at": "2026-09-04T06:52:33.054Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02132169"
    },
    {
      "nct_id": "NCT01916226",
      "title": "A Comparator Study of Fluticasone Propionate Nasal Spray Verses (vs) Cetirizine in the Treatment of Seasonal Allergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Rhinitis, Allergic, Perennial and Seasonal"
      ],
      "interventions": [
        {
          "name": "FPNS",
          "type": "DRUG"
        },
        {
          "name": "FPNS Placebo",
          "type": "DRUG"
        },
        {
          "name": "Cetirizine",
          "type": "DRUG"
        },
        {
          "name": "Cetirizine Placebo",
          "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": 682,
      "start_date": "2013-08-01",
      "completion_date": "2013-10-17",
      "has_results": true,
      "last_update_posted_date": "2018-06-20",
      "last_synced_at": "2026-09-04T06:52:33.054Z",
      "location_count": 31,
      "location_summary": "Little Rock, Arkansas • Denver, Colorado • Aventura, Florida + 27 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Aventura",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01916226"
    },
    {
      "nct_id": "NCT01551056",
      "title": "A Multi-Center Study Evaluating the Onset and Duration of Action of AC-170 0.24% Compared to Vehicle in the Conjunctival Allergen Challenge (CAC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Allergic Conjunctivitis"
      ],
      "interventions": [
        {
          "name": "AC-170 0.24%",
          "type": "DRUG"
        },
        {
          "name": "AC-170 0%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Aciex Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "10 Years and older"
      },
      "enrollment_count": 91,
      "start_date": "2012-03",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2017-11-07",
      "last_synced_at": "2026-09-04T06:52:33.054Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01551056"
    },
    {
      "nct_id": "NCT01981499",
      "title": "A Study of the Safety, Tolerability, Pharmacokinetics, And Effects On Histamine-Induced Wheal Of PF-05180999 In Healthy Adults",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Migraine"
      ],
      "interventions": [
        {
          "name": "PF-05180999",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "120 mg MR PF-05180999",
          "type": "DRUG"
        },
        {
          "name": "360 mg MR PF-05180999",
          "type": "DRUG"
        },
        {
          "name": "10 mg cetirizine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 31,
      "start_date": "2014-01",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2014-05-08",
      "last_synced_at": "2026-09-04T06:52:33.054Z",
      "location_count": 1,
      "location_summary": "Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01981499"
    },
    {
      "nct_id": "NCT03340740",
      "title": "The Effect of Cetirizine on Bronchoconstriction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Allergic Rhinitis",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Cetirizine Hydrochloride 1 MG/ML",
          "type": "DRUG"
        },
        {
          "name": "Placebo - Concentrate",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "New York City Health and Hospitals Corporation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "6 Years to 20 Years"
      },
      "enrollment_count": 40,
      "start_date": "2018-05-11",
      "completion_date": "2021-08-30",
      "has_results": false,
      "last_update_posted_date": "2022-10-18",
      "last_synced_at": "2026-09-04T06:52:33.054Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03340740"
    },
    {
      "nct_id": "NCT02865018",
      "title": "Neuromyelitis Optica (NMO) & Cetirizine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Neuromyelitis Optica"
      ],
      "interventions": [
        {
          "name": "cetirizine",
          "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": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 16,
      "start_date": "2014-04",
      "completion_date": "2016-02",
      "has_results": true,
      "last_update_posted_date": "2023-06-07",
      "last_synced_at": "2026-09-04T06:52:33.054Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02865018"
    },
    {
      "nct_id": "NCT01781507",
      "title": "Study of Bronchodilation Effects of Cetirizine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Allergic Rhinitis",
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Cetirizine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "California Allergy and Asthma Medical Group, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 21,
      "start_date": "2011-06",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2013-09-04",
      "last_synced_at": "2026-09-04T06:52:33.054Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01781507"
    }
  ]
}