{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hydroxyzine+Hydrochloride&page=2",
    "query": {
      "intervention": "Hydroxyzine Hydrochloride",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 42,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hydroxyzine+Hydrochloride&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hydroxyzine+Hydrochloride&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T15:22:14.524Z",
  "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": "NCT00776022",
      "title": "Bioequivalence Study of Cetirizine Hydrochloride 10mg Tablets Under Fed Conditions",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Cetirizine Hydrochloride 10 mg tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ranbaxy Laboratories Limited",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": null,
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 32,
      "start_date": "2005-04",
      "completion_date": "2005-06",
      "has_results": false,
      "last_update_posted_date": "2010-03-02",
      "last_synced_at": "2026-10-02T15:22:14.524Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00776022"
    },
    {
      "nct_id": "NCT02613910",
      "title": "Long-Term Extension Study of Ofatumumab in Subjects With Pemphigus Vulgaris",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pemphigus"
      ],
      "interventions": [
        {
          "name": "Ofatumumab",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen/paracetamol",
          "type": "DRUG"
        },
        {
          "name": "Antihistamine (cetirizine or equivalent)",
          "type": "DRUG"
        },
        {
          "name": "Prednisone/Prednisolone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1,
      "start_date": "2015-12-23",
      "completion_date": "2016-03-23",
      "has_results": true,
      "last_update_posted_date": "2017-06-14",
      "last_synced_at": "2026-10-02T15:22:14.524Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02613910"
    },
    {
      "nct_id": "NCT03192488",
      "title": "Effect of an H1 Receptor Antagonist on Exercise Performance in Hypoxia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypoxia, Altitude"
      ],
      "interventions": [
        {
          "name": "Cetirizine",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "DRUG"
        },
        {
          "name": "Hypoxia",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 13,
      "start_date": "2017-08-31",
      "completion_date": "2018-06-06",
      "has_results": true,
      "last_update_posted_date": "2020-06-16",
      "last_synced_at": "2026-10-02T15:22:14.524Z",
      "location_count": 1,
      "location_summary": "Bloomington, Indiana",
      "locations": [
        {
          "city": "Bloomington",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03192488"
    },
    {
      "nct_id": "NCT00650065",
      "title": "Fasting Study of Cetirizine HCl Tablets 10 mg and Zyrtec® Tablets 10 mg",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Cetirizine HCl Tablets 10 mg",
          "type": "DRUG"
        },
        {
          "name": "Zyrtec® Tablets 10 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mylan Pharmaceuticals Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2002-11",
      "completion_date": "2002-12",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-10-02T15:22:14.524Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00650065"
    },
    {
      "nct_id": "NCT04189588",
      "title": "Phase 2 Study IV QUZYTTIR™ (Cetirizine Hydrochloride Injection) vs V Diphenhydramine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Oncology Patients Receiving Chemotherapy"
      ],
      "interventions": [
        {
          "name": "Cetirizine HCl 10 mg/mL",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine 50 mg/mL",
          "type": "DRUG"
        },
        {
          "name": "anti-CD20 such as Rituximab or Paclitaxel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "TerSera Therapeutics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34,
      "start_date": "2020-03-25",
      "completion_date": "2020-12-23",
      "has_results": true,
      "last_update_posted_date": "2023-10-06",
      "last_synced_at": "2026-10-02T15:22:14.524Z",
      "location_count": 7,
      "location_summary": "Napa, California • Rancho Mirage, California • Santa Rosa, California + 4 more",
      "locations": [
        {
          "city": "Napa",
          "state": "California"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        },
        {
          "city": "Santa Rosa",
          "state": "California"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Round Rock",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04189588"
    },
    {
      "nct_id": "NCT02756624",
      "title": "A Multi-Center, Vehicle-Controlled, Parallel-Group Study Evaluating the Safety of AC-170 Ophthalmic Solution",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "AC-170 0.24%",
          "type": "DRUG"
        },
        {
          "name": "AC-170 Vehicle",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nicox Ophthalmics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "2 Years and older"
      },
      "enrollment_count": 516,
      "start_date": "2016-04",
      "completion_date": "2016-08",
      "has_results": true,
      "last_update_posted_date": "2017-09-11",
      "last_synced_at": "2026-10-02T15:22:14.524Z",
      "location_count": 1,
      "location_summary": "Andover, Massachusetts",
      "locations": [
        {
          "city": "Andover",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02756624"
    },
    {
      "nct_id": "NCT00826943",
      "title": "Is Levocetirizine Less Sedating Than Cetirizine?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Cetirizine",
          "type": "DRUG"
        },
        {
          "name": "Levocetirizine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "77 Years",
        "sex": "ALL",
        "summary": "18 Years to 77 Years"
      },
      "enrollment_count": 30,
      "start_date": "2009-01",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2014-02-20",
      "last_synced_at": "2026-10-02T15:22:14.524Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00826943"
    },
    {
      "nct_id": "NCT05126459",
      "title": "A Comparison of Oral Sedation-related Events of Three Multiagent Oral Sedation Regimens in Pediatric Dental Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Anxiety, Dental",
        "Dental Decay"
      ],
      "interventions": [
        {
          "name": "Regimen 1",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Regimen #2",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Regimen #3",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "7 Years",
        "sex": "ALL",
        "summary": "3 Years to 7 Years"
      },
      "enrollment_count": 60,
      "start_date": "2022-02-14",
      "completion_date": "2023-04-12",
      "has_results": true,
      "last_update_posted_date": "2024-10-02",
      "last_synced_at": "2026-10-02T15:22:14.524Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05126459"
    },
    {
      "nct_id": "NCT04836806",
      "title": "Cetirizine and Famotidine for COVID-19",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Cetirizine and Famotidine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2021-08",
      "completion_date": "2022-07",
      "has_results": false,
      "last_update_posted_date": "2021-08-20",
      "last_synced_at": "2026-10-02T15:22:14.524Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04836806"
    },
    {
      "nct_id": "NCT02023164",
      "title": "Pilot Phase III Clinical Trial of JDP-205 IV Injection for Treatment of Acute Urticaria",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Urticaria"
      ],
      "interventions": [
        {
          "name": "JDP-205 Injection",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "JDP Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2013-07",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2024-02-09",
      "last_synced_at": "2026-10-02T15:22:14.524Z",
      "location_count": 2,
      "location_summary": "Cincinnati, Ohio • Columbus, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02023164"
    }
  ]
}