{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Chlor-Trimeton.",
    "query": {
      "intervention": "Chlor-Trimeton."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 8,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T22:55:43.973Z",
  "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": "NCT00932256",
      "title": "Clinical Trial of STAHIST in Seasonal Allergic Rhinitis Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Rhinitis, Allergic, Seasonal"
      ],
      "interventions": [
        {
          "name": "STAHIST NDC #58407-536-01",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Magna Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 21,
      "start_date": "2009-10",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2010-12-08",
      "last_synced_at": "2026-09-13T22:55:43.973Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00932256"
    },
    {
      "nct_id": "NCT00853190",
      "title": "Fed Study of Chlorpheniramine Polistirex and Hydrocodone Polistirex Capsules and Tussionex® Pennkinetic® Extended Release Oral Suspension",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Chlorpheniramine polistirex equivalent to 8 mg of chlorpheniramine maleate and hydrocodone polistirex equivalent to 10 mg of hydrocodone bitartrate capsule",
          "type": "DRUG"
        },
        {
          "name": "5 mL chlorpheniramine (8 mg/5 mL)/hydrocodone (10 mg/5 mL) extended release oral suspension",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mallinckrodt",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2003-09",
      "completion_date": "2003-10",
      "has_results": false,
      "last_update_posted_date": "2016-10-19",
      "last_synced_at": "2026-09-13T22:55:43.973Z",
      "location_count": 1,
      "location_summary": "Saint Charles, Missouri",
      "locations": [
        {
          "city": "Saint Charles",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00853190"
    },
    {
      "nct_id": "NCT02722083",
      "title": "Exploratory Study for Allergy Relief Onset",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rhinitis, Allergic"
      ],
      "interventions": [
        {
          "name": "Chlorpheniramine maleate (BAY X002134)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bayer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 1,
      "start_date": "2016-05-07",
      "completion_date": "2016-07-13",
      "has_results": false,
      "last_update_posted_date": "2018-12-12",
      "last_synced_at": "2026-09-13T22:55:43.973Z",
      "location_count": 1,
      "location_summary": "Germantown, Tennessee",
      "locations": [
        {
          "city": "Germantown",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02722083"
    },
    {
      "nct_id": "NCT02082054",
      "title": "StahistRx Phase 2, Five-arm, Parallel Group, Active vs Active, Double-blind Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Rhinitis, Seasonal, Allergic"
      ],
      "interventions": [
        {
          "name": "PSE 120 mg, CM 8 mg, Atr 0.36 mg",
          "type": "DRUG"
        },
        {
          "name": "PSE 120 mg, CM 8 mg, Atr 0.24 mg",
          "type": "DRUG"
        },
        {
          "name": "PSE 120 mg, CM 8 mg, Atr 0.12 mg",
          "type": "DRUG"
        },
        {
          "name": "PSE 120 mg, CM 8 mg",
          "type": "DRUG"
        },
        {
          "name": "Atropine 0.24 mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Magna Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "12 Years to 60 Years"
      },
      "enrollment_count": 125,
      "start_date": "2014-03",
      "completion_date": "2014-05",
      "has_results": false,
      "last_update_posted_date": "2014-05-30",
      "last_synced_at": "2026-09-13T22:55:43.973Z",
      "location_count": 4,
      "location_summary": "Stockbridge, Georgia • Louisville, Kentucky • Charleston, South Carolina + 1 more",
      "locations": [
        {
          "city": "Stockbridge",
          "state": "Georgia"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "New Braunfels",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02082054"
    },
    {
      "nct_id": "NCT05858216",
      "title": "First-generation OTC Antihistamine Use and Voice Function: A Preliminary Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Voice Disorder Due to Iatrogenic Factor"
      ],
      "interventions": [
        {
          "name": "Chlor-Trimeton.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Auburn 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": 8,
      "start_date": "2023-06-13",
      "completion_date": "2024-04-23",
      "has_results": false,
      "last_update_posted_date": "2024-04-24",
      "last_synced_at": "2026-09-13T22:55:43.973Z",
      "location_count": 1,
      "location_summary": "Auburn, Alabama",
      "locations": [
        {
          "city": "Auburn",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05858216"
    },
    {
      "nct_id": "NCT04790487",
      "title": "Chlorpheniramine Maleate Nasal Spray for Chronic Rhinitis",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Allergic Rhinitis",
        "Nasal Congestion"
      ],
      "interventions": [
        {
          "name": "CPM",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Larkin Community Hospital",
      "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": 0,
      "start_date": "2019-07-30",
      "completion_date": "2021-12-30",
      "has_results": false,
      "last_update_posted_date": "2023-10-16",
      "last_synced_at": "2026-09-13T22:55:43.973Z",
      "location_count": 1,
      "location_summary": "South Miami, Florida",
      "locations": [
        {
          "city": "South Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04790487"
    },
    {
      "nct_id": "NCT01008397",
      "title": "Study of AHIST in Seasonal Allergic Rhinitis Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Rhinitis, Allergic, Seasonal"
      ],
      "interventions": [
        {
          "name": "AHIST NDC#58407-012-01",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Magna Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 0,
      "start_date": "2011-04",
      "completion_date": "2011-05",
      "has_results": false,
      "last_update_posted_date": "2014-03-06",
      "last_synced_at": "2026-09-13T22:55:43.973Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01008397"
    },
    {
      "nct_id": "NCT02033707",
      "title": "Effects of Hallucinogens and Other Drugs on Mood and Performance",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Hallucinogens and psychoactive substances",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "21 Years to 50 Years"
      },
      "enrollment_count": 20,
      "start_date": "2014-04",
      "completion_date": "2019-02",
      "has_results": false,
      "last_update_posted_date": "2019-05-16",
      "last_synced_at": "2026-09-13T22:55:43.973Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02033707"
    }
  ]
}