{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=0.1%25+azelastine+hydrochloride",
    "query": {
      "intervention": "0.1% azelastine hydrochloride"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-29T19:29:16.381Z",
  "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": "NCT00712920",
      "title": "A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Perennial Allergies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Perennial Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "0.15% azelastine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "0.1% azelastine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Meda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 581,
      "start_date": "2007-01",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2011-06-08",
      "last_synced_at": "2026-09-29T19:29:16.381Z",
      "location_count": 43,
      "location_summary": "Huntington Beach, California • Long Beach, California • Los Angeles, California + 35 more",
      "locations": [
        {
          "city": "Huntington Beach",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00712920"
    },
    {
      "nct_id": "NCT01368445",
      "title": "A Study to Evaluate the Safety and Efficacy of a Nasal Spray to Treat Seasonal Allergies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "azelastine hydrochloride 0.15% Nasal Spray",
          "type": "DRUG"
        },
        {
          "name": "azelastine hydrochloride 0.15% and Placebo",
          "type": "DRUG"
        },
        {
          "name": "Azelastine 0.1%, Nasal Spray",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Meda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 617,
      "start_date": "2006-08",
      "completion_date": "2008-04",
      "has_results": false,
      "last_update_posted_date": "2011-10-06",
      "last_synced_at": "2026-09-29T19:29:16.381Z",
      "location_count": 30,
      "location_summary": "Fountain Valley, California • Long Beach, California • Los Angeles, California + 26 more",
      "locations": [
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Roseville",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01368445"
    },
    {
      "nct_id": "NCT00720278",
      "title": "A Study to Evaluate the Safety and Efficacy of Two Nasal Sprays to Treat Seasonal Allergies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "0.15% azelastine hydrochloride 1644 mcg daily",
          "type": "DRUG"
        },
        {
          "name": "0.1% azelastine hydrochloride 1096 mcg daily",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Meda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 526,
      "start_date": "2007-08",
      "completion_date": "2007-11",
      "has_results": true,
      "last_update_posted_date": "2010-03-02",
      "last_synced_at": "2026-09-29T19:29:16.381Z",
      "location_count": 29,
      "location_summary": "Oxford, Alabama • Encinitas, California • Los Angeles, California + 25 more",
      "locations": [
        {
          "city": "Oxford",
          "state": "Alabama"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00720278"
    },
    {
      "nct_id": "NCT00845195",
      "title": "Comparison of Seasonal Allergic Rhinitis Treatment With 2 Antihistamines Used in Combination With Intranasal Corticosteroid",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Seasonal Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Olopatadine HCl Nasal Spray, 0.6%",
          "type": "DRUG"
        },
        {
          "name": "Azelastine HCl Nasal Spray, 0.1%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alcon Research",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2009-03",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2010-04-27",
      "last_synced_at": "2026-09-29T19:29:16.381Z",
      "location_count": 1,
      "location_summary": "Fort Worth, Texas",
      "locations": [
        {
          "city": "Fort Worth",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00845195"
    },
    {
      "nct_id": "NCT01880840",
      "title": "Safety of Astepro 0.15% Nasal Spray and Astepro 0.1% Nasal Spray in Children Ages >6 Months to <6 Years With AR",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Allergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "205.5 mcg of azelastine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "137 mcg of azelastine hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Meda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "6 Months to 5 Years"
      },
      "enrollment_count": 191,
      "start_date": "2013-06",
      "completion_date": "2014-08",
      "has_results": true,
      "last_update_posted_date": "2015-06-29",
      "last_synced_at": "2026-09-29T19:29:16.381Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Little Rock, Alaska • Costa Mesa, California + 9 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Alaska"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01880840"
    },
    {
      "nct_id": "NCT00783432",
      "title": "Study to Evaluate the Safety and Tolerability of a Nasal Spray in Patients With Chronic Allergic or Nonallergic Rhinitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Allergic Rhinitis",
        "Nonallergic Rhinitis"
      ],
      "interventions": [
        {
          "name": "Astepro Nasal Spray (0.1% azelastine hydrochloride)",
          "type": "DRUG"
        },
        {
          "name": "Astelin Nasal Spray (0.1% azelastine hydrochloride)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Meda Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 862,
      "start_date": "2006-07",
      "completion_date": "2007-12",
      "has_results": true,
      "last_update_posted_date": "2009-10-06",
      "last_synced_at": "2026-09-29T19:29:16.381Z",
      "location_count": 1,
      "location_summary": "Somerset, New Jersey",
      "locations": [
        {
          "city": "Somerset",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00783432"
    }
  ]
}