{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Seasonal+Allergic+Rhinitis&page=5", "query": { "condition": "Seasonal Allergic Rhinitis", "page": 5 }, "page_size": 10 }, "pagination": { "page": 5, "page_size": 10, "total_count": 128, "total_pages": 13, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Seasonal+Allergic+Rhinitis&page=6&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Seasonal+Allergic+Rhinitis&page=4&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-09T07:25:27.869Z", "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": "NCT00653224", "title": "A Study Evaluating the Efficacy and Impact on Health-related Quality of Life of Levocetirizine in Adults With Seasonal Allergic Rhinitis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Seasonal Allergic Rhinitis" ], "interventions": [ { "name": "levocetirizine dihydrochloride", "type": "DRUG" }, { "name": "placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "UCB Pharma", "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": 580, "start_date": "2008-04", "completion_date": "2008-07", "has_results": true, "last_update_posted_date": "2011-08-31", "last_synced_at": "2026-10-09T07:25:27.869Z", "location_count": 38, "location_summary": "Tucson, Arizona • Los Angeles, California • Sacramento, California + 35 more", "locations": [ { "city": "Tucson", "state": "Arizona" }, { "city": "Los Angeles", "state": "California" }, { "city": "Sacramento", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "San Jose", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00653224" }, { "nct_id": "NCT00658918", "title": "To Assess the Safety of Ciclesonide, Applied as a Nasal Spray at Three Dose Levels, in the Treatment of Perennial Allergic Rhinitis in Pediatrics (BY9010/M1-405)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Rhinitis, Allergic, Perennial", "Hay Fever" ], "interventions": [ { "name": "Ciclesonide nasal", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "AstraZeneca", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "2 Years", "maximum_age": "5 Years", "sex": "ALL", "summary": "2 Years to 5 Years" }, "enrollment_count": 120, "start_date": "2004-09", "completion_date": "2005-11", "has_results": false, "last_update_posted_date": "2016-12-02", "last_synced_at": "2026-10-09T07:25:27.869Z", "location_count": 1, "location_summary": "Little Rock, Arkansas", "locations": [ { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00658918" }, { "nct_id": "NCT00790023", "title": "Clinical Trial to Assess the Efficacy and Safety of Ciclesonide Hydrofluoroalkane (HFA) Nasal Aerosol for the Treatment of Seasonal Allergic Rhinitis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Seasonal Allergic Rhinitis" ], "interventions": [ { "name": "80 mcg Ciclesonide", "type": "DRUG" }, { "name": "160 mcg Ciclesonide", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Sumitomo Pharma America, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 707, "start_date": "2008-11", "completion_date": "2009-02", "has_results": true, "last_update_posted_date": "2016-04-08", "last_synced_at": "2026-10-09T07:25:27.869Z", "location_count": 4, "location_summary": "Austin, Texas • Kerrville, Texas • New Braunfels, Texas + 1 more", "locations": [ { "city": "Austin", "state": "Texas" }, { "city": "Kerrville", "state": "Texas" }, { "city": "New Braunfels", "state": "Texas" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00790023" }, { "nct_id": "NCT00660517", "title": "A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Seasonal Allergic Rhinitis" ], "interventions": [ { "name": "MP29-02", "type": "DRUG" }, { "name": "azelastine Hcl", "type": "DRUG" }, { "name": "fluticasone propionate", "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": 607, "start_date": "2007-12", "completion_date": "2008-04", "has_results": true, "last_update_posted_date": "2012-07-27", "last_synced_at": "2026-10-09T07:25:27.869Z", "location_count": 7, "location_summary": "Austin, Texas • New Braunfels, Texas • San Antonio, Texas + 1 more", "locations": [ { "city": "Austin", "state": "Texas" }, { "city": "New Braunfels", "state": "Texas" }, { "city": "San Antonio", "state": "Texas" }, { "city": "San Antonio", "state": "Texas" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00660517" }, { "nct_id": "NCT00917020", "title": "The Effect of Nasal Carbon Dioxide (CO2) Used As-Needed in the Symptomatic Treatment of Seasonal Allergic Rhinitis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Seasonal Allergic Rhinitis" ], "interventions": [ { "name": "Nasal CO2", "type": "DRUG" }, { "name": "Inactive Placebo Gas", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Capnia, Inc.", "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": 32, "start_date": "2009-07", "completion_date": "2009-11", "has_results": false, "last_update_posted_date": "2012-08-15", "last_synced_at": "2026-10-09T07:25:27.869Z", "location_count": 1, "location_summary": "St Louis, Missouri", "locations": [ { "city": "St Louis", "state": "Missouri" } ], "official_url": "https://clinicaltrials.gov/study/NCT00917020" }, { "nct_id": "NCT00807053", "title": "Dose-ranging Study to Assess the Efficacy and Safety of Ciclesonide HFA Nasal Aerosol in Adult and Adolescent Patients 12 Years and Older With Seasonal Allergic Rhinitis (SAR) (BY9010/M1-602)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Rhinitis, Allergic, Seasonal" ], "interventions": [ { "name": "Ciclesonide HFA", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "AstraZeneca", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 480, "start_date": "2007-04", "completion_date": "2007-07", "has_results": false, "last_update_posted_date": "2016-12-05", "last_synced_at": "2026-10-09T07:25:27.869Z", "location_count": 31, "location_summary": "Mission Viejo, California • Orange, California • San Diego, California + 28 more", "locations": [ { "city": "Mission Viejo", "state": "California" }, { "city": "Orange", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Colorado Springs", "state": "Colorado" }, { "city": "Denver", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT00807053" }, { "nct_id": "NCT00648973", "title": "To Determine if Diphenhydramine Works for Nasal Congestion at Two Different Doses", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Nasal Congestion" ], "interventions": [ { "name": "Diphenhydramine 50 mg", "type": "DRUG" }, { "name": "Diphenhydramine 25 mg", "type": "DRUG" }, { "name": "Pseudoephedrine 120 mg", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Johnson & Johnson Consumer and Personal Products Worldwide", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": "65 Years", "sex": "ALL", "summary": "12 Years to 65 Years" }, "enrollment_count": 1021, "start_date": "2006-11", "completion_date": "2007-05", "has_results": false, "last_update_posted_date": "2011-08-22", "last_synced_at": "2026-10-09T07:25:27.869Z", "location_count": 12, "location_summary": "Austin, Texas • Dallas, Texas • Kerrville, Texas + 4 more", "locations": [ { "city": "Austin", "state": "Texas" }, { "city": "Austin", "state": "Texas" }, { "city": "Austin", "state": "Texas" }, { "city": "Dallas", "state": "Texas" }, { "city": "Kerrville", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00648973" }, { "nct_id": "NCT00883168", "title": "A Study to Evaluate the Safety and Effectiveness of a Nasal Spray to Treat Seasonal Allergies", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Seasonal Allergic Rhinitis" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "azelastineHcl", "type": "DRUG" }, { "name": "fluticasone propionate", "type": "DRUG" }, { "name": "azelastine Hcl/fluticasone propionate", "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": 1791, "start_date": "2009-04", "completion_date": "2009-07", "has_results": true, "last_update_posted_date": "2013-06-24", "last_synced_at": "2026-10-09T07:25:27.869Z", "location_count": 45, "location_summary": "Scottsdale, Arizona • Encinitas, California • Fountain Valley, California + 35 more", "locations": [ { "city": "Scottsdale", "state": "Arizona" }, { "city": "Encinitas", "state": "California" }, { "city": "Fountain Valley", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00883168" }, { "nct_id": "NCT00247520", "title": "Safety and Efficacy Study of rEV131 in Allergic Rhinitis", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Hay Fever" ], "interventions": [ { "name": "topical nasal rEV131", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Evolutec Group", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "80 Years", "sex": "ALL", "summary": "18 Years to 80 Years" }, "enrollment_count": 112, "start_date": "2005-05", "completion_date": "2005-08", "has_results": false, "last_update_posted_date": "2005-11-02", "last_synced_at": "2026-10-09T07:25:27.869Z", "location_count": 2, "location_summary": "San Antonio, Texas", "locations": [ { "city": "San Antonio", "state": "Texas" }, { "city": "San Antonio", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00247520" }, { "nct_id": "NCT01915823", "title": "Safety and Efficacy Trial of Dymista Nasal Spray in Children Ages 4 to 11 With Seasonal Allergic Rhinitis (SAR)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Seasonal Allergic Rhinitis" ], "interventions": [ { "name": "azelastine hydrochloride and fluticasone propionate", "type": "DRUG" }, { "name": "Dymista vehicle", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Meda Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "4 Years", "maximum_age": "11 Years", "sex": "ALL", "summary": "4 Years to 11 Years" }, "enrollment_count": 348, "start_date": "2013-07", "completion_date": null, "has_results": true, "last_update_posted_date": "2015-06-29", "last_synced_at": "2026-10-09T07:25:27.869Z", "location_count": 31, "location_summary": "Birmingham, Alabama • Little Rock, Alaska • Atlanta, Georgia + 24 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Little Rock", "state": "Alaska" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "Savannah", "state": "Georgia" }, { "city": "Stockbridge", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT01915823" } ] }