{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rhinitis%2C+Seasonal%2C+Allergic&page=4", "query": { "condition": "Rhinitis, Seasonal, Allergic", "page": 4 }, "page_size": 10 }, "pagination": { "page": 4, "page_size": 10, "total_count": 128, "total_pages": 13, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rhinitis%2C+Seasonal%2C+Allergic&page=5&page_size=10", "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Rhinitis%2C+Seasonal%2C+Allergic&page=3&page_size=10" }, "source": "remote", "last_synced_at": "2026-10-07T06:10:29.532Z", "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": "NCT00578929", "title": "Safety and Efficacy of Olopatadine HCl Nasal Spray in 6-11 Year Old Patients", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Seasonal Allergic Rhinitis" ], "interventions": [ { "name": "Olopatadine Hydrochloride Nasal Spray 0.6%", "type": "DRUG" }, { "name": "Vehicle", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Alcon Research", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "6 Years", "maximum_age": "11 Years", "sex": "ALL", "summary": "6 Years to 11 Years" }, "enrollment_count": 2388, "start_date": "2007-09", "completion_date": null, "has_results": true, "last_update_posted_date": "2010-03-02", "last_synced_at": "2026-10-07T06:10:29.532Z", "location_count": 1, "location_summary": "Kenilworth, Illinois", "locations": [ { "city": "Kenilworth", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT00578929" }, { "nct_id": "NCT01293201", "title": "Trial of STAHIST in Seasonal Allergic Rhinitis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Seasonal Allergic Rhinitis" ], "interventions": [ { "name": "STAHIST", "type": "DRUG" }, { "name": "Placebo", "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": 290, "start_date": "2011-03", "completion_date": "2011-08", "has_results": false, "last_update_posted_date": "2011-09-02", "last_synced_at": "2026-10-07T06:10:29.532Z", "location_count": 8, "location_summary": "Stockbridge, Georgia • South Bend, Indiana • Louisville, Kentucky + 5 more", "locations": [ { "city": "Stockbridge", "state": "Georgia" }, { "city": "South Bend", "state": "Indiana" }, { "city": "Louisville", "state": "Kentucky" }, { "city": "Somerset", "state": "Kentucky" }, { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT01293201" }, { "nct_id": "NCT01852513", "title": "Allergic Rhinitis Changes the Sinus Microbiome", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Seasonal Allergic Rhinitis" ], "interventions": [ { "name": "QNASL", "type": "DRUG" }, { "name": "Placebo nasal spray", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "University of Chicago", "sponsor_class": "OTHER", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "55 Years", "sex": "ALL", "summary": "18 Years to 55 Years" }, "enrollment_count": 39, "start_date": "2013-01", "completion_date": "2014-06", "has_results": true, "last_update_posted_date": "2020-10-09", "last_synced_at": "2026-10-07T06:10:29.532Z", "location_count": 1, "location_summary": "Chicago, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT01852513" }, { "nct_id": "NCT01038427", "title": "A Study Comparing the Clinical Equivalence of Two Mometasone Nasal Sprays in the Relief of the Signs and Symptoms of Seasonal Allergic Rhinitis", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Rhinitis, Allergic, Seasonal" ], "interventions": [ { "name": "Mometasone furoate 50 mcg/actuation nasal spray (Lek Pharmaceuticals)", "type": "DRUG" }, { "name": "Mometasone furoate (Nasonex®) 50 mcg/actuation nasal spray", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Sandoz", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 795, "start_date": "2009-12-02", "completion_date": "2010-02-16", "has_results": true, "last_update_posted_date": "2021-02-03", "last_synced_at": "2026-10-07T06:10:29.532Z", "location_count": 8, "location_summary": "Austin, Texas • Kerrville, Texas • Live Oak, Texas + 3 more", "locations": [ { "city": "Austin", "state": "Texas" }, { "city": "Austin", "state": "Texas" }, { "city": "Kerrville", "state": "Texas" }, { "city": "Live Oak", "state": "Texas" }, { "city": "New Braunfels", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01038427" }, { "nct_id": "NCT02631551", "title": "Efficacy and Safety of Fixed Dose Combination GSP 301 Nasal Spray (NS) in the Treatment of Seasonal Allergic Rhinitis (SAR)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Seasonal Allergic Rhinitis" ], "interventions": [ { "name": "GSP 301 NS", "type": "DRUG" }, { "name": "Olopatadine HCl NS", "type": "DRUG" }, { "name": "Mometasone furoate NS", "type": "DRUG" }, { "name": "GSP 301 Placebo NS", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Glenmark Specialty S.A.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 1180, "start_date": "2016-03", "completion_date": "2016-07", "has_results": true, "last_update_posted_date": "2018-09-25", "last_synced_at": "2026-10-07T06:10:29.532Z", "location_count": 37, "location_summary": "Mission Viejo, California • San Diego, California • San Jose, California + 28 more", "locations": [ { "city": "Mission Viejo", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Jose", "state": "California" }, { "city": "Centennial", "state": "Colorado" }, { "city": "Colorado Springs", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT02631551" }, { "nct_id": "NCT00296530", "title": "Study Of Patients With Allergic Rhinitis And Asthma", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Asthma" ], "interventions": [ { "name": "fluticasone propionate/salmeterol", "type": "DRUG" }, { "name": "fluticasone propionate", "type": "DRUG" }, { "name": "montelukast", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "15 Years", "maximum_age": null, "sex": "ALL", "summary": "15 Years and older" }, "enrollment_count": 600, "start_date": "2005-09", "completion_date": "2007-07", "has_results": false, "last_update_posted_date": "2016-10-28", "last_synced_at": "2026-10-07T06:10:29.532Z", "location_count": 80, "location_summary": "Ozark, Alabama • Tempe, Arizona • Little Rock, Arkansas + 67 more", "locations": [ { "city": "Ozark", "state": "Alabama" }, { "city": "Tempe", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Fountain Valley", "state": "California" }, { "city": "Huntington Beach", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00296530" }, { "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": "2026-10-07T06:10:29.532Z", "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": "NCT00839189", "title": "Effect of a 10,000 EU Dose of Endotoxin in Allergic and Mildly Asthmatic Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Rhinitis, Allergic, Perennial", "Rhinitis, Allergic, Seasonal", "Asthma" ], "interventions": [ { "name": "Clinical Center Reference Endotoxin (CCRE)", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "University of North Carolina, Chapel Hill", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 11, "start_date": "2002-10", "completion_date": "2006-06", "has_results": false, "last_update_posted_date": "2009-12-09", "last_synced_at": "2026-10-07T06:10:29.532Z", "location_count": 1, "location_summary": "Chapel Hill, North Carolina", "locations": [ { "city": "Chapel Hill", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT00839189" }, { "nct_id": "NCT00651118", "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": "azelastine Hcl", "type": "DRUG" }, { "name": "azelastineHcl / fluticasone propionate", "type": "DRUG" }, { "name": "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": 832, "start_date": "2008-03", "completion_date": "2008-07", "has_results": true, "last_update_posted_date": "2012-09-26", "last_synced_at": "2026-10-07T06:10:29.532Z", "location_count": 43, "location_summary": "Scottsdale, Arizona • Encinitas, California • Los Angeles, California + 38 more", "locations": [ { "city": "Scottsdale", "state": "Arizona" }, { "city": "Encinitas", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Mission Viejo", "state": "California" }, { "city": "Rolling Hills Estates", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00651118" }, { "nct_id": "NCT01500629", "title": "Study of a Topical Nasal Spray to Ease the Symptoms of Hayfever", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "EARLY_PHASE1" ], "conditions": [ "Rhinitis, Allergic, Seasonal" ], "interventions": [ { "name": "C-1266-7", "type": "DEVICE" }, { "name": "C-1266-6 (placebo)", "type": "DEVICE" } ], "intervention_types": [ "DEVICE" ], "sponsor": "McNeil Consumer Healthcare Division of McNEIL-PPC, 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": 21, "start_date": "2012-01", "completion_date": "2012-12", "has_results": true, "last_update_posted_date": "2017-02-27", "last_synced_at": "2026-10-07T06:10:29.532Z", "location_count": 1, "location_summary": "Chicago, Illinois", "locations": [ { "city": "Chicago", "state": "Illinois" } ], "official_url": "https://clinicaltrials.gov/study/NCT01500629" } ] }