{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Spontaneous+Urticaria+%28CSU%29&page=2", "query": { "condition": "Chronic Spontaneous Urticaria (CSU)", "page": 2 }, "page_size": 10 }, "pagination": { "page": 2, "page_size": 10, "total_count": 10, "total_pages": 1, "next_page_url": null, "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Chronic+Spontaneous+Urticaria+%28CSU%29&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-06-07T19:52:27.001Z", "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": "NCT05774639", "title": "Study to Compare Efficacy Safety and Immunogenicity of ADL-018 With XOLAIR (Omalizumab) in Adults With Chronic Idiopathic Urticaria", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Chronic Idiopathic Urticaria" ], "interventions": [ { "name": "Omalizumab Injection", "type": "DRUG" }, { "name": "Xolair Prefilled Syringe", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Kashiv BioSciences, LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 600, "start_date": "2023-08-15", "completion_date": "2024-12-31", "has_results": false, "last_update_posted_date": "2025-02-05", "last_synced_at": "2026-06-07T19:52:27.001Z", "location_count": 4, "location_summary": "Brandon, Florida • Brooksville, Florida • Miami Lakes, Florida + 1 more", "locations": [ { "city": "Brandon", "state": "Florida" }, { "city": "Brooksville", "state": "Florida" }, { "city": "Miami Lakes", "state": "Florida" }, { "city": "West Lafayette", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT05774639" }, { "nct_id": "NCT04210843", "title": "Study of Efficacy and Safety of Ligelizumab in Chronic Spontaneous Urticaria Patients Who Completed a Previous Study With Ligelizumab", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Chronic Spontaneous Urticaria" ], "interventions": [ { "name": "Ligelizumab", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Novartis Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": null, "sex": "ALL", "summary": "12 Years and older" }, "enrollment_count": 1033, "start_date": "2020-04-08", "completion_date": "2022-09-01", "has_results": true, "last_update_posted_date": "2024-06-20", "last_synced_at": "2026-06-07T19:52:27.001Z", "location_count": 39, "location_summary": "Birmingham, Alabama • Gilbert, Arizona • Litchfield Park, Arizona + 36 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Gilbert", "state": "Arizona" }, { "city": "Litchfield Park", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT04210843" }, { "nct_id": "NCT07219615", "title": "A Study to Learn About Ritlecitinib for the Potential Treatment of Chronic Spontaneous Urticaria in Adults.", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Spontaneous Urticaria" ], "interventions": [ { "name": "Ritlecitinib 50 mg", "type": "DRUG" }, { "name": "Ritlecitinib 100 mg", "type": "DRUG" }, { "name": "Placebo - 50 mg", "type": "DRUG" }, { "name": "Placebo - 100 mg", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 200, "start_date": "2025-10-30", "completion_date": "2027-04-23", "has_results": false, "last_update_posted_date": "2026-04-13", "last_synced_at": "2026-06-07T19:52:27.001Z", "location_count": 11, "location_summary": "Little Rock, Arkansas • Bakersfield, California • Lancaster, California + 8 more", "locations": [ { "city": "Little Rock", "state": "Arkansas" }, { "city": "Bakersfield", "state": "California" }, { "city": "Lancaster", "state": "California" }, { "city": "Pasadena", "state": "California" }, { "city": "Colorado Springs", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT07219615" }, { "nct_id": "NCT05528861", "title": "A Study to Assess Subcutaneous Lirentelimab (AK002) in Chronic Spontaneous Urticaria", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Spontaneous Urticaria" ], "interventions": [ { "name": "Lirentelimab (AK002)", "type": "DRUG" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "DRUG", "OTHER" ], "sponsor": "Allakos Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 127, "start_date": "2022-10-26", "completion_date": "2024-04-18", "has_results": true, "last_update_posted_date": "2024-09-27", "last_synced_at": "2026-06-07T19:52:27.001Z", "location_count": 51, "location_summary": "Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 44 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Cullman", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Bakersfield", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT05528861" }, { "nct_id": "NCT06445023", "title": "A Phase 3 Study of Barzolvolimab in Participants With Chronic Spontaneous Urticaria", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Chronic Spontaneous Urticaria" ], "interventions": [ { "name": "barzolvolimab", "type": "BIOLOGICAL" }, { "name": "Matching placebo", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Celldex Therapeutics", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 963, "start_date": "2024-07-11", "completion_date": "2027-04", "has_results": false, "last_update_posted_date": "2026-03-25", "last_synced_at": "2026-06-07T19:52:27.001Z", "location_count": 58, "location_summary": "Birmingham, Alabama • Fountain Valley, California • Inglewood, California + 50 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Fountain Valley", "state": "California" }, { "city": "Inglewood", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Los Angeles", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06445023" }, { "nct_id": "NCT01287117", "title": "A Study of the Efficacy and Safety of Omalizumab (Xolair) in Patients With Chronic Idiopathic Urticaria (CIU)/Chronic Spontaneous Urticaria (CSU) Who Remain Symptomatic Despite Antihistamine (H1) Treatment", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Chronic Idiopathic Urticaria" ], "interventions": [ { "name": "Omalizumab", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Genentech, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "12 Years to 75 Years" }, "enrollment_count": 319, "start_date": "2011-02", "completion_date": "2012-10", "has_results": true, "last_update_posted_date": "2013-11-27", "last_synced_at": "2026-06-07T19:52:27.001Z", "location_count": 40, "location_summary": "Birmingham, Alabama • Huntington Beach, California • Long Beach, California + 37 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Huntington Beach", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Palmdale", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01287117" }, { "nct_id": "NCT05513001", "title": "An Extension Study of Long-term Efficacy, Safety and Tolerability of Remibrutinib in Chronic Spontaneous Urticaria Patients Who Completed Preceding Studies With Remibrutinib", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Chronic Spontaneous Urticaria" ], "interventions": [ { "name": "LOU064 (blinded)", "type": "DRUG" }, { "name": "Placebo", "type": "DRUG" }, { "name": "LOU064 (open label)", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Novartis Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "100 Years", "sex": "ALL", "summary": "18 Years to 100 Years" }, "enrollment_count": 696, "start_date": "2022-12-09", "completion_date": "2027-08-02", "has_results": false, "last_update_posted_date": "2026-03-11", "last_synced_at": "2026-06-07T19:52:27.001Z", "location_count": 43, "location_summary": "Birmingham, Alabama • Litchfield Park, Arizona • Little Rock, Arkansas + 38 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Litchfield Park", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "North Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT05513001" }, { "nct_id": "NCT06868212", "title": "A Study to Evaluate Efficacy of Remibrutinib Compared to Dupilumab at Early Timepoints in Adults With Chronic Spontaneous Urticaria Inadequately Controlled by Second Generation H1-antihistamines", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Chronic Spontaneous Urticaria (CSU)" ], "interventions": [ { "name": "Remibrutinib", "type": "DRUG" }, { "name": "Remibrutinib matching placebo", "type": "DRUG" }, { "name": "Dupilumab", "type": "DRUG" }, { "name": "Placebo solution for injection", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Novartis Pharmaceuticals", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 400, "start_date": "2025-07-11", "completion_date": "2027-05-17", "has_results": false, "last_update_posted_date": "2026-06-05", "last_synced_at": "2026-06-07T19:52:27.001Z", "location_count": 127, "location_summary": "Birmingham, Alabama • Litchfield Park, Arizona • Payson, Arizona + 102 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Birmingham", "state": "Alabama" }, { "city": "Litchfield Park", "state": "Arizona" }, { "city": "Payson", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" } ], "official_url": "https://clinicaltrials.gov/study/NCT06868212" }, { "nct_id": "NCT01292473", "title": "A Study to Evaluate the Efficacy, Response Duration and Safety of Xolair (Omalizumab) in Patients With Chronic Idiopathic Urticaria (CIU)/Chronic Spontaneous Urticaria (CSU) Who Remain Symptomatic Despite Antihistamine Treatment (H1)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Chronic Idiopathic Urticaria" ], "interventions": [ { "name": "Placebo", "type": "DRUG" }, { "name": "Omalizumab", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "Genentech, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "12 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "12 Years to 75 Years" }, "enrollment_count": 323, "start_date": "2011-03", "completion_date": "2012-06", "has_results": true, "last_update_posted_date": "2013-10-11", "last_synced_at": "2026-06-07T19:52:27.001Z", "location_count": 36, "location_summary": "La Jolla, California • Los Angeles, California • Redwood City, California + 31 more", "locations": [ { "city": "La Jolla", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "Redwood City", "state": "California" }, { "city": "Walnut Creek", "state": "California" }, { "city": "Denver", "state": "Colorado" } ], "official_url": "https://clinicaltrials.gov/study/NCT01292473" }, { "nct_id": "NCT06555328", "title": "Evaluate Safety and Pharmacokinetics of INF904 in Subjects With Moderate to Severe Chronic Spontaneous Urticaria or Hidradenitis Suppurativa", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Chronic Urticaria, Idiopathic", "Hidradenitis", "Hidradenitis Suppurativa" ], "interventions": [ { "name": "CSU lower dose treatment", "type": "DRUG" }, { "name": "CSU high dose treatment", "type": "DRUG" }, { "name": "CSU non responders IgE - high dose treatment", "type": "DRUG" }, { "name": "HS low dose treatment", "type": "DRUG" }, { "name": "HS medium dose treatment", "type": "DRUG" }, { "name": "HS high dose treatment", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "InflaRx GmbH", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "99 Years", "sex": "ALL", "summary": "18 Years to 99 Years" }, "enrollment_count": 73, "start_date": "2025-01-02", "completion_date": "2026-01-22", "has_results": false, "last_update_posted_date": "2026-02-03", "last_synced_at": "2026-06-07T19:52:27.001Z", "location_count": 9, "location_summary": "Fountain Valley, California • North Miami Beach, Florida • Tampa, Florida + 6 more", "locations": [ { "city": "Fountain Valley", "state": "California" }, { "city": "North Miami Beach", "state": "Florida" }, { "city": "Tampa", "state": "Florida" }, { "city": "Indianapolis", "state": "Indiana" }, { "city": "Murray", "state": "Kentucky" } ], "official_url": "https://clinicaltrials.gov/study/NCT06555328" } ] }