{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Fluzone+Quadrivalent&page=2", "query": { "intervention": "Fluzone Quadrivalent", "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?intervention=Fluzone+Quadrivalent&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-09-24T01:29:39.281Z", "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": "NCT02434276", "title": "Study of the Immunogenicity and Safety of a Quadrivalent Influenza Vaccine (VAX2012Q) in Adults 18-64 Years", "overall_status": "UNKNOWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "VAX2012Q", "type": "BIOLOGICAL" }, { "name": "Fluzone Quadrivalent", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "VaxInnate Corporation", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "64 Years", "sex": "ALL", "summary": "18 Years to 64 Years" }, "enrollment_count": 450, "start_date": "2015-05", "completion_date": "2016-06", "has_results": false, "last_update_posted_date": "2015-06-26", "last_synced_at": "2026-09-24T01:29:39.281Z", "location_count": 6, "location_summary": "Huntsville, Alabama • San Diego, California • Melbourne, Florida + 3 more", "locations": [ { "city": "Huntsville", "state": "Alabama" }, { "city": "San Diego", "state": "California" }, { "city": "Melbourne", "state": "Florida" }, { "city": "Peoria", "state": "Illinois" }, { "city": "Mishawaka", "state": "Indiana" } ], "official_url": "https://clinicaltrials.gov/study/NCT02434276" }, { "nct_id": "NCT07111078", "title": "Quadrivalent Influenza HA Stem Vaccine VRC-FLUMOS0122-00-VP (SteMos1) With and Without ALFQ Adjuvant in Healthy Adults", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Influenza Prevention", "Pandemic Influenza Prevention" ], "interventions": [ { "name": "VRC-FLUMOS0122-00-VP", "type": "BIOLOGICAL" }, { "name": "ALFQ", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 56, "start_date": "2025-08-27", "completion_date": "2027-08-18", "has_results": false, "last_update_posted_date": "2026-09-09", "last_synced_at": "2026-09-24T01:29:39.281Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT07111078" }, { "nct_id": "NCT02285998", "title": "Protective Efficacy of Flublok® Quadrivalent Versus Licensed Inactivated Influenza Vaccine in Adults ≥50 Years of Age", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "Flublok Quadrivalent Influenza Vaccine", "type": "BIOLOGICAL" }, { "name": "Inactivated Influenza Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Protein Sciences Corporation", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 9003, "start_date": "2014-10", "completion_date": "2015-05", "has_results": true, "last_update_posted_date": "2017-10-27", "last_synced_at": "2026-09-24T01:29:39.281Z", "location_count": 38, "location_summary": "Mobile, Alabama • Tempe, Arizona • Little Rock, Arkansas + 34 more", "locations": [ { "city": "Mobile", "state": "Alabama" }, { "city": "Tempe", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Redding", "state": "California" }, { "city": "Sacramento", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT02285998" }, { "nct_id": "NCT01091246", "title": "A Study to Evaluate the Immunogenicity of Quadrivalent Live Attenuated Influenza Vaccine (LAIV) in Children", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Healthy or Stable Chronic Illness" ], "interventions": [ { "name": "Q/LAIV (MEDI3250)", "type": "BIOLOGICAL" }, { "name": "FluMist/B/Yamagata", "type": "BIOLOGICAL" }, { "name": "FluMist/B/Victoria", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "MedImmune LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "2 Years", "maximum_age": "17 Years", "sex": "ALL", "summary": "2 Years to 17 Years" }, "enrollment_count": 2312, "start_date": "2010-03", "completion_date": "2010-12", "has_results": true, "last_update_posted_date": "2011-09-26", "last_synced_at": "2026-09-24T01:29:39.281Z", "location_count": 110, "location_summary": "Birmingham, Alabama • Mobile, Alabama • Tucson, Arizona + 95 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Mobile", "state": "Alabama" }, { "city": "Tucson", "state": "Arizona" }, { "city": "Benton", "state": "Arkansas" }, { "city": "Bentonville", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT01091246" }, { "nct_id": "NCT03617523", "title": "Safety and Immunogenicity of Fluzone® Quadrivalent, Flublok® Quadrivalent, and Fluzone® High-Dose, Influenza Vaccines, 2018-2019 Formulations", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "Fluzone Quadrivalent vaccine, 2018-2019 formulation", "type": "BIOLOGICAL" }, { "name": "Flublok Quadrivalent vaccine, 2018-2019 formulation", "type": "BIOLOGICAL" }, { "name": "Fluzone High-Dose vaccine, 2018-2019 formulation", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "6 Months", "maximum_age": null, "sex": "ALL", "summary": "6 Months and older" }, "enrollment_count": 240, "start_date": "2018-09-10", "completion_date": "2018-11-12", "has_results": true, "last_update_posted_date": "2022-03-29", "last_synced_at": "2026-09-24T01:29:39.281Z", "location_count": 3, "location_summary": "Bardstown, Kentucky • Metairie, Louisiana • Salt Lake City, Utah", "locations": [ { "city": "Bardstown", "state": "Kentucky" }, { "city": "Metairie", "state": "Louisiana" }, { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT03617523" }, { "nct_id": "NCT05397223", "title": "A Study of Modified mRNA Vaccines in Healthy Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "SARS-CoV-2", "Seasonal Influenza", "Respiratory Syncytial Virus", "Cytomegalovirus" ], "interventions": [ { "name": "mRNA-1273", "type": "BIOLOGICAL" }, { "name": "mRNA-1010", "type": "BIOLOGICAL" }, { "name": "mRNA-1345", "type": "BIOLOGICAL" }, { "name": "FLUAD®", "type": "BIOLOGICAL" }, { "name": "mRNA-1647", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "ModernaTX, Inc.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "75 Years", "sex": "ALL", "summary": "18 Years to 75 Years" }, "enrollment_count": 308, "start_date": "2022-05-24", "completion_date": "2026-02-27", "has_results": false, "last_update_posted_date": "2026-03-12", "last_synced_at": "2026-09-24T01:29:39.281Z", "location_count": 8, "location_summary": "Hollywood, Florida • Savannah, Georgia • Sioux City, Iowa + 4 more", "locations": [ { "city": "Hollywood", "state": "Florida" }, { "city": "Savannah", "state": "Georgia" }, { "city": "Sioux City", "state": "Iowa" }, { "city": "Lenexa", "state": "Kansas" }, { "city": "Lincoln", "state": "Nebraska" } ], "official_url": "https://clinicaltrials.gov/study/NCT05397223" }, { "nct_id": "NCT03743688", "title": "Kinetics of the Immune Response to Inactivated Influenza Vaccine in Healthy Adults", "overall_status": "COMPLETED", "study_type": "OBSERVATIONAL", "phases": [], "conditions": [ "Influenza", "Influenza, Human", "Vaccine Reaction", "Influenza A", "Influenza Type B", "Influenza A H1N1", "Influenza A H3N2" ], "interventions": [ { "name": "Influenza Vaccine Recipients", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Vanderbilt University Medical Center", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "18 Years to 45 Years" }, "enrollment_count": 10, "start_date": "2018-12-04", "completion_date": "2019-07-26", "has_results": false, "last_update_posted_date": "2019-08-05", "last_synced_at": "2026-09-24T01:29:39.281Z", "location_count": 1, "location_summary": "Nashville, Tennessee", "locations": [ { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT03743688" }, { "nct_id": "NCT03615482", "title": "A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 When Administered Concomitantly With Influenza Vaccine in Healthy Adults 50 Years of Age or Older (V114-021/PNEU-FLU)", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Pneumococcal Infections" ], "interventions": [ { "name": "V114", "type": "BIOLOGICAL" }, { "name": "QIV", "type": "BIOLOGICAL" }, { "name": "Matching Placebo for V114", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Merck Sharp & Dohme LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 1200, "start_date": "2018-09-14", "completion_date": "2019-06-24", "has_results": true, "last_update_posted_date": "2024-05-22", "last_synced_at": "2026-09-24T01:29:39.281Z", "location_count": 45, "location_summary": "Birmingham, Alabama • Chandler, Arizona • Mesa, Arizona + 39 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Chandler", "state": "Arizona" }, { "city": "Mesa", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Fountain Valley", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT03615482" }, { "nct_id": "NCT01196975", "title": "A Study to Evaluate the Safety and Immunogenicity of GSK Biologicals' Seasonal Influenza Vaccine in Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "Quadrivalent seasonal influenza vaccine GSK2282512A", "type": "BIOLOGICAL" }, { "name": "FluLavalTM-VB", "type": "BIOLOGICAL" }, { "name": "FluLavalTM-YB", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1707, "start_date": "2010-10-01", "completion_date": "2011-06-24", "has_results": true, "last_update_posted_date": "2018-09-21", "last_synced_at": "2026-09-24T01:29:39.281Z", "location_count": 6, "location_summary": "Mesa, Arizona • Wichita, Kansas • Elkridge, Maryland + 3 more", "locations": [ { "city": "Mesa", "state": "Arizona" }, { "city": "Wichita", "state": "Kansas" }, { "city": "Elkridge", "state": "Maryland" }, { "city": "Endwell", "state": "New York" }, { "city": "Jefferson Hills", "state": "Pennsylvania" } ], "official_url": "https://clinicaltrials.gov/study/NCT01196975" }, { "nct_id": "NCT04487041", "title": "Tfh Dysfunction in HIV and Aging", "overall_status": "ACTIVE_NOT_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Human Influenza" ], "interventions": [ { "name": "Standard dose influenza vaccination", "type": "BIOLOGICAL" }, { "name": "High dose influenza vaccination", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "University of Miami", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 400, "start_date": "2020-10-30", "completion_date": "2027-12-30", "has_results": false, "last_update_posted_date": "2026-07-17", "last_synced_at": "2026-09-24T01:29:39.281Z", "location_count": 1, "location_summary": "Miami, Florida", "locations": [ { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT04487041" } ] }