{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=FLUARIX+QUADRIVALENT&page=2", "query": { "intervention": "FLUARIX 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=FLUARIX+QUADRIVALENT&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-09-29T11:33:33.616Z", "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": "NCT04544267", "title": "Study on a High-Dose Quadrivalent Influenza Vaccine Compared With Standard-Dose Quadrivalent Influenza Vaccine in Children 6 Months Through 35 Months of Age", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "Quadrivalent influenza vaccine, high-dose", "type": "BIOLOGICAL" }, { "name": "Quadrivalent influenza vaccine, standard dose", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "6 Months", "maximum_age": "35 Months", "sex": "ALL", "summary": "6 Months to 35 Months" }, "enrollment_count": 100, "start_date": "2020-09-15", "completion_date": "2021-06-02", "has_results": true, "last_update_posted_date": "2025-12-24", "last_synced_at": "2026-09-29T11:33:33.616Z", "location_count": 10, "location_summary": "San Diego, California • Miami, Florida • Atlanta, Georgia + 6 more", "locations": [ { "city": "San Diego", "state": "California" }, { "city": "Miami", "state": "Florida" }, { "city": "Atlanta", "state": "Georgia" }, { "city": "El Dorado", "state": "Kansas" }, { "city": "Bardstown", "state": "Kentucky" } ], "official_url": "https://clinicaltrials.gov/study/NCT04544267" }, { "nct_id": "NCT03143101", "title": "Evaluate the Shedding and Immunogencity of Different Formulations of FluMist in Children 24 to <48 Months of Age", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Influenza", "Healthy" ], "interventions": [ { "name": "FluMist trivalent (2015-2016)", "type": "BIOLOGICAL" }, { "name": "FluMist Quadrivalent (2015-2016)", "type": "BIOLOGICAL" }, { "name": "FluMist Quadrivalent (2017-2018)", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "MedImmune LLC", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "24 Months", "maximum_age": "47 Months", "sex": "ALL", "summary": "24 Months to 47 Months" }, "enrollment_count": 200, "start_date": "2017-05-08", "completion_date": "2017-09-29", "has_results": true, "last_update_posted_date": "2018-12-11", "last_synced_at": "2026-09-29T11:33:33.616Z", "location_count": 12, "location_summary": "Savannah, Georgia • Bardstown, Kentucky • St Louis, Missouri + 9 more", "locations": [ { "city": "Savannah", "state": "Georgia" }, { "city": "Bardstown", "state": "Kentucky" }, { "city": "St Louis", "state": "Missouri" }, { "city": "Norfolk", "state": "Nebraska" }, { "city": "Omaha", "state": "Nebraska" } ], "official_url": "https://clinicaltrials.gov/study/NCT03143101" }, { "nct_id": "NCT02212106", "title": "A Study to Evaluate the Safety and Tolerability of Trivalent Influenza Virus Vaccine in Children Aged 5 Years to < 9 Years", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Influenza, Human" ], "interventions": [ { "name": "bioCSL Trivalent Influenza Virus Vaccine (CSL TIV)", "type": "BIOLOGICAL" }, { "name": "Comparator Quadrivalent Influenza Virus Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Seqirus", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "5 Years", "maximum_age": "8 Years", "sex": "ALL", "summary": "5 Years to 8 Years" }, "enrollment_count": 402, "start_date": "2014-09", "completion_date": "2014-12", "has_results": true, "last_update_posted_date": "2015-10-16", "last_synced_at": "2026-09-29T11:33:33.616Z", "location_count": 11, "location_summary": "Los Angeles, California • Boise, Idaho • St Louis, Missouri + 8 more", "locations": [ { "city": "Los Angeles", "state": "California" }, { "city": "Boise", "state": "Idaho" }, { "city": "St Louis", "state": "Missouri" }, { "city": "Binghamton", "state": "New York" }, { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT02212106" }, { "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": "2026-09-29T11:33:33.616Z", "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": "NCT02876159", "title": "The Immunologic Basis for an Attenuated Immune Response to the Influenza Vaccine After Repeated Annual Vaccination", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "2016-2017 Influenza Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Emory University", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "20 Years", "maximum_age": "30 Years", "sex": "ALL", "summary": "20 Years to 30 Years" }, "enrollment_count": 20, "start_date": "2016-07", "completion_date": "2016-12-01", "has_results": true, "last_update_posted_date": "2018-12-12", "last_synced_at": "2026-09-29T11:33:33.616Z", "location_count": 1, "location_summary": "Atlanta, Georgia", "locations": [ { "city": "Atlanta", "state": "Georgia" } ], "official_url": "https://clinicaltrials.gov/study/NCT02876159" }, { "nct_id": "NCT06436703", "title": "A Study About Modified RNA Vaccines Against Influenza in Healthy Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Influenza, Human" ], "interventions": [ { "name": "Influenza ModRNA Vaccine", "type": "BIOLOGICAL" }, { "name": "Quadrivalent Influenza Vaccine (QIV)", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Pfizer", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 1202, "start_date": "2024-05-23", "completion_date": "2025-02-05", "has_results": true, "last_update_posted_date": "2026-06-12", "last_synced_at": "2026-09-29T11:33:33.616Z", "location_count": 32, "location_summary": "Mobile, Alabama • Scottsdale, Arizona • Anaheim, California + 25 more", "locations": [ { "city": "Mobile", "state": "Alabama" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Anaheim", "state": "California" }, { "city": "Lake Forest", "state": "California" }, { "city": "San Diego", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT06436703" }, { "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": "2026-09-29T11:33:33.616Z", "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": "NCT05513391", "title": "Study With Quadrivalent Recombinant Influenza Vaccine (RIV4) Compared With Egg-Based Quadrivalent Influenza Vaccine (IIV4) in Participants Aged 3 to 8 Years", "overall_status": "TERMINATED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Influenza Immunization" ], "interventions": [ { "name": "Recombinant influenza vaccine (RIV4)", "type": "BIOLOGICAL" }, { "name": "Quadrivalent influenza vaccine (IIV4)", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "3 Years", "maximum_age": "8 Years", "sex": "ALL", "summary": "3 Years to 8 Years" }, "enrollment_count": 366, "start_date": "2022-11-10", "completion_date": "2023-10-03", "has_results": true, "last_update_posted_date": "2025-09-09", "last_synced_at": "2026-09-29T11:33:33.616Z", "location_count": 18, "location_summary": "Birmingham, Alabama • Jonesboro, Arkansas • San Diego, California + 14 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Jonesboro", "state": "Arkansas" }, { "city": "San Diego", "state": "California" }, { "city": "Sioux City", "state": "Iowa" }, { "city": "Newton", "state": "Kansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT05513391" }, { "nct_id": "NCT01946425", "title": "Safety and Immunogenicity Among Healthy Children Receiving Fluzone® Quadrivalent Influenza Virus Vaccine", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "Fluzone® Quadrivalent Influenza Virus Vaccine, No Preservative", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "6 Months", "maximum_age": "8 Years", "sex": "ALL", "summary": "6 Months to 8 Years" }, "enrollment_count": 60, "start_date": "2013-09", "completion_date": "2014-07", "has_results": true, "last_update_posted_date": "2014-09-25", "last_synced_at": "2026-09-29T11:33:33.616Z", "location_count": 2, "location_summary": "Bardstown, Kentucky • Salt Lake City, Utah", "locations": [ { "city": "Bardstown", "state": "Kentucky" }, { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT01946425" }, { "nct_id": "NCT05050318", "title": "Annual Study for Collection of Serum Samples in Children and Older Adults Receiving the 2021-2022 Formulations of Fluzone Quadrivalent Vaccine and Fluzone High-Dose Quadrivalent Vaccine, Respectively", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Influenza Immunization", "Healthy Volunteers" ], "interventions": [ { "name": "Fluzone Quadrivalent vaccine, No Preservative (0.5-mL dose), 2021-2022 formulation", "type": "BIOLOGICAL" }, { "name": "Fluzone High-Dose Quadrivalent vaccine (0.7-mL dose), 2021-2022 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": 90, "start_date": "2021-09-08", "completion_date": "2021-11-10", "has_results": true, "last_update_posted_date": "2025-09-12", "last_synced_at": "2026-09-29T11:33:33.616Z", "location_count": 2, "location_summary": "Bardstown, Kentucky • Salt Lake City, Utah", "locations": [ { "city": "Bardstown", "state": "Kentucky" }, { "city": "Salt Lake City", "state": "Utah" } ], "official_url": "https://clinicaltrials.gov/study/NCT05050318" } ] }