{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=FluMist%2FB%2FYamagata", "query": { "intervention": "FluMist/B/Yamagata" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 14, "total_pages": 2, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=FluMist%2FB%2FYamagata&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-09-21T06:35:26.043Z", "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": "NCT06863142", "title": "Evaluating the Dose, Safety, Tolerability, and Immunogenicity of Mosaic Hexavalent Influenza Vaccine VRCFLUMOS0116-00-VP (FluMos-v2) With and Without ALFQ Adjuvant in Healthy Adults", "overall_status": "RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Influenza Prevention", "Seasonal Influenza" ], "interventions": [ { "name": "VRC-FLUMOS0116-00-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": 45, "start_date": "2025-04-28", "completion_date": "2027-02-09", "has_results": false, "last_update_posted_date": "2026-09-15", "last_synced_at": "2026-09-21T06:35:26.043Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT06863142" }, { "nct_id": "NCT01198756", "title": "A Study to Evaluate the Safety and Immunogenicity of GSK Biologicals' Seasonal Influenza Vaccine in Children", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "Quadrivalent seasonal influenza vaccine GSK2282512A", "type": "BIOLOGICAL" }, { "name": "Fluarix™ VB", "type": "BIOLOGICAL" }, { "name": "Fluarix™ YB", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "6 Months", "maximum_age": "17 Years", "sex": "ALL", "summary": "6 Months to 17 Years" }, "enrollment_count": 3109, "start_date": "2010-10-01", "completion_date": "2011-07-01", "has_results": true, "last_update_posted_date": "2018-09-21", "last_synced_at": "2026-09-21T06:35:26.043Z", "location_count": 16, "location_summary": "Chandler, Arizona • Scottsdale, Arizona • Harrisburg, Arkansas + 13 more", "locations": [ { "city": "Chandler", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Harrisburg", "state": "Arkansas" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Huntington Beach", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT01198756" }, { "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": "2026-09-21T06:35:26.043Z", "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": "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": "2026-09-21T06:35:26.043Z", "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": "NCT06087640", "title": "A Clinical Study to Evaluate the Efficacy, Safety and Immunogenicity of an Adjuvanted Influenza Vaccine Compared to a Non-adjuvanted Influenza Vaccine in Adults ≥65 Years of Age", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Influenza, Human" ], "interventions": [ { "name": "aQIV or aTIV", "type": "BIOLOGICAL" }, { "name": "QIV or TIV", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Seqirus", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "65 Years", "maximum_age": null, "sex": "ALL", "summary": "65 Years and older" }, "enrollment_count": 38769, "start_date": "2023-10-23", "completion_date": "2026-06-15", "has_results": false, "last_update_posted_date": "2026-09-02", "last_synced_at": "2026-09-21T06:35:26.043Z", "location_count": 111, "location_summary": "Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 96 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Cullman", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Scottsdale", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" } ], "official_url": "https://clinicaltrials.gov/study/NCT06087640" }, { "nct_id": "NCT04576702", "title": "Safety and Immunogenicity of an MF59-Adjuvanted Influenza Vaccine in Older Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Influenza", "Human" ], "interventions": [ { "name": "Investigational aIIV4c", "type": "BIOLOGICAL" }, { "name": "IIV4c", "type": "BIOLOGICAL" }, { "name": "aIIV4", "type": "BIOLOGICAL" }, { "name": "RIV4", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Seqirus", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 471, "start_date": "2020-10-08", "completion_date": "2021-05-24", "has_results": true, "last_update_posted_date": "2024-04-17", "last_synced_at": "2026-09-21T06:35:26.043Z", "location_count": 21, "location_summary": "Mobile, Alabama • Tempe, Arizona • Jacksonville, Florida + 17 more", "locations": [ { "city": "Mobile", "state": "Alabama" }, { "city": "Tempe", "state": "Arizona" }, { "city": "Jacksonville", "state": "Florida" }, { "city": "Jacksonville", "state": "Florida" }, { "city": "Oakland", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT04576702" }, { "nct_id": "NCT05501561", "title": "Safety and Immunogenicity of Different Formulations of an MF59-Adjuvanted Influenza Vaccine in Older Adults ≥50 Years of Age", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Influenza, Human" ], "interventions": [ { "name": "Experimental: IIV-A Investigational IIV-A administered as a single dose intramuscularly on Day 1", "type": "BIOLOGICAL" }, { "name": "Experimental: aIIV-B Investigational aIIV-B administered as a single dose intramuscularly on Day 1", "type": "BIOLOGICAL" }, { "name": "Experimental: aIIV-C Investigational aIIV-C administered as a single dose intramuscularly on Day 1", "type": "BIOLOGICAL" }, { "name": "Active Comparator: Licensed IIV IIV administered as a single dose intramuscularly on Day 1", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Seqirus", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "50 Years", "maximum_age": null, "sex": "ALL", "summary": "50 Years and older" }, "enrollment_count": 1056, "start_date": "2022-08-25", "completion_date": "2023-03-31", "has_results": true, "last_update_posted_date": "2026-06-30", "last_synced_at": "2026-09-21T06:35:26.043Z", "location_count": 47, "location_summary": "Tempe, Arizona • Huntington Beach, California • San Diego, California + 42 more", "locations": [ { "city": "Tempe", "state": "Arizona" }, { "city": "Huntington Beach", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "Colorado Springs", "state": "Colorado" }, { "city": "Milford", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT05501561" }, { "nct_id": "NCT00860067", "title": "A Study to Evaluate the Immunogenicity of Quadrivalent LAIV in Adults 18 to 49 Years of Age", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2", "PHASE3" ], "conditions": [ "Healthy or Stable Underlying Chronic Medical Condition" ], "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": "18 Years", "maximum_age": "49 Years", "sex": "ALL", "summary": "18 Years to 49 Years" }, "enrollment_count": 1800, "start_date": "2009-03", "completion_date": "2009-10", "has_results": true, "last_update_posted_date": "2011-12-05", "last_synced_at": "2026-09-21T06:35:26.043Z", "location_count": 18, "location_summary": "Sacramento, California • San Diego, California • San Francisco, California + 15 more", "locations": [ { "city": "Sacramento", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "DeLand", "state": "Florida" }, { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00860067" }, { "nct_id": "NCT05968989", "title": "Trial to Evaluate the Safety, Tolerability, and Immunogenicity of a Mosaic Hexavalent Influenza Vaccine VRC-FLUMOS0116-00-VP (FluMos-v2) in Healthy Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "VRC-FLUMOS0116-00-VP( FLUMos-v2)", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": false, "eligibility": { "minimum_age": "18 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "18 Years to 50 Years" }, "enrollment_count": 30, "start_date": "2023-08-09", "completion_date": "2025-11-01", "has_results": false, "last_update_posted_date": "2026-07-13", "last_synced_at": "2026-09-21T06:35:26.043Z", "location_count": 1, "location_summary": "Bethesda, Maryland", "locations": [ { "city": "Bethesda", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT05968989" }, { "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": "2026-09-21T06:35:26.043Z", "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" } ] }