{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Influenza+A&page=2", "query": { "condition": "Influenza A", "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=Influenza+A&page=1&page_size=10" }, "source": "remote", "last_synced_at": "2026-05-22T09:05:43.303Z", "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": "NCT00630331", "title": "Efficacy Study of Two Influenza Vaccines and Placebo in Healthy Adult Subjects", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "Cell culture-derived influenza vaccine", "type": "BIOLOGICAL" }, { "name": "Egg-derived influenza virus vaccine", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Novartis Vaccines", "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": 11404, "start_date": "2007-10", "completion_date": "2008-07", "has_results": true, "last_update_posted_date": "2024-05-24", "last_synced_at": "2026-05-22T09:05:43.303Z", "location_count": 17, "location_summary": "Denver, Colorado • Pembroke Pines, Florida • South Miami, Florida + 13 more", "locations": [ { "city": "Denver", "state": "Colorado" }, { "city": "Pembroke Pines", "state": "Florida" }, { "city": "South Miami", "state": "Florida" }, { "city": "Lenexa", "state": "Kansas" }, { "city": "Bardstown", "state": "Kentucky" } ], "official_url": "https://clinicaltrials.gov/study/NCT00630331" }, { "nct_id": "NCT01014988", "title": "Safety Study to Assess IV Zanamivir for Treatment of Influenza Infection in Patients Who Are in Hospital", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Influenza, Human" ], "interventions": [ { "name": "zanamivir aqueous solution", "type": "DRUG" } ], "intervention_types": [ "DRUG" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": false, "eligibility": { "minimum_age": "6 Months", "maximum_age": null, "sex": "ALL", "summary": "6 Months and older" }, "enrollment_count": 202, "start_date": "2009-11", "completion_date": "2015-02", "has_results": true, "last_update_posted_date": "2017-03-28", "last_synced_at": "2026-05-22T09:05:43.303Z", "location_count": 40, "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 33 more", "locations": [ { "city": "Birmingham", "state": "Alabama" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "San Diego", "state": "California" }, { "city": "Stamford", "state": "Connecticut" } ], "official_url": "https://clinicaltrials.gov/study/NCT01014988" }, { "nct_id": "NCT05397119", "title": "A Safety and Immunogenicity of Intranasal Nanoemulsion Adjuvanted Recombinant Pandemic Flu Vaccine in Healthy Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Influenza, Pandemic" ], "interventions": [ { "name": "BW-1014: 25 µg rH5 in 20% NE - pipette - IN", "type": "BIOLOGICAL" }, { "name": "BW-1014: 50 µg rH5 in 20% NE - pipette - IN", "type": "BIOLOGICAL" }, { "name": "BW-1014: 100 µg rH5 in 20% NE - pipette - IN", "type": "BIOLOGICAL" }, { "name": "rH5 (100 µg) control - pipette - IN", "type": "BIOLOGICAL" }, { "name": "Saline (Placebo) - pipette - IN", "type": "BIOLOGICAL" }, { "name": "H5N1 IIV - IM", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "BlueWillow Biologics", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "45 Years", "sex": "ALL", "summary": "18 Years to 45 Years" }, "enrollment_count": 40, "start_date": "2022-07-07", "completion_date": "2023-10-12", "has_results": false, "last_update_posted_date": "2024-08-22", "last_synced_at": "2026-05-22T09:05:43.303Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT05397119" }, { "nct_id": "NCT00347672", "title": "Safety of and Immune Response to a Bird Flu Virus Vaccine (H5N1) in Healthy Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Influenza", "Virus Diseases" ], "interventions": [ { "name": "H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca)", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "49 Years", "sex": "ALL", "summary": "18 Years to 49 Years" }, "enrollment_count": 42, "start_date": "2006-06", "completion_date": "2007-07", "has_results": false, "last_update_posted_date": "2008-01-21", "last_synced_at": "2026-05-22T09:05:43.303Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT00347672" }, { "nct_id": "NCT05227001", "title": "A Study To Learn About The Study Vaccine (Called Self-Amplifying Ribonucleic Acid (RNA)) For The Prevention of Influenza", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Influenza, Human" ], "interventions": [ { "name": "PF-07852352 Influenza saRNA 1", "type": "BIOLOGICAL" }, { "name": "PF-07836391 Influenza saRNA", "type": "BIOLOGICAL" }, { "name": "PF-07836394 Influenza saRNA", "type": "BIOLOGICAL" }, { "name": "PF-07836395 Influenza saRNA", "type": "BIOLOGICAL" }, { "name": "PF-07836396 Influenza saRNA", "type": "BIOLOGICAL" }, { "name": "PF-07867246 Influenza saRNA", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "BIOLOGICAL" }, { "name": "Quadrivalent influenza vaccine (QIV)", "type": "BIOLOGICAL" }, { "name": "PF-07871987 Influenza saRNA", "type": "BIOLOGICAL" }, { "name": "PF-07914705 Influenza saRNA", "type": "BIOLOGICAL" }, { "name": "PF-07915048 Influenza saRNA", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Pfizer", "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": 440, "start_date": "2022-04-28", "completion_date": "2023-08-04", "has_results": false, "last_update_posted_date": "2026-03-20", "last_synced_at": "2026-05-22T09:05:43.303Z", "location_count": 24, "location_summary": "Phoenix, Arizona • Walnut Creek, California • Greenacres City, Florida + 13 more", "locations": [ { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Walnut Creek", "state": "California" }, { "city": "Greenacres City", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT05227001" }, { "nct_id": "NCT00115531", "title": "Eldery High Dose TIV 2005", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "Trivalent inactivated influenza vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "65 Years", "maximum_age": null, "sex": "ALL", "summary": "65 Years and older" }, "enrollment_count": 414, "start_date": "2005-04", "completion_date": "2005-11", "has_results": false, "last_update_posted_date": "2014-12-19", "last_synced_at": "2026-05-22T09:05:43.303Z", "location_count": 5, "location_summary": "Iowa City, Iowa • Baltimore, Maryland • St Louis, Missouri + 2 more", "locations": [ { "city": "Iowa City", "state": "Iowa" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "St Louis", "state": "Missouri" }, { "city": "Cincinnati", "state": "Ohio" }, { "city": "Houston", "state": "Texas" } ], "official_url": "https://clinicaltrials.gov/study/NCT00115531" }, { "nct_id": "NCT06382311", "title": "A Study to Find and Confirm the Dose and Assess Safety, Reactogenicity and Immune Response of a Vaccine Against Pandemic H5N1 Influenza Virus in Healthy Younger and Older Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1", "PHASE2" ], "conditions": [ "Influenza, Human" ], "interventions": [ { "name": "Flu Pandemic mRNA_Dose level 1", "type": "BIOLOGICAL" }, { "name": "Flu Pandemic mRNA_Dose level 2", "type": "BIOLOGICAL" }, { "name": "Flu Pandemic mRNA_ Dose level 3.", "type": "BIOLOGICAL" }, { "name": "Flu Pandemic mRNA_ Dose level 4", "type": "BIOLOGICAL" }, { "name": "Flu Pandemic mRNA_Dose level 5", "type": "BIOLOGICAL" }, { "name": "Flu Pandemic mRNA_Dose level 6", "type": "BIOLOGICAL" }, { "name": "Influenza virus vaccine", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "DRUG" ], "sponsor": "GlaxoSmithKline", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "85 Years", "sex": "ALL", "summary": "18 Years to 85 Years" }, "enrollment_count": 991, "start_date": "2024-04-18", "completion_date": "2026-01-13", "has_results": false, "last_update_posted_date": "2026-02-05", "last_synced_at": "2026-05-22T09:05:43.303Z", "location_count": 21, "location_summary": "Anniston, Alabama • Little Rock, Arkansas • Fort Collins, Colorado + 18 more", "locations": [ { "city": "Anniston", "state": "Alabama" }, { "city": "Little Rock", "state": "Arkansas" }, { "city": "Fort Collins", "state": "Colorado" }, { "city": "Fort Myers", "state": "Florida" }, { "city": "West Palm Beach", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT06382311" }, { "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": "2026-05-22T09:05:43.303Z", "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": "NCT00333398", "title": "Immunogenicity, Safety and Tolerability of CSL Limited Inactivated Influenza Vaccine in Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "CSL Trivalent Inactivated Influenza Vaccine - Thimerosal-free", "type": "BIOLOGICAL" }, { "name": "CSL Trivalent Inactivated Influenza Vaccine with Thimerosal", "type": "BIOLOGICAL" }, { "name": "Placebo with Thimerosal", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "64 Years", "sex": "ALL", "summary": "18 Years to 64 Years" }, "enrollment_count": 1359, "start_date": "2006-06", "completion_date": "2006-08", "has_results": false, "last_update_posted_date": "2010-08-27", "last_synced_at": "2026-05-22T09:05:43.303Z", "location_count": 10, "location_summary": "Stanford, California • Iowa City, Iowa • Baltimore, Maryland + 7 more", "locations": [ { "city": "Stanford", "state": "California" }, { "city": "Iowa City", "state": "Iowa" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "St Louis", "state": "Missouri" }, { "city": "Rochester", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT00333398" }, { "nct_id": "NCT05091307", "title": "A Study of Ad26.COV2.S and Influenza Vaccines in Healthy Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE3" ], "conditions": [ "COVID-19 Prevention" ], "interventions": [ { "name": "Ad26.COV2.S", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "OTHER" }, { "name": "Influenza Vaccine", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "sponsor": "Janssen Vaccines & Prevention B.V.", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 861, "start_date": "2021-11-02", "completion_date": "2022-11-15", "has_results": true, "last_update_posted_date": "2025-05-25", "last_synced_at": "2026-05-22T09:05:43.303Z", "location_count": 17, "location_summary": "Tempe, Arizona • San Diego, California • Coral Gables, Florida + 12 more", "locations": [ { "city": "Tempe", "state": "Arizona" }, { "city": "San Diego", "state": "California" }, { "city": "Coral Gables", "state": "Florida" }, { "city": "Fort Myers", "state": "Florida" }, { "city": "Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT05091307" } ] }