{ "api_version": "1", "request": { "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+A+%28H1N1%29+monovalent+vaccine", "query": { "intervention": "Influenza A (H1N1) monovalent vaccine" }, "page_size": 10 }, "pagination": { "page": 1, "page_size": 10, "total_count": 26, "total_pages": 3, "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Influenza+A+%28H1N1%29+monovalent+vaccine&page=2&page_size=10", "previous_page_url": null }, "source": "remote", "last_synced_at": "2026-10-10T14:49:55.380Z", "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": "NCT03589807", "title": "2013/2017 H7N9 Prime-Boost Interval", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Avian Influenza", "Influenza Immunisation" ], "interventions": [ { "name": "A/H7N9", "type": "BIOLOGICAL" }, { "name": "AS03", "type": "DRUG" }, { "name": "Influenza Virus Vaccine, Monovalent A/H7N9 A/Shanghai/2/2013", "type": "BIOLOGICAL" }, { "name": "Phosphate Buffered Saline (PBS) diluent", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "DRUG", "OTHER" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "19 Years", "maximum_age": "50 Years", "sex": "ALL", "summary": "19 Years to 50 Years" }, "enrollment_count": 180, "start_date": "2018-08-21", "completion_date": "2020-06-14", "has_results": true, "last_update_posted_date": "2021-08-02", "last_synced_at": "2026-10-10T14:49:55.380Z", "location_count": 6, "location_summary": "Atlanta, Georgia • Decatur, Georgia • Iowa City, Iowa + 3 more", "locations": [ { "city": "Atlanta", "state": "Georgia" }, { "city": "Decatur", "state": "Georgia" }, { "city": "Iowa City", "state": "Iowa" }, { "city": "St Louis", "state": "Missouri" }, { "city": "Durham", "state": "North Carolina" } ], "official_url": "https://clinicaltrials.gov/study/NCT03589807" }, { "nct_id": "NCT00992433", "title": "H1N1 Vaccine at Two Dose Levels in HIV Positive Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "Inactivated Influenza H1N1 vaccine", "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": "64 Years", "sex": "ALL", "summary": "18 Years to 64 Years" }, "enrollment_count": 192, "start_date": "2009-11", "completion_date": "2010-11", "has_results": true, "last_update_posted_date": "2012-05-16", "last_synced_at": "2026-10-10T14:49:55.380Z", "location_count": 6, "location_summary": "Iowa City, Iowa • Baltimore, Maryland • St Louis, Missouri + 3 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/NCT00992433" }, { "nct_id": "NCT00944073", "title": "Peds Sanofi H1N1 Influenza Vaccine Administered at Two Dose Levels", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "Influenza Virus Vaccine, Monovalent A/H1N1 A/California/7/2009 NYMC X-179A", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "6 Months", "maximum_age": "17 Years", "sex": "ALL", "summary": "6 Months to 17 Years" }, "enrollment_count": 583, "start_date": "2009-08", "completion_date": "2010-04", "has_results": true, "last_update_posted_date": "2015-02-18", "last_synced_at": "2026-10-10T14:49:55.380Z", "location_count": 9, "location_summary": "Baltimore, Maryland • Kansas City, Missouri • St Louis, Missouri + 6 more", "locations": [ { "city": "Baltimore", "state": "Maryland" }, { "city": "Kansas City", "state": "Missouri" }, { "city": "St Louis", "state": "Missouri" }, { "city": "Durham", "state": "North Carolina" }, { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT00944073" }, { "nct_id": "NCT01097941", "title": "Effect of Age and Prior Immunity on Response to H1N1 Vaccines in Children", "overall_status": "WITHDRAWN", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "2009 H1N1 Influenza" ], "interventions": [ { "name": "Live Attenuated H1N1 Influenza Vaccine", "type": "BIOLOGICAL" }, { "name": "Influenza A (H1N1) 2009 Monovalent Vaccine", "type": "BIOLOGICAL" }, { "name": "Influenza A (H1N1) 2009 Monovalent Vaccine/ Influenza A (H1N1) Monovalent Vaccine Live", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "University of Rochester", "sponsor_class": "OTHER", "healthy_volunteers": true, "eligibility": { "minimum_age": "4 Years", "maximum_age": "9 Years", "sex": "ALL", "summary": "4 Years to 9 Years" }, "enrollment_count": 0, "start_date": "2010-03", "completion_date": "2010-09", "has_results": false, "last_update_posted_date": "2015-09-24", "last_synced_at": "2026-10-10T14:49:55.380Z", "location_count": 1, "location_summary": "Rochester, New York", "locations": [ { "city": "Rochester", "state": "New York" } ], "official_url": "https://clinicaltrials.gov/study/NCT01097941" }, { "nct_id": "NCT00946101", "title": "A Study to Evaluate the Safety of HIN1 Monovalent Vaccine (MEDI3414) in Children 2 to 17 Years of Age", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "MEDI3414 [Influenza A(H1N1) live attenuated, intranasal]", "type": "BIOLOGICAL" }, { "name": "Placebo", "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": 326, "start_date": "2009-08", "completion_date": "2010-03", "has_results": true, "last_update_posted_date": "2011-08-11", "last_synced_at": "2026-10-10T14:49:55.380Z", "location_count": 16, "location_summary": "Mobile, Alabama • Sacramento, California • San Diego, California + 13 more", "locations": [ { "city": "Mobile", "state": "Alabama" }, { "city": "Sacramento", "state": "California" }, { "city": "San Diego", "state": "California" }, { "city": "San Francisco", "state": "California" }, { "city": "Bardstown", "state": "Kentucky" } ], "official_url": "https://clinicaltrials.gov/study/NCT00946101" }, { "nct_id": "NCT07703514", "title": "Safety and Immunogenicity of Chimeric Hemagglutinin mRNA Vaccine Candidates", "overall_status": "NOT_YET_RECRUITING", "study_type": "INTERVENTIONAL", "phases": [ "PHASE1" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "cH15/3", "type": "BIOLOGICAL" }, { "name": "cH4/3", "type": "BIOLOGICAL" }, { "name": "cH5/1N1", "type": "BIOLOGICAL" }, { "name": "cH8/1N1", "type": "BIOLOGICAL" }, { "name": "Saline", "type": "DRUG" } ], "intervention_types": [ "BIOLOGICAL", "DRUG" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": "59 Years", "sex": "ALL", "summary": "18 Years to 59 Years" }, "enrollment_count": 60, "start_date": "2026-09-18", "completion_date": "2027-04-12", "has_results": false, "last_update_posted_date": "2026-10-09", "last_synced_at": "2026-10-10T14:49:55.380Z", "location_count": 1, "location_summary": "Baltimore, Maryland", "locations": [ { "city": "Baltimore", "state": "Maryland" } ], "official_url": "https://clinicaltrials.gov/study/NCT07703514" }, { "nct_id": "NCT00953524", "title": "A Study of Different Formulations of an A/H1N1 Pandemic Vaccine in Healthy Adults and the Elderly", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Influenza", "Swine-origin A/H1N1 Influenza" ], "interventions": [ { "name": "Monovalent Subvirion A/H1N1 Influenza vaccine (7.5 µg of HA)", "type": "BIOLOGICAL" }, { "name": "Monovalent Subvirion A/H1N1 Influenza vaccine (15 µg of HA)", "type": "BIOLOGICAL" }, { "name": "Monovalent Subvirion A/H1N1 Influenza vaccine (30 µg of HA)", "type": "BIOLOGICAL" }, { "name": "Normal saline solution (placebo)", "type": "BIOLOGICAL" } ], "intervention_types": [ "BIOLOGICAL" ], "sponsor": "Sanofi Pasteur, a Sanofi Company", "sponsor_class": "INDUSTRY", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 849, "start_date": "2009-08", "completion_date": "2010-12", "has_results": true, "last_update_posted_date": "2014-03-10", "last_synced_at": "2026-10-10T14:49:55.380Z", "location_count": 15, "location_summary": "Hoover, Alabama • Chandler, Arizona • Phoenix, Arizona + 12 more", "locations": [ { "city": "Hoover", "state": "Alabama" }, { "city": "Chandler", "state": "Arizona" }, { "city": "Phoenix", "state": "Arizona" }, { "city": "Anaheim", "state": "California" }, { "city": "South Miami", "state": "Florida" } ], "official_url": "https://clinicaltrials.gov/study/NCT00953524" }, { "nct_id": "NCT00963157", "title": "Sanofi H1N1 Influenza Vaccine Administered at Different Dose Levels With and Without AS03 Adjuvant in Healthy Adult and Elderly Populations", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "Influenza" ], "interventions": [ { "name": "AS03", "type": "DRUG" }, { "name": "Influenza Virus Vaccine, Monovalent A/H1N1 A/California/7/2009 NYMC X-179A", "type": "BIOLOGICAL" } ], "intervention_types": [ "DRUG", "BIOLOGICAL" ], "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)", "sponsor_class": "NIH", "healthy_volunteers": true, "eligibility": { "minimum_age": "18 Years", "maximum_age": null, "sex": "ALL", "summary": "18 Years and older" }, "enrollment_count": 789, "start_date": "2009-09", "completion_date": "2010-12", "has_results": true, "last_update_posted_date": "2014-12-24", "last_synced_at": "2026-10-10T14:49:55.380Z", "location_count": 7, "location_summary": "Stanford, California • Decatur, Georgia • Iowa City, Iowa + 3 more", "locations": [ { "city": "Stanford", "state": "California" }, { "city": "Decatur", "state": "Georgia" }, { "city": "Iowa City", "state": "Iowa" }, { "city": "Baltimore", "state": "Maryland" }, { "city": "Cincinnati", "state": "Ohio" } ], "official_url": "https://clinicaltrials.gov/study/NCT00963157" }, { "nct_id": "NCT00945893", "title": "A Study to Evaluate the Safety of H1N1 Monovalent Vaccine (MEDI3414) in Healthy Adults", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE4" ], "conditions": [ "Healthy" ], "interventions": [ { "name": "MEDI3414 [Influenza A/H1N1 live attenuated, intranasal]", "type": "BIOLOGICAL" }, { "name": "Placebo", "type": "OTHER" } ], "intervention_types": [ "BIOLOGICAL", "OTHER" ], "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": 300, "start_date": "2009-08", "completion_date": "2010-03", "has_results": true, "last_update_posted_date": "2011-09-12", "last_synced_at": "2026-10-10T14:49:55.380Z", "location_count": 5, "location_summary": "Daytona Beach, Florida • Miami, Florida • South Miami, Florida + 2 more", "locations": [ { "city": "Daytona Beach", "state": "Florida" }, { "city": "Miami", "state": "Florida" }, { "city": "South Miami", "state": "Florida" }, { "city": "Kansas City", "state": "Missouri" }, { "city": "Nashville", "state": "Tennessee" } ], "official_url": "https://clinicaltrials.gov/study/NCT00945893" }, { "nct_id": "NCT00992017", "title": "Safety of and Immune Response to an H1N1 Influenza Vaccine in HIV Infected Pregnant Women", "overall_status": "COMPLETED", "study_type": "INTERVENTIONAL", "phases": [ "PHASE2" ], "conditions": [ "HIV Infections", "H1N1 Influenza Virus" ], "interventions": [ { "name": "Influenza A (H1N1) monovalent vaccine", "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": "39 Years", "sex": "FEMALE", "summary": "18 Years to 39 Years · Female only" }, "enrollment_count": 130, "start_date": "2009-10", "completion_date": "2010-11", "has_results": true, "last_update_posted_date": "2021-11-05", "last_synced_at": "2026-10-10T14:49:55.380Z", "location_count": 29, "location_summary": "Alhambra, California • La Jolla, California • Long Beach, California + 22 more", "locations": [ { "city": "Alhambra", "state": "California" }, { "city": "La Jolla", "state": "California" }, { "city": "Long Beach", "state": "California" }, { "city": "Los Angeles", "state": "California" }, { "city": "San Francisco", "state": "California" } ], "official_url": "https://clinicaltrials.gov/study/NCT00992017" } ] }