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Showing 1–17 of 17 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: 2009 H1N1 Influenza Virus Clear all
Terminated Phase 4 Interventional Results available

A Study of Tamiflu (Oseltamivir) for Treatment of Influenza With a Focus on (H1N1) 2009 Flu Strain

NCT01032837
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
1 Year and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
100
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 91 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2012 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Influenza A 2009 H1N1 Challenge Study in Healthy Adults

NCT01646138
View directory record Official record
Conditions
Influenza
Interventions
Ca/04/2009/H1N1 Vero Grown Challenge Virus
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 8, 2016 · Synced Jun 26, 2026, 4:02 PM EDT
Completed No phase listed Observational

Laboratory Study of Licensed H1N1 Influenza Vaccines in HIV-1 Perinatally Infected Children and Youth

NCT01484522
View directory record Official record
Conditions
HIV-1 Infection, H1N1, Influenza, Flu
Interventions
FluMist, Fluvirin, Fluzone
Biological
Lead sponsor
International Maternal Pediatric Adolescent AIDS Clinical Trials Group
Network
Eligibility
6 Months to 25 Years
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
16
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 13 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2011 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

H1N1v Virus Challenge Study in Healthy Subjects

NCT04044352
View directory record Official record
Conditions
Influenza
Interventions
Influenza A/Bethesda/MM2/H1N1 Challenge
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
4
States / cities
Baltimore, Maryland • St Louis, Missouri • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of H1N1 Vaccines in Adults Aged 18 Years and Older

NCT00985088
View directory record Official record
Conditions
Influenza
Interventions
GSK2340274A, GSK2340273A, Saline placebo
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
1,343 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
10
States / cities
Huntsville, Alabama • Jacksonville, Florida • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Jun 26, 2026, 4:02 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Effect of Age and Prior Immunity on Response to H1N1 Vaccines in Children

NCT01097941
View directory record Official record
Conditions
2009 H1N1 Influenza
Interventions
Live Attenuated H1N1 Influenza Vaccine, Influenza A (H1N1) 2009 Monovalent Vaccine, Influenza A (H1N1) 2009 Monovalent Vaccine/ Influenza A (H1N1) Monovalent Vaccine Live
Biological
Lead sponsor
University of Rochester
Other
Eligibility
4 Years to 9 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immune Response of Candidate H1N1 Influenza Vaccine GSK2340274A Following Seasonal Influenza Vaccination in Adults

NCT01059617
View directory record Official record
Conditions
Influenza
Interventions
GSK Biologicals' FluLaval®, Placebo (saline), GSK Biologicals' investigational H1N1 Influenza Vaccine - GSK2340274A, GSK Biologicals' investigational H1N1 Influenza Vaccine - GSK2340273A
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
19 Years to 40 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
3
States / cities
Milford, Massachusetts • Salisbury, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 19, 2018 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Age on Response to the 2009 H1N1 Virus Vaccine

NCT01055184
View directory record Official record
Conditions
2009 H1N1 Influenza Virus
Interventions
2009 H1N1 Virus Vaccine
Biological
Lead sponsor
University of Rochester
Other
Eligibility
60 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2010
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 29, 2016 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Clinical Trial of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in a Healthy Pediatric Population in the USA

NCT00958243
View directory record Official record
Conditions
Influenza
Interventions
CSL's 2009 H1N1 Influenza Vaccine (CSL425), Placebo
Biological
Lead sponsor
Seqirus
Industry
Eligibility
6 Months to 9 Years
Enrollment
473 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
13
States / cities
Chandler, Arizona • Melbourne, Florida • Bardstown, Kentucky + 10 more
Source: ClinicalTrials.gov public record
Updated May 22, 2018 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Age and Prior Immunity to Response to Seasonal Influenza Vaccines in Children

NCT01246999
View directory record Official record
Conditions
Influenza
Interventions
Live attenuated Influenza vaccine, Trivalent Influenza Vaccine, TIV followed by LAIV, LAIV followed by TIV
Biological
Lead sponsor
University of Rochester
Other
Eligibility
2 Years to 9 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
2
States / cities
Lebanon, New Hampshire • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 28, 2016 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Clinical Trial of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in Healthy Adults in the USA

NCT00958126
View directory record Official record
Conditions
Influenza
Interventions
CSL425, Placebo
Biological
Lead sponsor
Seqirus
Industry
Eligibility
18 Years and older
Enrollment
1,313 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
11
States / cities
Huntsville, Alabama • San Diego, California • Melbourne, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2017 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of H1N1 Vaccine With Trivalent Inactivated Seasonal Influenza Vaccine in Adults

NCT00985673
View directory record Official record
Conditions
Influenza
Interventions
GSK2340274A, GSK2340273A, Seasonal trivalent influenza vaccine (TIV), Saline placebo
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
19 Years to 40 Years
Enrollment
611 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
4
States / cities
Stockbridge, Georgia • Raleigh, North Carolina • Austin, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2018 · Synced Jun 26, 2026, 4:02 PM EDT
Withdrawn No phase listed Observational

2009 H1N1 Pandemic and Seasonal Influenza in SCI/D: Infection Control Strategies

NCT01270685
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Hines, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 25, 2015 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of H1N1 Vaccines in Children Aged 6 Months to Less Than 9 Years of Age

NCT00976820
View directory record Official record
Conditions
Influenza
Interventions
GSK2340274A, GSK2340273A
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 8 Years
Enrollment
323 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
17
States / cities
Conway, Arkansas • Little Rock, Arkansas • Sacramento, California + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety, Immunogenicity, and Relative Efficacy of H1N1 Vaccines in Adults Aged 18 Years and Older

NCT00979602
View directory record Official record
Conditions
Influenza
Interventions
GSK2340274A, GSK2340273A
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
4,048 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
25
States / cities
Mesa, Arizona • Phoenix, Arizona • Los Angeles, California + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2018 · Synced Jun 26, 2026, 4:02 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Pivotal, Multicenter, Observer-Blind, Randomized Study of Influenza A (H1N1)2009 Monovalent Subunit Vaccine With and Without Adjuvant in Children Ages 6 to <36 Months

NCT00996307
View directory record Official record
Conditions
Influenza
Interventions
MF59-eH1N1_f
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
6 Months to 35 Months
Enrollment
654 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
28
States / cities
Bentonville, Arkansas • Fort Smith, Arkansas • Canoga Park, California + 25 more
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Jun 26, 2026, 4:02 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Safety and Effectiveness of a Seasonal Live Attenuated Influenza Vaccine in a Human Challenge Model of Infection With Wild-type (wt) Influenza A/California/2009 (H1N1)-Like Virus

NCT02950688
View directory record Official record
Conditions
Influenza, Human
Interventions
Seasonal LAIV, Placebo, Wild-type A/California/2009-like Influenza Virus
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 28, 2017 · Synced Jun 26, 2026, 4:02 PM EDT