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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: H1N1 Clear all
Terminated Not applicable Interventional Results available

STIP: Statin Trial for Influenza Patients

NCT00970606
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Influenza, H1N1 Influenza
Interventions
Rosuvastatin (crestor), Placebo
Drug
Lead sponsor
Gordon Bernard
Other
Eligibility
13 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
21
States / cities
Little Rock, Alaska • Phoenix, Arizona • Stanford, California + 17 more
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Sep 23, 2026, 3:55 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 Sep 23, 2026, 3:55 PM EDT
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 Sep 23, 2026, 3:55 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 Sep 23, 2026, 3:55 PM EDT
Completed No phase listed Observational

Novel Influenza A (H1N1) Surveillance Registry

NCT01046331
View directory record Official record
Conditions
Novel Influenza A, H1N1, Influenza
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
894 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
86
States / cities
Anchorage, Alaska • Phoenix, Arizona • Little Rock, Arkansas + 52 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 23, 2026, 3:55 PM EDT
Completed No phase listed Observational

Immunogenicity and Safety of Inactivated H1N1 Swine-origin Influenza Monovalent Vaccine in Immunocompromised Children and Young Adults

NCT01000571
View directory record Official record
Conditions
H1N1 Pandemic Flu
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
6 Months to 21 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 6, 2011 · Synced Sep 23, 2026, 3:55 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 Sep 23, 2026, 3:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacodynamic Open-Label Trial With VXA-A1.1 Oral H1 Vaccine in Healthy Adults

NCT03121339
View directory record Official record
Conditions
Seasonal Influenza Preventative Vaccine Pharmacodynamics
Interventions
VXA-A1.1 H1 Tablet Vaccine (small), VXA-A1.1 H1 Tablet Vaccine (large)
Biological
Lead sponsor
Vaxart
Industry
Eligibility
18 Years to 49 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 29, 2018 · Synced Sep 23, 2026, 3:55 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Safety and Immunogenicity of H1N1 Vaccine

NCT01177202
View directory record Official record
Conditions
H1N1 Flu
Interventions
HAC1 Vaccine
Biological
Lead sponsor
Fraunhofer, Center for Molecular Biotechnology
Industry
Eligibility
18 Years to 50 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 25, 2016 · Synced Sep 23, 2026, 3:55 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 Sep 23, 2026, 3:55 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 Sep 23, 2026, 3:55 PM EDT
Completed Not applicable Interventional Results available

The Respiratory Protection Effectiveness Clinical Trial

NCT01249625
View directory record Official record
Conditions
Influenza, Respiratory Syncytial Viruses, Paramyxoviridae Infections, Coronavirus, Rhinovirus
Interventions
N95 Respirator, Medical/surgical mask
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
2,862 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2018
U.S. locations
7
States / cities
Aurora, Colorado • Denver, Colorado • Washington D.C., District of Columbia + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Sep 23, 2026, 3:55 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 Sep 23, 2026, 3:55 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 Sep 23, 2026, 3:55 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of an H1N1 Influenza Vaccine in People With Asthma

NCT00978120
View directory record Official record
Conditions
H1N1 Influenza Virus
Interventions
H1N1 vaccine high dose, H1N1 vaccine low dose
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
7
States / cities
Atlanta, Georgia • St Louis, Missouri • Winston-Salem, North Carolina + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2012 · Synced Sep 23, 2026, 3:55 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Sanofi H1N1 Influenza Vaccine Administered at Two Dose Levels in Adult and Elderly Populations

NCT00943631
View directory record Official record
Conditions
Influenza
Interventions
Inactivated H1N1 Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
406 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
3
States / cities
Baltimore, Maryland • Durham, North Carolina • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 30, 2012 · Synced Sep 23, 2026, 3:55 PM EDT
Completed Phase 2 Interventional Results available

Exploring Safety & Clinical Benefit of Anti-Influenza Immunoglobulin Intravenous in Hospitalized Adults With Influenza A

NCT03315104
View directory record Official record
Conditions
Influenza A H3N2, Influenza A H1N1
Interventions
FLU-IGIV, Placebo for FLU-IGIV
Biological · Other
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
42
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 34 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2024 · Synced Sep 23, 2026, 3:55 PM EDT
Completed Phase 2 Interventional Results available

Safety of and Immune Response to an H1N1 Influenza Virus Vaccine in HIV Infected Children and Youth

NCT00992836
View directory record Official record
Conditions
HIV Infections, H1N1 Influenza Virus
Interventions
Influenza A (H1N1) 2009 monovalent vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
4 Years to 25 Years
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
35
States / cities
Birmingham, Alabama • Alhambra, California • La Jolla, California + 25 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Sep 23, 2026, 3:55 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study of Different Formulations of an Adjuvanted A/H1N1 Pandemic Vaccine in Healthy Adults and the Elderly

NCT00952276
View directory record Official record
Conditions
Influenza, Swine-origin A/H1N1 Influenza
Interventions
Monovalent Subvirion A/H1N1 influenza vaccine with adjuvant, Monovalent Subvirion A/H1N1 influenza vaccine, Normal saline solution
Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
548 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
15
States / cities
Anaheim, California • Fountain Valley, California • South Miami, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2011 · Synced Sep 23, 2026, 3:55 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Sanofi Pasteur, TIV + H1N1, Pediatric Population

NCT00943202
View directory record Official record
Conditions
Influenza
Interventions
Inactivated H1N1 Vaccine, Trivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 17 Years
Enrollment
531 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
8
States / cities
Atlanta, Georgia • Iowa City, Iowa • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2013 · Synced Sep 23, 2026, 3:55 PM EDT
Completed No phase listed Observational

Collection and Extraction of Respiratory Specimens

NCT01083511
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
QIAGEN Gaithersburg, Inc
Industry
Eligibility
Not listed
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
3
States / cities
Tucson, Arizona • Chapel Hill, North Carolina • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 13, 2014 · Synced Sep 23, 2026, 3:55 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 Sep 23, 2026, 3:55 PM EDT
Completed No phase listed Observational

Clinical Characteristics and Outcomes in Patients Diagnosed With Novel Influenza A (H1N1)

NCT01024673
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 22, 2021 · Synced Sep 23, 2026, 3:55 PM EDT
Completed Not applicable Interventional Results available

Evaluating the Use of Oseltamivir for the Treatment of Influenza in Adults

NCT01314911
View directory record Official record
Conditions
Influenza, Human
Interventions
Oseltamivir, Placebo
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
716 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
44
States / cities
Chandler, Arizona • Costa Mesa, California • Garden Grove, California + 37 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Sep 23, 2026, 3:55 PM EDT