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ClinicalTrials.gov public records Last synced Oct 2, 2026, 1:04 PM EDT

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Showing 1–19 of 19 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Protein Sciences Corporation Clear all
Completed Phase 1 Interventional

A Phase I/II Dose Escalation Study of Intradermal gp160 to Evaluate Safety, Delayed Type Hypersensitivity (Skin Test) Responses and Immunogenicity in Asymptomatic HIV Seropositive Patients With More Than 400 CD4+ Cells

NCT00000667
View directory record Official record
Conditions
HIV Infections
Interventions
gp160 Vaccine (MicroGeneSys)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1993
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity, Safety, Reactogenicity, Efficacy, Effectiveness and Lot Consistency of FluBlok

NCT00539981
View directory record Official record
Conditions
Influenza
Interventions
FluBlok®, Placebo
Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 49 Years
Enrollment
4,648 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
24
States / cities
Beverly Hills, California • Sacramento, California • San Francisco, California + 20 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2022 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Multicenter Trial to Evaluate the Safety and Immunogenicity of HIV-1 Recombinant Envelope Glycoprotein gp160

NCT00000757
View directory record Official record
Conditions
HIV Infections
Interventions
gp160 Vaccine (MicroGeneSys)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 1992
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 2, 2026, 1:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Post-Marketing Observational Study of Safety Following Vaccination With Flublok® Compared to Licensed IIV in Adults

NCT02600585
View directory record Official record
Conditions
Human Influenza
Interventions
Recombinant Influenza Vaccine, Inactivated Influenza Vaccine
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
254,648 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Trial to Evaluate the Immunogenicity and Safety of Panblok® (H7 rHA) in Healthy Adults Aged 18 and Older

NCT02464163
View directory record Official record
Conditions
Influenza
Interventions
Panblok, rHA adjuvant
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
18 Years and older
Enrollment
407 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
9
States / cities
Mobile, Alabama • DeLand, Florida • Savannah, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety, Reactogenicity and Immunogenicity of Flublok Quadrivalent (Recombinant Influenza Vaccine,Seasonal Formulation)

NCT01959945
View directory record Official record
Conditions
Influenza
Interventions
Flublok® Quadrivalent Influenza Virus Vaccine, Fluarix Quadrivalent® Influenza Virus Vaccine
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
6 Years to 17 Years
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Auburn, Maine
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Comparison of the Safety of Flublok® Versus Licensed IIV in Healthy, Medically Stable Adults ≥ 50 Years of Age

NCT01825200
View directory record Official record
Conditions
Influenza
Interventions
Flublok, Afluria
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
50 Years and older
Enrollment
2,640 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
14
States / cities
Tucson, Arizona • Coral Gables, Florida • Savannah, Georgia + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2015 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Multicenter Trial to Evaluate the Safety and Immunogenicity of HIV-1 Recombinant Envelope Glycoprotein gp160

NCT00000956
View directory record Official record
Conditions
HIV Infections
Interventions
gp160 Vaccine (MicroGeneSys)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 1993
U.S. locations
2
States / cities
St Louis, Missouri • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Comparison of the Immunogenicity, Safety and Reactogenicity of FluBlok, To a Licensed Vaccine In Elderly Adults

NCT00395174
View directory record Official record
Conditions
Influenza
Interventions
Influenza Vaccination
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
65 Years and older
Enrollment
870 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
7
States / cities
Baltimore, Maryland • Rochester, Minnesota • Shrewsbury, New Jersey + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2009 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 1 Interventional

Active Immunization of Asymptomatic, HIV-Infected Individuals With Recombinant GP160 HIV-1 Antigen: A Phase I/II Study of Immunogenicity and Toxicity

NCT00000977
View directory record Official record
Conditions
HIV Infections
Interventions
gp160 Vaccine (MicroGeneSys)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1993
U.S. locations
2
States / cities
Palo Alto, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of PanBlok Influenza Vaccine in Healthy Adults

NCT01147068
View directory record Official record
Conditions
Influenza
Interventions
0.5mL Intramuscular Injection
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
392 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
4
States / cities
Overland Park, Kansas • Omaha, Nebraska • Rochester, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2012 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Immunogenicity and Safety of Trivalent Recombinant Hemagglutinin Influenza Vaccine in Healthy Adults

NCT00328107
View directory record Official record
Conditions
Influenza
Interventions
Influenza Vaccine, recombinant Hemagglutinin
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
459 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
3
States / cities
Rochester, New York • Cincinnati, Ohio • Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 12, 2010 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Flublok Quadrivalent vs IIV4 in Adults 18-49 Years of Age

NCT02290509
View directory record Official record
Conditions
Influenza
Interventions
Flublok Quadrivalent, Inactivated Influenza Vaccine (IIV4)
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
1,350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
10
States / cities
Sacramento, California • Coral Gables, Florida • Savannah, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Immunogenicity and Safety of FluBlok Trivalent Recombinant Hemagglutinin Influenza Vaccine in Healthy Pediatrics

NCT00336453
View directory record Official record
Conditions
Influenza
Interventions
Influenza Vaccination
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
6 Months to 59 Months
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
3
States / cities
Bardstown, Kentucky • St Louis, Missouri • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2009 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Protective Efficacy of Flublok® Quadrivalent Versus Licensed Inactivated Influenza Vaccine in Adults ≥50 Years of Age

NCT02285998
View directory record Official record
Conditions
Influenza
Interventions
Flublok Quadrivalent Influenza Vaccine, Inactivated Influenza Vaccine
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
50 Years and older
Enrollment
9,003 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
38
States / cities
Mobile, Alabama • Tempe, Arizona • Little Rock, Arkansas + 34 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2017 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Reactogenicity of FluBlok and Comparison of Immunogenicity, Efficacy and Effectiveness Against TIV

NCT00539864
View directory record Official record
Conditions
Influenza
Interventions
FluBlok Influenza Vaccination, TIV (Fluzone) Influenza Vaccination
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
50 Years to 64 Years
Enrollment
602 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
5
States / cities
Fresno, California • Hayward, California • Roseville, California + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2011 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase I Multicenter, Randomized, Double-Blind, Placebo-Controlled Trial to Evaluate the Safety and Immunogenicity of HIV-1 Recombinant Envelope Glycoprotein gp160

NCT00000745
View directory record Official record
Conditions
HIV Infections
Interventions
Hepatitis B Vaccine (Recombinant), gp160 Vaccine (MicroGeneSys)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 1991
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 1 Interventional

A Placebo-Controlled, Phase I Clinical Trial to Evaluate the Safety and Immunogenicity of Recombinant Envelope Proteins of HIV-1 gp160 and gp120 in Children >= 1 Month Old With Asymptomatic HIV Infection

NCT00000762
View directory record Official record
Conditions
HIV Infections
Interventions
rgp120/HIV-1MN, rgp120/HIV-1 SF-2, gp160 Vaccine (MicroGeneSys)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Month to 18 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
33
States / cities
Long Beach, California • Los Angeles, California • Oakland, California + 21 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 2, 2026, 1:04 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of PanBlok Influenza Vaccine in Healthy Adults

NCT01612000
View directory record Official record
Conditions
Influenza
Interventions
PanBlok, rHA adjuvant
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
341 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
5
States / cities
Omaha, Nebraska • Rochester, New York • Austin, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2015 · Synced Oct 2, 2026, 1:04 PM EDT