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ClinicalTrials.gov public records Last synced May 22, 2026, 12:14 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Streptococcal Infections Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
20vPnC, 13vPnC
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 49 Years
Enrollment
1,710 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
21
States / cities
Anaheim, California • Sacramento, California • San Jose, California + 16 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2020 · Synced May 22, 2026, 12:14 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Multivalent, Prevnar 13
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
565 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
48
States / cities
Mobile, Alabama • Harrisburg, Arkansas • Anaheim, California + 34 more
Source: ClinicalTrials.gov public record
Updated Nov 29, 2021 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 3 Interventional Results available
View directory record Official record
Conditions
Obsessive-Compulsive Disorder, Children, Anxiety Disorder, Autoimmune Disease, PANDAS
Interventions
Gamunex Intravenous Immunoglobulin, Placebo
Drug
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
4 Years to 13 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 16, 2020 · Synced May 22, 2026, 12:14 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
PANDAS, PANS, PANS Pediatric Acute-Onset Neuropsychiatric Syndrome, Pediatric Acute-onset Neuropsychiatric Syndrome (PANS), Pediatric Acute-Onset Neuropsychiatric Syndrome, Pediatric Autoimmune Neuropsychiatric Disorders Associated With Streptococcal Infections
Interventions
Not listed
Lead sponsor
Brain Inflammation Collaborative
Other
Eligibility
2 Years to 89 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Delafield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
Low dose multivalent pneumococcal conjugate vaccine formulation A, Low dose multivalent pneumococcal conjugate vaccine formulation B, Low dose of multivalent pneumococcal conjugate vaccine control, Standard dose multivalent pneumococcal conjugate vaccine control
Other · Biological
Lead sponsor
Pfizer
Industry
Eligibility
50 Years to 64 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
9
States / cities
Hialeah, Florida • Hollywood, Florida • Columbia, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2024 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pneumococcal Vaccines
Interventions
0.5 ml dose of 1.1 mcg VAX-24, 0.5 ml dose of PCV20, 0.5 ml dose of 2.2 mcg VAX-24, 0.5 ml dose of 2.2/4.4 mcg VAX-24
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
42 Days to 89 Days
Enrollment
802 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
32
States / cities
Jonesboro, Arkansas • Madera, California • Tampa, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced May 22, 2026, 12:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Herpes Zoster, Pneumococcal Infections
Interventions
Enhanced immunization delivery model, Immunization update
Behavioral · Other
Lead sponsor
Auburn University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
2
States / cities
Auburn, Alabama • Claremont, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2019 · Synced May 22, 2026, 12:14 AM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
PANDAS, Anxiety Disorder, Autoimmune Diseases, Obsessive-Compulsive Disorder
Interventions
Naproxen Sodium, Placebo
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
6 Years to 15 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 2Phase 3 Interventional
View directory record Official record
Conditions
Impetigo
Interventions
Experimental: CD07223 1.5 % Topical Gel BID, Experimental: CD07223 1.5% Topical Gel TID, Placebo Comparator: CD07223 vehicle gel BID, Placebo Comparator: CD07223 vehicle gel TID
Drug
Lead sponsor
NovaBay Pharmaceuticals, Inc.
Industry
Eligibility
2 Years and older
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
7
States / cities
Bell Gardens, California • Boca Raton, Florida • Hialeah, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2014 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
20-valent pneumococcal conjugate vaccine, 13-valent pneumococcal conjugate vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
1,511 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
41
States / cities
Tucson, Arizona • Fullerton, California • Oxnard, California + 33 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Group B Streptococcal Infections
Interventions
Group B streptoccous 6-valent polysaccharide conjugate vaccine (GBS6)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
20 Years to 51 Years
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
4
States / cities
Stockbridge, Georgia • Bardstown, Kentucky • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 12, 2021 · Synced May 22, 2026, 12:14 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Pharyngitis Bacterial
Interventions
ARIES Group A Strep Assay
Device
Lead sponsor
Luminex Corporation
Industry
Eligibility
Not listed
Enrollment
704 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
5
States / cities
Los Angeles, California • Pensacola, Florida • Kansas City, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
V114, Prevnar 13™
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
42 Days to 90 Days
Enrollment
2,409 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
22
States / cities
Downey, California • Huntington Beach, California • San Diego, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Disease, 13-valent Pneumococcal Vaccine
Interventions
13-valent Pneumococcal Conjugate Vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 5 Years
Enrollment
373 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
21
States / cities
Akiak, Alaska • Bethel, Alaska • Chefornak, Alaska + 18 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2012 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Pharyngitis
Interventions
Amoxicillin Pulsatile Release Multiparticluate Sprinkle
Drug
Lead sponsor
Advancis Pharmaceutical Corporation
Industry
Eligibility
6 Months to 12 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
2
States / cities
Simpsonville, South Carolina • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 24, 2006 · Synced May 22, 2026, 12:14 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Streptococcal Sore Throat
Interventions
Not listed
Lead sponsor
IQuum, Inc.
Industry
Eligibility
3 Years and older
Enrollment
799 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
5
States / cities
Norwich, Connecticut • Savannah, Georgia • Rochester, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2016 · Synced May 22, 2026, 12:14 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pneumococcal Vaccines
Interventions
31 valent pneumococcal conjugate vaccine, PCV20, PCV21
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
18 Years and older
Enrollment
4,049 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
30
States / cities
Birmingham, Alabama • Chinle, Arizona • Whiteriver, Arizona + 27 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
Placebo, PNU-IMUNE®23, Nine-valent pneumococcal conjugate (PNCRM9)
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
65 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2002
U.S. locations
2
States / cities
Rochester, New York • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 16, 2014 · Synced May 22, 2026, 12:14 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Acute Otitis Media (AOM), Strep Pharyngitis, Asthma Exacerbation, Pediatric Asthma
Interventions
Diagnostik home-based platform: multisensor device, software application, and artificial-intelligence algorithms that predict diagnosis of AOM and strep pharyngitis, Diagnostik home-based platform: multisensor device, software application, and artificial-intelligence algorithms that predict diagnosis of wheeze/asthma exacerbation, Routine Asthma Management (in-person and telehealth visits)- Control Group, Routine ENT Management (in-person and telehealth visits)- Control Group
Device · Other
Lead sponsor
Medentum Innovations
Industry
Eligibility
3 Years to 17 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Tuscon, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Pneumonia, Pneumococcal Infections, Infections, Streptococcus Pneumoniae
Interventions
Prevnar, Pneumovax
Biological
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 4, 2017 · Synced May 22, 2026, 12:14 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Group A Streptococcus
Interventions
Not listed
Lead sponsor
Quidel Corporation
Industry
Eligibility
3 Years and older
Enrollment
1,708 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
7
States / cities
Phoenix, Arizona • Boynton Beach, Florida • Delray Beach, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2017 · Synced May 22, 2026, 12:14 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Group A Streptococcal Infection
Interventions
Strepic® Device
Device
Lead sponsor
David A. Talan
Other
Eligibility
7 Years to 64 Years
Enrollment
426 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Sylmar, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced May 22, 2026, 12:14 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
PANS, PANDAS
Interventions
No intervention
Other
Lead sponsor
University of Minnesota
Other
Eligibility
4 Years to 16 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 10, 2020 · Synced May 22, 2026, 12:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
Pneumococcal 13-valent Conjugate Vaccine [Diphtheria CRM197 Protein]
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
55 Years to 74 Years
Enrollment
884 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
7
States / cities
Decatur, Georgia • Iowa City, Iowa • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2017 · Synced May 22, 2026, 12:14 AM EDT