Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 23, 2026, 10:13 AM EDT

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

Showing 73–96 of 177 matching trials from the live ClinicalTrials.gov search.
Completed Phase 4 Interventional Results available

Pneumococcal Vaccines in Patients With Asthma

NCT03260790
Conditions
Asthma
Interventions
PCV13, PPSV23
Biological
Lead sponsor
Mayo Clinic
Other
Eligibility
19 Years to 64 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
HIV Infections
Interventions
Thalidomide
Drug
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
New York, New York
Conditions
PREVENTION OF INVASIVE PNEUMOCOCCAL DISEASE
Interventions
13-valent pneumococcal conjugate vaccine, Seasonal Inactivated Influenza Vaccine, Placebo
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
882 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
44
States / cities
Birmingham, Alabama • Huntsville, Alabama • Scottsdale, Arizona + 37 more
Conditions
Pneumococcal Infections
Interventions
13-valent pneumococcal conjugate vaccine (13vPnC), 23-valent Pneumococcal Polysaccharide Vaccine (23vPS)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 64 Years
Enrollment
2,141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
26
States / cities
Huntsville, Alabama • Chandler, Arizona • Phoenix, Arizona + 19 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Study Evaluating Pneumococcal Vaccine in Healthy Infants

NCT00205803
Conditions
Healthy Subjects, Pneumococcal Infections
Interventions
13-Valent Pneumococcal Conjugate Vaccine (13vPnC), 7-Valent Pneumococcal Conjugate Vaccine (7vPnC)
Biological
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
249 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
New York, New York
Conditions
Study is Open to Seniors Age 50 or Older
Interventions
Pharmacist Pneumococcal Vaccine Program (PPVP)
Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
50 Years and older
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
HIV Infections, Hepatitis B, Measles, Pneumococcal Infections, Pertussis
Interventions
Diphtheria & Tetanus Toxoids & Acellular Pertussis Vaccine Adsorbed, Measles-Mumps-Rubella Vaccine (Live), Pneumococcal Vaccine, Polyvalent (23-valent), Pneumococcal Conjugate Vaccine, Heptavalent, Hepatitis B Vaccine (Recombinant)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 18 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
38
States / cities
Birmingham, Alabama • Long Beach, California • Los Angeles, California + 26 more
Conditions
Rheumatoid Arthritis
Interventions
CP-690,550, placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
51
States / cities
Gilbert, Arizona • Paradise Valley, Arizona • Jonesboro, Arkansas + 45 more
Completed Phase 4 Interventional Accepts healthy volunteers

PPV: Pneumococcal Polysaccharide Vaccine in Older Adults

NCT00239694
Conditions
Aging
Interventions
Pneumococcal Vaccine, Meningococcal Vaccine
Biological
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
65 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Healthy
Interventions
Large volume blood draw
Procedure
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2016
U.S. locations
1
States / cities
Secaucus, New Jersey
Conditions
Pneumococcal Infection
Interventions
V110, V114, mRNA-1273, Placebo for V110, Placebo for V114
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years and older
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
42
States / cities
North Hollywood, California • Northridge, California • Paramount, California + 38 more
Conditions
Apnea, Apnea Neonatal, Prematurity
Interventions
PCV13, DTaP, HBV, IPV, Hib
Biological
Lead sponsor
Duke University
Other
Eligibility
6 Weeks and older
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
4
States / cities
Atlanta, Georgia • Chapel Hill, North Carolina • Durham, North Carolina + 1 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Enhancing a Sustainable Pharmacy-based Immunization Program in Two States

NCT02615470
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
Conditions
Pneumonia
Interventions
Pre and post vaccination titers
Other
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Pneumonia, Bacterial, Healthy Volunteers, Pneumococcal Disease
Interventions
ASP3772, PCV13, PPSV23
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 85 Years
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
26
States / cities
Banning, California • San Diego, California • San Marcos, California + 21 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Comparing Two Pneumococcal Vaccines in Adults With Chronic Obstructive Pulmonary Disease

NCT00457977
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Pneumovax (PPSV23), Prevnar (PCV7)
Biological
Lead sponsor
University of Minnesota
Other
Eligibility
40 Years and older
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
18
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 8 more
Conditions
Pneumococcal Infections
Interventions
V114, Prevnar 13™, PNEUMOVAX™23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years and older
Enrollment
652 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
15
States / cities
Chandler, Arizona • Phoenix, Arizona • Spring Valley, California + 12 more
Conditions
Pneumococcal Disease
Interventions
PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
15 Months to 17 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
57
States / cities
Birmingham, Alabama • Guntersville, Alabama • Fair Oaks, California + 37 more
Conditions
Lymphoma
Interventions
PCV20
Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Houston, Texas
Conditions
Pneumonia, Bacterial, Pneumococcal Infections, Pneumonia, Pneumococcal
Interventions
AFX3772, Prevnar 13, Prevnar 20
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
42 Days to 90 Days
Enrollment
388 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
48
States / cities
Jonesboro, Arkansas • Gardena, California • Los Angeles, California + 39 more
Conditions
Relapsing Forms of Multiple Sclerosis
Interventions
dimethyl fumarate, tetanus diphtheria toxoids vaccine, 23-valent pneumococcal polysaccharide vaccine, meningococcal polysaccharide diphtheria conjugate vaccine (quadrivalent), non-pegylated interferon
Drug · Biological
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 55 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
14
States / cities
Gilbert, Arizona • Thornton, Colorado • Fort Lauderdale, Florida + 11 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of 20vPnC Coadministered With SIIV in Adults ≥65 Years of Age

NCT04526574
Conditions
Pneumococcal Disease
Interventions
Experimental 20-valent pneumococcal conjugate vaccine (20vPnC), Saline, Influenza vaccine
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
1,796 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
63
States / cities
Mobile, Alabama • Chandler, Arizona • Phoenix, Arizona + 53 more
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Pneumococcal 20-valent Conjugate Vaccine, Pneumococcal Polyvalent Vaccine
Biological
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
High Risk for Serious Influenza, High Risk for Pneumonia
Interventions
Influenza vaccination, Pneumococcal polysaccharide vaccination
Biological
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Baton Rouge, Louisiana