Status
Study
Lead sponsor
Phase
Enrol
US states
Start
Recruiting
Pfizer
Phase 3
1,100
California, Florida, Maryland, New Jersey, North Carolina, Texas
2026-08-20
Recruiting
Pfizer
Phase 3
336
California, Florida, Illinois, Indiana, Iowa, Maryland, Michigan, North Carolina
2026-07-30
Recruiting
Pfizer
Phase 3
954
California, Florida, Illinois, Indiana, Kentucky, Maryland, Michigan, Nebraska
2026-06-10
Recruiting
Pfizer
Phase 2/3
840
California, Colorado, Florida, Illinois, Maryland, Nevada, New Jersey, New York
2026-05-14
Active, closed
Pfizer
Phase 2
940
Arizona, California, Florida, Georgia, Illinois, Kansas, Louisiana, Maryland
2026-05-11
Recruiting
Pfizer
Phase 1/2
132
Arkansas, California, Colorado, Connecticut, District of Columbia, Georgia, Illinois, Maryland
2026-03-11
Active, closed
Pfizer
Phase 3
1,078
California, Colorado, Florida, Georgia, Maryland, Missouri, Nebraska, New Jersey
2026-02-24
Recruiting
Pfizer
Phase 3
1,410
Arizona, Arkansas, California, Florida, Illinois, Indiana, Louisiana, Maryland
2026-01-06
Active, closed
Pfizer
Phase 3
3,578
Arizona, California, Colorado, Florida, Georgia, Maryland, Missouri, Nebraska
2025-12-19
Recruiting
Pfizer
Phase 2
200
Arizona, Arkansas, California, Colorado, Illinois, Maryland, Michigan, Oklahoma
2025-10-30
Recruiting
Pfizer
Phase 3
140
California, Florida, Indiana, Maryland, Michigan, Nebraska, New Mexico, New York
2025-09-10
Recruiting
Pfizer
Phase 3
6,000
Alabama, Arizona, California, Colorado, Florida, Idaho, Louisiana, Maryland
2025-08-25
Recruiting
Pfizer
Phase 3
400
Arizona, California, Colorado, Connecticut, District of Columbia, Georgia, Illinois, Maryland
2025-08-05
Active, closed
Pfizer
Phase 3
208
California, Colorado, District of Columbia, Florida, Illinois, Indiana, Maryland, Michigan
2025-07-31
Recruiting
Pfizer
Phase 3
300
California, Colorado, District of Columbia, Florida, Georgia, Idaho, Illinois, Maryland
2025-07-14
Recruiting
Pfizer
Phase 2
620
California, Florida, Illinois, Indiana, Maryland, Nebraska, Ohio, Texas
2025-06-19
Recruiting
Pfizer
Observational
300
Arizona, California, Colorado, Florida, Illinois, Maryland, New Jersey, New York
2024-09-17
Active, closed
Pfizer
Observational
450
Alabama, California, Florida, Iowa, Maryland, Massachusetts, Michigan, Minnesota
2024-08-07
Active, closed
Pfizer
Phase 1
100
Florida, Georgia, Indiana, Maryland, Massachusetts, Nebraska, New Hampshire, New Jersey
2024-02-20
Active, closed
Pfizer
Phase 3
394
California, Florida, Indiana, Louisiana, Maryland, Michigan, New Mexico, New York
2024-01-19
Active, closed
Pfizer
Phase 3
1,571
Arizona, Arkansas, California, Florida, Georgia, Illinois, Indiana, Maryland
2023-11-08
Recruiting
Pfizer
Phase 2
340
Alabama, Arizona, California, Colorado, Florida, Indiana, Maryland, Michigan
2023-08-22
Active, closed
Pfizer
Phase 1
59
Arkansas, California, Florida, Georgia, Iowa, Maryland, Massachusetts, New Jersey
2022-12-14
Recruiting
Pfizer
Observational
12,500
California, Connecticut, District of Columbia, Georgia, Kentucky, Louisiana, Maryland, Massachusetts
2022-10-27
Recruiting
Pfizer
Phase 3
160
Arizona, California, District of Columbia, Florida, Georgia, Illinois, Louisiana, Maryland
2022-03-07
Active, closed
Pfizer
Phase 3
1,068
Arizona, Arkansas, California, Colorado, Florida, Illinois, Louisiana, Maryland
2019-12-30
Active, closed
Pfizer
Phase 3
896
Alabama, California, Colorado, Florida, Georgia, Illinois, Louisiana, Maryland
2019-09-05
Recruiting
Pfizer
Phase 1
453
Arizona, California, Connecticut, Kansas, Kentucky, Maryland, Massachusetts, Nebraska
2018-04-17