Clinical trials: sponsored by Pfizer
Pneumococcal Disease
A Study to Learn About the Safety of an Expanded Pneumococcal Vaccine in Healthy Infants
The purpose of this study is to learn about the safety of a new pneumococcal vaccine and how the new pneumococcal vaccine helps to fight against germs that can cause pneumonia (lung infections), meningitis (brain infections), and…
- Trial name
- NCT07573462
- Testing
- PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
- Where
- 78 sites in United States, Argentina and 8 more
- Volunteers
- 2,400 people, healthy volunteers welcome
- Sponsor
- Pfizer
Hemophilia A, Hemophilia B
Open-Label Extension Study of Marstacimab in Hemophilia Participants With or Without Inhibitors
Study B7841007 is an open-label extension study to assess the long-term safety, tolerability, and efficacy of prophylaxis treatment with marstacimab in participants who did not require "Early Termination" from the Phase 3 Study…
- Trial name
- NCT05145127
- Testing
- PF-06741086
- Where
- 78 sites in United States, Argentina and 22 more
- Volunteers
- 245 people
- Sponsor
- Pfizer
Colitis, Ulcerative
A Study of How the Medicine Called "Etrasimod" Works in Children With the Gut Disease Called Ulcerative Colitis
The purpose of this study is to determine the safety, efficacy, and pharmacokinetics (PK) of etrasimod for the treatment of moderately to severely active ulcerative colitis in pediatrics participants (≥ 2 years up to < 12 years…
- Trial name
- ELEVATE-UCkids (NCT07470879)
- Testing
- Etrasimod
- Where
- 46 sites in United States, Australia and 8 more
- Volunteers
- 24 people
- Sponsor
- Pfizer
Alopecia Areata
A Study in Young People and Adults to Learn About the Medicine Ritlecitinib for Treatment of Patchy Hair Loss, Known by the Medical Term as Moderate Alopecia Areata
The purpose of this clinical study is to learn about the safety and effects of the study medicine (called ritlecitinib) for the potential treatment of moderate alopecia areata (AA).
- Trial name
- NCT07733765
- Testing
- Ritlecitinib 100 mg, Ritlecitinib 50 mg
- Where
- 38 sites in United States, Canada and 3 more
- Volunteers
- 336 people
- Sponsor
- Pfizer
Pneumococcal Disease
Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents
The purpose of this study is to learn about the safety of a new pneumococcal vaccine and how the new pneumococcal vaccine helps to fight against germs that can cause pneumonia (lung infections), meningitis (brain infections), and…
- Trial name
- NCT07660198
- Testing
- PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
- Where
- 77 sites in United States, Finland and 2 more
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Pfizer
Pneumococcal Disease
A Study to Understand the Safety of the 20vPnC Vaccine in Healthy Chinese Adults, Children, and Infant
The purpose of this study is to learn about the safety of the 20-valent pneumococcal conjugate vaccine (20vPnC) among adults, children, and infants, as well as the immunogenicity of 20vPnC among infants and children under 2 years…
- Trial name
- NCT07023081
- Testing
- 20vPnC, 13vPnC
- Where
- 2 sites in China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Pfizer
Migraine
A Study to Learn About the Study Medicine Called Rimegepant in Adolescents With Frequent Migraine
The purpose of this study is to learn about the effect of a study medicine called rimegepant in adolescents who have frequent migraine attacks. Rimegepant is a tablet that disintegrates when you put it on or under your tongue.
- Trial name
- NCT06616194
- Testing
- Rimegepant
- Where
- 102 sites in United States, Canada and 10 more
- Volunteers
- 636 people
- Sponsor
- Pfizer
Ulcerative Colitis
An Extension Study for Treatment of Moderately to Severely Active Ulcerative Colitis
The purpose of this open-label extension (OLE) study is to evaluate the safety and efficacy of etrasimod in participants with moderately to severely active ulcerative colitis (UC) who previously received double-blind treatment…
- Trial name
- ELEVATE UC OLE (NCT03950232)
- Testing
- Etrasimod
- Where
- 472 sites in United States, Argentina and 37 more
- Volunteers
- 896 people
- Sponsor
- Pfizer
Atopic Dermatitis
A Study to Learn About the Study Medicine Called Tilrekimig in People With Moderate-to Severe Eczema
The purpose of this study is to find out how well tilrekimig works, how safe it is, and how it affects the body in adults and adolescents with moderate to severe atopic dermatitis (eczema).
- Trial name
- Tilrek (NCT07783425)
- Testing
- Tilrekimig, Dupilumab
- Where
- 32 sites in United States, Japan
- Volunteers
- 1,375 people
- Sponsor
- Pfizer
Alopecia Areata
A Study of 2 Doses of Ritlecitinib in People 12 Years of Age and Older With Alopecia Areata
The purpose of the study is to learn about the safety and effects of the study medicine (called ritlecitinib) for the treatment of alopecia areata.
- Trial name
- ALLEGRO-100 (NCT06873945)
- Testing
- Ritlecitinib 100 mg, Ritlecitinib 50 mg
- Where
- 148 sites in United States, Canada and 9 more
- Volunteers
- 674 people
- Sponsor
- Pfizer
Pneumococcal Disease
A Study to Learn About How a New Pneumococcal Vaccine Works in Infants.
The purpose of this study is to learn about the safety of a new pneumococcal vaccine and how the new pneumococcal vaccine helps to fight against germs that can cause pneumonia (lung infections), meningitis (brain infections), and…
- Trial name
- NCT07629440
- Testing
- PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
- Where
- 130 sites in United States, Japan and 1 more
- Volunteers
- 3,230 people, healthy volunteers welcome
- Sponsor
- Pfizer
Pneumococcal Disease
A Study to Learn About How a New Pneumococcal Vaccine Works in Infants
The purpose of this study is to learn about the safety of a new pneumococcal vaccine and how the new pneumococcal vaccine helps to fight against germs in infants when compared to the pneumococcal vaccines that are currently in…
- Trial name
- NCT06524414
- Testing
- PG4, 20-valent pneumococcal conjugate vaccine (20vPnC), 15-valent pneumococcal conjugate vaccine (PCV15)
- Where
- 67 sites in United States, Puerto Rico
- Volunteers
- 605 people, healthy volunteers welcome
- Sponsor
- Pfizer
Alopecia Areata
Real-World Effectiveness of Ritlecitinib in Alopecia Areata Patients in the US: A Retrospective Analysis Using EHR and Claims Data
This study will use US electronic health records (EHR) linked to US healthcare claims data to describe the baseline demographic and clinical characteristics of AA patients prescribed ritlecitinib; assess its real-world…
- Trial name
- NCT07821216
- Testing
- ritlecitinib
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Pfizer
COVID-19 SARS-CoV-2 Infection
A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe Disease
The purpose of the study is to evaluate whether ibuzatrelvir is effective and safe in adults and adolescents with COVID-19 who do not need to be in the hospital but who are at high risk for progression to severe disease.
- Trial name
- NCT06679140
- Testing
- ibuzatrelvir
- Where
- 256 sites in United States, Argentina and 17 more
- Volunteers
- 2,330 people
- Sponsor
- Pfizer
Gram-negative Bacterial Infection
A Study to Learn About the Study Medicine Aztreonam-Avibactam (ATM-AVI) in Infants and Newborns Admitted in Hospitals With Bacterial Infection (CHERISH)
The purpose of this study is to learn about the safety and effects of ATM-AVI for the possible treatment of infections caused by a type of bacteria called gram-negative bacteria.
- Trial name
- CHERISH (NCT06462235)
- Testing
- Part A: ATM-AVI Single Dose, Cohorts 1-4, Part B: Multiple-dose ATM-AVI, Cohorts 1-4
- Where
- 32 sites in United States, Argentina and 7 more
- Volunteers
- 48 people
- Sponsor
- Pfizer
Severe Hemophilia A
A Study to Learn About How Changing Therapy From Emicizumab to Marstacimab Affects People With the Severe Hemophilia A.
The purpose of the study is to learn about safety, how the body processes marstacimab and how it works in patients with severe hemophilia A without inhibitors.
- Trial name
- NCT06703606
- Testing
- MARSTACIMAB
- Where
- 10 sites in United States, India and 1 more
- Volunteers
- 15 people
- Sponsor
- Pfizer
Atopic Dermatitis
A Study to Learn About the Study Medicine Called Tilrekimig in People With Moderate-to-Severe Eczema
The purpose of this study is to find out how well tilrekimig works, how safe it is, and how it affects the body when used together with medicated creams or ointments in adults and adolescents with moderate to severe atopic…
- Trial name
- NCT07765888
- Testing
- Tilrekimig
- Where
- 21 sites in United States, Japan
- Volunteers
- 375 people
- Sponsor
- Pfizer
Severe Alopecia Areata
A Long-Term Study to Learn About The Study Medicine Called Ritlecitinib in Children With Severe Alopecia Areata.
The purpose of this clinical trial is to learn about long-term safety and long-term effects of the study medicine (called ritlecitinib) for the potential treatment of severe alopecia areata, a condition that causes hair loss.
- Trial name
- B7981028 (NCT07029828)
- Testing
- Ritlecitinib higher dose, Ritlecitinib lower dose
- Where
- 67 sites in United States, China and 7 more
- Volunteers
- 140 people
- Sponsor
- Pfizer
Hemophilia A, Hemophilia B
A Clinical Trial of Study Medicine (Marstacimab) in Pediatric Patients With Hemophilia A or Hemophilia B
The purpose of this clinical trial is to learn about the safety and effects of the study medicine (called marstacimab) for the potential treatment of hemophilia in pediatric patients.
- Trial name
- BASIS KIDS (NCT05611801)
- Testing
- marstacimab
- Where
- 63 sites in United States, Argentina and 21 more
- Volunteers
- 100 people
- Sponsor
- Pfizer
RSV Infection
A Phase 3 Study of Revaccination in Subsequent Pregnancies With Bivalent RSV Vaccine and Duration of Protection of a Single Dose
This study aims to check how safe and well-tolerated a second dose of RSVpreF is when given during later pregnancies, and to see how long the immunity lasts from a single dose given during a previous pregnancy by examining the…
- Trial name
- NCT06866405
- Testing
- RSVpreF
- Where
- 97 sites in United States, Argentina and 2 more
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Pfizer