Pfizer
769 total trials 392 currently recruiting 318 completed
Trial Pipeline
RECRUITING Phase 2
A Study to Learn About mRNA Vaccines Against Influenza in Adults
NCT07431853
RECRUITING Phase 1
A Study to Learn About the Medicine Called PF-08634404 Dosed Alone and in Combination With Other Anticancer Therapies in Adults With Locally Advanced or Metastatic Renal Cell Cancer
NCT07227415
RECRUITING Phase 1
A Study to Learn How the Study Medicine Called PF-08653944 is Taken up Into the Blood in Adults With Overweight or Obesity.
NCT07400679
RECRUITING Phase 1
A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Different Anticancer Agents in Advanced Cancers
NCT07227298
RECRUITING Phase 1
A Study to Learn How the Body Processes the Study Medicine PF-07328948 in People With Reduced Kidney Function
NCT07315360
RECRUITING
Real World Efficiency of Abrocitinib Treatment at Patients With Moderate to Severe Atopic Dermatitis Who Had Inadequate Response to Previous Biologic Therapies.
NCT06899204
RECRUITING Phase 3
A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Adult Participants With Locally Advanced or Metastatic Non-Small Cell Lung Cancer
NCT07222566
RECRUITING Phase 1
A Study to Learn How the Body Processes the Study Medicine PF-07328948 in People With and Without Reduced Liver Function
NCT07269301
RECRUITING Phase 1
A Study to Learn About the Study Medicine Called PF-08032562 in People With Advanced or Metastatic Solid Tumors
NCT07318805
RECRUITING Phase 3
A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Adult Participants With Metastatic Colorectal Cancer
NCT07222800
RECRUITING Phase 3
A Study to Learn About a Clostridioides Difficile Vaccine in People 65 Years of Age and Older
NCT07282665
RECRUITING Phase 2
A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Adult Participants With Extensive-Stage Small Cell Lung Cancer
NCT07226999
RECRUITING Phase 3
A Long-term Study of the Medicine Called Abrocitinib in Children Aged 2 Years and Older With Moderate to Severe Eczema
NCT06807281
RECRUITING Phase 1
A Study to Compare Blood Levels of Different Dosage Formulations of the Study Medicine That Is a CGRP Receptor Antagonist in Healthy Adults
NCT07261371
RECRUITING Phase 3
A Study to Learn About Different Dosing Schedules of a Lyme Disease Vaccine in Healthy Adults
NCT07226882
RECRUITING Phase 2
A 16-Week Study to Learn About the Study Medicine Called Ritlecitinib in Adults With Long Lasting Painful Red Skin Lumps, Known by the Medical Term, Hidradenitis Suppurativa, or HS.
NCT07228390
RECRUITING Phase 2
A Study to Learn About the Study Medicine (Called PF-07868489) in People With Pulmonary Arterial Hypertension Who Have Previously Participated in a Clinical Study With PF-07868489
NCT07073820
RECRUITING Phase 1
A Study to Learn About the Study Medicine PF-08052667 in People With Bladder Cancer
NCT07206225
RECRUITING Phase 2
A Study to Learn About Ritlecitinib for the Potential Treatment of Chronic Spontaneous Urticaria in Adults.
NCT07219615
RECRUITING Phase 1
Study About Whether Atirmociclib/PF-07220060 Proportionally Increases Exposure as Dose Increases in Healthy Participants
NCT07215078
RECRUITING Phase 2
A Study to Learn About the Medicine Ponsegromab in Adults With Cancer of the Pancreas Which Has Spread and Caused Significant Body Weight Loss and Fatigue
NCT06989437
RECRUITING Phase 3
A Study to Learn About the Study Medicine Called PF-08046054/SGN-PDL1V Versus Docetaxel in Adult Participants With Previously-Treated Programmed Cell Death Ligand 1 (PD-L1) Positive Non-Small-Cell Lung Cancer (NSCLC)
NCT07144280
RECRUITING Phase 3
This Study Will Explore Whether a Combination of the Investigational Drug Mevrometostat (PF-06821497) and Enzalutamide Will Work Better Than Taking Enzalutamide Alone in Participants With mCSPC Who Are ARPI naïve.
NCT07028853
RECRUITING Phase 1
A Study to Learn About How the Study Medicines Called Itraconazole and Probenecid Change How the Body Processes PF-07220060
NCT07160738
RECRUITING Phase 3
A Long-Term Study to Learn About The Study Medicine Called Ritlecitinib in Children With Severe Alopecia Areata.
NCT07029828
RECRUITING Phase 3
BEATRIX: A Study to Learn About a Group B Streptococcus Vaccine in Healthy Pregnant Women and Their Babies
NCT07160244
RECRUITING Phase 1
A Study to Learn About the Study Medicine Called PF-08046876 in People With Advanced Solid Tumors
NCT07090499
RECRUITING Phase 1
A Study to Learn About a Vaccine Against E Coli in Healthy Adults
NCT07122986
RECRUITING Phase 3
A Study to Learn About the Study Medicine Called PF-07248144 in Combination With Fulvestrant in People With HR-positive, HER2-negative Advanced or Metastatic Breast Cancer Who Progressed After a Prior Line of Treatment.
NCT07062965
RECRUITING Phase 3
A Study to Learn About Medicine Called Ritlecitinib in Children Aged Between 6 to 12 Years With Severe Alopecia Areata
NCT07029711
RECRUITING Phase 3
A Study of the Medicine Called Abrocitinib in Children 6 to Less Than 12 Years of Age With Moderate-to-Severe Eczema
NCT06807268
RECRUITING Phase 3
This is a Study to Learn About How the Combination of the Study Medicines Sigvotatug Vedotin Plus Pembrolizumab Works in People With Non-small Cell Lung Cancer With High Levels of PD-L1.
NCT06758401
RECRUITING Phase 1
A Study to Learn About How a New Pneumococcal Vaccine Works in Adults
NCT07086677
RECRUITING Phase 3
A Study to Learn About the Study Medicine Ibuzatrelvir in Adults With COVID-19 Who Are Severely Immunocompromised
NCT07013474
RECRUITING Phase 1
A Study of Disitamab Vedotin in Adults With HER2 Expressing Advanced Breast Cancer
NCT06966453
RECRUITING Phase 2
A Study to Learn About the Study Medicine Called PF-07328948 in Adults With Heart Failure (BRANCH-HF)
NCT06991257
RECRUITING Phase 2
A Study to Learn About the Study Medicine Called PF-07275315 in People With Moderate-To-Severe Asthma
NCT06977581
RECRUITING Phase 1
A Study to Learn About the Study Medicine Called Zavegepant (PF-07930207) in Children With a History of Migraine
NCT06995729
RECRUITING Phase 1
A Study to Learn About How Changing Therapy From Emicizumab to Marstacimab Affects People With the Severe Hemophilia A.
NCT06703606
RECRUITING Phase 4
Ocular Assessments in Patients Treated With Tivdak® in Recurrent or Metastatic Cervical Cancer
NCT06952660
RECRUITING Phase 3
A Phase 3 Study of Revaccination in Subsequent Pregnancies With Bivalent RSV Vaccine and Duration of Protection of a Single Dose
NCT06866405
RECRUITING Phase 3
A Study of 2 Doses of Ritlecitinib in People 12 Years of Age and Older With Alopecia Areata
NCT06873945
RECRUITING Phase 3
A Study to Learn About the Study Medicine Called Rimegepant in Women When Used for Intermittent Prevention of Menstrual Migraine
NCT06641466
RECRUITING Phase 3
A Study to Understand How the Study Medicine Dazukibart Works in People With Idiopathic Inflammatory Myopathies
NCT06698796
RECRUITING Phase 3
Study of PF-07220060 With Letrozole in Adults With HR-positive HER2-negative Breast Cancer Who Have Not Received Anticancer Treatment for Advanced/Metastatic Disease
NCT06760637
RECRUITING Phase 3
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
NCT06679140
RECRUITING Phase 3
A Study to Learn About the Study Medicine Called Rimegepant in Adolescents With Frequent Migraine
NCT06616194
RECRUITING Phase 1
FIH Study to Evaluate the Tolerability of PF-07832837 in Healthy Adults and Patients
NCT06564389
RECRUITING Phase 3
A Study to Learn How PF-06821497 (Mevrometostat) Works in Men With Metastatic Castration-resistant Prostate Cancer.
NCT06629779
RECRUITING Phase 3
A Study to Learn About the Investigational Medicine Called PF-06821497 (Mevrometostat) in Men With mCRPC Who Were Previously Treated With Abiraterone Acetate for Prostate Cancer (MEVPRO-1).
NCT06551324
RECRUITING Phase 2
A Study to Learn About the Study Medicine Aztreonam-Avibactam (ATM-AVI) in Infants and Newborns Admitted in Hospitals With Bacterial Infection (CHERISH)
NCT06462235
RECRUITING
An Observational Study of Etrasimod in Adult Patients With Moderate to Severe Ulcerative Colitis
NCT06398626
RECRUITING
Characterization And Clinical Outcomes of AA Patients Treated With Ritlecitinib
NCT06531109
RECRUITING Phase 1
A Study to Learn About the Study Medicine PF-07934040 When Given Alone or With Other Anti-cancer Therapies in People With Advanced Solid Tumors That Have a Genetic Mutation.
NCT06447662
RECRUITING Phase 1
A Study to Learn About the Effects of the Combination of Elranatamab (PF-06863135) and Iberdomide in Patients With Relapsed or Refractory Multiple Myeloma (MagnetisMM-30)
NCT06215118
RECRUITING Phase 3
MagnetisMM-32: A Study to Learn About the Study Medicine Called Elranatamab in People With Multiple Myeloma (MM) That Has Come Back After Taking Other Treatments (Including Prior Treatment With an Anti-CD38 Antibody and Lenalidomide)
NCT06152575
RECRUITING Phase 3
A 52-Week Study to Learn About the Safety and Effects of Ritlecitinib in Participants With Nonsegmental Vitiligo
NCT06163326
RECRUITING Phase 4
Elranatamab Post Trial Access Study for Participants With Multiple Myeloma (MM)
NCT06057402
RECRUITING Phase 2
A Study To Learn About Two Study Medicines (PF-07275315 And PF-07264660) In People Who Have Moderate To Severe Atopic Dermatitis
NCT05995964
RECRUITING
A Study of How Safe Abrocitinib (CIBINQO) is in Pregnant Women and Their Offspring
NCT05721937
RECRUITING Phase 3
A Study to Understand How the Study Medicine (PF-06823859) Works in People With Active Idiopathic Inflammatory Myopathies [Dermatomyositis (DM) and Polymyositis (PM)]
NCT05895786
RECRUITING Phase 2
Study of 2 Medicines (Aztreonam and Avibactam) Compared to Best Available Therapy for Serious Gram-negative Infections
NCT05639647
RECRUITING Phase 3
Safety and Effectiveness of Giroctocogene Fitelparvovec or Fidanacogene Elaparvovec in Patients With Hemophilia A or B Respectively
NCT05568719
RECRUITING Phase 2
A Study to Evaluate Etrasimod Treatment in Adolescents With Ulcerative Colitis
NCT05287126
RECRUITING Phase 1
A Clinical Trial of Four Medicines (Elranatamab Plus Carfilzomib and Dexamethasone or Maplirpacept) in People With Relapsed Refractory Multiple Myeloma
NCT05675449
RECRUITING Phase 3
A Clinical Trial of Study Medicine (Marstacimab) in Pediatric Patients With Hemophilia A or Hemophilia B
NCT05611801
RECRUITING Phase 1
A Study to Learn About the Study Medicine Called PF-07799544 as Monotherapy or in Combination in People With Advanced Solid Tumors
NCT05538130
RECRUITING Phase 4
A Study to Learn About The COVID-19 (Study) Vaccine (Called COMIRNATY) in People That Are Less Than 21 Years Old.
NCT05295290
RECRUITING
A Study to Learn About How 20-Valent Pneumococcal Conjugate Vaccine Works in a Real-world Setting
NCT05452941
RECRUITING Phase 2
A Phase 2/3 Study in Adult and Adolescent Participants With SCD
NCT05431088
RECRUITING Phase 4
The FLOTILLA Study: Providing Continued Access to The Study Medicines Encorafenib and Binimetinib for Participants in Prior Clinical Trials
NCT05203172
RECRUITING Phase 1
A Study to Learn About the Study Medicine Called PF-07799933 in People With Advanced Solid Tumors With BRAF Alterations.
NCT05355701
RECRUITING Phase 3
EPIC-Peds: A Study to Learn About the Study Medicine Called PF-07321332 (Nirmatrelvir)/Ritonavir in Patients Under 18 Years of Age With COVID-19 That Are Not Hospitalized But Are at Risk for Severe Disease
NCT05261139
RECRUITING Phase 3
Efficacy and Safety Study of Rimegepant for the Preventative Treatment of Migraine in Pediatric Subjects
NCT05156398
RECRUITING Phase 2
Safety and Efficacy Study of PF-06835375 in Primary Immune Thrombocytopenia
NCT05070845
RECRUITING Phase 3
Open-Label Extension Study of Marstacimab in Hemophilia Participants With or Without Inhibitors
NCT05145127
RECRUITING Phase 3
A Study to Learn About the Study Medicine Elranatamab Alone and With Daratumumab in People With Multiple Myeloma Who Have Received Other Treatments
NCT05020236
RECRUITING
Observational Study to Assess Maternal, Fetal and Infant Outcomes Following Exposure to Rimegepant
NCT05046613
RECRUITING Phase 3
Long-term Safety Study of Rimegepant in Pediatric Subjects for the Acute Treatment of Migraine
NCT04743141
RECRUITING Phase 3
Randomized Study in Children and Adolescents With Migraine: Acute Treatment
NCT04649242
RECRUITING Phase 1
Study of PF-07248144 in Advanced or Metastatic Solid Tumors
NCT04606446
RECRUITING Phase 1
A Study of Mevrometostat for Treatment of Relapsed/Refractory SCLC, Castration Resistant Prostate Cancer, and Follicular Lymphoma
NCT03460977
ACTIVE NOT RECRUITING Phase 1
A Study to Learn if Itraconazole Changes How the Body Processes PF-07248144 (Study Medicine)
NCT07335419
ACTIVE NOT RECRUITING
Evaluating ABRYSVO Maternal Vaccine Effectiveness Among Infants
NCT07249320
ACTIVE NOT RECRUITING Phase 2
A Study to Learn About Study Medicine Called PF-08049820 in People With Eczema
NCT07216027
ACTIVE NOT RECRUITING
A Study to Learn How Paxlovid [Nirmatrelvir-ritonavir/PF-07321332] Works in COVID-19 Patients Who Are Elderly or Have Medical Conditions.
NCT07261085
ACTIVE NOT RECRUITING Phase 1
A Study to Learn If the Study Medicine Called PF-08049820 Changes How the Body Processes the Other Study Medicines Called Oral Contraceptives, Midazolam, and Dabigatran in Healthy Adult Female Participants
NCT07190430
ACTIVE NOT RECRUITING Phase 1
A Study to Learn About the Study Medicine Called PF-08046032 in People With Advanced Cancers
NCT06870487
ACTIVE NOT RECRUITING Phase 1
A Clinical Trial of PF-08046037 Alone or With Sasanlimab in Patients With Advanced or Metastatic Malignancies
NCT06974734
ACTIVE NOT RECRUITING
A Study to Learn About How Well Yearly Updates to the COVID-19 Vaccine Work to Protect People From COVID-19 and How Much Money People Spend on Healthcare for COVID-19
NCT06923137
ACTIVE NOT RECRUITING
Effectiveness of ABRYSVO® Maternal Respiratory Syncytial Virus (RSV) Vaccine Against RSV in Infants in Western Pennsylvania
NCT06813872
ACTIVE NOT RECRUITING
A Study to Learn About the Study Medicine Bosulif in Adult Patients With Chronic Myeloid Leukemia(CML).
NCT06297161
ACTIVE NOT RECRUITING
A Study to Learn About How Well the Prevnar 20 Vaccine Works for Pneumonia in People Who Are 65 Years and Older
NCT06782282
ACTIVE NOT RECRUITING Phase 1
A Study to Learn About the Study Medicine PF-07985045 When Given Alone or With Other Anti-cancer Therapies in People With Advanced Solid Tumors That Have a Change in a Gene.
NCT06704724
ACTIVE NOT RECRUITING Phase 1
A Study to Learn How Different Amounts of the Study Medicine Called PF-08049820 Are Tolerated and Act in the Body in Healthy Adults
NCT06686797
ACTIVE NOT RECRUITING Phase 2
A Study to Learn About How a New Pneumococcal Vaccine Works in Infants
NCT06524414
ACTIVE NOT RECRUITING
A Real-life Study to Understand the Use and Effects of Palbociclib in US Patients With Breast Cancer
NCT06495164
ACTIVE NOT RECRUITING
Real-World Effectiveness of High-Dose Tafamidis on Neurologic Disease Progression in Mixed-Phenotype Transthyretin Amyloid Cardiomyopathy
NCT06393465
ACTIVE NOT RECRUITING Phase 1
A Study to Learn About Vepdegestrant When Given With PF-07220060 to People With Advanced or Metastatic Breast Cancer.
NCT06206837
ACTIVE NOT RECRUITING Phase 1
TACTIVE-U: A Study to Learn About the Study Medicine (Vepdegestrant) When Given With Other Medicines in People With Advanced or Metastatic Breast Cancer. (Sub-Study C)
NCT06125522
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 258 |
| Phase 2 | 161 |
| Phase 3 | 167 |
| Phase 4 | 105 |
Therapeutic Areas
What the Pipeline for Pfizer Shows
According to the ClinicalTrials.gov registry, Pfizer is linked to 769 US clinical trials across every stage of research activity. Of those, 392 studies are currently recruiting — about 51% of the sponsor's indexed portfolio — and 318 are already marked complete, representing roughly 41% of the total. Recruiting share is one of the more practical signals here: it reflects how much of a sponsor's research is presently open to new participants, while the completed share indicates the depth of finished work that has already contributed registry results. Both counts come directly from the public ClinicalTrials.gov dataset and are refreshed on the registry side; this page mirrors the latest data pull without altering it.
The phase mix for Pfizer reports 272 late-stage studies (Phase 3 and Phase 4 combined) and 419 earlier-phase studies (Phase 1 and Phase 2). A portfolio weighted toward Phase 3 usually reflects an organization advancing candidates toward regulatory review, where the research centers on comparative efficacy and broader safety across larger populations. A heavier Phase 1 and Phase 2 tilt generally indicates exploratory work — safety, dosing, and early signal detection — and is common among research-forward sponsors that seed many early programs. Phase 4 entries, when present, track interventions already in real-world use and typically focus on long-term safety, effectiveness across subgroups, or formulation comparisons.
The top therapeutic focus area indexed for Pfizer is Healthy with 44 linked trials, and 9 other condition areas appear in the top list above. That distribution is a quick read of where the organization concentrates its research attention; it does not imply product availability, market share, or any clinical endorsement. All numbers on this page come from ClinicalTrials.gov maintained by the National Library of Medicine, and counts can shift as new studies are registered or existing ones update their status. This information is provided for reference and educational purposes only, not as medical, investment, or regulatory advice — verify current details directly with ClinicalTrials.gov before relying on any figure here.
Read our methodology — how this data is sourced, computed, and verified.
Related
Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainTrial Editorial