Pfizer

1,845 total trials 106 currently recruiting 1335 completed

Pfizer sponsors 1,845 registered US clinical trials on ClinicalTrials.gov, 106 of them currently recruiting, and 1,335 completed. 504 of these trials are in Phase 3-4 (later-stage) and 1,173 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Healthy, with 44 trials.

Trial Pipeline

1,845 total, page 4 of 37

ACTIVE NOT RECRUITING Phase 3

Continued Access Study for Participants Deriving Benefit in Pfizer-Sponsored Avelumab Parent Studies That Are Closing

NCT05059522

ACTIVE NOT RECRUITING Phase 3

Study to Evaluate the Efficacy, Immunogenicity, and Safety of RSVpreF in Adults.

NCT05035212

ACTIVE NOT RECRUITING Phase 3

Evaluation of Oral Tofacitinib in Children Aged 2 to 17 Years Old Suffering From Moderate to Severe Ulcerative Colitis

NCT04624230

ACTIVE NOT RECRUITING Phase 3

Study of Talazoparib With Enzalutamide in Men With DDR Gene Mutated mCSPC

NCT04821622

ACTIVE NOT RECRUITING Phase 2

MagnetisMM-3: Study Of Elranatamab (PF-06863135) Monotherapy in Participants With Multiple Myeloma Who Are Refractory to at Least One PI, One IMiD and One Anti-CD38 mAb

NCT04649359

ACTIVE NOT RECRUITING Phase 3

A Clinical Trial of Three Study Medicines (Encorafenib, Binimetinib, and Pembrolizumab) in Patients With Advanced or Metastatic Melanoma

NCT04657991

ACTIVE NOT RECRUITING Phase 3

A Study of Encorafenib Plus Cetuximab With or Without Chemotherapy in People With Previously Untreated Metastatic Colorectal Cancer

NCT04607421

ACTIVE NOT RECRUITING Phase 3

Study to Evaluate the Safety and Efficacy of PF-06939926 for the Treatment of Duchenne Muscular Dystrophy

NCT04281485

ACTIVE NOT RECRUITING Phase 2

Study to Test the Safety and Tolerability of PF-07220060 in Participants With Advance Solid Tumors

NCT04557449

ACTIVE NOT RECRUITING Phase 2

PF-07104091 as a Single Agent and in Combination Therapy

NCT04553133

ACTIVE NOT RECRUITING Phase 3

Study to Evaluate the Efficacy and Safety of PF-07055480 / Giroctocogene Fitelparvovec Gene Therapy in Moderately Severe to Severe Hemophilia A Adults

NCT04370054

ACTIVE NOT RECRUITING Phase 3

A Study of Sasanlimab in People With Non-muscle Invasive Bladder Cancer

NCT04165317

ACTIVE NOT RECRUITING Phase 3

An Extension Study for Treatment of Moderately to Severely Active Ulcerative Colitis

NCT03950232

ACTIVE NOT RECRUITING Phase 3

A Study to Evaluate the Efficacy and Safety of Factor IX Gene Therapy With PF-06838435 in Adult Males With Moderately Severe to Severe Hemophilia B

NCT03861273

ACTIVE NOT RECRUITING Phase 3

Long-Term PF-06651600 for the Treatment of Alopecia Areata

NCT04006457

ACTIVE NOT RECRUITING Phase 2

Study Of Palbociclib Combined With Chemotherapy In Pediatric Patients With Recurrent/Refractory Solid Tumors

NCT03709680

ACTIVE NOT RECRUITING Phase 3

Talazoparib + Enzalutamide vs. Enzalutamide Monotherapy in mCRPC

NCT03395197

ACTIVE NOT RECRUITING Phase 2

Long-term Safety and Efficacy Study and Dose-Escalation Substudy of PF 06838435 in Individuals With Hemophilia B

NCT03307980

ACTIVE NOT RECRUITING Phase 3

A Study Of Lorlatinib Versus Crizotinib In First Line Treatment Of Patients With ALK-Positive NSCLC

NCT03052608

ACTIVE NOT RECRUITING Phase 3

Safety and Efficacy Study of Enzalutamide Plus Leuprolide in Patients With Nonmetastatic Prostate Cancer (EMBARK)

NCT02319837

NOT YET RECRUITING Phase 3

Symbiotic-GYN-18: A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Adult Participants With Advanced or Recurrent MMR-proficient Endometrial Cancer

NCT07578649

NOT YET RECRUITING Phase 1

A Study to Learn How the Study Medicine Called Atirmociclib is Handled by the Body in People With Normal Liver Function and Different Levels of Liver Disease

NCT07677358

COMPLETED Phase 1

Relative Bioavailability and Impact of Rabeprazole for PF-07799933, Food-Effect for PF-07799933 and PF-07799544

NCT07563894

COMPLETED

A Real-world Study of the First Treatment and Outcomes of Patients With Advanced or Metastatic Bladder Cancer

NCT07386847

COMPLETED Phase 1

A Study to Understand What the Body Does to the Study Medicine Called PF-07248144 When Taken by Healthy Adults

NCT07423286

COMPLETED Phase 1

A Study to Learn How Different Forms of the Study Medicine Called PF 08049820 Are Taken up Into the Bloodstream in Healthy Adults

NCT07172321

COMPLETED Phase 1

A Study to Compare Two Tablet Formulations of Study Medicine Atirmociclib in Healthy Participants

NCT07130097

TERMINATED Phase 1

A Study to Learn About the Study Medicine Called PF-07258669 in Older Adults Including Those at Risk of Malnutrition

NCT07086664

COMPLETED

A Study to Learn About Two Medicines (Apalutamide and Enzalutamide) in People With Metastatic Castration-sensitive Prostate Cancer (mCSPC)

NCT07086651

COMPLETED

A Study to Understand the Patients Confirmed to Have Advanced or Metastatic Breast Cancer and Receiving Palbociclib Treatment Using a Real-world Database

NCT06962969

COMPLETED

Real World-clinical Outcomes of Tucatinib, Trastuzumab, and Capecitabine Following Trastuzumab Deruxtecan (T-DXd) for the Treatment of HER2-positive Metastatic Breast Cancer.

NCT06961331

TERMINATED Phase 1

A Study to Learn About the Study Medicine Called PF-08046031 in Advanced Melanoma and Other Solid Tumors

NCT06799533

COMPLETED

A Study to Understand How the Use of Paxlovid Affected Healthcare Use in People With Pre-existing Conditions.

NCT07090486

COMPLETED Phase 3

A Study to Evaluate the Safety and Immunogenicity of RSVpreF Coadministered With Herpes Zoster Vaccine in Adults

NCT06890416

COMPLETED Phase 1

A Study to Learn if the Study Medicine Called Carbamazepine Changes How the Body Processes PF-07220060

NCT06897683

TERMINATED Phase 1

Study to Learn About How the Study Medicines Called PF-07976016 and PF-06882961 Are Taken Up by the Body, and if Either of Them Change How the Body Processes the Other Medicine in Otherwise Healthy Adults With Overweight or Obesity

NCT06910839

TERMINATED Phase 1

A Study to Learn How Different Amounts of the Study Medicine Called PF-07314470 Are Tolerated and Act in the Body in Healthy Adults

NCT06821750

COMPLETED Phase 1

A Study to Learn About How Different Forms of Study Medicine PF-07248144 Are Taken Up Into the Blood in Healthy Adults

NCT07117799

COMPLETED

A Study to Learn About the Medicine Called Ritlecitinib in Adults With Severe Alopecia Areata in Real-world Settings

NCT07200128

COMPLETED

A Study to Understand About the Study Medicine Palbociclib in Breast Cancer Patients After it is Out in the Japanese Market

NCT07096024

COMPLETED Phase 1

A Study to Learn if the Study Medicines Called Itraconazole and Cyclosporine Change How the Body Processes the Other Study Medicine Called Danuglipron in Healthy Adults.

NCT06541678

COMPLETED Phase 1

A Study to Learn if the Study Medicine Called Itraconazole and if Food Changes How the Body Processes the Other Study Medicine Called PF 07258669 in Older Adults or Healthy Adults

NCT06706869

COMPLETED Phase 2

A Study to Learn About the Study Medicine Called PF-07976016 in Adults With Obesity

NCT06717425

TERMINATED

Estimated Vaccine Effectiveness and Durability of Pfizer/BioNTech 2024-2025 COVID-19 Vaccine

NCT06703190

TERMINATED Phase 1

A Study to Learn About PF-07921585 Alone or With Other Anti-cancer Medicines in People With Cancer

NCT06580938

COMPLETED Phase 1

A Study to Learn How Different Forms of the Study Medicine Called PF-07976016 Are Taken Up Into the Blood in Healthy Adults

NCT06670170

COMPLETED

A US Study to Look at Loss of Work and Healthcare Costs for People Affected With Mild-to-moderate COVID 19 Who Have High Chances of the Disease Becoming Severe

NCT07072793

COMPLETED Phase 1

A Study to Learn If the Study Medicine Called Carbamazepine Changes How the Body Processes the Other Study Medicine Ibuzatrelvir in Healthy Adults

NCT06646042

COMPLETED

Comparison of Patient-reported Outcomes for Rimegepant and Triptans in the 2023 US National Health and Wellness Survey

NCT06680206

COMPLETED Phase 1

A Study to Learn How Different Amounts and Forms of the Study Medicine Called PF-06414300 Act in Healthy Adults

NCT06659250

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Phase Distribution

PhaseTrial count
Phase 1 703
Phase 2 470
Phase 3 411
Phase 4 93

What the Pipeline for Pfizer Shows

According to the ClinicalTrials.gov registry, Pfizer is linked to 1,845 US clinical trials across every stage of research activity. Of those, 106 studies are currently recruiting, about 6% of the sponsor's indexed portfolio, and 1,335 are already marked complete, representing roughly 72% of the total.

The phase mix for Pfizer reports 504 late-stage studies (Phase 3 and Phase 4 combined) and 1,173 earlier-phase studies (Phase 1 and Phase 2).

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.

How to read these pipeline numbers

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.

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.

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.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainTrial

Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial from this sponsor, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.