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 5 of 37

COMPLETED Phase 1

A Study to Learn How Renal Impairment Affects the Pharmacokinetics of PF-07817883.

NCT06586216

TERMINATED Phase 1

A Study to Learn About How Different Amounts of the Study Medicine PF-07826390 Act in the Body of People With Cancer When Taken Alone or With Other Anti-cancer Medicines.

NCT06546553

COMPLETED Phase 1

A Study to Learn How the Study Medicine Danuglipron is Taken Up Into the Blood and If Danuglipron Changes How the Body Processes Other Study Medicines (Atorvastatin and Rosuvastatin) in Healthy Adults Who Are Overweight or Obese

NCT06567327

COMPLETED

A Study to Learn About the Effectiveness of the Medicine Called Elranatamab in People With Relapsed Refractory Multiple Myeloma as Compared With Standard of Care Therapies

NCT06592222

COMPLETED Phase 1

A Study to Learn How Different Amounts of the Study Medicine Danuglipron Are Taken up Into the Blood in Otherwise Healthy Adults With Overweight or Obesity

NCT06568731

COMPLETED

A Study to Learn About the Relationship Between Hepatic Impairment and Myelosuppression (Decreased Bone Marrow Function) in Breast Cancer Patients Treated With the Study Medicine Palbociclib (Pal-bow-sai-klib)

NCT05912933

COMPLETED

A Study to Learn About the Dangers Linked to Myelosuppression (Decreased Bone Marrow Function) in Breast Cancer Patients Treated With the Study Medicine Palbociclib (Pal Bow Sai Klib)

NCT05709158

COMPLETED Phase 2

A Study to Learn About How a New Pneumococcal Vaccine Works in Children

NCT06531538

COMPLETED Phase 2

A Study to Learn About the Study Medicine PF-07220060 Together With Letrozole Compared to Letrozole Alone in Women Post Menopause

NCT06465368

COMPLETED Phase 1

A Study to Learn How Different Forms of The Study Medicine Called Phenytoin Are Taken up Into the Blood in Healthy Adults

NCT06466473

COMPLETED

A Real-world, Prospective Observational Study of Rimegepant ODT for the Acute Treatment of Migraine Attacks in Adults.

NCT06467370

COMPLETED Phase 3

A Study to Assess Safety, Tolerability and Immunogenicity of RSVpreF From Multidose Vials in Healthy Female Adults.

NCT06473519

COMPLETED

Description of Relugolix Use in Patients With Prostate Cancer Within the VHA

NCT06462014

COMPLETED Phase 1

A Study to Learn How the Study Medicine Called Zavegepant is Taken Up Into Blood and Breast Milk of Healthy Breast-Feeding Women

NCT06453356

COMPLETED

A Study to Learn About the Benefit of Rimegepant Versus Triptans in Migraine Buddy App Users.

NCT06532357

COMPLETED Phase 1

A Study TO Learn HOW THE Study Medicine Called PF-07293893 Affects Muscle Biomarkers OF Healthy Adults

NCT06413693

COMPLETED Phase 1

A Study About Modified RNA Vaccines Against Influenza in Healthy Adults

NCT06436703

COMPLETED

A Study to Understand How Effective is Tofacitinib When Compared to Other Advanced Treatments in Patients With Rheumatoid Arthritis

NCT06418529

TERMINATED Phase 1

A Study in Advanced/Metastatic Solid Tumors With the Study Medicine (PF-07329640) When Given Alone or In Combination

NCT06448364

COMPLETED Phase 1

A Study to Learn About How Different Forms of the Study Medicine Called Ritlecitinib Pass the Intestines of Healthy Male Adults When Taken With or Without Food

NCT06369454

COMPLETED Phase 1

A Study to Learn How the Body Processes the Study Medicine Called Osivelotor (PF-07940367) in People With Loss of Liver Function

NCT06340347

COMPLETED Phase 1

A Study to Learn How Different Forms of the Study Medicine Called PF-06954522 Are Taken up Into the Blood in Healthy Adults

NCT06393517

COMPLETED Phase 1

A Study to Learn How Various Tablets of the Study Medicine Vepdegestrant Are Taken up Into the Blood of Healthy Adults

NCT06347861

COMPLETED Phase 1

A Study to Learn If the Study Medicine Esomeprazole Changes How the Body Processes the Other Study Medicine Vepdegestrant

NCT06275841

COMPLETED Phase 1

A Study to Learn How Different Amounts of PF-06954522 Are Tolerated and Act in Adults With Type 2 Diabetes Mellitus

NCT06279234

TERMINATED Phase 1

A Study to Learn About the Amount of the Study Medicine (Sisunatovir) in Blood and Its Safety in Infants and Children With Pneumonia Caused by RSV

NCT06102174

TERMINATED Phase 1

A Study of PF-07820435 as a Single Agent and in Combination in Participants With Advanced Solid Tumors

NCT06285097

COMPLETED Phase 2

A Study to Learn About a Combined COVID-19 and Influenza Shot in Healthy Adults

NCT06237049

COMPLETED Phase 1

A Study to Learn How Different Products of the Study Medicine Called PF-07940367 Are Taken up Into the Blood in Healthy Adults

NCT06190561

COMPLETED

Reliability of Rimegepant or Triptans for the Acute Treatment of Migraine

NCT06412965

COMPLETED Phase 1

A Study to Learn How the Body Processes Spironolactone and Hydrochlorothiazide Film Coated Tablets Manufactured at Two Sites: Viatris and Neolpharma

NCT06205407

COMPLETED Phase 1

A Study to Understand the Effect of Multiple Ascending Doses of PF-07293893 in Healthy Adult Participants

NCT06177457

COMPLETED Phase 1

A Study to Learn How Safe, Tolerable and Capable of Producing an Immune Response is, a Modified RNA Vaccine Against Pandemic Influenza

NCT06179446

TERMINATED Phase 2

A Study to Learn About the Study Medicine Sisunatovir in Adults With Respiratory Syncytial Virus (RSV) Infection

NCT06079320

COMPLETED Phase 1

Study to Learn How Different Forms of The Study Medicine Called Danuglipron Are Taken up Into the Blood In Healthy Adults

NCT06153758

COMPLETED

A Study to Learn About Novel Hormonal Therapies (NHTs) for Metastatic Castration-sensitive Prostate Cancer (mCSPC) in People Who Were in the Armed Forces

NCT06151418

COMPLETED Phase 1

A Study to Learn How the Body Processes the Study Medicine Called PF-07923568 in People With Loss of Kidney Function

NCT06037031

COMPLETED Phase 1

A Study to Learn How Different Amounts of the Study Medicine Called PF-07976016 Are Tolerated and Act in The Body in Healthy Adults

NCT06106009

COMPLETED

A Study to Learn About Novel Hormonal Therapies in People With Metastatic Castration-Sensitive Prostate Cancer (mCSPC)

NCT06072196

COMPLETED

Study to Compare Overall Survival in Medicare Patients With Metastatic Breast Cancer Treated With a Medicine Called Palbociclib in Combination With Aromatase Inhibitor and Aromatase Inhibitor by Itself.

NCT06086340

COMPLETED

Effectiveness of BNT162b2 Formulations Using State Vaccine Registry and Insurance Claims Data

NCT06199934

COMPLETED

A Study to Compare the Effects of Elranatamab (PF 06863135) Versus Standard of Care (SOC) in Patients With Multiple Myeloma (MM) in Germany and US

NCT06504524

COMPLETED

A Retrospective Validation Study To Identify Chart-Based Clinical Diagnosis Of Wild-Type Transthyretin Amyloid Cardiomyopathy (Attrwt-CM) And Non-Amyloid Heart Failure Among Patients With Heart Failure (HF).

NCT06029452

COMPLETED Phase 1

A Study to Learn How Different Amounts of the Study Medicine Called PF-06954522 Are Tolerated and Act in the Body in Healthy Adults

NCT06003777

TERMINATED Phase 1

Effects of Maplirpacept (PF-07901801),Tafasitamab, and Lenalidomide in People With Relapsed or Refractory Diffuse Large B-cell Lymphoma

NCT05626322

COMPLETED

A Study to Learn About the Study Medicines Called Enzalutamide and Abiraterone in People With Metastatic Castration-resistant Prostate Cancer

NCT05968599

COMPLETED

A Study to Compare How Effective is Encorafenib Plus Binimetinib in Real-world and Clinical Trial Settings

NCT05954546

COMPLETED Phase 1

A Study for Multiple Tablet Forms of The Study Medicine (PF-07220060) in Healthy Adults

NCT05923411

COMPLETED Phase 1

A Study to Compare Zavegepant Concentration Using Samples Collected From the Vein Versus Patient-Centric Microsampling

NCT05948085

TERMINATED Phase 2

A Study to Learn About the Study Medicine (PF-06823859) in Adults With Active CLE or SLE With Skin Symptoms.

NCT05879718

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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.