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 1 of 37

RECRUITING Phase 1

A Study to Learn How Different Amounts of the Study Medicine Called PF-08103402 Are Tolerated and Act in the Body in Healthy Adults or Adults With Mild To-moderate Asthma

NCT07660731

RECRUITING Phase 3

Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents

NCT07660198

RECRUITING Phase 3

A Study to Learn About the Study Medicine Called Berobenatide (PF-08653944) in People With Overweight or Obesity

NCT07595549

RECRUITING Phase 2

Symbiotic-Lung-10: A Study to Learn About PF-08634404 Alone or in Combination in Early-stage or Locally Advanced NSCLC

NCT07489066

RECRUITING Phase 3

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

NCT07629440

RECRUITING Phase 4

A Study to Learn About the Safety of Taking an Additional Dose of the Medicine Rimegepant in Adults With Migraine

NCT07609914

RECRUITING Phase 1

An Open-Label Study to Evaluate PF-07994525 in Participants With Advanced Cancers

NCT07426757

RECRUITING Phase 2

Symbiotic-Lung-14: A Study to Learn About the Study Medicine Called PF08634404 in Combination With Chemotherapy in Adult Participants With Transformed Small Cell Lung Cancer

NCT07476287

RECRUITING Phase 1

A Study to Understand What the Body Does to the Study Medicine Called PF-07799544 When Taken by Healthy Adults

NCT07578636

RECRUITING Phase 2

Symbiotic-GI-16: A Study to Learn About the Study Medicine Called PF-08634404 in Combination With Chemotherapy in Gastroesophageal Cancer

NCT07392892

RECRUITING Phase 1

A Study to Learn How Different Forms of the Study Medicine Called PF-08049820 Are Absorbed and Eliminated in Healthy Adults

NCT07597928

RECRUITING Phase 2

A Study of PF-08653945 and PF-08653944 in Adults With Overweight or Obesity (SOLIS-1)

NCT07575932

RECRUITING Phase 1

A Study to Learn How a Single Dose of the Study Medicine Called PF-08057418 is Tolerated in the Body of Healthy Adults.

NCT07575906

RECRUITING Phase 3

A Study to Learn About the Safety of an Expanded Pneumococcal Vaccine in Healthy Infants

NCT07573462

RECRUITING Phase 1

A Study to Learn About the Medicine Called PF-08653944 in People With and Without Reduced Liver Function

NCT07519135

RECRUITING Phase 1

Phase 1 Study of PF-08046033 in Advanced Solid Tumors

NCT07519655

RECRUITING Phase 3

A Study to Learn About the Safety, Tolerability, and Immunogenicity of a Fifth Dose of 6-Valent OspA-Based Lyme Disease Vaccine

NCT07500506

RECRUITING Phase 1

A Study to Understand How a Study Medicine Called PF-07328948 is Absorbed and Processed in the Body of Healthy Male Adults

NCT07508228

RECRUITING Phase 1

Symbiotic-GU-06: A Study to Learn About PF-08634404 Alone or In Combination With Enfortumab Vedotin in Urothelial Cancer

NCT07421700

RECRUITING Phase 3

A Study to Learn About the Study Medicine (PF-08653944) in People With Obesity or Overweight and Type 2 Diabetes (T2D)

NCT07400653

RECRUITING Phase 2

A Study to Learn About mRNA Vaccines Against Influenza in Adults

NCT07431853

RECRUITING Phase 2

A Study to Learn About the Study Medicine Called PF-07275315 in People With Moderate to Severe Chronic Obstructive Pulmonary Disease

NCT07363694

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

Symbiotic-GI-13: A Study to Learn About Study Medicine Called PF-08634404 as a Single Treatment and Combination Treatment in Adult Participants With a Liver Cancer Called Hepatocellular Carcinoma, That is Too Advanced to be Removed by Surgery and May Have Spread to Other Parts of the Body.

NCT07227012

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 1

A Study to Learn How the Body Processes the Study Medicine Called Vepdegestrant in People With Loss of Liver Function

NCT07231991

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

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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.