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 13 of 37

COMPLETED Phase 2

Open Label Safety Study in Acute Treatment of Migraine

NCT03266588

COMPLETED Phase 2

Phase 2a, Dose-ranging Study With PF-05221304 in Nonalcoholic Fatty Liver Disease (NAFLD)

NCT03248882

COMPLETED Phase 1

A Study To Assess The Safety, Tolerability, And Pharmacokinetics (PK) Of Multiple Doses Of PF-06865571 In Healthy, Including Overweight And Obese, Adult Subjects

NCT03230383

COMPLETED Phase 3

Safety and Efficacy in Adult Subjects With Acute Migraines

NCT03237845

COMPLETED Phase 1

Proton Pump Inhibitor (PPI, Rabeprazole) Effect On Tablet Formulation Of Palbociclib

NCT03220191

COMPLETED Phase 3

Safety and Efficacy Study in Adult Subjects With Acute Migraines

NCT03235479

TERMINATED Phase 1

A First in HumanTrial to Evaluate The Safety, Tolerability, And Pharmacokinetics Of PF-06755347

NCT03275740

COMPLETED Phase 1

A First in Human Study to Evaluate Safety, Tolerability, and Pharmacology of PF-06826647 in Healthy Subjects and Subjects With Plaque Psoriasis

NCT03210961

TERMINATED Phase 2

Safety and Tolerability of PF-06649751 in Parkinson's Disease Patients With Motor Fluctuations

NCT03185481

COMPLETED Phase 1

Single-dose Study of [14C]Lorlatinib (PF-06463922) Metabolism In Healthy Male Volunteers

NCT03184168

COMPLETED Phase 2

A Study of Talazoparib in Men With DNA Repair Defects and Metastatic Castration-Resistant Prostate Cancer

NCT03148795

COMPLETED Phase 2

A Study of Recombinant AAV2/6 Human Factor 8 Gene Therapy SB-525 (PF-07055480) in Subjects With Severe Hemophilia A

NCT03061201

COMPLETED Phase 1

A Study to Evaluate the Effects of Food and Esomeprazole on the Pharmacokinetics of Crizotinib in a Coated Microsphere Formulation.

NCT03137134

COMPLETED

Ibrance Real World Insights

NCT03159195

COMPLETED Phase 2

A Phase 1/2, Randomized, Placebo-controlled, Observer-blinded Trial To Evaluate The Safety, Tolerability, And Immunogenicity Of A Multivalent Group B Streptococcus Vaccine In Healthy Adults 18 To 49 Years Of Age

NCT03170609

TERMINATED Phase 4

PREA, PK And Safety PASS Study Of IV Pantoprazole In Pediatric Subjects

NCT02401035

COMPLETED Phase 1

A Study Of Glasdegib In Healthy Volunteers To Establish The Bioequivalence Of The Phase 2 Formulation To The ICH Formulation

NCT03130556

COMPLETED Phase 3

A Trial to Describe the Immunogenicity and Safety of 2 Doses of Bivalent rLP2086 (Trumenba) and a Pentavalent Meningococcal Vaccine in Healthy Subjects >=10 to <26 Years of Age.

NCT03135834

COMPLETED Phase 3

Clostridium Difficile Vaccine Efficacy Trial

NCT03090191

COMPLETED Phase 1

Single-Dose PK and Safety Study of GBT440 in Subjects With Hepatic Impairment

NCT03114540

COMPLETED Phase 1

Single Dose Study to Assess the Safety, Tolerability and Pharmacokinetics(PK) of PF-06865571

NCT03092232

COMPLETED Phase 2

PF-06741086 Multiple Dose Study in Severe Hemophilia

NCT02974855

COMPLETED Phase 1

An Open-Label Pharmacokinetics and Safety Study of Talazoparib

NCT02997163

COMPLETED Phase 1

Methodology Study To Examine 6-Week Food Intake With Liraglutide In Obese Subjects

NCT03041792

COMPLETED Phase 2

Study to Compare Oral PF-06651600, PF-06700841 and Placebo in Subjects With Moderate to Severe Ulcerative Colitis

NCT02958865

COMPLETED Phase 1

Study Assessing the Safety, Immunogenicity and Dose Response of VLA15, A New Vaccine Candidate Against Lyme Borreliosis

NCT03010228

COMPLETED

Palbociclib in Real World Practice

NCT03280303

COMPLETED Phase 2

Study To Assess The Efficacy And Safety Of Pf-06651600 In Subjects With Rheumatoid Arthritis With An Inadequate Response To Methotrexate

NCT02969044

TERMINATED Phase 3

Avelumab In Combination Regimens That Include An Immune Agonist, Epigenetic Modulator, CD20 Antagonist and/or Conventional Chemotherapy in Patients With Relapsed or Refractory Diffuse Large B-cell Lymphoma (R/R DLBCL)

NCT02951156

COMPLETED Phase 2

Study To Evaluate The Efficacy And Safety Profile Of PF-06651600 And PF-06700841 In Subjects With Alopecia Areata

NCT02974868

COMPLETED Phase 3

A Study of Ibuprofen 250 mg / Acetaminophen 500 mg Comparing The Antipyretic Effects in Healthy Male Volunteers

NCT02761980

COMPLETED Phase 3

Study to Evaluate the Effect of Voxelotor Administered Orally to Patients With Sickle Cell Disease (GBT_HOPE)

NCT03036813

COMPLETED Phase 2

Study To Evaluate Safety And Efficacy Of PF-06700841 In Subjects With Moderate To Severe Plaque Psoriasis

NCT02969018

TERMINATED Phase 1

A Study Of PF-06747143, As Single Agent Or In Combination With Standard Chemotherapy In Adult Patients With Acute Myeloid Leukemia

NCT02954653

TERMINATED Phase 3

Study To Compare Avelumab In Combination With Standard of Care Chemoradiotherapy (SoC CRT) Versus SoC CRT for Definitive Treatment In Patients With Locally Advanced Squamous Cell Carcinoma Of The Head And Neck (JAVELIN HEAD AND NECK 100)

NCT02952586

COMPLETED Phase 1

Test Re-Test Reliability of [11C]PF-06809247 as a Novel PET Tacer

NCT03100136

TERMINATED Phase 1

Safety and Tolerability of PF-06818883 in Healthy Subjects

NCT03020784

COMPLETED Phase 2

Safety and Efficacy of Pf-06650833 In Subjects With Rheumatoid Arthritis, With An Inadequate Response To Methotrexate

NCT02996500

COMPLETED Phase 2

Open-Label Extension and Safety Study of Talazoparib

NCT02921919

COMPLETED Phase 1

A Phase 1, Randomized, Controlled, Observer-blinded Trial to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Conjugate Vaccine in Healthy Adults Aged 18 to 49 Years

NCT02955160

TERMINATED Phase 1

Safety and Tolerability of PF-05230907 in Intracerebral Hemorrhage

NCT02687191

TERMINATED Phase 2

Efficacy, Safety and Tolerability of PF-06649751 in Parkinson's Disease Patients at Early Stage of the Disease

NCT02847650

COMPLETED Phase 3

Study of Encorafenib + Cetuximab Plus or Minus Binimetinib vs. Irinotecan/Cetuximab or Infusional 5-Fluorouracil (5-FU)/Folinic Acid (FA)/Irinotecan (FOLFIRI)/Cetuximab With a Safety Lead-in of Encorafenib + Binimetinib + Cetuximab in Patients With BRAF V600E-mutant Metastatic Colorectal Cancer

NCT02928224

COMPLETED Phase 1

A Study to Assess the Effects of Talazoparib on Cardiac Repolarization in Patients With Advanced Solid Tumors

NCT03042910

TERMINATED Phase 2

An Open-label Extension Study To Evaluate Safety Of PF-06252616 In Boys With Duchenne Muscular Dystrophy

NCT02907619

COMPLETED Phase 1

Single Dose of PF-06835919 Escalation Study in Healthy Adult Subjects

NCT02974374

COMPLETED Phase 1

A Study in Healthy Volunteers to Assess Immune Response to Multiple Injections of Filgrastim Hospira or Neupogen Reference Product.

NCT02923791

COMPLETED Phase 1

An Open-Label Pharmacokinetics and Safety Study of Talazoparib (MDV3800)

NCT02997176

TERMINATED Phase 1

First in Patient Study for PF-06840003 in Malignant Gliomas

NCT02764151

COMPLETED Phase 4

Methotrexate Withdrawal Study of Tofacitinib Modified Release Formulation in Subjects With Rheumatoid Arthritis

NCT02831855

← Previous Page 13 of 37 Next →

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.