Pfizer
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 7 of 37
Relative Bioavailability Study of Nirmatrelvir/Ritonavir 4 Different Fixed Dose Combination Tablets Relative to the Commercial Tablets in Healthy Participants
NCT05525910
A Study to Compare Health Care Costs Between Apixaban and Low Molecular Weight Heparin in Patients With Venous Thromboembolism and Cancer
NCT05643885
Enzalutamide vs. Abiraterone in Chemotherapy-naïve Metastatic Castration-resistant Prostate Cancer (mCRPC)
NCT05520138
A Clinical Trial of the Study Medicine (PF-07081532) in People With Diabetes and Kidney Dysfunction
NCT05510245
A Study to Learn About the Study Medication, Zavegepant, in Healthy Volunteers
NCT06137703
A Study to Evaluate AAV9 Neutralizing Antibody Seroconversion in Household Contacts.
NCT04543357
A Preliminary Study to Evaluate PF-07264660 in Healthy Participants
NCT05496738
Safety and Immunogenicity of Pneumococcal Conjugate Formulations in Healthy Adults 18 Through 49 Years of Age
NCT05489328
Trial to Evaluate the Safety, Tolerability, and Immunogenicity of A Multivalent Group B Streptococcus Vaccine When Administered Concomitantly With Tdap in Healthy Nonpregnant Women
NCT04766086
Study of Fordadistrogene Movaparvovec in Early Stage Duchenne Muscular Dystrophy
NCT05429372
A Study to Learn About the Study Medicines (Nirmatrelvir Plus Ritonavir) in People Aged 12 Years or Older With COVID-19 and a Compromised Immune System
NCT05438602
A Study to Understand How the Study Medicine (PF-07081532) is Processed in People With Liver Dysfunction
NCT05478603
Study of Maplirpacept (PF-07901801) in Combination With PLD in Patients With Platinum-Resistant Ovarian Cancer
NCT05261490
A Relative Bioavailability Study Evaluating Two New Encorafenib Formulations
NCT05446142
Voxelotor Neurocognitive Function Study
NCT05228834
A Study to Learn About the Study Medicine (Nirmatrelvir Plus Ritonavir) in Pregnant Women With COVID-19
NCT05386472
A Study to Learn About the First and Later Lines of Medicines in Treating People With Metastatic Renal Cell Carcinoma (mRCC).
NCT05858749
A Study to Understand the Effect of Low-Fat and High-Fat Meals on the Medicine Called PF-07284890 in Healthy Adults
NCT05349864
A Study to Investigate the Effect of Tablet Formulation and Food on PF-07104091 in Healthy Participants
NCT05431153
A Study to Learn How the Study Medicine Called PF-07275315 Works in Healthy People
NCT05411588
A Study to Learn About Effect of Sisunatovir in Healthy Adult Male Participants
NCT05873764
Safety and Efficacy of BHV-3000 (Rimegepant) Orally Disintegrating Tablet for Acute Treatment of Temporomandibular Disorders
NCT05262517
A Study To Learn About The Study Vaccine (Called Self-Amplifying Ribonucleic Acid (RNA)) For The Prevention of Influenza
NCT05227001
A Study to Learn About the Study Medicine (Called Lorlatinib) in People With Liver Dysfunction
NCT05224609
A Study To Evaluate The Pharmacokinetics, Excretion, Mass Balance and Metabolism of PF-07265803
NCT05286281
A Study to Evaluate the Long-term Safety of Inclacumab Administered to Participants With Sickle Cell Disease
NCT05348915
Safety and Tolerability Study of Daily Dosing Rimegepant in Episodic Migraine Prevention
NCT05207865
Relative Bioavailability Study of PF-07321332/Ritonavir Oral Powder Relative to the Commercial Tablets in Healthy Participants
NCT05263921
Efficacy and Safety Study of Rimegepant in Episodic Migraine Prevention With Multiple Dosing Regimens
NCT05217927
Relative Bioavailability Study of 4 Different Formulations of PF-07321332 Relative to the Commercial Tablet Formulation
NCT05263895
PF-07265028 As Single Agent And In Combination With Sasanlimab in Advanced or Metastatic Solid Tumors
NCT05233436
Safety and Efficacy of BHV-3000 (Rimegepant) Orally Disintegrating Tablet for the Acute Treatment of Chronic Rhinosinusitis
NCT05248997
A Study to Learn About Sickle Cell Disease In Adult Patients
NCT05407805
Pharmacokinetic Comparability Study in Healthy Participants - PF-06881894 On-Body Injector Relative to Prefilled Syringe
NCT05194579
A First-in-human Study of Multiple Doses of Topically Administered PF-07295324 and PF-07259955
NCT05206604
Oxbryta® Product Registry An Observational Study Designed to Evaluate the Effect of Oxbryta in Individuals With SCD
NCT04930445
Comparative Effectiveness of Targeted Therapies in BRAF Positive Metastatic Melanoma in the US
NCT05260684
Protonix Treatment of Maintenance of Healing in Pediatric Participants Aged 1-11 Years and 12-17 Years
NCT04821310
A Study to Assess the Hemodynamic Effects, Safety, Tolerability, and Pharmacokinetics of Intravenous APD418 in Adult Participants With Heart Failure With Reduced Ejection Fraction
NCT05139615
Continuation Study of Long-term Safety, Tolerability, Pharmacokinetics and Efficacy of Recifercept in Achondroplasia
NCT05116046
Study of Multiple Oral Doses of PF-07081532 in Adult Participants With Type 2 Diabetes Mellitus
NCT05158244
An Extension Study for Participants Who Have Completed the Treatment Period of a Qualifying Parent Study
NCT05192200
Treatment Patterns and Clinical Outcomes Among Talazoparib-Treated Adults With HER2-Negative mBC With gBRCA1/2m
NCT05141708
A Study of a Single Dose of Inclacumab to Reduce Re-admission in Participants With Sickle Cell Disease and Recurrent Vaso-occlusive Crises
NCT04927247
A Study to Learn About the Study Medicine (Called Tofacitinib) in People With Psoriatic Arthritis
NCT05195814
Food Effect Study to Evaluate the Effect of High-Fat Meal on the Relative Bioavailability of PF-07321332 Boosted With Ritonavir in Healthy Adult Participants
NCT05129475
A Study to Assess the Effect of Oral Temanogrel on Digital Blood Flow in Adult Participants With Raynaud's Phenomenon Secondary to Systemic Sclerosis
NCT04915950
Study to Evaluate the Effect of Multiple-Dose Ritlecitinib on the Pharmacokinetics (PK) of Tolbutamide
NCT05097716
Study TO Evaluate THE Effect OF PF-06882961 ON Single Dose Atorvastatin, Medazolam AND Oralcontraceptive Pharmacokinetics IN Healthy Adult Participants
NCT05093205
A Target Occupancy Study With Ritlecitinib.
NCT05128058
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 703 |
| Phase 2 | 470 |
| Phase 3 | 411 |
| Phase 4 | 93 |
Therapeutic Areas
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.
Read our methodology - how this data is sourced, computed, and verified.
Related
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.