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 11 of 37
Dose Ranging Study To Assess Efficacy, Safety and Tolerability Of PF-06700841 Topical Cream In Psoriasis
NCT03850483
Evaluate Severe Hepatic Impairment on Dacomitinib PK
NCT03865446
Clostridium Difficile Vaccine 2-Dose Versus 3-Dose Study
NCT03918629
Acute Treatment Trial in Adult Subjects With Migraines
NCT03872453
A Dose Escalation Study Of PF-06939999 In Participants With Advanced Or Metastatic Solid Tumors
NCT03854227
Open Label, 2-period Study, TO Compare Bio-availability OF 2 Different Formulations OF PF-05221304 IN Healthy Adults
NCT03871439
JAK1 Inhibitor With Medicated Topical Therapy in Adolescents With Atopic Dermatitis
NCT03796676
Trial to Evaluate the Safety and Immunogenicity of 3 Lots of 20-valent Pneumococcal Conjugate Vaccine in Pneumococcal Vaccine-Naïve Adults
NCT03828617
Treatment Resistance Following Anti-cancer Therapies
NCT04436120
Trial to Evaluate the Safety and Immunogenicity of a 20-Valent Pneumococcal Vaccine in Adults 65 Years of Age or Older With Prior Pneumococcal Vaccination
NCT03835975
Patient Perception of Treatment Burden in Weekly Versus Daily Growth Hormone Injections in Children With GHD
NCT03831880
A Drug-drug Interaction Study Between PF-06650833 AND PF-06651600 Following Multiple Doses IN Healthy Participants
NCT03827668
Real-world Treatment Patterns and Effectiveness of Palbociclib and AI Therapy
NCT04176354
A Bioequivalence Study of Testosterone Cypionate in Hypogonadal Males
NCT03792477
Trial To Evaluate The Safety, Tolerability, And Immunogenicity Of A Multivalent Group B Streptococcus Vaccine In Healthy Nonpregnant Women And Pregnant Women And Their Infants
NCT03765073
A Study To Assess Pharmacodynamics, Safety And Tolerability Of PF-05221304 And PF-06865571 Co-Administered For 6 Weeks In Adults With Non-Alcoholic Fatty Liver Disease.
NCT03776175
RW Treatment Patterns and Outcomes in Postmenopausal HR+/HER2- mBC Patients Treated With Palbociclib Plus Letrozole as Initial Endocrine Therapy at Community Oncology Practices in the U.S.
NCT04460898
Comparative Analysis of Outcomes Among Patients Treated With Xeljanz vs Biologics
NCT03964649
Actual Use and Compliance Study Of Ibuprofen 600 Mg Immediate Release/Extended Release Tablets In At-Risk OTC Consumers
NCT03722238
Immunogenicity and Safety Study of a Vaccine Against Lyme Borreliosis, in Healthy Adults Aged 18 to 65 Years. Randomized, Controlled, Observer-blind Phase 2 Study.
NCT03769194
Trial to Evaluate the Safety and Immunogenicity of a 20-valent Pneumococcal Conjugate Vaccine in Pneumococcal Vaccine-naïve Adults
NCT03760146
Estimation OF THE Effect OF Multiple Dose PF-06651600 ON THE Pharmacokinetics OF Single Dose Midazolam AND Efavirenz
NCT03762928
PF-06651600 for the Treatment of Alopecia Areata
NCT03732807
Vaccine-Based Immunotherapy Regimen For NSCLC and TNBC
NCT03674827
A Phase 2b Study To Evaluate The Efficacy And Safety Profile Of PF-06651600 And PF-06700841 In Active Non-segmental Vitiligo Subjects
NCT03715829
Efficacy and Safety Trial of Rimegepant for Migraine Prevention in Adults
NCT03732638
Study To Assess Local Tolerability of Crisaborole 2% Ointment and Vehicle Ointment In Healthy Participants Using Subject-reported Assessments and Objective Measurements
NCT03760042
A Study to Evaluate the Effect of Hepatic Impairment on the Pharmacokinetics of Glasdegib
NCT03627754
Study Evaluating Efficacy and Safety of PF-04965842 and Dupilumab in Adult Subjects With Moderate to Severe Atopic Dermatitis on Background Topical Therapy
NCT03720470
A Study to Evaluate PF-06730512 in Adults With Focal Segmental Glomerulosclerosis (FSGS)
NCT03448692
A Renal Impairment Study for PF-04965842
NCT03660241
PF-06952229 Treatment in Adult Patients With Advanced Solid Tumors
NCT03685591
A Hepatic Impairment Study for PF-04965842.
NCT03626415
A Study To Compare The Effectiveness Of Tofacitinib 11 Mg Once A Day To Tofacitinib 5 Mg Twice A Day
NCT04267380
A Study to Determine the Effects of PF-04965842 on the Pharmacokinetics of Oral Contraceptive Steroids in Healthy Female Subjects
NCT03662516
A Study TO Estimate THE Effect OF PF-06651600 ON THE Pharmacokinetics (PK) OF Oral Contraceptive (OC)
NCT03608241
Trial to Evaluate the Safety and Immunogenicity of Multivalent Pneumococcal Vaccines in Japanese Adults 18 to 49 Years of Age
NCT03642847
Talazoparib For Neoadjuvant Treatment Of Germline BRCA1/2 Mutation Patients With Early Human Epidermal Growth Factor Receptor 2 Negative Breast Cancer
NCT03499353
Lorlatinib Renal Impairment Study
NCT03542305
A Study of Avelumab, Binimetinib and Talazoparib in Patients With Locally Advanced or Metastatic RAS-mutant Solid Tumors
NCT03637491
Evaluation Of Clostridium Difficile Vaccine Lot Consistency In Healthy Adults 65 To 85 Years Of Age
NCT03579459
Singe Dose, First in Human Study of PF- 06946860 in Healthy Adult Subjects
NCT03599063
A Study to Evaluate Prospective Efficacy and Safety Data of Current FIX Prophylaxis Replacement Therapy in Adult Hemophilia B Subjects (FIX:C≤2%) or Current FVIII Prophylaxis Replacement Therapy in Adult Hemophilia A Subjects (FVIII:C≤1%)
NCT03587116
Avelumab and Talazoparib in Untreated Advanced Ovarian Cancer (JAVELIN OVARIAN PARP 100)
NCT03642132
Study Evaluating Efficacy and Safety of PF-04965842 in Subjects Aged 12 Years And Older With Moderate to Severe Atopic Dermatitis
NCT03575871
4-Week, Multiple-dose, Dose-escalating Study In Patients With Type 2 Diabetes
NCT03538743
2-Week Study In People With Nonalcoholic Fatty Liver Disease
NCT03513588
Javelin BRCA/ATM: Avelumab Plus Talazoparib in Patients With BRCA or ATM Mutant Solid Tumors
NCT03565991
Observational Study Investigating Clinical & Anthropometric Characteristics of Children With Achondroplasia.
NCT03794609
Study to Investigate Efficacy and Safety of PF-04965842 in Subjects Aged 12 Years and Over With Moderate to Severe Atopic Dermatitis With the Option of Rescue Treatment in Flaring Subjects
NCT03627767
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.