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 36 of 37
A Study to Evaluate the Efficacy and Safety of Celecoxib Suspension Compared to Naproxen Suspension in Patients With JRA
NCT00652925
PF-3512676 (CPG 7909) Injection For Patients Who Completed An Oncology Study Using PF-3512676 (CPG 7909)
NCT00043368
CPG 7909 Plus Herceptin® In Patients With Metastatic Breast Cancer
NCT00043394
Pharmacogenomics Blood Sampling Protocol For Irinotecan/Fluorouracil/Leucovorin(CPT-11/FU/LV).
NCT00140036
Capravirine (AG1549) in Combination With Viracept and Two NRTIs in HIV Infected Patients Who Failed an Initial NNRTI Containing Regimen
NCT00051844
The Safety and Efficacy of Intravenous Anidulafungin as a Treatment for Azole-Refractory Mucosal Candidiasis (FRMC)
NCT00041704
Ventilator-Associated Pneumonia/Hospital-Acquired Pneumonia Requiring Mechanical Ventilatory Support
NCT00050401
Treatment of Pediatric Hypertension With Altace Trial
NCT00044265
Efficacy and Safety of Inhaled Insulin Compared With Subcutaneous Human Insulin Therapy in Adults With Type 2 Diabetes
NCT00136916
A Clinical Efficacy Study Of An Oral Tyrosine Kinase Inhibitor Of VEGFR-2 Given In Combination With Chemotherapy
NCT00074854
A Safety & Effectiveness Study of Intravenous Anidulafungin With AmBisome® for Treatment of Invasive Aspergillosis (IA).
NCT00037206
Efficacy and Safety of Inhaled Insulin Compared With Subcutaneous Human Insulin Therapy in Adults With Type 1 Diabetes
NCT00137046
For Prevention of Diarrhea in Patients Diagnosed With Metastatic Colorectal Cancer Treated With Chemotherapy
NCT00037180
New Antibiotic to Treat Pediatric Patients With Infections Due to a Specific Bacteria (Vancomycin-Resistant Enterococcus)
NCT00035854
Large Simple Trial (LST) Of Cardiovascular Safety Of Ziprasidone And Olanzapine- (Zodiac)
NCT00418171
A Multicenter Phase 2 Study of CI-1040 in Patients With Advanced Nonsmall-Cell Lung, Breast, Colon and Pancreatic Cancer
NCT00034827
Open-Label Study Of Exemestane With Or Without Celecoxib In Postmenopausal Women With ABC Having Progressed On Tamoxifen
NCT00038103
Study Evaluating Sumanirole for the Treatment of the Signs and Symptoms of Early Parkinson's Disease.
NCT00036218
12 Week Evaluation of the Safety and Efficacy of a Flexible Dose of CP-526,555 and Placebo for Smoking Cessation
NCT00150228
New Antibiotic to Treat Patients With Community-acquired Pneumonia Due to a Specific Bacteria (S. Pneumoniae Pneumonia)
NCT00035269
Study Evaluating Bazedoxifene Acetate In Osteoporosis In Postmenopausal Women
NCT00205777
Treatment of Neutropenic Patients With Fever Who Are Suspected to Have A Gram Positive Infection
NCT00035425
Safety And Efficacy Study Of The Combination Of CpG 7909 And Herceptin In Patients With Metastatic Breast Cancer
NCT00031278
12 Week Evaluation of the Safety and Efficacy of 4 Dosing Strategies of CP-526,555 and Placebo for Smoking Cessation.
NCT00150254
The Safety and Effectiveness of Intravenous Anidulafungin as a Treatment for Patients With Invasive Candidiasis.
NCT00037219
Randomized Phase III Study Of Exemestane (Aromasin) For 5 Years Versus Tamoxifen for 2.5 to 3 Years Followed By Exemestane
NCT00036270
Prevention of Colorectal Sporadic Adenomatous Polyps (PRESAP)
NCT00141193
Intravenous Azithromycin Plus Intravenous Ceftriaxone Followed by Oral Azithromycin With Intravenous Levofloxacin Followed by Oral Levofloxacin for the Treatment of Moderate to Severely Ill Hospitalized Patients With Community Acquired Pneumonia
NCT00035347
Adjuvant Epirubicin/Cytoxan Followed By A Taxane VS. Epirubicin/Taxane As Treatment For Node-Positive Breast Cancer
NCT00140075
Chemoprevention of Oral Premalignant Lesions
NCT00036283
Safety and Efficacy of (PN-152,243)/PN-196,444 in the Prevention of Thrombocytopenia
NCT00038311
Open Label Sumanirole Study of Safety, Tolerability, and Therapeutic Response In Patients With Parkinson's Disease
NCT00036205
Safety and Efficacy of (PN-152,243)/PN-196,444 in the Prevention of Thrombocytopenia
NCT00039910
Open-label, Multiple-dose, Phase III Study of the Population Pharmacokinetics of I.V. Synercid in 75 Pediatric Patients
NCT00240747
A Seven-Week Dose-Ranging Study of CP-526,555 Compared With Placebo and Zyban for Smoking Cessation
NCT00150241
Gemcitabine With or Without CI-994 in Treating Patients With Advanced Non-small Cell Lung Cancer
NCT00005093
Safety and Efficacy of (PN-152,243)/PN-196,444 in the Prevention of Thrombocytopenia
NCT00037791
Effects Of An Oral Growth Hormone Secretagogue In Older Functionally Limited Adults
NCT00527046
To Evaluate the Long-Term Safety and Efficacy of Pregabalin in Patients With Partial Seizures.
NCT00141336
Leucovorin and Fluorouracil With or Without SU5416 in Treating Patients With Metastatic Colorectal Cancer
NCT00004252
Prinomastat Plus Temozolomide Following Radiation Therapy in Treating Patients With Newly Diagnosed Glioblastoma Multiforme
NCT00004200
Gemcitabine With or Without CI-994 in Treating Patients With Advanced Pancreatic Cancer
NCT00004861
Six Month Clinical Trial Assessing Efficacy And Safety Of Inhaled Insulin In Type 1 Diabetes Mellitus.
NCT00424437
Six Month Clinical Trial Assessing Efficacy And Safety Of Inhaled Insulin In Type 2 Diabetes
NCT00424411
Mitoxantrone and Prednisone With or Without Leflunomide in Treating Patients With Stage IV Prostate Cancer
NCT00004071
Combining a Caregiver Intervention With Aricept Treatment for Mild to Moderate Alzheimer's Disease
NCT00467766
Effect on Glycemic Control of Inhaled Insulin Alone or Added to Dual Oral Therapy After Failure of Dual Oral Therapy.
NCT00370565
Six Month Clinical Trial Assessing Efficacy and Safety of Inhaled Insulin in Type 1 Diabetes
NCT00424333
This Study Uses Ultrasound to Determine Whether Atorvastatin or Pravastatin Effects the Progression of Coronary Plaque.
NCT00380939
Prinomastat and Combination Chemotherapy in Treating Patients With Metastatic or Recurrent Non-small Cell Lung Cancer
NCT00004199
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.