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 26 of 37
A Study of Tanezumab in Adults With Chronic Low Back Pain
NCT00876187
Tanezumab in Osteoarthritis of the Hip or Knee (2)
NCT00863304
Study Evaluating Inotuzumab Ozogamicin (CMC-544) Plus Rituximab In Diffuse Large B-Cell Non-Hodgkin's Lymphoma
NCT00867087
Bioavailability Study Comparing Modified Release To Immediate Release Apixaban Tablets In Healthy Volunteers
NCT00914641
Evaluation of Dalteparin for Long-term (One Year) Treatment of Blood Clots in Subjects With Cancer
NCT00942968
Study Evaluating A Planned Transition From Tacrolimus To Sirolimus In Kidney Transplant Recipients
NCT00895583
CP-690,550 and Midazolam Drug-Drug Interaction Study
NCT00902460
A Bioequivalence Study Of 8 Mg Fesoterodine Extended-Release Tablets (Toviaz™) In Healthy Subjects
NCT00902681
Relapse Prevention Study Of Desvenlafaxine Succinate Sustained Release In Outpatients With Major Depressive Disorder
NCT00887224
Study Evaluating The Long-Term Safety And Efficacy Of Subcutaneous Bapineuzumab
NCT00916617
Phase I Study Of The Safety, Tolerability, Pharmacokinetics And Pharmacodynamics Of Multiple Intravenously Administered Doses Of PF-04236921 In Patients With Rheumatoid Arthritis
NCT00838565
Tanezumab and Nerve Function In Arthritis Patients
NCT00863772
Study Evaluating Ibuprofen 600 mg Extended Release (ER) For Dental Pain
NCT00913627
Tanezumab In Osteoarthritis Of The Knee (2)
NCT00830063
A Study Comparing 2 Doses Of CP-690,550 Vs. Placebo For The Treatment Of Rheumatoid Arthritis In Patients On Other Background Arthritis Medications
NCT00856544
A Phase 3 Study Comparing 2 Doses Of CP-690,550 And The Active Comparator, Humira (Adalimumab) Vs. Placebo For Treatment Of Rheumatoid Arthritis
NCT00853385
A Bioequivalence Study Of 4 Mg Fesoterodine Extended-Release Tablets (Toviaz™) In Healthy Subjects
NCT00902187
The Effect Of Fluconazole On Pharmacokinetics Of Fesoterodine In Healthy Subjects
NCT00911235
Study Looking at Combination Therapy (Sitaxsentan+Sildenafil) Vs. Monotherapy (Sitaxsentan Alone) SR-PAAS -Sitaxsentan Efficacy And Safety Trial With A Randomized Prospective Assessment Of Adding Sildenafil
NCT00796666
A Study To Evaluate The Safety Of Voriconazole As Treatment Of Invasive Aspergillosis (Fungal Infection) And Other Rare Molds In Children
NCT00836875
Study Comparing 3 Dosage Levels Of SAM-531 In Outpatients With Mild To Moderate Alzheimer Disease
NCT00895895
A Study Of Tanezumab as Add-On Therapy to Opioid Medication In Patients With Pain Due To Cancer That Has Spread To Bone
NCT00545129
Quillivant Oral Suspension (Quillivant XR) in the Treatment of Attention Deficit Hyperactivity Disorder (ADHD)
NCT00904670
A First In Human Study To Evaluate The Safety, Tolerability And Pharmacokinetics Of PF-04455242 In Single Rising Doses In Healthy Adult Volunteers
NCT00938301
A Study To Evaluate Whether Food Affects The Plasma Drug Levels Of A 35 mg Single Dose Of PF-04447943 Taken Orally In Healthy Adult Participants
NCT00886093
Study Evaluating Safety And Tolerability Of Meningococcal B Rlp2086 Vaccine In Healthy Adults
NCT00879814
Safety And Tolerability Study Of RN6G In Patients With Dry, Age-Related Macular Degeneration
NCT00877032
Multiple Dose Study To Investigate The Effects Of Fesoterodine And Solifenacin On Gastrointestinal Transit
NCT00832650
An Evaluation Of The Effectiveness And Safety Of Anidulafungin Compared To Caspofungin For The Treatment Of Deep Tissue Infection Due To Candida
NCT00805740
A Research Study To Assess The Effectiveness And Safety Of Different Doses Of Oral PF-00489791 In The Treatment Of Adult Patients With Pulmonary Arterial Hypertension
NCT00853112
A Study To Investigate Safety, Tolerability, And Pharmacokinetics Of PF-00868554 In Japanese Healthy Adult Volunteers
NCT00875628
Prospective Multicenter Doubleblind Randomized Study of NXL104/Ceftazidime + Metronidazole vs. Meropenem in Treatment of Complicated Intra-abdominal Infections
NCT00752219
An Efficacy And Safety Study Of Tanezumab For The Treatment Of Pain Associated With Chronic Abacterial Prostatitis
NCT00826514
A Phase 2B Multicenter, Randomized, Comparative Trial Of UK-453,061 Versus Etravirine In Combination With Darunavir/Ritonavir And A Nucleos(t)Ide Reverse Transcriptase Inhibitor For The Treatment Of Antiretroviral Experienced HIV-1 Infected Subjects With Evidence Of NNRTI Resistant HIV-1
NCT00823979
Dacomitinib (PF-00299804) As A Single Oral Agent In Selected Patients With Adenocarcinoma Of The Lung
NCT00818441
Study Evaluating The SBI-087 In Subjects With Systemic Lupus Erythematosus
NCT00714116
A 2-Year Phase 3 Study Of CP-690,550 In Patients With Active Rheumatoid Arthritis On Background Methotrexate
NCT00847613
Study Of Fesoterodine In Pediatric Overactive Bladder Patients Aged 8-17 Years
NCT00857896
Multiple Dose Study in Healthy Volunteers to Assess Safety, Pharmacokinetics and Pharmacodynamics of PF 03882845
NCT00856258
Long-Term Analgesic Efficacy And Safety Of Tanezumab Alone Or In Combination With Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) Versus NSAIDs Alone In Patients With Osteoarthritis Of The Knee Or Hip
NCT00809354
Extension Study Of Tanezumab In Osteoarthritis
NCT00809783
A Phase 1, Non-Randomized, Open-Label, Single-Dose Study To Evaluate The Pharmacokinetics, Safety, And Tolerability Of Dimebon [PF 01913539] In Subjects With Severely-Impaired And Normal Renal Function
NCT00824590
A Phase 1, Randomized, Open-Label, Two-Way Crossover Study To Evaluate The Steady-State Effect Of Dimebon (PF 01913539) On The Single-Dose Pharmacokinetics And Pharmacodynamics Of Warfarin In Healthy Subjects
NCT00827034
A Phase 3 Study Comparing 2 Doses of CP-690,550 vs. Placebo for Treatment of Rheumatoid Arthritis
NCT00814307
A Phase 1 Study To Evaluate The Pharmacokinetics, Safety, And Tolerability Of Dimebon [PF-01913539] In Japanese And Western Healthy Subjects
NCT00825084
Study To Evaluate The Pharmacokinetics, Safety, And Tolerability Of Dimebon [Pf-01913539] In Subjects With Hepatic Impairment And Normal Hepatic Function
NCT00831532
A Phase 3 Study To Evaluate The Safety And Tolerability Of Dimebon Patients With Mild To Moderate Alzheimer's Disease
NCT00838110
Study To Assess Pharmacokinetics, Safety & Efficacy of Anidulafungin When Treating Children With Invasive Candidiasis
NCT00761267
A Phase 1 Study To Estimate The Relative Bioavailability Of Fixed Combination Tablets Of Azithromycin And Chloroquine Compared To Co-Administered Individual Tablets Of Azithromycin And Chloroquine
NCT00844207
Dimebon (PF-01913539)-Digoxin Drug-Drug Interaction Study In Healthy Subjects
NCT00831506
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.