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 28 of 37
A Study To Test The Impact Of PF- 00299804 On How The Body Handles Dextromethorphan In Cancer Patients
NCT00728468
Randomized Study Comparing the Efficacy and Safety of Varenicline Tartrate to Placebo in Smoking Cessation When Subjects Are Allowed to Set Their Own Quit Date
NCT00691483
Drug Interaction Study Between Raltegravir And UK-453,061
NCT00784420
A Study To Assess The Anidulafungin And Voriconazole Concentration In Lung Following Intravenous Administration In Healthy Subjects
NCT00940017
A Single Dose Study Investigating The Elimination Of PD-0332334 In Patients Receiving Regular Hemodialysis
NCT00730145
Study Of Dalbavancin Drug Levels Achieved In Hospitalized Adolescents Who Are Receiving Antibiotic Therapy For Bacterial Infections
NCT00678106
Assessing Neuropsychiatric Symptoms Including Depression, Anxiety, Irritability, and Suicidal Thoughts or Behavior in Subjects Quitting Smoking on Varenicline Tartrate or Placebo
NCT00749944
Study Of CP-751,871 In Combination With Sunitinib In Patients With Advanced Solid Tumors
NCT00729833
Randomized, Double-Blind, Placebo-Controlled, Phase 2 Study In Subjects With Osteoarthritic Pain Of The Knee
NCT00689273
A Study To Assess Esreboxetine's Effect On Concentration, Memory, Decision Making And Problem Solving In Patients With Fibromyalgia.
NCT00752505
An Effectiveness And Safety Study Of PD 0299685 For The Treatment Of Symptoms Associated With Interstitial Cystitis
NCT00739739
Single Dose Escalation Study of PF-04360365 In Subjects With Mild To Moderate Alzheimer's Disease
NCT00733642
A Dose Ranging Study Of PF-00868554 In Combination With PEGASYS And COPEGUS In Patients With Chronic Hepatitis C Genotype 1 Infection
NCT00720434
The Effects Of Fx-1006A On Transthyretin Stabilization And Clinical Outcome Measures In Patients With V122I Or Wild-Type TTR Amyloid Cardiomyopathy
NCT00694161
Follow-Up Study for Exubera
NCT00734591
Extension Study Of Subjects From Study A3921030 For The Prevention Of Acute Rejection In Kidney Transplant Patients
NCT00658359
A Study of PF-04217903 in Patients With Advanced Cancer
NCT00706355
Study to Test the Combination of Voriconazole and Anidulafungin in Patients Who Have, or Are Thought to Have, Invasive Aspergillosis and Who Are Unable to Take a Common Antifungal Therapy (Polyene)
NCT00620074
Nonrestorative Sleep RSQ (Restorative Sleep Questionnaire) Development-- Methodology Study
NCT00705601
A Phase I, Multiple Dose Study of PF-04447943 in Healthy Elderly Volunteers
NCT00736528
A Single Dose Study Investigating the Elimination as Well as the Tolerability of PD 0332334 in Healthy Subjects as Compared to Patients With Impaired Kidney Function.
NCT00721422
PF-04191834 Single Dose Bronchodilatory Study In Asthma.
NCT00723021
Effect Of Treatment With Oral Zolpidem On Polysomnography And Actigraphy Measures In Healthy Volunteers
NCT00716521
Study of Controlled Release Formulations of CE-224,535 Against the Immediate Release Formulation in Normal Volunteers
NCT00782600
Anidulafungin Plus Voriconazole Versus Voriconazole For The Treatment Of Invasive Aspergillosis
NCT00531479
Effectiveness and Safety of 3 Dosing Regimens of CP-690,550 to Placebo in Subjects With Moderate to Severe Chronic Plaque Psoriasis
NCT00678210
An Investigation Of The Effects Of Food On The Absorption Of A Varenicline Controlled Release Formulation
NCT00731562
Phase 1 Pharmacokinetic Study Of CP-945598 In Patients With NASH
NCT00706537
Sunitinib Plus Prednisone In Patients With Metastatic Castration-Resistant Prostate Cancer After Failure Of Docetaxel Chemotherapy
NCT00676650
Study Of Sunitinib Malate Versus Sorafenib In Patients With Inoperable Liver Cancer
NCT00699374
A Multiple-Dose Study To Evaluate The Pharmacokinetics And Safety Of Voriconazole In Immunocompromised Adolescents
NCT00556998
Study Evaluating The Safety And Efficacy Of Desvenlafaxine Succinate For Vasomotor Symptoms In Menopausal Women
NCT00683800
Plant Cell Expressed Recombinant Human Glucocerebrosidase Extension Trial
NCT00705939
The Effects of Fx-1006A on Transthyretin Stabilization and Clinical Outcome Measures in Patients With Non-V30M Transthyretin Amyloidosis
NCT00630864
Study Evaluating The Efficacy And Safety Of Bapineuzumab In Alzheimer Disease Patients
NCT00667810
A Study To Investigate The Absorption, Metabolism And Excretion Of [14C] PD 0200390 In Six Healthy Male Volunteers
NCT00722306
Study Evaluating Safety of 13-Valent Pneumococcal Conjugate Vaccine in Healthy Elderly Subjects
NCT00500266
Evaluation Of Hepatic Impairment On AG-013736 Pharmacokinetics
NCT00692341
A Phase I, Healthy Volunteer Positron Emission Tomography Study
NCT00730990
Smoking Cessation Study for Patients With Schizophrenia or Schizoaffective Disorder
NCT00644969
Open Label Extension Study of [S,S]-Reboxetine in Patients With Fibromyalgia
NCT00754221
Trial Of CP-751, 871 And Erlotinib In Refractory Lung Cancer
NCT00673049
A 10-week Study Evaluating the Efficacy and Safety of PD 0332334 for the Treatment of Generalized Anxiety Disorder (3)
NCT00658762
A 10-week Study Evaluating the Efficacy and Safety of PD 0332334 in Patients With Generalized Anxiety Disorder (2)
NCT00658372
PF-00299804 As A Single Agent, In Patients With Advanced Non-Small Cell Lung Cancer Who Have Failed Chemotherapy And Erlotinib
NCT00548093
A Study To Compare Pregabalin/PF-00489791 Combination Versus Pregabalin Alone In Post-Herpetic Neuralgia
NCT00599638
A Study of ARRY-371797 in Subjects Undergoing Third Molar Extraction
NCT00663767
Study of CE-224,535 A Twice Daily Pill To Control Rheumatoid Arthritis In Patients Who Have Not Totally Improved With Methotrexate
NCT00628095
Study Examining The Effect Of Hepatic Impairment On Safety, Toleration And How The Body Processes An Experimental Drug
NCT00645021
A Study Of AG-013736 (Axitinib) Or Bevacizumab (Avastin) In Combination With Paclitaxel And Carboplatin In Patients With Advanced Lung Cancer.
NCT00600821
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.