Pfizer

1,845 total trials 106 currently recruiting 1335 completed

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 29 of 37

COMPLETED Phase 1

Study Examing The Effect Of Omeprazole On Safety, Tolerability And How The Body Processes An Experimental Drug

NCT00644839

COMPLETED Phase 2

A Double-blind, Parallel Group, Placebo-Controlled Outpatient Trial of PD 00200390 in Adults With Nonrestorative Sleep

NCT00655369

COMPLETED Phase 1

Phase 1 Study To Evaluate Antiviral Activity Of Small Molecule Direct Antiviral Agent At Multiple Doses In Subjects With Chronically Infected Hepatitis C Virus.

NCT00671671

COMPLETED Phase 1

A Single Dose Study Investigating the Absorption and Elimination as Well as the Tolerability of Varenicline Transdermal Delivery System (e.g., a Patch) as Compared to Oral Varenicline in Adult Smokers.

NCT00661765

COMPLETED Phase 3

Study Comparing Bevacizumab + Temsirolimus vs. Bevacizumab + Interferon-Alfa In Advanced Renal Cell Carcinoma Subjects

NCT00631371

COMPLETED Phase 1

Evaluation of Varenicline Safety, Tolerability, Pharmacokinetics and Pro-Cognitive Effects in Healthy Elderly Non-Smoking Subjects

NCT00694044

TERMINATED Phase 3

A 10-week Study Evaluating the Efficacy and Safety of PD 0332334 in Patients With Generalized Anxiety Disorder (1)

NCT00658008

TERMINATED Phase 3

Carboplatin And Paclitaxel With Or Without CP-751, 871 (An IGF-1R Inhibitor) For Advanced NSCLC Of Squamous, Large Cell And Adenosquamous Carcinoma Histology

NCT00596830

TERMINATED Phase 2

Randomized Study Of Sunitinib Plus FOLFOX Versus Bevacizumab Plus FOLFOX In Metastatic Colorectal Cancer

NCT00609622

TERMINATED Phase 1

Multiple Dose Escalation Trial Of PF-04603629 Given To Subjects With Type 2 Diabetes Mellitus

NCT00637338

COMPLETED Phase 1

Study Evaluating Single Doses Of SBI-087 in Subjects With Rheumatoid Arthritis

NCT00641225

COMPLETED Phase 1

A Study of ARRY-520 in Patients With Advanced Myeloid Leukemia

NCT00637052

COMPLETED Phase 2

An Effectiveness and Safety Study of PF-04383119 for the Treatment of Pain in Interstitial Cystitis

NCT00601484

COMPLETED Phase 2

A Study To Evaluate The Safety And Pharmacokinetic Profile Of A P38 Inhibitor (PH-797804) In Subjects With Rheumatoid Arthritis Who Are Also Taking Methotrexate

NCT00620685

COMPLETED Phase 1

Study Of CP-751,871 In Patients With Ewing's Sarcoma Family Of Tumors

NCT00560235

COMPLETED Phase 4

Evaluation of Risk Minimization, Assessment and Outcomes in Patients With Chronic Pain Taking Avinza

NCT00640042

COMPLETED Phase 2

A Study Combining FOLFOX or FOLFIRI With AG-013736 or Bevacizumab (Avastin) in Patients With Metastatic Colorectal Cancer After Failure Of One First Line Regimen

NCT00615056

TERMINATED Phase 2

Study Evaluating 2 Dosing Regimens Of TRU-015 In Rheumatoid Arthritis

NCT00634933

COMPLETED Phase 3

Compare Bosutinib To Imatinib In Subjects With Newly Diagnosed Chronic Phase Philadelphia Chromosome Positive CML

NCT00574873

COMPLETED Phase 1

Bioequivalence Study Of Verapamil

NCT00668967

COMPLETED Phase 3

Clinical Trial to Evaluate the Efficacy and Safety of Fesoterodine in Comparison to Tolterodine Extended Release(ER)in Patients With Overactive Bladder.

NCT00611026

COMPLETED Phase 2

Effect of PF-00734200 in Subjects With Type 2 Diabetes

NCT00618007

COMPLETED Phase 1

Study To Assess The Impact Of Hepatic Impairment On The Safety, Tolerability And Pharmacokinetics Of Single-Dose 200 Mg Of PF-868554

NCT00651027

TERMINATED Phase 4

Measuring Gait And Self-Reported Pain In Patients With Osteoarthritis Of The Knee Using Placebo/Oxycodone/Celecoxib.

NCT00484718

COMPLETED

Transthyretin Amyloidosis Outcome Survey (THAOS)

NCT00628745

COMPLETED Phase 2

A Study to Investigate the Safety and Efficacy of CP-690,550 in Patients With Moderate to Severe Crohn's Disease

NCT00615199

COMPLETED Phase 2

An Investigational Drug, Palbociclib (PD-0332991), Is Being Studied In Combination With Velcade And Dexamethasone In Patients With Multiple Myeloma. Patients Must Have Received Prior Treatment For Multiple Myeloma.

NCT00555906

COMPLETED Phase 1

Safety And PK Study Of CVX-060 In Patients With Advanced Solid Tumors

NCT00879684

COMPLETED Phase 1

Study Of The Safety And Pharmacokinetics Of CE-326,597 In Patients With Asymptomatic Gallstones

NCT00576589

COMPLETED Phase 2

ACTiF- Assessment of Closed Tibial Fractures

NCT00533377

TERMINATED Phase 3

Study Evaluating the Safety and Efficacy of Bapineuzumab in Alzheimer Disease Patients

NCT00676143

TERMINATED Phase 3

A 14-Month Study On The Effects Of CP-945,598 For The Prevention Of Weight Regain In Obese Patients

NCT00483171

COMPLETED Phase 2

RN624 For Pain Of Post-Herpetic Neuralgia

NCT00568321

COMPLETED Phase 2

Safety and Efficacy of PF-04217329 in Patients With Glaucoma or Elevated Eye Pressure.

NCT00572455

COMPLETED Phase 1

A Study Of PF-03732010 In Patients With Advanced Solid Tumors

NCT00557505

COMPLETED Phase 2

A Trial In Diabetic Patients To Assess Effect Of CE-326,597 On Glucose Control And Body Weight

NCT00542009

COMPLETED Phase 2

Study Using CP-751,871 In Patients With Stage IV Colorectal Cancer That Has Not Responded To Previous Anti-Cancer Treatments

NCT00560560

COMPLETED Phase 4

Study Evaluating The Effect Of Ramipril On Urinary Protein Excretion In Renal Transplant Patients Converted To Sirolimus

NCT00502242

COMPLETED Phase 2

A Study to Evaluate the Efficacy and Safety of Two Doses of PF-03654746 in Adults With Attention Deficit Hyperactivity Disorder (ADHD).

NCT00531752

COMPLETED Phase 2

A Study to Test a New Decongestant in Patients With Allergic Rhinitis Following a Nasal Allergen Challenge

NCT00562120

COMPLETED Phase 3

A 14-week, Multi-center Study of [S,S]-Reboxetine in Patients With Fibromyalgia.

NCT00612170

COMPLETED Phase 2

A Phase 2 Study Evaluating The Efficacy And Safety Of PF 04494700 In Mild To Moderate Alzheimer's Disease

NCT00566397

COMPLETED Phase 2

Study Evaluating Vabicaserin in Subjects With Schizophrenia

NCT00563706

COMPLETED Phase 3

Study Evaluating Prophylaxis Treatment & Characterizing Efficacy, Safety, & PK Of B-Domain Deleted Recombinant FVIII

NCT00543439

TERMINATED Phase 2

A Trial Of [S,S]-Reboxetine In Patients With Chronic Painful Diabetic Peripheral Neuropathy.

NCT00625833

COMPLETED Phase 2

A Study of ARRY-371797 in Subjects Undergoing Third Molar Extraction

NCT00542035

COMPLETED Phase 2

Dose-response Study to Evaluate Safety, Efficacy, and Pharmacokinetics of PF-00217830 Compared With Placebo in Acute Exacerbation of Schizophrenia

NCT00580125

COMPLETED Phase 1

A First In Patient, Study Of Investigational Drug PF-03446962 In Patients With Advanced Solid Tumors

NCT00557856

COMPLETED Phase 1

A Study to Investigate the Anti-Plaque Effect of AN0128 Toothpaste

NCT00762151

COMPLETED Phase 1

A Study Of Adjunctive Treatment Of Cognitive Deficits In Schizophrenia

NCT00567203

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Phase Distribution

PhaseTrial count
Phase 1 703
Phase 2 470
Phase 3 411
Phase 4 93

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.

Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainTrial

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.