Sponsor Directory

Pfizer clinical trials

Sponsor pages show live ClinicalTrials.gov search results and objective aggregate stats only. They do not describe sponsor quality, reputation, or expected outcomes.

ClinicalTrials.gov public records Last synced Oct 30, 2026, 1:47 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

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Conditions: Lower Respiratory Tract Illness
Interventions: RSVpreF, Placebo; Biological
Lead sponsor: Pfizer; Industry
Eligibility: 60 Years and older
Enrollment: 38,861 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2027
U.S. locations: 176
States / cities: Birmingham, Alabama • Huntsville, Alabama • Glendale, Arizona + 119 more

Conditions: Nonmetastatic Castration-Resistant Prostate Cancer, Prostate Cancer, Cancer of the Prostate
Interventions: Enzalutamide, Placebo; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older · Male only
Enrollment: 1,401 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2013 – 2025
U.S. locations: 37
States / cities: Tucson, Arizona • Los Angeles, California • Orange, California + 27 more

Conditions: Influenza, COVID-19 (Coronavirus Disease 2019)
Interventions: Investigational Influenza Vaccine, Investigational COVID-19 Vaccine, Investigational Influenza and COVID-19 Combination Vaccine, Licensed Influenza Vaccine 1, Licensed Influenza Vaccine 2, Licensed Influenza Vaccine 3, Licensed COVID-19 Vaccine; Biological · Combination Product
Lead sponsor: BioNTech SE; Industry
Eligibility: 18 Years and older
Enrollment: 2,650 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025
U.S. locations: 31
States / cities: Anaheim, California • Lake Forest, California • Riverside, California + 26 more

Conditions: Migraine
Interventions: Rimegepant, Triptans; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older
Enrollment: 1,395 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024
U.S. locations: 1
States / cities: New York, New York

Conditions: Hormone Receptor Positive Malignant Neoplasm of Breast, Human Epidermal Growth Factor 2 Negative Carcinoma of Breast, Estrogen Receptor Positive Breast Cancer, Progesterone Receptor Positive Tumor, Metastatic Breast Cancer
Interventions: Palbociclib, Tamoxifen; Drug
Lead sponsor: Oana Danciu, MD; Other
Eligibility: 18 Years and older
Enrollment: 49 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2023
U.S. locations: 7
States / cities: Chicago, Illinois • Lansing, Michigan • Minneapolis, Minnesota + 4 more

Conditions: Dermatitis, Atopic
Interventions: Abrocitinib 100 mg, Abrocitinib 200 mg, Placebo; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 12 Years and older
Enrollment: 3,166 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2025
U.S. locations: 156
States / cities: Birmingham, Alabama • Anaheim, California • Encinitas, California + 101 more

Conditions: Immune Checkpoint Inhibitor-Related Diarrhea and Colitis
Interventions: Etrasimod, Placebo, Corticosteroids; Drug
Lead sponsor: Yale University; Other
Eligibility: 18 Years and older
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2029
U.S. locations: 1
States / cities: New Haven, Connecticut

Conditions: SARS-CoV-2 Infection, COVID-19
Interventions: BNT162b2 Bivalent (original/Omicron BA.4/BA.5) 30 mcg, BNT162b4 5 mcg, BNT162b4 10 mcg, BNT162b4 15 mcg, BNT162b4 30 mcg, BNT162b2 Monovalent (OMI XBB.1.5) 30 mcg; Biological
Lead sponsor: BioNTech SE; Industry
Eligibility: 18 Years and older
Enrollment: 383 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2024
U.S. locations: 17
States / cities: Tempe, Arizona • Newport Beach, California • San Diego, California + 13 more

Conditions: Metastatic HER2+ Advanced Breast Cancer
Interventions: Tucatinib, Trastuzumab, Capecitabine; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older
Enrollment: 86 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025
U.S. locations: 1
States / cities: New York, New York

Conditions: Carcinoma, Non-Small-Cell Lung
Interventions: Sasanlimab Prefilled syringe, Encorafenib, Binimetinib, Sasanlimab, Axitinib, SEA-TGT; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older
Enrollment: 34 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2024
U.S. locations: 43
States / cities: Duarte, California • Encinitas, California • Fresno, California + 25 more

Conditions: Ovarian Neoplasms, Peritoneal Neoplasms, Fallopian Tube Neoplasms, Triple Negative Breast Neoplasms, HER2 Negative Breast Neoplasms, Hormone Receptor Positive Breast Neoplasms, Endometrial Neoplasms, Carcinoma, Non-Small-Cell Lung, Cholangiocarcinoma, Gallbladder Carcinoma, Adenoid Cystic Carcinoma
Interventions: Felmetatug Vedotin, Pembrolizumab; Drug
Lead sponsor: Seagen, a wholly owned subsidiary of Pfizer; Industry
Eligibility: 18 Years and older
Enrollment: 250 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2025
U.S. locations: 22
States / cities: Aurora, Colorado • Denver, Colorado • Celebration, Florida + 9 more

Conditions: Brain Metastases, HER2-positive Breast Cancer
Interventions: Combined use of SRS with Tucatinib, Trastuzumab, and Capecitabine; Combination Product
Lead sponsor: Baptist Health South Florida; Other
Eligibility: 18 Years and older
Enrollment: 1 participant
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Miami, Florida

About this Pfizer sponsor directory page

What this page lists: U.S. ClinicalTrials.gov public records where Pfizer is the lead sponsor, including recruiting, not yet recruiting, and active not recruiting trials across phase 1, phase 2, and phase 3.
How to narrow results: Use the filters above to scope by condition, intervention, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, age, or NCT ID within Pfizer trials.
Where the data comes from: Records are sourced from the official ClinicalTrials.gov public API. Each result links back to the official study page, which is the source of truth for eligibility, enrollment, and contact information.
What this page does not do: No medical advice, eligibility judgments, sponsor quality scoring, ranking of trials, or AI-generated medical summaries.

Pfizer clinical trials

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Study to Evaluate the Efficacy, Immunogenicity, and Safety of RSVpreF in Adults.

Safety and Efficacy Study of Enzalutamide in Patients With Nonmetastatic Castration-Resistant Prostate Cancer

A Study to Learn About How the Flu and COVID-19 Vaccines Act in Healthy People

Comparison of Patient-reported Outcomes for Rimegepant and Triptans in the 2023 US National Health and Wellness Survey

Palbociclib in Combination With Tamoxifen as First Line Therapy for Metastatic Hormone Receptor Positive Breast Cancer

Study to Evaluate Efficacy and Safety of PF-04965842 With or Without Topical Medications in Subjects Aged 12 Years and Older With Moderate to Severe Atopic Dermatitis

Etrasimod for Immune Checkpoint Inhibitor Diarrhea and Colitis

Safety and Effects of an Investigational COVID-19 Vaccine as Booster in Healthy People

Real World-clinical Outcomes of Tucatinib, Trastuzumab, and Capecitabine Following Trastuzumab Deruxtecan (T-DXd) for the Treatment of HER2-positive Metastatic Breast Cancer.

Study of Immunotherapy (Sasanlimab) in Combination With Targeted Therapies in People With Advanced Non-small Cell Lung Cancer (NSCLC) (Landscape 1011 Study)

A Study of Felmetatug Vedotin/SGN-B7H4V in Advanced Solid Tumors

Tucatinib, Trastuzumab, and Capecitabine With SRS for Brain Metastases From HER-2 Positive Breast Cancer

About this Pfizer sponsor directory page