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 24, 2026, 9:42 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: Overweight and/or Obesity, Healthy Participants
Interventions: Berobenatide; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older
Enrollment: 144 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Anaheim, California

Conditions: Obesity, Overweight and/or Obesity, Overweight, Treatment Of Obesity
Interventions: Semaglutide, Berobenatide, Tirzepatide; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older
Enrollment: 660 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 16
States / cities: Birmingham, Alabama • Los Angeles, California • Santa Ana, California + 13 more

Conditions: Irritable Bowel Syndrome
Interventions: Rimegepant 75 MG [Nurtec]; Drug
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years to 70 Years
Enrollment: 39 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 1
States / cities: Rochester, Minnesota

Conditions: Metastatic Castration Resistant Prostate Cancer (mCRPC), Small Cell Lung Cancer (SCLC), Follicular Lymphoma (FL)
Interventions: Mevrometostat (PF-06821497), Enzalutamide, Itraconazole; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older
Enrollment: 453 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2029
U.S. locations: 45
States / cities: Tucson, Arizona • Anaheim, California • Duarte, California + 22 more

Conditions: Atopic Dermatitis
Interventions: Tilrekimig, Placebo; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 12 Years and older
Enrollment: 375 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 14
States / cities: Birmingham, Alabama • Scottsdale, Arizona • Bakersfield, California + 11 more

Conditions: COVID-19 SARS-CoV-2 Infection
Interventions: ibuzatrelvir, placebo; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 12 Years and older
Enrollment: 2,330 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2028
U.S. locations: 90
States / cities: Huntsville, Alabama • Little Rock, Arkansas • Bakersfield, California + 66 more

Conditions: Severe Hemophilia A
Interventions: MARSTACIMAB; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 12 Years to 74 Years · Male only
Enrollment: 15 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2027
U.S. locations: 6
States / cities: La Jolla, California • Los Angeles, California • San Diego, California + 1 more

Conditions: Metastatic Castration-Resistant Prostate Cancer
Interventions: PF-06821497, Placebo, Enzalutamide; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older · Male only
Enrollment: 900 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2028
U.S. locations: 39
States / cities: Chandler, Arizona • Gilbert, Arizona • Glendale, Arizona + 25 more

Conditions: Migraine
Interventions: Rimegepant, Placebo; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 6 Years to 17 Years
Enrollment: 640 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2032
U.S. locations: 56
States / cities: Fort Smith, Arkansas • Hawthorne, California • La Mesa, California + 42 more

Conditions: Preventive Treatment of Migraine
Interventions: Rimegepant, Placebo; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older
Enrollment: 400 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2029
U.S. locations: 19
States / cities: Scottsdale, Arizona • Canoga Park, California • Fresno, California + 15 more

Conditions: Respiratory Syncytial Virus (RSV)
Interventions: RSVpreF Vaccine; Biological
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older
Enrollment: 440 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 17
States / cities: Los Angeles, California • Washington D.C., District of Columbia • Decatur, Georgia + 8 more

Conditions: Metastatic Castration Sensitive Prostate Cancer (mCSPC), Hormone Sensitive Prostate Cancer, Prostate Cancer, Cancer of the Prostate
Interventions: Mevrometostat, Placebo, Enzalutamide; Drug
Lead sponsor: Pfizer; Industry
Eligibility: 18 Years and older · Male only
Enrollment: 1,000 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2034
U.S. locations: 127
States / cities: Huntsville, Alabama • Chandler, Arizona • Gilbert, Arizona + 89 more

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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A Study to Learn How Different Forms of the Study Medicine Called Berobenatide is Taken up Into the Blood in Adults With Overweight or Obesity

A Study to Learn About Switching to a Monthly Study Medicine Called Berobenatide (PF-08653944) to Help Keep Weight Off in People With Overweight or Obesity

Comparison of Rimegepant and Placebo for Pain in IBS

A Study of Mevrometostat for Treatment of Relapsed/Refractory SCLC, Castration Resistant Prostate Cancer, and Follicular Lymphoma

A Study to Learn About the Study Medicine Called Tilrekimig in People With Moderate-to-Severe Eczema

A Study to Learn About a Study Medicine Called Ibuzatrelvir in Adult and Adolescent Patients With COVID-19 Who Are Not Hospitalized But Are at Risk For Severe Disease

A Study to Learn About How Changing Therapy From Emicizumab to Marstacimab Affects People With the Severe Hemophilia A.

A Study to Learn How PF-06821497 (Mevrometostat) Works in Men With Metastatic Castration-resistant Prostate Cancer.

Efficacy and Safety Study of Rimegepant for the Preventative Treatment of Migraine in Pediatric Subjects

A Study to Learn About the Study Medicine Called Rimegepant in Adults When Used for the Prevention of Chronic Migraine

A Study to Learn About Revaccination With a Vaccine Called RSVpreF in Immunocompromised Adults

This Study Will Explore Whether a Combination of the Investigational Drug Mevrometostat (PF-06821497) and Enzalutamide Will Work Better Than Taking Enzalutamide Alone in Participants With mCSPC Who Are ARPI naïve.

About this Pfizer sponsor directory page