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Active, not recruiting Phase 2 Interventional

PF-07104091 as a Single Agent and in Combination Therapy

ClinicalTrials.gov ID: NCT04553133

Public ClinicalTrials.gov record NCT04553133. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 24, 2026, 7:06 AM EDT

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

Official title

PHASE 1/2A DOSE ESCALATION, FINDING AND EXPANSION STUDY EVALUATING SAFETY, TOLERABILITY, PHARMACOKINETICS, PHARMACODYNAMICS AND ANTI TUMOR ACTIVITY OF PF-07104091 AS A SINGLE AGENT AND IN COMBINATION THERAPY

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

To assess the safety and tolerability of increasing doses of PF-07104091 and to estimate the Maximum Tolerated Dose (MTD) and/or select the Recommended Phase 2 dose (RP2D) for PF-07104091 as a single agent in participants with advanced or metastatic small cell lung, breast and ovarian cancers.

Study identification

NCT ID
NCT04553133
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 2
Lead sponsor
Pfizer
Industry
Enrollment
157 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Sep 16, 2020 (Actual)
Primary completion
Dec 31, 2026 (Estimated)
Completion
Dec 31, 2026 (Estimated)
Last update posted
May 6, 2026

2020 – 2026

United States locations

U.S. sites
17
U.S. states
6
U.S. cities
10
Facility City State ZIP Site status
Medical Oncology & Hematology Associates DBA Mission Cancer and Blood Clive Iowa 50325 —
Des Moines Oncology Research Association Des Moines Iowa 50309 —
Medical Oncology & Hematology Associates DBA Mission Cancer and Blood Des Moines Iowa 50309 —
Medical Oncology & Hematology Associates DBA Mission Cancer and Blood Des Moines Iowa 50314 —
Norton Hospital Louisville Kentucky 40202 —
Norton Cancer Institute, St. Matthews Campus Louisville Kentucky 40207 —
Norton Cancer Institute, Audubon Louisville Kentucky 40217 —
Norton Brownsboro Hospital Louisville Kentucky 40241 —
Norton Cancer Institute, Brownsboro Campus Louisville Kentucky 40241 —
Massachusetts General Hospital Boston Massachusetts 02114 —
Dana-Farber Cancer Institute - Chestnut Hill Newton Massachusetts 02459 —
Memorial Sloan Kettering Monmouth Middletown New Jersey 07748 —
Memorial Sloan Kettering Cancer Center (IDS Pharmacy) Long Island City New York 11101 —
Laura & Isaac Perlmutter Cancer Center - NYU ACC New York New York 10016 —
NYU Langone Medical Center (Tisch Hospital) New York New York 10016 —
White Plains Hospital White Plains New York 10601 —
UVA Breast Care Center Charlottesville Virginia 22911 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 5 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04553133, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted May 6, 2026 · Synced Oct 24, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04553133 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →