Recent Updates
Recently added Catalysts

PF-07104091

Phase 1

Healthy Adults | Small molecule | Other |Pfizer, Inc.|Last Updated: Dec 19, 2025

Target and mechanism

ModalitySmall molecule

Also known as PF-07104091 monotherapy dose escalation

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

CONTROLLED
Total Trials1
Total Enrollment9

FDA Designations

No designations recorded

Clinical trial landscape

PF-07104091 · 1 trial · 1 indication

Phase 1 1
NCT07127770A Study to Understand How the Body Processes [14C]PF-07104091 in Healthy ParticipantsHealthy Adults
COMPLETED9 Analytics
PHASE1COMPLETED
A Study to Understand How the Body Processes [14C]PF-07104091 in Healthy Participants
Healthy AdultsUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of Total Radiocarbon (14c) excreted in urine
From Predose up to 14 days post dose of period 1 and 2

Percentage of 14C excreted in urine following 14C PF-07104091 single dose administration will be determined as: (Total 14C urine/ 14C dose administered) \*100 where, 14C dose was administered dose of 14C PF-07104091.

Percentage of Total Radiocarbon (14c) excreted in feces
From Predose up to 14 days post dose of period 1 (and if applicable for Period 2)

Percentage of 14C excreted in feces following 14C PF-07104091 single dose administration will be determined as: (Total 14C feces/ 14C dose administered) \*100 where, 14C dose was administered dose of 14C PF-07104091.

Percentage of Total Radiocarbon (14c) excreted in vomitus (if applicable)
From Predose up to 14 days post dose of period 1 only

Percentage of 14C excreted in vomitus (if applicable) following 14C PF-07104091 single dose administration will be determined as: (Total 14C vomitus/ 14C dose administered) \*100 where, 14C dose was administered dose of 14C PF-07104091.

Cumulative Percent Recovery of Total Radiocarbon (14C)
From Predose up to 14 days post dose of period 1 only

Percentage recovery of total radioactivity (14C) in urine, feces, and vomitus (If applicable) was determined based on total administered dose.

Percentage of Metabolite Detected in Plasma After Oral Administration of PF-07104091
From Predose to 14 days post dose of period 1

The percentage of major metabolites detected in plasma after oral administration of PF-07104091

Percentage of Metabolite Detected in Urine After Oral Administration of PF-07104091
From Predose to 14 days post dose of period 1

The percentage of major metabolites detected in urine after oral administration of PF-07104091

Percentage of Metabolite Detected in Feces After Oral Administration of PF-07104091
From Predose to 14 days post dose of period 1

The percentage of major metabolites detected in feces after oral administration of PF-07104091

Secondary Endpoints

Oral Absolute Bioavailability
From Predose up to 14 days post dose, period 2 only.
Fraction of PF-07104091 Dose Absorbed (Fa)
From Predose up to 14 days post dose
Number of Participants with Clinically Significant Abnormalities in Laboratory Parameters
From baseline up to 35 days after the last dose of study intervention (up to Day 36)
Unlock Study Endpoints

Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeBASIC_SCIENCE

Treatment Arms

ArmTypeDescription
Regimen A; Period 1EXPERIMENTALSingle oral dose of 14C-labeled PF-07104091 administered under fed conditions.
Regimen B; Period 2EXPERIMENTALSingle oral dose of unlabeled PF-07104091 administered under fed conditions followed by an intravenous (IV) infusion of PF-07104091 containing a microdose of 14C-labeled PF-07104091.

Interventions

NameTypeDescription
PF-07104091DRUGCyclin-dependent kinase-2 inhibitor
Unlock Study Design Details

Eligibility Criteria

Age Range18 Years to 65 Years
SexMALE
Healthy VolunteersYes
Study Sites1

* Participants who are overtly healthy as determined by medical evaluation including medical history, physical examination, laboratory tests, vital signs, and standard 12-lead ECGs. * Body mass index (BMI) of 17.5-32.0 kg/m2 inclusive and a total body weight \>50 kg (110 lb) * Evidence of a personal...

Countries:Netherlands
Unlock Eligibility Criteria

Frequently asked questions about PF-07104091

What is PF-07104091 used for?

PF-07104091 is an investigational small molecule being studied for the treatment of Small Cell Lung Cancer, Ovarian Cancer, and Breast Cancer. It is also being evaluated in healthy adults to understand how the body processes the drug. The drug is currently in Phase 1 clinical development.

Who makes PF-07104091?

PF-07104091 is being developed by Pfizer, Inc., a biopharmaceutical company traded on the New York Stock Exchange under the ticker symbol PFE. The company is conducting clinical trials to evaluate the drug as a single agent and in combination with other therapies.

What phase is PF-07104091 in?

PF-07104091 is in Phase 1 clinical development. It is an investigational drug and has not been approved by regulatory authorities. The drug is being studied in early-stage trials to assess its safety, tolerability, and how the body processes it.

What clinical trials is PF-07104091 in?

PF-07104091 is being studied in two clinical trials. NCT04553133 is a Phase 2 trial evaluating the drug as a single agent and in combination therapy for Small Cell Lung Cancer, Ovarian Cancer, and Breast Cancer. NCT07127770 is a Phase 1 trial in healthy adults to understand how the body processes the drug.

Is PF-07104091 the same as PF-07104091 + PF-07220060 + fulvestrant?

PF-07104091 is the base drug, and the combination of PF-07104091 with PF-07220060 and fulvestrant is a specific treatment regimen being studied in clinical trials. The combination is being evaluated for its potential efficacy in certain cancers, while PF-07104091 alone is also being tested as monotherapy.