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PF-08052667

Phase 1

Non-muscle Invasive Bladder Cancer | Small molecule | Oncology |Pfizer, Inc.|Last Updated: Apr 21, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
CONTROLLEDBiomarker
Total Trials1
Total Enrollment294
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07206225A Study to Learn About the Study Medicine PF-08052667 in People With Bladder CancerPHASE1 RECRUITING 294Nov 6, 2025Jan 28, 2033Apr 21, 202647 United States, France +3
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Study Endpoints
Primary Endpoints
Number of participants with dose limiting toxicities (DLTs) in dose escalation in Part 1 and Part 2 participants only
Day of first dose (Day 1) Up to 21 days

Any AE occurring during the DLT observation period that is attributed to PF-08052667 and not to the underlying disease or other causes is considered a DLT. DLT rate estimated based on data from DLT-evaluable participants during the DLT evaluation period.

Number of participants with adverse events (AEs) in Part 1 and Part 2 participants only
From the first day through 30-37 days after the last study treatment, up to approximately 2 years

AEs as characterized by type, frequency, severity (CTCAE v5.0), seriousness, and relatedness to study drug(s).

Number of participants with laboratory abnormalities in Part 1 and Part 2 participants only
From the first day through 30-37 days after the last study treatment, up to approximately 2 years

Laboratory abnormalities as characterized by type, frequency, severity

Recurrence-free survival (RFS) in Part 3 participants only
Through end of study and up to approximately 2 years

RFS is defined as the time from the first dose until recurrence of high-grade disease, or death due to any cause, whichever occurs first

Event-free survival (EFS) in Part 3 participants only
Through end of study and up to approximately 2 years

EFS is defined as the time from the first dose until the first occurrence of an EFS event including progressive disease, recurrence of high-grade disease, or death due to any cause, whichever occurs first

Secondary Endpoints
PK: Maximum Observed Serum Concentration (Cmax)
From the first day through 30-37 days after the last study treatment
PK: Time to Reach Maximum Observed Serum Concentration (Tmax)
From the first day through 30-37 days after the last study treatment
PK: Minimum observed serum concentration (Ctrough)
From the first day through 30-37 days after the last study treatment
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Monotherapy Dose EscalationEXPERIMENTALPF-08052667 will be administered through intravesical instillation at defined dose levels. Dosing schedule is on Day 1, 8 and 15 of a 21-day cycle.
Combination Therapy Dose EscalationEXPERIMENTALPF-08052667 + BCG and/or sasanlimab of a 21-day cycle starting from Day 1
Dose Optimization and ExpansionEXPERIMENTALPF-08052667 monotherapy or in combination with BCG and/or sasanlimab at dose levels/schedules for PF-08052667 determined in Parts 1 and 2.
Interventions
NameTypeDescription
PF-08052667DRUGPF-08052667 will be administered intravesical (IVe) instillation following a PF-02921367 (DDM) bladder pre-wash
SasanlimabDRUGSasanlimab will be administered as subcutaneous (SC) injection
BCGDRUGBCG will be administered intravesical (IVe) instillation
PF-02921367DRUGPF-02921367 (DDM) is a 10-min pre- wash and will be administered intravesical (IVe) instillation
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo
Study Sites47

INCLUSION CRITERIA: 1. 18 years of age or older (or the minimum age of consent per local regulations) 2. Histological diagnosis of high-risk, non-muscle invasive urothelial carcinoma of the bladder defined according to the WHO grading system as carcinoma in situ (CIS), with or without concurrent T1...

Countries:United StatesFranceIsraelSouth KoreaSpain
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Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07206225primaryCompletionDate: changed
LOWMay 24, 2026NCT07206225studyFirstPostDate: changed