Trial Profile

A PHASE 1/2A DOSE ESCALATION AND EXPANSION STUDY TO EVALUATE SAFETY, TOLERABILITY, PHARMACOKINETIC, PHARMACODYNAMIC, AND ANTI-TUMOR ACTIVITY OF PF-07248144 IN PARTICIPANTS WITH ADVANCED OR METASTATIC SOLID TUMORS

Status: Recruiting

Phase of Trial: Phase I/II

Latest Information Update: 11 Dec 2025

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At a glance

Drugs Atirmociclib (Primary) ; Fulvestrant (Primary) ; Letrozole (Primary) ; Palbociclib (Primary) ; Prifetrastat (Primary) ; Vepdegestrant (Primary)
Indications Advanced breast cancer; HER2 negative breast cancer; Non-small cell lung cancer; Prostate cancer; Solid tumours
Focus Adverse reactions; First in man
Acronyms KAT6
Sponsors Pfizer

24 Nov 2025 According to an Arvinas media release, Trial in Progress Poster for PF-07248144, in combination with vepdegestrant in patients with ER+/HER2- locally advanced or metastatic breast cancer from this study will be presented in a poster at San Antonio Breast Cancer Symposium (SABCS), taking place December 9-12, 2025 in San Antonio, Texas.
13 Aug 2025 Planned End Date changed from 30 Jan 2028 to 22 Sep 2029.
13 Aug 2025 Planned primary completion date changed from 30 Jan 2028 to 3 Feb 2028.

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