FoundationOne CDx receives FDA approval as companion diagnostic with Keytruda

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FoundationOne CDx has received FDA approval as a companion diagnostic for Keytruda (pembrolizumab), Merck’s anti-PD-1 therapy.

FoundationOne CDx was also approved under accelerated approval for the treatment of adult and pediatric patients with unresectable or metastatic tumor mutational burden-high (TMB-H) [≥10 mutations/megabase (mut/Mb)] solid tumors, as determined by an FDA-approved test, that have progressed following prior treatment and who have no satisfactory alternative treatment options.

FoundationOne CDx is sponsored by Foundation Medicine.

FoundationOne CDx is the first and only FDA-approved companion diagnostic to measure TMB and help identify patients who may be appropriate for treatment with Keytruda, regardless of solid tumor type.

FoundationOne CDx, Foundation Medicine’s comprehensive genomic profiling assay approved for all solid tumors, enables oncologists to identify TMB-H patients (≥ 10 mutations/megabase) with unresectable or metastatic solid tumors across all tumor types who could potentially benefit from Keytruda.

FoundationOne CDx is the first FDA-approved CGP test that is clinically and analytically validated for all solid tumors and incorporates multiple companion diagnostic claims. It is currently approved as the companion diagnostic test for more than 20 therapies across multiple cancer types.

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The University of California, San Francisco and global oncology communities mourn the death of Felix Y. Feng, MD, a radiation oncologist and a leading figure in genitourinary cancer research. A professor of radiation oncology, urology and medicine, and vice chair of translational research at the UCSF Helen Diller Family Comprehensive Cancer Center, Feng died from cancer on Dec.10, 2024. He was 48.
The late Felix Feng, MD (center) with researchers Jonathan Chou, MD, PhD (left) and Lisa Chesner, PhD (right), in 2019.Photo by Noah BergerFelix Y. Feng, a genitourinary cancer research leader, died on Dec. 10, 2024. He was 48.This article is republished with permission by NRG Oncology.Dr. Feng was the former NRG Oncology Genitourinary Cancer Committee chair and an RTOG Foundation member. After years of dedicated and enthusiastic commitment to the NRG and previously the RTOG Genitourinary Cancer Committee, chairing or co-chairing 13 research protocols for NRG and RTOG, Dr. Feng was appointed committee chair in March 2018, following in the footsteps of Dr. Howard Sandler, his mentor. Dr. Feng was also a member of the RTOG Foundation Board of Directors.

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