Labcorp Launches FDA-Approved PTEN Companion Diagnostic for Prostate Cancer
First FDA-approved IHC assay identifies patients who may be eligible for combination treatment with TRUQAP® (capivasertib) BURLINGTON, N.C., Aug. 4, 2026 /PRNewswire/ -- Labcorp (NYSE: LH), a global leader of innovative and comprehensive laboratory services, announced the nationwide availability of Roche's VENTANA® PTEN (SP218) RxDx Assay, the first immunohistochemistry (IHC) companion diagnostic test approved by the U.S. Food and Drug Administration (FDA) to determine PTEN protein loss, also known as PTEN deficiency, in tumors of patients with prostate adenocarcinoma.