Roche receives FDA approval for the first companion diagnostic to assess PTEN protein in people living with prostate cancer
Basel, 12 June 2026 - Roche (SIX: RO, ROP; OTCQX: RHHBY) announced today that the VENTANAⓇ PTEN (SP218) RxDx Assay is the first immunohistochemistry (IHC) companion diagnostic test to receive U.S. Food and Drug Administration (FDA) approval for determining PTEN protein loss, also known as PTEN deficiency, in tumours of patients with prostate adenocarcinoma. These patients may now be eligible for treatment with AstraZeneca’s targeted therapy TRUQAPⓇ (capivasertib).
Basel, 12 June 2026 - Roche (SIX: RO, ROP; OTCQX: RHHBY) announced today that the VENTANAⓇ PTEN (SP218) RxDx Assay is the first immunohistochemistry (IHC) companion diagnostic test to receive U.S. Food and Drug Administration (FDA) approval for determining PTEN protein loss, also known as PTEN deficiency, in tumours of patients with prostate adenocarcinoma. These patients may now be eligible for treatment with AstraZeneca’s targeted therapy TRUQAPⓇ (capivasertib).
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