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Assays Break New Ground in Oncology

Ariela Katz
Published: Wednesday, Feb 15, 2017
Two novel imaging agents and 6 clinical assays for use in cancer care gained the FDA’s approval in 2016, marking advances in the diagnostic field during a relatively slow year for new oncology drugs.

In terms of new assays, the FDA approved following tests in 2016:

Vysis CLL FISH Probe Kit

The Vysis CLL FISH Probe Kit was approved as a companion diagnostic to venetoclax (Venclexta), a BCL-2 inhibitor intended for patients with chronic lymphocytic leukemia (CLL) following at least 1 prior therapy. The kit, which contains 5 reagents sufficient to process 20 assays, also can be used to assess untreated patients.

The Vysis CLL FISH Probe Kit was approved in April 2016, and is manufactured by Abbott Molecular.

Ventana PD-L1 (SP142) Assay

The Ventana PD-L1 (SP142) assay, approved as a complementary diagnostic for atezolizumab (Tecentriq), assesses whether patients who have bladder cancer have PD-L1 in their tumor tissue. This will help practitioners treating patients with bladder cancer decide if atezolizumab, a PD-L1 inhibitor, is the best treatment option after platinum-based chemotherapy.

The Ventana PD-L1 (SP142) assay was approved in May 2016, and is manufactured by Ventana Medical Systems, Inc.

cobas EGFR Mutation Test

The cobas EGFR Mutation Test v2 was approved for use with plasma samples as a companion diagnostic for the non–small cell lung cancer (NSCLC) drug erlotinib (Tarceva). This is the first FDA approval of a liquid biopsy test as an aid in clinical decisions, and makes the cobas EGFR Mutation Test v2 the only FDA-approved test for the detection of the EGFR gene in DNA derived from plasma or tumor tissue.
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