Rabbit Monoclonal Primary Antibody

PD-L1 analytic assay | Navigating the unknown

The VENTANA PD-L1 (SP263) Rabbit Monoclonal Primary Antibody was the first ready-to-use IVD IHC antibody that empowered you to evaluate PD-L1 expression using the OptiView DAB IHC Detection Kit. Available for sale in the US and CE Marked. 

PD-L1 diagnostic confidence

VENTANA PD-L1 (SP263) Rabbit Monoclonal Primary Antibody* is intended for laboratory use in the detection of the PD-L1 protein in formalin-fixed, paraffin-embedded tissue. It is intended to be stained with the VENTANA BenchMark series of immunohistochemical automated slide stainers. It is indicated as an aid in the assessment of PD-L1 expression in non-small cell lung cancer (NSCLC) and other tumor types.


*Optimized for use on VENTANA BenchMark instruments. In the US only available on the VENTANA BenchMark ULTRA Instrument.

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Related predictive PD-L1 assay

VENTANA PD-L1 (SP263) Assay

PD-L1 expression in tumor cell membrane as detected by VENTANA PD-L1 (SP263) Assay in non-squamous NSCLC may be associated with enhanced survival from OPDIVO® (nivolumab). CE marked. 

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The PD-L1 immunologic checkpoint

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The tumor microenvironment