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Protein expression

Claudin 18 expression

Claudin 18 expression is a protein expression biomarker in the evidence tier "FDA companion diagnostic". This page lists evidence by type: FDA companion diagnostic assertions (1), each linked to its source.

Matched identity
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FDA companion diagnostic assertions 1recorded FDA biomarker qualification projects Measured, none recorded Assay-provider ledger Measured, none recorded

FDA companion diagnostic

An FDA-cleared or approved companion diagnostic names this biomarker.

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The PDF carries up to 50 rows of each section, where the page shows the first few, with the sources listed. Enter a work email and confirm it from the message we send, and the report follows by email.

Source-level evidence only

Gene-level evidence mining does not apply to this kind of biomarker, so the source assertions on this page are the full depth available for it. A section missing below was not measured, and does not mean zero evidence.

FDA companion diagnostic assertions (1)

Shown in this order: most recent decision first.

FDA companion diagnostic assertions
Diagnostic Source biomarker wording Manufacturer Indication Decision date
VENTANA CLDN18 (43-14A) RxDx Assay Claudin 18 (CLDN18) Ventana Medical Systems, Inc. Gastric or Gastroesophageal Junction (GEJ) Adenocarcinoma 2024-10-18

Not on this page

Checked, with nothing recorded for this biomarker: fda biomarker qualification projects and assay-provider ledger.

Browse all biomarker evidence pages