MATCH Arm EAY131-B

**Semantic type:** Intellectual Product

**Definition:** The unique identifier assigned to the arm of the Molecular Analysis for Therapy Choice (MATCH) phase II clinical trial that is investigating treatment with afatinib in patients with tumors that have activating ERBB2 (HER2) gene mutations, excluding non-small cell lung carcinoma.

**Synonyms:** - B - EAY131-B