Foundation Medicine Inc. has struck up a partnership with Pfizer Inc. to develop and eventually market companion diagnostics (Cdx) for its comprehensive genomic profiling (CGP) assay, Foundationone Cdx. FDA-approved Foundationone Cdx provides genomic profiles and incorporates additional diagnostic information on solid tumors. The test detects alterations to EGFR, ALK, BRAF, ERBB2, KRAS, NRAS and BRCA1/2 genes.