Clinical Testing of Pan-TRK Inhibitor Progresses Across Multiple Tumor Types

Ariela Katz
Published: Monday, Feb 12, 2018
Dr Alexander Drilon

Alexander Drilon, MD
The pan-TRK inhibitor entrectinib (RXDX101) is being tested simultaneously in multiple locally advanced or metastatic solid tumor types as a treatment for patients harboring fusions involving the NTRK1/2/3, ROS1, or ALK genes.


Figure. Entrectinib in Solid Tumors With NTRK1/2/3, ROS1, or ALK Gene Fusions

Additionally, investigators are allowing patients with CNS involvement, including leptomeningeal carcinomatosis, that is either asymptomatic or previously treated and controlled. This is because entrectinib has demonstrated active coverage of the CNS, according to Alexander Drilon, MD, a medical oncologist and principal investigator for STARTRK-2 at Memorial Sloan Kettering Cancer Center in New York, New York. One patient with SQSTM1-NTRK1-rearranged lung cancer achieved a complete CNS response, and entrectinib was identified as a CNS-penetrant drug.1
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