Tango Therapeutics, Inc (TNGX) Discontinues TNG348 Program

Tango Therapeutics, Inc. (NASDAQ: TNGX), a clinical-stage biotechnology company committed to discovering and delivering the next generation of precision cancer medicines, today announced that it will discontinue development of its TNG348 program.

“Patient safety is always our first priority and based on emerging data from the TNG348 dose escalation study, we have made the decision to discontinue further development of this molecule due to liver toxicity experienced by patients in the trial. While disappointing, we believe this is the right decision given the data at hand,” said Barbara Weber, M.D., President and Chief Executive Officer of Tango Therapeutics. “We will focus resources and capital on our existing portfolio, particularly our PRMT5 program. We remain committed to and confident in our ability to deliver a comprehensive clinical update on TNG908 and TNG462 in the second half of this year.”

TNG348 was being studied in a phase 1/2 clinical trial evaluating safety, pharmacokinetics, pharmacodynamics and efficacy as a single agent and in combination with olaparib, a PARP inhibitor, in patients with BRCA1/2-mutant and other HRD+ (homologous recombination deficient) cancers. Grade 3/4 liver function abnormalities were observed in patients remaining on study longer than eight weeks, leading to the decision to terminate the program. No patient had yet received a combination of TNG348 and olaparib.

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