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Ikena Oncology, Inc. and Pionyr Immunotherapeutics, Inc. announced the closing of Ikena’s acquisition of Pionyr in an all-stock transaction.

Pionyr Immunotherapeutics, Inc., a company developing first-in-class Myeloid TuningTM antibody therapeutics that enhance the body’s anti-tumor immunity by altering, or “tuning,” immune cells within the tumor microenvironment, announced that Pionyr and Gilead Sciences, Inc. have mutually agreed to change their 2020 exclusive option agreements.

Pionyr Immunotherapeutics, Inc. announced that PY159, a monoclonal antibody targeting TREM1, was well-tolerated with signals of durable therapeutic activity in a Phase 1a dose-escalation study as a single agent and in combination with pembrolizumab.

Pionyr Immunotherapeutics, Inc. will present pre-clinical data showing the potential for its PY265 program to treat solid tumors, as a single agent and in combination with checkpoint inhibitor (CPI) therapy.