Pionyr Immunotherapeutics and Gilead Change Exclusive Option Agreement

SOUTH SAN FRANCISCO, Calif.–(BUSINESS WIRE)–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, today announced that Pionyr and Gilead Sciences, Inc. (Nasdaq: GILD) have mutually agreed to change their 2020 exclusive option…