NEWARK, Calif., Nov. 04, 2022 (GLOBE NEWSWIRE) -- Rain Therapeutics Inc. (NasdaqGS: RAIN), (Rain), a late-stage biotechnology company developing precision oncology therapeutics with a lead clinical candidate, milademetan, an oral, small molecule inhibitor of the MDM2-p53 complex that reactivates p53, today announced preliminary data in the multicenter, single arm, open-label, Phase 2 basket trial evaluating milademetan, an oral mouse double minute 2 (MDM2) inhibitor, for the treatment of MDM2-