Ideaya Biosciences Inc. has announced FDA clearance of an IND for a GSK-sponsored phase I/II trial of GSK-101 (IDE-705), a small-molecule inhibitor of Polϴ helicase, in combination with GSK's PARP inhibitor niraparib tosylate monohydrate for the treatment of tumors with BRCA or other homologous recombination mutations or homologous recombination deficiency.