halo 303Halo Studios (formerly 343 Industries) is an American video game developer based in Redmond, Washington, part of Xbox Game Studios.Headed by Pierre Hintze, the studio is responsibleHere, we discuss these findings, and the rationale for the ongoing randomized Phase III trial (HALO-109-301), which seeks to definitively define the efficacy of PEGylated rHuPH20