Hillhurst Biopharmaceuticals Receives Study May Proceed Letter From US FDA to Initiate Phase 1 Clinical Trial of HBI-002 SAN DIEGO, CA (April 23, 2021) Hillhurst Biopharmaceuticals, Inc. ... Hillhurst Biopharmaceuticals Receives Study May Proceed Letter From US FDA to Initiate Phase 1 Clinical Trial of HBI-002hillhurstbio2021-09-28T02:47:40+00:00