Sonnet BioTherapeutics Holdings, Inc. announced that the SB221 study of SON-1010 (recombinant human Interleukin-12 linked to Sonnet's fully-human albumin binding domain or IL12-FHAB) dosed in combination with atezolizumab (Tecentriq) will be presented as a 'Trial in Progress' poster at ASCO 2024. Study SB221 (NCT05756907) is a Phase 1b/2a multicenter, dose-escalation, and proof-of-concept clinical study to assess the safety, tolerability, PK, PD, and efficacy of SON-1010 administered SC, either alone or in combination with a fixed dose of atezolizumab given IV. The work will be presented in a poster session at the upcoming American Society of Clinical Oncology Annual Meeting 2024, to be held May 31 to June 4 in Chicago, Illinois.