Overview A Study of DS-1103a Combination Therapy in Participants With Advanced Solid Tumors Status: Not yet recruiting Trial end date: 2026-06-30 Target enrollment: Participant gender: Summary This study will evaluate the safety and efficacy of DS-1103a combination therapy in patients with advanced solid tumors. Phase: Phase 1 Details Lead Sponsor: Daiichi Sankyo, Inc.Collaborator: AstraZenecaTreatments: Trastuzumab