About this trial
This study will evaluate the safety and efficacy of DS-1103a combination therapy in participants with advanced solid tumors.
Eligibility criteria
Qualifiers
Sign and date the informed consent form (ICF), prior to the start of any study-specific qualification procedures
Adults ≥18 years of age at the time the ICF is signed (please follow local regulatory requirements if the legal age of consent for study participation is >18 years old)
Pathologically documented HER2-expressing or HER2-mutated (activating mutation) solid tumor that is unresectable or metastatic
Is willing and able to provide tumor tissue
Disqualifiers
Has had prior treatment with an anti-CD47 or anti-signal regulatory protein α (SIRPα) therapy.
Has an inadequate treatment washout period prior to start of study treatment as specified in the protocol
Medical history of myocardial infarction (MI) within 6 months before study enrollment, symptomatic congestive heart failure (CHF) (New York Heart Association [NYHA] Class II to IV
Has a QT interval corrected with Fridericia's formula (QTcF) prolongation to >470 ms (females) or >450 ms (males) based on average of the screening triplicate 12-lead electrocardiogram (ECG)
Trial design
Treatments tested in this trial
- DS-1103a
- T-DXd
Treatment groups
Sponsors and collaborators
Daiichi Sankyo
Lead sponsor
AstraZeneca
Collaborator