About this trial
The purpose of this study is to find out how much tratuzumab deruxtecan (T-DXd) can penetrate the tumor when injected into the body, and whether T-DXd may be an effective treatment for brain cancers that express the HER2 protein.
Eligibility criteria
Qualifiers
Adult patients ≥ 18 years of age with one or more brain tumors planned for neurosurgical resection/biopsy
Pathologically-documented glioblastoma; or
Her2+ defined as 3+ on IHC
Her2-low defined as IHC1+ or 2+ and ISH- according to ASCO-CAP 2018 Her2 testing guidelines52
Disqualifiers
Contraindication or history of allergic reaction to T-DXd
Significant comorbidities as per investigator evaluation
Inability to comply with protocol and/or unwilling or not available for follow up assessments or any condition which in the investigator's opinion makes the patient unsuitable for study participation
Ferrous or other contraindication to MR imaging
Trial design
Treatments tested in this trial
- Trastuzumab deruxtecan
Treatment groups
Sponsors and collaborators
Memorial Sloan Kettering Cancer Center
Lead sponsor
AstraZeneca
Collaborator