HER2 and LA/mUC: A Multi-country Chart Review Cohort Study

Inclusion Criteria:

* Histologically confirmed UC originating from the renal pelvis, ureters, bladder, or urethra. Mixed-cell type tumors are eligible as long as urothelial cell carcinoma is the predominant cell type.
* Locally advanced unresectable or metastatic stage disease
* Formalin fixed paraffin embedded (FFPE) tumor tissue blocks (or freshly sectioned slides, see laboratory manual for details) available for HER2 testing.
* At least 1 prior line of systemic therapy for locally advanced unresectable or metastatic urothelial carcinoma (LA/mUC), including 1 line of platinum-containing chemotherapy.
* Initiation of anticancer therapy for UC after prior progression on platinum-based therapy with or without maintenance avelumab between 01 January 2019 and 12 months before the end of data collection
* Radiographically documented and measurable disease progression immediately before index date

Exclusion Criteria:

* Any concurrent malignant neoplasm requiring systemic therapy during the study window
* Enrollment in a therapeutic clinical trial and received non-standard of care treatment during index line of therapy