A Study of Trastuzumab DeRuxtecan for Patients With Advanced HER2-pOsitive GaStric or GastroesoPhageal Junction AdEnocarcinoma Who Have Received a PrIor Trastuzumab-based Regimen Accompanied by a Disease RegistrY of Patients Treated With Conventional Therapies (PROSPERITY)
Conditions
- HER2-positive Advanced Gastric Cancer
- HER2-positive Gastroesophageal Junction Adenocarcinoma
Interventions
- DRUG: Trastuzumab deruxtecan
Sponsor
Daiichi Sankyo Europe, GmbH, a Daiichi Sankyo Company