Geneva, Sept. 21 -- International Clinical Trials Registry received information related to the study (DRKS00041552) titled 'Retrospective Evaluation of the Clinical Course and Its Correlation with Biomarkers in Patients with Esophageal and Gastric Cancer' on Sept. 8.

Study Type: observational

Study Design: Allocation: Masking: Control: Assignment: Study design purpose: diagnostic

Primary Sponsor: Universitatsklinikum Heidelberg

Condition: C15 C16 Malignant neoplasm of oesophagus Malignant neoplasm of stomach

Intervention: Group 1: Evaluation of systemic therapy efficacy in defined patient cohorts based on radiological response, progression-free/disease-free survival, and overall survival, with correlation to histopathological and...