U.S., July 24 -- ClinicalTrials.gov registry received information related to the study (NCT07722819) titled 'ESCC Molecular Subtypes Based on Multidimensional Features of p53 and Their Clinical Significance' on July 19.
Brief Summary: Collect 300 esophageal cancer tissue specimens, including cancer tissue and serum, from a biological sample bank. Collect clinical information on esophageal cancer, including gender, age, time of diagnosis, time of death, treatment information, TNM staging, tumor size, location, etc. DNA sequencing was performed on 300 collected esophageal cancer samples, divided into mutant and wild-type types. Perform immunohistochemistry on tissue slices and observe the expression of P53 mutant protein. ELISA was used to s...