U.S., April 24 -- ClinicalTrials.gov registry received information related to the study (NCT06940778) titled 'LIQUID BIOPSY FOCUSING ON CIRCULATING TUMOR CELLS (CTCS) AND CIRCULATING TUMOR DNA (CTDNA) AS A PRECISION MEDICINE TOOL IN GASTROINTESTINAL TUMORS' on April 07.

Brief Summary: This is a prospective, observational, multicenter cohort study. Our main objective is to to evaluate the use of CTCs and ctDNA with prognostic factors in locally advanced rectal tumors treated with total neoadjuvant therapy (TNT), recently adopted as clinical practice, and to analyze the functionality of CTCs and ctDNA in the follow-up of locally advanced and metastatic pancreatic and gastric tumors.

Secondary objectives:

* To verify the influence of CTC an...