The PRELUDE Study: A Prospective Cohort Study Comparing Neoadjuvant Radiotherapy Followed by Total Mesorectal Excision Versus Upfront Surgery in Patients with Locally Advanced Proximal Rectal Cancer The PRELUDE Study is a single-center, prospective cohort study designed to compare neoadjuvant radiotherapy followed by total mesorectal excision (TME) with upfront surgery alone in patients with locally advanced proximal rectal cancer. The primary endpoint is the rate of local recurrence. Secondary endpoints include overall survival, disease-free survival, and functional outcomes related to bowel, urinary, and sexual function. The aim of this study is to determine whether neoadjuvant radiotherapy reduces the risk of local recurrence and improves long-term oncological and functional outcomes in this anatomically distinct subgroup of patients with rectal cancer.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
100
Neoadjuvant Radiotherapy
Upfront Surgery
İstanbul Univercity Faculty of Medicine
Istanbul, Turkey (Türkiye)
RECRUITINGLocally Recurrance
Time frame: The first five years after enrollment.
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