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Neoadjuvant Radiotherapy for Rectal Adenocarcinoma With Capecitabine Versus TAS-102 (Neo-REACT): A Multi-center, Randomized, Phase III Trial
Sponsor: Shandong Cancer Hospital and Institute
Summary
Neoadjuvant fluoropyrimidine-based chemoradiotherapy followed by total mesorectal excision (TME) is the standard of care for locally advanced rectal cancer (LARC); however, pathologic complete response (pCR) rates are low. Trifluridine/tipiracil (TAS-102) is a new oral anti-tumor oral formulation of nucleoside analogue, trifluridine (FTD), and a thymidine phosphorylase inhibitor, tipiracil (TPI). Previous studies have shown that TAS-102 has shown clinically relevant activity after fluoropyrimidine failure in colorectal cancer and may thus be of increased efficacy compared with current standard capecitabine chemoradiation. Also, a phase 2 trials conducted by our team have demonstrated that neoaduvant TAS-102 concurrent with long-course radiotherapy could lead to a high pCR rate of 32% with acceptable toxicity for LARC patients. Herein, we will conduct this multicenter, randomized controlled, phase III trial to explore the safety and efficacy benefit of TAS-102 concurrent with long-course radiotherapy for LARC.
Key Details
Gender
All
Age Range
18 Years - 75 Years
Study Type
INTERVENTIONAL
Enrollment
210
Start Date
2025-07-30
Completion Date
2028-06
Last Updated
2026-10-15
Healthy Volunteers
No
Conditions
Interventions
TAS-102
Radiotherapy: 1. Radiotherapy Technique: Three-dimensional conformal radiotherapy (3D-CRT), intensity-modulated radiotherapy (IMRT), or volume modulated arc therapy (VMAT); 2. Radiotherapy Dose and Fractionation Schedule: Conventional fractionation with external beam irradiation at a dose of 50 Gy delivered in 25 fractions over 5 weeks. Synchronous Chemotherapy: Concurrent administration of TAS-102 at a dose of 35 mg/m² twice daily at the 1st, 3rd and 5th week of radiotherapy. Intermittent Consolidation Chemotherapy: Oxaliplatin at 85 mg/m² on day 1 combined with TAS-102 at 35 mg/m² twice daily from day 1 to day 5, repeated every 14 days for a total of 9 cycles. Surgery: The operation follows the principle of TME. The type of surgery depends on the location and extent of the primary tumor.
Capecitabine
Radiotherapy: 1. Radiotherapy Technique: Three-dimensional conformal radiotherapy (3D-CRT), intensity-modulated radiotherapy (IMRT), or volume modulated arc therapy (VMAT); 2. Radiotherapy Dose and Fractionation Schedule: Conventional fractionation with external beam irradiation at a dose of 50 Gy delivered in 25 fractions over 5 weeks. Synchronous Chemotherapy: Capecitabine administered orally at a dose of 825 mg/m² twice daily on days of radiotherapy. Intermittent Consolidation Chemotherapy: Oxaliplatin at 130 mg/m² on day 1 combined with capecitabine at 1000 mg/m² twice daily from day 1 to day 14, repeated every 21 days for a total of 6 cycles. Surgery: The operation follows the principle of TME. The type of surgery depends on the location and extent of the primary tumor.
Locations (1)
Shandong Cancer Hospital and Institute
Jinan, Shandong, China