Status:

NOT_YET_RECRUITING

Simultaneous Boost in Neoadjuvant Radiotherapy for Rectal Cancer

Lead Sponsor:

Peking Union Medical College Hospital

Conditions:

Locally Advanced Rectal Adenocarcinoma

Eligibility:

All Genders

18-80 years

Phase:

PHASE2

Brief Summary

The goal of this clinical trial is to learn whether new adjuvant radiotherapy with gross tumor volume(GTV) escalated to 58.75 Gy can improve complete response (CR) rates compared with GTV dose of 50 G...

Eligibility Criteria

Inclusion

  • Age ≥18 and \<80 years
  • Histologically confirmed rectal adenocarcinoma
  • Tumor located within 10 cm from the anal verge
  • MRI staging: T3-T4 and/or N+, M0 (AJCC 8th edition)
  • ECOG performance status 0-2
  • Adequate bone marrow function: WBC ≥3×10⁹/L, ANC ≥1.5×10⁹/L, PLT ≥100×10⁹/L, Hb ≥90 g/L
  • Adequate liver function: TBIL ≤1.5 × ULN, ALT/AST ≤2.5 × ULN
  • Adequate renal function: Cr ≤1.5 × ULN or CCr ≥60 mL/min
  • Signed informed consent

Exclusion

  • Prior rectal cancer surgery
  • Prior induction chemotherapy, immunotherapy, or pelvic radiotherapy
  • History of other malignancies
  • History of chronic colitis, ulcerative colitis, or nonspecific proctitis
  • Pregnant or breastfeeding women
  • Active infection or fever
  • Severe uncontrolled comorbidities (e.g., unstable heart disease, renal disease, chronic hepatitis, uncontrolled diabetes, psychiatric disorders)
  • Inability to comply with study protocol

Key Trial Info

Start Date :

October 1 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 1 2028

Estimated Enrollment :

156 Patients enrolled

Trial Details

Trial ID

NCT07200141

Start Date

October 1 2025

End Date

December 1 2028

Last Update

September 30 2025

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