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A prospective, single-arm, exploratory clinical study on the combination of long-course chemoradiotherapy with PD1 monoclonal antibody and cetuximab for preoperative neoadjuvant therapy of locally advanced middle and low rectal cancer

A prospective, single-arm, exploratory clinical study on the combination of long-course chemoradiotherapy with PD1 monoclonal antibody and cetuximab for preoperative neoadjuvant therapy of locally advanced middle and low rectal cancer

Status
Active, not recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2500105882
Enrollment
Unknown
Registered
2025-07-14
Start date
2025-07-31
Completion date
Unknown
Last updated
2025-07-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Rectal cancer

Interventions

Treatment group:Oxaliplatin 130mg/m^2 d1 + capecitabine 1000mg/m^2 bid D1-14 + PD-1 monoclonal antibody (toripalimab) 240mg d1 + cetuximab 500mg/m^2, repeated every 3 weeks.

Sponsors

The First Hospital of Jilin University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Age: 18 to 70 years old, gender not limited. 2. Pathologically confirmed as rectal adenocarcinoma. 3. Distance from the anus =70. 7. No chemotherapy or any other anti-tumor treatment was received before inclusion. 8. No prior immunotherapy was received before selection. 9. Be able to abide by the plan during the research period. 10. Sign a written informed consent.

Exclusion criteria

Exclusion criteria: 1. Pregnant or lactating women 2. Those with a history of other malignant diseases in the last five years, except for cured skin cancer and cervical carcinoma in situ 3. For patients with a history of uncontrolled epilepsy, central nervous system diseases or mental disorders, the researcher will determine that the clinical severity may prevent them from signing the informed consent form or affect their compliance with oral medication 4. Clinically severe (i.e., active) heart disease, such as symptomatic coronary heart disease, New York Heart Association (NYHA) grade II or more severe congestive heart failure, or severe arrhythmia requiring drug intervention, or a history of myocardial infarction within the last 12 months 5. Those who need immunosuppressive therapy for organ transplantation and those who have been using hormone therapy for a long time 6. Patients with autoimmune diseases 7. Severe uncontrolled recurrent infections, or other severe uncontrolled concomitant diseases 8. The baseline blood routine and biochemical indicators of the subjects did not meet the following criteria: hemoglobin >=90g/L; The absolute neutrophil count (ANC) is >=1.5×10^9/L; Platelet count >=100×10^9/L; ALT and AST=2.5 times the normal upper limit value; ALP =30g/L 10. Those who are allergic to any component of the research drug

Design outcomes

Primary

MeasureTime frame
Complete remission rate;

Secondary

MeasureTime frame
Rate of anal preservation;2-year progression free survival rate;2-year local recurrence free survival rate;2-year overall survival rate;Overall survival;

Countries

China

Contacts

Public ContactJiang Xin

The First Hospital of Jilin University

jiangx@jlu.edu.cn+86 158 0430 2750

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026