Perioperative Treatment With TAS-102 in Combination With Oxaliplatin for Locally Advanced Rectal Cancer

NCT ID: NCT07090031

Last Updated: 2025-07-29

Basic Information

• Recruitment Status: ACTIVE_NOT_RECRUITING
• Clinical Phase: PHASE2
• Total Enrollment: 49 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2025-07-01
• Study Completion Date: 2028-05-01

Brief Summary

5-Fluorouracil (5-FU) based chemoradiotherapy is regarded a standard perioperative treatment in locally advanced rectal cancer, but the effective rate still low. We investigate oral TAS-102 plus oxaliplatin concurrent radiotherapy for stage II or III local advanced rectal cancer.

Conditions

EFS; pCR Rate

Study Design

• Allocation Method: NA
• Intervention Model: SINGLE_GROUP
• Primary Study Purpose: TREATMENT
• Blinding Strategy: NONE

Study Groups

TAS-102 in combination with oxaliplatin and concurrent radiotherapy

Group Type: EXPERIMENTAL

TAS-102 in combination with oxaliplatin

Intervention Type: DRUG

Induction : TAS102 35mg/m2, twice a day for 5 days, on 1st, 3rd, 5th week; Oxliplatin 85mg/m2 on 1st and 2nd week; Rectal radiotherapy 50GY/25f in 5 weeks. 2 weeks no treatment.

Consolidation: TAS102 35mg/m2, twice a day for 5 days, every 2 weeks, Oxliplatin 85 mg/m2, every 2 weeks a cycle, for total 3 cycles. 4 weeks no treatment.

Surgery Adjuvant chemotherapy: TAS102 35mg/m2, twice a day for 5 days, every 2 weeks, Oxliplatin 85 mg/m2, every 2 weeks a cycle, for total 16 cycles.

Interventions

TAS-102 in combination with oxaliplatin

Induction : TAS102 35mg/m2, twice a day for 5 days, on 1st, 3rd, 5th week; Oxliplatin 85mg/m2 on 1st and 2nd week; Rectal radiotherapy 50GY/25f in 5 weeks. 2 weeks no treatment.

Consolidation: TAS102 35mg/m2, twice a day for 5 days, every 2 weeks, Oxliplatin 85 mg/m2, every 2 weeks a cycle, for total 3 cycles. 4 weeks no treatment.

Surgery Adjuvant chemotherapy: TAS102 35mg/m2, twice a day for 5 days, every 2 weeks, Oxliplatin 85 mg/m2, every 2 weeks a cycle, for total 16 cycles.

Intervention Type: DRUG

Eligibility Criteria

Inclusion Criteria

• Eligible patients are 18 years or older and have histologically confirmed adenocarcinoma of the rectum (defined as the distal border of the tumour less than 16 cm from the anal verge measured by rigid rectoscopy) with no evidence of distant metastases (identified by abdominal ultrasound or CT scan and chest radiography).

• Patients in the adjuvant cohort have undergone R0-resection by total mesorectal excision (TME) of a pT3-4 N any or T any N positive non-metastatic rectal cancer.
• Patients treated in the neoadjuvant cohort need to have a clinical T3-4 N any or T any N positive tumour staged by endoscopic ultrasound, provided the lower border of the tumour is located 0 - 16 cm from the anal verge measured by rigid rectoscopy and the primary tumour is deemed resectable by TME surgery on the basis of clinical assessment. Other eligibility criteria comprise: WHO status of zero or one; adequate liver, renal, and bone marrow function defined as follows: leucocyte count > 3,500/µl, thrombocyte count > 100,000/µl, hemoglobin > 10.0 g/dl; serum bilirubin < 2.0 mg/dl, serum creatinine < 2.0 mg/dl.

Exclusion Criteria

• Prior treatment for rectal cancer, prior chemo- or immunotherapy, prior pelvic radiotherapy, or a history of other malignant diseases within the past five years with the exception of successfully treated basal carcinoma of the skin or carcinoma in situ of the uterine cervix.

• Minimum Eligible Age: 18 Years
• Maximum Eligible Age: 80 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: No

Sponsors

Qingdao Central Hospital

OTHER

Sponsor Role: lead

Responsible Party

Youxin Ji

director

Responsibility Role: PRINCIPAL_INVESTIGATOR

Locations

Qingdao Central Hospital

Qingdao, , China

Countries

China

Other Identifiers

KY202502802

Identifier Type: -

Identifier Source: org_study_id