Neoadjuvant Triplet Chemotherapy Regimen in Patients With Locally Advanced Rectal Cancer

Aiping Zhou

Status and phase: Completed; Phase 2

Conditions: Locally Advanced Rectal Cancer

Treatments: Drug: FOLFOXIRI

Study type: Interventional

Funder types: Other

Identifiers

NCT03443661

CH-GI-086

Details and patient eligibility

About

This study aims to investigate the feasibility, safety and efficacy of triplet regimen of neoadjuvant chemotherapy in patients with locally advanced rectal cancer

Full description

In this pilot phase II study, the investigators enrolled Chinese adults(age 18 to 70 years) with locally advanced stage II/III rectal cancer. The neuadjuvant chemotherapy regimen is : oxaliplatin 85 mg/m2 and irinotecan 150 mg/m2, combined with 5FU 2,400 mg/m2 by 46 h infusion, repeated at 2week intervals for 5 cycles. Total mesorectal excision was scheduled 4-5 weeks after completion of neoadjuvant treatment and followed by a further 7 cycles of mFOLFOX or 4 cycles of XELOX. Primary outcome measures of this phase II trial were feasibility, safety, tolerance and efficacy of neoadjuvant treatment.

Enrollment: 50 patients

Sex: All

Ages: 18 to 70 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

1. Histologically confirmed locally advanced rectal cancer;
2. 18-70 years ；
3. Clinicalstage:T3,4a,N0,M0;T1-4a,N+,M0;
4. Tumor from anus >5cm and ≤15cm;
5. ECOG=0-1;
6. Available organ function:ALT≤1.5xULN;AST≤1.5xULN;TBIL≤1.0xULN; NEUT≥2×109/L;PLT≥100×109/L;Hb≥90g/L;Creatinine≤1.0xULN;
7. Informed consent;
8. UGT1A1:UGT1A1*1/UGT1A1*1,UGT1A1*1/UGT1A1*28,UGT1A1*1/UGT1A1*6;

Exclusion criteria

1. Clinical stage T4b or unresectable disease;
2. History of pelvic radiotherapy;
3. History of chemotherapy within 5 years;
4. History of chronic diarrhea;
5. Tumor causes intestinal obstruction, intestinal perforation, and severe bleeding;
6. Hepatitis B surface antigen positive; Hepatitis C virus infection; Cirrhosis of the liver for any cause;
7. UGT1A1:UGT1A1*28/UGT1A1*28,UGT1A1*6/UGT1A1*6;
8. Other cancers in the past 5 years, except for cervical carcinoma in situ or non-melanoma skin cancer;
9. Myocardial infarction (in the last 6 months), severe instability angina, congestive heart failure; interstitial pneumonia,pulmonary fibrosis, uncontrolled diabetes, renal insufficiency;
10. Mental illness;Pregnant or lactating women;

Trial design

Primary purpose: Treatment

Allocation: N/A

Interventional model: Single Group Assignment

Masking: None (Open label)

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50 participants in 1 patient group

FOLFOXIRI

Experimental group

Description:

oxaliplatin 85 mg/m2 irinotecan 150 mg/m2, 5FU 2,400 mg/m2 by 46 h infusion repeated at 2week intervals

Treatment:

Drug: FOLFOXIRI