MedPath

Preoperative S-1/OHP With Radiation Therapy for Low-lying Rectal Carcinoma in Neo-adjuvant Setting

Phase 1
Conditions
Rectal Carcinoma
Interventions
Radiation: Radiation
Registration Number
NCT01227239
Lead Sponsor
Japan Clinical Cancer Research Organization
Brief Summary

The purpose of this study is to assess the safety and efficacy of S-1 and oxaliplatin combined with radiation by Phase I/II study.

The purpose of this study is as follows,

* In phase I, to determine the dose limiting toxicities (DLTs) and the maximum tolerated dose (MTD).

* In phase II, to evaluate the antitumor effect (pCR rate) and the safety .

Detailed Description

Not available

Recruitment & Eligibility

Status
UNKNOWN
Sex
All
Target Recruitment
45
Inclusion Criteria
  1. Patients with confirmed locally advanced and non-metastatic rectal adenocarcinoma (clinical stage T3, anyN or T4, anyN)
  2. Possible to R0 resection
  3. Received no prior therapy
  4. Performance status (ECOG) 0-1
  5. Normal organ and marrow function.
  6. Sufficient oral intake
Exclusion Criteria
  1. History of serious allergic reaction
  2. Patients without serious complications such as sensory neurotoxicity or serious diarrhea (with watery stool).
  3. Female with pregnancy or lactation
  4. Have another malignancy in the past 5 years except early stage other cancer that cure by local treatment

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
1Radiation-
1S-1-
1Oxaliplatin-
Primary Outcome Measures
NameTimeMethod
Phase I: Determine the Recommended dose (RD)10 weeks

Based on the incidence of dose-limited toxicities(DLT), the RD is determined from 4 test levels

Phase II: pathological complete response rate12-16 week

Pathological complete response(pCR) rate is calculated by numbers of pCR cases (grade 3) devided the number of subjected cases.

Secondary Outcome Measures
NameTimeMethod
R0 resection rate12-16 weeks
down staging rate12-16 weeks
local reccurence rate3 years
desease free survuval3 years
safety16-20 weeks

Trial Locations

Locations (6)

Nagoya University Graduate School of Medicine

🇯🇵

Nagoya, Japan

Osaka Medical College

🇯🇵

Osaka, Japan

Tokyo University

🇯🇵

Tokyo, Japan

Jichi Medical University Hospital

🇯🇵

Tochigi, Japan

Teikyo University

🇯🇵

Tokyo, Japan

Cancer Institute Hospital

🇯🇵

Tokyo, Japan

© Copyright 2025. All Rights Reserved by MedPath