IMRT-SIB and Capecitabine in Preoperative Rectal Cancer Treatment

  • STATUS
    Recruiting
  • participants needed
    50
  • sponsor
    Institute of Oncology Ljubljana
Updated on 8 November 2020
platelet count
renal function
cancer
capecitabine
primary tumor
rectal carcinoma
adenocarcinoma
adenocarcinoma of rectum

Summary

RATIONALE: Using small radiation beamlets of different intensity, IMRT (intensity modulated radiation therapy) allows shaping the dose around planning target volume with better sparing of normal tissue comparing to 3D conformal radiotherapy. It allows daily delivery of higher dose to the tumor with simultaneous integrated boost (SIB), consequently shortening total treatment time with potentially better response to treatment. In advanced rectal adenocarcinoma excellent response to preoperative radiochemotherapy with complete eradication of the primary tumor observed in the histopathological specimen (pathological complete response, pCR) correlates with a favorable overall prognosis, so trying to achieve better response to preoperative treatment with higher pCR seams feasible.

PURPOSE:The hypothesis of this study is that in preoperative radiochemotherapy for locally advanced rectal adenocarcinoma shortening of the total treatment time with IMRT-SIB to 22 daily fractions concomitant with capecitabine results in an improved pCR rate from 9% (Slovenian trial) to 25%. Secondary objectives are to evaluate pathological down-staging rate, histopathological R0 resection rate, sphincter preservation rate, perioperative surgical complication rate, local control, disease-free survival (DFS), overall survival (OS), late toxicity and quality of life.

Details
Condition Rectal Cancer
Treatment Capecitabine, Surgery, IMRT-SIB
Clinical Study IdentifierNCT02268006
SponsorInstitute of Oncology Ljubljana
Last Modified on8 November 2020

Eligibility

Yes No Not Sure

Inclusion Criteria

Is your age between 18 yrs and 90 yrs?
Gender: Male or Female
Do you have Rectal Cancer?
Biopsy-proven newly diagnosed primary rectal adenocarcinoma
Locally advanced tumor fulfilling at least one of the following criteria on pelvic
MRI
T 3 or
N 1
Positive mesorectal fascia (MRF), i.e. tumor or lymph node one mm or less from the mesorectal fascia
Tumor located od 0 - 15 cm above anocutaneous junction or below peritoneum
Age 18 years and more
Signed informed consent
WHO Performance Status 0-2
Patients is considered to be mentally and physically ft for chemotherapy as judged by oncologist
Adequate hematological, hepatic and renal function (WBC 3.0 x 109/L, neu 1.5 x 109/L, platelet count 100 x 109/L, renal clearance 50 ml/min, bilirubin 3x normal value, aspartate transaminase/alanine transaminase (AST/ALT) 2,5x normal value)

Exclusion Criteria

T4 inoperable tumor - extensive growth into cranial part of the sacrum (above S3) or the lumbosacral nerve roots
Metastatic or recurrent rectal cancer
Other co-existing malignancy or malignancy within the past 5 years, with the exception of adequately treated in situ carcinoma of the cervix or basal cell carcinoma of the skin
Chronic bowel inflammatory disease
Pregnant or lactating patient
Significant heart disease (uncontrolled hypertension despite of medication (> 150/100 mmHg), New York Heart Association (NYHA) class III or IV heart disease,unstable angina or myocardial infarction within the past 1 year prior the study entry, history of significant ventricular arrhythmia requiring treatment)
Inability to consciously sign the consent form due to physical or psychological disabilities
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