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International Journal of Radiation Research، جلد ۱۲، شماره ۱، صفحات ۳۳-۳۸
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| عنوان انگلیسی |
New drug in neoadjuvant chemoradiation for rectal cancer |
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| چکیده انگلیسی مقاله |
Background: In recent years, neoadjuvant chemoradiation and subsequent surgical resection with total mesorectal excision has been shown to increase local control with decreased toxicity. Neoadjuvant chemoradiotherapy is the standard treatment for locally advanced rectal cancer. In this study we evaluated the efficacy a cox-2 inhibitor on pathologic response, sphincter preservation and acute toxicity during neoadjuvant chemoradiation. Materials and Methods: Thirty-six patients with Adenocarcinoma of rectum (up to 15 cm of anal verge) was enrolled in this phase 2 study. Patients were undergone endorectal ultrasound, abdomino-pelvic and chest CT scan for staging. Then received neoadjuvant concurrent chemo radiation (capecitabine 825 mg/m2 bid in combination with celecoxib 100 mg qid and Radiotherapy “50-50.4Gy/25-28fraction”).Surgery was done 6-8 weeks after Chemoradiation. Acute complications were scored by common toxicity criteria 3.0 and tumor response was graded by tumor regression grade. Results: Of 36 patients, total mesorectal excision was done in 30 patients. Tumor regression grade was reported as:8 patients(26.7%) had grade 0 or complete response, 10 patients (33.3%) had grade 1 or moderate response,9 patients(30%) had grade 2 or minimal response and 3 patients (10%) had grade 3 or poor response. Tumor down staging was 43.3% and Node down staging was 30.8%.No patient had skin reaction or cardio-vascular toxicity. Conclusion: Results indicate celecoxib in combination with neoadjuvant chemoradiation is safe and associated with low toxicity. This combination can promote pathologic complete response, tumor regression grade and T and N down staging in rectal adenocarcinoma. |
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| نویسندگان مقاله |
m عقیلی | m. aghili
department of radiotherapy oncology, cancer institute, tehran university of medical sciences, tehran, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)
m بابایی | m. babaei
department of radiotherapy oncology, cancer institute, tehran university of medical sciences, tehran, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)
m گنجعلیخانی | m. ganjalikhani
tehran university of medical sciences, tehran, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)
f آزموده اردلان | f azmoodeh ardalan
department of central pathology, imam khomeini hospital, tehran university of medical sciences, tehran, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی تهران (Tehran university of medical sciences)
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| نشانی اینترنتی |
http://www.ijrr.com/browse.php?a_code=A-10-1-486&slc_lang=en&sid=en |
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| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
Radiation Biology |
| نوع مقاله منتشر شده |
تحقیق بدیع |
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