PHASE 2 MULTICENTER RANDOMIZED CLINICAL TRIAL: NEOADJUVANT CHEMORADIOTHERAPY FOLLOWED BY D2 GASTRECTOMY AND ADJUVANT CHEMOTHERAPY IN PATIENTS WITH LOCALLY ADVANCED GASTRIC CANCER
Introduction. Stomach cancer remains one of the most common malignancies with an unfavorable prognosis. It is the 5-th most frequent cancer and the 3rd leading cause of cancer death worldwide and in Russia as well. Combined modality treatment including radical surgery and perioperative / adjuvant th...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
V. Yu. Skoropad [verfasserIn] S. G. Afanasyev [verfasserIn] S. V. Gamayunov [verfasserIn] N. K. Silanteva [verfasserIn] T. A. Agababyan [verfasserIn] P. V. Sokolov [verfasserIn] S. A. Ivanov [verfasserIn] A. D. Kaprin [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Russisch |
| Erschienen: |
2020 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
In: Сибирский онкологический журнал - Russian Academy of Sciences, Tomsk National Research Medical Center, 2017, 19(2020), 1, Seite 5-14 |
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| Übergeordnetes Werk: |
volume:19 ; year:2020 ; number:1 ; pages:5-14 |
| Links: |
Link aufrufen |
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| DOI / URN: |
10.21294/1814-4861-2020-19-1-5-14 |
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| Katalog-ID: |
DOAJ029954266 |
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| 520 | |a Introduction. Stomach cancer remains one of the most common malignancies with an unfavorable prognosis. It is the 5-th most frequent cancer and the 3rd leading cause of cancer death worldwide and in Russia as well. Combined modality treatment including radical surgery and perioperative / adjuvant therapy is the current therapeutic strategy for locally advanced gastric cancer. New approaches to combined modality treatment including neoadjuvant chemoradiotherapy for locally advanced gastric cancer were developed at A. Tsyb Medical Radiological Research Center (Obninsk, Russia) and tested in a phase 2 randomized clinical trial. The results obtained showed the safety and high efficiency of the method. To objectify the results, a multicenter randomized trial was initiated in 2016. the main objective of the study was to assess the immediate efficacy and safety of neoadjuvant chemoradiotherapy using pathological response criteria and to evaluate the frequency/severity of toxic reactions and postoperative complications. Additional objectives of the study were to assess the accuracy of preoperative staging of gastric cancer; tumor regression grade of the primary tumor and regional lymph node metastases according to CT findings; treatment outcomes according to the criteria of frequency and time to recurrence/metastasis; 1-, 2 -, and 3-year survival rates. Material and methods. The study included 70 patients with equal distribution between the treatment groups. There were more males than women; the median age was 62 years. The main criterion for inclusion of patients into the study was morphologically confirmed gastric cancer of сT2–4N1–3, сT3–4N0–3; сМ0, IIA-IIIC stages. Patients of the first (investigated) group were treated with neoadjuvant chemoradiotherapy (total dose of 46 Gy in 23 fractions and chemotherapy with capecitabine and oxaliplatin) followed by surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) and 4 cycles of adjuvant chemotherapy. Patients of the second (control) group underwent surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) followed by 6 cycles of adjuvant chemotherapy. Results. The tumor was localized in the middle and lower thirds of the stomach in most cases. There were mostly low-grade adenocarcinomas (47 patients). None of the patients showed the presence of distant metastases; 2B and 3 clinical tumor stages were mostly observed. The comparison of clinical and pathomorphological stages in the control (surgical) group showed that a comprehensive examination, including CT and laparoscopy, allowed the correct assessment of the tumor stage and formation of the control group according to the main inclusion criteria in more than 90 % of patients. Comparison of patients between the study and control groups showed that they were well balanced on the main prognostically important factors. The differences between all parameters were not statistically significant (p>0.05). | ||
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10.21294/1814-4861-2020-19-1-5-14 doi (DE-627)DOAJ029954266 (DE-599)DOAJcf0f8b643d404e82b34885bf2cf6a2ed DE-627 ger DE-627 rakwb rus RC254-282 V. Yu. Skoropad verfasserin aut PHASE 2 MULTICENTER RANDOMIZED CLINICAL TRIAL: NEOADJUVANT CHEMORADIOTHERAPY FOLLOWED BY D2 GASTRECTOMY AND ADJUVANT CHEMOTHERAPY IN PATIENTS WITH LOCALLY ADVANCED GASTRIC CANCER 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction. Stomach cancer remains one of the most common malignancies with an unfavorable prognosis. It is the 5-th most frequent cancer and the 3rd leading cause of cancer death worldwide and in Russia as well. Combined modality treatment including radical surgery and perioperative / adjuvant therapy is the current therapeutic strategy for locally advanced gastric cancer. New approaches to combined modality treatment including neoadjuvant chemoradiotherapy for locally advanced gastric cancer were developed at A. Tsyb Medical Radiological Research Center (Obninsk, Russia) and tested in a phase 2 randomized clinical trial. The results obtained showed the safety and high efficiency of the method. To objectify the results, a multicenter randomized trial was initiated in 2016. the main objective of the study was to assess the immediate efficacy and safety of neoadjuvant chemoradiotherapy using pathological response criteria and to evaluate the frequency/severity of toxic reactions and postoperative complications. Additional objectives of the study were to assess the accuracy of preoperative staging of gastric cancer; tumor regression grade of the primary tumor and regional lymph node metastases according to CT findings; treatment outcomes according to the criteria of frequency and time to recurrence/metastasis; 1-, 2 -, and 3-year survival rates. Material and methods. The study included 70 patients with equal distribution between the treatment groups. There were more males than women; the median age was 62 years. The main criterion for inclusion of patients into the study was morphologically confirmed gastric cancer of сT2–4N1–3, сT3–4N0–3; сМ0, IIA-IIIC stages. Patients of the first (investigated) group were treated with neoadjuvant chemoradiotherapy (total dose of 46 Gy in 23 fractions and chemotherapy with capecitabine and oxaliplatin) followed by surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) and 4 cycles of adjuvant chemotherapy. Patients of the second (control) group underwent surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) followed by 6 cycles of adjuvant chemotherapy. Results. The tumor was localized in the middle and lower thirds of the stomach in most cases. There were mostly low-grade adenocarcinomas (47 patients). None of the patients showed the presence of distant metastases; 2B and 3 clinical tumor stages were mostly observed. The comparison of clinical and pathomorphological stages in the control (surgical) group showed that a comprehensive examination, including CT and laparoscopy, allowed the correct assessment of the tumor stage and formation of the control group according to the main inclusion criteria in more than 90 % of patients. Comparison of patients between the study and control groups showed that they were well balanced on the main prognostically important factors. The differences between all parameters were not statistically significant (p>0.05). рак желудка неоадъювантная химиолучевая терапия гастрэктомия d2 адъювантная химиотерапия многоцентровое рандомизированное исследование Neoplasms. Tumors. Oncology. Including cancer and carcinogens S. G. Afanasyev verfasserin aut S. V. Gamayunov verfasserin aut N. K. Silanteva verfasserin aut T. A. Agababyan verfasserin aut P. V. Sokolov verfasserin aut S. A. Ivanov verfasserin aut A. D. Kaprin verfasserin aut In Сибирский онкологический журнал Russian Academy of Sciences, Tomsk National Research Medical Center, 2017 19(2020), 1, Seite 5-14 (DE-627)731335074 (DE-600)2693095-X 23123168 nnns volume:19 year:2020 number:1 pages:5-14 https://doi.org/10.21294/1814-4861-2020-19-1-5-14 kostenfrei https://doaj.org/article/cf0f8b643d404e82b34885bf2cf6a2ed kostenfrei https://www.siboncoj.ru/jour/article/view/1316 kostenfrei https://doaj.org/toc/1814-4861 Journal toc kostenfrei https://doaj.org/toc/2312-3168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2020 1 5-14 |
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10.21294/1814-4861-2020-19-1-5-14 doi (DE-627)DOAJ029954266 (DE-599)DOAJcf0f8b643d404e82b34885bf2cf6a2ed DE-627 ger DE-627 rakwb rus RC254-282 V. Yu. Skoropad verfasserin aut PHASE 2 MULTICENTER RANDOMIZED CLINICAL TRIAL: NEOADJUVANT CHEMORADIOTHERAPY FOLLOWED BY D2 GASTRECTOMY AND ADJUVANT CHEMOTHERAPY IN PATIENTS WITH LOCALLY ADVANCED GASTRIC CANCER 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction. Stomach cancer remains one of the most common malignancies with an unfavorable prognosis. It is the 5-th most frequent cancer and the 3rd leading cause of cancer death worldwide and in Russia as well. Combined modality treatment including radical surgery and perioperative / adjuvant therapy is the current therapeutic strategy for locally advanced gastric cancer. New approaches to combined modality treatment including neoadjuvant chemoradiotherapy for locally advanced gastric cancer were developed at A. Tsyb Medical Radiological Research Center (Obninsk, Russia) and tested in a phase 2 randomized clinical trial. The results obtained showed the safety and high efficiency of the method. To objectify the results, a multicenter randomized trial was initiated in 2016. the main objective of the study was to assess the immediate efficacy and safety of neoadjuvant chemoradiotherapy using pathological response criteria and to evaluate the frequency/severity of toxic reactions and postoperative complications. Additional objectives of the study were to assess the accuracy of preoperative staging of gastric cancer; tumor regression grade of the primary tumor and regional lymph node metastases according to CT findings; treatment outcomes according to the criteria of frequency and time to recurrence/metastasis; 1-, 2 -, and 3-year survival rates. Material and methods. The study included 70 patients with equal distribution between the treatment groups. There were more males than women; the median age was 62 years. The main criterion for inclusion of patients into the study was morphologically confirmed gastric cancer of сT2–4N1–3, сT3–4N0–3; сМ0, IIA-IIIC stages. Patients of the first (investigated) group were treated with neoadjuvant chemoradiotherapy (total dose of 46 Gy in 23 fractions and chemotherapy with capecitabine and oxaliplatin) followed by surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) and 4 cycles of adjuvant chemotherapy. Patients of the second (control) group underwent surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) followed by 6 cycles of adjuvant chemotherapy. Results. The tumor was localized in the middle and lower thirds of the stomach in most cases. There were mostly low-grade adenocarcinomas (47 patients). None of the patients showed the presence of distant metastases; 2B and 3 clinical tumor stages were mostly observed. The comparison of clinical and pathomorphological stages in the control (surgical) group showed that a comprehensive examination, including CT and laparoscopy, allowed the correct assessment of the tumor stage and formation of the control group according to the main inclusion criteria in more than 90 % of patients. Comparison of patients between the study and control groups showed that they were well balanced on the main prognostically important factors. The differences between all parameters were not statistically significant (p>0.05). рак желудка неоадъювантная химиолучевая терапия гастрэктомия d2 адъювантная химиотерапия многоцентровое рандомизированное исследование Neoplasms. Tumors. Oncology. Including cancer and carcinogens S. G. Afanasyev verfasserin aut S. V. Gamayunov verfasserin aut N. K. Silanteva verfasserin aut T. A. Agababyan verfasserin aut P. V. Sokolov verfasserin aut S. A. Ivanov verfasserin aut A. D. Kaprin verfasserin aut In Сибирский онкологический журнал Russian Academy of Sciences, Tomsk National Research Medical Center, 2017 19(2020), 1, Seite 5-14 (DE-627)731335074 (DE-600)2693095-X 23123168 nnns volume:19 year:2020 number:1 pages:5-14 https://doi.org/10.21294/1814-4861-2020-19-1-5-14 kostenfrei https://doaj.org/article/cf0f8b643d404e82b34885bf2cf6a2ed kostenfrei https://www.siboncoj.ru/jour/article/view/1316 kostenfrei https://doaj.org/toc/1814-4861 Journal toc kostenfrei https://doaj.org/toc/2312-3168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2020 1 5-14 |
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10.21294/1814-4861-2020-19-1-5-14 doi (DE-627)DOAJ029954266 (DE-599)DOAJcf0f8b643d404e82b34885bf2cf6a2ed DE-627 ger DE-627 rakwb rus RC254-282 V. Yu. Skoropad verfasserin aut PHASE 2 MULTICENTER RANDOMIZED CLINICAL TRIAL: NEOADJUVANT CHEMORADIOTHERAPY FOLLOWED BY D2 GASTRECTOMY AND ADJUVANT CHEMOTHERAPY IN PATIENTS WITH LOCALLY ADVANCED GASTRIC CANCER 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction. Stomach cancer remains one of the most common malignancies with an unfavorable prognosis. It is the 5-th most frequent cancer and the 3rd leading cause of cancer death worldwide and in Russia as well. Combined modality treatment including radical surgery and perioperative / adjuvant therapy is the current therapeutic strategy for locally advanced gastric cancer. New approaches to combined modality treatment including neoadjuvant chemoradiotherapy for locally advanced gastric cancer were developed at A. Tsyb Medical Radiological Research Center (Obninsk, Russia) and tested in a phase 2 randomized clinical trial. The results obtained showed the safety and high efficiency of the method. To objectify the results, a multicenter randomized trial was initiated in 2016. the main objective of the study was to assess the immediate efficacy and safety of neoadjuvant chemoradiotherapy using pathological response criteria and to evaluate the frequency/severity of toxic reactions and postoperative complications. Additional objectives of the study were to assess the accuracy of preoperative staging of gastric cancer; tumor regression grade of the primary tumor and regional lymph node metastases according to CT findings; treatment outcomes according to the criteria of frequency and time to recurrence/metastasis; 1-, 2 -, and 3-year survival rates. Material and methods. The study included 70 patients with equal distribution between the treatment groups. There were more males than women; the median age was 62 years. The main criterion for inclusion of patients into the study was morphologically confirmed gastric cancer of сT2–4N1–3, сT3–4N0–3; сМ0, IIA-IIIC stages. Patients of the first (investigated) group were treated with neoadjuvant chemoradiotherapy (total dose of 46 Gy in 23 fractions and chemotherapy with capecitabine and oxaliplatin) followed by surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) and 4 cycles of adjuvant chemotherapy. Patients of the second (control) group underwent surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) followed by 6 cycles of adjuvant chemotherapy. Results. The tumor was localized in the middle and lower thirds of the stomach in most cases. There were mostly low-grade adenocarcinomas (47 patients). None of the patients showed the presence of distant metastases; 2B and 3 clinical tumor stages were mostly observed. The comparison of clinical and pathomorphological stages in the control (surgical) group showed that a comprehensive examination, including CT and laparoscopy, allowed the correct assessment of the tumor stage and formation of the control group according to the main inclusion criteria in more than 90 % of patients. Comparison of patients between the study and control groups showed that they were well balanced on the main prognostically important factors. The differences between all parameters were not statistically significant (p>0.05). рак желудка неоадъювантная химиолучевая терапия гастрэктомия d2 адъювантная химиотерапия многоцентровое рандомизированное исследование Neoplasms. Tumors. Oncology. Including cancer and carcinogens S. G. Afanasyev verfasserin aut S. V. Gamayunov verfasserin aut N. K. Silanteva verfasserin aut T. A. Agababyan verfasserin aut P. V. Sokolov verfasserin aut S. A. Ivanov verfasserin aut A. D. Kaprin verfasserin aut In Сибирский онкологический журнал Russian Academy of Sciences, Tomsk National Research Medical Center, 2017 19(2020), 1, Seite 5-14 (DE-627)731335074 (DE-600)2693095-X 23123168 nnns volume:19 year:2020 number:1 pages:5-14 https://doi.org/10.21294/1814-4861-2020-19-1-5-14 kostenfrei https://doaj.org/article/cf0f8b643d404e82b34885bf2cf6a2ed kostenfrei https://www.siboncoj.ru/jour/article/view/1316 kostenfrei https://doaj.org/toc/1814-4861 Journal toc kostenfrei https://doaj.org/toc/2312-3168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2020 1 5-14 |
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10.21294/1814-4861-2020-19-1-5-14 doi (DE-627)DOAJ029954266 (DE-599)DOAJcf0f8b643d404e82b34885bf2cf6a2ed DE-627 ger DE-627 rakwb rus RC254-282 V. Yu. Skoropad verfasserin aut PHASE 2 MULTICENTER RANDOMIZED CLINICAL TRIAL: NEOADJUVANT CHEMORADIOTHERAPY FOLLOWED BY D2 GASTRECTOMY AND ADJUVANT CHEMOTHERAPY IN PATIENTS WITH LOCALLY ADVANCED GASTRIC CANCER 2020 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Introduction. Stomach cancer remains one of the most common malignancies with an unfavorable prognosis. It is the 5-th most frequent cancer and the 3rd leading cause of cancer death worldwide and in Russia as well. Combined modality treatment including radical surgery and perioperative / adjuvant therapy is the current therapeutic strategy for locally advanced gastric cancer. New approaches to combined modality treatment including neoadjuvant chemoradiotherapy for locally advanced gastric cancer were developed at A. Tsyb Medical Radiological Research Center (Obninsk, Russia) and tested in a phase 2 randomized clinical trial. The results obtained showed the safety and high efficiency of the method. To objectify the results, a multicenter randomized trial was initiated in 2016. the main objective of the study was to assess the immediate efficacy and safety of neoadjuvant chemoradiotherapy using pathological response criteria and to evaluate the frequency/severity of toxic reactions and postoperative complications. Additional objectives of the study were to assess the accuracy of preoperative staging of gastric cancer; tumor regression grade of the primary tumor and regional lymph node metastases according to CT findings; treatment outcomes according to the criteria of frequency and time to recurrence/metastasis; 1-, 2 -, and 3-year survival rates. Material and methods. The study included 70 patients with equal distribution between the treatment groups. There were more males than women; the median age was 62 years. The main criterion for inclusion of patients into the study was morphologically confirmed gastric cancer of сT2–4N1–3, сT3–4N0–3; сМ0, IIA-IIIC stages. Patients of the first (investigated) group were treated with neoadjuvant chemoradiotherapy (total dose of 46 Gy in 23 fractions and chemotherapy with capecitabine and oxaliplatin) followed by surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) and 4 cycles of adjuvant chemotherapy. Patients of the second (control) group underwent surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) followed by 6 cycles of adjuvant chemotherapy. Results. The tumor was localized in the middle and lower thirds of the stomach in most cases. There were mostly low-grade adenocarcinomas (47 patients). None of the patients showed the presence of distant metastases; 2B and 3 clinical tumor stages were mostly observed. The comparison of clinical and pathomorphological stages in the control (surgical) group showed that a comprehensive examination, including CT and laparoscopy, allowed the correct assessment of the tumor stage and formation of the control group according to the main inclusion criteria in more than 90 % of patients. Comparison of patients between the study and control groups showed that they were well balanced on the main prognostically important factors. The differences between all parameters were not statistically significant (p>0.05). рак желудка неоадъювантная химиолучевая терапия гастрэктомия d2 адъювантная химиотерапия многоцентровое рандомизированное исследование Neoplasms. Tumors. Oncology. Including cancer and carcinogens S. G. Afanasyev verfasserin aut S. V. Gamayunov verfasserin aut N. K. Silanteva verfasserin aut T. A. Agababyan verfasserin aut P. V. Sokolov verfasserin aut S. A. Ivanov verfasserin aut A. D. Kaprin verfasserin aut In Сибирский онкологический журнал Russian Academy of Sciences, Tomsk National Research Medical Center, 2017 19(2020), 1, Seite 5-14 (DE-627)731335074 (DE-600)2693095-X 23123168 nnns volume:19 year:2020 number:1 pages:5-14 https://doi.org/10.21294/1814-4861-2020-19-1-5-14 kostenfrei https://doaj.org/article/cf0f8b643d404e82b34885bf2cf6a2ed kostenfrei https://www.siboncoj.ru/jour/article/view/1316 kostenfrei https://doaj.org/toc/1814-4861 Journal toc kostenfrei https://doaj.org/toc/2312-3168 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 19 2020 1 5-14 |
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Stomach cancer remains one of the most common malignancies with an unfavorable prognosis. It is the 5-th most frequent cancer and the 3rd leading cause of cancer death worldwide and in Russia as well. Combined modality treatment including radical surgery and perioperative / adjuvant therapy is the current therapeutic strategy for locally advanced gastric cancer. New approaches to combined modality treatment including neoadjuvant chemoradiotherapy for locally advanced gastric cancer were developed at A. Tsyb Medical Radiological Research Center (Obninsk, Russia) and tested in a phase 2 randomized clinical trial. The results obtained showed the safety and high efficiency of the method. To objectify the results, a multicenter randomized trial was initiated in 2016. the main objective of the study was to assess the immediate efficacy and safety of neoadjuvant chemoradiotherapy using pathological response criteria and to evaluate the frequency/severity of toxic reactions and postoperative complications. Additional objectives of the study were to assess the accuracy of preoperative staging of gastric cancer; tumor regression grade of the primary tumor and regional lymph node metastases according to CT findings; treatment outcomes according to the criteria of frequency and time to recurrence/metastasis; 1-, 2 -, and 3-year survival rates. Material and methods. The study included 70 patients with equal distribution between the treatment groups. There were more males than women; the median age was 62 years. The main criterion for inclusion of patients into the study was morphologically confirmed gastric cancer of сT2–4N1–3, сT3–4N0–3; сМ0, IIA-IIIC stages. 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phase 2 multicenter randomized clinical trial: neoadjuvant chemoradiotherapy followed by d2 gastrectomy and adjuvant chemotherapy in patients with locally advanced gastric cancer |
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PHASE 2 MULTICENTER RANDOMIZED CLINICAL TRIAL: NEOADJUVANT CHEMORADIOTHERAPY FOLLOWED BY D2 GASTRECTOMY AND ADJUVANT CHEMOTHERAPY IN PATIENTS WITH LOCALLY ADVANCED GASTRIC CANCER |
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Introduction. Stomach cancer remains one of the most common malignancies with an unfavorable prognosis. It is the 5-th most frequent cancer and the 3rd leading cause of cancer death worldwide and in Russia as well. Combined modality treatment including radical surgery and perioperative / adjuvant therapy is the current therapeutic strategy for locally advanced gastric cancer. New approaches to combined modality treatment including neoadjuvant chemoradiotherapy for locally advanced gastric cancer were developed at A. Tsyb Medical Radiological Research Center (Obninsk, Russia) and tested in a phase 2 randomized clinical trial. The results obtained showed the safety and high efficiency of the method. To objectify the results, a multicenter randomized trial was initiated in 2016. the main objective of the study was to assess the immediate efficacy and safety of neoadjuvant chemoradiotherapy using pathological response criteria and to evaluate the frequency/severity of toxic reactions and postoperative complications. Additional objectives of the study were to assess the accuracy of preoperative staging of gastric cancer; tumor regression grade of the primary tumor and regional lymph node metastases according to CT findings; treatment outcomes according to the criteria of frequency and time to recurrence/metastasis; 1-, 2 -, and 3-year survival rates. Material and methods. The study included 70 patients with equal distribution between the treatment groups. There were more males than women; the median age was 62 years. The main criterion for inclusion of patients into the study was morphologically confirmed gastric cancer of сT2–4N1–3, сT3–4N0–3; сМ0, IIA-IIIC stages. Patients of the first (investigated) group were treated with neoadjuvant chemoradiotherapy (total dose of 46 Gy in 23 fractions and chemotherapy with capecitabine and oxaliplatin) followed by surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) and 4 cycles of adjuvant chemotherapy. Patients of the second (control) group underwent surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) followed by 6 cycles of adjuvant chemotherapy. Results. The tumor was localized in the middle and lower thirds of the stomach in most cases. There were mostly low-grade adenocarcinomas (47 patients). None of the patients showed the presence of distant metastases; 2B and 3 clinical tumor stages were mostly observed. The comparison of clinical and pathomorphological stages in the control (surgical) group showed that a comprehensive examination, including CT and laparoscopy, allowed the correct assessment of the tumor stage and formation of the control group according to the main inclusion criteria in more than 90 % of patients. Comparison of patients between the study and control groups showed that they were well balanced on the main prognostically important factors. The differences between all parameters were not statistically significant (p>0.05). |
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Introduction. Stomach cancer remains one of the most common malignancies with an unfavorable prognosis. It is the 5-th most frequent cancer and the 3rd leading cause of cancer death worldwide and in Russia as well. Combined modality treatment including radical surgery and perioperative / adjuvant therapy is the current therapeutic strategy for locally advanced gastric cancer. New approaches to combined modality treatment including neoadjuvant chemoradiotherapy for locally advanced gastric cancer were developed at A. Tsyb Medical Radiological Research Center (Obninsk, Russia) and tested in a phase 2 randomized clinical trial. The results obtained showed the safety and high efficiency of the method. To objectify the results, a multicenter randomized trial was initiated in 2016. the main objective of the study was to assess the immediate efficacy and safety of neoadjuvant chemoradiotherapy using pathological response criteria and to evaluate the frequency/severity of toxic reactions and postoperative complications. Additional objectives of the study were to assess the accuracy of preoperative staging of gastric cancer; tumor regression grade of the primary tumor and regional lymph node metastases according to CT findings; treatment outcomes according to the criteria of frequency and time to recurrence/metastasis; 1-, 2 -, and 3-year survival rates. Material and methods. The study included 70 patients with equal distribution between the treatment groups. There were more males than women; the median age was 62 years. The main criterion for inclusion of patients into the study was morphologically confirmed gastric cancer of сT2–4N1–3, сT3–4N0–3; сМ0, IIA-IIIC stages. Patients of the first (investigated) group were treated with neoadjuvant chemoradiotherapy (total dose of 46 Gy in 23 fractions and chemotherapy with capecitabine and oxaliplatin) followed by surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) and 4 cycles of adjuvant chemotherapy. Patients of the second (control) group underwent surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) followed by 6 cycles of adjuvant chemotherapy. Results. The tumor was localized in the middle and lower thirds of the stomach in most cases. There were mostly low-grade adenocarcinomas (47 patients). None of the patients showed the presence of distant metastases; 2B and 3 clinical tumor stages were mostly observed. The comparison of clinical and pathomorphological stages in the control (surgical) group showed that a comprehensive examination, including CT and laparoscopy, allowed the correct assessment of the tumor stage and formation of the control group according to the main inclusion criteria in more than 90 % of patients. Comparison of patients between the study and control groups showed that they were well balanced on the main prognostically important factors. The differences between all parameters were not statistically significant (p>0.05). |
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Introduction. Stomach cancer remains one of the most common malignancies with an unfavorable prognosis. It is the 5-th most frequent cancer and the 3rd leading cause of cancer death worldwide and in Russia as well. Combined modality treatment including radical surgery and perioperative / adjuvant therapy is the current therapeutic strategy for locally advanced gastric cancer. New approaches to combined modality treatment including neoadjuvant chemoradiotherapy for locally advanced gastric cancer were developed at A. Tsyb Medical Radiological Research Center (Obninsk, Russia) and tested in a phase 2 randomized clinical trial. The results obtained showed the safety and high efficiency of the method. To objectify the results, a multicenter randomized trial was initiated in 2016. the main objective of the study was to assess the immediate efficacy and safety of neoadjuvant chemoradiotherapy using pathological response criteria and to evaluate the frequency/severity of toxic reactions and postoperative complications. Additional objectives of the study were to assess the accuracy of preoperative staging of gastric cancer; tumor regression grade of the primary tumor and regional lymph node metastases according to CT findings; treatment outcomes according to the criteria of frequency and time to recurrence/metastasis; 1-, 2 -, and 3-year survival rates. Material and methods. The study included 70 patients with equal distribution between the treatment groups. There were more males than women; the median age was 62 years. The main criterion for inclusion of patients into the study was morphologically confirmed gastric cancer of сT2–4N1–3, сT3–4N0–3; сМ0, IIA-IIIC stages. Patients of the first (investigated) group were treated with neoadjuvant chemoradiotherapy (total dose of 46 Gy in 23 fractions and chemotherapy with capecitabine and oxaliplatin) followed by surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) and 4 cycles of adjuvant chemotherapy. Patients of the second (control) group underwent surgery (gastrectomy/subtotal resection of the stomach with D2 lymph node dissection) followed by 6 cycles of adjuvant chemotherapy. Results. The tumor was localized in the middle and lower thirds of the stomach in most cases. There were mostly low-grade adenocarcinomas (47 patients). None of the patients showed the presence of distant metastases; 2B and 3 clinical tumor stages were mostly observed. The comparison of clinical and pathomorphological stages in the control (surgical) group showed that a comprehensive examination, including CT and laparoscopy, allowed the correct assessment of the tumor stage and formation of the control group according to the main inclusion criteria in more than 90 % of patients. Comparison of patients between the study and control groups showed that they were well balanced on the main prognostically important factors. The differences between all parameters were not statistically significant (p>0.05). |
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Afanasyev</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">S. V. Gamayunov</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">N. K. Silanteva</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">T. A. Agababyan</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">P. V. Sokolov</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="0" ind2=" "><subfield code="a">S. A. 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