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Thursday, August 19, 2021

Successful Conversion Surgery for Advanced Gastric Cancer With Multiple Liver Metastases Following Ramucirumab Plus Paclitaxel Combination Treatment

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In Vivo. 2021 Sep-Oct;35(5):2929-2935. doi: 10.21873/invivo.12584.

ABSTRACT

AIM: To present the case of a patient with unresectable gastric cancer showing a remarkable effect by second-line drug treatment with ramucirumab plus paclitaxel and conversion surgery.

CASE REPORT: A 68-year-old woman who was diagnosed with gastric cancer was referred to us. Esophagogastroduodenoscopy showed an ulcerated lesion with an irregular nodulated border in the lower third of the stomach, and histology of biopsied specimens indicated a poorly differentiated adenocarcinoma. Enhanced computed tomography revealed extensive invasion of the liver, and the patients was treated using S-1 plus oxaliplatin as first-line chemotherapy. Because she developed liver metastases, the treatment regimen was changed to ramucirumab plus paclitaxel as the second-line treatment. After four cycles of weekly paclitaxel with ramucirumab treatment, the liver metastases ha d completely disappeared. Because no other metastatic lesions in other organs were detected, we performed total gastrectomy with D2 lymphadenectomy. The macroscopic findings of the surgically resected specimen revealed an ulcerated lesion with an irregularly modulated lesion measuring 9.5×4.5 cm. Pathological analysis demonstrated a poorly differentiated adenocarcinoma in the stomach, with invasion to the liver through the serosal layer, and seven lymph node metastases. The postoperative course was unremarkable, and she received ramucirumab in combination with paclitaxel treatment. However, liver metastasis appeared at 4 months after the operation, for which she was treated with irinotecan. Although the patient continued to receive irinotecan chemotherapy for 10 months, her general condition gradually deteriorated, and she was started on best supportive care 13 months after conversion surgery.

CONCLUSION: Conversion surgery may prolong survival not only through first-line but also second-line treatments in selected patients with unresectable advanced gastric cancer; however, assessments of additional cases and further studies are required to establish this treatment strategy.

PMID:34410989 | DOI:10.21873/invivo.12584

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