Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:2.7.10.1 (ERK)
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Anal canal cancer is a rare tumor without clear treatment evidence in the metastatic setting. In terms of the bad prognosis of patients with metastatic anal cancer, further therapeutic options are urgently needed. In this paper we present the case of a 64-year-old man suffering from undifferentiated squamous cell carcinoma with liver metastases. After progression on cisplatin and fluorouracil, tumor tissue was analyzed with respect to anti-EGFR therapy with cetuximab. There was no KRAS mutation and the EGFR expression level in the tumor tissue was 2+; ideal conditions for the immunotherapy. Encouraged by these results we started a therapy using FOLFIRI in combination with cetuximab. Fortunately the patient showed a partial response after 6 cycles. On patient's preference we did a therapy break of 6 weeks. Within this time period the disease was progressive indicating its aggressiveness. However, the same immunotherapy was able to stabilize the disease for a further 3 months. The patient died 21 months after diagnosis because of liver failure. Nevertheless, from our perspective the combination of FOLFIRI and cetuximab is quite a promising therapeutic option for patients with metastatic anal cancer. Potential predictive factors of the immunochemotherapy are discussed in this paper.
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PMID:Efficacy of Cetuximab in Combination with FOLFIRI in a Patient with KRAS Wild-Type Metastatic Anal Cancer. 2294 5

Anal canal adenocarcinoma is a relatively rare malignancy without established diagnostic and treatment criteria. Case reports of chemotherapy for anal canal adenocarcinoma with distant metastasis are limited, and there is no convincing evidence for treatment effectiveness. A 62-year-old man complained of difficulty in defecation, anal pain, and bleeding during bowel movement. He was diagnosed with moderately differentiated primary anal canal adenocarcinoma. A computed tomography scan revealed multiple metastases in the lung and liver. The patient was treated with abdominoperineal resection to control local tumor growth and then with chemotherapy consisting of mFOLFOX6 + bevacizumab. Because he had an activating KRAS mutation, anti-EGFR therapy was not considered. A reduction in the size of lung and liver metastases was observed after 4 courses of mFOLFOX6 + bevacizumab, and after 22 courses, maximum reduction in the metastatic lesions was achieved. The patient demonstrated tolerable levels of oxaliplatin-related peripheral neurotoxicity (grades 1-2) and was considered as having partial response to treatment. He is currently at the partial response state for 1 year. We plan to continue the treatment unless the patient develops progressive disease or intolerable adverse reactions. This case demonstrates that anal canal adenocarcinoma with distant metastases could be successfully treated with mFOLFOX6 + bevacizumab therapy according to the guidelines for rectal carcinoma. However, as anal canal carcinoma has multiple histological subtypes, it is important to establish subtype-specific treatment strategies.
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PMID:Successful Treatment of Metastatic Anal Canal Adenocarcinoma with mFOLFOX6 + Bevacizumab. 2723 80