Kazushige Wakuda

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OBJECTIVES The effects of first-line chemotherapy on overall survival (OS) might be confounded by subsequent therapies in patients with small cell lung cancer (SCLC). We examined whether progression-free survival (PFS), post-progression survival (PPS), and tumor response could be valid surrogate endpoints for OS after first-line chemotherapies for patients(More)
Spontaneous regression of lesions occurs in non-infectious benign diseases, such as sarcoidosis, as well as in infectious diseases, such as tuberculosis. Lung cancer and malignant lymphoma, on the other hand, rarely follow a similar course. We report a rare case of lung tuberculosis that presented with multiple nodules with metachronous changes in size. We(More)
A 61-year-old never-smoking woman with stage IV lung adenocarcinoma with initially unknown epidermal growth factor receptor (EGFR) status, lung metastasis, pleural dissemination, and malignant pleural effusion in 2007 received 10 prior anti-cancer regimens including gefitinib as second- and ninth-line treatments, with minimal efficacy with gefitinib. EGFR(More)
Although third-generation epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKI) can overcome T790M-mediated resistance in non-small-cell lung cancer (NSCLC), rebiopsy to confirm T790M status is occasionally difficult. We aimed to investigate the current tendency and the limitations of rebiopsy in clinical practice. This study included 139(More)
An 80-year-old Japanese woman with wet cough and dyspnea was diagnosed with pneumonia at a clinic. Antibiotics did not improve her symptoms; therefore, she was referred to our hospital one month after symptom onset. Chest radiograph findings revealed complete collapse of the left lung. Bronchoscopy showed white mucus plug in the left main bronchus, which(More)
OBJECTIVE Malignant pleural mesothelioma (MPM) is a rare and aggressive, treatment-resistant cancer. Pemetrexed, an inhibitor of thymidylate synthase (TS), is used worldwide for MPM as a first-line chemotherapy regimen. However, there is little consensus for a second-line chemotherapy. S-1, a highly effective dihydropyrimidine dehydrogenase (DPD)-inhibitory(More)
The majority of non-small cell lung cancer (NSCLC) patients with epidermal growth factor receptor (EGFR) mutation eventually develop resistance to EGFR tyrosine kinase inhibitors (TKIs). Minimal information exists regarding genetic alterations in rebiopsy samples from Asian NSCLC patients who develop acquired resistance to EGFR-TKIs. We retrospectively(More)
BACKGROUND The effects of first-line chemoradiotherapy on overall survival (OS) may be confounded by subsequent lines of therapy in patients with limited-stage disease small cell lung cancer (LD-SCLC). Therefore, we aimed to determine the relationships between progression-free survival (PFS), post-progression survival (PPS) and OS after first-line(More)
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