Fatal or not? Finding errors that lead to dialogue breakdowns in chat-oriented dialogue systems

Abstract This paper aims to find errors that lead to dialogue breakdowns in chat-oriented dialogue systems. We collected chat dialogue data, annotated them with dialogue breakdown labels, and collected comments describing the error that led to the breakdown. By mining the comments, we first identified error types. Then, we calculated the correlation between an error type and the degree of dialogue breakdown it incurred, quantifying its impact on dialogue breakdown. This is the first study to quantitatively analyze error types and their effect in chat-oriented dialogue systems

Fatal or not? Finding errors that lead to dialogue breakdowns in chat-oriented dialogue systems

This paper aims to find errors that lead to dialogue breakdowns in chat-oriented dia-logue systems. We collected chat dialogue data, annotated them with dialogue break-down labels, and collected comments de-scribing the error that led to the break-down. By mining the comments, we first identified error types. Then, we calculated the correlation between an error type and the degree of dialogue breakdown it in-curred, quantifying its impact on dialogue breakdown. This is the first study to quan-titatively analyze error types and their ef-fect in chat-oriented dialogue systems.

Multiple subcutaneous abscesses by Corynebacterium amycolatum in a patient with severe idiopathic aplastic anaemia

Abstract Corynebacterium amycolatum is a part of the normal skin flora and has been underestimated as a pathogen. However, in recent years, the species has gained recognition as an important pathogen causing severe infections, particularly in immunocompromised patients. Nevertheless, identifying these organisms at the species level is difficult in routine clinical microbiology, leading to limited knowledge of their clinical manifestations in infectious diseases. In this study, we report a rare case of multiple subcutaneous abscesses in a patient with severe neutropenia, wherein C.amycolatum was identified as the causative organism through genotyping tests. This case highlights the importance of this organism as an aetiological agent of severe skin infections in patients with compromised immune systems

Renoprotective Effect of Azelnidipine in Rats

To assess whether azelnidipine (AZN) exerts renoprotective effects, 20-week-old adult male stroke-prone spontaneously hypertensive rats (SHRsp) were treated with AZN 10 mg/kg/d (n=6), olmesartan (OLM) 3 mg/kg/d (n=4), hydralazine (HYD) 20 mg/kg/d (n=3), or water (control; n=5). Each test agent was administered by oral gavage for 12 weeks. Systolic blood pressure (SBP) was measured every 2 weeks and urinary protein excretion (UproV) every 3 weeks. At the age of 32 weeks, the rats were sacrificed and blood and kidneys collected for biochemical, histological, and immunohistochemical studies. All drug treatments significantly (p<0.05) reduced SBP, UproV, and blood biochemical parameters such as creatinine, total cholesterol, and blood urea nitrogen. Masson trichrome staining and immunohistochemical staining revealed significant (p<0.05) reductions of interstitial fibrosis, collagen type III, nicotinamide-adenine dinucleotide/nicotinamide-adenine dinucleotide phosphate oxidase, and p22phox and p47phox components expression in the AZN- and OLM-treated groups in comparison with rats treated with HYD and control animals. ED1, 4-hydroxy-2-nonenal (4-HNE), and heat shock protein (HSP)-47 expression was also reduced in the AZN- and OLM-treated groups versus in HYD and control animals. These results indicate that not only OLM but also AZN exerts renoprotective effects through inhibition of macrophage infiltration and antioxidant activity in SHRsp model of renal injury

Phase I Trial of Pemetrexed in Combination with Carboplatin Followed by Pemetrexed Maintenance Therapy in Elderly Patients with Advanced Non-small Cell Lung Cancer

Introduction： A phase I trial was conducted to evaluate the feasibility of pemetrexed in combination with carboplatin followed by pemetrexed maintenance therapy in elderly patients with advanced non-small cell lung cancer （NSCLC）. The primary objective of this study was to determine the maximum tolerated dose （MTD） and the recommended dose （RD） of pemetrexed in combination with carboplatin.Methods：Chemotherapy-naïve elderly 13 patients （age, ≥70 years） with stage IIIB/IV non-squamous NSCLC were enrolled and received pemetrexed 500 mg/m2 and carboplatin at an area under the curve （AUC）dose of 5 mg/ml/min（level 1）or 6 mg/ml/min （level 2）. Pemetrexed with carboplatin was administered on day 1 of the 21-day cycle. The treatment schedule consisted of four cycles of pemetrexed with carboplatin. Patients who did not have progressive disease after completion of four cycles subsequently received pemetrexed maintenance therapy （500 mg/m2 every three weeks） until disease progression or unacceptable toxicity was noted.Results：Three patients were enrolled in level 1, in which no dose-limiting toxicity（DLT）was observed. The carboplatin dose was escalated to AUC 6. Two of 3 patients treated in level 2 had grade 4 thrombocytopenia of DLT. MTD was determined as level 2. Consequently, pemetrexed 500 mg/m2 with carboplatin AUC 5 was recommended as the dose for elderly patients with advanced non-squamous NSCLC. An additional 7 patients who received RD showed no DLT. Nine of 13 patients received 4 cycles of combination therapy, and 5 patients were continuously treated with pemetrexed maintenance therapy. Six patients achieved a partial response, and another 6 showed stable disease. The response rate and disease control rate were 46.2％ and 92.3％, respectively. The median progression-free survival for the enrolled patients was 134 days （95％ CI, 95 to 231 days）, and the median overall survival was 346 days （95％ CI, 151 to 549 days）.Conclusions：The combination therapy of pemetrexed 500 mg/m2 with carboplatin AUC 5 followed by pemetrexed maintenance therapy showed no severe adverse events and was feasible and well-tolerated for elderly patients with advanced non-squamous NSCLC