Background The coronavirus disease (COVID-19) has afflicted large populations worldwide. Although vaccines aroused great expectations, their side effects on Japanese people and the antibody titer transition after vaccination are unclear. Methods The side effects of the BNT162b2 mRNA COVID-19 vaccine in participants who received vaccination at our center were investigated. Some participants were also surveyed for the antibody titer transition. Results In this study, 983 and 798 Japanese participants responded to the first and second doses, respectively. Side effects occurred in 757 (77.0%) and 715 participants (90.0%) after the first and second doses, respectively. No Grade 4 side effects occurred. The second dose had significantly more side effects than the first dose (p < 0.001). Side effects occurred after the second dose in 571 female (92.1%) and 178 male participants (80.1%). Female participants had a higher incidence of side effects than the male participants (p < 0.001). A comparison among the age groups showed significant differences (p = 0.018), and the frequency of side effects decreased with age. Twenty-three individuals participated in the survey of antibody titer transition. After the second vaccine dose, the median antibody titers for IgG and IgM were 3.76 and 0.07 AU/mL, respectively. Both IgG and IgM titers showed a significant increase over the study period (p < 0.001). Conclusions The BNT162b2 mRNA COVID-19 vaccine might be safe for Japanese people, and the antibody titer increased with two doses of vaccination. Larger nationwide studies are warranted to verify these findings.
Background Coronavirus disease 2019 (COVID-19) has spread worldwide and is also an important disease in Japan. Thus, the optimal treatment strategy for severe COVID-19 should be established urgently. The effects of combination treatment with baricitinib—a Janus kinase inhibitor, remdesivir, and dexamethasone (BRD) are unknown. Methods Patients who received combination therapy with BRD at the Japanese Red Cross Medical Center were enrolled in the study. All patients received baricitinib (≤14 d), remdesivir (≤10 d), and dexamethasone (≤10 d). The efficacy and adverse events were evaluated. Results In total, 44 patients with severe COVID-19 were enrolled in this study. The 28-d mortality rate was low at 2.3 % (1/44 patients). The need for invasive mechanical ventilation was avoided in most patients (90 %, 17/19 patients). Patients who received BRD therapy had a median hospitalization duration of 11 d, time to recovery of 9 d, duration of intensive care unit stay of 6 d, duration of invasive mechanical ventilation of 5 d, and duration of supplemental oxygen therapy of 5 d. Adverse events occurred in 15 patients (34 %). Liver dysfunction, thrombosis, iliopsoas hematoma, renal dysfunction, ventilator-associated pneumonia, infective endocarditis, and herpes zoster occurred in 11 %, 11 %, 2 %, 2 %, 2 %, 2 %, and 2 % of patients, respectively. Conclusions Combination therapy with BRD was effective in treating severe COVID-19, and the incidence rate of adverse events was low. The results of the present study are encouraging; however, further randomized clinical studies are needed.
COVID-19, severe acute respiratory syndrome coronavirus 2, adverse event, efficacy, neutralizing antibodies Although sotrovimab, one of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) neutralizing antibodies has been shown to be effective in patients with mild-to-moderate coronavirus disease 2019 (COVID-19) with risk factors, their efficacy in mRNA COVID-19 vaccinated patients in omicron era is unknown. To evaluate the effectiveness of sotrovimab clinical data from both COVID-19 vaccinated and unvaccinated patients who were hospitalized and receiving sotrovimab at the Japanese Red Cross Medical Center were compared. The efficacy and adverse events were evaluated. Of the total 60 patients enrolled in this study, 45 had received the mRNA COVID-19 vaccine and 15 were unvaccinated. The clinical progression with low nasal cannula or face mask was not significantly different between groups (occurring in one patient in each group; p = 0.44), with no further progression in both groups. The duration of hospitalization was eight days for both groups (p = 0.90). Two patients in each group experienced adverse events (7%, p = 0.26). The results suggested that the efficacy and safety of sotrovimab against mild-to-moderate COVID-19 with risk factors in the omicron era might not be different regardless of the vaccination status. The results of the present study are encouraging; however, further randomized clinical studies are needed.
Nuclear protein of the testis (NUT) midline carcinoma (NMC) is a rare tumor that typically presents in the head, neck, and chest region. NMC is characterized by rearrangement of the NUTM1 gene. It mainly affects children and young adults and is rapidly progressive and lethal. Reportedly, the prognoses of NMCs of the head and neck improve following aggressive initial surgical resection +/− postoperative chemoradiotherapy (CRT) or radiotherapy (RT). However, as NMC of the thorax was identified later, treatments to improve its prognosis are yet to be identified. Our review reveals that NMC is an extremely rare cancer, and most patients remain undiagnosed. Furthermore, this review outlines the clinical characteristics of NMC of the thorax and the prospects for its treatment.
Patients with idiopathic pulmonary fibrosis (IPF) occasionally experience acute exacerbations after surgery for lung cancer. Several recent studies have revealed a prophylactic effect of perioperative pirfenidone treatment on postoperative acute exacerbations of IPF in patients with lung cancer. A 75-year-old woman consulted with her pulmonologist because of an IPF shadow detected by follow-up chest computed tomography 2 months after surgical treatment of biliary cancer. Another 7 months later, chest computed tomography showed a 23- × 14-mm nodule located in the right lower lobe with high accumulation of fluorodeoxyglucose detected by positron emission tomography, resulting in a radiological diagnosis of primary lung cancer with IPF. We administered perioperative pirfenidone treatment followed by right lower lobectomy using uniportal video-assisted thoracoscopic surgery after attaining a pathological diagnosis of adenocarcinoma. The patient developed no acute exacerbations of IPF during the postoperative period, and she had no recurrence of lung cancer for 15 months after surgery. We successfully used a combination of perioperative antifibrotic medication and minimally invasive surgery after lung cancer surgery in a patient with IPF.
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