Efforts to Optimize Clinical Trial Management by Revising Deviation Reports and Classifying Deviation Cases for Efficient Clinical Trial Quality Improvement at Asahikawa Medical University Hospital.

Face-to-face communication during on-site monitoring is important for clinical trial quality assurance. However, with the coronavirus disease early 2020 pandemic, medical institutions placed restrictions on hospital visits to secure their medical systems. Asahikawa Medical University Hospital similarly established restrictions on outpatient and inpatient visits and legal restrictions on outside vendors. Therefore, the frequency of on-site monitoring of clinical trials conducted at our hospital was reduced. Since there was no sign of convergence at the infection units even after 2 years, we investigated the frequency of on-site monitoring and the frequency of clinical trial deviations in the review of the system. In addition, although a clinical trial deviation report form (previous form)was prepared in the fiscal year 2019, there were many free descriptions, and many deviation reports were difficult to understand. Similarly, there were cases where deviations were not recorded on the deviation report form but only on article records (source documents), such as electronic medical records after consultation with the sponsor, and deviations were not recorded in a uniform format. Thus, the hospital experienced difficulty tabulating and classifying the number of deviation occurrences. Based on this experience, this report describes the progress of revising the clinical trial deviation report, clarifying the items to be included in the report, and establishing a system to clarify the process related to clinical trial deviation occurrences.Copyright: © 2023 the Japanese Society of Clinical Pharmacology and Therapeutics (JSCPT).

Efforts to Optimize Clinical Trial Management by Revising Deviation Reports and Classifying Deviation Cases for Efficient Clinical Trial Quality Improvement at Asahikawa Medical University Hospital

Face-to-face communication during on-site monitoring is important for clinical trial quality assurance. However, with the coronavirus disease early 2020 pandemic, medical institutions placed restrictions on hospital visits to secure their medical systems. Asahikawa Medical University Hospital similarly established restrictions on outpatient and inpatient visits and legal restrictions on outside vendors. Therefore, the frequency of on-site monitoring of clinical trials conducted at our hospital was reduced. Since there was no sign of convergence at the infection units even after 2 years, we investigated the frequency of on-site monitoring and the frequency of clinical trial deviations in the review of the system. In addition, although a clinical trial deviation report form (previous form)was prepared in the fiscal year 2019, there were many free descriptions, and many deviation reports were difficult to understand. Similarly, there were cases where deviations were not recorded on the deviation report form but only on article records (source documents), such as electronic medical records after consultation with the sponsor, and deviations were not recorded in a uniform format. Thus, the hospital experienced difficulty tabulating and classifying the number of deviation occurrences. Based on this experience, this report describes the progress of revising the clinical trial deviation report, clarifying the items to be included in the report, and establishing a system to clarify the process related to clinical trial deviation occurrences.Copyright: © 2023 the Japanese Society of Clinical Pharmacology and Therapeutics (JSCPT).

Efforts to Optimize Clinical Trial Management by Revising Deviation Reports and Classifying Deviation Cases for Efficient Clinical Trial Quality Improvement at Asahikawa Medical University Hospital.

Face-to-face communication during on-site monitoring is important for clinical trial quality assurance. However, with the coronavirus disease early 2020 pandemic, medical institutions placed restrictions on hospital visits to secure their medical systems. Asahikawa Medical University Hospital similarly established restrictions on outpatient and inpatient visits and legal restrictions on outside vendors. Therefore, the frequency of on-site monitoring of clinical trials conducted at our hospital was reduced. Since there was no sign of convergence at the infection units even after 2 years, we investigated the frequency of on-site monitoring and the frequency of clinical trial deviations in the review of the system. In addition, although a clinical trial deviation report form (previous form)was prepared in the fiscal year 2019, there were many free descriptions, and many deviation reports were difficult to understand. Similarly, there were cases where deviations were not recorded on the deviation report form but only on article records (source documents), such as electronic medical records after consultation with the sponsor, and deviations were not recorded in a uniform format. Thus, the hospital experienced difficulty tabulating and classifying the number of deviation occurrences. Based on this experience, this report describes the progress of revising the clinical trial deviation report, clarifying the items to be included in the report, and establishing a system to clarify the process related to clinical trial deviation occurrences.Copyright: © 2023 the Japanese Society of Clinical Pharmacology and Therapeutics (JSCPT).

Hand Written Digits Recognition based on Concatenated LSTMs

Over the last few years, contactless technology has gotten much attention because of the influence of the coronavirus (COVID-19). We focused on the hand written digits using contactless devices, Leap Motion Controller, for an information input method to accommodate the rapidly increasing demand. In this study, we verify the effectiveness of the proposed learning model that divides the subject's hand-tracking data according to the type of fingers and learn with multiple input layer. We set two kinds of evaluation methods. The normal recognition method is that specific subject data includes training and test data. The third party recognition method is that specific subject data does include training data. The classification accuracy calculated by the proposed learning model, the normal recognition method achieves a maximum of 96.7%, and the third party recognition method achieves a maximum of 80.1%. © 2023 IEEE.

Diagnostic test property of transcription-reverse transcription concerted reaction reagent TRCReady® SARS-CoV-2 i using nasopharyngeal swab samples

TRCReady® SARS-CoV-2 i is a reagent for transcription-reverse transcription concerted reaction (TRC) to detect SARS-CoV-2 N2 gene, used with the automated rapid isothermal nucleic acid amplification test (NAAT) analyzer TRCReady®-80. Sensitivity and specificity of TRCReady® SARS-CoV-2 i was assessed by comparison with the results of real-time reverse transcription-polymerase chain reaction (RT-PCR) using nasopharyngeal swab samples. From November 2020 to March 2021, a total of 441 nasopharyngeal swabs were obtained and analyzed both with TRCReady® SARS-CoV-2 i and RT-PCR. Sensitivity and specificity of TRCReady® SARS-CoV-2 i were 94.6% (53/56) and 99.2% (382/385), respectively. Reaction time to positivity of TRCReady® SARS-CoV-2 i ranged from 1.166 to 9.805 (median: 2.887) min, and minimum detection sensitivity of TRCReady® SARS-CoV-2 i was 9 copies per test, with reaction time as 5.014 min. Detection of SARS-CoV-2 gene from nasopharyngeal swab sample using TRCReady® SARS-CoV-2 i shows comparative diagnostic test accuracy with RT-PCR, and can be used as a useful test to diagnose SARS-CoV-2 infection. © 2022 Japanese Society of Chemotherapy and The Japanese Association for Infectious Diseases

Diagnostic test property of transcription-reverse transcription concerted reaction reagent TRCReady® SARS-CoV-2 i using nasopharyngeal swab samples

TRCReady® SARS-CoV-2 i is a reagent for transcription-reverse transcription concerted reaction (TRC) to detect SARS-CoV-2 N2 gene, used with the automated rapid isothermal nucleic acid amplification test (NAAT) analyzer TRCReady®-80. Sensitivity and specificity of TRCReady® SARS-CoV-2 i was assessed by comparison with the results of real-time reverse transcription-polymerase chain reaction (RT-PCR) using nasopharyngeal swab samples. From November 2020 to March 2021, a total of 441 nasopharyngeal swabs were obtained and analyzed both with TRCReady® SARS-CoV-2 i and RT-PCR. Sensitivity and specificity of TRCReady® SARS-CoV-2 i were 94.6% (53/56) and 99.2% (382/385), respectively. Reaction time to positivity of TRCReady® SARS-CoV-2 i ranged from 1.166 to 9.805 (median: 2.887) minutes, and minimum detection sensitivity of TRCReady® SARS-CoV-2 i was 9 copies per test, with reaction time as 5.014 minutes. Detection of SARS-CoV-2 gene from nasopharyngeal swab sample using TRCReady® SARS-CoV-2 i shows comparative diagnostic test accuracy with RT-PCR, and can be used as a useful test to diagnose SARS-CoV-2 infection.

EFFICACY, TREATMENT ADMINISTRATION SATISFACTION AND SAFETY OF SUBCUTANEOUS RAVULIZUMAB THROUGH 1 YEAR IN PATIENTS WITH PAROXYSMAL NOCTURNAL HEMOGLOBINURIA WHO RECEIVED PRIOR INTRAVENOUS ECULIZUMAB

Background: The efficacy of ravulizumab (intravenous [IV] formulation;administered every 8 weeks) for the treatment of patients with paroxysmal nocturnal hemoglobinuria (PNH) has been demonstrated in several randomized trials (NCT02946463, NCT03056040, NCT03406507). In study 303 (NCT03748823), subcutaneous (SC) ravulizumab, administered weekly via an on-body delivery system, showed pharmacokinetic non-inferiority to IV ravulizumab in adult patients with PNH who were clinically stable on prior IV eculizumab treatment. Here, we report results from the first 1 year of SC treatment, starting at day 15 for patients who continued SC ravulizumab during the extension period (SC/SC) and day 71 for patients who switched from IV ravulizumab to SC ravulizumab (IV/SC). Aims: To evaluate the efficacy, treatment administration satisfaction and safety of SC ravulizumab through the first 1 year (day 351) of treatment in adult patients with PNH previously treated with eculizumab. Methods: Patients (≥ 18 years) with clinically stable PNH (lactate dehydrogenase [LDH] levels ≤ 1.5 × upper limit of normal [246 U/L]) and ≥ 3 months prior eculizumab treatment were enrolled in the study, which consisted of a screening period (day-1 to day-30), a 10-week randomized treatment period and an extension period of up to 172 weeks. During the randomized treatment period, patients were assigned (2:1 ratio) to receive either SC ravulizumab or IV ravulizumab;all patients received SC ravulizumab during the extension period. Efficacy endpoints included: change in LDH from baseline;incidence of breakthrough hemolysis;transfusion avoidance;and stabilized hemoglobin (avoidance of a ≥ 2 g/dL decrease in hemoglobin in the absence of transfusion). Treatment administration satisfaction was assessed via the Treatment Administration Satisfaction Questionnaire (TASQ), which has been validated in a PNH population. Safety, including adverse events (AEs), serious AEs (SAEs) and adverse device effects (ADEs), were also assessed up to the 1-year data cut-off. Results: In total, 128 patients received SC ravulizumab (SC/SC: n = 84;IV/SC: n = 44;mean [range] duration of SC treatment: 486.4 [37-709] days). Efficacy endpoints (SC/SC and IV/SC) remained stable over time through 1 year of SC ravulizumab treatment. Mean (standard deviation [SD]) percentage change in LDH from baseline to SC day 351 was 0.9% (20.5%). Breakthrough hemolysis events were infrequent: 5/128 patients (3.9%);no event was considered free C5-related. Transfusion avoidance was maintained in 83.6% of patients during SC treatment, and 79.7% achieved stabilized hemoglobin. Improvement in total TASQ score with SC ravulizumab (compared with baseline IV eculizumab) was apparent at the first post-SC treatment assessment (SC day 29) and maintained until data cut-off (Figure). The most common AEs (reported by ≥ 10% of patients, excluding ADEs related to device product issues) during SC treatment were headache (14.1%, all grade ≤ 2), COVID-19 (14.1%, one death) and pyrexia (10.9%);injection site reaction (4.7%) was the most common non-device related ADE. Treatment-emergent SAEs were experienced by 21.1% of patients through to data cut-off. Although many patients had ≥ 1 device issue ADE, full SC dose administration was achieved in 99.9% of attempts. ADE incidence decreased over time. Image: Summary/Conclusion: The SC method of administration provides an additional treatment option for patients with PNH receiving ravulizumab therapy. Patients may be switched from IV eculizumab or IV ravulizumab to SC ravulizumab without loss of efficacy.

How to Deal with Radio-contaminated Patients under the COVID-19 Pandemic Situation

Since the end of 2019, we have faced a COVID-19 (coronavirus disease 2019) pandemic with SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2). Medical institutions must treat COVID-19 patients while preventing health care workers and other patients from nosocomial infections. COVID-19 also needs to be considered in a case of radiation emergency medicine. Although radioactive materials (RI) and SARS-CoV-2 are different, they have much in common in health risk management when we receive such patients in that they are undetectable by all our five senses and require personal protective equipment (PPE). On the other hand, there are some notable points on preparedness and response for their risk management. We cannot detect SARS-CoV-2 in real-time but can sterilize them with alcohol-based hand sanitizer. RI is difficult to be decontaminated entirely but detectable in real-time with a suitable radiation survey instrument. Under the COVID-19 situation, it is a great challenge to deal simultaneously with a radiation protection and an infection control, especially in an emergency situation of radiation exposure. In order to overcome such difficulty, we at first compare the similarity and difference of risk management between RI exposure and SARS-CoV-2 infection. Then the points of attention are introduced how to manage the radio-contaminated patients with a coexistence of SARS-CoV-2, including the fundamental concept of zoning, PPE, and hand-over of equipment. © 2021 Japan Health Physics Society. All rights reserved.

Depression prevention in healthcare workers during the COVID-19 pandemic.

BACKGROUND: Few studies have assessed depression in healthcare workers (HCWs) in Japan owing to the coronavirus disease 2019 (COVID-19) pandemic, and no studies have proposed effective interventions to help support their mental health. AIMS: To test the hypothesis that enhancing access to mental healthcare professionals helps to improve HCWs' mental health. METHODS: This cross-sectional study assessed depressive symptoms in HCWs at three hospitals in Osaka prefecture between May and July, 2020. The survey obtained information on HCWs' mental state and related situations/perceptions. Multivariable logistic regression analysis was performed to identify factors associated with depressive symptoms. RESULTS: Of the 3291 eligible HCWs, 1269 (39%) completed the survey. Of all HCWs, 87 (7%) were physicians, and 700 (55%) were nurses. A total of 181 (14%) HCWs had moderate-to-severe symptoms of depression. Being a frontline worker was not significantly associated with depressive symptoms (odds ratio: 0.86 [95% confidence intervals: 0.54-1.37], P = 0.50). The unwillingness to consult with anyone was significantly associated with more severe depressive symptoms (1.70 [1.10-2.63], P < 0.01). HCWs who had no opportunity to confide in family/friends (1.66 [1.10-2.52], P < 0.01) or colleagues/supervisors (3.19 [2.22-4.58], P < 0.001) were significantly more likely to have depressive symptoms. CONCLUSIONS: Being a frontline HCW in a Japanese hospital treating patients with COVID-19 was not significantly associated with having depressive symptoms. The study highlights that encouraging daily communication with close persons (family, friends, colleagues and supervisors), rather than improving access to mental health professionals, might help to prevent depression in HCWs during the COVID-19 pandemic.

A case of feline gastrointestinal eosinophilic sclerosing fibroplasia limited to the mesentery.

An entire, female, mixed-breed cat of unknown age was presented with a 6-week history of lethargy, anorexia and vomiting. There was an increase in the number of white blood cells in the blood, including neutrophils and eosinophils; moderate anaemia; ascites; and possible mesenteric peritonitis. Exploratory laparotomy revealed firm, multifocal small nodules in the mesentery. As the nodules were surgically unresectable, they were biopsied. Histologically, the nodules were composed of thin trabeculae of dense collagen fibres mixed with plump fibroblasts and numerous eosinophils, consistent with feline gastrointestinal eosinophilic sclerosing fibroplasia. Bacteria were not detected on histological examination of the nodules and cytology of the ascites. Remission of disease occurred following treatment with prednisolone and ciclosporin A for 22 days and antibiotics for 40 days. After remission, ciclosporin A was administered for 236 days and then discontinued. Eosinophilia also resolved after treatment with ciclosporin A. The cat is still alive and in good condition on day 689. This report describes what may be an atypical case of feline gastrointestinal eosinophilic sclerosing fibroplasia, lacking involvement of the gastrointestinal tract, and was apparently cured by treatment that involved ciclosporin A.