1.The Kashima Scan Study 2: a protocol for a prospective observational cohort study of cerebral small vessel disease in neurologically healthy adults.
Kohei SUZUYAMA ; Yusuke YAKUSHIJI ; Akiko MATSUMOTO ; Toshihiro IDE ; Mikiko TOKIYA ; Atsushi OGATA ; Junko NAKAJIMA ; Tatsumi HIROTSU ; Shuhei IKEDA ; Tatsuya DOYAMA ; Masayasu MORIKAWA ; Yuta GOTO ; Yoshiko KATSUKI ; Kazuhiro KAWAMOTO ; Yoshimasa ODA ; Haruki KOIKE ; Hideo HARA
Environmental Health and Preventive Medicine 2025;30():52-52
BACKGROUND:
Our previous observational cohort study, the Kashima Scan Study (KSS), identified associations between lifestyle, cerebral small vessel disease (SVD) as detected by magnetic resonance imaging of the brain, and disease outcomes including cognitive impairment and vascular diseases. However, established modifiers of the outcomes such as genetic background, drinking and exercise habits, and socioeconomic status were not considered. Regarding genetic factors in particular, the ALDH2 rs671 variant, East Asian-specific diversity, and APOE status are expected to have strong effects. The aim of KSS-2 is to examine the interactions of genetic background, lifestyle factors including drinking habit, socioeconomic status, and/or SVD markers for cognitive impairment, vascular disease, and death.
METHOD:
The KSS-2 is a prospective regional observational study of a healthy Japanese cohort that will clarify lifestyle habits to better maintain brain health from midlife by genotype. Japanese adults who underwent brain health checkups at their own expense are enrolled and will be followed-up for 10 years. We will extend the protocol of the KSS to include genetic background and potential confounding factors, including lifestyle (including drinking and exercise habit) and socioeconomic status, and perform survival analyses. The study outcomes are cognitive impairment, vascular events, and death.
RESULTS:
We enrolled 908 healthy adults (mean age 64.2 years; range 35 to 84 years; 41% male) from September 1, 2018 until December 31, 2024.
CONCLUSION
This study will provide important insights into the development of individualized health intervention strategies.
Adult
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Aged
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Aged, 80 and over
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Female
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Humans
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Male
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Middle Aged
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Cerebral Small Vessel Diseases/diagnostic imaging*
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Japan/epidemiology*
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Life Style
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Magnetic Resonance Imaging
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Prospective Studies
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Observational Studies as Topic
2.Recommendations for Conducting Post-Marketing Database Study in Japan Based on the Critical Appraisal of Published Articles from Overseas Real-World Data (RWD) Analyses
Shinichi MATSUDA ; Nobuyuki FUKADA ; Masahito OISHI ; Hiroaki OKA ; Ryousuke HARA ; Ai KOJIMA ; Shun NAKANO ; Katsuaki MOTOYOSHI ; Shigeki IGARASHI ; Yuko SASAKI ; Natsuko KAMEYAMA ; Kazuhiro KUBOTA
Japanese Journal of Pharmacoepidemiology 2021;26(1):41-54
Real-world data (RWD), such as a health insurance claim database and electronic medical record database, which records daily medical care information, is one of the most important data sources in pharmacoepidemiological studies. In Japan, a post-marketing database study has been added as a new category of post-marketing surveillance since April 2018. It is expected that the post-marketing database studies will be conducted in the actual risk management plan; however, at this point, few have reached the stage of publishing study results. On the other hand, overseas, many database research results using RWD have already been reported. Although it is necessary to keep in mind that there are differences in the characteristics of the databases (e.g., data contents, structures) and the differences in the medical environment between overseas and Japan, we think that critically reviewing these reports has a reference value for the planning, execution, and interpretation of the results in performing post-marketing database studies in Japan. The purpose of this report is to examine the characteristics and cautions of the database studies through a critical review of published articles of overseas RWD studies and to make recommendations that are useful for conducting post-marketing database studies in Japan. We hope this article will become a help in the planning and implementation of future post-marketing database studies.
3.Research for Recognition of Pharmaceutical Companies toward the Effective Use of “Drug Guide for Patients” as Package Inserts for Patients
Hirohisa DOI ; Rina ITO ; Azusa HARA ; Kazuhiro ASADA ; Michiko YAMAMOTO
Japanese Journal of Drug Informatics 2019;21(3):116-125
Objective: “Drug Guide for Patients” (DGP) is a drug information tool designated as one of the routine risk minimization activities in risk management plan (RMP) developed by the Ministry of Health, Labour and Welfare. However, patients and their families hardly recognize DGP. Therefore, we administered a questionnaire on drug consultation service of pharmaceutical companies that provide DGP with an aim to collect their views, elucidate problems when they prepare DGPs and examine effective utilization of DGP in the future.Methods: We sent a questionnaire by letter for 127 drug consultation service of pharmaceutical companies, and received questionnaire results using “Questant” that is web questionnaire making software. The results were examined using Fisher’s exact test or Pearson’s chi-squared test.Results: We obtained responses from 84 (66.1%) companies out of 127. As for the question of the published situation of DGP on their website, the most companies responded “Not published” with 47.6% and subsequently 41.7% for “Published for healthcare professionals”. The combined rate of “Published for Patients (3.6%)” and “Published for both healthcare professionals and patients (7.1%)” was only 10.7%. On the other hand, regarding the burden of companies making DGP, we found that more than 60% of pharmaceutical companies (63.5%) felt burdensome, whereas only 36.5% responded “Not burdensome.” Regarding the question on the role of DGP in RMP, pharmaceutical companies answered that the role is “sufficient” 3.6%, 29.8% “not sufficient”, and 66.6% “unknown”.Conclusion: Our results suggested that it is difficult for patients to get DGP from website of pharmaceutical companies and pharmaceutical companies felt burdensome in making DGP, and they recognized that DGP was not very much utilized by patients. Therefore, it would be necessary to improve the creation criteria of DGP. Furthermore, we felt it necessary to have the DGP known and utilized widely by (consumers and) patients.
4.Clinical and Imaging Features of Multiple System Atrophy: Challenges for an Early and Clinically Definitive Diagnosis
Hirohisa WATANABE ; Yuichi RIKU ; Kazuhiro HARA ; Kazuya KAWABATA ; Tomohiko NAKAMURA ; Mizuki ITO ; Masaaki HIRAYAMA ; Mari YOSHIDA ; Masahisa KATSUNO ; Gen SOBUE
Journal of Movement Disorders 2018;11(3):107-120
Multiple system atrophy (MSA) is an adult-onset, progressive neurodegenerative disorder. Patients with MSA show various phenotypes during the course of their illness, including parkinsonism, cerebellar ataxia, autonomic failure, and pyramidal signs. Patients with MSA sometimes present with isolated autonomic failure or motor symptoms/signs. The median duration from onset to the concomitant appearance of motor and autonomic symptoms is approximately 2 years but can range up to 14 years. As the presence of both motor and autonomic symptoms is essential for the current diagnostic criteria, early diagnosis is difficult when patients present with isolated autonomic failure or motor symptoms/signs. In contrast, patients with MSA may show severe autonomic failure and die before the presentation of motor symptoms/signs, which are currently required for the diagnosis of MSA. Recent studies have also revealed that patients with MSA may show nonsupporting features of MSA such as dementia, hallucinations, and vertical gaze palsy. To establish early diagnostic criteria and clinically definitive categorization for the successful development of disease-modifying therapy or symptomatic interventions for MSA, research should focus on the isolated phase and atypical symptoms to develop specific clinical, imaging, and fluid biomarkers that satisfy the requirements for objectivity, for semi- or quantitative measurements, and for uncomplicated, worldwide availability. Several novel techniques, such as automated compartmentalization of the brain into multiple parcels for the quantification of gray and white matter volumes on an individual basis and the visualization of α-synuclein and other candidate serum and cerebrospinal fluid biomarkers, may be promising for the early and clinically definitive diagnosis of MSA.
Biomarkers
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Brain
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Cerebellar Ataxia
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Cerebrospinal Fluid
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Dementia
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Diagnosis
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Early Diagnosis
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Hallucinations
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Humans
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Multiple System Atrophy
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Neurodegenerative Diseases
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Paralysis
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Parkinsonian Disorders
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Phenotype
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White Matter
5.Infectious peritonitis after endoscopic ultrasound-guided biliary drainage in a patient with ascites
Nozomi OKUNO ; Kazuo HARA ; Nobumasa MIZUNO ; Takamichi KUWAHARA ; Hiromichi IWAYA ; Masahiro TAJIKA ; Tsutomu TANAKA ; Makoto ISHIHARA ; Yutaka HIRAYAMA ; Sachiyo ONISHI ; Kazuhiro TORIYAMA ; Ayako ITO ; Naosuke KURAOKA ; Shimpei MATSUMOTO ; Masahiro OBATA ; Muneji YASUDA ; Yusuke KURITA ; Hiroki TANAKA ; Yasumasa NIWA
Gastrointestinal Intervention 2018;7(1):40-43
SUMMARY OF EVENT: Bacterial, mycotic peritonitis and Candida fungemia developed in a patient with moderate ascites who had undergone endoscopic ultrasound-guided biliary drainage (EUS-BD). Antibiotics and antifungal agent were administered and ascites drainage was performed. Although the infection improved, the patient's general condition gradually deteriorated due to aggravation of the primary cancer and he died. TEACHING POINT: This is the first report to describe infectious peritonitis after EUS-BD. Ascites carries the potential risk of severe complications. As such, in patients with ascites, endoscopic retrograde cholangiopancreatography (ERCP) is typically preferred over EUS-BD or percutaneous drainage to prevent bile leakage. However, ERCP may not be possible in some patients with tumor invasion of the duodenum or with surgically altered anatomy. Thus, in patients with ascites who require EUS-BD, we recommend inserting the drainage tube percutaneously and draining the ascites before and after the intervention in order to prevent severe infection.
Anti-Bacterial Agents
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Ascites
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Bile
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Candida
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Cholangiopancreatography, Endoscopic Retrograde
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Drainage
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Duodenum
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Endosonography
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Fungemia
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Humans
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Peritonitis


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