1.Applied Data Mining of the FDA Adverse Event Reporting System, FAERS, and the Japanese Adverse Drug Event Report Database, JADER: Signal Detection of Adverse Events by New Quinolones
Kouichi Hosomi ; Mari Arai ; Mai Fujimoto ; Mitsutaka Takada
Japanese Journal of Drug Informatics 2015;17(1):15-20
Objective: Signal detection by analyzing adverse event spontaneous report databases is used to monitor drug safety. One of the major spontaneous report databases is the FDA Adverse Event Reporting System (FAERS). Recently, the Japanese Adverse Drug Event Report database (JADER) was released. To compare FAERS and JADER, we calculated the signals of adverse events by new quinolones (NQs).
Methods: We extracted reports of adverse events by NQs from FAERS and JADER, and analyzed them using the ROR data mining algorithm. Thirteen kinds of NQs were extracted, and the terms of adverse events extracted were defined by MedDRA.
Results: There were 35,990,645 reports in FAERS and 1,643,404 reports in JADER. Significant RORs were found for hypersensitivity (FAERS: 1.78, JADER: 1.47), arrhythmia (1.07, 0.68), hypoglycemia (1.80, 2.03), hyperglycemia (0.72, 0.78), rhabdomyolysis (1.01, 0.78), tendon disorders (15.18, 6.59), psychiatric symptoms (1.12, 0.45) and convulsion (0.99, 1.31). We identified 4 types of adverse events by comparing FAERS and JADER: 1) Signal detection in both, 2) No signal detection in either, 3) Signal detection only in FAERS, 4) Signal detection only in JADER.
Conclusion: Analyzing spontaneous report databases has several limitations, but is still a valuable tool for identifying potential associations between drugs and adverse events. Spontaneous report databases may also be useful for detecting differences in adverse events between different races, countries and regions.
2.Effect of tramadol on cancer pain in a patient with advanced endometrial carcinoma and myasthenia gravis: a case report
Yoshihiro Yamamoto ; Maki Todo ; Kikuyo Nishida ; Keita Iwasaki ; Chiharu Suzuki ; Miki Kondo ; Shoko Kinoshita ; Kazuyo Kanbara ; Hiromitsu Yabushita ; Akihiko Wakatsuki ; Katsuhiko Matsuura ; Mari Nishihara ; Kenichi Arai
Palliative Care Research 2013;8(2):570-574
Introduction: Tramadol (TRM) has been included as a weak opioid at the second step of the WHO analgesic ladder and has been widely used in palliative medicine. Here we report a case of amelioration of cancer pain by TRM therapy in a female patient with myasthenia gravis (MG). Case:The patient was a 70’s woman who was diagnosed with advanced endometrial carcinoma and suffered from chest pain caused by chest metastasis. 25 mg of a TRM capsule was orally administered three times a day. The dose was increased to 50 mg twice a day. It was resulted in sound pain relief with transient muscle weakness but without a myasthenic crisis.
3.Single fecal microbiota transplantation failed to change intestinal microbiota and had limited effectiveness against ulcerative colitis in Japanese patients.
Shinta MIZUNO ; Kosaku NANKI ; Katsuyoshi MATSUOKA ; Keiichiro SAIGUSA ; Keiko ONO ; Mari ARAI ; Shinya SUGIMOTO ; Hiroki KIYOHARA ; Moeko NAKASHIMA ; Kozue TAKESHITA ; Makoto NAGANUMA ; Wataru SUDA ; Masahira HATTORI ; Takanori KANAI
Intestinal Research 2017;15(1):68-74
BACKGROUND/AIMS: Recent developments in analytical techniques including next-generation sequencing have clarified the correlation between intestinal microbiota and inflammatory bowel disease. Fecal microbiota transplantation (FMT) for patients with ulcerative colitis (UC) is proposed as a potential approach to resolving their dysbiosis; however, its safety and efficacy have not been confirmed. This single-arm, open-label, non-randomized study aimed to evaluate the safety and efficacy of FMT for Japanese patients with UC as the first registered clinical trial in Japan. METHODS: We enrolled 10 patients with active UC despite medical therapy. The donors were the patients' relatives and were carefully screened for infectious diseases. Fecal material was administered via colonoscopy, and the primary endpoint was the presence or absence of serious adverse events related to FMT. The secondary endpoint was a change in partial Mayo score at 12 weeks post-FMT. Scores ≤2 were considered a clinical response. Fecal samples were collected to follow changes in gut microbiota, while extracted complementary DNA were analyzed by a next-generation sequencer. We obtained written informed consent from all patients and donors. This study was approved by our Institutional Review Board and is registered in the University hospital Medical Information Network (UMIN) Clinical Trials Registry (UMIN 000012814). RESULTS: Five patients with moderate disease and five with severe disease were enrolled. No severe adverse effects were observed. One patient achieved clinical response; however, none of the patients' microbiota diversity recovered to the donor levels. CONCLUSIONS: The use of single FMT for UC was safe; however, we failed to show its clinical efficacy and potential to change the intestinal microbiota.
Asian Continental Ancestry Group*
;
Colitis, Ulcerative*
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Colonoscopy
;
Communicable Diseases
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DNA, Complementary
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Dysbiosis
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Ethics Committees, Research
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Fecal Microbiota Transplantation*
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Gastrointestinal Microbiome*
;
Humans
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Inflammatory Bowel Diseases
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Information Services
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Informed Consent
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Japan
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Microbiota
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Tissue Donors
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Treatment Outcome
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Ulcer*
4.Fecal microbiota transplantation for recurrent Clostridium difficile infection in a patient with ulcerative colitis
Kosaku NANKI ; Shinta MIZUNO ; Katsuyoshi MATSUOKA ; Keiko ONO ; Shinya SUGIMOTO ; Hiroki KIYOHARA ; Mari ARAI ; Moeko NAKASHIMA ; Kozue TAKESHITA ; Keiichiro SAIGUSA ; Mitsutoshi SENOH ; Tadashi FUKUDA ; Makoto NAGANUMA ; Haru KATO ; Wataru SUDA ; Masahira HATTORI ; Takanori KANAI
Intestinal Research 2018;16(1):142-146
Fecal microbiota transplantation (FMT) has been reported as a safe and effective therapy in patients with refractory and recurrent Clostridium difficile infection (CDI). FMT has also been reported as a promising therapy in patients with ulcerative colitis (UC). Both, CDI and UC, are believed to be caused by dysbiosis, such as altered compositions or decreased diversity of the intestinal microbiota. This report describes a patient with UC in remission with a second recurrent episode of CDI, who was treated with FMT. A single FMT performed via colonoscopy completely resolved the patient's diarrhea and eradicated C. difficile bacteriologically without any severe complications. Molecular biological analysis of the patient's fecal microbiota showed that FMT could dramatically change the altered composition of intestinal microbiota and restore its diversity. Despite the restoration of the intestinal microbiota, FMT could not prevent a relapse of UC in this patient. However, it improved the intestinal symptoms of CDI and could prevent further recurrences of CDI.
Clostridium difficile
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Clostridium
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Colitis, Ulcerative
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Colonoscopy
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Diarrhea
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Dysbiosis
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Fecal Microbiota Transplantation
;
Gastrointestinal Microbiome
;
Humans
;
Microbiota
;
Recurrence
;
Ulcer