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https://www.readbyqxmd.com/read/28619768/liquorice-induced-hypokalaemia-in-patients-treated-with-yokukansan-preparations-identification-of-the-risk-factors-in-a-retrospective-cohort-study
#1
Saori Shimada, Tetsuaki Arai, Akira Tamaoka, Masato Homma
OBJECTIVE: To evaluate serum potassium levels and rates of hypokalaemia in patients treated with liquorice-containing Japanese traditional Kampo-medicines Yokukansan (YK) and Yokukansan-ka-chinpihange (YKCH). DESIGN: Retrospective cohort study. SETTING: Patients receiving YK preparations for dementia and other psychiatric disorders in the University of Tsukuba Hospital in Japan. PARTICIPANTS: 389 patients (male/female: 174/215, 68...
June 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28591818/yokukansan-for-the-treatment-of-preoperative-anxiety-and-postoperative-delirium-in-colorectal-cancer-patients-a-retrospective-study
#2
Saho Wada, Hironobu Inoguchi, Takatoshi Hirayama, Yutaka J Matsuoka, Yosuke Uchitomi, Hiroki Ochiai, Shunsuke Tsukamoto, Dai Shida, Yukihide Kanemitsu, Ken Shimizu
Background: Yokukansan (YKS), a Japanese traditional herbal medicine for neurosis and insomnia, is speculated to be useful for perioperative psychiatric symptoms in cancer patients, but there exists little empirical evidence. This study provides preliminary data about the efficacy, feasibility, and side effects of YKS for the treatment of preoperative anxiety and postoperative delirium in cancer patients. Methods: We retrospectively reviewed the medical records of colorectal cancer patients who took YKS for preoperative anxiety, evaluating the following: (1) patient characteristics, (2) feasibility of taking YKS, (3) changes in preoperative anxiety based on the Clinical Global Impression (CGI) scale and Edmonton Symptom Assessment System-revised (ESAS-r-anxiety), (4) incidence of postoperative delirium and (5) YKS-related side effects...
June 7, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28491038/yokukansan-and-yokukansankachimpihange-ameliorate-aggressive-behaviors-in-rats-with-cholinergic-degeneration-in-the-nucleus-basalis-of-meynert
#3
Masahiro Tabuchi, Keita Mizuno, Kazushige Mizoguchi, Tomohisa Hattori, Yoshio Kase
Yokukansan (YKS) and yokukansankachimpihange (YKSCH) are traditional Japanese Kampo medicines. The latter comprises YKS along with the medicinal herbs Citrus unshiu peel and Pinellia tuber. Both of these Kampo medicines are indicated for the treatment of night crying and irritability in children and for neurosis and insomnia in adults. In recent clinical trials, YKS exhibited ameliorative effects on the behavioral and psychological symptoms of dementia, such as aggressiveness, excitement, and irritability. In the present study, we aimed to clarify the involvement of cholinergic degeneration in the nucleus basalis of Meynert (NBM) in the development of aggressiveness in rats...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28377723/multiple-psychopharmacological-effects-of-the-traditional-japanese-kampo-medicine-yokukansan-and-the-brain-regions-it-affects
#4
REVIEW
Kazushige Mizoguchi, Yasushi Ikarashi
Yokukansan (YKS), a traditional Japanese Kampo medicine, has indications for use in night crying and irritability in children, as well as neurosis and insomnia. It is currently also used for the remedy of the behavioral and psychological symptoms of dementia (BPSD), such as aggressiveness, agitation, and hallucinations. In parallel with clinical evidence, a significant amount of fundamental researches have been undertaken to clarify the neuropsychopharmacological efficacies of YKS, with approximately 70 articles, including our own, being published to date...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28376888/daily-administration-of-yokukansan-and-keishito-prevents-social-isolation-induced-behavioral-abnormalities-and-down-regulation-of-phosphorylation-of-neuroplasticity-related-signaling-molecules-in-mice
#5
COMPARATIVE STUDY
Hironori Fujiwara, Yaoyu Han, Ken Ebihara, Suresh Awale, Ryota Araki, Takeshi Yabe, Kinzo Matsumoto
BACKGROUND: Our previous studies demonstrated that post-weaning social isolation (ISO) in mice induces behavior abnormalities such as deficits of sociability- and attention-like behaviors. These deficits can be attenuated by methylphenidate (MPH), a drug used for attention deficit hyperactivity disorder (ADHD), suggesting that ISO mice offer a potential animal model of comorbid developmental disorder with ADHD and autism spectrum disorder symptoms. This study investigated the effects of Kampo formulae, yokukansan (YKS) and keishito (KST), on the neuropsychiatric symptoms of ISO mice to clarify the therapeutic or preventive/delaying potential of these formulae for the treatment of neurodevelopmental disorders...
April 4, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28360524/antistress-effects-of-kampo-medicine-yokukansan-via-regulation-of-orexin-secretion
#6
Haruto Katahira, Masataka Sunagawa, Daishi Watanabe, Yasuaki Kanada, Ayami Katayama, Risa Yamauchi, Masashi Takashima, Shintaro Ishikawa, Tadashi Hisamitsu
OBJECTIVE: Various stressors induce stress responses through the hypothalamic-pituitary-adrenal and the sympathetic-adrenal-medullary axes, which are regulated, in part, by orexin. For example, secretion of orexin in the hypothalamus is increased in rats exposed to the stress of social isolation for 1 week. In this study, the antistress effects of Kampo medicine Yokukansan (YKS) via the regulation of orexin secretion were investigated using a rat model. METHODS AND RESULTS: The administration of 300 mg/kg per day of YKS to rats for 1 week significantly decreased the plasma orexin levels compared with non-treated rats, whereas the administration of 1,000 mg/kg of YKS had no effect on orexin levels...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28322152/serotonin-receptor-binding-characteristics-of-geissoschizine-methyl-ether-an-indole-alkaloid-in-uncaria-hook
#7
Yasushi Ikarashi, Kyoji Sekiguchi, Kazushige Mizoguchi
Geissoschizine methyl ether (GM) is one of the indole alkaloids in Uncaria hook, and an active ingredient of yokukansan (YKS) that improves behavioral and psychological symptoms of dementia (BPSD) in patients with several types of dementia. The pharmacological action of GM has been related to various serotonin (5-HT) receptor subtypes. Here we describe previous findings and our own data to review the binding characteristics of GM to the 5-HT receptor subtypes. Competitive receptor-binding assays showed that GM bound the following 5-HT receptor subtypes: 5-HT1A, 5-HT1B, 5-HT2A, 5-HT2B, 5-HT2C, 5-HT4, 5-HT5A, 5-HT6, and 5-HT7...
March 20, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28171868/incidence-and-risk-factors-of-postoperative-delirium-following-pancreatic-surgery-does-the-administration-of-tj-54-reduce-the-incidence-of-delirium
#8
Shugo Mizuno, Sachie Takeuchi, Masashi Kishiwada, Noriko Mizutani, Mikiko Matsuda, Noriko Sekoguchi, Yusuke Iizawa, Yoshinori Azumi, Naohisa Kuriyama, Masanobu Usui, Hiroyuki Sakurai, Kazuo Maruyama, Masahiro Okuda, Motohiro Okada, Shuji Isaji
PURPOSES: To clarify the incidence and risk factors of postoperative delirium in patients following pancreatic surgery, and the impact of yokukansan (TJ-54) administered to reduce delirium. METHODS: Fifty-nine consecutive patients who underwent pancreatic surgery (2012.4-2013.5) were divided into 2 groups: TJ-54 group: patients who received TJ-54 (n = 21) due to insomnia and the No-TJ-54 group: patients who did not receive TJ-54 (n = 38), and the medical records including the delirium rating scale - Japanese version (DRS-J) were retrospectively reviewed...
February 8, 2017: Digestive Surgery
https://www.readbyqxmd.com/read/28053886/yokukansan-enhances-the-proliferation-of-b65-neuroblastoma
#9
Yoshihiko Nakatani, Taku Amano, Hikaru Yamamoto, Norio Sakai, Minoru Tsuji, Hiroshi Takeda
Yokukansan, a traditional Japanese herbal medicine, has been considered to be a novel alternative treatment for several neurological diseases such as neurodegenerative disorders, as well as neurosis, insomnia, and behavioral and psychological symptoms in Alzheimer's disease. Moreover, it has been shown that yokukansan has antidepressant-like and pain-relieving effects in animal models. Recently, several studies have shown that yokukansan has a neuroprotective effect. In this study, we focused on whether or no yokukansan influences cell proliferation related to cell-cycle progression by using B65 neuroblastoma cells derived from monoaminergic neurons...
January 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/27899689/herbal-medicine-for-management-of-the-behavioural-and-psychological-symptoms-of-dementia-bpsd-a-systematic-review-and-meta-analysis
#10
Anna J Hyde, Brian H May, Lin Dong, Mei Feng, Shaonan Liu, Xinfeng Guo, Anthony Lin Zhang, Chuanjian Lu, Charlie Changli Xue
Management of the behavioural and psychological symptoms of dementia remains a challenge worldwide. Herbal medicines may play a role in the development of new interventions. To determine effects of herbal medicines for management of the behavioural and psychological symptoms of dementia, meta-analysis was conducted of 31 controlled trials (3613 participants). Frequently tested herbal medicines were the Ginkgo biloba leaf extract EGb 761 (seven studies) and the multi-ingredient formula Yokukansan (eight studies)...
February 2017: Journal of Psychopharmacology
https://www.readbyqxmd.com/read/27890870/improving-the-quality-of-postgraduate-education-in-traditional-japanese-kampo-medicine-for-junior-residents-an-exploratory-survey-conducted-in-five-institutions-in-the-tohoku-area
#11
Shin Takayama, Seiichi Kobayashi, Soichiro Kaneko, Masao Tabata, Shinya Sato, Keiichi Ishikawa, Saya Suzuki, Ryutaro Arita, Natsumi Saito, Tetsuharu Kamiya, Hitoshi Nishikawa, Yuka Ikeno, Junichi Tanaka, Minoru Ohsawa, Akiko Kikuchi, Takehiro Numata, Hitoshi Kuroda, Michiaki Abe, Satoru Ishibashi, Nobuo Yaegashi, Tadashi Ishii
Traditional Japanese (Kampo) medicine has been widely applied in general medicine in Japan. In 2001, the model core curriculum for Japanese medical education was revised to include Kampo medicine. Since 2007, all 80 Japanese medical schools have incorporated it within their programs. However, postgraduate training or instruction of Kampo medicine has not been recognized as a goal for the clinical training of junior residents by Japan's Ministry of Health, Labour and Welfare; little is known about postgraduate Kampo medicine education...
2016: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/27700077/semisynthesis-and-structure-activity-studies-of-uncarinic-acid-c-isolated-from-uncaria-rhynchophylla-as-a-specific-inhibitor-of-the-nucleation-phase-in-amyloid-%C3%AE-42-aggregation
#12
Takuya Yoshioka, Kazuma Murakami, Kyohei Ido, Mizuho Hanaki, Kanoko Yamaguchi, Satohiro Midorikawa, Shinji Taniwaki, Hiroki Gunji, Kazuhiro Irie
Oligomers of the 42-mer amyloid-β protein (Aβ42), rather than fibrils, cause synaptic dysfunction in the pathology of Alzheimer's disease (AD). The nucleation phase in a nucleation-dependent aggregation model of Aβ42 is related to the formation of oligomers. Uncaria rhynchophylla is one component of "Yokukansan", a Kampo medicine, which is widely used for treating AD symptoms. Previously, an extract of U. rhynchophylla was found to reduce the aggregation of Aβ42, but its active principles have yet to be identified...
October 28, 2016: Journal of Natural Products
https://www.readbyqxmd.com/read/27582327/the-effect-of-yokukansan-a-traditional-herbal-preparation-used-for-the-behavioral-and-psychological-symptoms-of-dementia-on-the-drug-metabolizing-enzyme-activities-in-healthy-male-volunteers
#13
Hiromi Soraoka, Kentaro Oniki, Kazuki Matsuda, Tatsumasa Ono, Kosuke Taharazako, Yoshihiro Uchiyashiki, Ryoko Kamihashi, Ayana Kita, Ayaka Takashima, Kazuko Nakagawa, Norio Yasui-Furukori, Daisuke Kadowaki, Keishi Miyata, Junji Saruwatari
The concomitant use of herb and prescription medications is increasing globally. Herb-drug interactions are therefore a clinically important problem. Yokukansan (YKS), a Japanese traditional herbal medicine, is one of the most frequently used herbal medicines. It is effective for treating the behavioral and psychological symptoms of dementia. We investigated the potential effects of YKS on drug-metabolizing enzyme activities in humans. An open-label repeat-dose study was conducted in 26 healthy Japanese male volunteers (age: 22...
2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27497482/yokukansan-in-the-treatment-of-behavioral-and-psychological-symptoms-of-dementia-an-updated-meta-analysis-of-randomized-controlled-trials
#14
Shinji Matsunaga, Taro Kishi, Nakao Iwata
BACKGROUND: Previous clinical studies found that yokukansan has a therapeutic effect on behavioral and psychological symptoms of dementia (BPSD) in dementia patients. OBJECTIVE: To perform an updated meta-analysis of randomized controlled trials (RCTs) testing yokukansan for patients with BPSD. METHODS: Primary efficacy and safety endpoints were BPSD total scores and all-cause discontinuation, respectively. Secondary outcomes were BPSD subscales, cognitive function scores [Mini-mental state examination (MMSE)], activities of daily living (ADL) scores, discontinuation due to adverse events (AEs), and incidences of AEs...
September 6, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/27373856/neuropharmacological-efficacy-of-the-traditional-japanese-kampo-medicine-yokukansan-and-its-active-ingredients
#15
REVIEW
Yasushi Ikarashi, Kazushige Mizoguchi
Dementia is a progressive neurodegenerative disorder with cognitive dysfunction, and is often complicated by behavioral and psychological symptoms of dementia (BPSD) including excitement, aggression, and hallucinations. Typical and atypical antipsychotics are used for the treatment of BPSD, but induce adverse events. The traditional Japanese Kampo medicine yokukansan (YKS), which had been originated from the traditional Chinese medicine Yi-Gan-San, has been reported to improve BPSD without severe adverse effects...
October 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27245118/influences-of-yokukansankachimpihange-on-aggressive-behavior-of-zinc-deficient-mice-and-actions-of-the-ingredients-on-excessive-neural-exocytosis-in-the-hippocampus-of-zinc-deficient-rats
#16
Haruna Tamano, Enya Yusuke, Kazuki Ide, Atsushi Takeda
We examined the effect of Yokukansankachimpihange (YKSCH), a form of Yokukansan containing parts of two herbaceous plants, Citrus Unshiu Peel (Chimpi) and Pinellia Tuber (Hange), on aggressive behavior of mice housed individually. Mice were fed a zinc-deficient diet for 2 weeks. In a resident-intruder test, the cumulative duration of aggressive behavior was decreased in zinc-deficient mice administrated drinking water containing YKSCH (approximately 300 mg/kg body weight/day) for 2 weeks. We tested mice for geissoschizine methyl ether (GM), which is contained in Uncaria Hook, and 18β-glycyrrhetinic acid (GA), a major metabolite of glycyrrhizin contained in Glycyrrhiza, which were contained in YKS and YKSCH...
November 1, 2016: Experimental Animals
https://www.readbyqxmd.com/read/27114061/geissoschizine-methyl-ether-protects-oxidative-stress-mediated-cytotoxicity-in-neurons-through-the-neuronal-warburg-effect
#17
Jiahong Sun, Xuefang Ren, Wen Qi, Dan Yuan, James W Simpkins
ETHNOPHARMACOLOGICAL RELEVANCE: The rate of production of reactive oxygen species (ROS) is determined by mitochondrial metabolic rate. In turn, excessive ROS damage mitochondrial function, which is linked to aging and neurodegenerative conditions. One possible path to prevent oxidative stress could be achieved by reducing mitochondrial respiration in favor of less efficient ATP production via glycolysis. Such a shift in energy metabolism is known as the 'Warburg effect'. Geissoschizine methyl ether (GM) is one of the active components responsible for the psychotropic effects of Yokukansan, an herbal preparation widely used in China and Japan...
July 1, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27071791/effects-of-yokukansan-a-japanese-kampo-medicine-for-symptoms-associated-autism-spectrum-disorder
#18
Rei Wake, Tsuyoshi Miyaoka, Motohide Furuya, Sadayuki Hashioka, Jun Horiguchi
A neuropsychiatric syndrome, Autism spectrum disorder (ASD) is qualified via impairments in qualitative communication, social interaction, and stereotyped or restricted, repetitive patterns of behavior, interests, or activities. While all ASDs are considered to have qualitative deficits in social relatedness to others, many people with ASDs have other symptoms, including irritability (which includes aggression, self-injurious behavior, and severe tantrums). In order to decrease these behaviors, it is often helpful to make use of behavioral therapy...
2016: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/27042075/yokukansan-improves-behavioral-and-psychological-symptoms-of-dementia-by-suppressing-dopaminergic-function
#19
Kenji Takeyoshi, Masatake Kurita, Satoshi Nishino, Mika Teranishi, Yukio Numata, Tadahiro Sato, Yoshiro Okubo
Although three drugs, risperidone, yokukansan, and fluvoxamine, have shown equal efficacy in treating behavioral and psychological symptoms of dementia (BPSD) in our previous study, their mechanisms of action are different from one another. Monoamines have attracted attention for their key roles in mediating several behavioral symptoms or psychological symptoms through synaptic signaling. We aimed to clarify the monoamines changed by treatment with each drug in patients with BPSD. The main purpose of this study was to determine whether plasma levels of catecholamine metabolites are correlated with pharmacological treatments...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/26809301/-kampo-medicine-in-perioperative-care-for-cancer-patients
#20
Koji Nishijima, Genichi Nishimura
Operative stress causes various changes in the body, and immunological hypofunction and malnutrition increase complications and adversely affect long-term prognosis. Therefore, reducing operative stress as much as possible, minimizing complications after surgery, and aiming for a satisfactory postoperative course are important. However, difficult and unresolvable situations often arise when only the conventional Western medicine approach is used because the situation and condition varies for each patient. We believe that Kampo medicine is very useful in diverse situations...
December 2015: Gan to Kagaku Ryoho. Cancer & Chemotherapy
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