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Journal of Pharmaceutical Health Care and Sciences

Toshinori Hirai, Ryuichi Ogawa, Ryosuke Yamaga, Toshimasa Itoh
Background: S-1 (a combination of tegafur, gimeracil, and oteracil) is used to treat various cancers. Bone marrow suppression is a dose-limiting toxicity of S-1. The relationship between relative dose intensity (RDI) and bone marrow suppression has not been investigated. Hence, we aimed to elucidate the threshold for RDI to identify bone marrow suppression induced by S-1. Methods: In this retrospective cohort study, patients who initiated S-1 treatment at Tokyo Women's Medical University, Medical Center East between June 2015 and June 2017 were included...
2018: Journal of Pharmaceutical Health Care and Sciences
Masahiro Kondo, Taku Naiki, Yuji Hotta, Yuko Yamamoto, Yosuke Sugiyama, Takahiro Yasui, Kazunori Kimura
Background: To our knowledge, no studies have evaluated the safety of carboplatin (CBDCA)-based chemotherapy in hemodialysis patients > 80 years-old. In addition, the impact of CBDCA-based chemotherapy on such elderly patients' quality of life (QOL) is unknown. We report a case of gemcitabine plus CBDCA chemotherapy treatment in an 81-year-old man with metastatic urothelial carcinoma undergoing hemodialysis. Case presentation: The optimal CBDCA dose and hemodialysis timing were determined by monitoring the measured area under the concentration-time curve (AUC) of CBDCA...
2018: Journal of Pharmaceutical Health Care and Sciences
Takahiro Ito, Kazuhiro Yamamoto, Fuminori Ohsawa, Ikuo Otsuka, Akitoyo Hishimoto, Ichiro Sora, Midori Hirai, Ikuko Yano
Background: Risperidone is mainly metabolized by cytochrome P450 (CYP) 2D6 in the liver. The gene encoding CYP2D6 is highly polymorphic. The average steady-state plasma concentration of risperidone active moiety is higher in the CYP2D6 intermediate metabolizers (IMs) compared with that in the extensive metabolizers (EMs). An association between drug-induced extrapyramidal symptoms scale (DIEPSS) score and CYP2D6 polymorphisms has not been reported to date. This study investigates the association of CYP2D6 polymorphisms with the severity of extrapyramidal symptoms in schizophrenia patients receiving risperidone therapy...
2018: Journal of Pharmaceutical Health Care and Sciences
Satsuki Hashimoto, Kyoko Honda, Kohei Fujita, Yuka Miyachi, Kazuya Isoda, Ko Misaka, Yukio Suga, Satoshi Kato, Hiroyuki Tsuchiya, Yukio Kato, Masaki Okajima, Takumi Taniguchi, Tsutomu Shimada, Yoshimichi Sai
Background: Combination therapy of linezolid (LZD) and rifampicin (RFP) may be more effective than monotherapy for treating gram-positive bacterial infections, but several studies have suggested that RFP decreases LZD exposures, thereby increasing the risk of therapeutic failure and emergence of LZD-resistant strains. However, the mechanism of the drug-drug interaction between LZD and RFP is unknown. Methods: We conducted a prospective, open-label, uncontrolled clinical study in Japanese patients receiving LZD and RFP to evaluate the effect of coadministered RFP on the concentration of LZD...
2018: Journal of Pharmaceutical Health Care and Sciences
Yoshihito Morimoto, Kumika Miyawaki, Reisuke Seki, Kazuhiro Watanabe, Masayoshi Hirohara, Takao Shinohara
Background: Vinorelbine is known to be effective in the treatment of non-small cell lung cancer and breast cancer. However, venous irritation is a common side effect. Although there have been some reports on risk factors for venous irritation in patients receiving vinorelbine, the factors evaluated have been limited and the results inconclusive. The aim of this study was to identify risk factors for venous irritation in patients receiving vinorelbine, and factors likely associated with venous irritation, including new factors such as hot compress with a hot towel  for prevention of venous irritation...
2018: Journal of Pharmaceutical Health Care and Sciences
Rei Tanaka, Hiroshi Ishikawa, Tetsu Sato, Michihiro Shino, Katsuhiro Omae, Tetsumi Sato, Iwao Osaka
Background: Appropriate prophylactic rescue dosing of opioids is considered effective for cancer pain relief, but no study has reported the safety of such prophylactic rescue. We compared the safety of prophylactic rescue dosing of immediate-release oral opioids with that of regular rescue dosing. Methods: The study included 103 cancer patients who used either immediate-release morphine syrup or immediate-release oxycodone powder at Shizuoka Cancer Center between January and December 2016...
2018: Journal of Pharmaceutical Health Care and Sciences
Kohhei Maeda, Masao Yamaguchi, Hiroyuki Nagase, Nobuhiro Yasuno, Fumio Itagaki, Machiko Watanabe
Background: The utility and effectiveness of inhalational asthma therapy in patients with a permanent tracheostomy has not been established. Previously, a few studies reported the use of nebulizer-type inhalers for treating these patients. Symbicort® Turbuhaler® (Symbicort) is an orally inhaled dry powder containing the corticosteroid budesonide and the bronchodilator formoterol. There are no reports describing the successful use of Symbicort in patients with a permanent tracheostomy...
2018: Journal of Pharmaceutical Health Care and Sciences
Kuninori Iwayama, Junpei Kimura, Aya Mishima, Ayuko Kusakabe, Ko-Ichi Ohtaki, Yoshiko Tampo, Nobumasa Hayase
Background: It is well known that low-dose, long-term macrolide therapy is effective against chronic inflammatory airway diseases. Oxidative stress is considered to be a key pathogenesis factor in those diseases. However, the mechanism of action of low-dose, long-term macrolide therapy remains unclear. We have reported that clarithromycin (CAM), which is a representative macrolide antibiotic, could inhibit hydrogen peroxide (H2 O2 )-induced reduction of the glutathione (GSH)/glutathione disulfide (GSSG) ratio in human small airway epithelial cells (SAECs), via the maintenance of GSH levels through an effect on γ-glutamylcysteine synthetase (γ-GCS) expression...
2018: Journal of Pharmaceutical Health Care and Sciences
Yuki Hanai, Kazuhiro Matsuo, Takayoshi Kosugi, Ayumu Kusano, Hayato Ohashi, Itsuki Kimura, Shinobu Hirayama, Yuta Nanjo, Yoshikazu Ishii, Takahiro Sato, Taito Miyazaki, Kenji Nishizawa, Takashi Yoshio
Background: Since both the antibacterial effects and common adverse effects of colistin are concentration-dependent, determination of the most appropriate dosage regimen and administration method for colistin therapy is essential to ensure its efficacy and safety. We aimed to establish a rapid and simple high-performance liquid chromatography (HPLC)-based system for the clinical determination of colistin serum concentrations. Methods: Extraction using a solid-phase C18 cartridge, derivatisation with 9-fluorenylmethyl chloroformate, and elution with a short reversed-phase Cl8 column effectively separated colistin from an internal standard...
2018: Journal of Pharmaceutical Health Care and Sciences
Satoru Nihei, Junya Sato, Hideaki Komatsu, Kazushige Ishida, Toshimoto Kimura, Takashi Tomita, Kenzo Kudo
Background: The efficacy of sodium azulene sulfonate L-glutamine (GA) in treating oral mucositis caused by the administration of anticancer agents has not been previously elucidated. Therefore, this prospective comparative study was conducted to evaluate the efficacy of GA in treating oral mucositis caused by chemotherapy regimens involving fluorinated pyrimidine anticancer drugs. Methods: The subjects of this study were patients with oral mucositis of grade 2 or higher while on outpatient chemotherapy regimens involving fluorinated pyrimidine anticancer drugs for colorectal or breast cancer...
2018: Journal of Pharmaceutical Health Care and Sciences
Yukio Suga, Nana Ikeda, Manami Maeda, Angelina Yukiko Staub, Tsutomu Shimada, Miwa Yonezawa, Hironori Kitade, Hideyuki Katsura, Morihiro Okada, Junko Ishizaki, Yoshimichi Sai, Ryo Matsushita
Background: Vascular pain is a common adverse drug reaction in colorectal cancer patients receiving peripheral venous administration of oxaliplatin. The aim of this work was to identify risk factors for vascular pain, and to examine whether currently used treatments reduce its incidence. Methods: We conducted a multicenter retrospective study in Japanese colorectal cancer patients receiving peripheral venous administration of oxaliplatin. The effects of various treatments (administration of analgesics, addition of dexamethasone to the infusion solution for pH adjustment, dilution of the infusion solution, or use of hot gel for warming the injection site) on the incidence of vascular pain were assessed...
2018: Journal of Pharmaceutical Health Care and Sciences
Daiki Hira, Asami Suzuki, Yusuke Kono, Kosuke Shimokawa, Serika Matsuoka, Ken-Yuh Hasumoto, Hiroyuki Kawahara, Masahide Onoue, Takuya Fujita, Tomonobu Okano, Mikio Kakumoto
Background: Colloidal saccharated iron oxide injection is used for the treatment of iron deficiency anemia in patients with a poor oral intake. Because of the poor stability of the colloid particle, there have been concerns regarding its compatibility with various injections in clinical practice. To assess the stability of colloidal saccharated iron oxide in normal saline as a diluent, pharmaceutical stability analyses were conducted using various concentrations of glucose and sodium chloride (NaCl)...
2018: Journal of Pharmaceutical Health Care and Sciences
Haruna Yamamoto, Hiroaki Ikesue, Mai Ikemura, Rieko Miura, Kazumi Fujita, Hobyung Chung, Yoshiki Suginoshita, Tetsuro Inokuma, Tohru Hashida
Background: Direct-acting antivirals (DAAs) are known to improve tolerability and have higher efficacy and shorter treatment durations compared with conventional interferon (IFN)-based treatments for hepatitis C virus (HCV) infection. Management of drug interactions and maintenance of patient adherence are important to achieve adequate therapeutic effects, sustained virological response (SVR). In order to maximize the benefits of oral DAA therapy, we established an ambulatory care pharmacy practice, a model of integrated collaboration between physicians and pharmacists, for patients receiving IFN-free DAA therapy...
2018: Journal of Pharmaceutical Health Care and Sciences
Eiji Horita, Yuji Takahashi, Kojiro Takashima, Kenichiro Saito, Yoshihiro Takashima, Yoshinori Munemoto
Background: Clinical cases are often observed when patients are in need of repeated use of analgesic infusion to manage pain after colon cancer surgery. This paper investigates analgesic frequency as well as safety of postoperative intravenous (IV) acetaminophen in colon cancer surgery where epidural anesthesia is used. Methods: Among patients who received epidural anesthesia during colon cancer surgery, one group of twenty eight (28) patients received acetaminophen while another group of patients (30) did not receive it...
2018: Journal of Pharmaceutical Health Care and Sciences
Yoshiko Tominaga, Tohru Aomori, Tomohisa Hayakawa, Nobuhiko Kijima, Donald E Morisky, Kunihiko Takahashi, Mayumi Mochizuki
Background: Insufficient medication adherence in diabetes patients, of which numbers continue to increase globally, remains a critical issue. Medication adherence is multifactorial and determined by interactions among factors including socioeconomic status, health care team and system, condition, therapy, and patient-specific factors. On the other hand, personality traits have been studied in adherence other than to medication. Using the instruments of Temperament and Character Inventory (TCI), Harm Avoidance (TCI-HA) and Self-directedness (TCI-SD) showed distinguishing associations with adherence of health-related programs...
2018: Journal of Pharmaceutical Health Care and Sciences
Yoshihiro Noguchi, Hayato Katsuno, Anri Ueno, Manami Otsubo, Aki Yoshida, Yuta Kanematsu, Ikuto Sugita, Hiroki Esaki, Tomoya Tachi, Teruo Tsuchiya, Hitomi Teramachi
Background: Incretin-based drugs are important in the treatment of type 2 diabetes. However, among the incretin-based drugs, glucagon-like peptide-1 receptor agonists (GLP-1-RAs) have been reported to cause gastroesophageal reflux disease (GERD)-like symptoms making it difficult to continue treatment. Therefore, with the aim of clarifying the relationship between incretin-based drugs and GERD-like symptoms, we conducted a pharmacoepidemiological study using the Japanese adverse drug event report database (JADER)...
2018: Journal of Pharmaceutical Health Care and Sciences
Daisuke Nango, Hiroki Nakashima, Yukifumi Hirose, Masaaki Shiina, Hirotoshi Echizen
Background: A causal relationship between acute pancreatitis and administration of glucocorticoids remains a matter of debate, since most of the reported cases were diagnosed with systemic vascular diseases (including systemic lupus erythematosus and polyarteritis nodosa) that may be responsible for the pancreatitis. Case presentation: We report a case of a 51-year-old woman who developed acute pancreatitis after receiving methylprednisolone pulse therapy for the treatment of fulminant autoimmune hepatitis (AIH)...
2018: Journal of Pharmaceutical Health Care and Sciences
Shuuji Yamashita, Kazuhiro Iguchi, Yoshihiro Noguchi, Chihiro Sakai, Satoshi Yokoyama, Yoko Ino, Hideki Hayashi, Hitomi Teramachi, Magoichi Sako, Tadashi Sugiyama
Background: In recent years, the popularity of LED lighting has rapidly increased, owing to its many advantages, including economic benefits. We examined the change in the quality of drugs during storage under LED and fluorescent lighting and found that some medicines exhibited a different degree of color change depending on the light source. The purpose of this study was to investigate the effects of different plastic storage bags on the color change over time when various medicines were stored under LED and fluorescent lighting conditions...
2018: Journal of Pharmaceutical Health Care and Sciences
Tomoki Takase, Hiroaki Ikesue, Makiko Tohi, Hiroshi Ueta, Hiroyuki Mima, Tadaaki Koyama, Tohru Hashida
Background: Amiodarone and warfarin are sometimes administered immediately after cardiac surgery. Although the interaction between long-term oral amiodarone and warfarin has been reported, the interaction between warfarin and short-term intravenous amiodarone has not been reported. In this study, we investigated the effect of short-term intravenous amiodarone on the anticoagulant effect of warfarin in patients who underwent cardiac surgery. Methods: We retrospectively reviewed the medical records of 11 patients who received oral warfarin before and after cardiac surgery, and loading doses of 125-150 mg or a 750 mg continuous infusion of amiodarone, or both in the intensive care unit (ICU) within 5 days after the surgery between July 2011 and January 2017...
2018: Journal of Pharmaceutical Health Care and Sciences
Ayuko Imaoka, Kosuke Abiru, Takeshi Akiyoshi, Hisakazu Ohtani
Background: Intestinal absorption of new quinolones is decreased by oral administration of polyvalent metal cations. Some clinical studies have demonstrated this drug - drug interaction is more prominent under fasted condition. However, the effect of food intake on the extent of drug - drug interaction between new quinolones and metal cations remains to be investigated quantitatively and systematically. The aim of this study was to develop an animal model that enables to evaluate the effect of food intake on the extent of drug - drug interaction in the gastrointestinal tract by chelation and to apply the model to evaluate quantitatively the effect of food intake on the drug - drug interaction between two new quinolones, ofloxacin or ciprofloxacin and sucralfate...
2018: Journal of Pharmaceutical Health Care and Sciences
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