Effect of single and multiple doses of elobixibat, an ileal bile acid transporter inhibitor, on chronic constipation: A randomized controlled trial

Aims Elobixibat is a minimally absorbed ileal bile acid transporter inhibitor. This study aimed to investigate the safety, tolerability, efficacy, pharmacokinetics and pharmacodynamics of elobixibat in Japanese patients with chronic constipation. Methods This study consisted of single‐dose and multi...

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Veröffentlicht in:British journal of clinical pharmacology 2018-10, Vol.84 (10), p.2393-2404
Hauptverfasser: Kumagai, Yuji, Amano, Hideki, Sasaki, Yoshinobu, Nakagawa, Chie, Maeda, Mika, Oikawa, Ichiro, Furuie, Hidetoshi
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container_issue 10
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container_title British journal of clinical pharmacology
container_volume 84
creator Kumagai, Yuji
Amano, Hideki
Sasaki, Yoshinobu
Nakagawa, Chie
Maeda, Mika
Oikawa, Ichiro
Furuie, Hidetoshi
description Aims Elobixibat is a minimally absorbed ileal bile acid transporter inhibitor. This study aimed to investigate the safety, tolerability, efficacy, pharmacokinetics and pharmacodynamics of elobixibat in Japanese patients with chronic constipation. Methods This study consisted of single‐dose and multiple‐dose tests with a dose‐escalating design. Sixty patients including females and males were randomized into five dose levels of elobixibat (2.5, 5, 10, 15 or 20 mg, n = 10 per level) and corresponding placebo (n = 2 per group). A crossover design was used to examine food effect in single‐dose test. Patients received test tablets once daily for 14 days in multiple‐dose test. We assessed pharmacokinetic‐dose proportionality, levels of serum high‐ and low‐density lipoprotein cholesterol and plasma 7α‐hydroxy‐4‐cholesten‐3‐one (C4), food effect and sex‐specific effect. Adverse events and bowel functions such as bowel movements, stool consistency and straining were also evaluated. Results Food consumption reduced systemic exposure by around 80% [e.g. least squares mean (ratio of breakfast/no breakfast) maximum plasma concentration: 0.2085 (90% confidence interval, 0.1371–0.3172) at 15 mg] while increased plasma C4 level (P 
doi_str_mv 10.1111/bcp.13698
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This study aimed to investigate the safety, tolerability, efficacy, pharmacokinetics and pharmacodynamics of elobixibat in Japanese patients with chronic constipation. Methods This study consisted of single‐dose and multiple‐dose tests with a dose‐escalating design. Sixty patients including females and males were randomized into five dose levels of elobixibat (2.5, 5, 10, 15 or 20 mg, n = 10 per level) and corresponding placebo (n = 2 per group). A crossover design was used to examine food effect in single‐dose test. Patients received test tablets once daily for 14 days in multiple‐dose test. We assessed pharmacokinetic‐dose proportionality, levels of serum high‐ and low‐density lipoprotein cholesterol and plasma 7α‐hydroxy‐4‐cholesten‐3‐one (C4), food effect and sex‐specific effect. Adverse events and bowel functions such as bowel movements, stool consistency and straining were also evaluated. Results Food consumption reduced systemic exposure by around 80% [e.g. least squares mean (ratio of breakfast/no breakfast) maximum plasma concentration: 0.2085 (90% confidence interval, 0.1371–0.3172) at 15 mg] while increased plasma C4 level (P &lt; 0.001). In the multiple‐dose test, elobixibat reduced low‐density lipoprotein cholesterol and increased C4 whilst unaltering high‐density lipoprotein cholesterol level. The increased spontaneous bowel movement frequency was correlated with higher dosage and higher C4 level (R2 = 0.5929 at Week 2). Adverse events were mainly gastrointestinal symptoms, most of which were mild. Conclusions Elobixibat should be taken before breakfast. Once‐daily administration of elobixibat was found to be safe and tolerated up to 20 mg in female and male patients with chronic constipation.</description><identifier>ISSN: 0306-5251</identifier><identifier>EISSN: 1365-2125</identifier><identifier>DOI: 10.1111/bcp.13698</identifier><identifier>PMID: 29959787</identifier><language>eng</language><publisher>England: John Wiley and Sons Inc</publisher><subject>Administration, Oral ; Adult ; Carrier Proteins - antagonists &amp; inhibitors ; Carrier Proteins - metabolism ; Cholestenones - blood ; Cholesterol, LDL - blood ; Chronic Disease - drug therapy ; Constipation - blood ; Constipation - drug therapy ; Constipation - pathology ; Cross-Over Studies ; Defecation - drug effects ; Dipeptides - pharmacology ; Dipeptides - therapeutic use ; Dose-Response Relationship, Drug ; Double-Blind Method ; Drug Administration Schedule ; Female ; Food-Drug Interactions ; gastroenterology ; Humans ; Ileum - drug effects ; Ileum - metabolism ; Ileum - pathology ; Male ; Membrane Glycoproteins - antagonists &amp; inhibitors ; Membrane Glycoproteins - metabolism ; Middle Aged ; Original ; pharmacodynamics ; pharmacokinetics ; phase I ; Placebos - administration &amp; dosage ; Placebos - adverse effects ; randomized controlled trial ; Sex Factors ; Tablets ; Thiazepines - pharmacology ; Thiazepines - therapeutic use ; Treatment Outcome ; Young Adult</subject><ispartof>British journal of clinical pharmacology, 2018-10, Vol.84 (10), p.2393-2404</ispartof><rights>2018 EA Pharma Co., Ltd. British Journal of Clinical Pharmacology published by John Wiley &amp; Sons Ltd on behalf of British Pharmacological Society.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4818-3efd8cd3dd25f8c7a857b4cd74b41e62c46e7b279976f45a7d0b7a3a2617c6c63</citedby><cites>FETCH-LOGICAL-c4818-3efd8cd3dd25f8c7a857b4cd74b41e62c46e7b279976f45a7d0b7a3a2617c6c63</cites><orcidid>0000-0002-8256-0516 ; 0000-0001-8628-2843</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fbcp.13698$$EPDF$$P50$$Gwiley$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fbcp.13698$$EHTML$$P50$$Gwiley$$Hfree_for_read</linktohtml><link.rule.ids>230,314,776,780,881,1411,1427,27901,27902,45550,45551,46384,46808</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/29959787$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Kumagai, Yuji</creatorcontrib><creatorcontrib>Amano, Hideki</creatorcontrib><creatorcontrib>Sasaki, Yoshinobu</creatorcontrib><creatorcontrib>Nakagawa, Chie</creatorcontrib><creatorcontrib>Maeda, Mika</creatorcontrib><creatorcontrib>Oikawa, Ichiro</creatorcontrib><creatorcontrib>Furuie, Hidetoshi</creatorcontrib><title>Effect of single and multiple doses of elobixibat, an ileal bile acid transporter inhibitor, on chronic constipation: A randomized controlled trial</title><title>British journal of clinical pharmacology</title><addtitle>Br J Clin Pharmacol</addtitle><description>Aims Elobixibat is a minimally absorbed ileal bile acid transporter inhibitor. This study aimed to investigate the safety, tolerability, efficacy, pharmacokinetics and pharmacodynamics of elobixibat in Japanese patients with chronic constipation. Methods This study consisted of single‐dose and multiple‐dose tests with a dose‐escalating design. Sixty patients including females and males were randomized into five dose levels of elobixibat (2.5, 5, 10, 15 or 20 mg, n = 10 per level) and corresponding placebo (n = 2 per group). A crossover design was used to examine food effect in single‐dose test. Patients received test tablets once daily for 14 days in multiple‐dose test. We assessed pharmacokinetic‐dose proportionality, levels of serum high‐ and low‐density lipoprotein cholesterol and plasma 7α‐hydroxy‐4‐cholesten‐3‐one (C4), food effect and sex‐specific effect. Adverse events and bowel functions such as bowel movements, stool consistency and straining were also evaluated. Results Food consumption reduced systemic exposure by around 80% [e.g. least squares mean (ratio of breakfast/no breakfast) maximum plasma concentration: 0.2085 (90% confidence interval, 0.1371–0.3172) at 15 mg] while increased plasma C4 level (P &lt; 0.001). In the multiple‐dose test, elobixibat reduced low‐density lipoprotein cholesterol and increased C4 whilst unaltering high‐density lipoprotein cholesterol level. The increased spontaneous bowel movement frequency was correlated with higher dosage and higher C4 level (R2 = 0.5929 at Week 2). Adverse events were mainly gastrointestinal symptoms, most of which were mild. Conclusions Elobixibat should be taken before breakfast. Once‐daily administration of elobixibat was found to be safe and tolerated up to 20 mg in female and male patients with chronic constipation.</description><subject>Administration, Oral</subject><subject>Adult</subject><subject>Carrier Proteins - antagonists &amp; inhibitors</subject><subject>Carrier Proteins - metabolism</subject><subject>Cholestenones - blood</subject><subject>Cholesterol, LDL - blood</subject><subject>Chronic Disease - drug therapy</subject><subject>Constipation - blood</subject><subject>Constipation - drug therapy</subject><subject>Constipation - pathology</subject><subject>Cross-Over Studies</subject><subject>Defecation - drug effects</subject><subject>Dipeptides - pharmacology</subject><subject>Dipeptides - therapeutic use</subject><subject>Dose-Response Relationship, Drug</subject><subject>Double-Blind Method</subject><subject>Drug Administration Schedule</subject><subject>Female</subject><subject>Food-Drug Interactions</subject><subject>gastroenterology</subject><subject>Humans</subject><subject>Ileum - drug effects</subject><subject>Ileum - metabolism</subject><subject>Ileum - pathology</subject><subject>Male</subject><subject>Membrane Glycoproteins - antagonists &amp; inhibitors</subject><subject>Membrane Glycoproteins - metabolism</subject><subject>Middle Aged</subject><subject>Original</subject><subject>pharmacodynamics</subject><subject>pharmacokinetics</subject><subject>phase I</subject><subject>Placebos - administration &amp; dosage</subject><subject>Placebos - adverse effects</subject><subject>randomized controlled trial</subject><subject>Sex Factors</subject><subject>Tablets</subject><subject>Thiazepines - pharmacology</subject><subject>Thiazepines - therapeutic use</subject><subject>Treatment Outcome</subject><subject>Young Adult</subject><issn>0306-5251</issn><issn>1365-2125</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>EIF</sourceid><recordid>eNp1kctO3TAQhi3UCg6XBS9QeVuJQJzEl3RRiR5xqYTULmBt-RbOIB87skNbeA1eGIcDqF3Um5E133xj-UfokNTHpJwTbcZj0rJebKFFqbRqSEM_oEXd1qyiDSU7aDfnu7omLWF0G-00fU97LvgCPZ0NgzMTjgPOEG69wypYvL73E4zlYmN2eW46HzX8Aa2mo0Jg8E55rGHmDVg8JRXyGNPkEoawAg1TTEc4BmxWKQYw2MSQi1NNEMMXfIrLgI1reHR2bk0peu9mDyi_jz4Oymd38Fr30M352fXysrr6cfF9eXpVmU4QUbVusMLY1tqGDsJwJSjXnbG80x1xrDEdc1w3vO85GzqquK01V61qGOGGGdbuoa8b73iv184aV56hvBwTrFV6kFGB_LcTYCVv4y_JSCs6wYvg80ZgUsw5ueF9ltRyTkaWZORLMoX99Peyd_ItigKcbIDf5Vcf_m-S35Y_N8pnfluc5A</recordid><startdate>201810</startdate><enddate>201810</enddate><creator>Kumagai, Yuji</creator><creator>Amano, Hideki</creator><creator>Sasaki, Yoshinobu</creator><creator>Nakagawa, Chie</creator><creator>Maeda, Mika</creator><creator>Oikawa, Ichiro</creator><creator>Furuie, Hidetoshi</creator><general>John Wiley and Sons Inc</general><scope>24P</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-8256-0516</orcidid><orcidid>https://orcid.org/0000-0001-8628-2843</orcidid></search><sort><creationdate>201810</creationdate><title>Effect of single and multiple doses of elobixibat, an ileal bile acid transporter inhibitor, on chronic constipation: A randomized controlled trial</title><author>Kumagai, Yuji ; Amano, Hideki ; Sasaki, Yoshinobu ; Nakagawa, Chie ; Maeda, Mika ; Oikawa, Ichiro ; Furuie, Hidetoshi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4818-3efd8cd3dd25f8c7a857b4cd74b41e62c46e7b279976f45a7d0b7a3a2617c6c63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Administration, Oral</topic><topic>Adult</topic><topic>Carrier Proteins - antagonists &amp; inhibitors</topic><topic>Carrier Proteins - metabolism</topic><topic>Cholestenones - blood</topic><topic>Cholesterol, LDL - blood</topic><topic>Chronic Disease - drug therapy</topic><topic>Constipation - blood</topic><topic>Constipation - drug therapy</topic><topic>Constipation - pathology</topic><topic>Cross-Over Studies</topic><topic>Defecation - drug effects</topic><topic>Dipeptides - pharmacology</topic><topic>Dipeptides - therapeutic use</topic><topic>Dose-Response Relationship, Drug</topic><topic>Double-Blind Method</topic><topic>Drug Administration Schedule</topic><topic>Female</topic><topic>Food-Drug Interactions</topic><topic>gastroenterology</topic><topic>Humans</topic><topic>Ileum - drug effects</topic><topic>Ileum - metabolism</topic><topic>Ileum - pathology</topic><topic>Male</topic><topic>Membrane Glycoproteins - antagonists &amp; inhibitors</topic><topic>Membrane Glycoproteins - metabolism</topic><topic>Middle Aged</topic><topic>Original</topic><topic>pharmacodynamics</topic><topic>pharmacokinetics</topic><topic>phase I</topic><topic>Placebos - administration &amp; dosage</topic><topic>Placebos - adverse effects</topic><topic>randomized controlled trial</topic><topic>Sex Factors</topic><topic>Tablets</topic><topic>Thiazepines - pharmacology</topic><topic>Thiazepines - therapeutic use</topic><topic>Treatment Outcome</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kumagai, Yuji</creatorcontrib><creatorcontrib>Amano, Hideki</creatorcontrib><creatorcontrib>Sasaki, Yoshinobu</creatorcontrib><creatorcontrib>Nakagawa, Chie</creatorcontrib><creatorcontrib>Maeda, Mika</creatorcontrib><creatorcontrib>Oikawa, Ichiro</creatorcontrib><creatorcontrib>Furuie, Hidetoshi</creatorcontrib><collection>Wiley Online Library Open Access</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>British journal of clinical pharmacology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kumagai, Yuji</au><au>Amano, Hideki</au><au>Sasaki, Yoshinobu</au><au>Nakagawa, Chie</au><au>Maeda, Mika</au><au>Oikawa, Ichiro</au><au>Furuie, Hidetoshi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effect of single and multiple doses of elobixibat, an ileal bile acid transporter inhibitor, on chronic constipation: A randomized controlled trial</atitle><jtitle>British journal of clinical pharmacology</jtitle><addtitle>Br J Clin Pharmacol</addtitle><date>2018-10</date><risdate>2018</risdate><volume>84</volume><issue>10</issue><spage>2393</spage><epage>2404</epage><pages>2393-2404</pages><issn>0306-5251</issn><eissn>1365-2125</eissn><abstract>Aims Elobixibat is a minimally absorbed ileal bile acid transporter inhibitor. This study aimed to investigate the safety, tolerability, efficacy, pharmacokinetics and pharmacodynamics of elobixibat in Japanese patients with chronic constipation. Methods This study consisted of single‐dose and multiple‐dose tests with a dose‐escalating design. Sixty patients including females and males were randomized into five dose levels of elobixibat (2.5, 5, 10, 15 or 20 mg, n = 10 per level) and corresponding placebo (n = 2 per group). A crossover design was used to examine food effect in single‐dose test. Patients received test tablets once daily for 14 days in multiple‐dose test. We assessed pharmacokinetic‐dose proportionality, levels of serum high‐ and low‐density lipoprotein cholesterol and plasma 7α‐hydroxy‐4‐cholesten‐3‐one (C4), food effect and sex‐specific effect. Adverse events and bowel functions such as bowel movements, stool consistency and straining were also evaluated. Results Food consumption reduced systemic exposure by around 80% [e.g. least squares mean (ratio of breakfast/no breakfast) maximum plasma concentration: 0.2085 (90% confidence interval, 0.1371–0.3172) at 15 mg] while increased plasma C4 level (P &lt; 0.001). In the multiple‐dose test, elobixibat reduced low‐density lipoprotein cholesterol and increased C4 whilst unaltering high‐density lipoprotein cholesterol level. The increased spontaneous bowel movement frequency was correlated with higher dosage and higher C4 level (R2 = 0.5929 at Week 2). Adverse events were mainly gastrointestinal symptoms, most of which were mild. Conclusions Elobixibat should be taken before breakfast. Once‐daily administration of elobixibat was found to be safe and tolerated up to 20 mg in female and male patients with chronic constipation.</abstract><cop>England</cop><pub>John Wiley and Sons Inc</pub><pmid>29959787</pmid><doi>10.1111/bcp.13698</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-8256-0516</orcidid><orcidid>https://orcid.org/0000-0001-8628-2843</orcidid><oa>free_for_read</oa></addata></record>
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subjects Administration, Oral
Adult
Carrier Proteins - antagonists & inhibitors
Carrier Proteins - metabolism
Cholestenones - blood
Cholesterol, LDL - blood
Chronic Disease - drug therapy
Constipation - blood
Constipation - drug therapy
Constipation - pathology
Cross-Over Studies
Defecation - drug effects
Dipeptides - pharmacology
Dipeptides - therapeutic use
Dose-Response Relationship, Drug
Double-Blind Method
Drug Administration Schedule
Female
Food-Drug Interactions
gastroenterology
Humans
Ileum - drug effects
Ileum - metabolism
Ileum - pathology
Male
Membrane Glycoproteins - antagonists & inhibitors
Membrane Glycoproteins - metabolism
Middle Aged
Original
pharmacodynamics
pharmacokinetics
phase I
Placebos - administration & dosage
Placebos - adverse effects
randomized controlled trial
Sex Factors
Tablets
Thiazepines - pharmacology
Thiazepines - therapeutic use
Treatment Outcome
Young Adult
title Effect of single and multiple doses of elobixibat, an ileal bile acid transporter inhibitor, on chronic constipation: A randomized controlled trial
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