{"id":"https://openalex.org/W2145336388","doi":"https://doi.org/10.1016/j.schres.2012.02.014","title":"A randomized controlled trial of allopurinol vs. placebo added on to antipsychotics in patients with schizophrenia or schizoaffective disorder","display_name":"A randomized controlled trial of allopurinol vs. placebo added on to antipsychotics in patients with schizophrenia or schizoaffective disorder","publication_year":2012,"publication_date":"2012-04-04","ids":{"openalex":"https://openalex.org/W2145336388","doi":"https://doi.org/10.1016/j.schres.2012.02.014","mag":"2145336388","pmid":"https://pubmed.ncbi.nlm.nih.gov/22483162"},"language":"en","primary_location":{"id":"doi:10.1016/j.schres.2012.02.014","doi":"https://doi.org/10.1016/j.schres.2012.02.014","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.schres.2012.02.014","pdf_url":null,"source":{"id":"https://openalex.org/S144105592","display_name":"Schizophrenia Research","issn_l":"0920-9964","issn":["0920-9964","1573-2509"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","doyens","erih-plus","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Schizophrenia Research","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5021587962","display_name":"Mark Weiser","orcid":"https://orcid.org/0000-0003-3638-0271","observed_orcids":["https://orcid.org/0000-0003-3638-0271","https://orcid.org/0009-0002-7962-2971"]},"institutions":[{"id":"https://openalex.org/I16391192","display_name":"Tel Aviv University","ror":"https://ror.org/04mhzgx49","country_code":"IL","type":"education","lineage":["https://openalex.org/I16391192"]},{"id":"https://openalex.org/I2799810450","display_name":"Sheba Medical Center","ror":"https://ror.org/020rzx487","country_code":"IL","type":"healthcare","lineage":["https://openalex.org/I2799810450"]}],"countries":["IL"],"is_corresponding":true,"raw_author_name":"Mark Weiser","raw_affiliation_strings":["Division of Psychiatry, Chaim Sheba Medical Center, Tel-Hashomer, Israel. mweiser@netvision.net.il","Division of Psychiatry, Chaim Sheba Medical Center, Tel-Hashomer, Israel","Sackler School of Medicine; Tel Aviv University; Ramat Aviv Israel"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Psychiatry, Chaim Sheba Medical Center, Tel-Hashomer, Israel. mweiser@netvision.net.il","institution_ids":["https://openalex.org/I2799810450"]},{"raw_affiliation_string":"Division of Psychiatry, Chaim Sheba Medical Center, Tel-Hashomer, Israel","institution_ids":["https://openalex.org/I2799810450"]},{"raw_affiliation_string":"Sackler School of Medicine; Tel Aviv University; Ramat Aviv Israel","institution_ids":["https://openalex.org/I16391192"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063185823","display_name":"Ari A. Gershon","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I2799810450","display_name":"Sheba Medical Center","ror":"https://ror.org/020rzx487","country_code":"IL","type":"healthcare","lineage":["https://openalex.org/I2799810450"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Ari A. Gershon","raw_affiliation_strings":["Division of Psychiatry, Chaim Sheba Medical Center, Tel-Hashomer, Israel"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Psychiatry, Chaim Sheba Medical Center, Tel-Hashomer, Israel","institution_ids":["https://openalex.org/I2799810450"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001117846","display_name":"Katya Rubinstein","orcid":"https://orcid.org/0000-0003-2875-4456","observed_orcids":["https://orcid.org/0000-0003-2875-4456"]},"institutions":[{"id":"https://openalex.org/I2799810450","display_name":"Sheba Medical Center","ror":"https://ror.org/020rzx487","country_code":"IL","type":"healthcare","lineage":["https://openalex.org/I2799810450"]}],"countries":["IL"],"is_corresponding":false,"raw_author_name":"Katya Rubinstein","raw_affiliation_strings":["Division of Psychiatry, Chaim Sheba Medical Center, Tel-Hashomer, Israel"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Psychiatry, Chaim Sheba Medical Center, Tel-Hashomer, Israel","institution_ids":["https://openalex.org/I2799810450"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071422937","display_name":"Camelia Petcu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210146173","display_name":"Spitalul Clinic de Psihiatrie Alexandru Obregia","ror":"https://ror.org/04ecp7x75","country_code":"RO","type":"healthcare","lineage":["https://openalex.org/I4210146173"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Camelia Petcu","raw_affiliation_strings":["Spitalul Clinic de Psihiatrie Obregia, Berceni St. 10-12, Bucuresti, Romania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Spitalul Clinic de Psihiatrie Obregia, Berceni St. 10-12, Bucuresti, Romania","institution_ids":["https://openalex.org/I4210146173"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051390964","display_name":"Maria Ladea","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210146173","display_name":"Spitalul Clinic de Psihiatrie Alexandru Obregia","ror":"https://ror.org/04ecp7x75","country_code":"RO","type":"healthcare","lineage":["https://openalex.org/I4210146173"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Maria Ladea","raw_affiliation_strings":["Spitalul Clinic de Psihiatrie Obregia, Berceni St. 10-12, Bucuresti, Romania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Spitalul Clinic de Psihiatrie Obregia, Berceni St. 10-12, Bucuresti, Romania","institution_ids":["https://openalex.org/I4210146173"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5043902383","display_name":"Dorina Sima","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210146173","display_name":"Spitalul Clinic de Psihiatrie Alexandru Obregia","ror":"https://ror.org/04ecp7x75","country_code":"RO","type":"healthcare","lineage":["https://openalex.org/I4210146173"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Dorina Sima","raw_affiliation_strings":["Spitalul Clinic de Psihiatrie Obregia, Berceni St. 10-12, Bucuresti, Romania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Spitalul Clinic de Psihiatrie Obregia, Berceni St. 10-12, Bucuresti, Romania","institution_ids":["https://openalex.org/I4210146173"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111400301","display_name":"Delia Marina Podea","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I3021884489","display_name":"Arad County Clinical Hospital","ror":"https://ror.org/03t1qsw88","country_code":"RO","type":"healthcare","lineage":["https://openalex.org/I3021884489"]}],"countries":["RO"],"is_corresponding":false,"raw_author_name":"Delia Podea","raw_affiliation_strings":["Clinica de Psihiatrie, Octavian Goga 17, Arad, Romania"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Clinica de Psihiatrie, Octavian Goga 17, Arad, Romania","institution_ids":["https://openalex.org/I3021884489"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026643447","display_name":"Richard S.E. Keefe","orcid":"https://orcid.org/0000-0002-0173-8897","observed_orcids":["https://orcid.org/0000-0002-0173-8897"]},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]},{"id":"https://openalex.org/I4210126298","display_name":"Duke Medical Center","ror":"https://ror.org/03njmea73","country_code":"US","type":"healthcare","lineage":["https://openalex.org/I4210126298","https://openalex.org/I4210144876"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Richard S.E. Keefe","raw_affiliation_strings":["Division of Medical Psychology, Duke University School of Medicine, DUMC 3270, Durham, NC 27710, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Medical Psychology, Duke University School of Medicine, DUMC 3270, Durham, NC 27710, USA","institution_ids":["https://openalex.org/I170897317","https://openalex.org/I4210126298"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5052344963","display_name":"John M. Davis","orcid":"https://orcid.org/0000-0003-3963-1654","observed_orcids":["https://orcid.org/0000-0003-3963-1654"]},"institutions":[{"id":"https://openalex.org/I39422238","display_name":"University of Illinois Chicago","ror":"https://ror.org/02mpq6x41","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"John M. Davis","raw_affiliation_strings":["Department of Psychiatry, University of Illinois, 1601 W. Taylor Street, PI 324W, MC 912, Chicago, IL 60607, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Psychiatry, University of Illinois, 1601 W. Taylor Street, PI 324W, MC 912, Chicago, IL 60607, USA","institution_ids":["https://openalex.org/I39422238"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5021587962"],"corresponding_institution_ids":["https://openalex.org/I16391192","https://openalex.org/I2799810450"],"apc_list":{"value":3910,"currency":"USD","value_usd":3910},"apc_paid":null,"fwci":1.5888,"has_fulltext":false,"cited_by_count":35,"citation_normalized_percentile":{"value":0.80271415,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":98},"biblio":{"volume":"138","issue":"1","first_page":"35","last_page":"38"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10023","display_name":"Schizophrenia research and treatment","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},"topics":[{"id":"https://openalex.org/T10023","display_name":"Schizophrenia research and treatment","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2738","display_name":"Psychiatry and Mental health"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11337","display_name":"Tryptophan and brain disorders","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2803","display_name":"Biological Psychiatry"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10056","display_name":"Neurotransmitter Receptor Influence on Behavior","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/allopurinol","display_name":"allopurinol","score":1.0},{"id":"https://openalex.org/keywords/schizophrenia","display_name":"schizophrenia","score":0.8690000176429749}],"concepts":[{"id":"https://openalex.org/C2780325297","wikidata":"https://www.wikidata.org/wiki/Q834047","display_name":"Schizoaffective disorder","level":3,"score":0.9223954677581787},{"id":"https://openalex.org/C2780864610","wikidata":"https://www.wikidata.org/wiki/Q221361","display_name":"Clozapine","level":3,"score":0.7804287075996399},{"id":"https://openalex.org/C2780261098","wikidata":"https://www.wikidata.org/wiki/Q412486","display_name":"Allopurinol","level":2,"score":0.7444136142730713},{"id":"https://openalex.org/C2776412080","wikidata":"https://www.wikidata.org/wiki/Q7431605","display_name":"Schizophrenia (object-oriented programming)","level":2,"score":0.7399559020996094},{"id":"https://openalex.org/C27081682","wikidata":"https://www.wikidata.org/wiki/Q269829","display_name":"Placebo","level":3,"score":0.6768118143081665},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5601438283920288},{"id":"https://openalex.org/C168563851","wikidata":"https://www.wikidata.org/wiki/Q1436668","display_name":"Randomized controlled trial","level":2,"score":0.5504506826400757},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4610736668109894},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.45716702938079834},{"id":"https://openalex.org/C2779727114","wikidata":"https://www.wikidata.org/wiki/Q170082","display_name":"Psychosis","level":2,"score":0.4295850098133087},{"id":"https://openalex.org/C118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","level":1,"score":0.4272223711013794},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.0}],"mesh":[{"descriptor_ui":"D000241","descriptor_name":"Adenosine","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":true},{"descriptor_ui":"D000328","descriptor_name":"Adult","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000493","descriptor_name":"Allopurinol","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":true},{"descriptor_ui":"D004359","descriptor_name":"Drug Therapy, Combination","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004791","descriptor_name":"Enzyme Inhibitors","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":true},{"descriptor_ui":"D005260","descriptor_name":"Female","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008297","descriptor_name":"Male","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D008875","descriptor_name":"Middle Aged","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D011618","descriptor_name":"Psychotic Disorders","qualifier_ui":"Q000188","qualifier_name":"drug therapy","is_major_topic":true},{"descriptor_ui":"D012559","descriptor_name":"Schizophrenia","qualifier_ui":"Q000188","qualifier_name":"drug therapy","is_major_topic":true},{"descriptor_ui":"D014150","descriptor_name":"Antipsychotic Agents","qualifier_ui":"Q000627","qualifier_name":"therapeutic use","is_major_topic":true},{"descriptor_ui":"D014969","descriptor_name":"Xanthine Oxidase","qualifier_ui":"Q000037","qualifier_name":"antagonists & inhibitors","is_major_topic":true},{"descriptor_ui":"D016896","descriptor_name":"Treatment Outcome","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1016/j.schres.2012.02.014","doi":"https://doi.org/10.1016/j.schres.2012.02.014","is_oa":false,"landing_page_url":"https://doi.org/10.1016/j.schres.2012.02.014","pdf_url":null,"source":{"id":"https://openalex.org/S144105592","display_name":"Schizophrenia Research","issn_l":"0920-9964","issn":["0920-9964","1573-2509"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-c","doyens","erih-plus","jufo-2","ki-jl-2","medline","norway-2","poland-140","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Schizophrenia Research","raw_type":"journal-article"},{"id":"pmid:22483162","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/22483162","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Schizophrenia research","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":1.0}],"study_designs":[{"id":"https://openalex.org/study-designs/randomized-controlled-trial","display_name":"Randomized Controlled Trial"},{"id":"https://openalex.org/study-designs/clinical-trial","display_name":"Clinical Trial"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W1502439265","https://openalex.org/W1967197357","https://openalex.org/W1974914006","https://openalex.org/W1999116988","https://openalex.org/W2004287235","https://openalex.org/W2007591448","https://openalex.org/W2008062633","https://openalex.org/W2018927895","https://openalex.org/W2019299984","https://openalex.org/W2039994072","https://openalex.org/W2042902270","https://openalex.org/W2043268173","https://openalex.org/W2051614606","https://openalex.org/W2059976854","https://openalex.org/W2073442736","https://openalex.org/W2073582213","https://openalex.org/W2091751785","https://openalex.org/W2129116806","https://openalex.org/W2140606211","https://openalex.org/W2165379748","https://openalex.org/W2166071546","https://openalex.org/W2166092131","https://openalex.org/W2167635958","https://openalex.org/W2270670736","https://openalex.org/W3090293687"],"related_works":["https://openalex.org/W2091751785","https://openalex.org/W2009591333","https://openalex.org/W2146859194","https://openalex.org/W2059976854","https://openalex.org/W41578719","https://openalex.org/W2333540725","https://openalex.org/W2073582213","https://openalex.org/W4406044687","https://openalex.org/W4411329398","https://openalex.org/W2070305966"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":5},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}
