{"id":"https://openalex.org/W3177516331","doi":"https://doi.org/10.1080/17512433.2021.1951473","title":"Who is blind in psychedelic research? Letter to the editor regarding: blinding and expectancy confounds in psychedelic randomized controlled trials","display_name":"Who is blind in psychedelic research? Letter to the editor regarding: blinding and expectancy confounds in psychedelic randomized controlled trials","publication_year":2021,"publication_date":"2021-07-06","ids":{"openalex":"https://openalex.org/W3177516331","doi":"https://doi.org/10.1080/17512433.2021.1951473","mag":"3177516331","pmid":"https://pubmed.ncbi.nlm.nih.gov/34227438"},"language":"en","primary_location":{"id":"doi:10.1080/17512433.2021.1951473","doi":"https://doi.org/10.1080/17512433.2021.1951473","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17512433.2021.1951473","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17512433.2021.1951473?needAccess=true&role=button","source":{"id":"https://openalex.org/S102962966","display_name":"Expert Review of Clinical Pharmacology","issn_l":"1751-2433","issn":["1751-2433","1751-2441"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Expert Review of Clinical Pharmacology","raw_type":"journal-article"},"volume":null,"type":"letter","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://www.tandfonline.com/doi/pdf/10.1080/17512433.2021.1951473?needAccess=true&role=button","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5090128248","display_name":"Eduardo Ekman Schenberg","orcid":"https://orcid.org/0000-0001-7111-9891","observed_orcids":["https://orcid.org/0000-0001-7111-9891"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Eduardo Ekman Schenberg","raw_affiliation_strings":["Director, Instituto Phaneros, S\u00e3o Paulo, Brazil"],"raw_orcid":"https://orcid.org/0000-0001-7111-9891","affiliations":[{"raw_affiliation_string":"Director, Instituto Phaneros, S\u00e3o Paulo, Brazil","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5090128248"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":41,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":"10","first_page":"1317","last_page":"1319"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12553","display_name":"Psychedelics and Drug Studies","score":0.951200008392334,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T12553","display_name":"Psychedelics and Drug Studies","score":0.951200008392334,"subfield":{"id":"https://openalex.org/subfields/3203","display_name":"Clinical Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12035","display_name":"Pain Management and Placebo Effect","score":0.026399999856948853,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"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/T11235","display_name":"Statistical Methods in Clinical Trials","score":0.008500000461935997,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/blinding","display_name":"blinding","score":0.8190000057220459},{"id":"https://openalex.org/keywords/unblinding","display_name":"unblinding","score":0.8980000019073486},{"id":"https://openalex.org/keywords/placebo-effect","display_name":"placebo effect","score":0.6269999742507935},{"id":"https://openalex.org/keywords/psychedelics","display_name":"psychedelics","score":0.656000018119812},{"id":"https://openalex.org/keywords/randomized-controlled-trials","display_name":"randomized controlled trials","score":0.9319999814033508},{"id":"https://openalex.org/keywords/trial-design","display_name":"trial design","score":0.30399999022483826}],"concepts":[{"id":"https://openalex.org/C2771230","wikidata":"https://www.wikidata.org/wiki/Q4926699","display_name":"Blinding","level":3,"score":0.889405369758606},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.7332466840744019},{"id":"https://openalex.org/C168563851","wikidata":"https://www.wikidata.org/wiki/Q1436668","display_name":"Randomized controlled trial","level":2,"score":0.5381819009780884},{"id":"https://openalex.org/C204787440","wikidata":"https://www.wikidata.org/wiki/Q188504","display_name":"Alternative medicine","level":2,"score":0.5264961123466492},{"id":"https://openalex.org/C188353592","wikidata":"https://www.wikidata.org/wiki/Q450586","display_name":"Expectancy theory","level":2,"score":0.5223487615585327},{"id":"https://openalex.org/C535046627","wikidata":"https://www.wikidata.org/wiki/Q30612","display_name":"Clinical trial","level":2,"score":0.48098433017730713},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.23509740829467773},{"id":"https://openalex.org/C141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","level":1,"score":0.08151751756668091},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.08132201433181763},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D004311","descriptor_name":"Double-Blind Method","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004311","descriptor_name":"Double-Blind Method","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004311","descriptor_name":"Double-Blind Method","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D006213","descriptor_name":"Hallucinogens","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":true},{"descriptor_ui":"D006213","descriptor_name":"Hallucinogens","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":true},{"descriptor_ui":"D006213","descriptor_name":"Hallucinogens","qualifier_ui":"Q000009","qualifier_name":"adverse effects","is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","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":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016032","descriptor_name":"Randomized Controlled Trials as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016032","descriptor_name":"Randomized Controlled Trials as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016032","descriptor_name":"Randomized Controlled Trials as Topic","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1080/17512433.2021.1951473","doi":"https://doi.org/10.1080/17512433.2021.1951473","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17512433.2021.1951473","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17512433.2021.1951473?needAccess=true&role=button","source":{"id":"https://openalex.org/S102962966","display_name":"Expert Review of Clinical Pharmacology","issn_l":"1751-2433","issn":["1751-2433","1751-2441"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Expert Review of Clinical Pharmacology","raw_type":"journal-article"},{"id":"pmid:34227438","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/34227438","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":"Expert review of clinical pharmacology","raw_type":"Letter"}],"best_oa_location":{"id":"doi:10.1080/17512433.2021.1951473","doi":"https://doi.org/10.1080/17512433.2021.1951473","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17512433.2021.1951473","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17512433.2021.1951473?needAccess=true&role=button","source":{"id":"https://openalex.org/S102962966","display_name":"Expert Review of Clinical Pharmacology","issn_l":"1751-2433","issn":["1751-2433","1751-2441"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","doyens","jufo-1","ki-jl-1","medline","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Expert Review of Clinical Pharmacology","raw_type":"journal-article"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3177516331.pdf","grobid_xml":"https://content.openalex.org/works/W3177516331.grobid-xml"},"referenced_works_count":15,"referenced_works":["https://openalex.org/W2013208274","https://openalex.org/W2031158571","https://openalex.org/W2137981069","https://openalex.org/W2171603114","https://openalex.org/W2346366048","https://openalex.org/W2520689516","https://openalex.org/W2563752423","https://openalex.org/W2612600212","https://openalex.org/W2788337440","https://openalex.org/W2831064708","https://openalex.org/W3087536420","https://openalex.org/W3097910435","https://openalex.org/W3160990818","https://openalex.org/W3164618783","https://openalex.org/W4239734876"],"related_works":["https://openalex.org/W4385587359","https://openalex.org/W4377151426","https://openalex.org/W1967744186","https://openalex.org/W3207429845","https://openalex.org/W2980378453","https://openalex.org/W2469138222","https://openalex.org/W3021421529","https://openalex.org/W4389052585","https://openalex.org/W2504035892","https://openalex.org/W2151994805"],"abstract_inverted_index":{"Dear":[0],"Editors,Unblinding":[1],"is":[2],"an":[3],"important":[4],"confounding":[5],"in":[6],"pharmacological":[7],"research":[8],"potentially":[9],"affecting":[10],"rigor":[11],"and":[12],"objectivity":[13],"of":[14],"the":[15],"scientific":[16],"data":[17],"underlying":[18],"evidence-based":[19],"medicine.":[20],"Therefore,":[21],"I":[22],"w...":[23]},"counts_by_year":[{"year":2026,"cited_by_count":7},{"year":2025,"cited_by_count":11},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":7}],"updated_date":"2026-10-12T09:40:04.860316","created_date":"2025-10-10T00:00:00"}