{"id":"https://openalex.org/W2009594566","doi":"https://doi.org/10.1615/critrevtherdrugcarriersyst.v15.i3.20","title":"Gastric Retentive Drug-Delivery Systems","display_name":"Gastric Retentive Drug-Delivery Systems","publication_year":1998,"publication_date":"1998-01-01","ids":{"openalex":"https://openalex.org/W2009594566","doi":"https://doi.org/10.1615/critrevtherdrugcarriersyst.v15.i3.20","mag":"2009594566","pmid":"https://pubmed.ncbi.nlm.nih.gov/9699081"},"language":"en","primary_location":{"id":"doi:10.1615/critrevtherdrugcarriersyst.v15.i3.20","doi":"https://doi.org/10.1615/critrevtherdrugcarriersyst.v15.i3.20","is_oa":false,"landing_page_url":"https://doi.org/10.1615/critrevtherdrugcarriersyst.v15.i3.20","pdf_url":null,"source":{"id":"https://openalex.org/S22829174","display_name":"Critical Reviews in Therapeutic Drug Carrier Systems","issn_l":"0743-4863","issn":["0743-4863","2162-660X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","medline","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315730","host_organization_name":"Begell House","host_organization_lineage":["https://openalex.org/P4310315730"],"host_organization_lineage_names":["Begell House"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Critical Reviews\u0099 in Therapeutic Drug Carrier Systems","raw_type":"journal-article"},"volume":null,"type":"article","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/A5056562604","display_name":"Kinam Park","orcid":"https://orcid.org/0000-0001-8202-6084","observed_orcids":["https://orcid.org/0000-0001-8202-6084"]},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Kinam Park","raw_affiliation_strings":["Purdue University, Departments of Pharmaceutics and Biomedical Engineering, West Lafayette, Indiana, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Purdue University, Departments of Pharmaceutics and Biomedical Engineering, West Lafayette, Indiana, USA","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048375813","display_name":"Haesun Park","orcid":"https://orcid.org/0000-0001-6266-8151","observed_orcids":["https://orcid.org/0000-0001-6266-8151"]},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Haesun Park","raw_affiliation_strings":["Purdue University, School of Pharmacy, West Lafayette, IN 47907"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Purdue University, School of Pharmacy, West Lafayette, IN 47907","institution_ids":["https://openalex.org/I219193219"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009663870","display_name":"Sung\u2010Joo Hwang","orcid":"https://orcid.org/0000-0001-6521-3822","observed_orcids":["https://orcid.org/0000-0001-6521-3822"]},"institutions":[{"id":"https://openalex.org/I219193219","display_name":"Purdue University West Lafayette","ror":"https://ror.org/02dqehb95","country_code":"US","type":"education","lineage":["https://openalex.org/I219193219"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Sung-Joo Hwang","raw_affiliation_strings":["Purdue University, School of Pharmacy, West Lafayette, IN 47907","Purdue University, School of Pharmacy, West Lafayette, IN 47907, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Purdue University, School of Pharmacy, West Lafayette, IN 47907","institution_ids":["https://openalex.org/I219193219"]},{"raw_affiliation_string":"Purdue University, School of Pharmacy, West Lafayette, IN 47907, USA","institution_ids":["https://openalex.org/I219193219"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I219193219"],"apc_list":null,"apc_paid":null,"fwci":2.8929,"has_fulltext":false,"cited_by_count":303,"citation_normalized_percentile":{"value":0.89369708,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":100},"biblio":{"volume":"15","issue":"3","first_page":"42","last_page":"42"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10920","display_name":"Advanced Drug Delivery Systems","score":0.989300012588501,"subfield":{"id":"https://openalex.org/subfields/3003","display_name":"Pharmaceutical Science"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10920","display_name":"Advanced Drug Delivery Systems","score":0.989300012588501,"subfield":{"id":"https://openalex.org/subfields/3003","display_name":"Pharmaceutical Science"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10256","display_name":"Drug Solubulity and Delivery Systems","score":0.008500000461935997,"subfield":{"id":"https://openalex.org/subfields/3003","display_name":"Pharmaceutical Science"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11651","display_name":"Inhalation and Respiratory Drug Delivery","score":0.0006000000284984708,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/gastric-retention","display_name":"gastric retention","score":0.878000020980835},{"id":"https://openalex.org/keywords/floating-drug-delivery-systems","display_name":"floating drug delivery systems","score":0.8059999942779541},{"id":"https://openalex.org/keywords/mucoadhesive-drug-delivery","display_name":"mucoadhesive drug delivery","score":0.9459999799728394},{"id":"https://openalex.org/keywords/magnetic-drug-targeting","display_name":"magnetic drug delivery","score":0.9169999957084656},{"id":"https://openalex.org/keywords/superporous-hydrogels","display_name":"superporous hydrogels","score":0.9700000286102295},{"id":"https://openalex.org/keywords/gastrointestinal-transit","display_name":"gastrointestinal transit","score":0.8550000190734863},{"id":"https://openalex.org/keywords/gastric-residence-time","display_name":"gastric residence time","score":0.6570000052452087},{"id":"https://openalex.org/keywords/gastrointestinal-physiology","display_name":"digestive physiology","score":0.597000002861023}],"concepts":[{"id":"https://openalex.org/C2779820397","wikidata":"https://www.wikidata.org/wiki/Q1392806","display_name":"Drug delivery","level":2,"score":0.6708279848098755},{"id":"https://openalex.org/C77281830","wikidata":"https://www.wikidata.org/wiki/Q718608","display_name":"Dosage form","level":2,"score":0.630922794342041},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.5051310658454895},{"id":"https://openalex.org/C2983812674","wikidata":"https://www.wikidata.org/wiki/Q134808","display_name":"Delivery system","level":2,"score":0.49222126603126526},{"id":"https://openalex.org/C3019981671","wikidata":"https://www.wikidata.org/wiki/Q5165929","display_name":"Immediate release","level":2,"score":0.4434923827648163},{"id":"https://openalex.org/C2780035454","wikidata":"https://www.wikidata.org/wiki/Q8386","display_name":"Drug","level":2,"score":0.4216899871826172},{"id":"https://openalex.org/C2780512811","wikidata":"https://www.wikidata.org/wiki/Q11829360","display_name":"Gastrointestinal tract","level":2,"score":0.41471922397613525},{"id":"https://openalex.org/C98274493","wikidata":"https://www.wikidata.org/wiki/Q128406","display_name":"Pharmacology","level":1,"score":0.4007754921913147},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3372943699359894},{"id":"https://openalex.org/C177713679","wikidata":"https://www.wikidata.org/wiki/Q679690","display_name":"Intensive care medicine","level":1,"score":0.3259321451187134},{"id":"https://openalex.org/C19527891","wikidata":"https://www.wikidata.org/wiki/Q1120908","display_name":"Medical physics","level":1,"score":0.32420071959495544},{"id":"https://openalex.org/C171250308","wikidata":"https://www.wikidata.org/wiki/Q11468","display_name":"Nanotechnology","level":1,"score":0.2003096044063568},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.14302301406860352},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.12180554866790771}],"mesh":[{"descriptor_ui":"D000284","descriptor_name":"Administration, Oral","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000284","descriptor_name":"Administration, Oral","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000284","descriptor_name":"Administration, Oral","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003692","descriptor_name":"Delayed-Action Preparations","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003692","descriptor_name":"Delayed-Action Preparations","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D003692","descriptor_name":"Delayed-Action Preparations","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004064","descriptor_name":"Digestive System","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D004064","descriptor_name":"Digestive System","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D004064","descriptor_name":"Digestive System","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D004068","descriptor_name":"Digestive System Physiological Phenomena","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004068","descriptor_name":"Digestive System Physiological Phenomena","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004068","descriptor_name":"Digestive System Physiological Phenomena","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004355","descriptor_name":"Drug Stability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004355","descriptor_name":"Drug Stability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004355","descriptor_name":"Drug Stability","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D005753","descriptor_name":"Gastric Mucosa","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D005753","descriptor_name":"Gastric Mucosa","qualifier_ui":"Q000378","qualifier_name":"metabolism","is_major_topic":false},{"descriptor_ui":"D005753","descriptor_name":"Gastric Mucosa","qualifier_ui":"Q000378","qualifier_name":"metabolism","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":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016503","descriptor_name":"Drug Delivery Systems","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D016503","descriptor_name":"Drug Delivery Systems","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D016503","descriptor_name":"Drug Delivery Systems","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1615/critrevtherdrugcarriersyst.v15.i3.20","doi":"https://doi.org/10.1615/critrevtherdrugcarriersyst.v15.i3.20","is_oa":false,"landing_page_url":"https://doi.org/10.1615/critrevtherdrugcarriersyst.v15.i3.20","pdf_url":null,"source":{"id":"https://openalex.org/S22829174","display_name":"Critical Reviews in Therapeutic Drug Carrier Systems","issn_l":"0743-4863","issn":["0743-4863","2162-660X"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","medline","norway-1","poland-70","russia-white-list-1"],"host_organization":"https://openalex.org/P4310315730","host_organization_name":"Begell House","host_organization_lineage":["https://openalex.org/P4310315730"],"host_organization_lineage_names":["Begell House"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Critical Reviews\u0099 in Therapeutic Drug Carrier Systems","raw_type":"journal-article"},{"id":"pmid:9699081","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/9699081","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":"Critical reviews in therapeutic drug carrier systems","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":0.6240000128746033,"display_name":"Good health and well-being"}],"sustainable_development_goals_aurora":[{"id":"https://metadata.un.org/sdg/3","score":0.6100000143051147,"display_name":"Good health and well-being"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W3007301647","https://openalex.org/W2612310895","https://openalex.org/W2028504751","https://openalex.org/W2187353104","https://openalex.org/W2184189689","https://openalex.org/W2087343202","https://openalex.org/W2259188184","https://openalex.org/W7096394339","https://openalex.org/W7220597555","https://openalex.org/W2184700848"],"abstract_inverted_index":{"The":[0,36,66],"development":[1,80],"of":[2,14,17,68,98],"a":[3],"long-term":[4],"oral":[5],"controlled-release":[6],"dosage":[7,19],"form":[8,20],"has":[9],"been":[10,34],"difficult":[11],"mainly":[12],"because":[13],"the":[15,18,22,86,94],"transit":[16],"through":[21],"gastrointestinal":[23],"(GI)":[24],"tract.":[25],"Several":[26],"approaches":[27],"to":[28],"extend":[29],"gastric":[30],"residence":[31],"time":[32],"have":[33],"tried.":[35],"most":[37],"commonly":[38],"used":[39],"systems":[40],"are":[41,76,81,90,101],"(1)":[42],"intragastric":[43],"floating":[44],"systems,":[45,48,51,54,60],"(2)":[46],"high-density":[47],"(3)":[49],"mucoadhesive":[50],"(4)":[52],"magnetic":[53],"(5)":[55],"unfoldable,":[56],"extendible,":[57],"or":[58],"swellable":[59],"and":[61,73,96],"(6)":[62],"superporous":[63],"hydrogel":[64],"systems.":[65],"concept":[67,95],"each":[69,99],"approach":[70,100],"is":[71],"examined,":[72],"improvements":[74],"that":[75,89],"needed":[77],"for":[78,92],"further":[79],"discussed.":[82],"Background":[83],"materials":[84],"in":[85],"GI":[87],"physiology":[88],"necessary":[91],"understanding":[93],"usefulness":[97],"also":[102],"provided.":[103]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":10},{"year":2020,"cited_by_count":8},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":12},{"year":2017,"cited_by_count":9},{"year":2016,"cited_by_count":14},{"year":2015,"cited_by_count":10},{"year":2014,"cited_by_count":28},{"year":2013,"cited_by_count":18},{"year":2012,"cited_by_count":22}],"updated_date":"2026-10-29T09:56:32.521200","created_date":"2016-06-24T00:00:00"}
