{"id":"https://openalex.org/W2999178269","doi":"https://doi.org/10.1016/s0923-7534(20)33924-7","title":"First-Line Gefitinib Treatment for Elderly Patients with Non-Small Cell Lung Cancer Harboring EGFR Mutation: Multicenter Phase II Trial CJLSG0901","display_name":"First-Line Gefitinib Treatment for Elderly Patients with Non-Small Cell Lung Cancer Harboring EGFR Mutation: Multicenter Phase II Trial CJLSG0901","publication_year":2012,"publication_date":"2012-09-01","ids":{"openalex":"https://openalex.org/W2999178269","doi":"https://doi.org/10.1016/s0923-7534(20)33924-7","mag":"2999178269"},"language":"en","primary_location":{"id":"doi:10.1016/s0923-7534(20)33924-7","doi":"https://doi.org/10.1016/s0923-7534(20)33924-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0923-7534(20)33924-7","pdf_url":null,"source":{"id":"https://openalex.org/S41454044","display_name":"Annals of Oncology","issn_l":"0923-7534","issn":["0923-7534","1569-8041"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","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":"Annals of Oncology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://doi.org/10.1016/s0923-7534(20)33924-7","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101771666","display_name":"Kosuke Takahashi","orcid":"https://orcid.org/0000-0001-9690-7472","observed_orcids":["https://orcid.org/0000-0001-9690-7472"]},"institutions":[{"id":"https://openalex.org/I4210133851","display_name":"Aichi Cancer Center","ror":"https://ror.org/03kfmm080","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210133851"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"K. Takahashi","raw_affiliation_strings":["Respiratory Medicine, Aichi Cancer Center Aichi Hospital, Okazaki, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Respiratory Medicine, Aichi Cancer Center Aichi Hospital, Okazaki, JAPAN","institution_ids":["https://openalex.org/I4210133851"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044298809","display_name":"Hiroshi Saito","orcid":"https://orcid.org/0000-0002-3338-478X","observed_orcids":["https://orcid.org/0000-0002-3338-478X"]},"institutions":[{"id":"https://openalex.org/I4210133851","display_name":"Aichi Cancer Center","ror":"https://ror.org/03kfmm080","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210133851"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"H. Saito","raw_affiliation_strings":["Respiratory Medicine, Aichi Cancer Center Aichi Hospital, Okazaki, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Respiratory Medicine, Aichi Cancer Center Aichi Hospital, Okazaki, JAPAN","institution_ids":["https://openalex.org/I4210133851"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103073647","display_name":"Masashi Yamamoto","orcid":"https://orcid.org/0000-0002-9447-6602","observed_orcids":["https://orcid.org/0000-0002-9447-6602"]},"institutions":[{"id":"https://openalex.org/I4210117036","display_name":"Nagoya Ekisaikai Hospital","ror":"https://ror.org/01nhcyg40","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210117036"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"M. Yamamoto","raw_affiliation_strings":["Respiratory Medicine, Nagoya Ekisaikai Hospital, Nagoya, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Respiratory Medicine, Nagoya Ekisaikai Hospital, Nagoya, JAPAN","institution_ids":["https://openalex.org/I4210117036"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036463979","display_name":"Eiji Kojima","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210146677","display_name":"Komaki City Hospital","ror":"https://ror.org/04eht1y76","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210146677"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"E. Kojima","raw_affiliation_strings":["Respiratory Medicine, Komaki Municipal Hospital, Komaki, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Respiratory Medicine, Komaki Municipal Hospital, Komaki, JAPAN","institution_ids":["https://openalex.org/I4210146677"]}]},{"author_position":"middle","author":{"id":null,"display_name":"T. Yokoyama","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210132181","display_name":"Japanese Red Cross Nagoya Daiichi Hospital","ror":"https://ror.org/03f918r09","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I2799517759","https://openalex.org/I4210132181"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Yokoyama","raw_affiliation_strings":["Respiratory Medicine, Japanese Red Cross Nagoya Daiichi Hospital, Nagoya, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Respiratory Medicine, Japanese Red Cross Nagoya Daiichi Hospital, Nagoya, JAPAN","institution_ids":["https://openalex.org/I4210132181"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060250789","display_name":"Yasuteru Sugino","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210092859","display_name":"Toyota Memorial Hospital","ror":"https://ror.org/00hcz6468","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210092859"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Y. Sugino","raw_affiliation_strings":["Respiratory Medicine, Toyota Memorial Hospital, Toyota, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Respiratory Medicine, Toyota Memorial Hospital, Toyota, JAPAN","institution_ids":["https://openalex.org/I4210092859"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5050825138","display_name":"Tomoki Kimura","orcid":"https://orcid.org/0000-0001-9745-3329","observed_orcids":["https://orcid.org/0000-0001-9745-3329"]},"institutions":[{"id":"https://openalex.org/I4210158988","display_name":"Tosei General Hospital","ror":"https://ror.org/04yveyc27","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210158988"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Kimura","raw_affiliation_strings":["Respiratory Medicine and Allergy, Tosei General Hospital, Seto, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Respiratory Medicine and Allergy, Tosei General Hospital, Seto, JAPAN","institution_ids":["https://openalex.org/I4210158988"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045360676","display_name":"T. Ogasawara","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210153328","display_name":"Japanese Red Cross Nagoya Daini Hospital","ror":"https://ror.org/043pqsk20","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I2799517759","https://openalex.org/I4210153328"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"T. Ogasawara","raw_affiliation_strings":["Respiratory Medicine, NagoyaDaini Red Cross Hospital, Nagoya, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Respiratory Medicine, NagoyaDaini Red Cross Hospital, Nagoya, JAPAN","institution_ids":["https://openalex.org/I4210153328"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001596834","display_name":"Ritsuro Suzuki","orcid":"https://orcid.org/0000-0002-5974-7614","observed_orcids":["https://orcid.org/0000-0002-5974-7614"]},"institutions":[{"id":"https://openalex.org/I4210145862","display_name":"Toyohashi Municipal Hospital","ror":"https://ror.org/03h3tds63","country_code":"JP","type":"healthcare","lineage":["https://openalex.org/I4210145862"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"R. Suzuki","raw_affiliation_strings":["Respiratory Medicine, Toyohashi Municipal Hospital, Toyohashi, JAPAN"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Respiratory Medicine, Toyohashi Municipal Hospital, Toyohashi, JAPAN","institution_ids":["https://openalex.org/I4210145862"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101770617","display_name":"Yoshinori Hasegawa","orcid":"https://orcid.org/0000-0003-3841-4631","observed_orcids":["https://orcid.org/0000-0003-3841-4631","https://orcid.org/0009-0006-7831-4087"]},"institutions":[{"id":"https://openalex.org/I60134161","display_name":"Nagoya University","ror":"https://ror.org/04chrp450","country_code":"JP","type":"education","lineage":["https://openalex.org/I60134161"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Y. Hasegawa","raw_affiliation_strings":["Respiratory medicine, Nagoya University Graduate School of Medicine, Nagoya,  Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Respiratory medicine, Nagoya University Graduate School of Medicine, Nagoya,  Japan","institution_ids":["https://openalex.org/I60134161"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":9,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":5080,"currency":"USD","value_usd":5080},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":95},"biblio":{"volume":"23","issue":null,"first_page":"ix434","last_page":"ix434"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10417","display_name":"Lung Cancer Treatments and Mutations","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10417","display_name":"Lung Cancer Treatments and Mutations","score":1.0,"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"}},{"id":"https://openalex.org/T10202","display_name":"Lung Cancer Diagnosis and Treatment","score":9.999999747378752e-05,"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"}},{"id":"https://openalex.org/T12334","display_name":"Lung Cancer Research Studies","score":0.0,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"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/gefitinib","display_name":"gefitinib","score":0.9990000128746033},{"id":"https://openalex.org/keywords/non-small-cell-lung-cancer","display_name":"non-small cell lung cancer","score":0.8759999871253967},{"id":"https://openalex.org/keywords/egfr-mutation","display_name":"EGFR mutation","score":0.9120000004768372},{"id":"https://openalex.org/keywords/elderly-patients","display_name":"elderly patients","score":0.9850000143051147},{"id":"https://openalex.org/keywords/first-line-treatment","display_name":"first-line therapy","score":0.8859999775886536},{"id":"https://openalex.org/keywords/exon-19-deletion","display_name":"exon 19 deletion","score":0.9430000185966492},{"id":"https://openalex.org/keywords/egfr-l858r-mutation","display_name":"L858R mutation","score":0.9909999966621399},{"id":"https://openalex.org/keywords/adenocarcinoma","display_name":"adenocarcinoma","score":0.8309999704360962},{"id":"https://openalex.org/keywords/quality-of-life","display_name":"quality of life","score":0.8180000185966492},{"id":"https://openalex.org/keywords/interstitial-lung-disease","display_name":"interstitial lung disease","score":0.8080000281333923},{"id":"https://openalex.org/keywords/progression-free-survival","display_name":"progression-free survival","score":0.6380000114440918},{"id":"https://openalex.org/keywords/treatment-safety","display_name":"treatment safety","score":0.3070000112056732}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9403345584869385},{"id":"https://openalex.org/C2780580887","wikidata":"https://www.wikidata.org/wiki/Q417824","display_name":"Gefitinib","level":4,"score":0.9033262729644775},{"id":"https://openalex.org/C143998085","wikidata":"https://www.wikidata.org/wiki/Q162555","display_name":"Oncology","level":1,"score":0.635286271572113},{"id":"https://openalex.org/C2776256026","wikidata":"https://www.wikidata.org/wiki/Q47912","display_name":"Lung cancer","level":2,"score":0.5780864953994751},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.5474430322647095},{"id":"https://openalex.org/C501734568","wikidata":"https://www.wikidata.org/wiki/Q42918","display_name":"Mutation","level":3,"score":0.5058183670043945},{"id":"https://openalex.org/C2992435398","wikidata":"https://www.wikidata.org/wiki/Q6934595","display_name":"Multicenter study","level":3,"score":0.4823319613933563},{"id":"https://openalex.org/C2775965419","wikidata":"https://www.wikidata.org/wiki/Q6934595","display_name":"Multicenter trial","level":4,"score":0.47797271609306335},{"id":"https://openalex.org/C31760486","wikidata":"https://www.wikidata.org/wiki/Q7180990","display_name":"Phases of clinical research","level":3,"score":0.41704797744750977},{"id":"https://openalex.org/C535046627","wikidata":"https://www.wikidata.org/wiki/Q30612","display_name":"Clinical trial","level":2,"score":0.35002273321151733},{"id":"https://openalex.org/C121608353","wikidata":"https://www.wikidata.org/wiki/Q12078","display_name":"Cancer","level":2,"score":0.34161704778671265},{"id":"https://openalex.org/C2779438470","wikidata":"https://www.wikidata.org/wiki/Q424401","display_name":"Epidermal growth factor receptor","level":3,"score":0.3093864917755127},{"id":"https://openalex.org/C54355233","wikidata":"https://www.wikidata.org/wiki/Q7162","display_name":"Genetics","level":1,"score":0.12905576825141907},{"id":"https://openalex.org/C168563851","wikidata":"https://www.wikidata.org/wiki/Q1436668","display_name":"Randomized controlled trial","level":2,"score":0.10574555397033691},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.04806312918663025},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/s0923-7534(20)33924-7","doi":"https://doi.org/10.1016/s0923-7534(20)33924-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0923-7534(20)33924-7","pdf_url":null,"source":{"id":"https://openalex.org/S41454044","display_name":"Annals of Oncology","issn_l":"0923-7534","issn":["0923-7534","1569-8041"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","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":"Annals of Oncology","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1016/s0923-7534(20)33924-7","doi":"https://doi.org/10.1016/s0923-7534(20)33924-7","is_oa":true,"landing_page_url":"https://doi.org/10.1016/s0923-7534(20)33924-7","pdf_url":null,"source":{"id":"https://openalex.org/S41454044","display_name":"Annals of Oncology","issn_l":"0923-7534","issn":["0923-7534","1569-8041"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-a","doyens","jufo-3","ki-jl-3","medline","norway-2","poland-200","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":"Annals of Oncology","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","score":1.0,"display_name":"Good health and well-being"}],"study_designs":[{"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":0,"referenced_works":[],"related_works":["https://openalex.org/W2061243857","https://openalex.org/W2138434790","https://openalex.org/W2513934852","https://openalex.org/W1966713566","https://openalex.org/W2230979823","https://openalex.org/W2129685184","https://openalex.org/W4200316028","https://openalex.org/W2064456374","https://openalex.org/W1973817016","https://openalex.org/W2589801121"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-09-27T08:07:27.782135","created_date":"2020-01-23T00:00:00"}
