{"id":"https://openalex.org/W7222579866","doi":"https://doi.org/10.3389/fphar.2026.1900992","title":"Comparison of azithromycin and doxycycline for the treatment of Chlamydia psittaci pneumonia","display_name":"Comparison of azithromycin and doxycycline for the treatment of Chlamydia psittaci pneumonia","publication_year":2026,"publication_date":"2026-10-16","ids":{"openalex":"https://openalex.org/W7222579866","doi":"https://doi.org/10.3389/fphar.2026.1900992","pmid":"https://pubmed.ncbi.nlm.nih.gov/42964274","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/13719482"},"language":"en","primary_location":{"id":"doi:10.3389/fphar.2026.1900992","doi":"https://doi.org/10.3389/fphar.2026.1900992","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fphar.2026.1900992","pdf_url":"https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2026.1900992/pdf","source":{"id":"https://openalex.org/S132108250","display_name":"Frontiers in Pharmacology","issn_l":"1663-9812","issn":["1663-9812"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Pharmacology","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2026.1900992/pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5028119955","display_name":"Ran Cheng","orcid":"https://orcid.org/0000-0001-8623-4120","observed_orcids":["https://orcid.org/0000-0001-8623-4120"]},"institutions":[{"id":"https://openalex.org/I4210141942","display_name":"Peking University Third Hospital","ror":"https://ror.org/04wwqze12","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210141942"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ran Cheng","raw_affiliation_strings":["Department of Infectious Diseases, Peking University Third Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Infectious Diseases, Peking University Third Hospital","institution_ids":["https://openalex.org/I4210141942"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136016408","display_name":"Zhonghua Deng","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210141942","display_name":"Peking University Third Hospital","ror":"https://ror.org/04wwqze12","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210141942"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhonghua Deng","raw_affiliation_strings":["Department of Infectious Diseases, Peking University Third Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Infectious Diseases, Peking University Third Hospital","institution_ids":["https://openalex.org/I4210141942"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101432452","display_name":"Fei Lin","orcid":"https://orcid.org/0000-0001-6646-5597","observed_orcids":["https://orcid.org/0000-0001-6646-5597"]},"institutions":[{"id":"https://openalex.org/I4210141942","display_name":"Peking University Third Hospital","ror":"https://ror.org/04wwqze12","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210141942"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fei Lin","raw_affiliation_strings":["Department of Infectious Diseases, Peking University Third Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Infectious Diseases, Peking University Third Hospital","institution_ids":["https://openalex.org/I4210141942"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012222650","display_name":"Biying Zhang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210141942","display_name":"Peking University Third Hospital","ror":"https://ror.org/04wwqze12","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210141942"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Biying Zhang","raw_affiliation_strings":["Department of Infectious Diseases, Peking University Third Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Infectious Diseases, Peking University Third Hospital","institution_ids":["https://openalex.org/I4210141942"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5125938976","display_name":"Jingjin Liang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210141942","display_name":"Peking University Third Hospital","ror":"https://ror.org/04wwqze12","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210141942"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jingjin Liang","raw_affiliation_strings":["Department of Infectious Diseases, Peking University Third Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Infectious Diseases, Peking University Third Hospital","institution_ids":["https://openalex.org/I4210141942"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5125899873","display_name":"Ming Lu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210141942","display_name":"Peking University Third Hospital","ror":"https://ror.org/04wwqze12","country_code":"CN","type":"healthcare","lineage":["https://openalex.org/I4210141942"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Ming Lu","raw_affiliation_strings":["Department of Respiratory and Critical Care Medicine, Peking University Third Hospital"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Respiratory and Critical Care Medicine, Peking University Third Hospital","institution_ids":["https://openalex.org/I4210141942"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5125899873"],"corresponding_institution_ids":["https://openalex.org/I4210141942"],"apc_list":{"value":3150,"currency":"CHF","value_usd":3801},"apc_paid":{"value":3150,"currency":"CHF","value_usd":3801},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.78661706,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"17","issue":null,"first_page":"1900992","last_page":"1900992"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10654","display_name":"Pneumonia and Respiratory Infections","score":0.8734999895095825,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T10654","display_name":"Pneumonia and Respiratory Infections","score":0.8734999895095825,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"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/T11688","display_name":"Microbial infections and disease research","score":0.05719999969005585,"subfield":{"id":"https://openalex.org/subfields/2404","display_name":"Microbiology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10428","display_name":"Reproductive tract infections research","score":0.005100000184029341,"subfield":{"id":"https://openalex.org/subfields/2404","display_name":"Microbiology"},"field":{"id":"https://openalex.org/fields/24","display_name":"Immunology and Microbiology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/chlamydia-psittaci-pneumonia","display_name":"Chlamydia psittaci pneumonia","score":0.9980000257492065},{"id":"https://openalex.org/keywords/azithromycin","display_name":"azithromycin","score":0.9070000052452087},{"id":"https://openalex.org/keywords/doxycycline","display_name":"doxycycline","score":1.0},{"id":"https://openalex.org/keywords/macrolides","display_name":"macrolides","score":0.8569999933242798},{"id":"https://openalex.org/keywords/antibiotic-treatment-comparison","display_name":"antibiotic comparison","score":0.6759999990463257},{"id":"https://openalex.org/keywords/clinical-outcomes","display_name":"clinical outcomes","score":0.7160000205039978},{"id":"https://openalex.org/keywords/intensive-care-unit-admission","display_name":"intensive care unit admission","score":0.7229999899864197},{"id":"https://openalex.org/keywords/mortality","display_name":"mortality","score":0.8050000071525574},{"id":"https://openalex.org/keywords/length-of-hospital-stay","display_name":"length of hospital stay","score":0.8560000061988831},{"id":"https://openalex.org/keywords/treatment-selection-bias","display_name":"treatment selection bias","score":0.5490000247955322}],"concepts":[{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.9003000259399414},{"id":"https://openalex.org/C2778907293","wikidata":"https://www.wikidata.org/wiki/Q165399","display_name":"Azithromycin","level":3,"score":0.8837000131607056},{"id":"https://openalex.org/C2777179404","wikidata":"https://www.wikidata.org/wiki/Q422442","display_name":"Doxycycline","level":3,"score":0.8827999830245972},{"id":"https://openalex.org/C2777667758","wikidata":"https://www.wikidata.org/wiki/Q134275","display_name":"Chlamydia psittaci","level":3,"score":0.7315000295639038},{"id":"https://openalex.org/C126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","level":1,"score":0.6359999775886536},{"id":"https://openalex.org/C2777914695","wikidata":"https://www.wikidata.org/wiki/Q12192","display_name":"Pneumonia","level":2,"score":0.6223999857902527},{"id":"https://openalex.org/C77350462","wikidata":"https://www.wikidata.org/wiki/Q1125472","display_name":"Confounding","level":2,"score":0.5555999875068665},{"id":"https://openalex.org/C167135981","wikidata":"https://www.wikidata.org/wiki/Q2146302","display_name":"Retrospective cohort study","level":2,"score":0.5174999833106995},{"id":"https://openalex.org/C2780122209","wikidata":"https://www.wikidata.org/wiki/Q153356","display_name":"Chlamydia","level":2,"score":0.4496000111103058},{"id":"https://openalex.org/C201903717","wikidata":"https://www.wikidata.org/wiki/Q1778788","display_name":"Cohort study","level":2,"score":0.42890000343322754},{"id":"https://openalex.org/C72563966","wikidata":"https://www.wikidata.org/wiki/Q1303415","display_name":"Cohort","level":2,"score":0.42320001125335693},{"id":"https://openalex.org/C501593827","wikidata":"https://www.wikidata.org/wiki/Q12187","display_name":"Antibiotics","level":2,"score":0.37299999594688416},{"id":"https://openalex.org/C535046627","wikidata":"https://www.wikidata.org/wiki/Q30612","display_name":"Clinical trial","level":2,"score":0.35420000553131104},{"id":"https://openalex.org/C168563851","wikidata":"https://www.wikidata.org/wiki/Q1436668","display_name":"Randomized controlled trial","level":2,"score":0.3043000102043152},{"id":"https://openalex.org/C3019249092","wikidata":"https://www.wikidata.org/wiki/Q274493","display_name":"Antibacterial agent","level":3,"score":0.3018999993801117},{"id":"https://openalex.org/C2780035454","wikidata":"https://www.wikidata.org/wiki/Q8386","display_name":"Drug","level":2,"score":0.29829999804496765},{"id":"https://openalex.org/C2776376669","wikidata":"https://www.wikidata.org/wiki/Q5094647","display_name":"Intensive care unit","level":2,"score":0.28790000081062317},{"id":"https://openalex.org/C114851261","wikidata":"https://www.wikidata.org/wiki/Q12147416","display_name":"Drug resistance","level":2,"score":0.2784000039100647},{"id":"https://openalex.org/C179755657","wikidata":"https://www.wikidata.org/wiki/Q58702","display_name":"Mortality rate","level":2,"score":0.26420000195503235},{"id":"https://openalex.org/C2779155165","wikidata":"https://www.wikidata.org/wiki/Q164727","display_name":"Psittacosis","level":2,"score":0.25999999046325684},{"id":"https://openalex.org/C205545832","wikidata":"https://www.wikidata.org/wiki/Q17156455","display_name":"Young adult","level":2,"score":0.2572999894618988},{"id":"https://openalex.org/C500440147","wikidata":"https://www.wikidata.org/wiki/Q701216","display_name":"Pharmacotherapy","level":2,"score":0.25690001249313354}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3389/fphar.2026.1900992","doi":"https://doi.org/10.3389/fphar.2026.1900992","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fphar.2026.1900992","pdf_url":"https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2026.1900992/pdf","source":{"id":"https://openalex.org/S132108250","display_name":"Frontiers in Pharmacology","issn_l":"1663-9812","issn":["1663-9812"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Pharmacology","raw_type":"journal-article"},{"id":"pmh:oai:pubmedcentral.nih.gov:13719482","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC13719482/","pdf_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC13719482/pdf/fphar-17-1900992.pdf","source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Front Pharmacol","raw_type":"Text"},{"id":"pmid:42964274","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42964274","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":"Frontiers in pharmacology","raw_type":"Journal Article"},{"id":"pmh:oai:doaj.org/article:2744b454060a4918ab1a9f20d9069082","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/2744b454060a4918ab1a9f20d9069082","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Frontiers in Pharmacology, Vol 17 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3389/fphar.2026.1900992","doi":"https://doi.org/10.3389/fphar.2026.1900992","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fphar.2026.1900992","pdf_url":"https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2026.1900992/pdf","source":{"id":"https://openalex.org/S132108250","display_name":"Frontiers in Pharmacology","issn_l":"1663-9812","issn":["1663-9812"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","ki-jl-1","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Pharmacology","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":1.0}],"study_designs":[{"display_name":"Observational Study","id":"https://openalex.org/study-designs/observational-study"}],"awards":[{"id":"https://openalex.org/G45388773","display_name":null,"funder_award_id":"Z-2017-24-2202","funder_id":"https://openalex.org/F4320324095","funder_display_name":"Chinese Medical Association"}],"funders":[{"id":"https://openalex.org/F4320324095","display_name":"Chinese Medical Association","ror":"https://ror.org/044fynn32"},{"id":"https://openalex.org/F4320325891","display_name":"General Hospital of People\u2019s Liberation Army","ror":"https://ror.org/04gw3ra78"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7222579866.pdf","grobid_xml":"https://content.openalex.org/works/W7222579866.grobid-xml"},"referenced_works_count":18,"referenced_works":["https://openalex.org/W1944588767","https://openalex.org/W1987627859","https://openalex.org/W2041404228","https://openalex.org/W2091168346","https://openalex.org/W2292993637","https://openalex.org/W2339946950","https://openalex.org/W2760594806","https://openalex.org/W2980606695","https://openalex.org/W3106015430","https://openalex.org/W3128879566","https://openalex.org/W4205635411","https://openalex.org/W4385810385","https://openalex.org/W4406849031","https://openalex.org/W4407978713","https://openalex.org/W4410427456","https://openalex.org/W4411868749","https://openalex.org/W4413408786","https://openalex.org/W4414468830"],"related_works":["https://openalex.org/W2290037643","https://openalex.org/W7222800402","https://openalex.org/W4368617742","https://openalex.org/W4389030145","https://openalex.org/W4416639756","https://openalex.org/W4410427456","https://openalex.org/W7165773462","https://openalex.org/W4387473375","https://openalex.org/W2110919528","https://openalex.org/W7196969362"],"abstract_inverted_index":{"Background":[0],"and":[1,23,50,83,91,105,115,142,216,236],"Objective":[2],"Chlamydia":[3],"psittaci":[4],"pneumonia":[5],"(CPP)":[6],"has":[7],"received":[8,81,85],"increasing":[9],"clinical":[10,34,46,92,212],"attention":[11],"worldwide":[12],"in":[13,36,52,127,138,144,168,209],"recent":[14],"years.":[15],"Although":[16],"doxycycline":[17,49,82,140,215],"is":[18],"the":[19,37,97,139,145,159],"recommended":[20],"first-line":[21],"therapy":[22],"macrolides":[24],"serve":[25],"as":[26],"alternatives,":[27],"no":[28],"studies":[29],"have":[30],"directly":[31],"compared":[32,95],"their":[33],"efficacy":[35],"general":[38],"adult":[39,53,65],"population.":[40],"This":[41,58],"study":[42,62],"aimed":[43],"to":[44,76,193],"compare":[45],"outcomes":[47,93,213],"between":[48,96,110,214],"azithromycin":[51,146,217],"patients":[54,66],"with":[55,67,136],"CPP.":[56,219],"Methods":[57],"retrospective":[59],"single-center":[60],"cohort":[61],"included":[63],"57":[64],"CPP":[68],"at":[69],"Peking":[70],"University":[71],"Third":[72],"Hospital":[73],"from":[74],"2021":[75],"2025,":[77],"of":[78,181],"whom":[79],"31":[80],"26":[84],"azithromycin.":[86],"Demographic":[87],"characteristics,":[88,102],"laboratory":[89,106],"findings,":[90,107],"were":[94,108,118,166,207],"two":[98],"groups.":[99,111],"Results":[100],"Baseline":[101],"including":[103],"comorbidities":[104],"comparable":[109],"Respiratory":[112],"support":[113],"requirements":[114],"glucocorticoid":[116],"use":[117],"similar":[119],"(all":[120],"P":[121,149,188,199],">":[122],"0.05).":[123],"A":[124],"numerical":[125],"imbalance":[126],"Intensive":[128],"Care":[129],"Unit":[130],"(ICU)":[131],"admission":[132],"rate":[133,171],"was":[134],"observed,":[135],"16.1%":[137],"group":[141,147],"0%":[143],"(":[148],"=":[150,189,200],"0.056);":[151],"this":[152],"difference":[153],"likely":[154],"reflects":[155],"treatment-selection":[156],"bias":[157],"given":[158,232],"small":[160],"sample":[161],"size.":[162],"No":[163,203],"significant":[164,205],"differences":[165,206],"observed":[167,208],"28-day":[169],"discharge":[170],"(96.8%":[172],"vs.":[173,177,185,196],"100%),":[174],"mortality":[175],"(3.2%":[176],"0%),":[178],"median":[179],"length":[180],"hospital":[182],"stay":[183],"(6":[184],"6":[186],"days,":[187,198],"0.691),":[190],"or":[191,245],"time":[192],"defervescence":[194],"(2":[195],"2":[197],"0.436).":[201],"Conclusion":[202],"statistically":[204],"measured":[210],"short-term":[211],"for":[218],"Both":[220],"may":[221],"be":[222,229],"reasonable":[223],"therapeutic":[224],"options,":[225],"but":[226],"findings":[227],"should":[228],"interpreted":[230],"cautiously":[231],"limited":[233],"statistical":[234],"power":[235],"potential":[237],"confounding":[238],"by":[239],"indication,":[240],"especially":[241],"where":[242],"drug":[243],"availability":[244],"susceptibility":[246],"data":[247],"are":[248],"limited.":[249]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-10-17T00:00:00"}
