{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,5]],"date-time":"2026-10-05T18:17:49Z","timestamp":1791224269162,"version":"4.1.0"},"reference-count":44,"publisher":"American Medical Association (AMA)","issue":"11","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JAMA"],"published-print":{"date-parts":[[2023,9,19]]},"abstract":"\n Importance<\/jats:title>\n Acute sinusitis is one of the most common indications for antibiotic prescribing in children, with an estimated 4.9 million such prescriptions in the US annually. Consensus does not exist regarding the optimal empirical antibiotic.<\/jats:p>\n <\/jats:sec>\n \n Objective<\/jats:title>\n To compare amoxicillin-clavulanate vs amoxicillin for the treatment of acute sinusitis in outpatient children.<\/jats:p>\n <\/jats:sec>\n \n Design, Setting, and Participants<\/jats:title>\n Cohort study of children and adolescents aged 17 years or younger with a new outpatient diagnosis of acute sinusitis and a same-day new prescription dispensation of amoxicillin-clavulanate or amoxicillin in a nationwide health care utilization database. Propensity score matching was used to mitigate confounding.<\/jats:p>\n <\/jats:sec>\n \n Exposure<\/jats:title>\n A new prescription dispensation of amoxicillin-clavulanate or amoxicillin.<\/jats:p>\n <\/jats:sec>\n \n Main Outcomes and Measures<\/jats:title>\n Treatment failure, defined as an aggregate of a new antibiotic dispensation, emergency department or inpatient encounter for acute sinusitis, or inpatient encounter for a sinusitis complication, was assessed 1 to 14 days after cohort enrollment. Adverse events were evaluated, including gastrointestinal symptoms, hypersensitivity and skin reactions, acute kidney injury, and secondary infections.<\/jats:p>\n <\/jats:sec>\n \n Results<\/jats:title>\n The cohort included 320\u202f141 patients. After propensity score matching, there were 198\u202f942 patients (99\u202f471 patients per group), including 100\u202f340 (50.4%) who were female, 101\u202f726 (51.1%) adolescents aged 12 to 17 years, 52\u202f149 (26.2%) children aged 6 to 11 years, and 45\u202f067 (22.7%) children aged 0 to 5 years. Treatment failure occurred in 3.1% overall; 0.05% had serious failure (an emergency department or inpatient encounter). The relative risk of treatment failure for the amoxicillin-clavulanate group compared to the amoxicillin group was 1.10 (95% CI, 1.05-1.16). The risk of gastrointestinal symptoms (RR, 1.15 [95% CI, 1.05-1.25]) and yeast infections (RR, 1.33 [95% CI, 1.16-1.54]) was higher with amoxicillin-clavulanate. After patients were stratified by age, the risk of treatment failure after amoxicillin-clavulanate was an RR of 1.21 (95% CI, 1.09-1.33) for ages 0 to 5 years; RR was 1.16 (95% CI, 1.05-1.29) for 6 to 11 years; and RR was 0.95 (95% CI, 0.88-1.02) for 12 to 17 years. The age-stratified risk of adverse events after amoxicillin-clavulanate was an RR of 1.23 (95% CI, 1.10-1.37) for ages 0 to 5 years; RR was 1.19 (95% CI, 1.04-1.35) for 6 to 11 years; and RR was 1.04 (95% CI, 0.95-1.14) for 12 to 17 years.<\/jats:p>\n <\/jats:sec>\n \n Conclusions and Relevance<\/jats:title>\n In children with acute sinusitis who were treated as outpatients, amoxicillin-clavulanate compared with amoxicillin was associated with a slightly higher risk of treatment failure, defined as lack of effectiveness or intolerability, and amoxicillin-clavulanate was associated with a higher risk of gastrointestinal symptoms and yeast infections. These findings may help inform decisions for empirical antibiotic selection in acute sinusitis.<\/jats:p>\n <\/jats:sec>","DOI":"10.1001\/jama.2023.15503","type":"journal-article","created":{"date-parts":[[2023,9,18]],"date-time":"2023-09-18T11:01:00Z","timestamp":1695034860000},"page":"1064","source":"Crossref","is-referenced-by-count":35,"title":["Treatment Failure and Adverse Events After Amoxicillin-Clavulanate vs Amoxicillin for Pediatric Acute Sinusitis"],"prefix":"10.1001","volume":"330","author":[{"given":"Timothy J.","family":"Savage","sequence":"first","affiliation":[{"name":"Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Brigham and Women\u2019s Hospital, Boston, Massachusetts"},{"name":"Division of Infectious Diseases, Department of Pediatrics, Boston Children\u2019s Hospital, Boston, Massachusetts"},{"name":"Harvard Medical School, Boston, Massachusetts"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew 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