Evidence map›Paper›PMID 42108432›Full record

ArticleBMC infectious diseases2026

An Antimicrobial susceptibility study to compare the in vitro activity of antimicrobial agents in the Philippines against Enterobacterales and Pseudomonas aeruginosa from different infection sites: results from ATLAS surveillance program (2018-2021).

Myrna Mendoza, Evelina Lagamayo, Marie Yvette Barez, Vaidehi Wadhwa, Evan Payawal

Abstract readComparative Study
In one paragraph

Article in BMC infectious diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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4 · The record

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5 · Who and what money

Authors and funding

5 authors.

Myrna MendozaConsultant, Section of Infectious Diseases, Department of Medicine, National Kidney and Transplant Institute, Quezon City, Philippines.
Evelina LagamayoClinical Pathologist and Clinical Microbiologist at St Luke's Medical Center Bonifacio Global City, Chinese General and Medical Center; Faculty of Medicine and Surgery, Department of Laboratory Medicine, University of Santo Tomas Hospital, Manila City, Philippines.
Marie Yvette BarezChairperson, Infection Prevention and Control Committee Davao Doctors Hospital, Davao City, Philippines.
Vaidehi WadhwaMERA Medical Communications and Content Lead, Pfizer Private Limited, Mumbai, India.
Evan PayawalSenior Medical Manager and Medical Affairs Point of Contact, Pfizer Philippines Inc, Makati City, Philippines. evan.payawal@pfizer.com.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundThis antimicrobial surveillance study reports the in vitro antimicrobial activity and susceptibility data of various antimicrobials against Enterobacterales and Pseudomonas aeruginosa isolates in the Philippines.

methodsIsolates were collected from three clinical sites in the Philippines between 2018 and 2021, as part of the Antimicrobial Testing Leadership and Surveillance (ATLAS) program. A central laboratory (International Health Management Associates, Inc.) performed antimicrobial susceptibility testing using broth microdilution methodology according to Clinical Laboratory Standards Institute (CLSI) guidelines. Minimum inhibitory concentrations (MICs) were interpreted using the CLSI (2023) breakpoints.

resultsA total of 1503 isolates were collected in the ATLAS program from 2018 to 2021. The top three pathogens throughout the study period were Pseudomonas aeruginosa (30.8%), Klebsiella pneumoniae (24.1%), and Escherichia coli (20.8%). Based on the CLSI (2023) breakpoints, isolates of Enterobacterales were highly susceptible to amikacin (98.6%), tigecycline (96.9%) and ceftazidime-avibactam (95.9%), while P. aeruginosa isolates were most susceptible to amikacin (96.5%), ceftazidime-avibactam (94.0%) and ceftolozane-tazobactam (92.7%).

conclusionThe present ATLAS study provides essential insights on the prevalence and susceptibility patterns of Enterobacterales and P. aeruginosa isolates in the Philippines. Ceftazidime-avibactam is a valuable and effective treatment option due to its potent activity against Enterobacterales and P. aeruginosa. Continuous surveillance is important in improving antimicrobial stewardship and antibiotic prescriptions in the country.

Indexed as

Anti-Bacterial AgentsEnterobacteriaceaeEnterobacteriaceae InfectionsPseudomonas aeruginosaAmikacinAzabicyclo CompoundsCeftazidimeDrug CombinationsHumansMicrobial Sensitivity TestsPhilippinesPseudomonas InfectionsTazobactamThird Generation CephalosporinsTigecyclineAmikacinAnti-Bacterial Agentsavibactam, ceftazidime drug combinationAzabicyclo CompoundsCeftazidimeDrug CombinationsTazobactamThird Generation CephalosporinsTigecyclineAntimicrobial surveillanceAntimicrobial susceptibilityATLASCeftazidime-avibactamEnterobacteralesPhilippinesPseudomonas aeruginosa

Identifiers

PMID42108432
PMCPMC13335377

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