ANTIBIOTIC period in sufferers with left-sided infective endocarditis was considerably diminished with out compromising security within the POET-II trial, in line with findings offered in the course of the European Society of Cardiology (ESC) Congress 2026.
The examine evaluated whether or not antibiotic remedy size might be individualised based mostly on sufferers’ medical response, difficult the long-standing apply of administering remedy for as much as 6 weeks.
Infective endocarditis is a doubtlessly deadly situation involving an infection of the guts’s inside lining, usually occurring alongside bloodstream an infection. Present remedy methods usually depend on extended programs of high-dose antibiotics.
Researchers sought to find out whether or not sufferers demonstrating a beneficial early response may safely obtain a shorter period of remedy.
POET-II Evaluates Response Guided Remedy
The open-label POET-II trial enrolled 508 clinically steady sufferers with left-sided infective endocarditis throughout 13 centres in Denmark, Sweden, and the USA.
Eligible contributors had an infection attributable to Staphylococcus aureus, Enterococcus faecalis, or streptococci and have been randomly assigned to both tailor-made remedy or normal remedy.
Sufferers within the tailor-made remedy group acquired a minimal of two to 4 weeks of antibiotic remedy, after which remedy was discontinued if predefined stabilisation standards had been met.
The examine inhabitants had a imply age of 70 years, and 75% have been males.
The tailor-made strategy diminished remedy period by roughly one-third. Median antibiotic period was 26 days within the tailor-made remedy group in contrast with 41 days in the usual remedy group, representing a major distinction of 15 days.
Security Outcomes Help Shorter Antibiotic Period
The first endpoint, outlined as median days alive with out antibiotic remedy inside 6 months after randomisation, favoured tailor-made remedy (183 days versus 169 days in the usual remedy group).
Security outcomes remained comparable between teams. The composite endpoint of all-cause mortality, unplanned coronary heart valve surgical procedure, or symptomatic embolic occasions inside 6 months occurred in 8.2% of sufferers receiving tailor-made remedy and 10.7% of these receiving normal remedy, assembly noninferiority standards.
Though main relapse charges have been greater with tailor-made remedy, they remained low total (5.1% versus 1.6% in the usual remedy group).
Researchers famous that almost all relapses have been efficiently managed by restarting antibiotic remedy.
The researchers concluded {that a} substantial proportion of sufferers with left-sided infective endocarditis might be eligible for diminished period remedy, doubtlessly providing advantages associated to antagonistic results, healthcare prices, microbial resistance, and affected person high quality of life.
Reference
Bundgaard H et al.; POET II Investigators. Response-tailored or standard-duration antibiotic remedy for infective endocarditis. N Engl J Med. 2026;DOI:10.1056/NEJMoa2607887.
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