Safety, pharmacokinetics, and pharmacodynamics of LBP-EC01, a CRISPR-Cas3-enhanced bacteriophage cocktail, in uncomplicated urinary tract infections due to Escherichia coli (ELIMINATE): the randomised, open-label, first part of a two-part phase 2 trial
Abstract
BACKGROUND
The rate of antibiotic resistance continues to grow, outpacing small-molecule-drug development efforts. Novel therapies are needed to combat this growing threat, particularly for the treatment of urinary tract infections (UTIs), which are one of the largest contributors to antibiotic use and associated antibiotic resistance. LBP-EC01 is a novel, genetically enhanced, six-bacteriophage cocktail developed by Locus Biosciences (Morrisville, NC, USA) to address UTIs caused by Escherichia coli, regardless of antibiotic resistance status. In this first part of the two-part phase 2 ELIMINATE trial, we aimed to define a dosing regimen of LBP-EC01 for the treatment of uncomplicated UTIs that could advance to the second, randomised, controlled, double-blinded portion of the study.
METHODS
This first part of ELIMINATE is a randomised, uncontrolled, open-label, phase 2 trial that took place in six private clinical sites in the USA. Eligible participants were female by self-identification, aged between 18 years and 70 years, and had an uncomplicated UTI at the time of enrolment, as well as a history of at least one drug-resistant UTI caused by E coli within the 12 months before enrolment. Participants were initially randomised in a 1:1:1 ratio into three treatment groups, but this part of the trial was terminated on the recommendation of the safety review committee after a non-serious tolerability signal was observed based on systemic drug exposure. A protocol update was then…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 39 participants or records.
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