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Comparison of effectiveness of a food supplement product versus Fosfomycin in the treatment of female recurrent urinary tract infections: Preliminary results of a multicenter comparative observational study

Misasi G, Catucci CL, Nardoni S, Turchi B, Pisacreta E, Xhaferi R, Simoncini T, De Nunzio C, Lombardo R, Russo E, Li Marzi V. Urologia. 2026;93(3):527-534.

Observational studyHumansWith D-mannose, N-acetylcysteine, Lactobacillus rhamnosus, hibiscus extract

This study tested palmitoylethanolamide together with D-mannose, N-acetylcysteine, Lactobacillus rhamnosus, hibiscus extract. Its results cannot be assigned to palmitoylethanolamide alone. More combination studies.

Design
Observational study
Subjects
89 women with recurrent urinary tract infections: 55 took the supplement, 34 took low-dose fosfomycin
Dose used in the study
A five-ingredient supplement for 14 days each month, or fosfomycin every 10 days; PEA amount not in the abstract
Duration
6 months
What was measured
UTI episodes at 3 and 6 months, microbiology, quality of life and satisfaction questionnaires, side effects

What the authors reported

UTIs fell in both groups (supplement 1.87 to 0.28 per period; fosfomycin 2.68 to 0.67). Quality of life improved in both. Satisfaction rose with the supplement and fell with the antibiotic. Mild gastrointestinal effects with the supplement; none with fosfomycin.

Limits of this study

Not randomised; the groups differed at baseline (BMI 27 versus 23.5, more infections in the antibiotic group). Five ingredients, so nothing can be assigned to palmitoylethanolamide. Authors declare no conflicts.

Source

PubMed 42479604 · doi:10.1177/03915603261426617

Entry checked against the abstract on PubMed on 2026-09-22. The dose shown is the dose the researchers used. It is not a recommendation. How to read this page.