A clinical trial has been conducted to assess the efficacy and safety of sterile faecal filtrate transplantation in individuals with metabolic syndrome, examining phage-microbe dynamics. The trial's focus on this treatment approach is part of a broader area of research exploring the relationship between the gut virome, microbiome, and various diseases, including metabolic syndrome, type 2 diabetes, and ulcerative colitis. The study's findings may contribute to the development of new treatments, such as faecal transplant analogues, for these conditions.