Ecological modulation of gut microbiota

Ecological modulation of the gut microbiota represents a therapeutic approach that targets the entire microbial ecosystem within the gastrointestinal tract rather than a specific host molecular receptor or enzyme (Nature, 2022). The gut microbiota is a complex community of bacteria, fungi, and viruses that performs essential functions, including the fermentation of non-digestible carbohydrates, synthesis of vitamins, and regulation of the host immune system (Cell, 2020). When this ecosystem is disrupted—a state known as dysbiosis—it can lead to the overgrowth of pathogens like Clostridioides difficile or contribute to chronic inflammatory and metabolic diseases (NIH, 2023). Drugs and therapies in this category, such as live biotherapeutic products like Rebyota and Vowst, work by reintroducing a diverse array of beneficial microbes to restore ecological balance (FDA, 2023). This restoration helps suppress pathogenic species through competitive exclusion and the production of inhibitory metabolites like short-chain fatty acids and secondary bile acids (Science, 2021). Consequently, this approach is increasingly utilized for treating recurrent infections and is being explored for broader applications in autoimmune and metabolic health (Journal of Clinical Investigation, 2021).

Other names

Gut microbiome modulationMicrobiota restorationMicrobiome-based therapyMicrobiota-targeted therapy

Restoration of microbial diversity and competitive exclusion of pathogens through the introduction of beneficial bacterial communities and production of inhibitory metabolites.