ArticleBMC cancer2025
A study protocol for a double-blinded, randomised, placebo-controlled trial on the use of encapsulated FMT for reducing the side effects of HSCT: the HSCT-BIOME study.
Article in BMC cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07756255 (Feasibility, Safety and Tolerability of Fecal Microbiota Transplantation in an Adolescent Population With Attention Deficit Hyperactivity Disorder), which is not on this map. Not yet cited in PubMed.
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Feasibility, Safety and Tolerability of Fecal Microbiota Transplantation in an Adolescent Population With Attention Deficit Hyperactivity Disorder (ADHD)
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13 authors.
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Abstract
backgroundThe composition of the gut microbiota both prior to and after haematopoietic stem cell transplantation (HSCT) is increasingly implicated in the outcomes of HSCT, including infections, poor immune reconstitution and disease relapse. Faecal microbiota transplantation (FMT) offers a potential strategy of supporting the gut microbiota and improve HSCT outcomes. Although FMT has been investigated in HSCT recipients, it has largely been evaluated therapeutically for indications such as infection, or once immunocompetency is regained.
methodsPeri-HSCT FMT (i.e. before and after HSCT) will be administered to eligible participants (adults undergoing autologous HSCT for a haematological malignancy) over two courses, with the first delivered immediately prior to conditioning and the second starting when ANC > 0.8. Following an open-label, safety run in (N = 5), peri-HSCT FMT will be evaluated for its efficacy in 51 participants, randomised 2:1 to FMT or placebo. The primary outcome is the proportion of participants who develop severe gastrointestinal toxicity defined by 3 consecutive days of severe diarrhoea (Bristol Stool Chart 6+), at a frequency of 4 + bowel movements/day within 3 weeks of HSCT. Safety is defined as the incidence of treatment-emergent adverse events (TE-AEs). Tolerability is defined as the incidence of TE-AEs and adherence to FMT. DISCUSSION: The HSCT-BIOME study is a multi-centre, double-blind, randomised placebo-controlled trial designed to determine the tolerability, safety and efficacy of orally-administered encapsulated FMT to promote the stability of the gastrointestinal microenvironment for HSCT recipients. Peri-HSCT delivered FMT is hypothesised to promote microbial composition both before and following HSCT. Thus, the study will determine if administration of FMT post-HSCT during the neutropenic phase will enhance efficacy.
trial registrationACTRN12624001104549. Date of registration: September 19, 2024 (prospectively registered).
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