ReviewFrontiers in surgery2026
Risk-stratified pharmacologic strategies for secondary prevention after acute diverticulitis: an exploratory narrative review and research framework.
Review in Frontiers in surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
7 authors.
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Abstract
Background: Recurrent acute diverticulitis (RAD) affects up to one-third of patients after the first episode and is associated with impaired quality of life and increased healthcare burden. Although interest in pharmacological prophylaxis is increasing, adequately powered randomized trials have not shown consistent benefits for any agent. Aims: Synthesize current evidence on pharmacological strategies for secondary prevention of diverticulitis, evaluate the potential of risk stratification and propose an exploratory framework to inform future studies. Methods: We conducted a structured narrative review in accordance with the SANRA criteria, including randomized controlled trials, observational studies, systematic reviews and international guidelines published between 1995 and 2026. Studies on primary prevention or symptomatic uncomplicated diverticular disease (SUDD) were assessed separately as indirect evidence. Results: Although subgroup analyses have suggested possible benefits in selected high-risk populations, large randomized trials have not demonstrated a reduction in recurrence with mesalazine or rifaximin. Evidence regarding probiotics remains inconclusive and is largely limited to SUDD. Currently, the major international guidelines do not recommend the use of pharmacological agents for routine secondary prevention. Emerging data indicate that radiologic features, endoscopic severity (DICA score), and biomarker findings, may help identify patients at increased risk of recurrence. Conclusions: Currently, no pharmacological therapy is available for the universal secondary prevention of diverticulitis. We propose a hypothesis-generating, risk-stratified framework that integrates clinical, endoscopic and radiological markers to support individualized trial design and patient selection. This approach may help guide future randomized studies and refine the preventive strategies.
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