The latest HERU Blog highlights ongoing research in HERU looking at the cost-effectiveness of interventions for urinary incontinence. The Optimal PFMT for Adherence Long-term (OPAL) trial is exploring the clinical and cost effectiveness of pelvic floor muscle training (PFMT) with biofeedback for female stress or mixed urinary incontinence. The SIMS trial is looking at the clinical and cost effectiveness of Single-Incision Mini-Slings (SIMS) and Standard tension-free Mid-Urethral Slings (SMUS) in the management of female stress urinary incontinence.