Braumann 2008.

Methods	Study design unclear (participants were allocated to treatments "depending on the initial bacterial status of wounds"). We had no response to requests for further information; multicentre trial (3 university centres) Setting: not reported. Country: Germany Duration of follow‐up (intervention period): 6 weeks Funding: unclear Unit of analysis: ulcer
Participants	60 participants with VLUs and other wounds (chronic leg ulcers, pressure sores, abdominal wounds, skin defects after cancer resection, and diabetic foot ulcers ‐ proportions not stated). Number of wounds: not reported Age: not reported. Sex (M/F): not reported. Duration of ulcer: not reported. Ulcer size: not reported. No infected wounds at baseline (none of the wounds required systemic antibiotics or were associated with lymphangitis or fever) Inclusion criteria: not reported Exclusion criteria: not reported
Interventions	Group 1: PMM + silver dressing + foam dressing ‐ collagen, silver & oxidised regenerated cellulose matrix dressing + foam: secondary foam dressing; (n = not stated; duration 6 weeks) Group 2: alginate + silver dressing ‐ silver‐releasing hydro‐alginate: secondary foam dressing; (n = not stated; duration 6 weeks) Co‐interventions: not reported (including compression) Prior treatment: not reported
Outcomes	Primary outcomes of the review: proportion completely healed (6 weeks, not reported per group); adverse events not reported Secondary outcomes: none reported
Notes	No response to request for further information

PMM: protease‐modulating matrix
 VLU: venous leg ulcer