Stopped: unexpected serious adverse event
In this open-label pilot study we want to investigate whether intralaesional injection with collagenase clostridium histolyticum (XiapexR) into the esophageal stricture followed by dilation 24 hours later improves the outcome of patients with refractory esophageal anastomotic strictures as compared to dilation alone (standard of care).
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Number of repeat dilations that are required over a timespan of 6 months.
Timeframe: 6 months