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Figure 1 Cumulative non‐symptomatic stricture rate with and without oral tranilast administration. Patients taking tranilast had a significantly higher non‐symptomatic stricture rate compared with those not receiving this agent. The median observation period for the tranilast group was 782 (25th percentile 558, 75th percentile 1093) days, with a period of 559 (366, 738) days in the control group.
