Esophageal strictures: Management beyond dilation

Table 10 Studies that evaluated the biodegradable stents in benign esophageal strictures, n (%)

Ref.	Study type, number of patients	Etiology of stricture	Technical success	Clinical success	Complication rates
Repici et al[68], 2010	Prospective, n = 21	Peptic: 7 (33), caustic: 2 (10), radiotherapy: 5 (24), anastomotic: 5 (24), other: 2 (10)	21 (100)	9 (43) at 1 year	3 (14)
van Boeckel et al[69], 2011	Prospective, n = 18	Peptic: 6 (33), caustic: 2 (11), radiotherapy: 2 (11), anastomotic: 5 (27), others: 3 (16)	15 (85)	6 (33) at 3 months	6 (33)
van Hooft et al[70], 2011	Prospective, n = 10	Anastomotic: 10 (100)	10 (100)	6 (60) at 6 months	6 (60)
Hirdes et al[71], 2012	Prospective, n = 28	Peptic: 9 (32), caustic: 2 (7), radiotherapy: 3 (11), anastomotic: 7 (25), others: 7 (25)	28 (100)	7 (25) at 6 months	8 (29)
Karakan et al[72], 2013	Prospective, n = 7	Caustic: 7 (100)	7 (100)	2 (29) at 60 weeks	3 (43)
Kochhar et al[73], 2017	Prospective, n = 11	Caustic: 13 (100)	13 (100)	2 (15.4) at 1 year	7 (54)