Effect of a Combination of Local Steroid Injection With Oral Steroid Administration for the Prevention on Esophageal Stricture After Endoscopic Submucosal Dissection for Early Esophageal Neoplasm

Condition:   Esophageal Stricture
Interventions:   Drug: combination of local steroid injection（triamcinolone ）with oral steroid administration（prednisone）;   Drug: oral steroid administration（prednisone）
Sponsor:   Shanghai Zhongshan Hospital
Not yet recruiting - verified January 2017

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