The objective of this study is to evaluate the efficacy of HANBIO BarriGel in the prevention of postoperative adhesion for patients who will undergo open thyroidectomy. The dysphagia and adhesion severity will be assessed at specific visits pre and/or post-operation for both treatment group and control group. The post-operative condition, and the adverse event information will be collected for evaluation of tolerability and safety of the product.
The aim of this study is to assess the safety and efficacy of HANBIO BarriGel to prevent thyroidectomy postoperative adhesions