Intrauterine adhesion (IUA) is the adhesion of intrauterine tissues due to the exposure of myometrial tissues caused by the endometrial basal injury. IUA is clinically manifested as symptoms such as abdominal pain, hypomenorrhea or amenorrhea, sterility and habitual abortion, which seriously affect the patients quality of life. Preventing IUA has been tried using different methods such as barrier or stent in order to separate the opposing endometrium during the tissue healing processes. Although some successes have been reported there are still some challenges need to be dealt with. One of the barrier materials for preventing IUA is made of hyaluronic acid (HA). HA is a natural ECM of human tissue with excellent biocompatibility and promotes the scar-free wound repair. The self-crosslinked esterified HA gel has demonstrated the capacity to prevent IUA in clinical studies. A novel self-crosslinked HA gel is developed by BioRegen Biomedical(Changzhou)Co., Ltd with proprietary technologies. This product is a highly viscoelastic crosslinked gel that overcomes the shortcoming of sodium hyaluronate with high motility and too quick degradation in vivo. For this product, the results of animal experiments and various safety features have been designed and tested conforming to the national regulations and standards. In order to launch this product to the market, this prospective, randomized and controlled clinical trial is designed and will be performed to verify its safety/efficacy.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
120
After hysteroscopic adhesiolysis, MateRegen Gel IU is applied into the uterine cavity together with a Foley balloon catheter.
After adhesivolysis, the Foleys balloon catheter is inserted into the uterine cavityand expanded with normal saline.
The Third Xiangya Hospital of Central South University
Changsha, Hunan, China
The People's Hospital of Hunan Province
Changshu, Hunan, China
The People's Hospital of Chenzhou City,
Chenzhou, Hunan, China
the percentage of patients free from IUA
Second look hysteroscopic examinations were performed at 3 months postoperatively. The adhesion was scored at adhesiolysis surgery and at follow-up hysteroscopy according to American Fertility Society scoring system.
Time frame: 3 months after surgery
Effective rate
Time frame: three months after surgery
Total AFS score
Time frame: 3 months
The score for each subcategory of AFS scoring system
Time frame: 3 months
The safety
Evaluated based on the number of patients shown complications and incidence rate for severe adverse events
Time frame: 3 months
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