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Efficacy of hyaluronan adhesion barrier gel in reducing post-cesarean pelvic adhesions assessed by ultrasonographic sliding sign: A randomized controlled study

Efficacy of hyaluronan adhesion barrier gel in reducing post-cesarean pelvic adhesions assessed by ultrasonographic sliding sign: A randomized controlled study

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
TCTR
Registry ID
TCTR20250416005
Enrollment
60
Registered
2025-04-16
Start date
2025-04-29
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Pregnant women who undergo scheduled cesarean section Cesarean section Intraoperative care Hyaluronan

Interventions

The investigational group will receive an absorbable adhesion barrier gel of 10 ml, which will be applied around the hysterotomy area following the standard cesarean section.,The investigational group
absorbable adhesion barrier gel: cross-linked hyaluronan gel,Standard hysterotomy closure

Sponsors

Department of Obstetrics and Gynaecology, Faculty of Medicine Ramathibodi Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Pregnant women who are scheduled for term cesarean section with no restrictions on parity 2.No severe pregnancy complications or comorbidities 3.No history of pelvic or abdominal surgery or infection 4.Willingness to participate in the study, comply with the study requirements and follow-up schedule, and sign a written informed consent before any study-related procedures

Exclusion criteria

Exclusion criteria: 1.Known severe allergy to hyaluronic acid or its derivatives 2.History of severe systemic diseases 3.History of bowel perforation or mechanical bowel obstruction 4.Planned use of any anti-adhesion material other than HyaRegen Gel during surgery. 5.Expected to undergo additional surgeries (e.g., ovarian cystectomy, myomectomy) during cesarean section 6.Presence of moderate to severe abdominal adhesions or severe contamination during cesarean section 7.Undergoing B lynch suture or uterine artery embolization during cesarean section 8.History of severe endometriosis 9.Investigators believe that impaired immune system function or coagulation disorders may affect wound healing

Design outcomes

Primary

MeasureTime frame
Uteropelvic adhesion postpartum 6 weeks Negative ultrasound sliding sign by transvaginal ultrasound

Secondary

MeasureTime frame
Chronic pelvic pain Post operation 6 weeks visual analog scale (0-10),Abnormal bowel-bladder symptoms Postpartum 6 weeks Present/ Absent,Clinical adhesion score Post operation 6 weeks scale 0-4 (pain, bowel, bladder, sexual activity),Time to flatus Immediate post-operation Hour,Time to start ambulation Immediate post-operation Hour,Post operative fever Immediate post-operation Present/ ABsent,Length of hospital stay Immediate post-operation Day,Abnormal bowel-bladder symptoms Immediate post-operation Present/ Absent,Urinary retention required additional retained foley catheter Immediate post-operation Present/ Absent,Surgical scar formation Postpartum 6 weeks Physical examination categorized scar to Flatted, Depressed, Elevated, or Mixed type,Abnormal vaginal discharge Postpartum 6 weeks Present/ Absent on a speculum vaginal examination,Pelvic fluid collection Postpartum 6 weeks Present/ Absent on routine transvaginal ultrasound,Hyperechoic band at vesicouterine fold Postpartum 6 weeks Present/ Absent on routine transvaginal ultrasound

Countries

Thailand

Contacts

Public ContactSanpon Diawtipsukon

Faculty of Medicine Ramathibodi Hospital, Mahidol University

sanpon.dia@mahidol.ac.th022011416

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 10, 2026