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Clinical Trial Details — Status: Withdrawn

Administrative data

NCT number NCT03966768
Other study ID # 0001
Secondary ID
Status Withdrawn
Phase N/A
First received
Last updated
Start date October 15, 2023
Est. completion date December 31, 2025

Study information

Verified date September 2022
Source Mesh Suture Inc.
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

This is a multisite randomized control proof-of-concept trial to evaluate the safety of Duramesh laparotomy closure in the trauma and emergency laparotomy setting. The study will be performed at University of Maryland Shock Trauma Center and Walter Reed National Military Medical Center. One hundred (100) patients will be randomized (2:1) to Duramesh laparotomy closure versus conventional suture closure. After the patient has been confirmed to be a candidate for the trial, randomization will be performed in the operating room upon completion of the index abdominal procedure. Duramesh will be provided for patients assigned to the Duramesh treatment arm. Patients will be followed for 1 year following laparotomy closure at follow-up intervals of 1 month, 3 months, 6 months, and 12 months.


Description:

Primary Laparotomy Closure Treatment 1) Study Group - Duramesh Laparotomy Closure (DLC) Treatment 2) Control Group - Conventional Suture Closure (CSC) Patients undergoing a midline laparotomy for trauma or emergency surgery will have their abdominal wall laparotomy incision closed with size 0 Duramesh suturable mesh. Patients randomized to conventional laparotomy closure will be closed using size 1 slowly-absorbing (PDS) single strand or looped suture, based on surgeon preference. While it would be preferable to identify a single conventional suture to serve as the control group, polling of potential participating surgeons demonstrated a preference for both single strand and looped sutures to be available for use in the conventional suture closure group. Both Duramesh and conventional sutures will be placed using a standardized closure technique that incorporates 1cm wide bites and 1cm spacing, as this is the established technique for trauma and emergency laparotomy closure at both participating institutions. An effort to quantify suture to wound length ratio will be made in an effort to confirm standardization of closure technique between groups. The small-bites surgical closure technique popular in Europe has not been adopted by trauma and emergency surgeons at either institution given concerns related to early dehiscence and the inability to extrapolate the STITCH trial data to a US trauma population. The surgeons at both institutions do not believe it acceptable to generalize the European trial with a mean BMI of 24 to the United States population, nor do they believe it wise to close the abdominal wall with a 2-0 polydioxanone suture, as this technique trended towards a higher rate of acute fascial dehiscence (burst abdomen). All patients will be assessed for post-operative complications ( i . e . , infection, seroma, hematoma), a t 1 , 3 , 6 , and 12 months p o s t o p e r a t i v e l y . Patient will also be assessed for incisional hernia formation at the same post-operative time points (1, 3, 6, 12 months). Hernia outcomes will be based on physical examination, with ultrasound used for any uncertainties. While surveillance imaging has been shown to be more sensitive for hernia detection, the primary purpose of this study is to compare the safety profile of Duramesh laparotomy closure to standard closure technique. Surveillance imaging for hernia identification is not a part of standard clinical practice at the participating study sites. The rate of clinically relevant hernias found on physical exam will be used to inform future efficacy studies, where routine surveillance imaging will be incorporated into the study design. In addition to the patients undergoing primary laparotomy closure following an open trauma or emergency abdominal surgery, an additional subset of 20 patients undergoing delayed primary closure of an open abdomen will also be studied. These patients represent a particularly challenging clinical problem, for which there is no standard approach to repair. All 20 study patients undergoing delayed primary closure of an open abdomen will be closed with #1 or #2 Duramesh and followed according to the same post-operative protocol as those undergoing primary laparotomy closure. This subgroup is too small for randomization to provide useful data for comparison, and thus will be used to provide only a descriptive analysis of this early experience with delayed Duramesh closure of the open abdomen. The safety of Duramesh closure in this patient population can be extrapolated from the previously referenced experience of mesh strip closures in contaminated incisional hernias.


Recruitment information / eligibility

Status Withdrawn
Enrollment 0
Est. completion date December 31, 2025
Est. primary completion date December 31, 2024
Accepts healthy volunteers No
Gender All
Age group 18 Years to 75 Years
Eligibility Inclusion Criteria: - Midline laparotomy greater than 5 cm in length - Urgent or emergent surgery following trauma - Urgent or emergent surgery for diverticulitis - Large or small bowel obstruction, acute abdomen, or intra-abdominal hemorrhage. - Open abdomen after midline laparotomy. Exclusion Criteria: - Prior hernia repair or existing abdominal mesh - Metastatic cancer - Pregnancy - Immunosuppression.

Study Design


Related Conditions & MeSH terms


Intervention

Device:
Duramesh suturable mesh for laparotomy closure
Patients undergoing laparotomy will be closed with Duramesh suturable mesh
Conventional suture for laparotomy closure
Patients undergoing laparotomy will be closed with conventional polydiaxonone suture

Locations

Country Name City State
n/a

Sponsors (4)

Lead Sponsor Collaborator
Mesh Suture Inc. Uniformed Services University of the Health Sciences, University of Maryland, Walter Reed National Military Medical Center

References & Publications (4)

Dumanian GA, Lanier ST, Souza JM, Young MW, Mlodinow AS, Boller AM, Mueller KH, Halverson AL, McGee MF, Stulberg JJ. Mesh sutured repairs of contaminated incisional hernias. Am J Surg. 2018 Aug;216(2):267-273. doi: 10.1016/j.amjsurg.2017.10.025. Epub 2017 Oct 25. — View Citation

Dumanian GA, Tulaimat A, Dumanian ZP. Experimental study of the characteristics of a novel mesh suture. Br J Surg. 2015 Sep;102(10):1285-92. doi: 10.1002/bjs.9853. Epub 2015 Jul 8. — View Citation

Lanier ST, Dumanian GA, Jordan SW, Miller KR, Ali NA, Stock SR. Mesh Sutured Repairs of Abdominal Wall Defects. Plast Reconstr Surg Glob Open. 2016 Sep 28;4(9):e1060. eCollection 2016 Sep. — View Citation

Souza JM, Dumanian ZP, Gurjala AN, Dumanian GA. In vivo evaluation of a novel mesh suture design for abdominal wall closure. Plast Reconstr Surg. 2015 Feb;135(2):322e-330e. doi: 10.1097/PRS.0000000000000910. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Surgical site infection Superficial or deep infection of the surgical site 1 month
Primary Surgical site infection Superficial or deep infection of the surgical site 3 months
Primary Surgical site infection Superficial or deep infection of the surgical site 6 months
Primary Surgical site infection Superficial or deep infection of the surgical site 12 months
Secondary Surgical site occurrence Any complication related to the surgical site, including hematoma, seroma, dehiscence, fistula, small bowel obstruction, exposed suture, return to the operating room, readmission, or mortality 1 month
Secondary Surgical site occurrence Any complication related to the surgical site, including hematoma, seroma, dehiscence, fistula, small bowel obstruction, exposed suture, return to the operating room, readmission, or mortality 3 months
Secondary Surgical site occurrence Any complication related to the surgical site, including hematoma, seroma, dehiscence, fistula, small bowel obstruction, exposed suture, return to the operating room, readmission, or mortality 6 months
Secondary Surgical site occurrence Any complication related to the surgical site, including hematoma, seroma, dehiscence, fistula, small bowel obstruction, exposed suture, return to the operating room, readmission, or mortality 12 months
Secondary Intraoperative and hospitalization endpoints Details regarding abdominal wall closure Within 30 days
Secondary Intraoperative and hospitalization endpoints Length of hospital stay Within 30 days
Secondary Intraoperative and hospitalization endpoints Length of the laparotomy incision and length of suture remnant Within 30 days
Secondary Intraoperative and hospitalization endpoints Size of Duramesh used Within 30 days
Secondary Hernia formation Clinical development of an incisional hernia anytime within 12 months
Secondary Patient reported outcomes NRS pain scale 3 months
Secondary Patient reported outcomes NRS pain scale 6 months
Secondary Patient reported outcomes HerQles 6 months
Secondary Patient reported outcomes SF-36 6 months
Secondary Patient reported outcomes HerQles 12 months
Secondary Patient reported outcomes SF-36 12 months
Secondary Patient reported outcomes NRS pain scale 12 months
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