Trial Outcomes & Findings for The SymCHro - Observational Registry Study for Symbotex™ Composite Mesh in Ventral Hernia Repair (NCT NCT02206828)

NCT ID: NCT02206828

Last Updated: 2025-01-14

Results Overview

Primary endpoint focuses on complications (including recurrence) occurring during procedure, and in short, mid and long-term (measured at 1 month, 1 year and 2 year follow-up respectively) following ventral hernia repair. All peri-, intra- and post- operative complications

Recruitment status

COMPLETED

Target enrollment

100 participants

Primary outcome timeframe

Various (measured at 1 month, 1 Year & 2 Year)

Results posted on

2025-01-14

Participant Flow

Participant milestones

Participant milestones
Measure
Symbotex Composite Mesh
Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach.
Overall Study
STARTED
100
Overall Study
COMPLETED
93
Overall Study
NOT COMPLETED
7

Reasons for withdrawal

Reasons for withdrawal
Measure
Symbotex Composite Mesh
Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach.
Overall Study
Lost to Follow-up
7

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Symbotex Composite Mesh
n=100 Participants
Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
Age, Continuous
62.0 Years
STANDARD_DEVIATION 13.7 • n=100 Participants
Sex: Female, Male
Female
51 Participants
n=100 Participants
Sex: Female, Male
Male
49 Participants
n=100 Participants
Region of Enrollment
France
100 participants
n=100 Participants

PRIMARY outcome

Timeframe: Various (measured at 1 month, 1 Year & 2 Year)

Population: 6 patients are lost to follow up at 1 year - 7 patients are lost to follow up at 2 year , it is described in the Participant Flow module Outcomes measure reflect Patients who completed each visits

Primary endpoint focuses on complications (including recurrence) occurring during procedure, and in short, mid and long-term (measured at 1 month, 1 year and 2 year follow-up respectively) following ventral hernia repair. All peri-, intra- and post- operative complications

Outcome measures

Outcome measures
Measure
Recurence Rate at 1 Month
n=100 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 1 Year
n=94 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 2 Year
n=93 Participants
Recurrence rate following patients treated for ventral hernia
VAS Pain Assessment Month 1
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment Month 3
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 1 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 2 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
Incidence of Peri-operative and Post-operative Complications
0 Participants
1 Participants
0 Participants

SECONDARY outcome

Timeframe: Various ( Baseline Day 0, Day 1, Day 8, Month 1, Month 3, 1 year , 2 year

Pain assessment measured with VAS\* score \*VAS: The postoperative pain is assessed using a 0-10 Visual Analogue Scale. Worst pain experienced over the last 24 hours. Mild pain for VAS score between 0 and 3; Moderate pain for VAS score \> 3 and \> 6 ; Severe pain for VAS scores \> 6

Outcome measures

Outcome measures
Measure
Recurence Rate at 1 Month
n=82 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 1 Year
n=79 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 2 Year
n=76 Participants
Recurrence rate following patients treated for ventral hernia
VAS Pain Assessment Month 1
n=79 Participants
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment Month 3
n=24 Participants
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 1 Year
n=3 Participants
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 2 Year
n=2 Participants
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
Pain Assessment Measured With VAS Score
4.7 units on a scale
Standard Deviation 2.5
3.9 units on a scale
Standard Deviation 1.8
2.0 units on a scale
Standard Deviation 1.7
0.8 units on a scale
Standard Deviation 1.8
0.2 units on a scale
Standard Deviation 0.7
0.0 units on a scale
Standard Deviation 0.0
0.0 units on a scale
Standard Deviation 0.0

SECONDARY outcome

Timeframe: Various ( 1 Month, 1 year and 2 Year follow up)

Quality of Life of patients treated for ventral hernia For long-term follow up, two sets of self-administered Quality of Life (QOL) and patient satisfaction questionnaires were administered by phone call at 1 year and 2 year follow-up.

Outcome measures

Outcome measures
Measure
Recurence Rate at 1 Month
n=82 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 1 Year
n=94 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 2 Year
n=93 Participants
Recurrence rate following patients treated for ventral hernia
VAS Pain Assessment Month 1
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment Month 3
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 1 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 2 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
Quality of Life for Patient
Does the abdominal wall seem firm? · Yes
0 Participants
90 Participants
91 Participants
Quality of Life for Patient
Does the abdominal wall seem firm? · No
0 Participants
4 Participants
2 Participants
Quality of Life for Patient
Does the abdominal wall seem firm? · Not assessed
82 Participants
0 Participants
0 Participants
Quality of Life for Patient
Do you feel a lump? · Yes
0 Participants
7 Participants
2 Participants
Quality of Life for Patient
Do you feel a lump? · No
0 Participants
87 Participants
91 Participants
Quality of Life for Patient
Do you feel a lump? · Not assessed
82 Participants
0 Participants
0 Participants
Quality of Life for Patient
Do you feel any pain or discomfort? · Yes
20 Participants
23 Participants
12 Participants
Quality of Life for Patient
Do you feel any pain or discomfort? · No
62 Participants
71 Participants
81 Participants
Quality of Life for Patient
Do you feel any pain or discomfort? · Not assessed
0 Participants
0 Participants
0 Participants
Quality of Life for Patient
Reoperation needed? · Yes
0 Participants
0 Participants
1 Participants
Quality of Life for Patient
Reoperation needed? · No
82 Participants
94 Participants
92 Participants
Quality of Life for Patient
Reoperation needed? · Not assessed
0 Participants
0 Participants
0 Participants

SECONDARY outcome

Timeframe: Various (1 year and 2 year)

Patient satisfaction For long-term follow up, two sets of self-administered Quality of Life (QOL) and patient satisfaction questionnaires were administered by phone call at 1 year and 2 year follow-up.

Outcome measures

Outcome measures
Measure
Recurence Rate at 1 Month
n=94 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 1 Year
n=91 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 2 Year
Recurrence rate following patients treated for ventral hernia
VAS Pain Assessment Month 1
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment Month 3
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 1 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 2 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
Patient Satisfaction
Excellent
10 Participants
7 Participants
Patient Satisfaction
Good
73 Participants
79 Participants
Patient Satisfaction
Medium
7 Participants
3 Participants
Patient Satisfaction
Bad
4 Participants
2 Participants

SECONDARY outcome

Timeframe: Day 0 Baseline

Population: Number of Hernia, some patients exhibits more than 1 hernia (100 patients with 105 ventral hernias) Ease of use: results is based on 100 patients and 105 hernias (100 patients enrolled and having 105 hernias) , However results reported of subjects with missing data or not applicable data respectively;

Mesh ease of use assessed by surgeons using Symbotex™ Composite Mesh for Patients treated for ventral hernia

Outcome measures

Outcome measures
Measure
Recurence Rate at 1 Month
n=102 Hernia
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 1 Year
n=80 Hernia
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 2 Year
n=102 Hernia
Recurrence rate following patients treated for ventral hernia
VAS Pain Assessment Month 1
n=96 Hernia
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment Month 3
n=92 Hernia
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 1 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 2 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
Surgeon Satisfaction (Mesh Handling, Mesh Manipulability, Ease of Use)
Satisfying
102 Hernia
80 Hernia
102 Hernia
94 Hernia
92 Hernia
Surgeon Satisfaction (Mesh Handling, Mesh Manipulability, Ease of Use)
Unsatisfying
0 Hernia
0 Hernia
0 Hernia
2 Hernia
0 Hernia

SECONDARY outcome

Timeframe: Day 0 Baseline

ease of use / mesh Handling Mesh ease of use assessed by surgeons using Symbotex™ Composite Mesh for Patients treated for ventral hernia- Participant reflect surgeon who asses the feature of the mesh (for example, 68 surgeons agree that marking eases to place the mesh, 34 surgeons agree that the mesh is conformable to the anatomy etc..

Outcome measures

Outcome measures
Measure
Recurence Rate at 1 Month
n=100 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 1 Year
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 2 Year
Recurrence rate following patients treated for ventral hernia
VAS Pain Assessment Month 1
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment Month 3
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 1 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 2 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
Mesh Handling
Marking eases to place
68 participants
Mesh Handling
conformability to the anatomy is useful
34 participants
Mesh Handling
Absence of direction for positioning is useful
32 participants
Mesh Handling
Prothesis Shape memory eases to place
53 participants
Mesh Handling
Mesh transparency eases to place
74 participants
Mesh Handling
Mesh easy to re-place
51 participants
Mesh Handling
The mesh does not twist during stapling
43 participants

SECONDARY outcome

Timeframe: Baseline Day 0

Surgical technique approach for patients treated for ventral hernia with Symbotex™ Composite Mesh

Outcome measures

Outcome measures
Measure
Recurence Rate at 1 Month
n=100 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 1 Year
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 2 Year
Recurrence rate following patients treated for ventral hernia
VAS Pain Assessment Month 1
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment Month 3
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 1 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 2 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
The Use of Symbotex™ Composite Mesh During Surgery Hernia Repair
Open (Laparotomy)
20 Participants
The Use of Symbotex™ Composite Mesh During Surgery Hernia Repair
Laparoscopy
77 Participants
The Use of Symbotex™ Composite Mesh During Surgery Hernia Repair
Open then Laparoscopy
3 Participants

SECONDARY outcome

Timeframe: Baseline Day 0

Population: 3 approaches of surgery , thus operative time and hospital stay are provided according to the nature of the surgery the unit of Operative time is in minutes (specify in the title see below) And the unit of hospital stay is in days (speify in the title see below) Missing data on 4 patients.

Operative Time (min) for patients treated for ventral hernia

Outcome measures

Outcome measures
Measure
Recurence Rate at 1 Month
n=96 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 1 Year
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 2 Year
Recurrence rate following patients treated for ventral hernia
VAS Pain Assessment Month 1
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment Month 3
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 1 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 2 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
The Use of Symbotex™ Composite Mesh and Surgery Duration
Open (Laparotomy)
67.4 minutes
Standard Deviation 25.8
The Use of Symbotex™ Composite Mesh and Surgery Duration
Laparoscopy
36.2 minutes
Standard Deviation 23.5
The Use of Symbotex™ Composite Mesh and Surgery Duration
Open then Laparoscopy
68.3 minutes
Standard Deviation 32.1

SECONDARY outcome

Timeframe: Baseline Day 0

Population: For 8 patients there is 8 missing data respectively

Hospital stay (Days) for patients treated for ventral hernia with Symbotex Composite mesh device

Outcome measures

Outcome measures
Measure
Recurence Rate at 1 Month
n=89 Participants
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 1 Year
Recurrence rate following patients treated for ventral hernia
Recurrence Rate at 2 Year
Recurrence rate following patients treated for ventral hernia
VAS Pain Assessment Month 1
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment Month 3
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 1 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
VAS Pain Assessment 2 Year
Ease of use Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
The Use of Symbotex™ Composite Mesh and Hospital Stay Duration
Open (Laparotomy)
4.7 days
Standard Deviation 2.0
The Use of Symbotex™ Composite Mesh and Hospital Stay Duration
Laparoscopy
1.6 days
Standard Deviation 1.6

Adverse Events

Symbotex Composite Mesh

Serious events: 0 serious events
Other events: 9 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Symbotex Composite Mesh
n=100 participants at risk
Symbotex™ Composite Mesh for ventral hernia repair by open or laparoscopic approach
Blood and lymphatic system disorders
Seroma
6.0%
6/100 • 24 months
Gastrointestinal disorders
Transitory ileus
3.0%
3/100 • 24 months

Additional Information

Djamila Bennat

Medtronic

Phone: 33474089000

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place