Trial Outcomes & Findings for NeoMend ProGEL™ Pleural Air Leak Sealant Post-Approval Study (NCT NCT01394978)

NCT ID: NCT01394978

Last Updated: 2021-07-15

Results Overview

* Pulmonary adverse events: pneumothorax, persistent air leak, late onset air leak, residual pleural space, and acute respiratory distress syndrome * Renal adverse events * Cardiac adverse events * Death (all causes) * Hospital readmission

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

444 participants

Primary outcome timeframe

90 days

Results posted on

2021-07-15

Participant Flow

The original Protocol was designed to study ProGel (any usage) versus no ProGel. After the study was completed, the FDA requested that the ProGel group be broken out by patients with standard closure, and without.

Participant milestones

Participant milestones
Measure
Control
No treatment. Control: Standard surgical techniques including staples and sutures.
ProGEL Pleural Air Leak Sealant
Standard surgical technique plus Progel Pleural Air Leak Sealant. ProGEL Pleural Air Leak Sealant: ProGEL is a single-use medical device that is formed as a result of mixing two components: (1) a solution of human serum albumin (HSA) and (2) a synthetic cross-linking component of polyethylene glycol (PEG).
Overall Study
STARTED
168
276
Overall Study
COMPLETED
147
245
Overall Study
NOT COMPLETED
21
31

Reasons for withdrawal

Reasons for withdrawal
Measure
Control
No treatment. Control: Standard surgical techniques including staples and sutures.
ProGEL Pleural Air Leak Sealant
Standard surgical technique plus Progel Pleural Air Leak Sealant. ProGEL Pleural Air Leak Sealant: ProGEL is a single-use medical device that is formed as a result of mixing two components: (1) a solution of human serum albumin (HSA) and (2) a synthetic cross-linking component of polyethylene glycol (PEG).
Overall Study
Withdrawal by Subject
2
4
Overall Study
Lost to Follow-up
13
20
Overall Study
Death
6
7

Baseline Characteristics

NeoMend ProGEL™ Pleural Air Leak Sealant Post-Approval Study

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Control
n=168 Participants
No treatment. Control: Standard surgical techniques including staples and sutures.
ProGEL Pleural Air Leak Sealant With Standard Surgical Closure
n=169 Participants
ProGEL Pleural Air Leak Sealant: ProGEL is a single-use medical device that is formed as a result of mixing two components: (1) a solution of human serum albumin (HSA) and (2) a synthetic cross-linking component of polyethylene glycol (PEG). Standard closure, for example, by suturing or stapling, of visible air leaks incurred during resection of lung parenchyma.
ProGEL Pleural Air Leak Sealant Without Standard Surgical Closure
n=107 Participants
ProGEL Pleural Air Leak Sealant: ProGEL is a single-use medical device that is formed as a result of mixing two components: (1) a solution of human serum albumin (HSA) and (2) a synthetic cross-linking component of polyethylene glycol (PEG). Without standard closure, for example, suturing or stapling, of visible air leaks incurred during resection of lung parenchyma.
Total
n=444 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Age, Categorical
Between 18 and 65 years
69 Participants
n=5 Participants
78 Participants
n=7 Participants
44 Participants
n=5 Participants
191 Participants
n=4 Participants
Age, Categorical
>=65 years
99 Participants
n=5 Participants
91 Participants
n=7 Participants
63 Participants
n=5 Participants
253 Participants
n=4 Participants
Age, Continuous
65.7 years
STANDARD_DEVIATION 11.46 • n=5 Participants
64.8 years
STANDARD_DEVIATION 11.30 • n=7 Participants
66.7 years
STANDARD_DEVIATION 9.10 • n=5 Participants
65.6 years
STANDARD_DEVIATION 10.87 • n=4 Participants
Sex: Female, Male
Female
81 Participants
n=5 Participants
81 Participants
n=7 Participants
55 Participants
n=5 Participants
217 Participants
n=4 Participants
Sex: Female, Male
Male
87 Participants
n=5 Participants
88 Participants
n=7 Participants
52 Participants
n=5 Participants
227 Participants
n=4 Participants
Race/Ethnicity, Customized
Race/Ethnicity · White
156 Participants
n=5 Participants
161 Participants
n=7 Participants
97 Participants
n=5 Participants
414 Participants
n=4 Participants
Race/Ethnicity, Customized
Race/Ethnicity · Black
8 Participants
n=5 Participants
8 Participants
n=7 Participants
7 Participants
n=5 Participants
23 Participants
n=4 Participants
Race/Ethnicity, Customized
Race/Ethnicity · Asian
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
2 Participants
n=4 Participants
Race/Ethnicity, Customized
Race/Ethnicity · Hispanic
2 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
3 Participants
n=4 Participants
Race/Ethnicity, Customized
Race/Ethnicity · Other
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
2 Participants
n=4 Participants
Region of Enrollment
United States
168 participants
n=5 Participants
169 participants
n=7 Participants
107 participants
n=5 Participants
444 participants
n=4 Participants
Height
169.3 centimeters
STANDARD_DEVIATION 9.93 • n=5 Participants
171.0 centimeters
STANDARD_DEVIATION 9.72 • n=7 Participants
168.6 centimeters
STANDARD_DEVIATION 9.40 • n=5 Participants
169.8 centimeters
STANDARD_DEVIATION 9.74 • n=4 Participants
Weight
79.9 kilograms
STANDARD_DEVIATION 19.75 • n=5 Participants
82.0 kilograms
STANDARD_DEVIATION 21.43 • n=7 Participants
78.0 kilograms
STANDARD_DEVIATION 18.48 • n=5 Participants
80.3 kilograms
STANDARD_DEVIATION 20.22 • n=4 Participants
Body Mass Index (BMI)
27.8 kg/m^2
STANDARD_DEVIATION 6.16 • n=5 Participants
27.9 kg/m^2
STANDARD_DEVIATION 6.52 • n=7 Participants
27.3 kg/m^2
STANDARD_DEVIATION 5.47 • n=5 Participants
27.7 kg/m^2
STANDARD_DEVIATION 6.11 • n=4 Participants

PRIMARY outcome

Timeframe: 90 days

Population: Units analyzed represents the number of adverse events that occurred among all study participants in each arm. Also, the original Protocol was designed to study ProGel (any usage) versus no ProGel. After the study was completed, the FDA requested that the ProGel group be broken out by patients with standard closure, and without.

* Pulmonary adverse events: pneumothorax, persistent air leak, late onset air leak, residual pleural space, and acute respiratory distress syndrome * Renal adverse events * Cardiac adverse events * Death (all causes) * Hospital readmission

Outcome measures

Outcome measures
Measure
Control
n=111 Events
No treatment. Control: Standard surgical techniques including staples and sutures.
ProGEL Pleural Air Leak Sealant
n=191 Events
Standard surgical technique plus Progel Pleural Air Leak Sealant. ProGEL Pleural Air Leak Sealant: ProGEL is a single-use medical device that is formed as a result of mixing two components: (1) a solution of human serum albumin (HSA) and (2) a synthetic cross-linking component of polyethylene glycol (PEG).
Safety Endpoints
Pneumothorax
22 Events
48 Events
Safety Endpoints
Persistent air leak
25 Events
40 Events
Safety Endpoints
Late onset air leak
1 Events
6 Events
Safety Endpoints
Residual pleural space
1 Events
1 Events
Safety Endpoints
Acute respiratory distress syndrome
1 Events
3 Events
Safety Endpoints
Renal abnormalities
5 Events
7 Events
Safety Endpoints
Myocardial Infarction
0 Events
2 Events
Safety Endpoints
Atrial Arrythmia
29 Events
48 Events
Safety Endpoints
Ventricular Arrythmia
5 Events
4 Events
Safety Endpoints
Cardiac Arrest, Resuscitated
0 Events
2 Events
Safety Endpoints
Death, all causes
6 Events
7 Events
Safety Endpoints
Hospital readmission
16 Events
23 Events

Adverse Events

Control

Serious events: 40 serious events
Other events: 39 other events
Deaths: 6 deaths

ProGEL Pleural Air Leak Sealant With Standard Surgical Closure

Serious events: 37 serious events
Other events: 52 other events
Deaths: 5 deaths

ProGEL Pleural Air Leak Sealant Without Standard Surgical Closure

Serious events: 27 serious events
Other events: 33 other events
Deaths: 2 deaths

Serious adverse events

Serious adverse events
Measure
Control
n=168 participants at risk
No treatment. Control: Standard surgical techniques including staples and sutures.
ProGEL Pleural Air Leak Sealant With Standard Surgical Closure
n=169 participants at risk
ProGEL Pleural Air Leak Sealant: ProGEL is a single-use medical device that is formed as a result of mixing two components: (1) a solution of human serum albumin (HSA) and (2) a synthetic cross-linking component of polyethylene glycol (PEG). Standard surgical closure (standard closure with, sutures or staples, for example) plus Progel Pleural Air Leak Sealant.
ProGEL Pleural Air Leak Sealant Without Standard Surgical Closure
n=107 participants at risk
ProGEL Pleural Air Leak Sealant: ProGEL is a single-use medical device that is formed as a result of mixing two components: (1) a solution of human serum albumin (HSA) and (2) a synthetic cross-linking component of polyethylene glycol (PEG). Progel Pleural Air Leak Sealant without standard surgical closure (standard closure with, sutures or staples, for example).
Respiratory, thoracic and mediastinal disorders
Pneumothorax
4.8%
8/168 • 90 days post-index procedure
5.9%
10/169 • 90 days post-index procedure
7.5%
8/107 • 90 days post-index procedure
Respiratory, thoracic and mediastinal disorders
Persistent air leak
8.9%
15/168 • 90 days post-index procedure
10.7%
18/169 • 90 days post-index procedure
4.7%
5/107 • 90 days post-index procedure
Respiratory, thoracic and mediastinal disorders
Late onset air leak
0.00%
0/168 • 90 days post-index procedure
0.00%
0/169 • 90 days post-index procedure
3.7%
4/107 • 90 days post-index procedure
Respiratory, thoracic and mediastinal disorders
Residual Plueral Space
0.00%
0/168 • 90 days post-index procedure
0.00%
0/169 • 90 days post-index procedure
0.93%
1/107 • 90 days post-index procedure
Respiratory, thoracic and mediastinal disorders
Acute respiratory distress syndrome
0.60%
1/168 • 90 days post-index procedure
1.2%
2/169 • 90 days post-index procedure
0.93%
1/107 • 90 days post-index procedure
Renal and urinary disorders
Renal abnormalities
1.2%
2/168 • 90 days post-index procedure
1.8%
3/169 • 90 days post-index procedure
0.93%
1/107 • 90 days post-index procedure
Cardiac disorders
Myocardial Infarction
0.00%
0/168 • 90 days post-index procedure
0.59%
1/169 • 90 days post-index procedure
0.93%
1/107 • 90 days post-index procedure
Cardiac disorders
Atrial Arrhythmia
3.6%
6/168 • 90 days post-index procedure
0.59%
1/169 • 90 days post-index procedure
0.93%
1/107 • 90 days post-index procedure
Cardiac disorders
Ventricular Arrythmia
0.60%
1/168 • 90 days post-index procedure
0.00%
0/169 • 90 days post-index procedure
0.00%
0/107 • 90 days post-index procedure
Cardiac disorders
Cardiac arrest, resuscitated
0.00%
0/168 • 90 days post-index procedure
0.59%
1/169 • 90 days post-index procedure
0.93%
1/107 • 90 days post-index procedure
General disorders
Death, All Causes
3.6%
6/168 • 90 days post-index procedure
3.0%
5/169 • 90 days post-index procedure
1.9%
2/107 • 90 days post-index procedure
General disorders
Hospital Readmission
8.3%
14/168 • 90 days post-index procedure
4.7%
8/169 • 90 days post-index procedure
11.2%
12/107 • 90 days post-index procedure

Other adverse events

Other adverse events
Measure
Control
n=168 participants at risk
No treatment. Control: Standard surgical techniques including staples and sutures.
ProGEL Pleural Air Leak Sealant With Standard Surgical Closure
n=169 participants at risk
ProGEL Pleural Air Leak Sealant: ProGEL is a single-use medical device that is formed as a result of mixing two components: (1) a solution of human serum albumin (HSA) and (2) a synthetic cross-linking component of polyethylene glycol (PEG). Standard surgical closure (standard closure with, sutures or staples, for example) plus Progel Pleural Air Leak Sealant.
ProGEL Pleural Air Leak Sealant Without Standard Surgical Closure
n=107 participants at risk
ProGEL Pleural Air Leak Sealant: ProGEL is a single-use medical device that is formed as a result of mixing two components: (1) a solution of human serum albumin (HSA) and (2) a synthetic cross-linking component of polyethylene glycol (PEG). Progel Pleural Air Leak Sealant without standard surgical closure (standard closure with, sutures or staples, for example).
Respiratory, thoracic and mediastinal disorders
Pneumothorax
6.5%
11/168 • Number of events 11 • 90 days post-index procedure
13.0%
22/169 • Number of events 22 • 90 days post-index procedure
10.3%
11/107 • Number of events 11 • 90 days post-index procedure
Respiratory, thoracic and mediastinal disorders
Persistent Air Leak
5.4%
9/168 • Number of events 9 • 90 days post-index procedure
6.5%
11/169 • Number of events 22 • 90 days post-index procedure
6.5%
7/107 • Number of events 11 • 90 days post-index procedure
Cardiac disorders
Atrial Arrhythmia
11.9%
20/168 • Number of events 20 • 90 days post-index procedure
15.4%
26/169 • Number of events 26 • 90 days post-index procedure
15.9%
17/107 • 90 days post-index procedure

Additional Information

Dawn Heimer, PhD

Davol, Inc.

Phone: +1-401-825-8681

Results disclosure agreements

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