Trial Outcomes & Findings for The Effect of Sponge Versus No-Sponge Placement of Mitomycin-C on the Outcomes of Trabeculectomy With Ex-PRESS Glaucoma Filtration Device (NCT NCT02016898)

NCT ID: NCT02016898

Last Updated: 2018-02-09

Results Overview

To assess complication rates between patients who receive mitomycin-C using a sponge versus irrigation

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

100 participants

Primary outcome timeframe

post-operative day 1 to month 6

Results posted on

2018-02-09

Participant Flow

Two subjects were retroactively removed due to not satisfying the inclusion/exclusion criteria. An additional three subjects had uncertain group allocation due to clerical errors.

Participant milestones

Participant milestones
Measure
Sponge Placement of Mitomycin-C
Randomization stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Placement of the sponge Mitomycin-C
Irrigation Placement of Mitomycin-C
Randomization stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Irrigation placement Mitomycin-C
Overall Study
STARTED
50
45
Overall Study
COMPLETED
45
40
Overall Study
NOT COMPLETED
5
5

Reasons for withdrawal

Reasons for withdrawal
Measure
Sponge Placement of Mitomycin-C
Randomization stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Placement of the sponge Mitomycin-C
Irrigation Placement of Mitomycin-C
Randomization stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Irrigation placement Mitomycin-C
Overall Study
Death
1
1
Overall Study
Lost to Follow-up
4
4

Baseline Characteristics

The Effect of Sponge Versus No-Sponge Placement of Mitomycin-C on the Outcomes of Trabeculectomy With Ex-PRESS Glaucoma Filtration Device

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Sponge Placement of Mitomycin-C
n=50 Participants
Randomization will be stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Placement of the sponge Mitomycin-C
Irrigation Placement of Mitomycin-C
n=45 Participants
Randomization will be stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Irrigation placement Mitomycin-C
Total
n=95 Participants
Total of all reporting groups
Age, Continuous
68 years
STANDARD_DEVIATION 9.6 • n=5 Participants
73.1 years
STANDARD_DEVIATION 8.3 • n=7 Participants
70.4 years
STANDARD_DEVIATION 9.3 • n=5 Participants
Sex: Female, Male
Female
30 Participants
n=5 Participants
23 Participants
n=7 Participants
53 Participants
n=5 Participants
Sex: Female, Male
Male
20 Participants
n=5 Participants
22 Participants
n=7 Participants
42 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
3 Participants
n=7 Participants
3 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
26 Participants
n=5 Participants
16 Participants
n=7 Participants
42 Participants
n=5 Participants
Race (NIH/OMB)
White
23 Participants
n=5 Participants
23 Participants
n=7 Participants
46 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=5 Participants
2 Participants
n=7 Participants
3 Participants
n=5 Participants
Region of Enrollment
United States
50 participants
n=5 Participants
45 participants
n=7 Participants
95 participants
n=5 Participants

PRIMARY outcome

Timeframe: post-operative day 1 to month 6

To assess complication rates between patients who receive mitomycin-C using a sponge versus irrigation

Outcome measures

Outcome measures
Measure
Sponge Placement of Mitomycin-C
n=50 Participants
Randomization stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Placement of the sponge Mitomycin-C
Irrigation Placement of MMC
n=45 Participants
Randomization will be stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Irrigation placement Mitomycin-C
Complication Rates
29 Participants
28 Participants

SECONDARY outcome

Timeframe: post-operative day 1 to month 6

Population: Five participants in each group were not included due to being lost to follow-up or deceased.

To assess final intraocular pressure lowering between patients who receive mitomycin-C using a sponge versus irrigation

Outcome measures

Outcome measures
Measure
Sponge Placement of Mitomycin-C
n=45 Participants
Randomization stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Placement of the sponge Mitomycin-C
Irrigation Placement of MMC
n=40 Participants
Randomization will be stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Irrigation placement Mitomycin-C
Change in Intraocular Pressure
-8.4 mmHg (millimeters of mercury)
Standard Deviation 1.6
-8.2 mmHg (millimeters of mercury)
Standard Deviation 1.2

Adverse Events

Sponge Placement of Mitomycin-C

Serious events: 0 serious events
Other events: 29 other events
Deaths: 1 deaths

Irrigation Placement of Mitomycin-C

Serious events: 0 serious events
Other events: 28 other events
Deaths: 1 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Sponge Placement of Mitomycin-C
n=50 participants at risk
Randomization stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Placement of the sponge Mitomycin-C
Irrigation Placement of Mitomycin-C
n=45 participants at risk
Randomization stratified by age (age ≥65 or age \< 65), baseline IOP (IOP ≥ 28 mmHg or IOP \< 28 mmHg), and concurrent cataract surgery. Irrigation placement Mitomycin-C
Eye disorders
Cystic blebs
16.0%
8/50 • 6 months
11.1%
5/45 • 6 months
Eye disorders
Shallowing of anterior chamber
2.0%
1/50 • 6 months
6.7%
3/45 • 6 months
Eye disorders
Hypotony
10.0%
5/50 • 6 months
31.1%
14/45 • 6 months
Eye disorders
Choroidal effusion
6.0%
3/50 • 6 months
6.7%
3/45 • 6 months
Eye disorders
Suprachoroidal hemorrhage
0.00%
0/50 • 6 months
2.2%
1/45 • 6 months
Eye disorders
Hyphema
2.0%
1/50 • 6 months
2.2%
1/45 • 6 months
Eye disorders
Wound leak
36.0%
18/50 • 6 months
31.1%
14/45 • 6 months

Additional Information

Michael Quist, MD

Duke University Health System

Phone: 718-490-7657

Results disclosure agreements

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