Trial Outcomes & Findings for Comparative Study of Specular Microscopes for Measurements of Cell Density, Coefficient of Variation and Hexagonality (NCT NCT02276638)

NCT ID: NCT02276638

Last Updated: 2019-03-20

Results Overview

Recruitment status

COMPLETED

Target enrollment

79 participants

Primary outcome timeframe

single time point - 1 day

Results posted on

2019-03-20

Participant Flow

Participant milestones

Participant milestones
Measure
18-28 Years Old Non-pathologic
18-28 years old Non-pathologic Device: Nidek CEM-530
29-80 Years Old Non-pathologic
29-80 years old Non-pathologic Device: Nidek CEM-530
29-80 Years Old Pathological
29-80 years old pathological Device: Nidek CEM-530
Overall Study
STARTED
28
28
23
Overall Study
COMPLETED
28
28
23
Overall Study
NOT COMPLETED
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Comparative Study of Specular Microscopes for Measurements of Cell Density, Coefficient of Variation and Hexagonality

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
18-28 Years Old Non-pathologic
n=28 Participants
18-28 years old Non-pathologic Device: Nidek CEM-530
29-80 Years Old Non-pathologic
n=28 Participants
29-80 years old Non-pathologic Device: Nidek CEM-530
29-80 Years Old Pathological
n=23 Participants
29-80 years old pathological Device: Nidek CEM-530
Total
n=79 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
28 Participants
n=5 Participants
28 Participants
n=7 Participants
23 Participants
n=5 Participants
79 Participants
n=4 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Age, Continuous
22.2 years
STANDARD_DEVIATION 3.8 • n=5 Participants
53 years
STANDARD_DEVIATION 13.42 • n=7 Participants
63.9 years
STANDARD_DEVIATION 12.39 • n=5 Participants
44.1 years
STANDARD_DEVIATION 20.54 • n=4 Participants
Sex: Female, Male
Female
13 Participants
n=5 Participants
19 Participants
n=7 Participants
15 Participants
n=5 Participants
47 Participants
n=4 Participants
Sex: Female, Male
Male
15 Participants
n=5 Participants
9 Participants
n=7 Participants
8 Participants
n=5 Participants
32 Participants
n=4 Participants
Region of Enrollment
United States
28 participants
n=5 Participants
28 participants
n=7 Participants
23 participants
n=5 Participants
79 participants
n=4 Participants

PRIMARY outcome

Timeframe: single time point - 1 day

Population: Not all participants indicated in the Participant Flow Module were analysed.

Outcome measures

Outcome measures
Measure
18-28 Years Old Non-pathologic
n=28 Participants
18-28 years old Non-pathologic Device: Nidek CEM-530
29-80 Years Old Non-pathologic
n=27 Participants
29-80 years old Non-pathologic Device: Nidek CEM-530
29-80 Years Old Pathological
n=19 Participants
29-80 years old pathological Device: Nidek CEM-530
Center Method Corneal Endothelial Cell Density
3069.5 cells/mm2
Standard Deviation 346.41
2678.6 cells/mm2
Standard Deviation 391.33
2514 cells/mm2
Standard Deviation 351.02

PRIMARY outcome

Timeframe: single time point - 1 day

Population: Not all participants indicated in the Participant Flow Module were analysed.

Coefficient of variation(CV) is that Standard deviation (SD) divided by the average area of endothelial cell analyzed

Outcome measures

Outcome measures
Measure
18-28 Years Old Non-pathologic
n=28 Participants
18-28 years old Non-pathologic Device: Nidek CEM-530
29-80 Years Old Non-pathologic
n=27 Participants
29-80 years old Non-pathologic Device: Nidek CEM-530
29-80 Years Old Pathological
n=19 Participants
29-80 years old pathological Device: Nidek CEM-530
Center Method Coefficient of Variation of Endothelial Cell Area
20.3 percent of Coefficient of variation
Standard Deviation 1.90
23.3 percent of Coefficient of variation
Standard Deviation 3.27
23.0 percent of Coefficient of variation
Standard Deviation 4.11

PRIMARY outcome

Timeframe: single time point - 1 day

Population: Not all participants indicated in the Participant Flow Module were analysed.

Percentage hexagonality(%HEX) is that Proportion of hexagonal cells found in the analyzed endothelium

Outcome measures

Outcome measures
Measure
18-28 Years Old Non-pathologic
n=28 Participants
18-28 years old Non-pathologic Device: Nidek CEM-530
29-80 Years Old Non-pathologic
n=27 Participants
29-80 years old Non-pathologic Device: Nidek CEM-530
29-80 Years Old Pathological
n=19 Participants
29-80 years old pathological Device: Nidek CEM-530
Percentage Hexagonality
63.0 Percentage hexagonality
Standard Deviation 6.33
57.1 Percentage hexagonality
Standard Deviation 6.66
58.7 Percentage hexagonality
Standard Deviation 7.96

Adverse Events

18-28 Years Old Non-pathologic

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

29-9- Years Old Non-pathologic

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

29-80 Years Old Pathological

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Head, Regulatory Affairs

Nidek

Phone: (800) 223-9044

Results disclosure agreements

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