Trial Outcomes & Findings for Effect of Vildagliptin vs. Glibenclamide on Circulating Endothelial Progenitor Cell Number Type 2 Diabetes (NCT NCT01822548)

NCT ID: NCT01822548

Last Updated: 2017-08-02

Results Overview

The study primary endpoint was the change from baseline values of the EPC number in the Vildagliptin vs Glibenclamide arm at 4 and 12 months.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

64 participants

Primary outcome timeframe

V0, V2 (month 4), V4 (12 month)

Results posted on

2017-08-02

Participant Flow

Individuals with type 2 diabetes were recruited in the outpatient Diabetes Unit of Parma University Hospital

Participant milestones

Participant milestones
Measure
Vildagliptin & Metformin
Vildagliptin 100 mg tablet and metformin (max dose=2500 mg) tablet daily oral administration Vildagliptin: 100 mg daily
Glibenclamide & Metformin
Glibenclamide maximum dose of 10 mg tablet and metformin (max dose=2500 mg) tablet daily oral administration Glibenclamide: 2.5 mg (total daily), progressively increased up to a maximum dose of 5 mg x 2/ day.
Overall Study
STARTED
40
24
Overall Study
Discontinued Intervention
0
5
Overall Study
COMPLETED
40
24
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Effect of Vildagliptin vs. Glibenclamide on Circulating Endothelial Progenitor Cell Number Type 2 Diabetes

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Vildagliptin & Metformin
n=40 Participants
Vildagliptin 100 mg tablet and metformin (max dose=2500 mg) tablet daily oral administration Vildagliptin: 100 mg daily
Glibenclamide & Metformin
n=24 Participants
Glibenclamide maximum dose of 10 mg tablet and metformin (max dose=2500 mg) tablet daily oral administration Glibenclamide: 2.5 mg (total daily), progressively increased up to a maximum dose of 5 mg x 2/ day.
Total
n=64 Participants
Total of all reporting groups
Age, Continuous
61 years
STANDARD_DEVIATION 9 • n=5 Participants
63 years
STANDARD_DEVIATION 10 • n=7 Participants
62 years
STANDARD_DEVIATION 9 • n=5 Participants
Sex: Female, Male
Female
14 Participants
n=5 Participants
7 Participants
n=7 Participants
21 Participants
n=5 Participants
Sex: Female, Male
Male
26 Participants
n=5 Participants
17 Participants
n=7 Participants
43 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
40 Participants
n=5 Participants
24 Participants
n=7 Participants
64 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 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
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
White
40 Participants
n=5 Participants
24 Participants
n=7 Participants
64 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
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
Italy
40 participants
n=5 Participants
24 participants
n=7 Participants
64 participants
n=5 Participants
Body Mass Index
29.1 kg/m^2
n=5 Participants
28.9 kg/m^2
n=7 Participants
29.0 kg/m^2
n=5 Participants
HBA1C
7.7 %
n=5 Participants
7.7 %
n=7 Participants
7.7 %
n=5 Participants
Endothelial Progenitor Cells Number
39 EPC/10^6 cells
n=5 Participants
37.5 EPC/10^6 cells
n=7 Participants
38 EPC/10^6 cells
n=5 Participants

PRIMARY outcome

Timeframe: V0, V2 (month 4), V4 (12 month)

Population: Intention to treat (ITT) analysis

The study primary endpoint was the change from baseline values of the EPC number in the Vildagliptin vs Glibenclamide arm at 4 and 12 months.

Outcome measures

Outcome measures
Measure
Vildagliptin & Metformin
n=40 Participants
Vildagliptin 100 mg tablet and metformin (max dose=2500 mg) tablet daily oral administration Vildagliptin: 100 mg daily
Glibenclamide & Metformin
n=24 Participants
Glibenclamide maximum dose of 10 mg tablet and metformin (max dose=2500 mg) tablet daily oral administration Glibenclamide: 2.5 mg (total daily), progressively increased up to a maximum dose of 5 mg x 2/ day.
Absolute Change in the Endothelial Progenitor Cell (EPC) Number
V2 (4 month)
37 EPC/10^6 cells
Interval 27.0 to 65.0
36 EPC/10^6 cells
Interval 23.0 to 54.2
Absolute Change in the Endothelial Progenitor Cell (EPC) Number
V4 (12 month)
45 EPC/10^6 cells
Interval 29.7 to 67.0
32 EPC/10^6 cells
Interval 22.2 to 53.5

SECONDARY outcome

Timeframe: V0 (randomization), V2 (month4), V4 (month 12).

The secondary endpoint was the change from baseline values of HbA1C in the Vildagliptin vs Glibenclamide arm at 4 and 12 months

Outcome measures

Outcome measures
Measure
Vildagliptin & Metformin
n=40 Participants
Vildagliptin 100 mg tablet and metformin (max dose=2500 mg) tablet daily oral administration Vildagliptin: 100 mg daily
Glibenclamide & Metformin
n=24 Participants
Glibenclamide maximum dose of 10 mg tablet and metformin (max dose=2500 mg) tablet daily oral administration Glibenclamide: 2.5 mg (total daily), progressively increased up to a maximum dose of 5 mg x 2/ day.
Absolute Change in HbA1C Compared to Baseline
V2 (4 month)
6.8 percentage
Interval 6.4 to 7.3
6.8 percentage
Interval 6.4 to 7.3
Absolute Change in HbA1C Compared to Baseline
V4 (12 month)
7.0 percentage
Interval 6.5 to 7.3
7.1 percentage
Interval 6.5 to 7.5

Adverse Events

Vildagliptin & Metformin

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

Glibenclamide & Metformin

Serious events: 0 serious events
Other events: 5 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Vildagliptin & Metformin
n=40 participants at risk
Vildagliptin 100 mg tablet and metformin (max dose=2500 mg) tablet daily oral administration Vildagliptin: 100 mg daily
Glibenclamide & Metformin
n=24 participants at risk
Glibenclamide maximum dose of 10 mg tablet and metformin (max dose=2500 mg) tablet daily oral administration Glibenclamide: 2.5 mg (total daily), progressively increased up to a maximum dose of 5 mg x 2/ day.
Metabolism and nutrition disorders
hypoglycemia
0.00%
0/40 • 4 months
Hypoglycemia
20.8%
5/24 • Number of events 5 • 4 months
Hypoglycemia

Additional Information

Prof.ssa Ivana Zavaroni

Azienda ospedaliero-universitaria di Parma

Phone: +390521033306

Results disclosure agreements

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