Trial Outcomes & Findings for Dapagliflozin and Metformin,Alone and in Combination, in Overweight/Obese Prior GDM Women (NCT NCT02338193)

NCT ID: NCT02338193

Last Updated: 2019-06-11

Results Overview

Change in absolute body weight with combination therapy compared to monotherapy from baseline to week 24

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

69 participants

Primary outcome timeframe

Change from baseline (time 0) to study end (24 weeks)

Results posted on

2019-06-11

Participant Flow

Patients recruited from Woman's Hospital post delivery

3 patients not randomized since reluctant to take medication

Participant milestones

Participant milestones
Measure
DAPA/MET XR
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Overall Study
STARTED
20
21
25
Overall Study
COMPLETED
17
17
15
Overall Study
NOT COMPLETED
3
4
10

Reasons for withdrawal

Reasons for withdrawal
Measure
DAPA/MET XR
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Overall Study
Withdrawal by Subject
0
0
2
Overall Study
Pregnancy
0
1
1
Overall Study
Noncompliant with visits
2
2
7
Overall Study
moved out of state
0
1
0
Overall Study
intolerant of side effects
1
0
0

Baseline Characteristics

Dapagliflozin and Metformin,Alone and in Combination, in Overweight/Obese Prior GDM Women

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
DAPA/MET XR
n=20 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=21 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=25 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Total
n=66 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
20 Participants
n=5 Participants
21 Participants
n=7 Participants
25 Participants
n=5 Participants
66 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
Sex: Female, Male
Female
20 Participants
n=5 Participants
21 Participants
n=7 Participants
25 Participants
n=5 Participants
66 Participants
n=4 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
20 Participants
n=5 Participants
21 Participants
n=7 Participants
25 Participants
n=5 Participants
66 Participants
n=4 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 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
0 Participants
n=4 Participants
Race (NIH/OMB)
Black or African American
6 Participants
n=5 Participants
6 Participants
n=7 Participants
10 Participants
n=5 Participants
22 Participants
n=4 Participants
Race (NIH/OMB)
White
14 Participants
n=5 Participants
15 Participants
n=7 Participants
15 Participants
n=5 Participants
44 Participants
n=4 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
Region of Enrollment
United States
20 participants
n=5 Participants
21 participants
n=7 Participants
25 participants
n=5 Participants
66 participants
n=4 Participants
BMI greater than/equal to 25
20 Participants
n=5 Participants
21 Participants
n=7 Participants
25 Participants
n=5 Participants
66 Participants
n=4 Participants

PRIMARY outcome

Timeframe: Change from baseline (time 0) to study end (24 weeks)

Change in absolute body weight with combination therapy compared to monotherapy from baseline to week 24

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Change in Body Weight
-21.5 kilograms
Standard Deviation 14
-12.5 kilograms
Standard Deviation 20
-4.4 kilograms
Standard Deviation 18

SECONDARY outcome

Timeframe: Change from baseline (time 0) to study end (24 weeks)

Change in percent body weight with combination therapy compared to monotherapy from baseline to week 24

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Change in Percent Body Weight
-4.9 percent weight loss from baseline
Standard Deviation 3.1
-3.2 percent weight loss from baseline
Standard Deviation 4.5
-1.1 percent weight loss from baseline
Standard Deviation 4.4

SECONDARY outcome

Timeframe: 24 weeks of treatment

BMI (measure of overall adiposity) in combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Body Mass Index (BMI)
33 kg/m2
Standard Deviation 6.2
33.7 kg/m2
Standard Deviation 7.7
31 kg/m2
Standard Deviation 5.4

SECONDARY outcome

Timeframe: 24 weeks of treatment

Waist size (measure of truncal adiposity)with combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Waist Circumference (WC)
95.6 centimeters
Standard Deviation 12.7
95 centimeters
Standard Deviation 16.6
91.7 centimeters
Standard Deviation 11.4

SECONDARY outcome

Timeframe: 24 weeks of treatment

Waist-to-hip ratio with combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Waist- to -Hip Ratio (WHR; Measure of Central Adiposity)
0.81 Ratio
Standard Deviation 0.055
0.80 Ratio
Standard Deviation .06
0.83 Ratio
Standard Deviation .06

SECONDARY outcome

Timeframe: 24 weeks of treatment

Waist divided by height a( measure of central adiposity) with combination therapy compared to monotherapy after 24 weeks of therapy

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Waist-to-height Ratio (WHtR)
0.58 ratio
Standard Deviation .06
0.57 ratio
Standard Deviation .09
0.56 ratio
Standard Deviation .06

SECONDARY outcome

Timeframe: 24 weeks of treatment)

Diastolic blood pressure with combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Diastolic Blood Pressure (DBP)
79 mmHG
Standard Deviation 11
77.8 mmHG
Standard Deviation 11
79 mmHG
Standard Deviation 7.5

SECONDARY outcome

Timeframe: 24 weeks of treatment

Systolic blood pressure with combination therapy compared to monotherapy after 24 weeks of therapy

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Systolic Blood Pressure (SBP)
125 mmHg
Standard Deviation 12
124 mmHg
Standard Deviation 13
119.6 mmHg
Standard Deviation 10.4

SECONDARY outcome

Timeframe: 24 weeks of treatment

ALT/AST ratio with combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Liver Enzymes
1.13 Ratio
Standard Deviation .35
1.12 Ratio
Standard Deviation .32
1.18 Ratio
Standard Deviation .3

SECONDARY outcome

Timeframe: 24 weeks of treatment

Cholesterol levels with combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Total Cholesterol Levels (CHOL)
196 mg/dL
Standard Deviation 45
168 mg/dL
Standard Deviation 32
178 mg/dL
Standard Deviation 31

SECONDARY outcome

Timeframe: 24 weeks of treatment

Triglyceride levels with combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Triglyceride (TRG) Levels
119 mg/dL
Standard Deviation 59
89.8 mg/dL
Standard Deviation 39
212 mg/dL
Standard Deviation 64

SECONDARY outcome

Timeframe: 24 weeks of treatment

Fasting blood glucose levels with combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Fasting Blood Glucose (FBG)
89 mg/dL
Standard Deviation 7.9
91 mg/dL
Standard Deviation 9.2
87 mg/dL
Standard Deviation 4.3

SECONDARY outcome

Timeframe: 24 weeks of treatment

Mean blood glucose after glucose load with combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Mean Blood Glucose (MBG) During an OGTT
109.5 mg/dL
Standard Deviation 15.2
110.1 mg/dL
Standard Deviation 17.8
112.5 mg/dL
Standard Deviation 15

SECONDARY outcome

Timeframe: 24 weeks of treatment

HOMA index of insulin resistance calculated from fasting insulin and glucose with combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Fasting Insulin Sensitivity (HOMA-IR)
2.6 Index
Standard Deviation 1.6
2.4 Index
Standard Deviation 1.4
1.8 Index
Standard Deviation 0.84

SECONDARY outcome

Timeframe: 24 weeks of treatment

Surrogate measure of insulin sensitivity derived from OGTT with combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Matsuda Sensitivity Index (SI OGTT)
6.0 Index
Standard Deviation 3.2
6.3 Index
Standard Deviation 4.4
5.42 Index
Standard Deviation 2.4

SECONDARY outcome

Timeframe: 24 weeks of treatment

Corrected early insulin response to glucose challenge \[(insulinogenic index (IGI)/ divided by fasting insulin resistance index (HOMA-IR)\] with combination therapy compared to monotherapy after 24 weeks of treatment

Outcome measures

Outcome measures
Measure
DAPA/MET XR
n=17 Participants
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=17 Participants
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=15 Participants
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
First Phase Insulin Secretion (IGI/HOMA-IR)
1.7 Index
Standard Deviation 3.2
1.1 Index
Standard Deviation 1.2
0.77 Index
Standard Deviation .53

Adverse Events

DAPA/MET XR

Serious events: 0 serious events
Other events: 6 other events
Deaths: 0 deaths

Dapaglifloxin

Serious events: 0 serious events
Other events: 6 other events
Deaths: 0 deaths

Metformin XR

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
DAPA/MET XR
n=20 participants at risk
Dapagliflozin plus metformin XR- 5 mg/1000 mg with meal for 4 weeks DAPA/MET XR- 5mg/1000 mg BID final dose for 20 weeks DAPA/MET XR: final dose- 5 mg dapagliflozin/1000 mg glucophage XR BID for 20-24 weeks
Dapaglifloxin
n=21 participants at risk
Dapagliflozin- 10 mg once daily before first meal for 24 weeks DAPA: 10 mg dapagliflozin QD for 20-24 weeks
Metformin XR
n=25 participants at risk
Metformin XR with 500 mg once a day for 2 weeks, followed by 500 mg twice a day for 2 weeks, followed by 500 mg in the AM, 1000 mg in the PM for 2 weeks, with 1000 mg twice a day as the final dose for 20 weeks MET XR: 1000 mg Metformin XR BID for 20-24 weeks
Renal and urinary disorders
Yeast infection
25.0%
5/20 • Number of events 5 • 6 months while participating in trial
28.6%
6/21 • Number of events 6 • 6 months while participating in trial
0.00%
0/25 • 6 months while participating in trial
Gastrointestinal disorders
Nausea/diarrhea
5.0%
1/20 • Number of events 1 • 6 months while participating in trial
0.00%
0/21 • 6 months while participating in trial
20.0%
5/25 • Number of events 5 • 6 months while participating in trial

Additional Information

Dr Karen Elkind-Hirsch, Director of Research

Woman's Hospital

Phone: 225 231-5278

Results disclosure agreements

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