Trial Outcomes & Findings for Dapagliflozin (DAPA) Effects in HFpEF (NCT NCT04730947)

NCT ID: NCT04730947

Last Updated: 2023-10-12

Results Overview

Pulmonary capillary wedge pressure is a measure of cardiac filling pressure, measured using a high-fidelity micromanometer advanced through the lumen of a fluid-filled catheter during exercise.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

38 participants

Primary outcome timeframe

Baseline, 24 weeks

Results posted on

2023-10-12

Participant Flow

Participant milestones

Participant milestones
Measure
Dapagliflozin Group
Subjects with heart failure/preserved ejection fraction (HFpEF) will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Overall Study
STARTED
21
17
Overall Study
COMPLETED
21
16
Overall Study
NOT COMPLETED
0
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Dapagliflozin Group
Subjects with heart failure/preserved ejection fraction (HFpEF) will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Overall Study
Withdrawal by Subject
0
1

Baseline Characteristics

Race and Ethnicity were not collected from any participant.

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Dapagliflozin Group
n=21 Participants
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=17 Participants
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Total
n=38 Participants
Total of all reporting groups
Age, Continuous
67 years
STANDARD_DEVIATION 9 • n=21 Participants
67 years
STANDARD_DEVIATION 9 • n=17 Participants
67 years
STANDARD_DEVIATION 9 • n=38 Participants
Sex: Female, Male
Female
14 Participants
n=21 Participants
11 Participants
n=17 Participants
25 Participants
n=38 Participants
Sex: Female, Male
Male
7 Participants
n=21 Participants
6 Participants
n=17 Participants
13 Participants
n=38 Participants
Race and Ethnicity Not Collected
0 Participants
Race and Ethnicity were not collected from any participant.
Region of Enrollment
United States
21 participants
n=21 Participants
17 participants
n=17 Participants
38 participants
n=38 Participants

PRIMARY outcome

Timeframe: Baseline, 24 weeks

Pulmonary capillary wedge pressure is a measure of cardiac filling pressure, measured using a high-fidelity micromanometer advanced through the lumen of a fluid-filled catheter during exercise.

Outcome measures

Outcome measures
Measure
Dapagliflozin Group
n=21 Participants
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=16 Participants
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Pulmonary Capillary Wedge Pressure (PCWP) at Maximal Exercise
-6.6 mmHg
Standard Deviation 7.2
-0.4 mmHg
Standard Deviation 8.4

PRIMARY outcome

Timeframe: Baseline, 24 weeks

Pulmonary capillary wedge pressure is a measure of cardiac filling pressure, measured using a high-fidelity micromanometer advanced through the lumen of a fluid-filled catheter during rest.

Outcome measures

Outcome measures
Measure
Dapagliflozin Group
n=21 Participants
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=16 Participants
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Pulmonary Capillary Wedge Pressure (PCWP) at Rest
-2.5 mmHg
Standard Deviation 3.7
1.1 mmHg
Standard Deviation 5.9

SECONDARY outcome

Timeframe: Baseline, 24 weeks

Change in body weight as measured in kilograms (kg)

Outcome measures

Outcome measures
Measure
Dapagliflozin Group
n=21 Participants
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=16 Participants
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Change in Body Weight
-3.7 kg
Standard Deviation 4.2
-0.2 kg
Standard Deviation 2.6

SECONDARY outcome

Timeframe: Baseline, 24 weeks

Total blood volume was assessed using a radiolabeled iodinated albumin (131I, 5-25 μCu) indicator dilution technique with the BVA-100 Blood Volume Analyzer. Measured in millimeters (mL)

Outcome measures

Outcome measures
Measure
Dapagliflozin Group
n=21 Participants
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=16 Participants
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Change in Total Blood Volume
-118 mL
Standard Deviation 542
142 mL
Standard Deviation 399

SECONDARY outcome

Timeframe: Baseline, 24 weeks

Plasma volume was assessed using a radiolabeled iodinated albumin (131I, 5-25 μCu) indicator dilution technique with the BVA-100 Blood Volume Analyzer. Measured in millimeters (mL)

Outcome measures

Outcome measures
Measure
Dapagliflozin Group
n=21 Participants
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=16 Participants
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Change in Plasma Volume
-170 mL
Standard Deviation 343
115 mL
Standard Deviation 322

SECONDARY outcome

Timeframe: Baseline, 24 weeks

Right Atrial (RA) pressure is a measure of cardiac filling pressure, measured using a high-fidelity micromanometer advanced through the lumen of a fluid-filled catheter during exercise.

Outcome measures

Outcome measures
Measure
Dapagliflozin Group
n=21 Participants
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=16 Participants
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Change in Right Atrial (RA) Pressure at Maximal Exercise
-3.4 mmHg
Standard Deviation 4.0
0.8 mmHg
Standard Deviation 5.6

SECONDARY outcome

Timeframe: Baseline, 24 weeks

Right Atrial (RA) pressure is a measure of cardiac filling pressure, measured using a high-fidelity micromanometer advanced through the lumen of a fluid-filled catheter during rest.

Outcome measures

Outcome measures
Measure
Dapagliflozin Group
n=21 Participants
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=16 Participants
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Change in Right Atrial (RA) Pressure at Rest
-1.6 mmHg
Standard Deviation 2.6
0.3 mmHg
Standard Deviation 4.0

SECONDARY outcome

Timeframe: Baseline, 24 weeks

Pulmonary Arterial (PA) pressure is a measure of cardiac filling pressure, measured using a high-fidelity micromanometer advanced through the lumen of a fluid-filled catheter during exercise.

Outcome measures

Outcome measures
Measure
Dapagliflozin Group
n=21 Participants
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=16 Participants
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Change in Mean Pulmonary Arterial Pressure (PA) at Maximal Exercise
-5.2 mmHg
Standard Deviation 6.6
0.7 mmHg
Standard Deviation 8.6

SECONDARY outcome

Timeframe: Baseline, 24 weeks

Pulmonary Arterial (PA) pressure is a measure of cardiac filling pressure, measured using a high-fidelity micromanometer advanced through the lumen of a fluid-filled catheter during rest.

Outcome measures

Outcome measures
Measure
Dapagliflozin Group
n=21 Participants
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=16 Participants
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Change in Mean Pulmonary Arterial Pressure (PA) at Rest
-1.8 mmHg
Standard Deviation 4.0
1.1 mmHg
Standard Deviation 7.4

Adverse Events

Dapagliflozin Group

Serious events: 4 serious events
Other events: 21 other events
Deaths: 0 deaths

Placebo Group

Serious events: 0 serious events
Other events: 17 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Dapagliflozin Group
n=21 participants at risk
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=17 participants at risk
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
Surgical and medical procedures
humerus fracture
4.8%
1/21 • Number of events 1 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
0.00%
0/17 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
Infections and infestations
pneumonia related to COVID-19
4.8%
1/21 • Number of events 1 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
0.00%
0/17 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
General disorders
allergic food reaction
4.8%
1/21 • Number of events 1 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
0.00%
0/17 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
General disorders
hospitalization
4.8%
1/21 • Number of events 1 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
0.00%
0/17 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.

Other adverse events

Other adverse events
Measure
Dapagliflozin Group
n=21 participants at risk
Subjects with HFpEF will take the study drug dapagliflozin daily Dapagliflozin: 10 mg orally once a day
Placebo Group
n=17 participants at risk
Subjects with HFpEF will take a placebo daily Placebo: Taken orally once a day, the placebo looks identical to the study drug but it contains no active ingredient
General disorders
Minor bruising or bleeding following catheterization
9.5%
2/21 • Number of events 2 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
11.8%
2/17 • Number of events 2 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
General disorders
Dizziness or dehydration
38.1%
8/21 • Number of events 8 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
11.8%
2/17 • Number of events 2 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
Infections and infestations
Genitourinary infections
14.3%
3/21 • Number of events 3 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
5.9%
1/17 • Number of events 1 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
General disorders
Hypoglycemia
4.8%
1/21 • Number of events 1 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
5.9%
1/17 • Number of events 1 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
General disorders
Worsening dyspenea
28.6%
6/21 • Number of events 6 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
41.2%
7/17 • Number of events 7 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
General disorders
Worsening fatigue
14.3%
3/21 • Number of events 3 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
23.5%
4/17 • Number of events 4 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
General disorders
Medication intolerance
0.00%
0/21 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.
5.9%
1/17 • Number of events 1 • Adverse events were collected on each participant from enrollment through approximately one week following the final on-site study visit for a total of approximately seven months.

Additional Information

Dr. Barry A. Borlaug

Mayo Clinic

Phone: 507-293-2762

Results disclosure agreements

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