Trial Outcomes & Findings for Left Atrial Mechanical Function Improvement After Atrial Fibrillation Catheter Ablation (NCT NCT02734355)

NCT ID: NCT02734355

Last Updated: 2017-03-22

Results Overview

Velocity time integral of transmitral flow during left ventricle early filling phase (VTI E, cm).

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

64 participants

Primary outcome timeframe

7 days

Results posted on

2017-03-22

Participant Flow

Participant milestones

Participant milestones
Measure
Therapy
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Overall Study
STARTED
34
30
Overall Study
COMPLETED
34
30
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Left Atrial Mechanical Function Improvement After Atrial Fibrillation Catheter Ablation

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days Telmisartan 80 mg and amlodipine 5 mg
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days Placebo (for telmisartan and amlodipine): Sugar pill manufactured to mimic telmisartan 80 mg and amlodipine 5 mg tablet
Total
n=64 Participants
Total of all reporting groups
Age, Continuous
52.3 years
STANDARD_DEVIATION 5.7 • n=99 Participants
54.1 years
STANDARD_DEVIATION 6.2 • n=107 Participants
53.1 years
STANDARD_DEVIATION 6.7 • n=206 Participants
Sex: Female, Male
Female
12 Participants
n=99 Participants
11 Participants
n=107 Participants
23 Participants
n=206 Participants
Sex: Female, Male
Male
22 Participants
n=99 Participants
19 Participants
n=107 Participants
41 Participants
n=206 Participants
Region of Enrollment
Russian Federation
34 Participants
n=99 Participants
30 Participants
n=107 Participants
64 Participants
n=206 Participants

PRIMARY outcome

Timeframe: 7 days

Velocity time integral of transmitral flow during left ventricle early filling phase (VTI E, cm).

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Passive Emptying of Left Atrium
14.7 cm
Standard Deviation 4.4
20.9 cm
Standard Deviation 5.2

PRIMARY outcome

Timeframe: 7 days

Velocity time integral of transmitral flow during atrial contraction (VTI A, cm).

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Active Emptying of Left Atrium
7.4 cm
Standard Deviation 2.6
5.4 cm
Standard Deviation 1.3

PRIMARY outcome

Timeframe: 7 days

Velocity time integral of transmitral flow (VTITMF, cm) during the whole diastole.

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Left Atrial Reservoir Function
19.1 cm
Standard Deviation 3.5
13.3 cm
Standard Deviation 3.2

PRIMARY outcome

Timeframe: 7 days

E/A ratio of transmitral flow

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Diastolic Function
1.62 ratio
Standard Deviation 0.35
2.64 ratio
Standard Deviation 0.63

PRIMARY outcome

Timeframe: 7 days

Left ventricular isovolumic relaxation time (IVRT, ms).

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Isovolumic Relaxation
117 ms
Standard Deviation 19
98 ms
Standard Deviation 10

PRIMARY outcome

Timeframe: 7 days

S/D ratio of right superior pulmonary vein flow

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Pulmonary Vein Flow Emptying
1.3 ratio
Standard Deviation 0.39
1.46 ratio
Standard Deviation 0.37

PRIMARY outcome

Timeframe: 7 days

Velocity time integral of right superior pulmonary vein flow during left atrial systole (VTI Ar, cm)

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Retrograde Flow in Pulmonary Veins
4.1 cm
Standard Deviation 1.4
1.5 cm
Standard Deviation 0.5

PRIMARY outcome

Timeframe: 7 days

Left atrial active emptying fraction (LAAEF, %)

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Left Atrial Contractility
40 percentage of LA maximum volume
Standard Deviation 6.7
31.6 percentage of LA maximum volume
Standard Deviation 6.7

PRIMARY outcome

Timeframe: 7 days

Left atrial antero-posterior diameter (LAD, cm)

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Left Atrial Dimensions
3.9 cm
Standard Deviation 0.3
4.1 cm
Standard Deviation 0.6

PRIMARY outcome

Timeframe: 7 days

Mean left atrial pressure (MLAP, mm Hg).

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Left Atrial Pressure Load
9 mm Hg
Standard Deviation 3.1
13.8 mm Hg
Standard Deviation 2.9

PRIMARY outcome

Timeframe: 7 days

Right ventricular systolic pressure (RVSP, mm Hg).

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Pulmonary Circulation Pressure Load
16.7 mm Hg
Standard Deviation 9.6
31.6 mm Hg
Standard Deviation 14.4

SECONDARY outcome

Timeframe: 7 days

The average of eight scores of 36-Item Short Form Health Survey (SF-36). In every case all of eight scores (which ranges from 0 to 100) was summarized, then the sum was divided by 8. Thus the outcome also ranges from 0 (worse outcome) to 100 (better outcome).

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Quality of Life
92 units on a scale
Standard Deviation 4
85 units on a scale
Standard Deviation 5

SECONDARY outcome

Timeframe: 7 days

six-minute walk distance in meters

Outcome measures

Outcome measures
Measure
Therapy
n=34 Participants
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 Participants
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Exercise Tolerance
403 m
Standard Deviation 27
345 m
Standard Deviation 25

Adverse Events

Therapy

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Placebo

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Therapy
n=34 participants at risk
Telmisartan 80 mg and amlodipine 5 mg tablet by mouth every 24 hours for 7 days
Placebo
n=30 participants at risk
Placebo (for telmisartan 80 mg and amlodipine 5 mg) tablet by mouth every 24 hours for 7 days
Cardiac disorders
Drug-induced hypotension
5.9%
2/34 • Number of events 2 • 7 days
3.3%
1/30 • Number of events 1 • 7 days
Blood and lymphatic system disorders
Swelling of lower leg
2.9%
1/34 • Number of events 1 • 7 days
3.3%
1/30 • Number of events 1 • 7 days

Additional Information

Dr. Sergey Mamchur

Research Institute for Complex Problems of Cardiovascular Diseases, Russia

Phone: +73842643308

Results disclosure agreements

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