Trial Outcomes & Findings for Efficacy of Losartan in Preventing Progression of COPD (NCT NCT00720226)

NCT ID: NCT00720226

Last Updated: 2017-04-25

Results Overview

Percent emphysema calculated as percent of CT voxels less than -950 HU measured at TLC. Analysis limited to patients with 5-35% emphysema on CT scan at baseline.

Recruitment status

COMPLETED

Study phase

PHASE4

Target enrollment

106 participants

Primary outcome timeframe

Change between baseline and month 12.

Results posted on

2017-04-25

Participant Flow

Participant milestones

Participant milestones
Measure
Losartan
Losartan 100 mg daily Losartan: Losartan 100 mg daily
Placebo
Placebo 1 pill daily Placebo: Placebo pill daily
Overall Study
STARTED
54
52
Overall Study
COMPLETED
47
48
Overall Study
NOT COMPLETED
7
4

Reasons for withdrawal

Reasons for withdrawal
Measure
Losartan
Losartan 100 mg daily Losartan: Losartan 100 mg daily
Placebo
Placebo 1 pill daily Placebo: Placebo pill daily
Overall Study
Withdrawal by Subject
7
4

Baseline Characteristics

Participants with analyzable data pre-bronchodilator

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Losartan
n=54 Participants
Losartan 100 mg daily
Placebo
n=52 Participants
Placebo 1 tablet daily
Total
n=106 Participants
Total of all reporting groups
Age, Continuous
58.3 Years
STANDARD_DEVIATION 10.0 • n=54 Participants
59.3 Years
STANDARD_DEVIATION 9.8 • n=52 Participants
58.8 Years
STANDARD_DEVIATION 14.0 • n=106 Participants
Sex: Female, Male
Female
28 Participants
n=54 Participants
25 Participants
n=52 Participants
53 Participants
n=106 Participants
Sex: Female, Male
Male
26 Participants
n=54 Participants
27 Participants
n=52 Participants
53 Participants
n=106 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=54 Participants
0 Participants
n=52 Participants
0 Participants
n=106 Participants
Race (NIH/OMB)
Asian
0 Participants
n=54 Participants
0 Participants
n=52 Participants
0 Participants
n=106 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=54 Participants
0 Participants
n=52 Participants
0 Participants
n=106 Participants
Race (NIH/OMB)
Black or African American
16 Participants
n=54 Participants
14 Participants
n=52 Participants
30 Participants
n=106 Participants
Race (NIH/OMB)
White
38 Participants
n=54 Participants
38 Participants
n=52 Participants
76 Participants
n=106 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=54 Participants
0 Participants
n=52 Participants
0 Participants
n=106 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=54 Participants
0 Participants
n=52 Participants
0 Participants
n=106 Participants
FEV1 (L)
1.57 L (BTPS)
STANDARD_DEVIATION 0.52 • n=51 Participants • Participants with analyzable data pre-bronchodilator
1.42 L (BTPS)
STANDARD_DEVIATION .46 • n=51 Participants • Participants with analyzable data pre-bronchodilator
1.49 L (BTPS)
STANDARD_DEVIATION 0.69 • n=102 Participants • Participants with analyzable data pre-bronchodilator
FEV1/FVC (%)
52.9 percent
STANDARD_DEVIATION 10.5 • n=51 Participants • Participants with analyzable data from pre-bronchodilator spirometry
49.9 percent
STANDARD_DEVIATION 11.3 • n=51 Participants • Participants with analyzable data from pre-bronchodilator spirometry
51.4 percent
STANDARD_DEVIATION 15.4 • n=102 Participants • Participants with analyzable data from pre-bronchodilator spirometry
Smoking Status
Current Smoker
36 participants
n=54 Participants
36 participants
n=52 Participants
72 participants
n=106 Participants
Smoking Status
Former Smoker
18 participants
n=54 Participants
16 participants
n=52 Participants
34 participants
n=106 Participants
Emphysema on HRCT
24 Participants
n=54 Participants
21 Participants
n=52 Participants
45 Participants
n=106 Participants

PRIMARY outcome

Timeframe: Change between baseline and month 12.

Population: Participants with 5-35% emphysema on baseline CT scan

Percent emphysema calculated as percent of CT voxels less than -950 HU measured at TLC. Analysis limited to patients with 5-35% emphysema on CT scan at baseline.

Outcome measures

Outcome measures
Measure
Losartan
n=23 Participants
Losartan: Losartan 100 mg daily (participants with 5-35% emphysema)
Placebo
n=20 Participants
Placebo: Placebo pill daily (Participants with 5-35% emphysema)
Change in Percent Emphysema on CT Scan
-0.32 % Emphysema Whole Lung
Standard Deviation 3.7
2.18 % Emphysema Whole Lung
Standard Deviation 4.9

SECONDARY outcome

Timeframe: Measured at Baseline and Month 12

Population: Participants with 5-35% emphysema at baseline who had HRCT scans performed both at baseline and at 12 months.

Change in FEV1 (L) post-bronchodilator from baseline to 12 months. Analysis includes only participants with 5-35% emphysema at baseline.

Outcome measures

Outcome measures
Measure
Losartan
n=23 Participants
Losartan: Losartan 100 mg daily (participants with 5-35% emphysema)
Placebo
n=20 Participants
Placebo: Placebo pill daily (Participants with 5-35% emphysema)
Change in FEV1 (L)
-0.0879 L (BTPS)
Standard Deviation 0.163
-0.0581 L (BTPS)
Standard Deviation 0.167

Adverse Events

Losartan 100 mg Daily

Serious events: 7 serious events
Other events: 19 other events
Deaths: 0 deaths

Placebo

Serious events: 18 serious events
Other events: 24 other events
Deaths: 1 deaths

Serious adverse events

Serious adverse events
Measure
Losartan 100 mg Daily
n=54 participants at risk
Losartan 100 mg daily Losartan: Losartan 100 mg daily
Placebo
n=52 participants at risk
Placebo 1 pill daily Placebo: Placebo pill daily
Respiratory, thoracic and mediastinal disorders
COPD exacerbation
13.0%
7/54 • Number of events 7 • 1 year
34.6%
18/52 • Number of events 18 • 1 year

Other adverse events

Other adverse events
Measure
Losartan 100 mg Daily
n=54 participants at risk
Losartan 100 mg daily Losartan: Losartan 100 mg daily
Placebo
n=52 participants at risk
Placebo 1 pill daily Placebo: Placebo pill daily
Respiratory, thoracic and mediastinal disorders
Worsening of respiratory symptoms
35.2%
19/54 • Number of events 19 • 1 year
46.2%
24/52 • Number of events 24 • 1 year
Gastrointestinal disorders
Worsening of gastrointestinal symptoms
13.0%
7/54 • Number of events 7 • 1 year
21.2%
11/52 • Number of events 11 • 1 year
Musculoskeletal and connective tissue disorders
Worsening of musculoskeletal symptoms or fracture
14.8%
8/54 • Number of events 8 • 1 year
5.8%
3/52 • Number of events 3 • 1 year

Additional Information

Robert A. Wise

Johns Hopkins University School of Medicine

Phone: 410 550 0545

Results disclosure agreements

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