Trial Outcomes & Findings for Efficacy and Safety Study of AeroVanc for the Treatment of Persistent MRSA Lung Infection in Cystic Fibrosis Patients (NCT NCT01746095)

NCT ID: NCT01746095

Last Updated: 2020-01-13

Results Overview

Change from Baseline at Day 29 of the dosing period (start of AeroVanc/Placebo administration is considered Day 1 of the dosing period) in the number of MRSA colony forming units (CFU) in sputum culture.

Recruitment status

COMPLETED

Study phase

PHASE2

Target enrollment

87 participants

Primary outcome timeframe

Day 29 of treatment period

Results posted on

2020-01-13

Participant Flow

Participant milestones

Participant milestones
Measure
AeroVanc 32 mg
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
Placebo inhalation powder BID
AeroVanc 64 mg
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
Placebo inhalation powder BID
Overall Study
STARTED
20
20
24
23
Overall Study
COMPLETED
16
16
11
15
Overall Study
NOT COMPLETED
4
4
13
8

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Efficacy and Safety Study of AeroVanc for the Treatment of Persistent MRSA Lung Infection in Cystic Fibrosis Patients

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
AeroVanc 32 mg
n=20 Participants
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=20 Participants
Placebo inhalation powder BID
AeroVanc 64 mg
n=24 Participants
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=23 Participants
Placebo inhalation powder BID
Total
n=87 Participants
Total of all reporting groups
Age, Categorical
<=18 years
7 Participants
n=5 Participants
6 Participants
n=7 Participants
4 Participants
n=5 Participants
4 Participants
n=4 Participants
21 Participants
n=21 Participants
Age, Categorical
Between 18 and 65 years
13 Participants
n=5 Participants
14 Participants
n=7 Participants
20 Participants
n=5 Participants
19 Participants
n=4 Participants
66 Participants
n=21 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
0 Participants
n=21 Participants
Sex: Female, Male
Female
13 Participants
n=5 Participants
9 Participants
n=7 Participants
9 Participants
n=5 Participants
8 Participants
n=4 Participants
39 Participants
n=21 Participants
Sex: Female, Male
Male
7 Participants
n=5 Participants
11 Participants
n=7 Participants
15 Participants
n=5 Participants
15 Participants
n=4 Participants
48 Participants
n=21 Participants
Region of Enrollment
United States
20 participants
n=5 Participants
20 participants
n=7 Participants
24 participants
n=5 Participants
23 participants
n=4 Participants
87 participants
n=21 Participants

PRIMARY outcome

Timeframe: Day 29 of treatment period

Population: Modified ITT population, which included all randomized patients who received any amount of study drug and had at least one scheduled post baseline measurement.

Change from Baseline at Day 29 of the dosing period (start of AeroVanc/Placebo administration is considered Day 1 of the dosing period) in the number of MRSA colony forming units (CFU) in sputum culture.

Outcome measures

Outcome measures
Measure
AeroVanc 32 mg
n=17 Participants
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=17 Participants
Placebo inhalation powder BID
AeroVanc 64 mg
n=15 Participants
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=22 Participants
Placebo inhalation powder BID
Change From Baseline in MRSA Sputum Density.
-0.25 Log10 CFU/mL
Standard Error 0.181
-0.30 Log10 CFU/mL
Standard Error 0.182
-0.63 Log10 CFU/mL
Standard Error 0.232
0.16 Log10 CFU/mL
Standard Error 0.201

SECONDARY outcome

Timeframe: Day 8 of treatment period

Population: Modified ITT population, which included all randomized patients who received any amount of study drug and had at least one scheduled post baseline measurement.

Outcome measures

Outcome measures
Measure
AeroVanc 32 mg
n=20 Participants
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=17 Participants
Placebo inhalation powder BID
AeroVanc 64 mg
n=24 Participants
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=22 Participants
Placebo inhalation powder BID
Change From Baseline in MRSA Sputum Density.
-0.27 Log10 CFU/mL
Standard Error 0.208
-0.28 Log10 CFU/mL
Standard Error 0.223
-1.04 Log10 CFU/mL
Standard Error 0.193
0.08 Log10 CFU/mL
Standard Error 0.200

SECONDARY outcome

Timeframe: Day 15 of treatment period

Population: Modified ITT (MITT) population, which included all randomized patients who received any amount of study drug and had at least one scheduled post baseline measurement.

Outcome measures

Outcome measures
Measure
AeroVanc 32 mg
n=19 Participants
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=16 Participants
Placebo inhalation powder BID
AeroVanc 64 mg
n=19 Participants
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=22 Participants
Placebo inhalation powder BID
Change From Baseline in MRSA Sputum Density.
-0.55 Log10 CFU/mL
Standard Error 0.259
0.09 Log10 CFU/mL
Standard Error 0.279
-1.14 Log10 CFU/mL
Standard Error 0.229
0.26 Log10 CFU/mL
Standard Error 0.216

SECONDARY outcome

Timeframe: Day 29 of treatment period

Population: Modified ITT population, which included all randomized patients who received any amount of study drug and had at least one scheduled post baseline measurement.

Absolute change from baseline in FEV1 percent predicted

Outcome measures

Outcome measures
Measure
AeroVanc 32 mg
n=18 Participants
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=17 Participants
Placebo inhalation powder BID
AeroVanc 64 mg
n=16 Participants
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=21 Participants
Placebo inhalation powder BID
Change From Baseline in FEV1
0.53 percentage of predicted FEV1
Standard Error 1.343
1.15 percentage of predicted FEV1
Standard Error 1.356
-0.68 percentage of predicted FEV1
Standard Error 1.1449
-2.61 percentage of predicted FEV1
Standard Error 1.314

SECONDARY outcome

Timeframe: Day 29 of treatment period

Population: Modified ITT population, which included all randomized patients who received any amount of study drug and had at least one scheduled post baseline measurement.

Absolute change from baseline in FVC percent predicted

Outcome measures

Outcome measures
Measure
AeroVanc 32 mg
n=18 Participants
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=17 Participants
Placebo inhalation powder BID
AeroVanc 64 mg
n=16 Participants
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=21 Participants
Placebo inhalation powder BID
Change From Baseline in FVC
-0.07 percentage of predicted FVC
Standard Error 1.273
1.67 percentage of predicted FVC
Standard Error 1.283
-0.47 percentage of predicted FVC
Standard Error 1.594
-2.48 percentage of predicted FVC
Standard Error 1.423

SECONDARY outcome

Timeframe: Day 29 of treatment period

Population: Modified ITT population, which included all randomized patients who received any amount of study drug and had at least one scheduled post baseline measurement.

Change from Baseline in Cystic Fibrosis Respiratory Symptom Diary (CFRSD) Chronic Respiratory Infection Symptom Scores (CRISS). The minimum score is 0 and the maximum is 100, where a higher score means a worse outcome.

Outcome measures

Outcome measures
Measure
AeroVanc 32 mg
n=17 Participants
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=17 Participants
Placebo inhalation powder BID
AeroVanc 64 mg
n=17 Participants
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=21 Participants
Placebo inhalation powder BID
Change From Baseline in Cystic Fibrosis Respiratory Symptom Diary (CFRSD-CRISS) Scores
-6.59 score on a scale
Standard Error 2.620
-3.02 score on a scale
Standard Error 2.614
-0.55 score on a scale
Standard Error 2.701
-5.43 score on a scale
Standard Error 2.552

SECONDARY outcome

Timeframe: Entire study: Day 1 of treatment period through 8 week post-treatment follow up visit

Population: Modified ITT population, which included all randomized patients who received any amount of study drug and had at least one scheduled post baseline measurement.

Outcome measures

Outcome measures
Measure
AeroVanc 32 mg
n=20 Participants
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=20 Participants
Placebo inhalation powder BID
AeroVanc 64 mg
n=24 Participants
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=23 Participants
Placebo inhalation powder BID
Time From Start of Dosing to First Administration of Other Antimicrobial Medications (Oral, Intravenous and/or Inhaled) Due to Respiratory Symptoms.
69.5 days
Interval 34.0 to 107.0
80.0 days
Interval 23.0 to
95% CI not calculable because 50% of patients were censored at time of study completion.
48.0 days
Interval 14.0 to 66.0
NA days
Interval 43.0 to
Median and 95% CI not calculable because more than 50% of patients were censored at time of study completion.

SECONDARY outcome

Timeframe: Entire study: Day 1 of treatment period through 8 week post-treatment follow up visit

Population: Modified ITT population, which included all randomized patients who received any amount of study drug and had at least one scheduled post baseline measurement.

Outcome measures

Outcome measures
Measure
AeroVanc 32 mg
n=20 Participants
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=20 Participants
Placebo inhalation powder BID
AeroVanc 64 mg
n=24 Participants
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=23 Participants
Placebo inhalation powder BID
Time From Start of Dosing to Exacerbation of Signs/Symptoms (Fuchs Criteria).
107.0 days
Interval 13.0 to 107.0
NA days
Interval 13.0 to
Median and 95% CI not calculable because more than 50% of patients were censored at time of study completion.
49.0 days
Interval 14.0 to 84.0
NA days
Interval 37.0 to
Median and 95% CI not calculable because more than 50% of patients were censored at time of study completion.

SECONDARY outcome

Timeframe: Day 29 of the dosing period

Population: Modified ITT population, which included all randomized patients who received any amount of study drug and had at least one scheduled post baseline measurement.

Outcome measures

Outcome measures
Measure
AeroVanc 32 mg
n=17 Participants
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=17 Participants
Placebo inhalation powder BID
AeroVanc 64 mg
n=15 Participants
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=22 Participants
Placebo inhalation powder BID
Change From Baseline in High Sensitivity CRP
-0.34 mg/dL
Standard Error 0.132
-0.18 mg/dL
Standard Error 0.130
0.15 mg/dL
Standard Error 0.223
-0.09 mg/dL
Standard Error 0.184

SECONDARY outcome

Timeframe: Day 29 of the dosing period

Population: Modified ITT population, which included all randomized patients who received any amount of study drug and had at least one scheduled post baseline measurement.

Outcome measures

Outcome measures
Measure
AeroVanc 32 mg
n=17 Participants
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=17 Participants
Placebo inhalation powder BID
AeroVanc 64 mg
n=16 Participants
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=21 Participants
Placebo inhalation powder BID
Change From Baseline in Blood Neutrophils
0.20 10^9 cells/L
Standard Error 0.569
1.23 10^9 cells/L
Standard Error 0.561
-0.29 10^9 cells/L
Standard Error 0.557
0.04 10^9 cells/L
Standard Error 0.487

Adverse Events

AeroVanc 32 mg

Serious events: 4 serious events
Other events: 18 other events
Deaths: 0 deaths

Placebo to 32 mg

Serious events: 2 serious events
Other events: 18 other events
Deaths: 0 deaths

AeroVanc 64 mg

Serious events: 1 serious events
Other events: 20 other events
Deaths: 0 deaths

Placebo to 64 mg

Serious events: 4 serious events
Other events: 19 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
AeroVanc 32 mg
n=20 participants at risk
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=20 participants at risk
Placebo inhalation powder BID
AeroVanc 64 mg
n=24 participants at risk
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=23 participants at risk
Placebo inhalation powder BID
Infections and infestations
Infective pulmonary exacerbation of cystic fibrosis
15.0%
3/20 • Number of events 3
10.0%
2/20 • Number of events 3
4.2%
1/24 • Number of events 1
13.0%
3/23 • Number of events 3
Infections and infestations
Pneumonia
0.00%
0/20
0.00%
0/20
0.00%
0/24
4.3%
1/23 • Number of events 1
Respiratory, thoracic and mediastinal disorders
Pleural effusion
0.00%
0/20
0.00%
0/20
0.00%
0/24
4.3%
1/23 • Number of events 1
Metabolism and nutrition disorders
Hyperglycemia
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23
General disorders
Pain
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23
Infections and infestations
Infective exacerbation of bronchiectasis
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23

Other adverse events

Other adverse events
Measure
AeroVanc 32 mg
n=20 participants at risk
Vancomycin hydrochloride inhalation powder 32 mg BID
Placebo to 32 mg
n=20 participants at risk
Placebo inhalation powder BID
AeroVanc 64 mg
n=24 participants at risk
Vancomycin hydrochloride inhalation powder 64 mg BID
Placebo to 64 mg
n=23 participants at risk
Placebo inhalation powder BID
Respiratory, thoracic and mediastinal disorders
Cough
45.0%
9/20 • Number of events 14
35.0%
7/20 • Number of events 12
37.5%
9/24 • Number of events 11
43.5%
10/23 • Number of events 11
Respiratory, thoracic and mediastinal disorders
Respiratory tract congestion
40.0%
8/20 • Number of events 10
20.0%
4/20 • Number of events 5
29.2%
7/24 • Number of events 7
30.4%
7/23 • Number of events 8
Respiratory, thoracic and mediastinal disorders
Sputum increased
30.0%
6/20 • Number of events 6
35.0%
7/20 • Number of events 7
25.0%
6/24 • Number of events 6
21.7%
5/23 • Number of events 6
Respiratory, thoracic and mediastinal disorders
Dyspnoea exertional
20.0%
4/20 • Number of events 4
10.0%
2/20 • Number of events 2
20.8%
5/24 • Number of events 6
13.0%
3/23 • Number of events 3
Respiratory, thoracic and mediastinal disorders
Paranasal sinus hypersecretion
30.0%
6/20 • Number of events 7
15.0%
3/20 • Number of events 3
16.7%
4/24 • Number of events 4
4.3%
1/23 • Number of events 2
Respiratory, thoracic and mediastinal disorders
Increased viscosity of bronchial secretion
5.0%
1/20 • Number of events 1
15.0%
3/20 • Number of events 3
12.5%
3/24 • Number of events 4
8.7%
2/23 • Number of events 2
Respiratory, thoracic and mediastinal disorders
Dyspnoea
15.0%
3/20 • Number of events 3
5.0%
1/20 • Number of events 1
8.3%
2/24 • Number of events 2
0.00%
0/23
Respiratory, thoracic and mediastinal disorders
Haemoptysis
5.0%
1/20 • Number of events 1
0.00%
0/20
4.2%
1/24 • Number of events 1
17.4%
4/23 • Number of events 4
General disorders
Fatigue
25.0%
5/20 • Number of events 6
20.0%
4/20 • Number of events 6
33.3%
8/24 • Number of events 8
13.0%
3/23 • Number of events 3
General disorders
Exercise tolerance decreased
25.0%
5/20 • Number of events 5
5.0%
1/20 • Number of events 1
8.3%
2/24 • Number of events 2
8.7%
2/23 • Number of events 2
General disorders
Chest discomfort
10.0%
2/20 • Number of events 2
0.00%
0/20
16.7%
4/24 • Number of events 4
0.00%
0/23
Infections and infestations
Infective pulmonary exacerbation of cystic fibrosis
15.0%
3/20 • Number of events 3
25.0%
5/20 • Number of events 5
20.8%
5/24 • Number of events 5
8.7%
2/23 • Number of events 2
Investigations
Forced expiratory volume decreased
20.0%
4/20 • Number of events 4
10.0%
2/20 • Number of events 2
12.5%
3/24 • Number of events 3
4.3%
1/23 • Number of events 1
Investigations
Weight decreased
20.0%
4/20 • Number of events 6
5.0%
1/20 • Number of events 1
8.3%
2/24 • Number of events 2
4.3%
1/23 • Number of events 1
Nervous system disorders
Sinus headache
20.0%
4/20 • Number of events 4
5.0%
1/20 • Number of events 1
8.3%
2/24 • Number of events 3
13.0%
3/23 • Number of events 3
Metabolism and nutrition disorders
Decreased appetite
0.00%
0/20
10.0%
2/20 • Number of events 2
12.5%
3/24 • Number of events 3
17.4%
4/23 • Number of events 4
Gastrointestinal disorders
Diarrhoea
0.00%
0/20
0.00%
0/20
12.5%
3/24 • Number of events 3
0.00%
0/23
Respiratory, thoracic and mediastinal disorders
Sputum discoloured
0.00%
0/20
5.0%
1/20 • Number of events 1
8.3%
2/24 • Number of events 2
4.3%
1/23 • Number of events 1
Respiratory, thoracic and mediastinal disorders
Wheezing
5.0%
1/20 • Number of events 1
10.0%
2/20 • Number of events 2
4.2%
1/24 • Number of events 1
0.00%
0/23
Respiratory, thoracic and mediastinal disorders
Bronchospasm
0.00%
0/20
0.00%
0/20
8.3%
2/24 • Number of events 2
0.00%
0/23
Respiratory, thoracic and mediastinal disorders
Oropharyngeal pain
10.0%
2/20 • Number of events 2
0.00%
0/20
0.00%
0/24
0.00%
0/23
Respiratory, thoracic and mediastinal disorders
Rales
5.0%
1/20 • Number of events 1
5.0%
1/20 • Number of events 1
0.00%
0/24
0.00%
0/23
Respiratory, thoracic and mediastinal disorders
Rhinorrhoea
0.00%
0/20
5.0%
1/20 • Number of events 1
0.00%
0/24
4.3%
1/23 • Number of events 1
Respiratory, thoracic and mediastinal disorders
Rhinitis allergic
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23
Respiratory, thoracic and mediastinal disorders
Throat tightness
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23
General disorders
Malaise
0.00%
0/20
5.0%
1/20 • Number of events 1
0.00%
0/24
0.00%
0/23
General disorders
Pain
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23
General disorders
Product taste abnormal
0.00%
0/20
5.0%
1/20 • Number of events 1
0.00%
0/24
0.00%
0/23
Infections and infestations
Nasopharyngitis
0.00%
0/20
5.0%
1/20 • Number of events 1
0.00%
0/24
4.3%
1/23 • Number of events 1
Infections and infestations
Upper respiratory tract infection
0.00%
0/20
5.0%
1/20 • Number of events 1
0.00%
0/24
0.00%
0/23
Infections and infestations
Vulvovaginal mycotic infection
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23
Investigations
Blood potassium increased
0.00%
0/20
5.0%
1/20 • Number of events 1
0.00%
0/24
0.00%
0/23
Investigations
Peak expiratory flow rate decreased
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23
Investigations
Pulmonary function test decreased
0.00%
0/20
5.0%
1/20 • Number of events 1
0.00%
0/24
0.00%
0/23
Nervous system disorders
Dysgeusia
10.0%
2/20 • Number of events 2
0.00%
0/20
0.00%
0/24
0.00%
0/23
Nervous system disorders
Headache
5.0%
1/20 • Number of events 1
5.0%
1/20 • Number of events 1
0.00%
0/24
0.00%
0/23
Nervous system disorders
Lethargy
0.00%
0/20
5.0%
1/20 • Number of events 1
0.00%
0/24
0.00%
0/23
Gastrointestinal disorders
Abdominal pain upper
0.00%
0/20
5.0%
1/20 • Number of events 1
0.00%
0/24
0.00%
0/23
Gastrointestinal disorders
Constipation
0.00%
0/20
5.0%
1/20 • Number of events 1
0.00%
0/24
0.00%
0/23
Skin and subcutaneous tissue disorders
Pruritus
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23
Musculoskeletal and connective tissue disorders
Jaw cyst
0.00%
0/20
5.0%
1/20 • Number of events 1
0.00%
0/24
0.00%
0/23
Injury, poisoning and procedural complications
Muscle strain
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23
Renal and urinary disorders
Dysuria
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23
Renal and urinary disorders
Hematuria
5.0%
1/20 • Number of events 1
0.00%
0/20
0.00%
0/24
0.00%
0/23

Additional Information

Head of Clinical Development

Savara Inc.

Phone: +45 7930 1414

Results disclosure agreements

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