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Ciprofloxacin Dry Powder for Inhalation (DPI) in Non-cystic Fibrosis Bronchiectasis (Non-CF BE)

Randomized, Double-blind, Placebo-controlled, Multicenter Study Comparing Ciprofloxacin DPI 32.5 mg BID (Twice a Day) Intermittently Administered for 28 Days on / 28 Days Off or 14 Days on / 14 Days Off Versus Placebo to Evaluate the Time to First Pulmonary Exacerbation and Frequency of Exacerbations in Subjects With Non-Cystic Fibrosis Bronchiectasis.

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02106832
Acronym
RESPIRE 2
Enrollment
521
Registered
2014-04-08
Start date
2014-04-30
Completion date
2016-10-19
Last updated
2017-10-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Bronchiectasis

Keywords

Ciprofloxacin, Dry Powder for Inhalation, Exacerbation, Bronchiectasis

Brief summary

The purpose of this study is to evaluate if the time to first pulmonary exacerbation of bronchiectasis or its frequency can be prolonged by inhalation of ciprofloxacin for 28 days every other 28 days or for 14 days every other 14 days over 48 weeks.

Detailed description

Number of participants with Adverse events will be covered in Adverse Events section.

Interventions

DRUGCiprofloxacin (BAYQ3939) dry powder for inhalation

Ciprofloxacin dry powder for inhalation (DPI) 32.5 mg inhaled twice daily in cycles of 28 days on-treatment and 28 days off-treatment.

DRUGPlacebo

Matching placebo inhaled twice daily intermittently for 28 days on / 28 days off

Sponsors

Novartis
CollaboratorINDUSTRY
Bayer
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patients with a proven and documented diagnosis of non CF idiopathic or post infectious bronchiectasis * Stable pulmonary status and stable regimen of standard treatment at least for the past 4 weeks

Exclusion criteria

* Forced expiratory volume in 1 second (FEV1) \<30% or \>90% predicted * Active allergic bronchopulmonary aspergillosis * Active and actively treated non tuberculosis mycobacterial (NTM) infection or tuberculosis * Primary diagnosis of Chronic obstructive pulmonary disease (COPD)

Design outcomes

Primary

MeasureTime frameDescription
Time to First Exacerbation Event Within 48 Weeks - Cipro 28 vs. Pooled PlaceboUp to Week 48Time to first exacerbation was defined as the time from randomization until the visit at which the first qualifying exacerbation is recorded by the investigator. Exacerbation events are defined as exacerbations with systemic antibiotic use and presence of fever or malaise / fatigue and worsening of at least three signs/symptoms.
Time to First Exacerbation Event Within 48 Weeks - Cipro 14 vs. Pooled PlaceboUp to Week 48Time to first exacerbation was defined as the time from randomization until the visit at which the first qualifying exacerbation is recorded by the investigator. Exacerbation events are defined as exacerbations with systemic antibiotic use and presence of fever or malaise / fatigue and worsening of at least three signs/symptoms.

Secondary

MeasureTime frameDescription
Percentage of Participants With Pathogen Eradication at End of Treatment (Week 44/46)End of treatment (Week 44/46)Pathogen eradication was defined as a negative culture result for all pre-specified pathogens at end of treatment (week 44 or 46 depending on treatment regimen) that were present in the participant at baseline. There was no imputation for participants who discontinued the study prematurely.
Mean Change From Baseline in Patient Reported Outcome Saint George's Respiratory Questionnaire (SGRQ) Symptoms Component Score at End of Treatment (Week 44/46)Baseline and end of treatment (Week 44/46)The SGRQ was a validated, disease-specific instrument that measures health-related quality of life (HRQoL) in adults with chronic obstructive pulmonary disease (COPD) and asthma and was later validated for use in bronchiectasis. The SGRQ covers 3 dimensions: symptoms, activity and impact on daily life. To determine the outcome, a score ranging from 1 to 100 was calculated for each individual domain and for the total score, and smaller scores indicate better health status. For this outcome measure, the symptoms component score was reported.
Number of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksUp to Week 48For this outcome measure, exacerbation events were defined as exacerbations with systemic antibiotic use and presence of fever or malaise / fatigue and worsening of at least three signs/symptoms over 48 weeks.
Mean Change From Baseline in Patient Reported Outcome Quality of Life Questionnaire for Bronchiectasis (QoL-B) Respiratory Symptoms Domain Score at End of Treatment (Week 44/46)Baseline and end of treatment (Week 44/46)The QoL-B was a disease-specific questionnaire developed for non-Cystic fibrosis Bronchiectasis. It covers 8 dimensions: physical functioning, role functioning, emotional functioning, social functioning, vitality, treatment burden, health perceptions, and respiratory symptoms. Each dimension was scored separately on a scale of 0 to 100, and higher scores represent better outcomes. For this outcome measure, the respiratory symptoms domain score was reported.
Mean Change From Baseline in Forced Expiratory Volume in One Second (FEV1) at End of Treatment (Week 44/46)Baseline and end of treatment (Week 44/46)FEV1 was defined as the maximal volume of air exhaled in the first second of a forced expiration from a position of full inspiration, expressed in liters at body temperature and ambient pressure saturated with water vapor (BTPS).
Percentage of Participants With Occurrence of New Pathogens Present at End of Treatment (Week 44/46)End of treatment (Week 44/46)New pathogens were any of the pre-specified organisms not cultured before start of study medication. There was no imputation for participants who discontinued the study prematurely.
Number of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksUp to Week 48For this outcome measure, exacerbation events were defined as exacerbations with systemic antibiotic use and worsening of at least one sign/symptom over 48 weeks.

Countries

Argentina, Australia, Austria, Brazil, Bulgaria, China, Czechia, Germany, Hong Kong, Latvia, Lithuania, Netherlands, Philippines, Poland, Portugal, Romania, Russia, Serbia, Slovakia, South Africa, South Korea, Taiwan, Thailand, Turkey (Türkiye), United States

Participant flow

Recruitment details

Study was conducted at 164 study centers in 25 countries between 30 April 2014 (first subject first visit) and 19 October 2016 (last subject last visit).

Pre-assignment details

A total of 1123 subjects were screened and 521 subjects were randomized. The randomized subjects were allocated to treatment groups, and 2 subjects in the Cipro 14 group did not receive study medication.

Participants by arm

ArmCount
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)
Subjects received ciprofloxacin (BAYQ3939) 32.5 milligram (mg) corresponding to 50 mg dry powder for inhalation (DPI) administered twice daily (BID) (every 12 hours); a treatment cycle consisted of a 28-day on-treatment phase followed by a 28-day off-treatment phase (48 weeks treatment phase = 6 active cycles).
171
Ciprofloxacin DPI 14 Days on/Off (Cipro 14)
Subjects received ciprofloxacin 32.5 mg corresponding to 50 mg DPI administered BID (every 12 hours); a treatment cycle consisted of a 14-day on-treatment phase followed by a 14-day off-treatment phase (48 weeks treatment phase = 12 active cycles).
176
Placebo 28 Days on/Off (Placebo 28)
Subjects received placebo matched to ciprofloxacin 32.5 mg powder (containing 40 mg dry powder) administered BID (every 12 hours); a treatment cycle consisted of a 28-day on-treatment phase followed by a 28-day off-treatment phase (48 weeks treatment phase = 6 cycles).
86
Placebo 14 Days on/Off (Placebo 14)
Subjects received placebo matched to ciprofloxacin 32.5 mg powder (containing 40 mg dry powder) administered BID (every 12 hours); a treatment cycle consisted of a 14-day on-treatment phase followed by a 14-day off-treatment phase (48 weeks treatment phase = 12 cycles).
88
Total521

Withdrawals & dropouts

PeriodReasonFG000FG001FG002FG003
Overall StudyAdverse Event1230
Overall StudyDeath4414
Overall StudyDeterioration of general conditions0010
Overall StudyLost to Follow-up0113
Overall StudyPhysician Decision1000
Overall StudyProtocol Violation0001
Overall StudyTechnical problems0100
Overall StudyWithdrawal by Subject1717107

Baseline characteristics

CharacteristicCiprofloxacin DPI 28 Days on/Off (Cipro 28)Ciprofloxacin DPI 14 Days on/Off (Cipro 14)Placebo 28 Days on/Off (Placebo 28)Placebo 14 Days on/Off (Placebo 14)Total
Age, Continuous59.3 Years
STANDARD_DEVIATION 14.2
60.4 Years
STANDARD_DEVIATION 13.7
60.6 Years
STANDARD_DEVIATION 13.7
60.4 Years
STANDARD_DEVIATION 15
60.1 Years
STANDARD_DEVIATION 14
Forced Expiratory Volume in One Second (FEV1)1.569 Liter
STANDARD_DEVIATION 0.602
1.519 Liter
STANDARD_DEVIATION 0.617
1.560 Liter
STANDARD_DEVIATION 0.692
1.477 Liter
STANDARD_DEVIATION 0.558
1.535 Liter
STANDARD_DEVIATION 0.615
Quality of Life Questionnaire for Bronchiectasis (QoL-B) Respiratory Symptoms Domain Score50.14 Score on a scale
STANDARD_DEVIATION 19.07
52.17 Score on a scale
STANDARD_DEVIATION 18.49
53.95 Score on a scale
STANDARD_DEVIATION 16
48.67 Score on a scale
STANDARD_DEVIATION 17.72
51.22 Score on a scale
STANDARD_DEVIATION 18.16
Saint George's Respiratory Questionnaire (SGRQ) Symptoms Component Score60.75 Score on a scale
STANDARD_DEVIATION 20.61
61.26 Score on a scale
STANDARD_DEVIATION 19.54
58.56 Score on a scale
STANDARD_DEVIATION 19.17
63.47 Score on a scale
STANDARD_DEVIATION 19.48
61.00 Score on a scale
STANDARD_DEVIATION 19.82
Sex: Female, Male
Female
92 Participants96 Participants52 Participants62 Participants302 Participants
Sex: Female, Male
Male
79 Participants80 Participants34 Participants26 Participants219 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
— / —— / —— / —
other
Total, other adverse events
51 / 17160 / 17455 / 174
serious
Total, serious adverse events
28 / 17145 / 17441 / 174

Outcome results

Primary

Time to First Exacerbation Event Within 48 Weeks - Cipro 14 vs. Pooled Placebo

Time to first exacerbation was defined as the time from randomization until the visit at which the first qualifying exacerbation is recorded by the investigator. Exacerbation events are defined as exacerbations with systemic antibiotic use and presence of fever or malaise / fatigue and worsening of at least three signs/symptoms.

Time frame: Up to Week 48

Population: Full analysis set (FAS) included participants who were randomized.

ArmMeasureValue (MEDIAN)
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Time to First Exacerbation Event Within 48 Weeks - Cipro 14 vs. Pooled PlaceboNA Days
Pooled PlaceboTime to First Exacerbation Event Within 48 Weeks - Cipro 14 vs. Pooled PlaceboNA Days
Comparison: The hazard ratio for time to first exacerbation event within 48 weeks and 95.1% Confidence Interval (CI) was calculated by using Cox proportional hazards model by comparison of Cipro 28/Pooled Placebo reporting groups. P-value was analysed using Wald-type test.p-value: 0.396595.1% CI: [0.6206, 1.209]Wald-type test
Primary

Time to First Exacerbation Event Within 48 Weeks - Cipro 28 vs. Pooled Placebo

Time to first exacerbation was defined as the time from randomization until the visit at which the first qualifying exacerbation is recorded by the investigator. Exacerbation events are defined as exacerbations with systemic antibiotic use and presence of fever or malaise / fatigue and worsening of at least three signs/symptoms.

Time frame: Up to Week 48

Population: Full analysis set (FAS) included participants who were randomized.

ArmMeasureValue (MEDIAN)
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Time to First Exacerbation Event Within 48 Weeks - Cipro 28 vs. Pooled PlaceboNA Days
Pooled PlaceboTime to First Exacerbation Event Within 48 Weeks - Cipro 28 vs. Pooled PlaceboNA Days
Comparison: The hazard ratio for time to first exacerbation event within 48 weeks and 99.9% Confidence Interval (CI) was calculated by using Cox proportional hazards model by comparison of Cipro 28/Pooled Placebo reporting groups. P-value was analysed using Wald-type test.p-value: 0.051199.9% CI: [0.3928, 1.2698]Wald-type test
Secondary

Mean Change From Baseline in Forced Expiratory Volume in One Second (FEV1) at End of Treatment (Week 44/46)

FEV1 was defined as the maximal volume of air exhaled in the first second of a forced expiration from a position of full inspiration, expressed in liters at body temperature and ambient pressure saturated with water vapor (BTPS).

Time frame: Baseline and end of treatment (Week 44/46)

Population: FAS with participants evaluable for this outcome measure.

ArmMeasureValue (MEAN)Dispersion
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Mean Change From Baseline in Forced Expiratory Volume in One Second (FEV1) at End of Treatment (Week 44/46)0.038 LiterStandard Deviation 0.336
Pooled PlaceboMean Change From Baseline in Forced Expiratory Volume in One Second (FEV1) at End of Treatment (Week 44/46)-0.037 LiterStandard Deviation 0.287
Pooled PlaceboMean Change From Baseline in Forced Expiratory Volume in One Second (FEV1) at End of Treatment (Week 44/46)-0.038 LiterStandard Deviation 0.272
Placebo 14 Days on/Off (Placebo 14)Mean Change From Baseline in Forced Expiratory Volume in One Second (FEV1) at End of Treatment (Week 44/46)0.037 LiterStandard Deviation 0.299
Secondary

Mean Change From Baseline in Patient Reported Outcome Quality of Life Questionnaire for Bronchiectasis (QoL-B) Respiratory Symptoms Domain Score at End of Treatment (Week 44/46)

The QoL-B was a disease-specific questionnaire developed for non-Cystic fibrosis Bronchiectasis. It covers 8 dimensions: physical functioning, role functioning, emotional functioning, social functioning, vitality, treatment burden, health perceptions, and respiratory symptoms. Each dimension was scored separately on a scale of 0 to 100, and higher scores represent better outcomes. For this outcome measure, the respiratory symptoms domain score was reported.

Time frame: Baseline and end of treatment (Week 44/46)

Population: FAS with participants evaluable for this outcome measure.

ArmMeasureValue (MEAN)Dispersion
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Mean Change From Baseline in Patient Reported Outcome Quality of Life Questionnaire for Bronchiectasis (QoL-B) Respiratory Symptoms Domain Score at End of Treatment (Week 44/46)11.57 Score on a scaleStandard Deviation 17.49
Pooled PlaceboMean Change From Baseline in Patient Reported Outcome Quality of Life Questionnaire for Bronchiectasis (QoL-B) Respiratory Symptoms Domain Score at End of Treatment (Week 44/46)10.90 Score on a scaleStandard Deviation 18.07
Pooled PlaceboMean Change From Baseline in Patient Reported Outcome Quality of Life Questionnaire for Bronchiectasis (QoL-B) Respiratory Symptoms Domain Score at End of Treatment (Week 44/46)7.08 Score on a scaleStandard Deviation 17
Placebo 14 Days on/Off (Placebo 14)Mean Change From Baseline in Patient Reported Outcome Quality of Life Questionnaire for Bronchiectasis (QoL-B) Respiratory Symptoms Domain Score at End of Treatment (Week 44/46)10.70 Score on a scaleStandard Deviation 15.58
Secondary

Mean Change From Baseline in Patient Reported Outcome Saint George's Respiratory Questionnaire (SGRQ) Symptoms Component Score at End of Treatment (Week 44/46)

The SGRQ was a validated, disease-specific instrument that measures health-related quality of life (HRQoL) in adults with chronic obstructive pulmonary disease (COPD) and asthma and was later validated for use in bronchiectasis. The SGRQ covers 3 dimensions: symptoms, activity and impact on daily life. To determine the outcome, a score ranging from 1 to 100 was calculated for each individual domain and for the total score, and smaller scores indicate better health status. For this outcome measure, the symptoms component score was reported.

Time frame: Baseline and end of treatment (Week 44/46)

Population: FAS with participants evaluable for this outcome measure.

ArmMeasureValue (MEAN)Dispersion
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Mean Change From Baseline in Patient Reported Outcome Saint George's Respiratory Questionnaire (SGRQ) Symptoms Component Score at End of Treatment (Week 44/46)-8.92 Score on a scaleStandard Deviation 21.06
Pooled PlaceboMean Change From Baseline in Patient Reported Outcome Saint George's Respiratory Questionnaire (SGRQ) Symptoms Component Score at End of Treatment (Week 44/46)-9.02 Score on a scaleStandard Deviation 20.1
Pooled PlaceboMean Change From Baseline in Patient Reported Outcome Saint George's Respiratory Questionnaire (SGRQ) Symptoms Component Score at End of Treatment (Week 44/46)-2.91 Score on a scaleStandard Deviation 24.48
Placebo 14 Days on/Off (Placebo 14)Mean Change From Baseline in Patient Reported Outcome Saint George's Respiratory Questionnaire (SGRQ) Symptoms Component Score at End of Treatment (Week 44/46)-11.50 Score on a scaleStandard Deviation 18.54
Secondary

Number of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 Weeks

For this outcome measure, exacerbation events were defined as exacerbations with systemic antibiotic use and worsening of at least one sign/symptom over 48 weeks.

Time frame: Up to Week 48

Population: Full analysis set (FAS) included participants who were randomized.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 0102 Participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 151 Participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 214 Participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 33 Participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 41 Participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 50 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 51 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 096 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 34 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 43 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 146 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 226 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 145 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 222 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 52 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 311 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 090 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least One Sign/Symptom Over 48 WeeksNumber of exacerbations: 44 Participants
Secondary

Number of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 Weeks

For this outcome measure, exacerbation events were defined as exacerbations with systemic antibiotic use and presence of fever or malaise / fatigue and worsening of at least three signs/symptoms over 48 weeks.

Time frame: Up to Week 48

Population: Full analysis set (FAS) included participants who were randomized.

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 40 Participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 28 Participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 50 Participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 32 Participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 146 Participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Number of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 0115 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 50 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 0108 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 140 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 223 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 34 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 41 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 310 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 141 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 51 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 42 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 219 Participants
Pooled PlaceboNumber of Participants With Exacerbation Events With Worsening of at Least Three Signs/Symptoms Over 48 WeeksNumber of exacerbations: 0101 Participants
Secondary

Percentage of Participants With Occurrence of New Pathogens Present at End of Treatment (Week 44/46)

New pathogens were any of the pre-specified organisms not cultured before start of study medication. There was no imputation for participants who discontinued the study prematurely.

Time frame: End of treatment (Week 44/46)

Population: Full analysis set (FAS) included participants who were randomized.

ArmMeasureGroupValue (NUMBER)
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Percentage of Participants With Occurrence of New Pathogens Present at End of Treatment (Week 44/46)No62.6 Percentage of participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Percentage of Participants With Occurrence of New Pathogens Present at End of Treatment (Week 44/46)Yes4.1 Percentage of participants
Pooled PlaceboPercentage of Participants With Occurrence of New Pathogens Present at End of Treatment (Week 44/46)No67.6 Percentage of participants
Pooled PlaceboPercentage of Participants With Occurrence of New Pathogens Present at End of Treatment (Week 44/46)Yes4.0 Percentage of participants
Pooled PlaceboPercentage of Participants With Occurrence of New Pathogens Present at End of Treatment (Week 44/46)No61.5 Percentage of participants
Pooled PlaceboPercentage of Participants With Occurrence of New Pathogens Present at End of Treatment (Week 44/46)Yes10.3 Percentage of participants
Secondary

Percentage of Participants With Pathogen Eradication at End of Treatment (Week 44/46)

Pathogen eradication was defined as a negative culture result for all pre-specified pathogens at end of treatment (week 44 or 46 depending on treatment regimen) that were present in the participant at baseline. There was no imputation for participants who discontinued the study prematurely.

Time frame: End of treatment (Week 44/46)

Population: Full analysis set (FAS) included participants who were randomized.

ArmMeasureGroupValue (NUMBER)
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Percentage of Participants With Pathogen Eradication at End of Treatment (Week 44/46)No35.1 Percentage of participants
Ciprofloxacin DPI 28 Days on/Off (Cipro 28)Percentage of Participants With Pathogen Eradication at End of Treatment (Week 44/46)Yes31.6 Percentage of participants
Pooled PlaceboPercentage of Participants With Pathogen Eradication at End of Treatment (Week 44/46)No35.8 Percentage of participants
Pooled PlaceboPercentage of Participants With Pathogen Eradication at End of Treatment (Week 44/46)Yes35.8 Percentage of participants
Pooled PlaceboPercentage of Participants With Pathogen Eradication at End of Treatment (Week 44/46)No40.2 Percentage of participants
Pooled PlaceboPercentage of Participants With Pathogen Eradication at End of Treatment (Week 44/46)Yes31.6 Percentage of participants

Source: ClinicalTrials.gov · Data processed: Feb 26, 2026