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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT05327803
Registration number
NCT05327803
Ethics application status
Date submitted
24/03/2022
Date registered
14/04/2022
Date last updated
23/08/2024
Titles & IDs
Public title
Study of Epetraborole in Patients With Treatment-refractory MAC Lung Disease
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Scientific title
A Phase 2/3, Randomized, Double-blind, Placebo-controlled, Multicenter, Prospective Study to Assess the Efficacy, Safety, and Pharmacokinetics of Orally Administered Epetraborole in Patients With Treatment-refractory Mycobacterium Avium Complex Lung Disease
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Secondary ID [1]
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EBO-301
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
MAC Lung Disease
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Treatment Refractory MAC Lung Disease
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Condition category
Condition code
Infection
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Other infectious diseases
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Drugs - Epetraborole
Treatment: Drugs - Placebo
Experimental: epetraborole + OBR - epetraborole + Optimized Background Regimen
Placebo comparator: placebo + OBR - Placebo + Optimized Background Regimen
Treatment: Drugs: Epetraborole
500 mg taken orally QD
Treatment: Drugs: Placebo
Placebo taken orally QD
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Intervention code [1]
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Treatment: Drugs
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Phase 2: Assessment of novel Patient Reported Outcome instrument psychometric properties
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Assessment method [1]
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Assessment of novel Patient Report outcomes
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Timepoint [1]
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Screening (Day -14 to Day -7) to Month 6 + 1 week
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Primary outcome [2]
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Phase 2: Percentage of Participants Achieving Clinical Response
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Assessment method [2]
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Detection of within-patient changes in symptoms reported in a novel Patient-Reported Outcome (PRO) instrument at Month 3 and Month 6.
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Timepoint [2]
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Baseline to Month 6
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Primary outcome [3]
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Phase 2: Adverse Event Profile of 500 mg Once Daily Dose of Epetraborole
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Assessment method [3]
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Percentage of Participants reporting treatment emergent adverse events
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Timepoint [3]
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Baseline to Month 16
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Primary outcome [4]
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Phase 3: Percentage of Participants Achieving Clinical Response
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Assessment method [4]
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Detection of within-patient changes in symptoms reported in a novel Patient-Reported Outcome (PRO) instrument at Month 6
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Timepoint [4]
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Baseline to Month 6
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Secondary outcome [1]
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Phase 2: Percentage of Participants Achieving Culture Conversion
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Assessment method [1]
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Sputum conversion will be assessed using culture conversion based on 3 consecutive monthly negative sputum cultures for MAC by Month 6.
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Timepoint [1]
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Baseline to Month 6
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Secondary outcome [2]
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Phase 2: Percentage of Participants Achieving Microbiological Improvement
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Assessment method [2]
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Microbiological improvement will be assessed at Month 3 and Month 6 using decrease in MAC colony counts of =1 category.
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Timepoint [2]
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Baseline to Month 6
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Secondary outcome [3]
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Phase 2: Change from Baseline in QOL-B Respiratory Domain PRO
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Assessment method [3]
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Mean change from baseline in Quality of Life - Bronchiectasis (QOL-B) respiratory domain score measured monthly through Month 6.
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Timepoint [3]
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Baseline to Month 6
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Secondary outcome [4]
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Phase 2: Change from Baseline in NTM Symptoms Module PRO
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Assessment method [4]
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Mean change from baseline in NTM Symptoms Module score measured monthly through Month 6.
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Timepoint [4]
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Baseline to Month 6
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Secondary outcome [5]
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Phase 2: Change from Baseline in SGRQ-C PRO
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Assessment method [5]
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Mean change from baseline in total Saint George's Respiratory Questionnaire for COPD Patients (SGRQ-C) score measured monthly through Month 6
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Timepoint [5]
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Baseline to Month 6
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Secondary outcome [6]
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Phase 2: Concordance Analysis of PRO-based Clinical Response and Microbiological Response
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Assessment method [6]
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Concordance between clinical response in a novel Patient-Reported Outcome (PRO) instrument and microbiological response will be assessed at Months 3 and 6. Microbiological response will be assessed using both sputum culture conversion and microbiological improvement.
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Timepoint [6]
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Baseline to Month 6
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Secondary outcome [7]
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Phase 2: Percentage of Participants with Reinfection
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Assessment method [7]
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By-subject reinfection will be assessed at Month 6, End of Therapy, and Late Follow-up. Reinfection is defined as a new pulmonary MAC infection caused by pathogen\[s\] different from the baseline MAC isolate.
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Timepoint [7]
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Baseline to Month 16
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Secondary outcome [8]
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Phase 2: Percentage of Participants with Relapse
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Assessment method [8]
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By-subject relapse will be assessed at Month 6, End of Therapy, and Late Follow-up. Relapse is defined as a pulmonary MAC infection caused by the same baseline MAC isolate after initial culture conversion.
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Timepoint [8]
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Baseline to Month 16
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Secondary outcome [9]
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Phase 2: Maximum plasma concentration (Cmax) of epetraborole
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Assessment method [9]
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Cmax is the maximum plasma concentration of epetraborole estimated by population PK model.
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Timepoint [9]
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Day 1 and Day 29
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Secondary outcome [10]
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14. Phase 2: Area Under the Plasma Concentration-Time Curve from Time Point 0 Hours Until 24 hours [AUC(0-24)] post dose
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Assessment method [10]
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AUC(0-24) is defined as area under the plasma concentration-time curve of epetraborole from timepoint 0 hours until 24 hours post dose estimated by population PK model.
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Timepoint [10]
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Day 29
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Secondary outcome [11]
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Phase 2: Volume of distribution (Vd) of epetraborole
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Assessment method [11]
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Vd is the apparent volume of distribution of epetraborole estimated by population PK model.
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Timepoint [11]
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Day 29
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Secondary outcome [12]
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Phase 3: Percentage of Participants Achieving Culture Conversion
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Assessment method [12]
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Sputum conversion will be assessed using culture conversion based on 3 consecutive monthly negative sputum cultures for MAC by Month 6.
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Timepoint [12]
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Baseline to Month 6
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Secondary outcome [13]
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Phase 3: Percentage of Participants Achieving Microbiological Improvement
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Assessment method [13]
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Microbiological improvement will be assessed at Month 3 and Month 6 using decrease in MAC colony counts of =1 category.
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Timepoint [13]
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Baseline to Month 6
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Secondary outcome [14]
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Phase 3: Change from Baseline in QOL-B Respiratory Domain PRO
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Assessment method [14]
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Mean change from baseline in Quality of Life - Bronchiectasis (QOL-B) respiratory domain score measured monthly through Month 6.
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Timepoint [14]
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Baseline to Month 6
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Secondary outcome [15]
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Phase 3: Change from Baseline in NTM Symptoms Module PRO
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Assessment method [15]
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Mean change from baseline in NTM Symptoms Module score measured monthly through Month 6.
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Timepoint [15]
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Baseline to Month 6
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Secondary outcome [16]
0
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Phase 3: Change from Baseline in SGRQ-C PRO
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Assessment method [16]
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Mean change from baseline in total Saint George's Respiratory Questionnaire for COPD Patients (SGRQ-C) score measured monthly through Month 6.
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Timepoint [16]
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Baseline to Month 6
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Secondary outcome [17]
0
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Phase 3: Concordance Analysis of PRO-based Clinical Response and Microbiological Response
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Assessment method [17]
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Concordance between clinical response in a novel Patient-Reported Outcome (PRO) instrument and microbiological response will be assessed at Months 3 and 6. Microbiological response will be assessed using both sputum culture conversion and microbiological improvement
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Timepoint [17]
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Baseline to Month 6
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Secondary outcome [18]
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Phase 3: Percentage of Participants with Reinfection
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Assessment method [18]
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By-subject reinfection will be assessed at Month 6, End of Therapy, and Late Follow-up. Reinfection is defined as a new pulmonary MAC infection caused by pathogen\[s\] different from the baseline MAC isolate.
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Timepoint [18]
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Baseline to Month 16
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Secondary outcome [19]
0
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Phase 3: Percentage of Participants with Relapse
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Assessment method [19]
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By-subject relapse will be assessed at Month 6, End of Therapy, and Late Follow-up. Relapse is defined as a pulmonary MAC infection caused by the same baseline MAC isolate after initial culture conversion.
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Timepoint [19]
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Month 6, End of Therapy and Late Follow-up
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Secondary outcome [20]
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Phase 3: Adverse Event Profile of 500 mg Once Daily Dose of Epetraborole
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Assessment method [20]
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Percentage of Participants reporting treatment emergent adverse events.
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Timepoint [20]
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Baseline to Month 16
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Secondary outcome [21]
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Phase 3: Maximum plasma concentration (Cmax) of epetraborole
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Assessment method [21]
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Cmax is the maximum plasma concentration of epetraborole estimated by population PK model.
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Timepoint [21]
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Day 1 and Day 29
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Secondary outcome [22]
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Phase 3: Area Under the Plasma Concentration-Time Curve from Time Point 0 Hours Until 24 hours [AUC(0-24)] post dose
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Assessment method [22]
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AUC(0-24) is defined as area under the plasma concentration-time curve of epetraborole from timepoint 0 hours until 24 hours post dose estimated by population PK model.
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Timepoint [22]
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Day 29
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Secondary outcome [23]
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Phase 3: Volume of distribution (Vd) of epetraborole
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Assessment method [23]
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Vd is the apparent volume of distribution of epetraborole estimated by population PK model.
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Timepoint [23]
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Day 29
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Eligibility
Key inclusion criteria
1. Male or female patients who are 18 years of age or older.
2. Willing and able to provide written informed consent.
3. Patients with a diagnosis of treatment-refractory MAC lung disease consisting of all of the following (a) Microbiological, (b) Clinical, and (c) Radiographic criteria:
1. Microbiological criteria:
* One Pre-Study MAC-positive respiratory specimen. Documentation of a MAC positive specimen collected per standard of care within 6 months prior to signing the informed consent form (ICF).
* One Screening MAC-positive expectorated or induced sputum sample.
2. Clinical criteria: At least 2 of the following patient-reported clinical symptoms:
* Cough with sputum production
* Cough without sputum
* Chest congestion
* Hemoptysis
* Dyspnea
* Fatigue
* Night sweats or unusual sweating
3. Radiographic criteria: Non contrast Chest CT scan within 6 months prior to signing the ICF with abnormalities consistent with MAC lung disease.
4. OBR criteria: An OBR is a combination regimen that consists of =2 antimycobacterial agents. The patient-specific OBR must be administered for a minimum duration of 6 consecutive months that is either ongoing at the time of Screening or was stopped or paused no more than 12 months before screening. The OBR regimen administered during Screening must be continued after randomization.
4. Patients who are willing to comply with all the study activities and procedures throughout the duration of the study and comply with all planned study visits and study procedures from Screening through the LFU Visit.
5. All patients must agree to use an effective method of birth control.
6. Patients expected to survive with continued antimycobacterial therapy and appropriate supportive care from Screening through the LFU Visit, in the judgment of the Investigator.
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Minimum age
18
Years
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
1. Patients with a presence of any suspected or confirmed disease or condition at Screening or the time of randomization that, in the opinion of the Investigator, may confound the assessment of symptom-based clinical response.
2. Patients with active pulmonary malignancy or any malignancy that required or would require chemotherapy or radiation therapy within 1 year prior to randomization through the LFU Visit.
3. Patients with creatinine clearance (CrCl) of =30 mL/min, as estimated by the Cockcroft Gault formula, at Screening.
4. Patients with hemoglobin <10.0 g/dL or <6.2 mmol/L at Screening; donation of blood or plasma within 28 days prior to randomization; or symptomatic loss of blood or hemorrhage within 28 days prior to randomization.
5. Patients with severe hemoptysis within 28 days prior to randomization, defined as >100 mL over any 24-hour period or severe or extremely severe hemoptysis.
6. Patients with severe hepatic impairment, as evidenced by alanine aminotransferase (ALT) or aspartate aminotransferase (AST) >3 × upper limit of normal (ULN) or total bilirubin >2 × ULN, or clinical signs of cirrhosis or end-stage hepatic disease.
7. Patients who are pregnant or breastfeeding.
8. Patients with a mean QT interval corrected using Fridericia's formula (QTcF) >480 msec based on triplicate 12-lead ECGs at Screening.
9. Patients with an immunodeficiency or an immunocompromised condition and risk for an opportunistic pulmonary infection.
10. Patients with an anticipated start of new non-study antimycobacterial therapy to be administered at any time between Screening and Month 6.
11. Patients who have received any investigational medication during the 30 days or 5 half-lives, whichever is longer, prior to randomization.
12. Patients with any prior exposure to epetraborole.
13. Patients with any condition that, in the opinion of the Investigator, interferes with the ability to safely complete the study or adhere to study requirements, including the patient's inability or unwillingness to comply with all study assessments and visits.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 2
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Active, not recruiting
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
20/05/2022
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
1/12/2024
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Actual
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Sample size
Target
314
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
NSW,QLD,WA
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Recruitment hospital [1]
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501005 - Concord
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Recruitment hospital [2]
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501007 - Birtinya
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Recruitment hospital [3]
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501003 - Chermside West
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Recruitment hospital [4]
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501001 - Greenslopes
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501008 - Perth
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Recruitment hospital [6]
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501004 - Clayton
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Recruitment hospital [7]
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501002 - South Brisbane
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Recruitment postcode(s) [1]
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2139 - Concord
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Recruitment postcode(s) [2]
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4575 - Birtinya
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Recruitment postcode(s) [3]
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4032 - Chermside West
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Recruitment postcode(s) [4]
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- Greenslopes
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Recruitment postcode(s) [5]
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6000 - Perth
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Recruitment postcode(s) [6]
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3168 - Clayton
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Recruitment postcode(s) [7]
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4101 - South Brisbane
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Recruitment outside Australia
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United States of America
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Alabama
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Yokohama
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Korea, Republic of
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Gwangju
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Incheon
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Seoul
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
AN2 Therapeutics, Inc
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Address
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Ethics approval
Ethics application status
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Summary
Brief summary
This is a pivotal Phase 2/3, double-blind, placebo-controlled study of epetraborole + OBR (Optimized Background Regimen) versus placebo + OBR in patients with treatment-refractory MAC lung disease. This study will enroll adult patients with treatment-refractory MAC lung disease who meet all eligibility criteria (including clinical, radiographic, and microbiological criteria).
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Trial website
https://clinicaltrials.gov/study/NCT05327803
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT05327803
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