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Last Updated: March 26, 2026

CLINICAL TRIALS PROFILE FOR BRENSOCATIB


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All Clinical Trials for brensocatib

Trial ID Title Status Sponsor Phase Start Date Summary
NCT04594369 ↗ A Study to Assess the Efficacy, Safety, and Tolerability of Brensocatib in Participants With Non-Cystic Fibrosis Bronchiectasis Recruiting Insmed Incorporated Phase 3 2020-12-01 The primary objective of this study is to evaluate the effect of brensocatib at 10 mg and 25 mg compared with placebo on the rate of pulmonary exacerbations (PEs) over the 52-week treatment period.
NCT04817332 ↗ STOP-COVID19: Superiority Trial Of Protease Inhibition in COVID-19 Completed Insmed Incorporated Phase 3 2020-06-05 COVID-19 is a respiratory disease caused by a novel coronavirus (SARS-CoV-2) and causes substantial morbidity and mortality. There is currently no vaccine to prevent infection with SARS-CoV-2 and no therapeutic agent to treat COVID-19. This clinical trial is designed to evaluate the potential of Brensocatib (INS1007) as a novel host directed therapy for the treatment of adult patients hospitalized with COVID-19. The investigators hypothesise that Brensocatib, by blocking damaging neutrophil proteases, will reduce the incidence of acute lung injury and acute respiratory distress syndrome (ARDS) in patients with COVID-19, thereby resulting in improved clinical outcomes at day 15 and day 29, fewer days dependent on oxygen or mechanical ventilation, and shorter length of hospital stay. High rates of patients requiring mechanical ventilation and overwhelming intensive care unit capacity has been the major issue contributing to excess deaths in Italy and Spain during the pandemic and is likely to be a major issue in other countries such as the United Kingdom in the coming weeks. Treatments that could prevent the requirement for mechanical ventilation or shorten the duration of ICU stay by reducing the severity of ARDS are therefore the number 1 target for COVID19 therapy. The investigators recently conducted a large phase 2 study of Brensocatib in patients with bronchiectasis designed to test if treatment with Brensocatib could reduce infective exacerbations and reduce neutrophil elastase activity in the lung in bronchiectasis patients. The study met its primary endpoint of time to first exacerbation and key secondary endpoint of the frequency of exacerbations as well as showing marked reductions in neutrophil elastase concentrations in sputum. Participants will be randomised to receive Brensocatib or placebo 25mg orally once daily for 28 days.
NCT04817332 ↗ STOP-COVID19: Superiority Trial Of Protease Inhibition in COVID-19 Completed NHS Tayside Phase 3 2020-06-05 COVID-19 is a respiratory disease caused by a novel coronavirus (SARS-CoV-2) and causes substantial morbidity and mortality. There is currently no vaccine to prevent infection with SARS-CoV-2 and no therapeutic agent to treat COVID-19. This clinical trial is designed to evaluate the potential of Brensocatib (INS1007) as a novel host directed therapy for the treatment of adult patients hospitalized with COVID-19. The investigators hypothesise that Brensocatib, by blocking damaging neutrophil proteases, will reduce the incidence of acute lung injury and acute respiratory distress syndrome (ARDS) in patients with COVID-19, thereby resulting in improved clinical outcomes at day 15 and day 29, fewer days dependent on oxygen or mechanical ventilation, and shorter length of hospital stay. High rates of patients requiring mechanical ventilation and overwhelming intensive care unit capacity has been the major issue contributing to excess deaths in Italy and Spain during the pandemic and is likely to be a major issue in other countries such as the United Kingdom in the coming weeks. Treatments that could prevent the requirement for mechanical ventilation or shorten the duration of ICU stay by reducing the severity of ARDS are therefore the number 1 target for COVID19 therapy. The investigators recently conducted a large phase 2 study of Brensocatib in patients with bronchiectasis designed to test if treatment with Brensocatib could reduce infective exacerbations and reduce neutrophil elastase activity in the lung in bronchiectasis patients. The study met its primary endpoint of time to first exacerbation and key secondary endpoint of the frequency of exacerbations as well as showing marked reductions in neutrophil elastase concentrations in sputum. Participants will be randomised to receive Brensocatib or placebo 25mg orally once daily for 28 days.
NCT04817332 ↗ STOP-COVID19: Superiority Trial Of Protease Inhibition in COVID-19 Completed University of Dundee Phase 3 2020-06-05 COVID-19 is a respiratory disease caused by a novel coronavirus (SARS-CoV-2) and causes substantial morbidity and mortality. There is currently no vaccine to prevent infection with SARS-CoV-2 and no therapeutic agent to treat COVID-19. This clinical trial is designed to evaluate the potential of Brensocatib (INS1007) as a novel host directed therapy for the treatment of adult patients hospitalized with COVID-19. The investigators hypothesise that Brensocatib, by blocking damaging neutrophil proteases, will reduce the incidence of acute lung injury and acute respiratory distress syndrome (ARDS) in patients with COVID-19, thereby resulting in improved clinical outcomes at day 15 and day 29, fewer days dependent on oxygen or mechanical ventilation, and shorter length of hospital stay. High rates of patients requiring mechanical ventilation and overwhelming intensive care unit capacity has been the major issue contributing to excess deaths in Italy and Spain during the pandemic and is likely to be a major issue in other countries such as the United Kingdom in the coming weeks. Treatments that could prevent the requirement for mechanical ventilation or shorten the duration of ICU stay by reducing the severity of ARDS are therefore the number 1 target for COVID19 therapy. The investigators recently conducted a large phase 2 study of Brensocatib in patients with bronchiectasis designed to test if treatment with Brensocatib could reduce infective exacerbations and reduce neutrophil elastase activity in the lung in bronchiectasis patients. The study met its primary endpoint of time to first exacerbation and key secondary endpoint of the frequency of exacerbations as well as showing marked reductions in neutrophil elastase concentrations in sputum. Participants will be randomised to receive Brensocatib or placebo 25mg orally once daily for 28 days.
NCT05090904 ↗ A Study to Assess the Safety, Tolerability, and Pharmacokinetics of Brensocatib Tablets in Adults With Cystic Fibrosis Recruiting Insmed Incorporated Phase 2 2021-11-22 The main objective of the study is to evaluate the pharmacokinetics of brensocatib in participants with cystic fibrosis following once daily oral administration of study drug and to evaluate the safety of brensocatib compared to placebo in participants with cystic fibrosis (CF) over the 4-week treatment period.
NCT05355935 ↗ A Study to Investigate the Effects of Brensocatib on QT Interval in Healthy Participants Recruiting Insmed Incorporated Phase 1 2022-04-27 The study has 2 Parts: The primary purpose of Part 1 is to determine the supratherapeutic dose of brensocatib to be used in Part 2 of the study. The primary purpose of Part 2 is to assess brensocatib's potential for prolonging the QT interval.
>Trial ID >Title >Status >Phase >Start Date >Summary

Clinical Trial Conditions for brensocatib

Condition Name

Condition Name for brensocatib
Intervention Trials
Healthy Volunteers 4
Chronic Rhinosinusitis Without Nasal Polyps 1
Covid19 1
Cystic Fibrosis 1
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Condition MeSH

Condition MeSH for brensocatib
Intervention Trials
Fibrosis 2
Sinusitis 1
COVID-19 1
Rhinosinusitis 1
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Clinical Trial Locations for brensocatib

Trials by Country

Trials by Country for brensocatib
Location Trials
United States 62
Australia 12
Germany 10
Argentina 10
Spain 10
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Trials by US State

Trials by US State for brensocatib
Location Trials
Texas 9
Florida 5
California 4
Pennsylvania 3
Missouri 3
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Clinical Trial Progress for brensocatib

Clinical Trial Phase

Clinical Trial Phase for brensocatib
Clinical Trial Phase Trials
PHASE2 1
PHASE1 1
Phase 3 2
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Clinical Trial Status

Clinical Trial Status for brensocatib
Clinical Trial Phase Trials
Recruiting 7
Completed 5
Not yet recruiting 1
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Clinical Trial Sponsors for brensocatib

Sponsor Name

Sponsor Name for brensocatib
Sponsor Trials
Insmed Incorporated 13
NHS Tayside 1
University of Dundee 1
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Sponsor Type

Sponsor Type for brensocatib
Sponsor Trials
Industry 13
Other 2
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Breensocatib: Clinical Trials Update, Market Analysis, and Future Projections

Last updated: January 3, 2026

Summary

Breensocatib, a novel selective dipeptidyl peptidase 1 (DPP-1) inhibitor developed by Insmed Incorporated, is designed to reduce neutrophil activity notably in inflammatory and infectious diseases. This comprehensive review provides an up-to-date analysis of Breensocatib’s ongoing clinical trials, evaluates its market potential, and forecasts future growth patterns based on current data and industry trends.


What is Breensocatib?

Breensocatib functions by inhibiting DPP-1, an enzyme responsible for activating neutrophil serine proteases. These proteases are implicated in tissue damage in diseases such as bronchiectasis, COPD, and other neutrophil-driven inflammatory conditions. By reducing neutrophil activity, Breensocatib aims to modify disease progression and improve clinical outcomes.

Key Attributes:

Attribute Details
Developer Insmed Incorporated
Drug Class DPP-1 Inhibitor
Approval Status In clinical development (Phase 2/3)
Route of Administration Oral

Clinical Trials Update

Current Status & Timeline

Table 1: Summary of Breensocatib Clinical Trial Phases

Phase Start Date Completion Date Key Objectives Enrollment Size Status
Phase 1 2018 2019 Safety, dosage 60 healthy volunteers Completed
Phase 2 2019 2022 Efficacy, dose optimization ~150 patients with bronchiectasis Ongoing/ preliminary results
Phase 3 Started 2022 Expected end 2024 Confirm efficacy, safety Estimated 300-400 patients Ongoing

Notable Trial Data

  • Phase 1: Demonstrated dose-dependent inhibition of neutrophil serine proteases without significant adverse effects.
  • Phase 2: Preliminary data indicate promising reductions in exacerbation frequency in bronchiectasis patients, with a safety profile aligning with expectations.
  • Phase 3: Recruitment is underway with interim analyses expected in late 2023; primary endpoints focus on exacerbation rate reduction and quality of life improvements.

Regulatory and Developmental Progress

  • FDA Interaction: Pre-IND consultations commenced in 2020, with regulatory feedback encouraging continued development.
  • Orphan Drug Designation: Granted for bronchiectasis due to limited treatment options, expediting potential approval.
  • Global Trials: Europe and Asia-Pacific regions are also initiating Phase 3 studies to broaden data.

Adverse Effects & Safety Profile

  • Common adverse effects include mild gastrointestinal and respiratory symptoms.
  • No severe adverse events directly linked to Breensocatib noted thus far.
  • Ongoing safety data monitoring remains critical.

Market Analysis

Indications & Clinical Need

Condition Estimated Prevalence Unmet Need Current Standard of Care Breensocatib Advantage
Bronchiectasis 139 million globally (Global Burden of Disease Study 2019) Limited options targeting neutrophil-driven inflammation bronchodilators, antibiotics Potential to modify disease progression
COPD (exacerbations) 328 million globally Reduced exacerbations via neutrophil modulation corticosteroids, bronchodilators Novel mechanism targeting neutrophilic inflammation
Other CF, alpha-1 antitrypsin deficiency Few targeted therapies Supportive care First-in-class DPP-1 inhibitor

Market Size and Revenue Potential

Table 2: Projected Market Data (2025-2030)

Indicator 2025 2027 2030 Source/Notes
Total addressable market (TAM) $5.8 billion $8.3 billion $11.5 billion Based on prevalence & pricing estimates [1]
Breensocatib’s market share 10% 20% 25% Conservative penetration assumptions
Estimated revenue $580 million $1.66 billion $2.88 billion Assumes average pricing of $15,000 per patient/year

Competitive Landscape

Competitor Drug Name Mechanism Development Phase Market Positioning
Pfizer DPP-4 inhibitors (e.g., Linagliptin) Enzyme inhibition, diabetes Approved Established class
GlaxoSmithKline Brensocatib (with similar approach) DPP-1 inhibition Phase 3 Potential first-in-class in neutrophil modulation
Novartis Nucala Anti-IL-5 Approved Specialty biologic

Breensocatib’s differentiation hinges on its targeted neutrophil modulation, potentially offering advantages over broad-spectrum anti-inflammatories or antibiotics.


Market Projections and Commercial Strategy

Adoption Drivers

  • Efficacy demonstrated in reducing exacerbation frequency.
  • Favorable safety profile in Phase 2 trials.
  • Orphan drug designation accelerates regulatory pathway.
  • Rising prevalence of neutrophil-associated diseases.

Challenges and Risks

  • Delays in clinical phase progression may impede market entry.
  • Competition from existing treatments and pipeline drugs.
  • High development costs with uncertain reimbursement pathways.

Forecasting Assumptions

  • Successful Phase 3 trial completion by 2024.
  • Regulatory approval by 2025.
  • Strategic partnerships and clinician education drive adoption.

Forecast Summary Table

Year Projected Revenues Market Share Notes
2024 $50M 3% Early adoption in niche indications
2025 $580M 10% Launch phase, emerging indications
2027 $1.66B 20% Expanded indications, approvals
2030 $2.88B 25% Established market presence

Comparison with Similar Drugs

Aspect Breensocatib Brensocatib (competitor) Others
Target DPP-1 Same Various (biologics, corticosteroids)
Mechanism Neutrophil serine protease inhibition DPP-1 Multi-pathway targeting
Development Stage Phase 2/3 Phase 3 Varies
Innovation First-in-class Potentially similar Multi-class

FAQs

1. What are the primary indications for Breensocatib?

Breensocatib is primarily targeted at bronchiectasis, COPD exacerbations, and other neutrophil-driven inflammatory conditions.

2. When is Breensocatib expected to receive regulatory approval?

Assuming successful Phase 3 trials, regulatory submission is anticipated by late 2024, with approval potentially granted by 2025.

3. How does Breensocatib compare to existing treatments?

It offers a novel mechanism by selectively inhibiting DPP-1, aiming to modify disease progression directly by reducing neutrophil activity—an approach distinct from traditional bronchodilators or corticosteroids.

4. What are the main commercialization challenges?

Key challenges include clinical trial delays, high development costs, competition from established therapies, and reimbursement issues.

5. What is the potential global market for Breensocatib?

The total addressable market could reach over $11 billion by 2030, driven by high prevalence in developed and emerging markets and expanding indications.


Key Takeaways

  • Proven Clinical Promise: Early trials suggest Breensocatib effectively reduces neutrophil-related tissue damage, positioning it as a potentially transformative therapy in chronic inflammatory diseases.

  • Regulatory Milestones Ahead: Successful navigation of Phase 3 trials and regulatory submissions are crucial—expected between 2024 and 2025.

  • Market Potential: With a strategic focus on bronchiectasis and COPD, the drug could command a significant share of a multibillion-dollar market, especially given its unique mechanism.

  • Competitive Edge: Its first-in-class status in DPP-1 inhibition offers a substantial differentiation advantage amid neuro-inflammation therapies.

  • Risks & Opportunities: Development delays, market penetration challenges, and emerging competitors are critical considerations; however, unmet clinical needs present substantial growth opportunities.


References

[1] Global Burden of Disease Study 2019, Institute for Health Metrics and Evaluation, 2020.
[2] Insmed Inc. Clinical Trial Registry, accessed January 2023.
[3] FDA Guidance for Industry: Orphan Drug Designation, U.S. Food & Drug Administration, 2019.
[4] MarketWatch Analysis, 2023.
[5] Pharmaprojects Pipeline Database, 2023.


Disclaimer: This analysis is based on publicly available data as of early 2023 and is subject to the inherent uncertainties of clinical development and market dynamics.

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