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What is the primary objective of this study?

Although relatively common, bronchiectasis is considered an orphan disease as there is little evidence for adequate treatment, most of the therapeutic options are extrapolated from studies with patients with chronic obstructive pulmonary disease (COPD) or cystic fibrosis (CF). Inhaled bronchodilators and corticosteroids should be used as a therapeutic test and maintained if there is improvement of symptoms or lung function. There is no evidence to justify the use of mucolytic agents for these patients. The treatment with greater evidence is the use of macrolides, especially azithromycin. A meta-analysis published in 2014 showed that there was a reduction in the number of exacerbations, an improvement in the quality of life and a reduction in the decrease in FEV1. However, studies have shown conflicting results regarding quality of life and pulmonary function. Roflumilast is a phosphodiesterase-4 inhibitor with an anti-inflammatory effect in vitro and in vivo due to the inhibition of cyclic adenosine monopostat breakdown (cAMP) to its inactive phosphodiesterase form. As this enzyme is expressed in high concentrations in leukocytes and other inflammatory cells responsible for the pathogenesis of pulmonary diseases such as COPD, it has been studied and used for this disease. COPD is characterized by a chronic inflammatory process of the airways, predominantly neutrophils and high levels of proinflammatory cytokines related to this cell, such as interleukin-8, neutrophil elastase, tumor necrosis factor (TNF) alpha and E-selectin. The REACT study showed that roflumilast prevents moderate and severe infectious exacerbations in addition to improved lung function in patients with COPD who continue to exacerbate despite the use of combined bronchodilator and inhaled corticosteroid therapy. Since bronchiectasis and COPD are chronic inflammatory diseases, they present similar inflammatory processes, with neutrophil as the main inflammatory cell, it is expected that the use of roflumilast also has an anti-inflammatory effect in bronchiectasis. In addition, since bronchiectasis is a disease with poor evidence for pharmacological treatment, it is necessary to search for new therapeutic possibilities.

Who is eligible to participate?

Inclusion Criteria: - Age > 18 years; - Diagnosis of bronchiectasis by chest tomography; - FEV1 <60% of predicted; - History of chronic bronchitis (chronic cough and sputum for at least 3 months in the last 2 years); - 2 or more infectious exacerbations in the last year (defined as worsening of cough and / or dyspnoea and / or decreased general condition, increased quantity and purulence of sputum that required systemic antibiotic use (oral or intravenous). Exclusion Criteria: - Hemoptysis in the last 6 months (significance at the discretion of the investigator); - Current or prior smoking if > 10 pack-years; - FEV1 < 30% of predicted; - Known allergy to roflumilast; - Pulmonary exacerbation present or occurring in the last 4 weeks; - Child B or C cirrhosis; - Active cancer (except basal cell carcinoma); - Severe heart failure; - Depression associated with suicidal ideation; - Pregnancy.

Which medical condition, disease, disorder, syndrome, illness, or injury is researched?

Bronchiectasis Adult

Study Interventions

Interventions can include giving participants drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available or noninvasive approaches such as surveys, education, and interviews.

Drug:Roflumilast500Mcg Tab, once daily

Drug:Placebo oral tabletonce daily

Study Arms

Research studies and clinical trials typically have two or more research arms. An arm is a group of people who receive the same treatment in the study.

RoflumilastRoflumilast tablets will be supplied at a concentration of 500 mcg. Each tablet contains 500mcg of the active ingredient in addition to the excipients: lactose monohydrate, corn starch, povidone and magnesium stearate. The coating contains hypromellose, macrogol, titanium dioxide, yellow iron oxide. Patients should take 1 tablet once daily, before, during or after meals, at the same time each day.

Placebo (control)Roflumilast placebo-containing tablets will look similar to active roflumilast tablets and will be supplied to patients in packs identical to those of the active drug.

Study Status

Recruiting

Start Date: July 2019

Completed Date: December 2020

Phase: Phase 2

Type: Interventional

Design:

Primary Outcome: Quality of life questionnaire

Secondary Outcome: Other tools for quality of life

Study sponsors, principal investigator, and references

Principal Investigator: Rodrigo A Athanazio, MD, PhD

Lead Sponsor: University of Sao Paulo General Hospital

Collaborator:

More information:https://clinicaltrials.gov/show/NCT03988816