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Home › Conditions › bronchitis

Bronchitis

Part of Lung Diseases, Obstructive

3 published articles · Updated continuously

Clinical Trial Landscape

Clinical Trials for bronchitis

22 trials tracked for bronchitis: 8 in phase 3 or 4 and 1 with published results. The most-cited published study has 75 citations.

22Trials tracked
8Phase 3 & 4
0Recruiting
1With published results
Phase distribution
Phase 4 5 Phase 3 3 Phase 2 2 Phase 1 2 Other / NA 10
  1. Phase 3 Mepolizumab in Chronic Obstructive Pulmonary Diseases (COPD) With Eosinophilic Bronchitis Completed · 75 cited
  2. Phase 4 Efficacy of Losartan in Preventing Progression of COPD Completed
  3. Phase 4 The Effectiveness of Roflumilast in Improving Mucociliary Clearance in Patients With COPD and Chronic Bronchitis Completed
  4. Phase 4 Airway Clearance for Prevention of Chronic Obstructive Pulmonary Disease (COPD) Exacerbation Completed
  5. Phase 4 Efficacy Safety Study of Arformoterol/Tiotropium Combination Versus Either Therapy Alone in Chronic Obstructive Pulmonary Disease (COPD) Completed
  6. Phase 4 Add-on Effects of Tiotropium Over Formoterol in Exercise Tolerance on Chronic Obstructive Pulmonary Disease Patients Completed
Show 16 more trials
  1. Phase 3 Safety and Efficacy of Arformoterol Tartrate Inhalation Solution in Subjects With Chronic Obstructive Pulmonary Disease Completed
  2. Phase 3 A Trial To Evaluate Two Antibiotics For The Treatment Of Acute Exacerbation Of Chronic Bronchitis (AECB) Completed
  3. Phase 2 A Phase II, Randomized, Double-blind, Placebo-controlled Study to Assess MEDI3506 in Participants With COPD and Chronic Bronchitis Completed
  4. Phase 2 The Topic Trial - Study to Determine the Safety and Efficacy of Ivacaftor Completed
  5. Phase 1 Crossover, Single Dose, Two-stage Bioequivalence Study of SCMC-Lys Salt 1.35 g Powder vs SCMC-Lys Salt 90 mg/mL Syrup Completed
  6. Phase 1 The Effects of Tiotropium on the Cough Reflex in Patients With Chronic Obstructive Pulmonary Disease (COPD) Completed
  7. N/A Outcome Study to Evaluate Klaricid XL® (Clarithromycin Modified Release) in Patients With Acute Exacerbation of Chronic Bronchitis Completed
  8. N/A Regulation of the Release of Inflammatory Mediators From Lung Macrophages. Completed
  9. N/A Improving the Quality of End-of-Life Communication for Patients With Chronic Obstructive Pulmonary Disease (COPD) Completed
  10. N/A Prophylactic Efficacy of Relenza Against Influenza A and B Completed
  11. N/A Leukocyte Function in Chronic Obstructive Pulmonary Disease (COPD) Completed
  12. N/A Evaluation of the Treatment With Klacid®SR in Patients With Lower Respiratory Tract Infection Completed
  13. N/A Evaluation of Effectiveness of the Treatment After Repeated Administration of Klacid®SR Completed
  14. N/A Leukocyte Function in Asthma and COPD Completed
  15. N/A Macrophage Phagocytosis in COPD Completed
  16. N/A The Effect of Physical Activity Promotion on Short and Long-term Outcomes in COPD Completed

Showing the 22 most-cited and recently-updated of 22 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.
Narrative review examines lung microbiome and mucosal IgA in chronic inflammatory lung diseases
Pulmonology & Critical Care Sys. Review
Narrative review examines lung microbiome and mucosal IgA in chronic inflammatory lung diseases Your Lungs Have Their Own Microbiome — and It Affects Your Immune Defenses
This narrative review explores the interplay between the lung microbiome and mucosal immunoglobulin A system in chronic inflammatory lung di…
The lung's microbiome and immune protein IgA work together to protect health, and their breakdown drives chronic lung diseases like asthma a…
Frontiers Apr 18, 2026
Narrative review links rare earth element exposure to respiratory symptoms and lung disease in industrial settings
Primary Care & Family Medicine Sys. Review
Narrative review links rare earth element exposure to respiratory symptoms and lung disease in industrial settings Tiny Dust, Big Lungs: The Hidden Air Threat
This narrative review synthesizes evidence regarding environmental exposure to rare earth elements (REEs) in mining and industrial regions.
The dust inside your favorite gadgets and phones might be quietly damaging your lungs without you even knowing it.
Frontiers Apr 15, 2026
In hospitalized children with human rhinovirus infection, lower airway obstruction and specific comorbidities associate with progression to bronchitis or pneumonia
Pediatrics Cohort
In hospitalized children with human rhinovirus infection, lower airway obstruction and specific comorbidities associate with progression to bronchitis or pneumonia Rhinovirus infection linked to higher risk of bronchitis or pneumonia in hospitalized children
This retrospective cohort study examined 1,125 hospitalized children with human rhinovirus infection to identify risk factors for disease pr…
Children with rhinovirus infections and shortness of breath face a 4.35 times higher risk of developing bronchitis during their hospital sta…
Frontiers Apr 14, 2026