Interferon-gamma as Adjunctive Therapy in Chronic Pulmonary Aspergillosis: a Randomised Feasibility Study

This study explores the role of treatment with interferon-gamma to improve outcomes in chronic pulmonary aspergillosis (CPA). CPA is a progressive infection caused by the fungus Aspergillus affecting patients with chronic lung disease like Chronic Obstructive Lung Disease (COPD) or previously treated tuberculosis (TB). It causes gradual destruction of lung tissue by slowly enlarging cavities, frequent secondary infections and poor quality of life. Because of its indolent nature and nonspecific x-ray findings, it often remains unrecognised for years. Around 3600 people live with CPA in the United Kingdom. Mortality from CPA may be up to 40% in five years. Treatment for CPA relies on antifungals for prolonged periods, but only around 60% of patients improve. It is often long-term or lifelong as the response is slow and some patients experience relapses. In addition, only one class of oral antifungal drugs is licensed for CPA, and they are associated with side effects and high cost. Better treatments are needed for CPA. We do not know why many patients do not respond to treatment. Maybe CPA patients have a weakened immune system and are more susceptible to Aspergillus. Our data suggest that CPA patients produce lower amounts of ΙFNγ, a substance that facilitates the immune system's response against Aspergillus. We have also shown that, when given to patients with CPA who have failed to improve on antifungal treatment, interferon-gamma leads to improvement in important patient-c…

This description comes directly from the study's public registry record.

Chris Kosmidis, MD  ·  01612915875  ·  chris.kosmidis@manchester.ac.uk

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