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Updated: May 16, 2026

Histological Quantification to Determine Lung Fungal Burden in Experimental Aspergillosis
Published on: March 9, 2018
Management of chronic pulmonary aspergillosis
Koichi Izumikawa1, Masato Tashiro, Shigeru Kohno
1Department of Molecular Microbiology and Immunology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan. koizumik@nagasaki-u.ac.jp
Abstract:
Chronic pulmonary aspergillosis (CPA) is a relatively rare, slowly progressive pulmonary syndrome caused by Aspergillus spp. The scarcity of clinical evidence for its management is an important issue. Oral azoles are recommended as the primary treatment of CPA; however, the evidence for their effectiveness is insufficient. Azole-resistant A. fumigatus is rapidly increasing and becoming a serious concern. Because long-term administration of azoles is the mainstay of CPA, azole resistance may pose a serious threat. Furthermore, prolonged oral administration of azoles may lead to increased azole resistance in CPA patients. Therefore, alternative management strategies for CPA must be considered, and one option may involve the use of intravenous antifungals such as echinocandins and polyens. The utility of these antifungals, however, has not been well evaluated and remains controversial because the drugs are expensive and require patients to be admitted to the hospital for their use. New antifungal drugs with novel mechanisms of action are also needed.
Insights
Chronic pulmonary aspergillosis (CPA) management faces challenges due to insufficient evidence for oral azoles and rising azole resistance. Alternative strategies, including intravenous antifungals, are needed but require further evaluation.
Area of Science:
- Mycology
- Pulmonology
- Infectious Diseases
Background:
- Chronic pulmonary aspergillosis (CPA) is a rare, progressive lung disease caused by Aspergillus species.
- Current management relies on oral azoles, but clinical evidence for their efficacy is limited.
- Rising azole resistance in Aspergillus fumigatus poses a significant threat to CPA treatment.
Purpose of the Study:
- To review the current challenges in managing CPA.
- To explore alternative antifungal strategies beyond oral azoles.
- To highlight the need for new antifungal agents and further research.
Main Methods:
- Literature review of existing studies on CPA management.
- Analysis of the impact of azole resistance on treatment outcomes.
- Evaluation of potential alternative antifungal therapies, including intravenous options.
Main Results:
- Oral azoles are the primary treatment but lack robust evidence of effectiveness.
- Azole-resistant Aspergillus fumigatus is an increasing concern, potentially exacerbated by long-term azole use.
- Intravenous antifungals like echinocandins and polyenes are potential alternatives but have limitations (cost, administration).
Conclusions:
- There is a critical need for improved and evidence-based management strategies for CPA.
- Alternative antifungal therapies and novel drug development are essential to combat CPA and azole resistance.
- Further research is required to evaluate the utility and cost-effectiveness of alternative treatments.
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