Invasive pulmonary aspergillosis in the post-COVID-19 era: diagnosis, treatment, and what lies ahead

Therapeutic Advances in Infectious Disease · Published 2026-02-01 · DOI 10.1177/20499361251406189

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Abstract

Invasive pulmonary aspergillosis (IPA) is a severe opportunistic fungal infection that predominantly affects immunocompromised individuals, including those with hematologic malignancies, organ transplants, and, more recently, patients with post-COVID-19 immune dysregulation. Despite advancements in medical mycology, IPA continues to pose significant diagnostic and therapeutic challenges, contributing to high global morbidity and mortality. Diagnostic accuracy remains limited due to nonspecific clinical manifestations and the suboptimal performance of conventional tools such as bronchoalveolar lavage culture and galactomannan testing. However, recent innovations including polymerase chain reaction-based molecular assays, lateral flow devices, and immuno-positron emission tomography/magnetic resonance imaging offer improved sensitivity, specificity, and speed. Therapeutically, triazoles remain the cornerstone of IPA management, complemented by echinocandins and liposomal amphotericin B in refractory cases. The role of combination therapy and antifungal susceptibility testing is growing in response to rising azole resistance. Additionally, novel antifungal agents and immunotherapeutic approaches are currently under clinical investigation. Effective management of IPA requires a timely, multidisciplinary approach that combines advanced diagnostics with personalized antifungal strategies. Continued research is essential to standardize molecular techniques, refine immunotherapy, and expand access to next-generation antifungals to reduce the global burden of this life-threatening infection. This review aims to synthesize current evidence on the diagnosis and treatment of IPA, critically evaluate the strengths and limitations of existing diagnostic and therapeutic approaches, and explore emerging strategies to enhance clinical outcomes in the context of rising antifungal resistance.

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Publication details

Year
2026

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