This week’s research reinforces several consistent themes in aspergillosis: ongoing diagnostic confusion (particularly with tuberculosis and cancer), increasing movement toward precision medicine, and continued development of both antifungal therapies and biomarkers. There is also a growing emphasis on host-pathogen interactions rather than fungal burden alone.

Key Highlights

  • Isavuconazole levels can become unexpectedly high due to genetics and drug interactions.
  • Chronic pulmonary aspergillosis (CPA) can mimic lung cancer, risking delayed diagnosis.
  • New biomarker (EDN) for ABPA shows promise for diagnosis and monitoring.
  • Azole resistance research highlights differences between Aspergillus species.
  • New antifungal approaches emerging (olorofim, nitroxoline).
  • Host response is central – fibroblasts and immune pathways actively influence disease.
  • TB vs aspergillosis confusion persists in real-world settings.

Contents


Clinical & Diagnostic Studies

CPA mistaken for lung cancer

Paper: PubMed

A case report describes chronic pulmonary aspergillosis presenting as suspected lung malignancy in a patient with asthma and ABPA overlap.

Why this matters: CPA continues to be misdiagnosed due to tumour-like imaging appearances. This reinforces the need to consider fungal disease in patients with underlying lung conditions.

Invasive sinus aspergillosis causing bone destruction

Paper: Free full text

Granulomatous invasive aspergillosis led to facial bone destruction and neurological symptoms.

Why this matters: Delayed diagnosis of invasive disease can lead to severe structural damage. Early imaging and specialist input are critical.

Aspergillus infection in suspected TB patients

Paper: PubMed

Study shows overlap between tuberculosis and aspergillosis in symptomatic patients.

Why this matters: Persistent global issue—shared symptoms delay correct diagnosis and treatment, particularly relevant for CPA pathways.

Invasive aspergillosis in critical illness

Paper: PubMed

Case of invasive pulmonary aspergillosis in a patient with severe viral illness.

Why this matters: Reinforces that aspergillosis is not limited to traditional risk groups and can complicate severe systemic illness.


Treatment & Pharmacology

Isavuconazole toxicity linked to genetics

Paper: Free full text

Case report of supratherapeutic isavuconazole levels linked to CYP3A5 genotype and interacting medications.

Why this matters: Even “predictable” antifungals show variability. Supports therapeutic drug monitoring and future personalised dosing approaches.

Olorofim pharmacokinetics

Paper: PubMed

Study demonstrates tissue distribution of olorofim in preclinical models.

Why this matters: Supports ongoing development of a key next-generation antifungal, particularly for resistant disease.

Nitroxoline shows antifungal activity

Paper: PubMed

Repurposed drug demonstrates activity against Aspergillus via copper disruption and oxidative stress.

Why this matters: Highlights potential for non-azole antifungal strategies in future treatment.


Biology, Immunology & Resistance

Azole resistance and Aspergillus genomics

Paper: PubMed

Genomic study of Aspergillus section Fumigati explores resistance mechanisms and pathogenicity.

Why this matters: Different species may respond differently to antifungals—accurate identification is increasingly important.

Fibroblasts actively support lung defence

Paper: PubMed

Study shows fibroblasts contribute to immune defence and tissue repair during infection.

Why this matters: Disease outcomes depend on host response, not just fungal burden—important for future therapies.

Immune pathway targeting in fungal keratitis

Paper: PubMed

PIM1 inhibition reduces inflammation via STING pathway signalling.

Why this matters: Supports growing interest in targeting immune pathways alongside antifungal therapy.


Biomarkers & Diagnostics

Eosinophil-derived neurotoxin (EDN) in ABPA

Paper: PubMed

EDN proposed as a biomarker for allergic bronchopulmonary aspergillosis.

Why this matters: Could improve diagnosis and monitoring, helping distinguish ABPA from asthma or sensitisation alone.

Commentary on ISHAM ABPA guidelines

Paper: PubMed

Discussion of updated international guidance on ABPA diagnosis and management.

Why this matters: Highlights ongoing refinement of diagnostic criteria and classification systems.


Wider Context

Fungal extracellular vesicles

Paper: PubMed

Review of fungal vesicles in pathogenesis and host interaction.

Why this matters: Emerging area that may influence future diagnostics and therapies.

Aspergillosis in broader disease settings

  • Cystic fibrosis study: PubMed
  • Adenovirus meta-analysis: PubMed
  • Haematology correspondence: PubMed

Why this matters: Aspergillosis continues to appear across a wide range of conditions, particularly in critically ill or immunocompromised patients.


Overall Interpretation

This week’s literature reinforces several strategic priorities:

  • Earlier and more accurate diagnosis remains essential, particularly in distinguishing CPA from TB and cancer.
  • Precision medicine is advancing, with growing roles for pharmacogenomics, drug monitoring, and species-level identification.
  • New antifungal options are progressing, but remain largely in development.
  • Host response is increasingly recognised as central to disease progression and outcomes.

Overall, the field continues to move toward more personalised, biology-driven approaches to diagnosis and management.

Path: Start » Weekly Updates » Weekly Aspergillosis Research Update: 31 March – 7 April 2026

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