Related Experiment Video
Updated: Jul 13, 2026

An Ex vivo Assay to Study Candida albicans Hyphal Morphogenesis in the Gastrointestinal Tract
Published on: July 1, 2020
Improved outcomes associated with advances in therapy for invasive fungal infections in immunocompromised hosts
1Communicable Diseases Directorate, E Floor, Royal Hallamshire Hospital, Glossop Road, Sheffield S10 2JF, UK.
Abstract:
Invasive fungal infections cause substantial morbidity and mortality in immunocompromised hosts. The response rate to therapy, in particular for invasive aspergillosis and invasive mould infections, has been poor. Recently a number of techniques to facilitate early diagnosis of these infections, in parallel with the development of a number of antifungals with increased potency and lower toxicity, have raised optimism that outcomes for invasive fungal infection can be improved upon. The availability of lipid formulations of amphotericin B, azoles with extended spectrum against filamentous fungi and the development of a new class of antifungal agents, the echinocandins, presents the clinician with a range of therapeutic choices. Recent clinical trials have provided important insights into how these agents should be used. In particular, voriconazole has demonstrated superior efficacy to amphotericin B in the management of invasive aspergillosis, posaconazole has been shown to have significant efficacy in the prophylaxis of invasive fungal infection in high-risk individuals and a role in salvage therapy of invasive aspergillosis, caspofungin has demonstrated efficacy in salvage therapy of invasive aspergillosis, and each of the echinocandins show activity without significant toxicity in invasive candidiasis. Nevertheless, many therapeutic areas of uncertainty remain, including the role of combination therapy, and will provide the focus for future studies.
Insights
New antifungals and diagnostic tools offer hope for invasive fungal infections, particularly invasive aspergillosis. Clinical trials guide optimal use of voriconazole, posaconazole, and echinocandins, improving outcomes for immunocompromised patients.
Area of Science:
- Mycology
- Infectious Diseases
- Clinical Pharmacology
Background:
- Invasive fungal infections (IFIs) pose significant risks, especially in immunocompromised individuals.
- Treatment response rates for invasive aspergillosis and invasive mould infections have historically been low.
- Advances in early diagnosis and potent, less toxic antifungal agents are improving IFI management.
Purpose of the Study:
- To review recent advancements in the diagnosis and treatment of invasive fungal infections.
- To highlight the clinical utility of newer antifungal agents and formulations.
- To identify remaining therapeutic uncertainties and future research directions.
Main Methods:
- Review of recent clinical trials and therapeutic guidelines for invasive fungal infections.
- Analysis of the efficacy and safety profiles of key antifungal agents, including lipid formulations of amphotericin B, extended-spectrum azoles, and echinocandins.
- Evaluation of specific agents like voriconazole, posaconazole, and caspofungin in various clinical scenarios.
Main Results:
- Voriconazole demonstrated superior efficacy compared to amphotericin B for invasive aspergillosis.
- Posaconazole showed efficacy in prophylaxis and salvage therapy for IFIs in high-risk patients.
- Echinocandins (e.g., caspofungin) are effective and well-tolerated for invasive candidiasis and salvage therapy.
Conclusions:
- Newer antifungal therapies offer improved outcomes for IFIs.
- Voriconazole, posaconazole, and echinocandins represent significant therapeutic advances.
- Further research is needed, particularly on combination therapy, to address remaining challenges in IFI treatment.
Related Concept Videos
Cryptococcal Meningitis
Antifungal Agents
Inhibitors of Viral Protein Synthesis
Fungal Phylum Microsporidia
Tumor Immunotherapy
Pulmonary Tuberculosis I
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
