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Clinical Trial Summary

Brief Research Proposal: Non-Invasive Detection of Invasive Pulmonary Aspergillosis in ICU Patients Background: Invasive Pulmonary Aspergillosis (IPA) is a critical threat to patients in ICUs, especially those undergoing mechanical ventilation. Traditional diagnostic methods are invasive and carry risks. This study proposes a non-invasive, innovative approach utilizing galactomannan (GM) analysis in Exhaled Breath Condensate (EBC) for early IPA detection. Objective: To evaluate the diagnostic accuracy of measuring GM levels in EBC for detecting IPA in mechanically ventilated patients, comparing it against the conventional Bronchoalveolar Lavage Fluid (BALF)-GM measurements. Methods: A clinical trial will be conducted with 75 mechanically ventilated patients suspected of having IPA. The study will compare the effectiveness of EBC-GM levels against BALF-GM levels in diagnosing IPA, focusing on sensitivity, specificity, and diagnostic accuracy. The novel, self-designed EBC collection device will facilitate the safe and efficient collection of EBC from patients. Expected Outcomes: Validation of EBC-GM Diagnostic Accuracy: Anticipate demonstrating that EBC-GM levels provide a comparable diagnostic accuracy to BALF-GM, establishing a non-invasive, safer alternative for IPA detection. Implementation of a Non-Invasive Diagnostic Tool: The study aims to introduce a non-invasive diagnostic approach that can potentially replace more risky, invasive methods, improving patient care in ICUs. Contribution to Clinical Practice: By providing a new method for early and safer detection of IPA, the study is expected to influence clinical guidelines and practices in the management of critically ill, ventilated patients. Significance: This research has the potential to revolutionize the diagnosis of fungal infections in critically ill patients by offering a non-invasive, accurate, and safer diagnostic tool, thereby improving patient outcomes and reducing the risks associated with invasive diagnostic procedures.


Clinical Trial Description

Research Proposal: Advancing the Diagnosis of Invasive Pulmonary Aspergillosis through Exhaled Breath Condensate Analysis in Ventilated Patients Background: Invasive Pulmonary Aspergillosis (IPA) remains a formidable challenge in the management of critically ill, immunocompromised patients, especially those requiring mechanical ventilation in Intensive Care Units (ICUs). The high morbidity and mortality rates associated with IPA underscore the urgent need for early and accurate diagnostic methods. Traditional diagnostic approaches, though effective, are invasive and pose significant risks to already vulnerable patients. This study introduces a novel, non-invasive diagnostic methodology by measuring galactomannan (GM) levels in Exhaled Breath Condensate (EBC), potentially revolutionizing the early detection of IPA. Objective: To evaluate the effectiveness of a non-invasive diagnostic approach by analyzing galactomannan levels in exhaled breath condensate (EBC) for detecting Invasive Pulmonary Aspergillosis (IPA) in mechanically ventilated ICU patients. Methods: Study Design: A prospective clinical trial involving 75 mechanically ventilated patients suspected of having IPA within the Medical Intensive Care Unit (MICU) of a tertiary hospital. Data Collection: Utilizing a self-designed EBC collection device, EBC samples will be collected from participants and analyzed for GM levels. These will be compared to Bronchoalveolar Lavage Fluid (BALF) GM levels, considered the current gold standard in IPA diagnostics. Analytical Approach: The study will focus on assessing the diagnostic accuracy of EBC-GM measurements by determining sensitivity, specificity, and overall concordance with BALF-GM levels. The potential enhancement of diagnostic precision with the inclusion of cytokine measurements will also be explored. Innovation: By leveraging a cutting-edge EBC collection device, this research aims to bypass the complications associated with invasive diagnostic procedures, offering a safer, more patient-friendly alternative. This innovative approach has the potential to significantly impact clinical practices in ICU settings by facilitating early and accurate IPA diagnosis without the need for bronchoscopy. Expected Outcomes: Diagnostic Performance: Investigators anticipate demonstrating that EBC-GM levels provide a reliable, non-invasive marker for IPA, with diagnostic accuracy comparable to BALF-GM measurements. Clinical Impact: The successful validation of EBC-GM as a diagnostic tool for IPA will offer a significant advancement in the management of critically ill patients, reducing the need for invasive procedures and associated risks. Guideline Integration: Findings from this study are expected to support the integration of EBC-GM analysis into clinical guidelines as a recommended diagnostic approach for IPA in mechanically ventilated patients. Significance: This research has the potential to transform IPA diagnostics in ICU settings, promoting a shift towards non-invasive, risk-free methods that can lead to earlier detection and improved patient outcomes. By minimizing invasive diagnostic interventions, the study aims to enhance the safety and efficacy of IPA management in critically ill populations. Ethics and Dissemination: The study adheres to the highest ethical standards, with approval from the institutional review board ensuring the protection and well-being of participants. Results will be actively disseminated through peer-reviewed journals and conference presentations, contributing to global efforts in improving ICU patient care in the context of fungal infections. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT06333379
Study type Observational
Source Sichuan Provincial People's Hospital
Contact
Status Completed
Phase
Start date January 2, 2023
Completion date January 10, 2024

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