Diagnostic and Therapeutic Applications of Microarrays in Lung Transplantation

This observational study uses a molecular analysis system (the Molecular Microscope Diagnostic System, or MMDx) to examine biopsy tissue from lung transplant recipients to see whether genetic fingerprinting of the tissue can diagnose the cause of allograft dysfunction more accurately than current standard methods, which are known to be inconsistent. Better diagnosis is critical because wrong diagnoses can lead to harmful, inappropriate treatments. All adult lung transplant recipients who are already scheduled for a biopsy as part of their standard care at participating centers are eligible. Participation involves allowing an additional analysis of the standard biopsy tissue sample (transbronchial biopsy); in a subset of patients, a gentler surface biopsy (endobronchial mucosal biopsy) will also be evaluated. This summary was generated with AI assistance and is intended to help patients understand the study in plain language.