Observational studyPediatric blood & cancer2025
High Prevalence of Abnormal Baseline Lung Function in Pediatric and Young Adult Hematopoietic Stem Cell Transplant Recipients: A Report from the TRANSPIRE Study.
Observational study in Pediatric blood & cancer, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04098445 (TRANSPIRE), which is not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
TRANSPIRE: Lung Injury in a Longitudinal Cohort of Pediatric HSCT Patients
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0 citing papers in PubMed.
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Authors and funding
41 authors.
Funding
Abstract
backgroundPulmonary complications are a major cause of morbidity and mortality in pediatric and young adult hematopoietic stem cell transplant (HSCT) recipients. The impact of preexisting lung dysfunction on posttransplant outcomes remains understudied.
methodsIn a multi-institutional prospective cohort of 444 patients (≤24 years) undergoing allogeneic HSCT at eight centers, baseline lung function was categorized as normal or abnormal using clinical history, imaging, pulmonary function tests (PFTs), and pulmonologist review. Spirometry and diffusion capacity were assessed at baseline, Day 100, 1 year, and 2 years post-HSCT.
resultsBaseline pulmonary dysfunction was present in 224 patients (50.4%), including impaired spirometry (46.4%), low diffusion capacity (33.8%), and imaging abnormalities (e.g., nodules 19%, interstitial changes 7.9%). These patients had significantly lower median z-scores for forced expiratory volume in 1 s (FEV1) (-2.3 vs. -0.5), forced vital capacity (FVC) (-2.0 vs. -0.3), and diffusion capacity of the lung for carbon monoxide (-2.4 vs. -0.7; all p < 0.001). Lung function impairments persisted through 2 years post-HSCT. FEV1 and FVC remained significantly lower at all time points; FEV1/FVC ratios were similar. Overall survival was lower in the abnormal group (88.4 vs. 95.9%). Seven respiratory-related deaths occurred, including acute respiratory distress syndrome (n = 3), respiratory failure (n = 2), diffuse alveolar hemorrhage (n = 1), and fibrotic lung disease (n = 1).
conclusionsPretransplant pulmonary dysfunction is common and predicts sustained posttransplant impairment and lower survival. Comprehensive baseline assessment may aid in risk stratification and guide early interventions to improve long-term respiratory outcomes in pediatric and young adult HSCT patients. CLINICALTRIALS: GOV IDENTIFIER: NCT04098445.
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