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Cancer

Childhood Cancer Survivors Face Late-Onset Pulmonary Complications

Strategic Insights

— 1 min read

Childhood cancer survivors often develop late-onset pulmonary complications, with some experiencing severe respiratory issues, including interstitial lung disease, pulmonary fibrosis, and bronchiolitis obliterans. A recent study conducted by researchers from the Children's Hospital of Philadelphia has shed light on the genetic susceptibility markers that contribute to these complications. The study analyzed 104 childhood cancer survivors with pulmonary issues post-treatment, identifying potential genetic modifiers that warrant further investigation.

Key Takeaways:

  • 20% of childhood cancer survivors in the study were diagnosed with interstitial lung disease (ILD)
  • 3% of patients were diagnosed with pulmonary fibrosis and bronchiolitis obliterans
  • Pulmonary function test (PFT) impairments were present in 74% of patients
  • 14% of patients experienced exertional dyspnea, while 9% had chronic cough
  • Imaging revealed bronchiectasis in 7% of patients
  • The study identified suggestive genetic loci, including rs6804526 and rs117985268, which are associated with breast cancer and respiratory failure, respectively
  • Copy number variation (CNV) analysis identified a 21q22.3 deletion in one patient, linked to lung cancer
  • No genome-wide significant loci were identified, but the findings suggest potential genetic modifiers of pulmonary risk in childhood cancer survivors

Statistics:

  • 104 childhood cancer survivors with pulmonary issues were analyzed in the study
  • 20% of patients were diagnosed with interstitial lung disease (ILD)
  • 3% of patients were diagnosed with pulmonary fibrosis and bronchiolitis obliterans
  • 74% of patients had pulmonary function test (PFT) impairments
  • 14% of patients experienced exertional dyspnea
  • 9% of patients had chronic cough
  • 7% of patients had bronchiectasis
  • 3% of patients were diagnosed with pulmonary fibrosis

Sources:

  • Role of genetic modifiers on pulmonary consequences of cancer therapy in children. Scientific Reports, 2025,15(1):1-8.
  • (Scientific Reports - http://www.nature.com/srep/index.html)
  • Children's Hospital of Philadelphia Researchers Yield New Study Findings on Cancer (Role of genetic modifiers on pulmonary consequences of cancer therapy in children). Cancer Weekly. May 20, 2025; p 730.

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