NCT07188116

Correlation Between COVID-19 and Radiation Pneumonitis in Breast Cancer

Correlation Between COVID-19 and Radiation Pneumonitis in Breast Cancer: A Historical Cohort Study

• Status: Not Yet Recruiting
• Phase: —
• Study type: Observational
• Enrollment: 200 (estimated)
• Sponsor: Zhejiang Hospital · Academic / Other
• Sex: Female
• Age: 18 Years – 80 Years
• Healthy volunteers: Not accepted

Summary

This study was designed as a single-center retrospective analysis aimed at investigating whether COVID-19 infection increases the risk or burden of radiation-induced pneumonitis in breast cancer patients.

Detailed description

This study was designed as a single-center retrospective analysis aimed at investigating whether COVID-19 infection increases the risk or burden of radiation-induced pneumonitis in breast cancer patients. Breast cancer patients who underwent radiotherapy at the Cancer Center of Zhejiang Hospital between January 1, 2021, and June 30, 2024, were screened for eligibility. Patients who met the inclusion criteria were identified through the hospital information system, and their clinical records were reviewed. Follow-up was conducted via telephone interviews.

Conditions

• Breast Cancer
• Radiation Pneumonia
• COVID-19

Interventions

Type	Name	Description
OTHER	COVID-19	The COVID-19 infection situation was used as an intervention measure, and the cohort was divided into groups.

Timeline

• Start date: 2025-09-15
• Primary completion: 2025-12-31
• Completion: 2025-12-31
• First posted: 2025-09-23
• Last updated: 2025-09-23

Locations

1 site across 1 country: China