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A Retrospective Analysis Exploring the Correlation Between COVID-19 and Radiation Pneumonitis in Breast Cancer Radiotherapy

A Retrospective Analysis Exploring the Correlation Between COVID-19 and Radiation Pneumonitis in Breast Cancer Radiotherapy

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500109652
Enrollment
Unknown
Registered
2025-09-23
Start date
2025-10-01
Completion date
Unknown
Last updated
2025-09-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Breast Cancer

Interventions

Observation group:None

Sponsors

Zhejiang Hospital
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Primary breast cancer confirmed by pathology or cytology; 2. Age >= 18 and < 80; 3. Complete and reliable medical history data; 4. Clear positive evidence of COVID-19 infection.

Exclusion criteria

Exclusion criteria: 1. Merged lung tumors; 2. History of chest radiotherapy; 3. Concurrent lung infections of types other than COVID-19 during radiotherapy; 4. Key data missing and lost to follow-up; 5. Other situations deemed unsuitable for enrollment by the investigators.

Design outcomes

Primary

MeasureTime frame
COVID-19 Nucleic Acid test results;—

Secondary

MeasureTime frame
COVID-19 antigen test results;—

Countries

China

Contacts

Public ContactPengyuan Liu

Zhejiang Hospital

oncologyliupengyuan@outlook.com+86 183 6884 6455

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026