One-Week radiation for breast cancer lymph nodes could be as effective as three weeks

NCT ID NCT07527689

Recruiting now Disease control Sponsor: Ruijin Hospital Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jul 01, 2026 · Updated 2 times

Summary

This study compares a one-week ultra-hypofractionated radiation regimen (26 Gy in 5 fractions) to the standard three-week moderate hypofractionated regimen (40 Gy in 15 fractions) for treating lymph nodes after breast cancer surgery. The goal is to see if the shorter course is just as effective at preventing cancer recurrence while reducing treatment burden. About 1,950 participants will be enrolled to evaluate safety and outcomes.

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Conditions

The condition(s) this trial relates to.

breast cancer breast neoplasm invasive breast carcinoma

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BREAST CANCER

Contacts and locations

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Study contacts

Contact

Email: •••••@•••••
Contact

Phone: •••-•••-•••• Email: •••••@•••••

Locations

Ruijin Hospital, Shanghai Jiaotong University School of Medicine
RECRUITING

Shanghai, China

Contact Phone: •••-•••-•••• Email: •••••@•••••