CI

At a glance

ClinicalIndex Comparison Record
N/ARecruiting· 60 target
Drug / intervention
Multiple Fraction PBI +1 moreradiation
Likely dose
Not stated in record
Key inclusion· 8
  • Female participants age 40 or older
  • Able to provide informed consent
  • pTis-2 pN0 cM0 breast cancer with tumor size <3 cm
  • Able to complete participant reported outcomes independently or with assistance
Key exclusion· 12
  • History of non-breast malignancies except adequately treated non-melanoma skin cancers or in situ cancers treated by local excision or other cancers curatively treated with ≥5 years disease-free
  • Uncontrolled concurrent malignant cancer
  • Seroma not visible
  • Ipsilateral implanted cardiac device

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT06885671
NCT06885671N/ARecruitingOn Track

Phase II Single vs Hypofractionated Irradiation For Timely Access to Partial Breast Radiotherapy: SHIFT-PB

British Columbia Cancer Agency·interventional·Posted Mar 20, 2025·Updated Jun 23, 2026

In Brief

A clinical study evaluating Multiple Fraction PBI and Single Fraction PBI for Breast Cancer Early Stage Breast Cancer (Stage 1-3). Currently recruiting, targeting 60 participants across 1 site.

Detailed Summary

Partial Breast Irradiation (PBI) is a targeted radiation approach commonly administered post-lumpectomy, specifically targeting the tumour bed. This targeted therapy reduces the exposure to other nearby tissues such as lungs, heart, and chest wall. However, traditional PBI treatment involves lengthy multiple fraction courses which presents a burden to patients from rural and remote communities, who must travel long distances to receive high quality cancer care. The purpose of this study is to compare single fraction (SF) PBI vs. multiple fraction (MF) PBI.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesCanada
Collaborators--

Timeline

N/ARecruiting
20262027202820292030
First PostedMar 20, 2025
Enrollment StartJun 8, 2026
Primary CompletionDec 31, 2029
TodayJul 2, 2026
Enrollment to primary: 3.6 yearsPosted 1.3 years agoPrimary completion in 3.5 years

Arms & Interventions

Multiple Fraction PBI (Arm 1)active_comparator

For participants randomized to Arm 1, PBI will be delivered with a dose of 26 Gy in 5 daily fractions.

Radiation: Multiple Fraction PBI
Single Fraction PBI (Arm 2)experimental

For participants randomized to Arm 2, PBI will be delivered in a single fraction with a dose of 13 Gy.

Radiation: Single Fraction PBI

Interventions

Multiple Fraction PBIradiation

Participants randomized to Arm 1 will receive PBI with a dose of 26 Gy in 5 daily fractions.

Single Fraction PBIradiation

Participants randomized to Arm 2 will receive PBI in a single fraction with a dose of 13 Gy.