🏛️ Verified NIH Record • Updated 2026-06-15

Hypofractionated LocoRegional Radiotherapy in Breast Cancer (NCT04228991)

Randomized Trial of Hypofractionated LocoRegional Radiotherapy in Breast Cancer and Lymphedema (RHEAL)

🔵 Active, Not Recruiting Phase3 📋 Clinical Research Protocol Sponsor: Ontario Clinical Oncology Group (OCOG)

🩺 Plain-English Summary (8th-Grade Level)

The primary objective of this study is to determine if hypofractionated RT delivered over 1 week to the breast or chest wall and regional nodes (26Gy in 5 daily fractions) following BCS or mastectomy, is non-inferior to conventional fractionation to the breast or chest wall and regional nodes delivered over 3 weeks (40Gy in 15 daily fractions) in patients with node-positive breast cancer.

Who can join: Review the eligibility criteria below.

Location: Tom Baker Cancer Centre — Calgary, Alberta

Age range: 18 Years

🧪 Interventions in This Study

  • Locoregional radiation treatment - Conventional fractionation (RADIATION)
  • Locoregional radiation treatment - Hypofractionation (RADIATION)

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (20 Sites)

  • Tom Baker Cancer Centre — Calgary, Alberta
  • Cross Cancer Institute — Edmonton, Alberta
  • BC Cancer - Centre for the Southern Interior — Kelowna, British Columbia
  • BC Cancer - Centre for the North — Prince George, British Columbia
  • BC Cancer - Vancouver Centre — Vancouver, British Columbia
  • BC Cancer - Vancouver Island Centre — Victoria, British Columbia
  • Northeast Cancer Centre, Health Sciences North — Greater Sudbury, Ontario
  • Juravinski Cancer Centre — Hamilton, Ontario
  • London Regional Cancer Program — London, Ontario
  • The Ottawa Hospital Regional Cancer Centre — Ottawa, Ontario
  • Sunnybrook Health Sciences Centre - Odette Cancer Centre — Toronto, Ontario
  • Princess Margaret Cancer Centre - UHN — Toronto, Ontario
  • Hotel-Dieu de Lévis (CISSS CA) — Lévis, Quebec
  • CIUSSS de l'Est-de-l'Île de Montréal, Hôpital, Maisonneuve-Rosemont — Montreal, Quebec
  • McGill University Health Centre-Cedars Cancer Centre — Montreal, Quebec
  • CHUM - Centre Hospitalier de L'Universite de Montreal — Montreal, Quebec
  • CHU-de Québec-Université de Laval — Québec, Quebec
  • Sherbrooke University Hospital Centre — Sherbrooke, Quebec
  • Allan Blair Cancer Centre — Regina, Saskatchewan
  • Saskatoon Cancer Centre — Saskatoon, Saskatchewan

💰 Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA § 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

Explore by condition: All Breast Neoplasms clinical trials

💡 How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
🏛️ View Official NIH Record ↗