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Study identifier: NCT04291378 Synced from ClinicalTrials.gov · August 08, 2026
● Study status: Recruiting

The DBCG Proton Trial: Photon Versus Proton Radiation Therapy for Early Breast Cancer

Condition: Early Breast Cancer · Radiation Associated Cardiac Failure  ·  Sponsor: Danish Breast Cancer Cooperative Group

PhaseNA
Planned participants1502
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNoCheck eligibility criteria ↓
Where8 locations

Interested? Contact the study team ↓

Sponsor, CRO or site team? See where this study is running → — listed sites, countries and recruiting context. Everything below is written for patients and caregivers.

About this study

The majority of early breast cancer patients are treated with adjuvant radiation therapy (RT) as part of their multimodal therapy. The aim of the RT is to lower the risk of local, regional and distant failure and improve survival. Modern RT is been provided with photon therapy. Now, more proton therapy facilities are opened, including in Denmark. Proton RT may have the potential to cause lower dose to heart and lung during breast RT. This trial will randomise patients between standard photon RT versus experimental proton RT. The primary endpoint is 10 year risk of heart disease.

This description comes directly from the study's public registry record.

Talk to the study team

Birgitte V Offersen, phd  ·  +45 28838012  ·  birgoffe@rm.dk

Morten Høyer, phd  ·  +45 23282823  ·  morthoey@rm.dk

There is no obligation to join — the study team can answer your questions about taking part.

Always discuss trial participation with your own doctor first.

Full eligibility criteria (exactly as the study team wrote them)

Inclusion Criteria: * Patient operated for early breast cancer with indication for radiation therapy, where standard planning shows a mean heart dose 4 Gy or more and/or a V20 lung of 37% or more. * Boost (breast, chest wall and nodal), breast reconstruction (any type, except implants with metal), connective tissue disease, post-operative surgical complications, any breast size and seromas are allowed * Patient with previous non-breast malignancy is accepted if the patient has been without disease minimum 5 years, and the treating oncologist estimates a low risk of recurrence. * Life expectancy minimum 10 years Exclusion Criteria: * previous breast cancer/ductal carcinoma in situ, * Previous RT to the chest region * Pregnant or lactating * Conditions indicating that the patient cannot go through the RT or follow up * Patients with Pacemaker or defibrillator are excluded until a guideline for handling them has been developed at the DCPT * Unknown non-tissue implants upstream of the target volume. NB. all such non-tissue, non-metal objects must be delivered to the DCPT for stopping power determination and evaluation at least a week prior to radiation start. * Metal implants in the radiation area, including metal in implants.

Reproduced word-for-word from the public registry record — the study team can answer questions about it.

Locations (8)

Aalborg University HospitalAalborg, DenmarkRecruiting
Aarhus University HospitalAarhus, DenmarkRecruiting
The Danish Breast Cancer Cooperative GroupCopenhagen, DenmarkNot Yet Recruiting
RigshospitaletCopenhagen, DenmarkRecruiting
Herlev HospitalHerlev, DenmarkRecruiting
Naestved HospitalNæstved, DenmarkRecruiting
Odense University HospitalOdense, DenmarkRecruiting
Vejle HospitalVejle, DenmarkRecruiting

More studies in these areas

This study lists sites in the areas below. Each link shows other recruiting studies near that city, from the public registry record.

AalborgAarhusHerlevNæstved

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