Prospective Evaluation of Breast-Conserving Surgery Alone in Low-Risk Ductal Carcinoma in Situ (DCIS)
Recruiting
Observational Study
DCIS
No Placebo Group
Every participant receives an active treatment — no one gets a placebo.
No Study Drug
Researchers observe your health over time — no experimental treatment is given.
At a Glance
- Age
- 46 and older
- Sex
- Female
- Study type
- Observational
- Participants needed
- 526 (estimated)
- Sponsor
- Ontario Clinical Oncology Group (OCOG) · Other
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About This Trial
To evaluate whether the combination of clinicopathological factors and the use of the Oncotype DX DCIS score can avoid radiation in women with low risk DCIS who have had breast conserving surgery (BCS)
Trial Locations
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Eligibility Criteria
Inclusion Criteria:
1. Female patient \> 45 years of age with DCIS without microinvasion.
2. Tumour size ≤ 2.5cm.
3. Treated by BCS with clear resection margins ≥ 2 mm or no residual disease on re-excision.\*
\* Patients with anterior margins and posterior margins ≥1 mm are eligible. Or if the …
Contacts