Status:

UNKNOWN

Oncotype DX DCIS: Impact on Radiotherapy Decision Making

Lead Sponsor:

Royal Marsden NHS Foundation Trust

Conditions:

Breast Cancer

Eligibility:

FEMALE

Phase:

NA

Brief Summary

Prospective single centre study of patients with DCIS that have undergone breast conservation surgery.

Detailed Description

This is a single centre (Royal Marsden Hospital - Chelsea and Sutton) non-randomised trial investigating whether the Oncotype DX DCIS score changes the radiotherapy recommendation made by clinical onc...

Eligibility Criteria

Inclusion

  • Confirmed diagnosis of DCIS
  • DCIS treated with breast conserving surgery

Exclusion

  • Prior treatment for DCIS or invasive breast cancer in ipsilateral breast.
  • Patients with contra-indications to radiotherapy, including prior breast radiotherapy
  • Patients who undergo mastectomy for DCIS
  • Age \< 45 years old
  • Patients with \> 25mm DCIS
  • Patients with multifocal DCIS (defined as more than 1 distinct focus of DCIS with at least 50mm of intervening benign tissue)
  • Patients with invasive (including microinvasion) disease
  • Patients with positive axillary nodal disease (including isolated tumour cells)
  • Patients with close (\<1mm) or positive radial margins (unless maximally surgically excised or no further DCIS on re-excision)
  • Patients recommended adjuvant endocrine therapy

Key Trial Info

Start Date :

July 7 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

December 31 2023

Estimated Enrollment :

78 Patients enrolled

Trial Details

Trial ID

NCT06046664

Start Date

July 7 2020

End Date

December 31 2023

Last Update

September 21 2023

Active Locations (1)

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Page 1 of 1 (1 locations)

1

The Royal Marsden NHS Foundation Trust

London, United Kingdom, SW3 6JJ