- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01791829
A Prospective Cohort Study Evaluating Risk of Local Recurrence Following Breast Conserving Surgery and Endocrine Therapy in Low Risk Luminal A Breast Cancer (LUMINA)
Study Overview
Status
Conditions
Detailed Description
The independent prognostic ability of the luminal A subtype has been demonstrated in two retrospective analyses of prospective trials and suggests that luminal A combined with other known clinical prognostic factors could be used to select patients treated with BCS at very low risk for IBTR who could avoid BI. Given that using intrinsic subtyping combined with other clinical factors to identify women who could avoid BI would be a major change in clinical practice, we propose that a prospective study is necessary to confirm that such an approach can accurately identify a group of women at very low risk for IBTR following BCS.
We anticipate that the risk of IBTR in the low risk group is likely to be lower than that observed in previous trials (predicted to be < 5% at 5 years and < 10% at 10 years) for several reasons: first, our selection criteria (node negative, luminal A, > or = 55 years, tumours < or = 2cm, excision margin > or = 1mm post-BCS, absence of lobular cancers, extensive intraductal component and lymphovascular invasion) are more restrictive than in previous trials and second, the risks of IBTR are steadily decreasing over time due to improvements in mammographic screening, pre-op staging, tumour localization, and surgical practice. The expected low failure rates are unlikely to warrant the use of radiation.
A prospective cohort study was identified as the most appropriate and efficient design as our primary hypothesis is that a group of patients at very low risk of IBTR can be identified. A randomized trial could address the effectiveness of radiation in such a cohort of patients, but would require a much larger sample size to detect very small differences, which would not be clinically meaningful. During the conduct of this trial it is anticipated that patients who do not meet study criteria or who decline study enrollment, will continue to receive BI after BCS.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Alberta
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Calgary, Alberta, Canada, T2N 4N2
- Tom Baker Cancer Centre
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British Columbia
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Abbotsford, British Columbia, Canada, V2S 0C2
- Abbotsford Centre
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Prince George, British Columbia, Canada, V2M 7E9
- BC Cancer Agency, Centre for the North
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Vancouver, British Columbia, Canada, V5Z 4E6
- BCCA - Vancouver Centre
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Victoria, British Columbia, Canada, V9R 6V5
- BC Cancer Agency
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Manitoba
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Winnipeg, Manitoba, Canada, R3E 0V9
- Cancer Care Manitoba
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Ontario
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Barrie, Ontario, Canada, L4M 6M2
- Royal Victoria Regional Health Centre
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Hamilton, Ontario, Canada, L8V 1C3
- Juravinski Cancer Centre
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Kingston, Ontario, Canada
- Cancer Centre of Southern Ontario at Kingston
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Kitchener, Ontario, Canada, N2G 1G3
- Grand River Regional Cancer Centre
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London, Ontario, Canada, N6A 4L6
- London Regional Cancer Centre
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Oshawa, Ontario, Canada, L1G 2B9
- R.S. McLaughlin Durham Regional Cancer Centre
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Ottawa, Ontario, Canada, K1H 8L6
- Ottawa Regional Cancer Centre
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Sault Ste. Marie, Ontario, Canada, P6B 0A8
- Algoma District Cancer Program
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St. Catharines, Ontario, Canada, L2S 0A9
- Niagara Health System
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Sudbury, Ontario, Canada, P3E 5J1
- Northeastern Ontario Regional Cancer Centre
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Thunder Bay, Ontario, Canada, P7B 6V4
- Thunder Bay Regional Health Sciences
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Toronto, Ontario, Canada, M4N 3M5
- Sunnybrook Health Sciences Centre
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Toronto, Ontario, Canada, M5G 1Z6
- Princess Margaret Cancer Centre
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Quebec
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Laval, Quebec, Canada, H7M 3L9
- Centre integre de sante et de services sociaux de laval (CISSS de Laval)
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Montreal, Quebec, Canada, H4A 3J1
- McGill University Health Centre
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Montreal, Quebec, Canada, H2L 4M1
- CHUM - Hopital Notre Dame
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Montreal, Quebec, Canada, H3T1E2
- The Jewish General Hospital
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Quebec city, Quebec, Canada, G1R 2J6
- CHUQ - Pavillon Hotel-Dieu de Quebec
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Sherbrooke, Quebec, Canada, J1H 5N4
- CHUS - Hôpital Fleurimont
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Saskatchewan
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Regina, Saskatchewan, Canada, S4T 7T1
- The Allan Blair Cancer Centre
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Saskatoon, Saskatchewan, Canada, S7N 4H4
- Saskatoon Cancer Centre
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Female patient > or = 55 years of age with a new diagnosis of invasive carcinoma of the breast (ductal, tubular or mucinous only) with primary tumour < or =2cm on microscopic exam, with no evidence of metastatic disease;
- ER positive (> or =1%) and PR positive (>20%) and HER2 negative (Immunohistochemical (IHC) or In Situ Hybridization (ISH) approach);
- Treated by BCS with microscopically clear resection margins > or = 1mm for invasive and non-invasive disease or no residual disease on re-excision;
- Negative axillary node involvement determined by sentinel node biopsy or axillary node dissection.
Exclusion Criteria:
- Clinical or pathological evidence of T4 disease (i.e. extension to chest wall, skin involvement, peau d'orange, or inflammatory breast cancer).
- Multifocal or multicentric disease.
- Evidence of an extensive intraductal component (defined as a tumour that is composed of 25% or more of DCIS and the DCIS extends beyond the gross dimensions of the tumour), or disease limited to micro invasion only.
- Grade 3 histology for invasive disease
- Evidence of lymphovascular invasion.
- Evidence of disease on pre-operative mammogram, aside from primary cancer treated by breast conserving surgery.
- Bilateral malignancy of the breast (synchronous or metachronous).
- Known BRCA 1 or 2 mutations.
- History of non-breast cancer malignancies if not disease free for > 5 years and considered low risk of recurrence with the exception of treated carcinoma in-situ of the cervix, endometrium or colon, melanoma in-situ and basal or squamous cell carcinoma of the skin.
- Serious non-malignant disease associated with a life expectancy < 10 years.
- Inability to be treated with or to tolerate endocrine therapy.
- Psychiatric or addictive disorder, which would preclude obtaining informed consent or adherence to protocol.
- Geographic inaccessibility for follow-up.
- Inability to understand or unable to provide written informed consent.
- Inability to be registered on study within 12 weeks of the last surgical procedure on the breast.
- Central testing for Ki67 > 13.25% consistent with the luminal B subtype
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
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Luminal A with other Clinical Criteria
BCS postulated to be at low risk for IBTR following Endocrine Therapy
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Ipsilateral Breast Tumour Recurrence (IBTR)
Time Frame: 5 years
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The primary outcome is IBTR defined as recurrent invasive or in-situ cancer in the ipsilateral breast during follow-up.
Histological evidence of recurrence will be required.
All recurrences will be reviewed by a central adjudication committee.
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5 years
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Recurrence Free interval (RFI)
Time Frame: 5 years
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Recurrence free interval (RFI) defined as time from registration to time of documented recurrent disease (ipsilateral breast, regional or distant)
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5 years
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Event-free survival (EFS)
Time Frame: 5 years
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Event-free survival (EFS) defined as the time from registration to the time of documented IBTR, regional (ipsilateral axilla, supraclavicular or internal mammary nodes), distant recurrence (bone, liver, lung, brain, etc.), contralateral breast cancer, new primary cancer or death
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5 years
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Overall survival (OS)
Time Frame: 5 years
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Overall survival (OS) defined as time from registration to death of any cause
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5 years
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Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Tim Whelan, MD, Ontario Clinical Oncology Group (OCOG)
- Principal Investigator: Sally Smith, MD, British Columbia Cancer Agency (BCCA)
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- OCOG-2012-LUMINA
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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