- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00165256
Wide Excision Alone as Treatment for Ductal Carcinoma in Situ of The Breast
December 5, 2023 updated by: Julia S. Wong, MD, Dana-Farber Cancer Institute
Wide Excision Alone for DCIS-Grades 1 and 2
The purpose of this study is to determine if wide excision (surgical removal) alone is adequate treatment for small, grade 1 or 2 ductal carcinoma in situ (DCIS) of the breast.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Detailed Description
- Patients with DCIS are usually treated with the combination of breast-conserving surgery and radiation therapy or breast-conserving surgery alone. The purpose of this study is to evaluate whether localized low- or intermediate-grade DCIS, diagnosed with modern mammography and careful pathologic evaluation, could be treated with wide excision alone (omission of radiation therapy) and result in acceptably low local recurrence rates.
- Follow-up consists of physical examinations at least every 6 months by the surgeon or radiation oncologist. Mammograms of the affected breast will be obtained every 6 months for 5 years and then annually. Mammograms of the unaffected breast will be performed annually.
Study Type
Interventional
Enrollment (Actual)
158
Phase
- Phase 2
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
-
Massachusetts
-
Boston, Massachusetts, United States, 02115
- Dana-Farber Cancer Institute
-
Boston, Massachusetts, United States, 02115
- Massachusetts General Hospital
-
-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
16 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Patients must have high quality mammogram including magnification views of the area containing suspicious calcifications.
- A specimen radiograph is required. If the specimen radiograph does not assure removal of all suspicious microcalcifications, a post-operative mammogram showing removal of all suspicious calcifications is required.
- The clinical extent of DCIS must be less than or equal to 2.5 cm.
- Grade 1 or 2 DCIS; patients with lobular carcinoma-in-situ (LCIS) in addition to DCIS in the breast are eligible. Negative margins are not required on the LCIS.
- Patients must undergo a wide excision. A re-excision after the initial biopsy might be needed. Complete resection of the area of DCIS with a histologic margin of at least 1 cm must be achieved.
- Patients must be enrolled on this protocol within 3 months of the last surgical procedure.
Exclusion Criteria:
- Patients with invasive carcinoma including microinvasive disease
- Carcinoma found in the sampled lymph nodes if axillary dissection is done
- Patients with nipple discharge
- Patients with adjuvant chemotherapy or Tamoxifen
- Patients with a history of prior malignancies other than squamous or basal cell carcinoma of the skin, or carcinoma in situ of the cervix.
- Patients with a history of ipsilateral or contralateral breast carcinoma or DCIS or simultaneous bilateral DCIS.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Observation (omission of RT)
Wide excision of DCIS; no radiotherapy (RT).
|
Wide excision of DCIS and a minimum of 1cm histologically negative margin of breast tissue
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
To determine if patients with DCIS can be effectively treated with wide excision alone.
Time Frame: TBD-survivorship
|
Using information gathered from follow-up physical examinations and mammography to check for recurrence (DCIS or invasive carcinoma in the breast), DCIS patients treated with wide excision alone will be evaluated.
|
TBD-survivorship
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
To explore whether patients with grade 2 DCIS have a higher breast recurrence than patients with grade 1 DCIS.
Time Frame: TBD-survivorship
|
Using information gathered from follow-up physical examinations and mammography, the exploration of breast recurrences between grade 2 DCIS and grade 1 DCIS patients will be evaluated.
|
TBD-survivorship
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Collaborators
Investigators
- Principal Investigator: Julia Wong, MD, Dana-Farber Cancer Institute
Publications and helpful links
The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.
General Publications
- Wong JS, Kaelin CM, Troyan SL, Gadd MA, Gelman R, Lester SC, Schnitt SJ, Sgroi DC, Silver BJ, Harris JR, Smith BL. Prospective study of wide excision alone for ductal carcinoma in situ of the breast. J Clin Oncol. 2006 Mar 1;24(7):1031-6. doi: 10.1200/JCO.2005.02.9975. Epub 2006 Feb 6.
- Wong JS, Chen YH, Gadd MA, Gelman R, Lester SC, Schnitt SJ, Sgroi DC, Silver BJ, Smith BL, Troyan SL, Harris JR. Eight-year update of a prospective study of wide excision alone for small low- or intermediate-grade ductal carcinoma in situ (DCIS). Breast Cancer Res Treat. 2014 Jan;143(2):343-50. doi: 10.1007/s10549-013-2813-6. Epub 2013 Dec 18.
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start
May 1, 1995
Primary Completion (Actual)
July 1, 2002
Study Completion (Estimated)
November 1, 2024
Study Registration Dates
First Submitted
September 9, 2005
First Submitted That Met QC Criteria
September 9, 2005
First Posted (Estimated)
September 14, 2005
Study Record Updates
Last Update Posted (Estimated)
December 6, 2023
Last Update Submitted That Met QC Criteria
December 5, 2023
Last Verified
December 1, 2023
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Skin Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Neoplasms by Site
- Adenocarcinoma
- Neoplasms, Glandular and Epithelial
- Breast Diseases
- Breast Neoplasms
- Neoplasms, Ductal, Lobular, and Medullary
- Carcinoma in Situ
- Carcinoma
- Breast Carcinoma In Situ
- Carcinoma, Ductal
- Carcinoma, Intraductal, Noninfiltrating
Other Study ID Numbers
- 94-151
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
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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