- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04052893
DFS and QOL After Modified Radical Mastectomy vs. Expanded Mckissock Surgery for EIC of the Breast
Postoperative Disease-free Survival and Quality of Life After Modified Radical Mastectomy Versus Expanded Mckissock Surgery for Extensive Intraductal Carcinoma of the Breast: a Prospective Cohort Study Protocol
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Extensive intraductal carcinoma of the breast refers to a type of breast cancer in which ≥ 25% of ductal carcinoma in situ is present in invasive tumors and there is a scattered distribution of ductal carcinoma in situ (DCIS) in or around the invasive carcinoma. Studies have shown that patients with DCIS positive for extensive intraductal component have more residual tumors than patients with DCIS negative for extensive intraductal component. There are still many subclinical tumors in the residual mammary gland after removal of the main invasive tumor foci. This provides the condition for tumor recurrence after breast-conserving surgery, and the risk of tumor recurrence in DCIS positive for extensive intraductal component is 2.52 times that in DCIS negative for extensive intraductal component. Compared with DCIS negative for extensive intraductal component, DCIS positive for extensive intraductal component is not sensitive to radiotherapy.
Mckissock surgery is originated from a breast reduction surgery developed by American doctors in 1970, which can remove glands to the maximum extent. This technique was applied to breast-conserving surgery in 2016, which initiated the application of this operation in malignant tumors. Jianyi Li and the team members (Shengjing Hospital of China Medical University, Shenyang, China) first applied expanded Mckissock surgery in breast-conserving surgery with the nipple-areola complex preserved. This surgical technique is suitable for low-grade malignant tumors. This surgical technique has been performed in 30 patients and results showed that the expanded Mckissock surgery has better prognosis than radical mastectomy. Therefore, this prospective cohort study will compare the postoperative disease-free survival and quality of life between modified radical mastectomy and expanded Mckissock surgery.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Liaoning
-
Benxi, Liaoning, China, 117000
- Recruiting
- General Hospital of Benxi Iron & Steel Industry Group of Liaoning Health Industry Group
-
Contact:
- Qiang Sun, MS
- Phone Number: 13390358188
- Email: sq1338@hotmail.com
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Principal Investigator:
- Qiang Sun, MS
-
Shengyang, Liaoning, China, 110042
- Recruiting
- Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute
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Shenyang, Liaoning, China, 110004
- Recruiting
- Shengjing Hospital of China Medical University
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients with extensive intraductal carcinoma confirmed by hollow needle biopsy;
- the lesion not involving the nipple as confirmed by enhanced MR imaging of the breast;
- Bra cup size: B or higher;
- postmenopausal patients;
- provision of written informed consent.
Exclusion Criteria:
- The cutting edge of nipple-areola complex tested positive for extensive intraductal carcinoma twice;
- preoperative nipple hemorrhage;
- bilateral breast cancer;
- inflammatory breast cancer;
- distant metastasis;
- other cancers or those who receive chest radiotherapy.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Study group
100 patients will be assigned into a study group.
|
Expanded Mckissock surgery: (1) According to patient's preoperative imaging results and subjective expectations of their own breast morphology, the incision design and breast surface marking will be performed under the standing position.
(2) After general anesthesia, the upper limbs will be abducted, and the upper body will be tilted by 15°-20° to dermatize the labeled skin around and below the areola.
(3) The medial and lateral flaps will be dissociated to remove the total gland with nipple and areola preserved.
(4) The cutting-edge of nipple-areola complex will be sent for cancer screening.
The axillary lymph node biopsy or cleaning will be performed along the outer edge of the pectoralis major muscle.
(5) The vertical subcutaneous pedicle flaps will be W-folded, and the flaps on both sides will be pulled to the vertical pedicle to reshape the breast.
During this process, the breast and armpit drainage tubes will be indwelled.
|
Active Comparator: Control group
100 patients will be assigned into a control group.
|
The patients will be placed in the supine position.
After intravenous anesthesia, the tumor boundary will be marked and the breast will be removed.
The vertical subcutaneous pedicle flaps will be W-folded, and the flaps on both sides will be pulled to the vertical pedicle to reshape the breast.
During this process, the breast and armpit drainage tubes will be indwelled.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Disease-free survival.
Time Frame: 5 years
|
Disease-free survival refers to the time from surgical resection of breast cancer to clinically confirmed local recurrence, distant metastasis, second primary tumor diagnosis, or patient death.
|
5 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
European Organization for Research and Treatment of Cancer (EORTC) Breast Cancer-Specific Quality of Life Questionnaire (QLQ-BR23) scale
Time Frame: 5 years
|
The QLQ-BR23 scale will evaluate the quality of life.
The QLQ-BR23 scale consists of 23 items with a full score of 92.
Higher score indicates poor quality of life.
|
5 years
|
Breast symmetry
Time Frame: 5 years
|
The symmetry of reconstructed breast will be evaluated using Harris score.
The Harris score was described by Harris et al. (Int J Radiat Oncol Biol Phys 1979; 5: 257- 261.)
It will be divided into four levels: excellent, good, fair, and poor.
|
5 years
|
Medical cost
Time Frame: During hospitalization, an average of 2 weeks
|
Including medical insurance and commercial insurance reimbursement.
|
During hospitalization, an average of 2 weeks
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
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
- Shengjing-LJY02
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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