- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06008158
Evaluation of a Once Per Day Regimen of Accelerated Partial Breast Irradiation for Improved Breast Appearance in Patients With Low Risk, Hormone Responsive Breast Cancer
Prospective Evaluation of a Once Per Day Regimen of Accelerated Partial Breast Irradiation in Low-Risk, Hormone-Responsive Breast Cancer
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
PRIMARY OBJECTIVES:
I. To establish that APBI delivered once per day (APBI QD) for low-risk breast cancer patients results in acceptable patient-reported cosmetic appearance of the breast at 1 year after completion of APBI QD.
SECONDARY OBJECTIVES:
I. To determine the long-term patient-reported cosmetic appearance of the breast in patients treated with APBI QD.
II. To determine the short-term and long-term physician reported cosmetic appearance of the breast in patients treated with APBI QD.
III. To determine the acute and late patient-reported radiation toxicity of APBI QD.
IV. To determine the acute and late physician-reported radiation toxicity of APBI QD.
V. To determine the cancer control outcomes of APBI QD.
EXPLORATORY OBJECTIVES:
I. To assess the health-related quality of life in patients treated with APBI QD.
II. To determine the long-term blinded physician review of cosmetic appearance of the breast in patients treated with APBI.
III. To assess dosimetric parameters associated with cosmesis in patients undergoing APBI QD.
OUTLINE:
Patients undergo APBI QD on consecutive business days for 5 treatments.
Patients follow up at 1 month, 6 months, and 1 year post-APBI and then yearly until 5 years post-APBI.
Study Type
Enrollment (Estimated)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
California
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Duarte, California, United States, 91010
- Recruiting
- City of Hope Medical Center
-
Principal Investigator:
- Jose G. Bazan
-
Contact:
- Jose G. Bazan
- Phone Number: 626-505-7901
- Email: jbazan@coh.org
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Documented informed consent of the participant and/or legally authorized representative
- Age: >= 40 years
- Female
- Ability to read and understand English or Spanish for questionnaires
- Anatomic pathologic stage 0 (ductal carcinoma in situ [DCIS]) or stage IA (invasive) breast cancer
- Malignancy must be epithelial. Non-epithelial breast malignancies such as lymphoma or sarcoma are not allowed
Tissue from core biopsy or resection must show hormone sensitive receptors. Hormone sensitive receptors are defined as the following:
- - DCIS: Estrogen receptor (ER) positive (>= 60%)
Invasive breast cancer:
- Oncotype DX =< 25 (if performed) OR
If Oncotype DX is not performed an Allred score of 7 or 8. The following combinations of proportion of ER positive cells and staining intensity are allowed:
- ER positive (34-66% of cells) and staining intensity is strong (Allred 7)
- ER positive (>= 67% of cells) and staining intensity is intermediate (Allred 7)
- ER positive (>= 67% of cells) and staining intensity is strong (Allred 8)
- Tissue from core biopsy or resection must be HER2 negative by current American Society of Clinical Oncology (ASCO)/College of American Pathologists (CAP) guidelines
- Patients must have undergone breast conserving surgery with resulting negative surgical margins (no tumor on ink). Re-excision for negative margins is allowed. Patients with pathologically involved surgical margins are excluded
- Patients must have pathologic Tis or T1 disease
- Patients with invasive breast cancer, including patients with microinvasion, must have undergone surgical staging of the axilla (sentinel lymph node biopsy or axillary lymph node dissection) and have pathologically confirmed uninvolved lymph nodes. All lymph nodes must be pathologically negative (pN0[i-]). pN0(i+), pN1mic, pN1-pN3 axillary lymph nodes are not allowed Although an axillary lymph node dissection is not anticipated for low-risk ER positive breast cancers, axillary lymph node dissection is permissible
- Patient must have physician-reported "excellent" or "good" cosmesis post-lumpectomy and prior to radiation therapy based on the 4-point Global Cosmetic Score
Women of childbearing potential (WOCBP): Negative urine or serum pregnancy test.
- If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required
Agreement by females of childbearing potential* to use an effective method of birth control or abstain from heterosexual activity for the course of the study through at least 1 month after the last dose of protocol therapy
- Childbearing potential is defined as not being surgically sterilized or have not been free from menses for > 1 year
Exclusion Criteria:
- Any prior treatment with radiation therapy, anti-endocrine/hormone therapy, chemotherapy or biologic therapy for the currently diagnosed breast cancer PRIOR to surgical resection
- Prior radiation to the region of the involved breast that in the opinion of the investigator would preclude partial breast irradiation
- Clinically significant uncontrolled illness
- Diagnosis of Paget's disease of the nipple
- Other prior or active malignancy. Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial
- Pregnant or breastfeeding
- Prospective participants who, in the opinion of the investigator, may not be able to comply with all study procedures (including compliance issues related to feasibility/logistics)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Supportive care (APBI)
Patients undergo APBI QD on consecutive business days for 5 treatments.
|
Undergo APBI
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of women that rate the cosmetic appearance of the breast as acceptable ("excellent" or "good")
Time Frame: At 1 year post accelerated partial breast irradiation once daily (APBI QD)
|
Measured by the 4-point Global Cosmetic Score (GCS).
The exact test will be used to test the hypothesis that the rate of cosmesis is >= 90% versus the null hypothesis that cosmesis is 74% or lower, at the 5% significance level.
|
At 1 year post accelerated partial breast irradiation once daily (APBI QD)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Cosmetic outcome by the patient post-APBI QD
Time Frame: Over time at baseline, day 5, 1 month, 6 months, 1 year, 2 years and 3 years
|
Measured by the GCS.
Will be summarized and the percent and 95% confidence limits of the estimate will be calculated.
Will also examine at cosmesis scores over time using analysis of variance (ANOVA).
|
Over time at baseline, day 5, 1 month, 6 months, 1 year, 2 years and 3 years
|
Cosmetic outcome assessed by the physician post-APBI QD
Time Frame: At 1 year
|
Measured by the GCS.
Will explore also examine change in scores over time using ANOVA.
Appropriate graphical methods will be used for visualization.
Association between the assessment rating of cosmetic outcome based on photographic image by medical doctor (MD) and blinded reviewers will be calculated at each time point using Pearson's product-moment correlation coefficient.
|
At 1 year
|
Cosmetic outcome assessed by the physician post-APBI QD
Time Frame: Over time at baseline, day 5, 1 month, 6 months 1 year, 2 years and 3 years
|
Measured by the GCS.
Will explore also examine change in scores over time using ANOVA.
Association between the assessment rating of cosmetic outcome based on photographic image by MD and blinded reviewers will be calculated at each time point using Pearson's product-moment correlation coefficient.
|
Over time at baseline, day 5, 1 month, 6 months 1 year, 2 years and 3 years
|
Incidence of adverse events-patients reported
Time Frame: Up to 3 years post-APBI
|
Scored by the Patient-Reported Outcome Common Terminology Criteria for Adverse Events (CTCAE).
Will be summarized using standard methods.
|
Up to 3 years post-APBI
|
Incidence of adverse events-treatment team reported
Time Frame: Up to 3 years post-APBI
|
As scored by the treatment team using CTCAE version 5.0.
Will be summarized using standard methods.
|
Up to 3 years post-APBI
|
In-breast recurrence
Time Frame: Up to 5 years post-APBI QD
|
The Kaplan-Meier method will be used along with 95% confidence intervals.
|
Up to 5 years post-APBI QD
|
Regional recurrence
Time Frame: Up to 5 years post-APBI QD
|
The Kaplan-Meier method will be used along with 95% confidence intervals.
|
Up to 5 years post-APBI QD
|
Distant metastases
Time Frame: Up to 5 years post-APBI QD
|
The Kaplan-Meier method will be used along with 95% confidence intervals.
|
Up to 5 years post-APBI QD
|
Disease-free survival
Time Frame: Up to 5 years post-APBI QD
|
The Kaplan-Meier method will be used along with 95% confidence intervals.
|
Up to 5 years post-APBI QD
|
Overall survival
Time Frame: Up to 5 years post-APBI QD
|
The Kaplan-Meier method will be used along with 95% confidence intervals.
|
Up to 5 years post-APBI QD
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Jose G Bazan, City of Hope Medical Center
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
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
- 23037 (Other Identifier: City of Hope Comprehensive Cancer Center)
- P30CA033572 (U.S. NIH Grant/Contract)
- NCI-2023-05718 (Registry Identifier: CTRP (Clinical Trial Reporting Program))
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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