HER2-positive Breast CancerNCT03460067
Omission of Radiation in Patients With Her-2 Positive Breast Cancer
A study testing Omission of Radiation in people with HER2-positive Breast Cancer, run by University of Kansas Medical Center at 1 site in United States.
Trial summary
The primary objective of this study is to describe the rate of local control in patients with her-2 positive early stage breast cancer with a complete response to chemotherapy and lumpectomy alone. Read more about this study
- Who is it for?
- Ages 40 years and older, women only
- Conditions the study is for
- HER2-positive Breast Cancer
- What is being tested?
- Omission of Radiation
- Type of treatment
- Surgery or procedure
- Could I receive a placebo?
- No, everyone receives an active treatment
- How many people
- 12 participants
- Where
- 1 siteUnited States
- Study dates
- 23 Feb 2018to 16 Jul 2027
- Phase
- Interventional
- Are there results?
- Not yet: the study is under way
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 40 years and older
- Women only
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- Ability to understand and the willingness to sign a written informed consent.
- Karnofsky Performance Status 50% to 100% (Appendix A).
- Women 40 years of age or older with a diagnosis of invasive ductal carcinoma
- Her-2 3+ or FISH ratio of 2.2 or higher, background gene expression with normal copy number
- Only postmenopausal women will be eligible. Subjects will be classified as being postmenopausal if they have had:
- No spontaneous menses > 1 year, or
Show all 15Show fewer
- Bilateral surgical oophorectomy, or
- No menses for < 1 year with FSH and estradiol levels in according to institutional standards
- cT1-2N0 on clinical staging (verified to have no suspicious axillary or internal mammary nodes on MRI or ultrasound)
- Undergo neoadjuvant chemotherapy with a trastuzumab based regimen prior to surgery and plan for completion of one year of trastuzumab
- Patients are required to undergo lumpectomy with sentinel lymph node biopsy
- Pathologic review shows no evidence of residual disease in the tumor bed (to also include no evidence of residual DCIS)
- Tumor bed should be no larger than 5 cm in size on pathologic review
- Fibrotic area of prior tumor located at least 3 mm away from surgical margins
- No evidence of treatment related change in the lymph nodes on pathologic review
Who cannot join
- Diagnosis of inflammatory breast cancer
- Previously diagnosed malignancy excluding basal or squamous cell carcinoma of the skin (unless disease-free for 5 years or more)
- Diagnosis of metastatic disease
Trial locations and contacts
1 site in 1 country.
United States1 site
University of Kansas Medical Center/ Cancer Center
Kansas City, Kansas, 66190
About this study
Official title: Selective Use of Observation After Lumpectomy and Sentinel Lymph Node Biopsy in Her-2 Positive Patients With Pathologic Complete Response to Neoadjuvant Chemotherapy
The primary objective of this study is to describe the rate of local control in patients with her-2 positive early stage breast cancer with a complete response to chemotherapy and lumpectomy alone.
Read the detailed description
Participants, ages 40 and older diagnosed with stage I or stage II her-2 positive, node negative breast cancer patients will be recommended to continue trastuzumab +/- pertuzumab therapy after surgery to complete a full year of therapy as standard of care under the clinical management of the patient's medical oncologist.
Once neoadjuvant chemotherapy has been completed, the patient will be separated in to one of three arms based on a set of criteria for each. If the patient wishes to take part in the study, but does not have a lumpectomy with sentinel lymph node biopsy showing pCR, the patient will be placed in to Arm C and will proceed with radiation as standard of care. If the patient wishes to take part in the study, and has a lumpectomy with sentinel lymph node biopsy showing pCR, but does not agree to omission of radiation, the patient will be placed in to Arm B and will proceed with radiation as standard of care. If the patient wishes to take part in the study, and has a lumpectomy with sentinel lymph node biopsy showing pCR and agrees to omission of radiation, the patient will be placed in to Arm A with follow up assessments occuring at 1 month post-op, and every 3 months up to 5 years post-op.
Data will be collected on local, regional and distant recurrence at each follow-up.The self-administered FACT-B+4 quality of life questionnaire will be given to patients at baseline, at first postoperative visit, and at the one year post-operative visit.
Patients enrolling prior to chemotherapy will be asked to fill out the Breast-Q™ at the time of their first surgical consultation. Patients enrolled post-surgery will be asked to fill out the Breast-Q™ at their first post-operative visit. All patients will be asked to fill out the Breast-Q™ at their yearly postoperative visits. The Breast-Q™ is a validated patient assessment of breast cosmesis. This tool has both pre operative and post-operative components. Pre-operative Breast-Q™ questionnaire data is not required of participants in this study who enroll postoperatively.
- Conditions
- HER2-positive Breast Cancer
- Being tested
- Omission of Radiation
- Keywords
- omission of radiation, trastuzumab, pertuzumab, biospecimen collection, lumpectomy
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Omission of RadiationRadiation
No Radiation will be given. 1 year of trastuzumab +/- pertuzumab treatment will be given with 5 years of follow up occurring every 3 months to check for recurrence
| Study group | Role | What they receive |
|---|---|---|
| Arm A | Experimental | Patient is required to have lumpectomy with sentinel lymph node biopsy shows pCR and will complete 1 year of trastuzumab +/- pertuzumab treatment. No radiation, or an omission of radiation, will be given on this arm, including external beam, brachytherapy or intraoperative radiation. Patients will be required to follow up with a medical, surgical, or radiation oncologist every 3 months for 5 years. At these follow up visits, a physical exam will be performed to assess for any disease recurrence. Screening mammogram or MRI is recommended every 6 months for patients on this arm. Receives: Radiation: Omission of Radiation |
| Arm B | No intervention | Patient is required to have her-2 positive breast cancer, clinically node negative from exam. Patient will complete neoadjuvant chemotherapy per Medical Oncologist. This arm will undergo lumpectomy with sentinel lymph node biopsy shows pCR. The patient will proceed with radiation as standard of care. This arm includes a review of outcomes in the patient's medical chart as well as a collection of biospecimens such as blood and urine, for correlative studies. |
| Arm C | No intervention | Patient is required to have her-2 positive breast cancer, clinically node negative from exam. patient will complete neoadjuvant chemotherapy per Medical Oncologist. This arm will not undergo lumpectomy with sentinel lymph node biopsy shows pCR. The patient will proceed with radiation as standard of care. This arm includes a review of outcomes in the patient's medical chart as well as a collection of biospecimens, such as blood and urine, for correlative studies. |
What is being measured
The primary outcome is the main question the study is designed to answer.
Ipsilateral Breast Cancer Recurrence
Defined as biopsy positive her-2 positive tumor in the same breast
Measured: up to 5 year post-op
Secondary outcomes (6)
Regional Nodal Recurrence
Will include recurrence in the ipsilateral draining axilla, supraclavicular fossa, or internal mammary nodes.
Measured: 1 month post-op, every three months post-op for 5 years
Distance Metastasis
Defined as biopsy proven disease outside of the affected breast and draining lymphatics, or definitive radiographical evidence of distant disease, to include a positive bone scan or enhancing lesions on MRI brain.
Measured: 1 month post-op, every three months post-op for 5 years
Overall Survival
Defined as death from any cause
Measured: 1 month post-op, every three months post-op for 5 years
Quality of Life using FACT-B+4
Measured using scores from patient reported outcomes from FACT-B+4 questionnaire
Measured: 1 month post-op, every three months post-op for 5 years
Cosmetic (Breast) Outcomes
Measured using scores from patient reported outcomes using the Breast Q questionnaire
Measured: 1 month post-op, every three months post-op for 5 years
Lymphedema Rate
Assessed by a diagnosis of Lymphedema in the medical record by trained lymphedema nurse.
Measured: 1 month post-op, every three months post-op for 5 years
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted9 Mar 2018
- Study start23 Feb 2018
- Primary completion16 Jul 2027 (estimated)
- Study completion16 Jul 2027 (estimated)
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for HER2-positive Breast CancerStudies of the same condition, open and under way.
- More trials run by University of Kansas Medical CenterThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase N/A
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Enrolment
- 12 participants (actual)
Sponsor and investigators
- Lead sponsor
- University of Kansas Medical Center
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Shane Stecklein, MD, PhD, Principal investigator, University of Kansas Medical Center
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT03460067
- Sponsor's protocol ID
- IIT-2017-MM-BRST-Her2noRT
- Status last verified
- Mar 2025
- First submitted
- 24 Feb 2018
- Last updated
- 27 Mar 2025
- Results posted
- No
- Data monitoring committee
- Yes
- FDA-regulated drug
- No
- FDA-regulated device
- Yes
Study at a glance
From the registry record, last updated by the sponsor on 27 Mar 2025. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Selective Use of Observation After Lumpectomy and Sentinel Lymph Node Biopsy in Her-2 Positive Patients With Pathologic Complete Response to Neoadjuvant Chemotherapy
- ClinicalTrials.gov ID
- NCT03460067
- Acronym / sponsor ID
- IIT-2017-MM-BRST-Her2noRT
- Conditions
- HER2-positive Breast Cancer
- Keywords
- omission of radiation, trastuzumab, pertuzumab, biospecimen collection, lumpectomy
- Study type
- Interventional
- Recruitment status
- Active, not recruiting
- Enrolment
- 12 participants (actual)
- Lead sponsor
- University of Kansas Medical CenterUniversity, hospital or other
- Study start
- 23 Feb 2018 (actual)
- Primary completion
- 16 Jul 2027 (estimated)
- Study completion
- 16 Jul 2027 (estimated)
- First posted
- 9 Mar 2018 (actual)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
The primary objective of this study is to describe the rate of local control in patients with her-2 positive early stage breast cancer with a complete response to chemotherapy and lumpectomy alone.
Detailed description
Participants, ages 40 and older diagnosed with stage I or stage II her-2 positive, node negative breast cancer patients will be recommended to continue trastuzumab +/- pertuzumab therapy after surgery to complete a full year of therapy as standard of care under the clinical management of the patient's medical oncologist.
Once neoadjuvant chemotherapy has been completed, the patient will be separated in to one of three arms based on a set of criteria for each. If the patient wishes to take part in the study, but does not have a lumpectomy with sentinel lymph node biopsy showing pCR, the patient will be placed in to Arm C and will proceed with radiation as standard of care. If the patient wishes to take part in the study, and has a lumpectomy with sentinel lymph node biopsy showing pCR, but does not agree to omission of radiation, the patient will be placed in to Arm B and will proceed with radiation as standard of care. If the patient wishes to take part in the study, and has a lumpectomy with sentinel lymph node biopsy showing pCR and agrees to omission of radiation, the patient will be placed in to Arm A with follow up assessments occuring at 1 month post-op, and every 3 months up to 5 years post-op.
Data will be collected on local, regional and distant recurrence at each follow-up.The self-administered FACT-B+4 quality of life questionnaire will be given to patients at baseline, at first postoperative visit, and at the one year post-operative visit.
Patients enrolling prior to chemotherapy will be asked to fill out the Breast-Q™ at the time of their first surgical consultation. Patients enrolled post-surgery will be asked to fill out the Breast-Q™ at their first post-operative visit. All patients will be asked to fill out the Breast-Q™ at their yearly postoperative visits. The Breast-Q™ is a validated patient assessment of breast cosmesis. This tool has both pre operative and post-operative components. Pre-operative Breast-Q™ questionnaire data is not required of participants in this study who enroll postoperatively.
Study design
- Primary purpose
- Treatment
- Allocation
- Non-randomised
- Intervention model
- Parallel groups
- Masking
- None (open label)
- Number of arms
- 3
| Arm | Type | Receives |
|---|---|---|
| Arm A | Experimental | Radiation: Omission of RadiationPatient is required to have lumpectomy with sentinel lymph node biopsy shows pCR and will complete 1 year of trastuzumab +/- pertuzumab treatment. No radiation, or an omission of radiation, will be given on this arm, including external beam, brachytherapy or intraoperative radiation. Patients will be required to follow up with a medical, surgical, or radiation oncologist every 3 months for 5 years. At these follow up visits, a physical exam will be performed to assess for any disease recurrence. Screening mammogram or MRI is recommended every 6 months for patients on this arm. |
| Arm B | No intervention | –Patient is required to have her-2 positive breast cancer, clinically node negative from exam. Patient will complete neoadjuvant chemotherapy per Medical Oncologist. This arm will undergo lumpectomy with sentinel lymph node biopsy shows pCR. The patient will proceed with radiation as standard of care. This arm includes a review of outcomes in the patient's medical chart as well as a collection of biospecimens such as blood and urine, for correlative studies. |
| Arm C | No intervention | –Patient is required to have her-2 positive breast cancer, clinically node negative from exam. patient will complete neoadjuvant chemotherapy per Medical Oncologist. This arm will not undergo lumpectomy with sentinel lymph node biopsy shows pCR. The patient will proceed with radiation as standard of care. This arm includes a review of outcomes in the patient's medical chart as well as a collection of biospecimens, such as blood and urine, for correlative studies. |
Who may qualify
- Ages
- 40 years and older
- Sex
- Female only
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (15 listed)
- Ability to understand and the willingness to sign a written informed consent.
- Karnofsky Performance Status 50% to 100% (Appendix A).
- Women 40 years of age or older with a diagnosis of invasive ductal carcinoma
- Her-2 3+ or FISH ratio of 2.2 or higher, background gene expression with normal copy number
- Only postmenopausal women will be eligible. Subjects will be classified as being postmenopausal if they have had:
Key exclusion criteria (3 listed)
- Diagnosis of inflammatory breast cancer
- Previously diagnosed malignancy excluding basal or squamous cell carcinoma of the skin (unless disease-free for 5 years or more)
- Diagnosis of metastatic disease
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Omission of RadiationNo Radiation will be given. 1 year of trastuzumab +/- pertuzumab treatment will be given with 5 years of follow up occurring every 3 months to check for recurrence | Radiation | Arm A |
Primary outcome
Ipsilateral Breast Cancer Recurrence
Time frame: up to 5 year post-op
Defined as biopsy positive her-2 positive tumor in the same breast
6 secondary outcomes
Regional Nodal Recurrence
Time frame: 1 month post-op, every three months post-op for 5 years
Distance Metastasis
Time frame: 1 month post-op, every three months post-op for 5 years
Overall Survival
Time frame: 1 month post-op, every three months post-op for 5 years
Quality of Life using FACT-B+4
Time frame: 1 month post-op, every three months post-op for 5 years
Cosmetic (Breast) Outcomes
Time frame: 1 month post-op, every three months post-op for 5 years
Lymphedema Rate
Time frame: 1 month post-op, every three months post-op for 5 years
Results and safety
This study is still under way. Results are not available in the source record yet.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 27 Mar 2025.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Shane Stecklein, MD, PhD principal investigator
University of Kansas Medical Center
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A study testing Omission of Radiation in people with HER2-positive Breast Cancer, run by University of Kansas Medical Center at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 15 inclusion and 3 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: under way, not looking for participants, as of the sponsor's last update on 27 Mar 2025. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
This study is still under way. Results are not available in the source record yet.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Ipsilateral Breast Cancer Recurrence (time frame: up to 5 year post-op). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Mar 2025; AzTrials last refreshed its copy on 8 Nov 2026.