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Durham, North Carolina 27710


Purpose:

The purpose of this research study is to determine how well pertuzumab and trastuzumab works in treating breast cancer that has spread to the brain. Pertuzumab and trastuzumab are treatments that stop breast cancer cells from growing abnormally by inhibiting (or blocking) members of a family of proteins that include Human Epidermal Growth Factor Receptor 2 (HER2). Pertuzumab and trastuzumab have been found to be very effective for HER2-positive breast cancer and are FDA approved for treatment of metastatic breast cancer outside of the brain when given through the vein. This suggests that pertuzumab and trastuzumab may help shrink or stabilize HER2-positive breast cancer that has spread to the brain in this research study. In this research study, the investigators are looking to see whether pertuzumab and trastuzumab will work to decrease the size of or stabilize breast cancer that has spread to the brain.


Study summary:

Intrathecal administration of pertuzumab and trastuzumab will occur via lumbar puncture (spinal tap) under fluoroscopic guidance by interventional radiology at Duke University Medical Center. The spinal needle will be inserted into the spinal column and 7 mL of cerebrospinal fluid (CSF) will be collected. Once the CSF is removed, the intrathecal pertuzumab and trastuzumab will be administered using aseptic technique. At certain time points the CSF will be analyzed for free cell DNA. If subjects consent, the CSF fluid will also be stored for additional future research. Patients will be treated using a 3+3 dose-escalation design. Patients will not be accrued to the next cohort (dose escalation) until at least one patient on the previous cohort has been followed for six weeks. If a dose limiting toxicity (DLT) is seen in a patient then the cohort will be expanded by an additional 3 patients to allow for 1 in 6 patients per cohort to have a DLT before dose escalation. Dose limiting toxicity will be assessed weekly during the first six weeks of the treatment. Patients will be treated weekly for the first six weeks and then every 3 weeks (q21 days). Once the maximum tolerated dose is reached, an additional 12 patients will be enrolled in the cohort at the maximum tolerated dose. The maximum number of enrolled patients is 36. Dosing is as follows: Cohort 1 - 80mg IT trastuzumab, 10mg IT pertuzumab, cohort 2 - 80mg IT trastuzumab, 20mg IT pertuzumab, cohort 3 - 80mg IT trastuzumab, 40mg IT pertuzumab, cohort 4 - 80mg IT trastuzumab, 80mg IT pertuzumab. If the lowest dose level is found to be too toxic, the trial will stop without finding a maximum tolerated dose.


Criteria:

Inclusion Criteria: - HER2 positive by 2013 ASCO-CAP guidelines (IHC 3+ and/or FISH positive; IHC 2+ HER2 patients are eligible with reflex FISH positive testing with the ratio ≥ 2.0) breast cancer patients with untreated asymptomatic or minimally symptomatic brain metastasis by MRI. There is no upper or lower limit to the size or number of brain metastases. - Patients can have previous brain metastasis that was completely surgically resected if the previously resected lesion is at least 1 cm from target lesion(s) for this study. The location of the previous resection cavity is determined by the post-resection MRI. - Patients can have previous brain metastasis that was treated with stereotactic radiosurgery (SRS) if the previously treated lesion is at least 1cm from the target lesion(s) for this study. The location of the previous SRS treatment location is determined by the SRS MRI. - Patients can be on steroids as long as the dose has been stable for ≥ 7 days - No limitations on prior systemic or intrathecal therapies. - There are no restrictions on systemic therapy at enrollment. - Negative serum pregnancy test for pre-menopausal women and women within 12 months from the onset of menopause. - Sexually active women of childbearing potential must commit to 2 methods of contraception while enrolled on the trial and continue using contraceptives for at least 7 months post study drug administration. Sexually active men must commit to 1 method of contraception while enrolled and for 7 months after. Hormonal contraceptives such as birth control pills, patches, implants or injections are not allowed in patients who are HR+. - Life expectancy ≥ 8 weeks - Laboratory criteria: normal renal function: creatinine < 1.5 x upper limit of normal (ULN)), liver function: bilirubin ≤ 1.5 x ULN, transaminases ≤ 2 x ULN, except in known hepatic disease, wherein may be ≤ 5 x ULN, and blood counts: WBC ≥ 2.0, Neutrophils ≥1500, platelets ≥100,000, Hemoglobin ≥ 10. - LVEF (left ventricular ejection fraction) ≥ 50% - Karnofsky performance status (KPS) ≥ 50 - Age ≥ 18 years - Patients must have the ability to give informed consent. - Patients must sign an informed consent form. Exclusion Criteria: - No seizures, focal weakness of any extremity (by neurologic exam), or stroke symptoms in the past month. - No history of prior whole brain radiation. - No history of lumbar surgery or other pre-existing spinal conditions that would preclude frequent, safe, reliable lumbar punctures. - No history of serious cardiac arrhythmia or EF < 50%. - Systemic sites of disease need to be stable on systemic therapy based on the most recent (within 12 weeks) staging scans. - Radiation while on study is not allowed EXCEPT to a localized region for pain control. - No history of any other cancer (except non-melanoma skin cancer or carcinoma in-situ of the cervix) unless the patient has been in remission and off all other cancer therapy for at least 3 years. - Patients should have no significant psychiatric illness or medical illness that would preclude the ability to comply with the protocol. - Patients may not be pregnant or breastfeeding. - No known hypersensitivity to trastuzumab or pertuzumab. - Symptomatic intrinsic lung disease or extensive tumor involvement in the lungs resulting in dyspnea at rest.


NCT ID:

NCT02598427


Primary Contact:

Principal Investigator
Kimberly Blackwell, MD
Duke University


Backup Contact:

N/A


Location Contact:

Durham, North Carolina 27710
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: January 21, 2020

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