18F-FLT-PET Imaging of the Brain in Patients With Metastatic Breast Cancer to the Brain Treated With Whole Brain Radiation Therapy With or Without Sorafenib: Comparison With MR Imaging of the Brain

Completed · Not applicable

Conditions studied: Metastatic Breast Cancer to the Brain

In brief

The purpose of this study is to compare two different imaging methods to examine the response of brain metastases to WBRT. These two imaging methods will take pictures of the brain using : 1) a positron emission tomography (PET) scanner and 2) Magnetic Resonance Imaging (MRI) scanner. A PET scanner resembles a CT or MR scanner.PET scans use radioactive substances also called as radioactive markers to "see" cancer cells. We plan to use \[18F\]FLT as a radioactive marker. FLT is used to image tumor growth. FLT PET scan is a new clinical procedure. It is in the testing stage of development unlike FDG-PET which is used more commonly used. Therefore, this is considered a "research" study. This will help us evaluate whether this scan will be safe and better used in the future to evaluate tumors. The amount of radiation to the body is small. The radiation from the radiotracer drug will be gone from the body in a few hours. There is no radiation risk from the MRI scans. Additionally, we also plan to use MRI imaging of the brain. We expect that \[18F\]FLT PET is better when compared to MRI and will give us more information about the brain metastases after WBRT.

Key facts

Study ID

NCT01621906

Run by

Memorial Sloan Kettering Cancer Center

People needed

17

Starts

2012-06-13

Expected to finish

2021-05-27

Last updated by the study team

2022-09-09

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Histologically-confirmed (confirmation done at MSKCC) metastatic adenocarcinoma of the breast
• Radiologic evidence of new and/or progressive brain metastases ((≥10 mm in longest dimension) by MRI imaging of the Brain
• Planned WBRT based on number (≥ 3 lesions) and/or size (≥ 1 cm) of brain metastases.
• Age ≥18 years; males and females
• Patients who require additional clinically indicated stereotactic radiosurgery (SRS) in addition to WBRT will also be eligible.
• Life expectancy of >12 weeks.
• Karnofsky Performance Status (KPS) ≥ 70%.
• Creatinine ≤2.0 times the upper limit of normal.
• Women of childbearing potential must have a negative serum pregnancy test performed within 7 days prior to enrollment, must be non-lactating and must agree to use adequate contraception prior to enrollment and for the duration of study participation.
• No limit to prior therapies with last anti-cancer treatment ≥2 weeks from initiation of WBRT. Please note: there is no washout period required for trastuzumab, pertuzumab, for patients who have developed new parenchymal brain metastases while on these agents.

You may not qualify if…

• Leptomeningeal metastases Please note: leptomeningeal metastases may be allowed if it is limited to cranial metastasis (MRI spine should be completed, within 4 weeks of enrollment, to show that no other leptomeningeal metastases is present) and is not the only metastasis present in the brain.
• Concurrent administration of lapatinib or other tyrosine kinase inhibitors other than sorafenib
• Craniotomy or any other major surgery, open biopsy, or significant traumatic injury within 4 weeks of randomization.
• Concurrent anti-cancer therapy (chemotherapy, hormonal therapy, radiation therapy, surgery, immunotherapy, biologic therapy, or tumor embolization) other than sorafenib, and protocol-specified whole-brain radiotherapy.
• Use of any investigational drug within 30 days or 5 half-lives, whichever is longer, preceding enrollment.
• Inability to comply with protocol and /or not willing or not available for follow-up assessments.
• Any condition which in the investigator's opinion makes the patient unsuitable for the study participation.
• Patient is incontinent of urine or stool (which would make them unable to tolerate lying still for 60 minutes).
• Claustrophobia
• Known allergic reaction to Gd-DTPA
• Renal insufficiency with recent (<3 month old) creatinine >2.0

Where it is running

• Memoral Sloan Kettering Cancer Center — Basking Ridge, New Jersey, United States
• Memorial Sloan Kettering Monmouth — Middletown, New Jersey, United States
• Memorial Sloan Kettering Cancer Center @ Suffolk — Commack, New York, United States
• Memorial Sloan Kettering Westchester — Harrison, New York, United States
• Memorial Sloan Kettering Cancer Center — New York, New York, United States
• Memorial Sloan Kettering at Mercy Medical Center — Rockville Centre, New York, United States

Full record on ClinicalTrials.gov

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