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Brief Title: Pharmacokinetics of Systemic Anti-Cancer Therapies in the Cerebrospinal Fluid (CSF) of Patients With Advanced Cancer
Official Title: CSF Pharmacokinetics of Systemic Anti-Cancer Therapies in Patients With Advanced Cancer
Study ID: NCT02580045
Brief Summary: This clinical trial is being done to learn more about how different types of cancer treatments affect cancer cells when they spread to the brain. Many cancer treatments are not able to make their way into the brain or into spinal fluid of the central nervous system. This is because they cannot cross what is called the "blood-brain barrier" or "BBB". The BBB is like a protective shield that only allows certain materials pass through to reach the brain but not others. This study is being initiated to help researchers learn more about what types of cancer treatments make it through the BBB to attack cancer cells within the brain, and what treatments do not make it through the BBB. Learning more about this may help future researchers develop more effective cancer drugs that better fight cancer cells that have spread to the brain.
Detailed Description: Very little is known about the penetration of systemic therapies through the normal blood brain barrier and the ways in which a brain metastasis or radiation would impact the permeability of the blood brain barrier. This study would be one of the first to examine the concentrations of systemic cancer therapies in the cerebrospinal fluid (CSF) with matched serum samples. Additionally, the concentration of these therapies in brain metastasis surgical specimens would be of particular interest to correlate with serum and CSF levels, length of time on therapy, and latency to developing brain metastases in future studies. As participants in this study, patients scheduled for a lumbar puncture per their standard of care treatment will be subject to a withdrawal of 15cc's of cerebrospinal fluid for pharmacokinetic analysis. They will also have a blood draw of 5mL within 2 hours of the lumbar puncture for serum pharmacokinetics. If the patient is eligible for and elects to proceed with surgical resection of a brain metastasis, optional CSF and serum samples would be drawn at the time of resection.
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Duke University Medical Center, Durham, North Carolina, United States
Name: Kimberly L Blackwell, MD
Affiliation: Duke University
Role: PRINCIPAL_INVESTIGATOR