Ann & Robert H Lurie Children's Hospital of Chicago
The purpose of this study is to identify tumor biomarkers in individuals with Neurofibromatosis type 1 (NF1). Biomarkers are signals that the investigator can measure that tell us about a process such as progress of a disease or treatment. Individuals with this diagnosis are at an elevated risk of developing a type of tumor called a plexiform neurofibroma. Currently, detecting the risk factors of these tumors in children is difficult and requires whole body imaging. The NF1 team at Lurie Children's established a way of using blood plasma in mice with neurofibromatosis type 1 to identify biomarkers that might signal the presence of tumors in people with NF1. This study is an effort to create biomarker profiles of patients with NF1 with known tumors. The study team will utilize whole-body MRI and mass spectrometry (a method for identifying unknown compounds and the properties of molecules). The ultimate goal of this study is to better understand the tumor biomarkers in patients with NF1.
Neurofibromatosis type 1 (NF1) is a common inherited human disorder, with a frequency of approximately 1:2500 worldwide. A hallmark of NF1 is development of plexiform neurofibromas (PNFs) in 30 to 50% of NF1 patients. Currently, there are no biomarkers of tumor burden and whole-body magnetic resonance imaging (MRI) is expensive and limited to few centers. The investigator established an unbiased pipeline to identify candidate biomarker signals of tumor burden using plasma from neurofibroma-bearing DhhCre;Nf1fl/fl mice using untargeted metabolomics. Our preliminary data show that glucosylcerami…
Inclusion Criteria: 1\. Individuals with known diagnosis of neurofibromatosis type 1 (NF1) Exclusion Criteria: 1. Patient does not meet NF1 diagnostic criteria 2. Mosaic NF1 individuals 3. Pregnant at Screening 4. Patients who do not have the ability/capacity to undergo the informed consent process OR whose parent/legal guardian is unable to undergo the informed consent process.
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