{
    "info": {
        "nct_id": "NCT01668082",
        "official_title": "An Investigation of Brain Tumor Metabolism in Patients Undergoing Surgical Resection",
        "inclusion_criteria": "* Male or female, any age and any racial or ethnic group\n* Spanish-speaking patients will be eligible\n* Pre-operative brain MR imaging suggestive of a brain tumor or pre-operative imaging showing a tumor or biopsy of a tumor mass prior to planned resection of the mass\n* Patient able and willing to provide informed consent or Legal parent or guardian willing and able to provide informed consent for patient under age 18.\n* Karnofsky Performance status > 70%\n* Negative serum pregnancy test or child bearing potential terminated by surgery, radiation, menopause or current use of two approved methods of birth control\nHealthy volunteers allowed\nMust have minimum age of 18 Years",
        "exclusion_criteria": "* Patient or legal parent/guardian unable to provide informed consent\n* Karnofsky Performance status < 70%\n* Patients who are claustrophobic or have other contraindications to MRI, such as impanted pacemaker device vascular clips, surgical clips, prosthetic valves, pacemakers, otologic implants\n* NYHA class III and IV congestive heart failure\n* Psychiatric or addictive disorders that preclude obtaining informed consent\n* Unstable angina\n* Pregnant or lactating women\n* Women of childbearing potential who refuse a pregnancy test (performed during screening)",
        "miscellaneous_criteria": ""
    },
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                                "female"
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                                "comparisons": []
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        },
        {
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                        }
                    },
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        },
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                        "exact_snippets": "Karnofsky Performance status > 70%",
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        },
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                                "value": 2,
                                "unit": "methods"
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        {
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        },
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                    }
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                        "requirement": {
                            "requirement_type": "presence",
                            "expected_value": true
                        }
                    }
                ]
            }
        }
    ],
    "failed_miscellaneous": []
}