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Effect on Body Movement and Mental Skills in Patients Who Received Gadolinium-based Contrast Media for Magnetic Resonance Examination Multiple Times Within 5 Years

ABSTRACT: This study is a postmarketing requirement jointly carried out by four NDA holders (Bayer AG, Bracco, GE Healthcare and Guerbet) and the CRO IQVIA. The study aims to create detailed images of the organs and tissue of the human body during x-ray, CT-scan or MRI investigations, doctors are using contrast media (a kind of dye) which can be given to patients by injection into a blood vessel or by mouth. In this study researchers want to find out whether so called gadolinium-based contrast agents (GBCAs) have an effect on body movement and mental skills when given to participants multiple times within 5 years. The study plans to enroll about 2076 participants suffering from a condition for which they are likely to have at least annually a MRI or another imaging examinations. Only adults up to 65 years will be considered to join this study. During the study duration of 5 years participants will receive annually a MRI or other imaging tests (such as CT-scan, x-ray) and will visit the study doctor at least 7 times for physical examinations, laboratory investigations and tests on body movement and mental skills.

DISEASE(S): Mogelijke Langetermijneffect Van Herhaalde Blootstelling Aan Een Lineair Of Een Macrocyclisch Gadoliniumgebaseerd Contrastmiddel (gbca) Op De Verandering Van Baseline Tot Jaar 5 In Motorische En Cognitieve Functie Bij Neurologisch Normale Volwassenen In Vergelijking Met Een Gematchte Controlegroep Zonder Blootstelling Aan Gbca.,Chronic Liver Disease,Cognitive Function,Contrast Media,Intraductal Papillary Mucinous Neoplasm,Colorectal Cancer,Motor Function,Prostate Cancer,Long Term Potential Effect Of Repeated Exposure To Either A Linear Or A Macrocyclic Gadolinium-based Contrast Agent (gbca) On Change From Baseline To Year 5 In Motor And Cognitive Function Among Neurologically Normal Adults In Comparison To A Matched Non-gbca–exposed Control Group Effects Regarding,Breast Cancer,Hepatocellular Carcinoma

PROVIDER: 2338092 | ecrin-mdr-crc |

REPOSITORIES: ECRIN MDR

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Project description:We report the results of a molecular study in thirty-seven cases of gliomatosis cerebri, correlating these results with prognosis. The well-known prognostic factors of gliomas, i.e., age, KPS, histology (Grade 2 vs. 3), or contrast enhancement, was predictive of response or outcome only in a percentage of patients but not in all patients. We identified an 8 miRNA signature able to predict patient prognosis with microarray gene expression profiling. The 8 gene features were used to built a prediction method able to distinguish patients with good prognosis (more likely to be responsive to therapy) from patients with a poor prognosis (less likely to be responsive to therapy). Keywords: miRNA expression profile Fifty-nine patients, between 12- and 73-years-old, with clinical signs of increased intracranial pressure were admitted to our institutions between January 2000 to September 2005. Pre-operative neuroradiological studies (CT scan and MRI) showed diffuse infiltrative processes involving more than two different lobes, no identifiable focal mass, and contrast enhancement absent or less than 1 cm in diameter. Written informed consent and tumour DNA were obtained for molecular analysis. Other eligibility criteria included a Karnofsky Performance Scale index (KPS) >50, normal bone marrow function (white blood cell count >3.0X109/l, neutrophil count >1.5X109/l, platelet count >100X109/l, and haemoglobin >10g/dL), normal liver function (aspartate aminotransferase or alanine aminotransferase <2 times the upper limit of laboratory normal, normal bilirubin, and alkaline phosphatase < 2 times the upper limit of normal), and normal renal function (serum creatinine <1.5 mg/dL). The patients received chemotherapy with temozolamide and radiotherapy. The TMZ schedule consisted of 150 to 200 mg/m2 was orally administered once daily on days 1 to 5. Treatment cycles were repeated every 28 days, with a maximum of 24 months. All patients had a monthly neurological and performance status evaluation and a radiological (MRI) evaluation every 2 to 3 months. Responses were evaluated according to previously described criteria (8): a clinical response was defined as an improvement of a neurological deficit or cognitive function evaluated by Mini-Mental Status Examination, an improvement of at least 75% in seizure frequency, or the disappearance of intracranial hypertension. When radiological MRI scans showed a reduction of more than 50% in the hyper intense area it was considered a partial response (PR), and a <50% regression or an objective regression of mass effect, was considered a minor response (MR). Disease was considered as stable when no clinical or radiological changes were seen for at least 6 months, whereas neurological deterioration, a need to increase corticosteroids, or evidence of tumour progression on MRI (an increase in the T2 or the appearance of contrast enhancement) indicated tumour progression.

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Effect on Body Movement and Mental Skills in Patients Who Received Gadolinium-based Contrast Media for Magnetic Resonance Examination Multiple Times Within 5 Years

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