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Clinical Trial Summary

Cerebral cavernous malformation (CCM)-related epilepsy (CRE) impairs the quality of life in patients with CCM. Patients could not always achieve seizure freedom after surgical resection of the lesion, suggesting an inadequate treatment and evaluation of the epileptogenic zone or network. Iron deposition in cerebral cavernous malformations has been postulated to play an important role in triggering CRE. Quantitative susceptibility mapping (QSM), as an optimal in vivo imaging technique to quantify iron deposition, is employed to analyze the iron quantity in CCM patients with epilepsy and further combined with brain structural and connectome analysis, to describe the difference between CCMs with and without epilepsy. In vivo biomarkers predicting CRE risk in CCM natural history and CRE control outcome after CCM surgical resection will be further identified to improve management strategy.


Clinical Trial Description

The CRESS study is a prospective observational study of imaging biomarker for cerebral cavernous malformation (CCM) related epilepsy (CRE) risk in natural history or after surgical resection. This project, funded by the National Nature Science Foundation of China, will be performed in two sites: Bejing Tiantan Hospital, Capital Medical University and Peking University International Hospital, which cover the south and north part of Beijing. Bejing Tiantan Hospital is also the China National Clinical Research Center for Neurological Diseases and the largest neurological center with high volume of patients all over the nation.

Study overview: Each participants will be followed for 5 year since enrollment. Epilepsy will be tracked with serial video EEG recordings and clinical investigations performed annually. Besides medical history of the patients, data from seizure diary and MR imaging studies (including quantitative susceptibility mapping, diffusion tensor imaging and three dimension-T1 weighted imaging), will be collected. Blood samples and tissue samples of surgical resected lesion for biomarkers studies will also be collected in all participants of the project. The data obtained in participants of CCM with or without epilepsy will be compared.

Sample size: Investigators plan to enroll 200 CCM patients in 24 months and follow up for 5 years. Based upon the preliminary results and extensive literature review, investigators predict that about 50% of participants will undergo surgical treatment, while 25% of participants remain suffering from seizure after treatment.

Study endpoints: The primary clinical endpoint of this study is a collection of a set of clinical, molecular, and MRI data in all participants. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04076449
Study type Observational
Source Beijing Tiantan Hospital
Contact Li Ma, MD, PhD
Phone 86-010-59978317
Email marygl@hotmail.com
Status Recruiting
Phase
Start date September 3, 2019
Completion date December 31, 2026

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