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Clinical Trial Details — Status: Recruiting

Administrative data

NCT number NCT03822741
Other study ID # CHFudanU_NNICU10
Secondary ID
Status Recruiting
Phase
First received
Last updated
Start date August 8, 2016
Est. completion date December 30, 2026

Study information

Verified date September 2023
Source Children's Hospital of Fudan University
Contact Wenhao Zhou, Doctor
Email zwhchfu@126.com
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Genetic diagnosis for neonates suffering from epilepsy has important implications for treatment, prognosis, and development of precision medicine strategies. Investigator performed exome sequencing (ES) or targeted sequencing on neonates with seizure onset within the first month of life. Investigator subgrouped our patients based on the onset age of seizure into neonatal and before 1 year (1-12 months), to compare the clinical and genetic features and treatment strategies.


Description:

Seizure is one of the most common neurological conditions in neonates, and has substantial impact on patients'quality of life and social integration. Epileptic encephalopathy is characterized by refractory seizures, cognitive dysfunction, and poor prognosis. Despite the recent progress in technology, molecular diagnosis of neonates suffering from possible epileptic seizures can be challenging, due to genetic and phenotypic heterogeneities. A large number of specific pathogenic variations have been related to various forms of epilepsies. Next-generation sequencing (NGS) has significantly improved the molecular diagnosis for rare diseases. NGS focusing on genes known to be associated with human diseases is a practical approach as a first-tier assessment for patients with heterogeneous genetic background. In addition, currently medical therapy for seizure is not based on the etiology, but the clinical manifestations, and the main purpose is not to rescue the underlying diseases process, but just to reduce the likelihood of seizures occurrence. In this study, Investigator performed NGS on neonates with seizure onset before 1 year of age, to detect and quantify genetic variants, and assess existing therapeutic effects. Our findings will have important implications for the development of precision medicine strategies.


Recruitment information / eligibility

Status Recruiting
Enrollment 2000
Est. completion date December 30, 2026
Est. primary completion date December 30, 2026
Accepts healthy volunteers No
Gender All
Age group N/A to 12 Months
Eligibility Inclusion Criteria: - severe seizures in neonates or generalized epilepsy or intractable epilepsy in infancy with generalized tonic-clonic seizures, - seizures onset before 1 year of age, - epileptic syndromes/epileptic-encephalopathies with unknown etiology. Exclusion Criteria: - Patients were excluded if they had traumas, central nervous system infections, hypoxic-ischemic encephalopathy, vascular events, systemic infections, and diagnosed metabolic disorders, and pathogenic copy-number variants were identified using array-based comparative genomic hybridization (CGH).

Study Design


Locations

Country Name City State
China Children Hospital of Fudan University Shanghai Shanghai

Sponsors (1)

Lead Sponsor Collaborator
Children's Hospital of Fudan University

Country where clinical trial is conducted

China, 

References & Publications (7)

EpiPM Consortium. A roadmap for precision medicine in the epilepsies. Lancet Neurol. 2015 Dec;14(12):1219-28. doi: 10.1016/S1474-4422(15)00199-4. Epub 2015 Sep 20. Erratum In: Lancet Neurol. 2016 Mar;15(3):241. — View Citation

Lemke JR, Riesch E, Scheurenbrand T, Schubach M, Wilhelm C, Steiner I, Hansen J, Courage C, Gallati S, Burki S, Strozzi S, Simonetti BG, Grunt S, Steinlin M, Alber M, Wolff M, Klopstock T, Prott EC, Lorenz R, Spaich C, Rona S, Lakshminarasimhan M, Kroll J, Dorn T, Kramer G, Synofzik M, Becker F, Weber YG, Lerche H, Bohm D, Biskup S. Targeted next generation sequencing as a diagnostic tool in epileptic disorders. Epilepsia. 2012 Aug;53(8):1387-98. doi: 10.1111/j.1528-1167.2012.03516.x. Epub 2012 May 21. — View Citation

Moller RS, Larsen LH, Johannesen KM, Talvik I, Talvik T, Vaher U, Miranda MJ, Farooq M, Nielsen JE, Svendsen LL, Kjelgaard DB, Linnet KM, Hao Q, Uldall P, Frangu M, Tommerup N, Baig SM, Abdullah U, Born AP, Gellert P, Nikanorova M, Olofsson K, Jepsen B, Marjanovic D, Al-Zehhawi LI, Penalva SJ, Krag-Olsen B, Brusgaard K, Hjalgrim H, Rubboli G, Pal DK, Dahl HA. Gene Panel Testing in Epileptic Encephalopathies and Familial Epilepsies. Mol Syndromol. 2016 Sep;7(4):210-219. doi: 10.1159/000448369. Epub 2016 Aug 20. — View Citation

Myers CT, Mefford HC. Advancing epilepsy genetics in the genomic era. Genome Med. 2015 Aug 25;7(1):91. doi: 10.1186/s13073-015-0214-7. — View Citation

Striano P, Vari MS, Mazzocchetti C, Verrotti A, Zara F. Management of genetic epilepsies: From empirical treatment to precision medicine. Pharmacol Res. 2016 May;107:426-429. doi: 10.1016/j.phrs.2016.04.006. Epub 2016 Apr 11. — View Citation

Striano P, Zara F. Epilepsy: Common and rare epilepsies share genetic determinants. Nat Rev Neurol. 2017 Apr;13(4):200-201. doi: 10.1038/nrneurol.2017.30. Epub 2017 Mar 10. No abstract available. — View Citation

Wang K, Li M, Hakonarson H. ANNOVAR: functional annotation of genetic variants from high-throughput sequencing data. Nucleic Acids Res. 2010 Sep;38(16):e164. doi: 10.1093/nar/gkq603. Epub 2010 Jul 3. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Mutation rate of common seizure genes We'll get the genetic profiles of all neonates who had seizures during this period. The mutation rate of common variant gene was calculated by gene spectrum. From the oneset of seizure to the genetic sequencing finish, the process may last up to 3 months.
Primary Rate of seizure free After the onset of seizure, through clinical management and individualized intervention, we expect to observe the number and proportion of effective seizure treatments. From the onset of seizure to 6 months after the onset of seizure
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