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Pharmacogenetics of GABAergic mechanisms of benefit and harm in epilepsy: : A prospective cohort study to determine the enviromental and genetic factors associated with response to clobazam. - Pharmacogenetics:clobazam

Pharmacogenetics of GABAergic mechanisms of benefit and harm in epilepsy: : A prospective cohort study to determine the enviromental and genetic factors associated with response to clobazam. - Pharmacogenetics:clobazam

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2004-003945-41-GB
Enrollment
400
Registered
2005-02-15
Start date
2005-02-15
Completion date
Unknown
Last updated
2019-11-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Epilepsy

Interventions

Trade Name: Clobazam (Frisium) Product Name: clobazam Product Code: PL 13402/0030 Pharmaceutical Form: Tablet INN or Proposed INN: cloba

Sponsors

liverpool university
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Continued seizures despite current treatment with between 1 and 3 conventional antiepileptic drugs (carbamazepine, valproate, lamotrigine, phenytoin, topiramate, levetiracetam, gabapentin). Patients who may have been treated previously with AEDs not in this list will also be included. 2. Patients have been on their existing combination of AEDs for at least 3 months. 3. Addition of clobazam to existing AED regime or switch of one of current AEDs for clobazam is clinically indicated. 4. Any epilepsy syndrome (generalized, localization-related, unclassified). Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) yes F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: Exclusion criteria: 1. Significant learning disability 2. Patient and/or relatives unable to maintain a seizure diary.

Design outcomes

Primary

MeasureTime frame
Main Objective: The principle research objective is to define the genetic and enviromental factors that can predict response to clobazam.;Secondary Objective: ; Primary end point(s): 1. Time to withdrawal of clobazam. a. For any reason b. Due to side effects c. Due to inadequate seizure control d. Combination of b and c 2. Seizure control. a. Seizure frequency per month at 3, 6, 9, and 12 months. b. Number of seizure free days per month at 3, 6, 9 and 12 months. 3. Adverse effects

Countries

United Kingdom

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026