An Open Label Study of L059 (Levetiracetam) in Japanese Epilepsy Subjects With Generalized Tonic-clonic Seizures
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT01398956 |
Recruitment Status :
Completed
First Posted : July 21, 2011
Results First Posted : March 9, 2017
Last Update Posted : August 15, 2017
|
- Study Details
- Tabular View
- Study Results
- Disclaimer
- How to Read a Study Record
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Epilepsy Generalized Tonic-clonic Seizures | Drug: Levetiracetam | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 44 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Treatment |
Official Title: | An Open-label, Multicenter, Long-term, Follow-up Study in Japan to Evaluate the Safety, Tolerability, and Efficacy of Adjunctive Treatment With Oral L059 (Levetiracetam) in Epilepsy Subjects With Generalized Tonic-clonic (GTC) Seizures |
Study Start Date : | June 2011 |
Actual Primary Completion Date : | April 2016 |
Actual Study Completion Date : | April 2016 |

Arm | Intervention/treatment |
---|---|
Experimental: Levetiracetam
Twice daily (morning and evening) orally
|
Drug: Levetiracetam
formulation: tablet or dry syrup strength: 250 mg tablet, 500 mg tablet, dry syrup 50% dosage: Sb ≥16 years and ≥4 and <16 years (≥50 kg): 1000 mg/day, 2000 mg/day or 3000 mg/day; Sb ≥4 and <16 years (<50kg): 20 mg/kg/day, 40 mg/kg/day, or 60 mg/kg/day frequency: twice daily Other Name: Keppra, E Keppra |
- Incidence of Treatment Emergent Adverse Events During the Entire Study Period [ Time Frame: Through study completion, an average of 3 years ]
- The Percentage Change in Generalized Tonic-Clonic (GTC) Seizure Frequency Per Week Over the Evaluation Period From Either of the Combined Baseline Periods of the Previous Studies (N01159 or N01363). [ Time Frame: During the Treatment Period (up to 4.8 years) ]
Percentage change in generalized tonic-clonic (GTC) seizure frequency per week from Baseline of previous studies B over the Treatment Period A is calculated using the equation:
Percentage change from Baseline = ((A-B)/B)*100. Percentage change from baseline is not defined for subjects whose baseline information is missing / unknown or equal to zero, or whose seizure frequency per week is missing/unknown. A negative value in change in generalized tonic-clonic (GTC) seizure frequency indicates a reduction of generalized tonic-clonic (GTC) seizure frequency over the Treatment Period.
- The Incidence of Adverse Drug Reactions During the Entire Study Period [ Time Frame: Through study completion, an average of 3 years ]Adverse drug reactions excludes Adverse Events (AEs) described by the investigators with no relationship to study drug.

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
Ages Eligible for Study: | 4 Years and older (Child, Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- The subject in Japan has completed either of the studies N01159 or N01363 or has discontinued the N01159 study due to lack of efficacy.
- The subject who is judged to benefit from continued treatment with Levetiracetam by the investigators
Exclusion Criteria:
- Subjects with multiple protocol deviations during N01159 or N01363, such as missing laboratory data, and low or noncompliance with the study medication, and who the investigator considers not to have the potential to have deviations stopped are ineligible

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01398956

Study Director: | UCB Clinical Trial Call Center | +1 877 822 9493 (UCB) |
Responsible Party: | UCB Pharma |
ClinicalTrials.gov Identifier: | NCT01398956 |
Other Study ID Numbers: |
N01361 |
First Posted: | July 21, 2011 Key Record Dates |
Results First Posted: | March 9, 2017 |
Last Update Posted: | August 15, 2017 |
Last Verified: | July 2017 |
Levetiracetam Epilepsy Generalized tonic-clonic seizures |
Epilepsy Seizures Brain Diseases Central Nervous System Diseases Nervous System Diseases |
Neurologic Manifestations Levetiracetam Anticonvulsants Nootropic Agents |