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Durham, North Carolina 27710


Purpose:

This is a Phase 2 single-arm study to assess the efficacy of perampanel as an adjunctive anti-epileptic drug (AED) in patients with primary glioma that are presenting refractory partial onset seizure activity (defined as 3 or more seizures in a 28-day period). In this study, patients will be started on a dose of 2 mg of perampanel daily taken orally at bedtime for 2 weeks. At the start of week 3 perampanel will be titrated up in dose in 2mg increments per week up to 8mg daily, as long as it is well tolerated by the patient. The highest dose of perampanel will be 8 mg orally at bedtime. Once this is achieved, patients will remain on a maintenance dose of 8 mg for 12 more weeks. The planned treatment dose is 8mg, but the dose can be modified by the physician based on patient reported tolerability. Titration and taper periods will be determined by the physician in the case where patients do not reach the planned treatment dose of 8 mg daily. Patients will be assessed in the Brain Tumor Center Clinic every 8 weeks. Study assessments will be made at enrollment, 8 weeks, 16 weeks, and 24 weeks. Assessments will include history and physical examination (H&P) including Karnofsky Performance Status (KPS), neurological examination, evaluation of seizure history, patient-reported outcomes of QoL, and computer based neurocognitive testing. After a total of 16 weeks of therapy, perampanel will be tapered down. At Week 17, patients will begin taking 6mg of perampanel, Week 18 4mg, Week 19 2mg, and Week 20 they will no longer take perampanel. Patients will be considered off treatment at the end of week 20, once perampanel has cleared their system. Patients will then be monitored through Week 24. Patients will continue to take their original AED regimen after they stop perampanel. If seizure control is achieved during the maintenance period or if seizures occur during the tapering period, patients can be continued on perampanel per the discretion of the treating physician. In this instance, perampanel will be prescribed by the treating physician and not provided within the confines of the study. Efficacy will be assessed using a log of patient-reported seizure activity. As is standard procedure at the Preston Robert Tisch Brain Tumor Center (PRTBTC), patients will be given a log to record the number of seizures that occur. Research team members will regularly contact patients for reminders and reports from the log. Safety will be assessed with the following laboratory evaluations: complete blood count (CBC) with differential, complete metabolic panel (CMP), and toxicity assessment.


Study summary:

This is a Phase 2 single-arm study to assess the efficacy of perampanel as an adjunctive anti-epileptic drug (AED) in patients with primary glioma that are presenting refractory partial onset seizure activity (defined as 3 or more seizures in a 28-day period). In this study, patients will be started on a dose of 2 mg of perampanel daily taken orally at bedtime for 2 weeks. At the start of week 3 perampanel will be titrated up in dose in 2mg increments per week up to 8mg daily, as long as it is well tolerated by the patient. The highest dose of perampanel will be 8 mg orally at bedtime. Once this is achieved, patients will remain on a maintenance dose of 8 mg for 12 more weeks. The planned treatment dose is 8mg, but the dose can be modified by the physician based on patient reported tolerability. Titration and taper periods will be determined by the physician in the case where patients do not reach the planned treatment dose of 8 mg daily. Patients will be assessed in the Brain Tumor Center Clinic every 8 weeks. Study assessments will be made at enrollment, 8 weeks, 16 weeks, and 24 weeks. Assessments will include history and physical examination (H&P) including Karnofsky Performance Status (KPS), neurological examination, evaluation of seizure history, patient-reported outcomes of QoL, and computer based neurocognitive testing. After a total of 16 weeks of therapy, perampanel will be tapered for 3 weeks and then will be discontinued, such that Week 20 patients will no longer be taking perampanel. Patients will then be monitored through Week 24. Patients will continue to take their original AED regimen after they stop perampanel. Patients will remain on their original AED regimen during this treatment time and the dose of their original AED regimen at the start of the study will not be changed while they are on study. If seizure control is achieved during the maintenance period or if seizures occur during the tapering period, patients can be continued on perampanel per the discretion of the treating physician. In this instance, perampanel will be prescribed by the treating physician and not provided within the confines of the study. Efficacy will be assessed using a log of patient-reported seizure activity. As is standard procedure at the PRTBTC, patients will be given a log to record the number of seizures that occur. Research team members will regularly contact patients for reminders and reports from the log. Safety will be assessed with the following laboratory evaluations: complete blood count (CBC) with differential, complete metabolic panel (CMP), and toxicity assessment. This study has been designed with 90% power to detect an increase in the 50% responder rate during the maintenance period from a benchmark of 20% to 35%. Assuming a type I error rate of 0.1, 61 patients will be required. Based on prior studies the early discontinuation rate was 16%, therefore 71 patients will be enrolled to compensate for patients discontinuing prior to the completion of the maintenance period.


Criteria:

Inclusion Criteria: 1. Patients must be diagnosed with a primary glioma and have refractory partial onset seizure activity (defined as 3 or more seizures in a 28-day period) on levetiracetam monotherapy 2. Adult patients (≥ 18 years old) 3. Karnofsky ≥ 70% 4. Hematocrit ≥ 29%, ANC ≥ 1,500 cells/L, platelets ≥ 100,000 cells/L 5. Serum creatinine ≤ 1.5 mg/dL, serum AST and bilirubin ≤ 1.5 times the upper limit of normal 6. If sexually active, patients will take contraceptive measures for the duration of protocol treatment and continue until two months after treatment. The effectiveness of hormonal contraceptives containing levonorgestrel has been shown to be reduced by perampanel at a 12 mg dose.1 Therefore, alternative or back-up methods of contraception are recommended. 7. Signed informed consent approved by the Duke Institutional Review Board Exclusion Criteria: 1. Pregnant or breastfeeding (Both perampanel and other Anti-epileptic drugs are classified as Pregnancy Category C drugs.) 2. Chronic excessive use of psycho-pharmaceuticals, alcohol, illicit drugs, or narcotics 3. Inability to complete or perform measures of patient-reported outcomes or neurocognitive testing on the computer 4. Known allergy to perampanel 5. Concomitant use of known cytochrome P450 inducers such as carbamazepine, phenytoin, or oxcarbazepine (see Appendix A) 6. Previous history of suicidal ideation, homicidal ideation, depression leading to hospitalization or mood disturbance leading to hospitalization.


NCT ID:

NCT02363933


Primary Contact:

Principal Investigator
Katherine B Peters, MD, PhD
Duke University


Backup Contact:

N/A


Location Contact:

Durham, North Carolina 27710
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: November 24, 2017

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