Efficacy and Tolerability of Adjunctive Brivaracetam in Patients with Focal-Onset Seizures on Specific Concomitant Antiseizure Medications : Pooled Analysis of Double-Blind, Placebo-Controlled Trials
© 2024. The Author(s)..
INTRODUCTION: This article aimed to assess the efficacy and tolerability of adjunctive brivaracetam (BRV) in adults with focal-onset seizures on specific concomitant antiseizure medications (ASMs) taken as part of their treatment regimen.
METHODS: This was a post hoc analysis of pooled data from double-blind, placebo-controlled trials (N01252/NCT00490035, N01253/NCT00464269, and N01358/NCT01261325) in patients with uncontrolled focal-onset seizures randomized to BRV (50-200 mg/day) or placebo on the most common concomitant ASMs at trial initiation.
RESULTS: Nine concomitant ASMs were analyzed: carbamazepine (CBZ), lamotrigine (LTG), valproate (VPA), oxcarbazepine (OXC), topiramate (TPM), phenytoin (PHT), lacosamide (LCM), clobazam (CLB), and phenobarbital (PHB). Reduction over placebo in focal-onset seizure frequency per 28 days with BRV ranged from 11.7% (concomitant OXC) to 33.5% (concomitant PHB). The median percentage reduction from baseline in focal-onset seizure frequency per 28 days ranged from 25.5% to 42.8% in patients on BRV (placebo 4.4-21.2%); 50% responder rates ranged from 31.9% to 44.9% in patients on BRV (placebo 11.4-25.2%). In patients on BRV, seizure freedom ranged from 1.4% (concomitant PHT) to 12.5% (concomitant LCM); seizure freedom ranged from 0% to 1.2% in patients on placebo. All efficacy endpoints analyzed were consistently numerically higher in patients on BRV versus placebo. The overall incidence of treatment-emergent adverse events (TEAEs) was generally similar across subgroups by specific concomitant ASMs in patients on BRV (range 60.8-74.5%) or placebo (range 53.8-66.7%). Drug-related TEAEs were numerically higher across all subgroups by concomitant ASM in patients on BRV (range 35.2-48.3%) versus placebo (range 23.9-37.1%). Discontinuations due to TEAEs ranged from 2.9% to 13.3% in patients on BRV and was 0-5.7% for patients taking placebo across subgroups.
CONCLUSION: BRV was efficacious and well tolerated regardless of the specific concomitant ASMs used as part of their treatment regimen. These data show that in patients with focal-onset seizures, BRV provides additional efficacy to a broad range of ASMs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:41 |
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| Enthalten in: |
Advances in therapy - 41(2024), 4 vom: 01. März, Seite 1746-1758 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Moseley, Brian [VerfasserIn] |
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| Links: |
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| Themen: |
563KS2PQY5 |
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| Anmerkungen: |
Date Completed 25.03.2024 Date Revised 26.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s12325-024-02795-z |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a Efficacy and Tolerability of Adjunctive Brivaracetam in Patients with Focal-Onset Seizures on Specific Concomitant Antiseizure Medications |b Pooled Analysis of Double-Blind, Placebo-Controlled Trials |
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| 520 | |a © 2024. The Author(s). | ||
| 520 | |a INTRODUCTION: This article aimed to assess the efficacy and tolerability of adjunctive brivaracetam (BRV) in adults with focal-onset seizures on specific concomitant antiseizure medications (ASMs) taken as part of their treatment regimen | ||
| 520 | |a METHODS: This was a post hoc analysis of pooled data from double-blind, placebo-controlled trials (N01252/NCT00490035, N01253/NCT00464269, and N01358/NCT01261325) in patients with uncontrolled focal-onset seizures randomized to BRV (50-200 mg/day) or placebo on the most common concomitant ASMs at trial initiation | ||
| 520 | |a RESULTS: Nine concomitant ASMs were analyzed: carbamazepine (CBZ), lamotrigine (LTG), valproate (VPA), oxcarbazepine (OXC), topiramate (TPM), phenytoin (PHT), lacosamide (LCM), clobazam (CLB), and phenobarbital (PHB). Reduction over placebo in focal-onset seizure frequency per 28 days with BRV ranged from 11.7% (concomitant OXC) to 33.5% (concomitant PHB). The median percentage reduction from baseline in focal-onset seizure frequency per 28 days ranged from 25.5% to 42.8% in patients on BRV (placebo 4.4-21.2%); 50% responder rates ranged from 31.9% to 44.9% in patients on BRV (placebo 11.4-25.2%). In patients on BRV, seizure freedom ranged from 1.4% (concomitant PHT) to 12.5% (concomitant LCM); seizure freedom ranged from 0% to 1.2% in patients on placebo. All efficacy endpoints analyzed were consistently numerically higher in patients on BRV versus placebo. The overall incidence of treatment-emergent adverse events (TEAEs) was generally similar across subgroups by specific concomitant ASMs in patients on BRV (range 60.8-74.5%) or placebo (range 53.8-66.7%). Drug-related TEAEs were numerically higher across all subgroups by concomitant ASM in patients on BRV (range 35.2-48.3%) versus placebo (range 23.9-37.1%). Discontinuations due to TEAEs ranged from 2.9% to 13.3% in patients on BRV and was 0-5.7% for patients taking placebo across subgroups | ||
| 520 | |a CONCLUSION: BRV was efficacious and well tolerated regardless of the specific concomitant ASMs used as part of their treatment regimen. These data show that in patients with focal-onset seizures, BRV provides additional efficacy to a broad range of ASMs | ||
| 650 | 4 | |a Randomized Controlled Trial | |
| 650 | 4 | |a Journal Article | |
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| 650 | 4 | |a Brivaracetam | |
| 650 | 4 | |a Efficacy | |
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| 700 | 1 | |a Borghs, Simon |e verfasserin |4 aut | |
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