Use of amantadine in traumatic brain injury: an updated meta-analysis of randomized controlled trials

IntroductionAmantadine has been shown to accelerate cognitive and functional brain recovery after cerebrovascular accidents. However, the efficacy of this drug in TBI patients remains poorly defined.MethodsWe performed a systematic review and meta-analysis of randomized trials (RCTs) evaluating the...

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Main Authors: João Félix, Luísa Araújo, Antônio Henriques, Ana Pereira, Saul Carneiro
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Neurology
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Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2024.1444623/full
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author João Félix
Luísa Araújo
Antônio Henriques
Ana Pereira
Saul Carneiro
author_facet João Félix
Luísa Araújo
Antônio Henriques
Ana Pereira
Saul Carneiro
author_sort João Félix
collection DOAJ
description IntroductionAmantadine has been shown to accelerate cognitive and functional brain recovery after cerebrovascular accidents. However, the efficacy of this drug in TBI patients remains poorly defined.MethodsWe performed a systematic review and meta-analysis of randomized trials (RCTs) evaluating the effects of amantadine in TBI patients. The Cochrane, Embase, and PubMed databases were systematically searched for trials published up to March 24, 2024. Data from previous RCTs were extracted and quality assessed according to Cochrane recommendations. Means and standard deviations with 95% confidence intervals were aggregated across studies. The primary outcomes assessed were Glasgow Coma Scale (GCS), Mini Mental State Examination (MMSE) and the Disability Rating Scale (DRS).ResultsFrom 1,292 database results, 6 studies with 426 patients were included, of which 205 received amantadine (48.12%). The Glasgow Coma Scale score on day 7 (MD 1.50; 95% CI 0.08–2.92; p = 0.038; I2 = 68%) was significantly higher in patients treated with amantadine than those treated with placebo. The Mini Mental State Examination (MD 3.23; 95% CI 0.53–5.94; p = 0.019; I2 = 0%) was also better in patients treated with amantadine. No significant differences in Disability Rating Scale, day 3 GCS, Glasgow Outcome Scale (GOS), length of hospital stay, or duration of mechanical ventilation were observed between amantadine and placebo groups.ConclusionIn our analysis, TBI patients benefit from the use of amantadine in the day 7 GCS score and show better results in the MMSE test, but placebo patients benefit from not using amantadine in the DRS between weeks 3 and 4. No other statistically significant results were found related to the use of this medication.Systematic review registration: https://www.crd.york.ac.uk/prospero/display_ record.php?ID=CRD42024538110, CRD42024538110.
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spelling doaj-art-b5e693f3a4f742d09351f066c71bda562025-01-21T05:43:16ZengFrontiers Media S.A.Frontiers in Neurology1664-22952025-01-011510.3389/fneur.2024.14446231444623Use of amantadine in traumatic brain injury: an updated meta-analysis of randomized controlled trialsJoão FélixLuísa AraújoAntônio HenriquesAna PereiraSaul CarneiroIntroductionAmantadine has been shown to accelerate cognitive and functional brain recovery after cerebrovascular accidents. However, the efficacy of this drug in TBI patients remains poorly defined.MethodsWe performed a systematic review and meta-analysis of randomized trials (RCTs) evaluating the effects of amantadine in TBI patients. The Cochrane, Embase, and PubMed databases were systematically searched for trials published up to March 24, 2024. Data from previous RCTs were extracted and quality assessed according to Cochrane recommendations. Means and standard deviations with 95% confidence intervals were aggregated across studies. The primary outcomes assessed were Glasgow Coma Scale (GCS), Mini Mental State Examination (MMSE) and the Disability Rating Scale (DRS).ResultsFrom 1,292 database results, 6 studies with 426 patients were included, of which 205 received amantadine (48.12%). The Glasgow Coma Scale score on day 7 (MD 1.50; 95% CI 0.08–2.92; p = 0.038; I2 = 68%) was significantly higher in patients treated with amantadine than those treated with placebo. The Mini Mental State Examination (MD 3.23; 95% CI 0.53–5.94; p = 0.019; I2 = 0%) was also better in patients treated with amantadine. No significant differences in Disability Rating Scale, day 3 GCS, Glasgow Outcome Scale (GOS), length of hospital stay, or duration of mechanical ventilation were observed between amantadine and placebo groups.ConclusionIn our analysis, TBI patients benefit from the use of amantadine in the day 7 GCS score and show better results in the MMSE test, but placebo patients benefit from not using amantadine in the DRS between weeks 3 and 4. No other statistically significant results were found related to the use of this medication.Systematic review registration: https://www.crd.york.ac.uk/prospero/display_ record.php?ID=CRD42024538110, CRD42024538110.https://www.frontiersin.org/articles/10.3389/fneur.2024.1444623/fullamantadinetraumatic brain injuryneurotraumameta-analysisplacebo
spellingShingle João Félix
Luísa Araújo
Antônio Henriques
Ana Pereira
Saul Carneiro
Use of amantadine in traumatic brain injury: an updated meta-analysis of randomized controlled trials
Frontiers in Neurology
amantadine
traumatic brain injury
neurotrauma
meta-analysis
placebo
title Use of amantadine in traumatic brain injury: an updated meta-analysis of randomized controlled trials
title_full Use of amantadine in traumatic brain injury: an updated meta-analysis of randomized controlled trials
title_fullStr Use of amantadine in traumatic brain injury: an updated meta-analysis of randomized controlled trials
title_full_unstemmed Use of amantadine in traumatic brain injury: an updated meta-analysis of randomized controlled trials
title_short Use of amantadine in traumatic brain injury: an updated meta-analysis of randomized controlled trials
title_sort use of amantadine in traumatic brain injury an updated meta analysis of randomized controlled trials
topic amantadine
traumatic brain injury
neurotrauma
meta-analysis
placebo
url https://www.frontiersin.org/articles/10.3389/fneur.2024.1444623/full
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