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Effects of early adjunctive pharmacotherapy on serum levels of brain injury biomarkers in patients with traumatic brain injury: a systematic review of randomized controlled studies

Affiliation
Clinical Pharmacy and Pharmacy Practice Department ,Faculty of Pharmacy ,Mansoura University ,Mansoura ,Egypt
Mansour, Noha O.;
Affiliation
School of Pharmaceutical Sciences ,Universiti Sains Malaysia ,Minden ,Malaysia
Elnaem, Mohamed Hassan;
Affiliation
Pharmacy Practice and Clinical Pharmacy Department ,Faculty of Pharmacy ,Future University in Egypt ,Cairo ,Egypt
Abdelaziz, Doaa H.;
Affiliation
Department of Clinical Pharmacy and Therapeutics ,Faculty of Pharmacy ,Applied Science Private University ,Amman ,Jordan
Barakat, Muna;
Affiliation
School of Pharmacy ,University of Birmingham ,Birmingham ,United Kingdom
Dehele, Inderpal Singh;
Affiliation
College of Pharmacy ,Umm Al-Qura University ,Makkah ,Saudi Arabia
Elrggal, Mahmoud E.;
Affiliation
Department of Clinical Pharmacy ,Faculty of Pharmacy ,University of Sadat City ,Sadat City ,Egypt
Abdallah, Mahmoud S.

Objectives: Traumatic brain injury (TBI) is one of the top causes of morbidity and mortality worldwide. The review aimed to discuss and summarize the current evidence on the effectiveness of adjuvant neuroprotective treatments in terms of their effect on brain injury biomarkers in TBI patients. Methods: To identify relevant studies, four scholarly databases, including PubMed, Cochrane, Scopus, and Google Scholar, were systematically searched using predefined search terms. English-language randomized controlled clinical trials reporting changes in brain injury biomarkers, namely, neuron-specific enolase (NSE), glial fibrillary acid protein (GFAP), ubiquitin carboxyl-terminal esterase L1 (UCHL 1 ) and/or S100 beta (S100 ß), were included. The methodological quality of the included studies was assessed using the Cochrane risk-of-bias tool. Results: A total of eleven studies with eight different therapeutic options were investigated; of them, tetracyclines, metformin, and memantine were discovered to be promising choices that could improve neurological outcomes in TBI patients. The most utilized serum biomarkers were NSE and S100 ß followed by GFAP, while none of the included studies quantified UCHL 1 . The heterogeneity in injury severity categories and measurement timing may affect the overall evaluation of the clinical efficacy of potential therapies. Therefore, unified measurement protocols are highly warranted to inform clinical decisions. Conclusion: Few therapeutic options showed promising results as an adjuvant to standard care in patients with TBI. Several considerations for future work must be directed towards standardizing monitoring biomarkers. Investigating the pharmacotherapy effectiveness using a multimodal biomarker panel is needed. Finally, employing stratified randomization in future clinical trials concerning potential confounders, including age, trauma severity levels, and type, is crucial to inform clinical decisions. Clinical Trial Registration: [ https://www.crd.york.ac.uk/prospero/dis ], identifier [CRD42022316327].

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License Holder: Copyright © 2023 Mansour, Elnaem, Abdelaziz, Barakat, Dehele, Elrggal and Abdallah.

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