A review of neuroprotection pharmacology and therapies in patients with acute traumatic brain injury
Abstract
Traumatic brain injury (TBI) affects 1.6 million Americans annually. The injury severity impacts the overall outcome and likelihood for survival. Current treatment of acute TBI includes surgical intervention and supportive care therapies. Treatment of elevated intracranial pressure and optimizing cerebral perfusion are cornerstones of current therapy. These approaches do not directly address the secondary neurological sequelae that lead to continued brain injury after TBI. Depending on injury severity, a complex cascade of processes are activated and generate continued endogenous changes affecting cellular systems and overall outcome from the initial insult to the brain. Homeostatic cellular processes governing calcium influx, mitochondrial function, membrane stability, redox balance, blood flow and cytoskeletal structure often become dysfunctional after TBI. Interruption of this cascade has been the target of numerous pharmacotherapeutic agents investigated over the last two decades. Many agents such as selfotel, pegorgotein (PEG-SOD), magnesium, deltibant and dexanabinol were ineffective in clinical trials. While progesterone and ciclosporin have shown promise in phase II studies, success in larger phase III, randomized, multicentre, clinical trials is pending. Consequently, no neuroprotective treatment options currently exist that improve neurological outcome after TBI. Investigations to date have extended understanding of the injury mechanisms and sites for intervention.…
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No effective interventions are available to improve recovery following TBI.
“To date, no effective interventions are available to improve recovery following TBI (42–44).”
From The Inflammatory Continuum of Traumatic Brain Injury and Alzheimer’s Disease (2018) · cites this paper as [42]
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Downregulation of miR-491-5p promotes neovascularization after traumatic brain injury
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“Secondary ischemic injury exacerbates secondary brain injury, resulting in excessive inflammation and oxidative stress, which eventually aggravates neuronal apoptosis (McConeghy et al., 2012; Gyoneva and Ransohoff, 2015).”
BackgroundThe potential for immune checkpoint modulators in cerebrovascular injury and inflammation
Kim, J. E., Patel, K. K., & Jackson, C. M. (2020) · Expert Opinion on Therapeutic Targets · doi:10.1080/14728222.2021.1869213 · Cited by 30 · see citing works
“Despite promising preclinical studies, most clinical trials of therapeutic immunomodulators for the treatment of TBI have had disappointing results [53,54].”
BackgroundDobrachinski, F., Gerbatin, R. R., Sartori, G., Golombieski, R. M., Antoniazzi, A. Q., Nogueira, C. W., Royes, L. F. F., Fighera, M. R., Porciúncula, L. O., Cunha, R. A., et al. (2018) · Molecular Neurobiology · doi:10.1007/s12035-018-1296-1 · Cited by 33 · see citing works
Tang, H., He, K., Zhao, K., Chen, Z., Wu, W., Jin, W., Yang, L., & Xie, B. (2023) · Journal of Neurotrauma · doi:10.1089/neu.2023.0150 · Cited by 31 · see citing works
“26,27 Unfortunately, none of the compounds have been moved into clinical trials.”
Miller, H. A., Magsam, A. W., Tarudji, A. W., Romanova, S., Weber, L., Gee, C. C., Madsen, G. L., Bronich, T. K., & Kievit, F. M. (2019) · Scientific Reports · doi:10.1038/s41598-019-52622-7 · Cited by 29 · see citing works
Liu, Y.-L., Yuan, F., Yang, D.-X., Xu, Z., Jing, Y., Yang, G.-Y., Geng, Z., Xia, W., & Tian, H.-L. (2018) · Journal of Neurotrauma · doi:10.1089/neu.2017.5397 · Cited by 26 · see citing works
“3 Cerebral edema, which is a fatal pathological phenomenon following TBI, elevates intracranial pressure (ICP) due to an increase in brain volume within the enclosed skull.”
Maturation-dependent response of neurogenesis after traumatic brain injury in children.
Taylor, S. R., Smith, C. M., Harris, B. T., Costine, B. A., & Duhaime, A. (2013) · Journal of Neurosurgery: Pediatrics · doi:10.3171/2013.8.peds13154 · Cited by 26 · see citing works
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Pan, M., Tang, J.-C., Liu, R., Feng, Y.-G., & Wan, Q. (2018) · Chinese journal of traumatology = Zhonghua chuang shang za zhi · doi:10.1016/j.cjtee.2018.04.003 · Cited by 24 · see citing works
Frank, D., Gruenbaum, B., Shelef, I., Zvenigorodsky, V., Severynovska, O., Fleidervish, I., Knyazer, B., Frenkel, A., Zlotnik, A., Kofman, O., et al. (2023) · Translational Psychiatry · doi:10.1038/s41398-023-02329-1 · Cited by 23 · see citing works
“Neurological motor symptoms of TBI were attenuated by limiting excess glutamate with dextorphan [28], n-methyl-D-aspartate (NMDA) antagonists [29], stimulation of Na+ -dependent excitatory amino acid transporters [30], or antibiotics and other drugs that block calcium channels or glutamate release [31].”
BackgroundHuang, C.-J., Zhao, L., Gu, J., Nie, D.-K., Chen, Y.-N., Zuo, H., Huan, W., Shi, J.-L., Chen, J., & Shi, W. (2016) · Biomedical Materials · doi:10.1088/1748-6041/11/3/035004 · Cited by 23
“Traumatic brain injury (TBI) often results in mortality or long-term disabilities such as dysphasia or cognitive deficits [1].”
BackgroundViñas-Ríos, J. M., Sánchez-Aguilar, M., Sánchez-Rodríguez, J., González-Aguirre, D., Heinen, C., Meyer, F., & Kretschmer, T. (2014) · Neurological Research · doi:10.1179/1743132813y.0000000272 · Cited by 23
Donat, C. K., Fischer, F., Walter, B. L., Deuther‐Conrad, W., Brodhun, M., Bauer, R., & Brust, P. (2014) · Acta Neurobiologiae Experimentalis · doi:10.55782/ane-2014-1985 · Cited by 24 · see citing works
“However, while some trials are still ongoing, many failed (Tolias and Bullock 2004, McConeghy et al. 2012).”
BackgroundHaar, C. V., Anderson, G., Elmore, B. E., Moore, L. H., Wright, A. M., Kantor, E., Farin, F., Bammler, T., MacDonald, J. W., & Hoane, M. (2014) · Journal of Neurotrauma · doi:10.1089/neu.2013.3119 · Cited by 22 · see citing works
Fryer, A. L., Abdullah, A., Mobilio, F., Jobling, A., Moore, Z., de Veer, M., Zheng, G., Wong, B., Taylor, J. M., & Crack, P. (2024) · British Journal of Pharmacology · doi:10.1111/bph.16347 · Cited by 21 · see citing works
“Secondary injury in TBI is a complex array of interrelated molecular processes, such as excitotoxicity, necrosis and neuroinflammation, which all contribute to chronic neurodegeneration (Dixon, 2017; McConeghy et al., 2012).”
Argon gas: a potential neuroprotectant and promising medical therapy
Nowrangi, D., Tang, J.-P., & Zhang, J. H. (2014) · Medical Gas Research · doi:10.1186/2045-9912-4-3 · Cited by 20 · see citing works
“physical trauma [33,34].”
Varga, P., Lehoczki, A., Fekete, M., Jarecsny, T., Kryczyk‐Poprawa, A., Zábó, V., Major, D., Fazekas‐Pongor, V., Csípő, T., & Varga, J. T. (2025) · Nutrients · doi:10.3390/nu17132216 · Cited by 16 · see citing works
“Patients with acute neurological conditions (e.g., stroke, traumatic brain injury) may not benefit substantially from magnesium therapy due to its slow cellular uptake and the narrow therapeutic window in such emergencies [176,177].”
Proteomics: in pursuit of effective traumatic brain injury therapeutics
Lizhnyak, P. N., & Ottens, A. K. (2015) · Espert Review of Proteomics · doi:10.1586/14789450.2015.1000869 · Cited by 19 · see citing works
“On reflection, we have been ineffective matching drug pharmacology within the heterogeneous human TBI population [13].”
MethodBuccilli, B., Alan, A., Baha’, A., Shahzad, A., Almealawy, Y. F., Chisvo, N., Ennabe, M., & Weinand, M. E. (2024) · Surgical neurology international · doi:10.25259/sni_773_2023 · Cited by 18 · see citing works
“[49,53] Immune system modulation e immunosuppressant Cyclosporine-A reduces T-cell-mediated immunity and is used in organ transplant recipients.”
BackgroundTang, W., Chai, W., Du, D., Xia, Y.-Z., Wu, Y.-F., Jiang, L., Cheng, C.-J., Guo, Z.-D., Sun, X.-C., Huang, Z., et al. (2022) · Oxidative Medicine and Cellular Longevity · doi:10.1155/2022/8188404 · Cited by 18
“The secondary injury, such as oxidative stress, mitochondrial dysfunction, calcium over-loading, and neuroin fl ammation, strongly in fl uences the outcomes of TBI, which to some degree are reversible and can be mitigated by therapeutics [3 – 5].”
Apostol, C. R., Bernard, K., Tanguturi, P., Molnar, G., Bartlett, M. J., Szabó, L., Liu, C., Ortiz, J. B., Saber, M., Giordano, K. R., et al. (2022) · Frontiers in Drug Discovery · doi:10.3389/fddsv.2021.818003 · Cited by 20 · see citing works
“None of the available treatments have been clinically successful for TBI to date (Hall et al., 2010; Xiong et al., 2010; McConeghy et al., 2012; Tsang and Whitfield, 2012; Algattas and Huang, 2013).”
BackgroundLi, H., Zhang, C.-G., Yang, C.-Z., Blevins, M. A., Norris, D., Zhao, R., & Huang, M. (2019) · bioRxiv · doi:10.7150/ijbs.42109 · Cited by 18 · see citing works
“There is a compelling need for effective neuroprotective interventions that improve functional outcomes in TBI patients [22, 23].”
BackgroundDay, N. L., Carle, M. S., & Floyd, C. L. (2017) · Neurochemistry International · doi:10.1016/j.neuint.2017.04.018 · Cited by 18 · see citing works
“L. Day), Msc4705@uab.edu du (C.L. Floyd). pharmacotherapeutics available that effectively attenuate the secondary biochemical damage (Loane and Faden, 2010; McConeghy et al., 2012).”
Protection against Blast-Induced Traumatic Brain Injury by Increase in Brain Volume
Gu, M., Kawoos, U., Mccarron, R., & Chavko, M. (2017) · BioMed Research International · doi:10.1155/2017/2075463 · Cited by 18
“Several attempts to minimize secondary brain injury after TBI by pharmacological intervention or hypothermia were ineffective in clinical trials [14].”
Why Does Brain Trauma Research Fail?
Alves, J. L., Rato, J. R., & da Silva, V. M. M. (2019) · World Neurosurgery · doi:10.1016/j.wneu.2019.06.212 · Cited by 26 · see citing works
Diltiazem Promotes Regenerative Axon Growth
Huebner, E. A., Budel, S., Jiang, Z.-X., Omura, T., Ho, T., Barrett, L. B., Merkel, J., Pereira, L. M., Andrews, N., Wang, X.-X., et al. (2018) · Molecular Neurobiology · doi:10.1007/s12035-018-1349-5 · Cited by 17 · see citing works
Li, X., Xu, H., Lei, T., Yang, Y.-F., Jing, D., Dai, S.-H., Luo, P., & Xu, Q. (2017) · Frontiers in Neuroscience · doi:10.3389/fnins.2017.00042 · Cited by 17
“However, clinical trials have reported unsatisfactory results for drugs designed to treat excitotoxicity (McConeghy et al., 2012).”
BackgroundChiu, L.-S., Anderton, R., Knuckey, N., & Meloni, B. (2016) · Expert Review of Neurotherapeutics · doi:10.1586/14737175.2016.1150180 · Cited by 17
“However, it appears that these agents may be of limited benefit following TBI [5,7].”
BackgroundJames, M. L., Komisarow, J. M., Wang, H., & Laskowitz, D. T. (2020) · Neurotherapeutics · doi:10.1007/s13311-020-00858-x · Cited by 23 · see citing works
Chiu, L. S., Anderton, R. S., Knuckey, N. W., & Meloni, B. P. (2016) · Molecular Neurobiology · doi:10.1007/s12035-016-0287-3 · Cited by 14 · see citing works
Anderson, G., Peterson, T. C., Haar, C. V., Farin, F., Bammler, T., MacDonald, J. W., Kantor, E., & Hoane, M. (2015) · AAPS Journal · doi:10.1208/s12248-015-9792-y · Cited by 16 · see citing works
Frank, D., Gruenbaum, B., Shelef, I., Zvenigorodsky, V., Severynovska, O., Gal, R., Dubilet, M., Zlotnik, A., Kofman, O., & Boyko, M. (2022) · Frontiers in Neuroscience · doi:10.3389/fnins.2022.832478 · Cited by 15 · see citing works
Effects of nicotinamide on spatial memory and inflammation after juvenile traumatic brain injury
Smith, A. C., Holden, R., Rasmussen, S. M., Hoane, M. R., & Hylin, M. J. (2019) · Behavioural Brain Research · doi:10.1016/j.bbr.2019.02.024 · Cited by 16 · see citing works
“Preclinical trials of neuroprotective compounds have been numerous over the years, but many of these treatments have failed to show consistent neuroprotection in Phase II/III trials [13].”
Endogenous Neuroprotective Molecules and Their Mechanisms in the Central Nervous System.
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Brain Metabolic Crisis in Traumatic Brain Injury: What Does It Mean?
Oliveira, M. D. L., Paiva, W., Teixeira, M., & Bor-Seng-Shu, E. (2014) · Journal of Neurotrauma · doi:10.1089/neu.2014.3386 · Cited by 15
“Some studies have found favorable effects of cyclosporin A on mitochondrial dysfunction, 10,12,14 which is linked to LPR1.”
- Authors
- McConeghy, K. W., Hatton, J., Hughes, L., & Cook, A. M.
- Affiliations
- University of Kentucky HealthCare (US)
- University of Kentucky (US)
- Corresponding author
- Cook, Aaron M.
- Venue
- CNS Drugs
- Published
- 2012-07
- Volume
- 26
- Issue
- 7
- Pages
- 613-636
- ISSN
- 1172-7047 (ISSN-L)
- OpenAlex
- W2006925820
- Cited by
- 158
- References
- 0
- Citations by year
- 2025: 4 · 2024: 8 · 2023: 3 · 2022: 10 · 2021: 8 · 2020: 10 · 2019: 11 · 2018: 16 · 2017: 20 · 2016: 17 · 2015: 18 · 2014: 17 · 2013: 13 · 2012: 3
- FWCI
- 2.29
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- CNS Drugs (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Neurology › Traumatic Brain Injury and Neurovascular Disturbances
- Health Sciences › Medicine › Epidemiology › Traumatic Brain Injury Research
- Life Sciences › Neuroscience › Neurology › Neurological Disorders and Treatments
- Keywords
- traumatic brain injury, neuroprotection, secondary brain injury, intracranial pressure, cerebral perfusion, calcium influx, mitochondrial dysfunction, redox homeostasis, blood flow, cytoskeleton, magnesium, progesterone, cyclosporine, biomarkers, clinical trial design
- MeSH terms
- Animals, Brain Injuries, Clinical Trials as Topic, Humans, Prognosis, Multicenter Studies as Topic, Randomized Controlled Trials as Topic, Neuroprotective Agents
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