Summary
Traumatic brain injury (TBI) remains one of the leading causes of mortality and morbidity worldwide in individuals under the age of 45 years, and, despite extensive efforts to develop neuroprotective therapies, there has been no successful outcome in any trial of neuroprotection to date. In addition to recognizing that many TBI clinical trials have not been optimally designed to detect potential efficacy, the failures can be attributed largely to the fact that most of the therapies investigated have been targeted toward an individual injury factor. The contemporary view of TBI is that of a very heterogenous type of injury, one that varies widely in etiology, clinical presentation, severity, and pathophysiology. The mechanisms involved in neuronal cell death after TBI involve an interaction of acute and delayed anatomic, molecular, biochemical, and physiological events that are both complex and multifaceted. Accordingly, neuropharmacotherapies need to be targeted at the multiple injury factors that contribute to the secondary injury cascade, and, in so doing, maximize the likelihood of a successful outcome. This review focuses on a number of such multifunctional compounds that have shown considerable success in experimental studies and that show maximum promise for success in clinical trials.
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References
Finfer SR, Cohen J. Severe traumatic brain injury. Resuscitation 2001;48:77–90.
Kraus JF. Epidemiology of head injury. In: Cooper PR, editor. Head injury. 3rd ed. Baltimore: Williams & Wilkins, 1993:1–25.
Hillier SL, Hiller JE, Metzer J. Epidemiology of traumatic brain injury in South Australia. Brain Injury 1997;11:649–659.
Mendelow AD, Crawford PJ. Primary and secondary brain injury. In: Reilly PL, Bullock R, editors. Head injury: pathophysiology and management of severe closed injury. 1st ed. London: Chapman & Hall, 1997: 72–88.
McIntosh TK, Smith DH, Meaney DF, Kotapka MJ, Gennarelli TA, Graham DI. Neuropathological sequelae of traumatic brain injury: relationship to neurochemical and biomechanical mechanisms. Lab Invest 1996;74: 315–342.
Maas AI. Neuroprotective agents in traumatic brain injury. Expert Opin Investig Drugs 2001;10:753–767.
Narayan RK, Michel ME, Ansell B, et al.; Clinical Trials in Head Injury Study Group. J Neurotrauma 2002;19:503–557.
Tolias CM, Bullock MR. Critical appraisal of neuroprotection trials in head injury: what have we learned? NeuroRx 2004;1:71–79.
Faden AI. Neuroprotection and traumatic brain injury: theoretical option or realistic proposition? Curr Opin Neurol 2002;15:707–712.
Olney JW, Labruyere J, Price MT. Pathological changes induced in cerebrocortical neurons by phencyclidine and related drugs. Science 1989;244:1360–1362.
Hickenbottom SL, Grotta J. Neuroprotective therapy. Semin Neurol 1998;18:485–492.
Gentile NT, McIntosh TK. Antagonists of excitatory amino acids and endogenous opioid peptides in the treatment of experimental central nervous systems injury. Ann Emerg Med 1993;22:1028–1035.
Willis C, Lybrand S, Bellamy N. Excitatory amino acid inhibitors for traumatic brain injury. Cochrane Database Syst Rev. 2004; (l):CD003986.
Faden AI, Demediuk P, Panter SS, Vink R. The role of excitatory amino acids and NMDA receptors in traumatic brain injury. Science 1989;244:798–800.
Lea PM 4th, Faden AI. Traumatic brain injury: developmental differences in glutamate receptor response and the impact on treatment. Ment Retard Dev Disabil Res Rev 2001;7:235–248.
Haeberlein SL. Mitochondrial function in apoptotic neuronal cell death. Neurochem Res 2004;29:521–530.
Signoretti S, Marmarou A, Aygok GA, Fatouros PP, Portella G, Bullock RM. Assessment of mitochondrial impairment in traumatic brain injury using high-resolution proton magnetic resonance spectroscopy. J Neurosurg 2008;108:42–52.
Petronilli V, Penzo D, Scorrano L, Bemardi P, Di Lisa F. The mitochondrial permeability transition, release of cytochrome c and cell death: correlation with the duration of pore openings in situ. J Biol Chem 2001;276:12030–12034.
Hansson MJ, Månsson R, Mattiasson G, et al. Brain-derived respiring mitochondria exhibit homogeneous, complete and cyclosporin-sensitive permeability transition. J Neurochem 2004;89:715–729.
Fiskum G. Mitochondrial participation in ischemic and traumatic neural cell death. J Neurotrauma 2000;17:843–855.
Fiskum G. Mechanisms of neuronal death and neuroprotection. J Neurosurg Anesthesiol 2004;16:108–110.
Mattiasson G, Friberg H, Hansson M, Elmér E, Wieloch T. Flow cytometric analysis of mitochondria from CA1 and CA3 regions of rat hippocampus reveals differences in permeability transition pore activation. J Neurochem 2003;87:532–544.
Lemasters JJ, Nieminen AL, Qian T, et al. The mitochondrial permeability transition in cell death: a common mechanism in necrosis, apoptosis and autophagy. Biochim Biophys Acta 1998;1366:177–196.
Xiong Y, Gu Q, Peterson PL, Muizelaar JP, Lee CP. Mitochondrial dysfunction and calcium pertubation induced by traumatic brain injury. J Neurotrauma 1997;14:23–34.
Clausen T, Zauner A, Levasseur JE, Rice AC, Bullock R. Induced mitochondrial failure in the feline brain: implications for understanding acute post-traumatic metabolic events. Brain Res 2001;908:35–48.
Cernak I, Savic VJ, Kotur J, Prokic V, Veljovic M, Grbovic D. Characterization of plasma magnesium concentration and oxidative stress following graded traumatic brain injury in humans. J Neurotrauma 2000;17:53–68.
Ikeda Y, Long DM. The molecular basis of brain injury and brain edema: the role of oxygen free radicals. Neurosurgery 1990;27:1–11.
Lewén A, Matz P, Chan PH. Free radical pathways in CNS injury. J Neurotrauma 2000;17: 871–890.
Shohami E, Beit-Yannai E, Horowitz M, Kohen R. Oxidative stress in closed-head injury: brain antioxidant capacity as an indicator of functional outcome. J Cereb Blood Flow Metab 1997;17:1007–1019.
Hall ED, Yonkers PA, Andrus PK, Cox JW, Anderson DK. Biochemistry and pharmacology of lipid antioxidants in acute brain and spinal cord injury. J Neurotrauma 1992;9:S425-S442.
Marklund N, Clausen F, Lewander T, Hillered L. Monitoring of reactive oxygen species production after traumatic brain injury in rats with microdialysis and the 4-hydroxybenzoic acid trapping method. J Neurotrauma 2001;18: 1217–1227.
Morganti-Kossmann MC, Satgunaseelan L, Bye N, Kossmann T. Modulation of immune response by head injury. Injury 2007;38:1360–1362.
Israelsson C, Bengtsson H, Kylberg A, et al. Distinct cellular patterns of upregulated chemokine expression supporting a prominent inflammatory role in traumatic brain injury. J Neurotrauma 2008;25:959–974.
Craft JM, Watterson DM, Van Eldik LJ. Neuroinflammation: a potential therapeutic target. Expert Opin Ther Targets 2005;9:887–900.
Habgood MD, Bye N, Dziegielewska KM, et al. Changes in blood-brain barrier permeability to large and small molecules following traumatic brain injury in mice. Eur J Neurosci 2007;25:231–238.
Ballabh P, Braun A, Nedergaard M. The blood-brain barrier: an overview: structure, regulation, and clinical implications. Neurobiol Dis 2004;16:1–13.
Nimmo AJ, Cernak I, Heath DL, Hu X, Bennett CJ, Vink R. Neurogenic inflammation is associated with development of edema and functional deficits following traumatic brain injury in rats. Neuropeptides 2004;38:40–47.
Krizanac-Bengez L, Mayberg MR, Janigro D. The cerebral vasculature as a therapeutic target for neurological disorders and the role of shear stress in vascular homeostatis [sic] and pathophysiology. Neurol Res 2004;26:846–853.
Klatzo I. Brain Edema. In: Odom GL, editor. Central nervous system trauma research status report. Washington, DC: National Institutes of Health, 1979:110–112.
Baskaya MK, Dogan A, Rao AM, Dempsey RJ. Neuroprotective effects of citicoline on brain edema and blood-brain barrier breakdown after traumatic brain injury. J Neurosurg 2000;92:448–452.
Kimelberg HK. Current concepts of brain edema: review of laboratory investigations. J Neurosurg 1995;83: 1051–1059.
Stover JF, Unterberg AW. Increased cerebrospinal fluid glutamate and taurine concentrations are associated with traumatic brain edema formation in rats. Brain Res 2000;875:51–55.
Duvdevani R, Roof RL, Fulop Z, Hoffman SW, Stein DG. Blood-brain barrier breakdown and edema formation following frontal cortical contusion: does hormonal status play a role? J Neurotrauma 1995;12:65–75.
Graham DI. Neuropathology of head injury. In: Narayan RK, Wilberger JE Jr, Povlishock JT, editors. Neurotrauma. New York: McGraw-Hill, 1996.
Treggiari MM, Schutz N, Yanez ND, Romand JA. Role of intracranial pressure values and patterns in predicting outcome in traumatic brain injury: a systematic review. Neurocrit Care 2007;6:104–112.
Carter BG, Butt W, Taylor A. ICP and CPP: excellent predictors of long term outcome in severely brain injured children. Childs Nerv Syst 2008;24:245–251.
Walberer M, Ritschel N, Nedelmann M, et al. Aggravation of infarct formation by brain swelling in a large territorial stroke: a target for neuroprotection? J Neurosurg 2008;109:287–293.
Reilly PL. Management of intracranial pressure and cerebral perfusion. In: Reilly PL, Bullock R, Head injury: pathophysiology and management of severe closed injury. 1st ed. London: Chapman & Hall, 1997:385–406.
Reiss AB, Wirkowski E. Role of HMG-CoA reductase inhibitors in neurological disorders: progress to date. Drugs 2007;67:2111–2120.
Rajanikant GK, Zemke D, Kassab M, Majid A. The therapeutic potential of statins in neurological disorders. Curr Med Chem 2007;14:103–112.
Eto M, Kozai T, Cosentino F, Joch H, Luscher TF. Statin prevents tissue factor expression in human endothelial cells: role of Rho/ Rho-kinase and Akt pathways. Circulation 2002;105:1756–1759.
Maeda T, Kawane T, Horiuchi N. Statins augment vascular endothelial growth factor expression in osteoblastic cells via inhibition of protein prenylation. Endocrinology 2003;144:681–692.
Delanty N, Vaughan CJ, Sheehy N. Statins and neuroprotection. Expert Opin Investig Drugs 2001;10:1847–1853.
Laufs U. Beyond lipid-lowering: effects of statins on endothelial nitric oxide. Eur J Clin Pharmacol 2003;58: 719–731.
Zacco A, Togo J, Spence K, et al. 3-Hydroxy-3-methylglutaryl coenzyme A reductase inhibitors protect cortical neurons from excitotoxicity. J Neurosci 2003;23:11104–11111.
Bösel J, Gandor F, Harms C, et al. Neuroprotective effects of atorvastatin against glutamate-induced excitotoxicity in primary cortical neurones. J Neurochem 2005;92:1386–1398.
Dolga AM, Nijholt IM, Ostroveanu A, Ten Bosch Q, Luiten PG, Eisel UL. Lovastatin induces neuroprotection through tumor necrosis factor receptor 2 signaling pathways. J Alzheimers Dis 2008;13:111–122.
Chen J, Zhang ZG, Li Y, et al. Statins induce angiogenesis, neurogenesis, and synaptogenesis after stroke. Ann Neurol 2003;53:743–751.
Lu D, Mahmood A, Goussev A, et al. Atorvastatin reduction of intravascular thrombosis, increase in cerebral microvascular patency and integrity, and enhancement of spatial learning in rats subjected to traumatic brain injury. J Neurosurg 2004;101:813–821.
Lu D, Qu C, Goussev A, et al. Statins increase neurogenesis in the dentate gyrus, reduce delayed neuronal death in the hippocampal CA3 region, and improve spatial learning in rat after traumatic brain injury. J Neurotrauma 2007;24: 1132–1146.
Franke C, Noldner M, Abdel-Kader R, et al. Bcl-2 upregulation and neuroprotection in guinea pig brain following chronic simvastatin treatment. Neurobiol Dis 2007;25:438–445.
Pannu R, Christic DK, Barbosa E, Singh I, Singh AK. Posttrauma Lipitor treatment prevents endothelial dysfunction, facilitates neuroprotection, and promotes locomotor recovery following spinal cord injury. J Neurochem 2007;101:182–200.
Cimino M, Gelosa P, Gianella A, Nobili E, Tremoli E, Sironi L. Statins: multiple mechanisms of action in the ischemic brain. Neuroscientist 2007;13:208–213.
Paintlia AS, Paintlia MK, Singh I, Skoff RB, Singh AK. Combination therapy of lovastatin and rolipram provides neuroprotection and promotes neurorepair in inflammatory demyelination model of multiple sclerosis. Glia 2008 Aug. 20 [Epub ahead of print].
Rupprecht R, Holsboer F. Neuroactive steroids: mechanisms of action and neuropsychopharmacological perspectives. Trends Neurosci 1999;22:410–416.
Komeyev A, Costa E. Allopregnanolone (THP) mediates anesthetic effects of progesterone in rat brain. Horm Behav 1996;30:37–43.
Rodgers RJ, Johnson NJ. Behaviorally selective effects of neuroactive steroids on plus-maze anxiety in mice. Pharmacol Biochem Behav 1998;59:221–232.
Frye CA, Walf AA, Rhodes ME, Hamey JP. Progesterone enhances motor, anxiolytic, analgesic, and antidepressive behavior of wild-type mice, but not those deficient in type 1 5α-reductase. Brain Res 2004;1004:116–124.
Gonzalez Deniselle MC, Costa JJL, Gonzalez SL, et al. Basis of progesterone protection in spinal cord neurodegeneration. J Steroid Biochem Mol Biol 2002;83:199–209.
Kumon Y, Soon CK, Tompkins P, Stevens Al, Sakaki S, Loftus M. Neuroprotective effect of postischemic administration of progesterone in spontaneously hypertensive rats with focal cerebral ischemia. J Neurosurg 2000;92:848–852.
Jiang N, Chopp M, Stein D, Feit H. Progesterone is neuroprotective after transient middle cerebral occlusion in male rats. Brain Res 1996;735:101–107.
Vongher J, Frye C. Progesterone in conjunction with estradiol has neuroprotective effects in an animal model of neurodegeneration. Pharmacol Biochem Behav 1999;64:777–785.
Roof RL, Hall ED. Gender differences in acute CNS trauma and stroke: neuroprotective effects of estrogen and progesterone. J Neurotrauma 2000;17:367–388.
Ogata T, Nakamura Y, Tsuji K, Shibata T, Kataoka K. Steroid hormones protect spinal cord neurons from glutamate toxicity. Neuroscience 1993;55:445–449.
Paul SM, Purdy RH. Neuroactive steroids. FASEB J 1992;6:2311–2322.
Thomas AJ, Nockles RP, Hiu QP, Shaffrey CI, Chopp M. Progesterone is neuroprotective after acute experimental spinal cord trauma in rats. Spine 1999;24:2134–2138.
Labombarda F, Gonzalez SL, Gonzalez Deniselle MC, Guennoun R, Schumacher M, de Nicola AF. Cellular basis for progesterone neuroprotection in the injured spinal cord. J Neurotrauma 2002;19:343–355.
Gonzalez-Vidal MD, Cervera-Gaviria M, Ruelas R, Escobar A, Moralà G, Cervantes M. Progesterone: protective effects on the cat hippocampal neuronal damage due to acute global cerebral ischemia. Arch Med Res 1998;28:117–124.
Koenig HL, Gong WH, Pelissier P. Role of progesterone in peripheral nerve repair. Rev Reprod 2000;5:189–199.
Gruber CJ, Huber JC. Differential effects of progestins on the brain. Maturitas 2003;46 Suppl 1: S71-S75.
Roof RL, Zhang Q, Glasier MM, Stein DG. Gender-specific impairment on Morris water maze task after entorhinal cortex lesion. Behav Brain Res 1993;57:47–51.
Roof RL, Duvdevani R, Braswell L, Stein DG. Progesterone facilitates cognitive recovery and reduces secondary neuronal loss caused by cortical contusion injury in male rats. Exp Neurol 1994;129:64–69.
Shear DA, Galani R, Hoffman SW, Stein DG. Progesterone protects against necrotic damage and behavioral abnormalities caused by traumatic brain injury. Exp Neurol 2002;178:59–67.
He J, Hoffman SW, Stein DG. Allopregnanolone, a progesterone metabolite, enhances behavioral recovery and decreases neuronal loss after traumatic brain injury. Restor Neurol Neurosci 2004;22:19–31.
Roof RL, Hoffman SW, Stein DG. Progesterone protects against lipid peroxidation following traumatic brain injury in rats. Mol Chem Neuropathol 1997;31:1–11.
Goodman Y, Bruce AJ, Cheng B, Mattson MP. Estrogens attenuate and corticosterone exacerbates excitotoxicity, oxidative injury, and amyloid β-peptide toxicity in hippocampal neurones. J Neurochem 1996;66:1836–1844.
Smith SS. Progesterone administration attenuates excitatory amino acid responses of cerebellar Purkinje cells. Neuroscience 1991;42:309–320.
Cai W, Zhu Y, Furuya K, Li Z, Sokabe M, Chen L. Two different molecular mechanisms underlying progesterone neuroprotection against ischemic brain damage. Neuropharmacology 2008;55:127–138.
Djebaili M, Hoffman SW, Stein DG. Allopregnanolone and progesterone decrease cell death and cognitive deficits after a contusion of the rat pre-frontal cortex. Neuroscience 2004;123:349–359.
O’Connor CA, Cernak I, Johnson F, Vink R. Effects of progesterone on neurologic and morphologic outcome following diffuse traumatic brain injury in rats. Exp Neurol 2007;205:145–153.
Pettus EH, Wright DW, Stein DG, Hoffman SW. Progesterone treatment inhibits the inflammatory agents that accompany traumatic brain injury. Brain Res 2005;1049:112–119.
Roof RL, Duvdevani R, Stein DG. Progesterone treatment attenuates brain edema following contusion injury in male and female rats. Restor Neurol Neurosci 1992;4:425–427.
O’Connor CA, Cernak I, Vink R. Both estrogen and progesterone attenuate edema formation following diffuse traumatic brain injury in rats. Brain Res 2005;1062:171–174.
Roof RL, Duvdevani R, Heybum JW, Stein DG. Progesterone rapidly decreases brain edema: treatment delayed up to 24 hours is still effective. Exp Neurol 1996;138:246–251.
Wright DW, Bauer ME, Hoffman SW, Stein DG. Serum progesterone levels correlate with decreased cerebral edema after traumatic brain injury in male rats. J Neurotrauma 2001;18:901–909.
Limmroth V, Lee WS, Moskowitz MA. GABAA-receptor-mediated effects of progesterone, its ring-A-reduced metabolites and synthetic neuroactive steroids on neurogenic oedema in the rat meninges. Br J Pharmacol 1996;117:99–104.
Kuebler JF, Yokoyama Y, Jarrar D, et al. Administration of progesterone after trauma and hemorrhagic shock prevents hepatocellular injury. Arch Surg 2003;138:727–734.
Kuebler JF, Jarrar D, Bland KI, Rue L, 3rd, Wang P, Chaudry IH. Progesterone administration after trauma and hemorrhagic shock improves cardiovascular responses. Crit Care Med 2003;31: 1786–1793.
Wright DW, Kellermann AL, Hertzberg VS, et al. ProTECT: a randomized clinical trial of progesterone for acute traumatic brain injury. Ann Emerg Med 2007;49:391–402, 402.e2.
Xiao G, Wei J, Yan W, Wang W, Lu Z. Improved outcomes from the administration of progesterone for patients with acute severe traumatic brain injury: a randomized controlled trial. Crit Care 2008;12:R61.
Lapchak PA. Carbamylated erythropoietin to treat neuronal injury: new development strategies. Expert Opin Investig Drugs 2008;17:1175–1186.
Brines ML, Ghezzi P, Keenan S, et al. Erythropoietin crosses the blood-brain barrier to protect against experimental brain injury. Proc Natl Acad Sci U S A 2000;97:10526–10531.
Grasso G, Sfacteria A, Meli F, Fodale V, Buemi M, Iacopino DG. Neuroprotection by erythropoietin administration after experimental traumatic brain injury. Brain Res 2007;1182:99–105.
Cherian L, Goodman JC, Robertson C. Neuroprotection with erythropoietin administration following controlled cortical impact injury in rats. J Pharmacol Exp Ther 2007;322:789–794.
Elfar JC, Jacobson JA, Puzas JE, Rosier RN, Zuscik MJ. Erythropoietin accelerates functional recovery after peripheral nerve injury. J Bone Joint Surg Am 2008;90:1644–1653.
Xiong Y, Lu D, Qu C, et al. Effects of erythropoietin on reducing brain damage and improving functional outcome after traumatic brain injury in mice. J Neurosurg 2008;109:510–521.
Yuan RR, Li WP, Menonna J, Maeda Y, Dowling PC. Erythropoietin-derived short peptide and its mimics as immuno/inflammatory modulators 2007: International Application Number PCT/ 1B2006/003581. Patent Publication Number WO2007052154 (A2). Available at: http://v3.espacenet.com/publicationDetails/biblio? KC=A2&date=20070510&NR=2007052154A2&DB=EPODOC&locale=en_EP&CC=WO&FT=D.
King CE, Rodger J, Bartlett C, Esmaili T, Dunlop SA, Beazley LD. Erythropoietin is both neuroprotective and neuroregenerative following optic nerve transection. Exp Neurol 2007;205:48–55.
Xiong Y, Mahmood A, Lu D, et al. Histological and functional outcomes after traumatic brain injury in mice null for the erythropoietin receptor in the central nervous system. Brain Res 2008;1230:247–257.
Kraus RL, Pasieczny R, Lariosa-Willingham K, Turner MS, Jiang A, Trauger JW. Antioxidant properties of minocycline: neuroprotection in an oxidative stress assay and direct radical-scavenging activity. J Neurochem 2005;94:819–827.
Sanchez Mejia RO, Ona VO, Li M, Friedlander RM. Minocycline reduces traumatic brain injury-mediated caspase-1 activation, tissue damage, and neurological dysfunction. Neurosurgery 2001;48:1393–1399.
Wells JE, Huribert RJ, Fehlings MG, Yong VW. Neuroprotection by minocycline facilitates significant recovery from spinal cord injury in mice. Brain 2003;126:1628–1637.
Teng YD, Choi H, Onario RC, et al. Minocycline inhibits contusion-triggered mitochondrial cytochrome c release and mitigates functional deficits after spinal cord injury. Proc Natl Acad Sci U S A 2004;101:3071–3076.
Yune TY, Lee JY, Jung GY, et al. Minocycline alleviates death of oligodendrocytes by inhibiting pro-nerve growth factor production in microglia after spinal cord injury. J Neurosci 2007;27:7751–7761.
Fan LW, Pang Y, Lin S, et al. Minocycline reduces lipopolysaccharide-induced neurological dysfunction and brain injury in the neonatal rat. J Neurosci Res 2005;82:71–82.
Bye N, Habgood MD, Callaway JK, et al. Transient neuroprotection by minocycline following traumatic brain injury is associated with attenuated microglial activation but no changes in cell apoptosis or neutrophil infiltration. Exp Neurol 2007;204:220–233.
Carty ML, Wixey JA, Colditz PB, Buller KM. Post-insult minocycline treatment attenuates hypoxia-ischemia-induced neuroinflammation and white matter injury in the neonatal rat: a comparison of two different dose regimens. Int J Dev Neurosci 2008;26:477–485.
Chung KF. Drugs to suppress cough. Expert Opin Investig Drugs 2005;14:19–27.
Rodi D, Couture R, Ongali B, Simonato M. Targeting kinin receptors for the treatment of neurological diseases. Curr Pharm Des 2005;11:1313–1326.
Noda M, Kariura Y, Pannasch U, et al. Neuroprotective role of bradykinin because of the attenuation of pro-inflammatory cytokine release from activated microglia. J Neurochem 2007;101:397–410.
Kaplanski J, Pruneau D, Asa I, et al. LF 16-0687 Ms, a bradykinin B2 receptor antagonist, reduces brain edema and improves long-term neurological function recovery after closed head trauma in rats. J Neurotrauma 2002;19:953–964.
Marmarou A, Nichols J, Burgess J, et al.; American Brain Injury Consortium Study Group. Effects of the bradykinin antagonist Bradycor (deltibant, CP-1027) in severe traumatic brain injury: results of a multi-center, randomized, placebo-controlled trial. J Neurotrauma 1999;16:431–444.
Maggi CA. Pharmacology of the efferent function of primary sensory neurons. In: Geppetti P, Holzer P, editors. Neurogenic inflammation. Boca Raton, FL: CRC Press, 1996.
Kramer MS, Cutler N, Feighner J, et al. Distinct mechanism for antidepressant activity by blockade of central substance P receptors. Science 1998;281:1640–1645.
Nessler S, Stadelmann C, Bittner A, et al. Suppression of autoimmune encephalomyelitis by a neurokinin-1 receptor antagonist: a putative role for substance P in CNS inflammation. J Neuroimmunol 2006;179:1–8.
Reardon K, Heath DL, Nimmo AJ, Vink R, Whitfield K. Inhibition of neurogenic inflammation attenuates the inflammatory response following traumatic brain injury in rats. In: 7th International Neurotrauma Symposium. Bologna: Medimond International Proceedings, 2004:115–118.
Donkin JJ, Turner RJ, Hassan I, Vink R. Substance P in traumatic brain injury. Prog Brain Res 2007;161:97–109.
Alvaro G, Di Fabio R. Neurokinin 1 receptor antagonists: current prospects. Curr Opin Drug Discov Devel 2007;10:613–621.
Akira S, Takeda K, Kaisho T. Toll-like receptors: critical proteins linking innate and acquired immunity. Nat Immunol 2001;2:675–680.
Marsh BJ, Stenzel-Poore MP. Toll-like receptors: novel pharmacological targets for the treatment of neurological diseases. Curr Opin Pharmacol 2008;8:8–13.
Van Noort JM, Bsibsi M. Use of TLR3 agonists for treatment of neurodegenerative disorders 2007, Patent Application Number WO2007089151 [Available at: http://www.wipo.int/pctdb/en/wo. jsp?wo=2007089151].
Boivin N, Sergeric Y, Rivest S, Boivin G. Effect of pretreatment with Toll-like receptor agonists in a mouse model of Herpes simplex virus type 1 encephalitis. J Infect Dis 2008;198:664–672.
Pop E. Dexanabinol Pharmos. Curr Opin Investig Drugs 2000;1:494–503.
Darlington CL. Dexanabinol: a novel cannabinoid with neuroprotective properties. IDrugs 2003;6:976–979.
Shohami E, Novikov M, Mechoulam R. A nonpsychotropic cannabinoid, HU-211, has cerebrovascular effects after closed head injury in the rat. J Neurotrauma 1993;10:109–119.
Belayev L, Busto R, Zhao W, Ginsberg MD. HU-211, a novel noncompetitive N-methyl-d-aspartate antagonist, improves neurological deficit and reduces infarct volume after reversible focal cerebral ischemia in the rat. Stroke 1995;26:2313–2319; discussion 2319–2320.
Feigenbaum JJ, Bergmann F, Richmond SA, et al. Nonpsychotropic cannabinoid acts as a functional N-methyl-d-aspartate receptor blocker. Proc Natl Acad Sci U S A 1989;86:9584–9987.
Eshhar N, Striem S, Kohen R, Tirosh O, Biegon A. Neuroprotectant and antioxidant activities of HU-211, a novel NMDA receptor antagonist. Eur J Pharmacol 1995;283:19–29.
Shohami E, Gallily R, Mechoulam R, Bass R, Ben Hur T. Cytokine production in the brain following closed head injury: dexanabinol (HU-211) is a novel TNF-α inhibitor and an effective neuroprotectant. J Neuroimmunol 1997;72:169–177.
Mechoulam R, Panikashvili D, Shohami E. Cannabinoids and brain injury: therapeutic implications. Trends Mol Med 2002;8:58–61.
Knoller N, Levi L, Shoshan I, et al. Dexanabinol (HU-211) in the treatment of severe closed head injury: a randomized, placebo-controlled, phase II clinical trial. Crit Care Med 2002;30:548–554.
Maas AI, Murray G, Henney H 3rd, et al. Efficacy and safety of dexanabinol in severe traumatic brain injury: results of a phase III randomised, placebo-controlled, clinical trial. Lancet Neurol 2006;5:38–45.
Vink R, Nimmo AJ. Novel therapies in development for the treatment of traumatic brain injury. Expert Opin Investig Drugs 2002;11:1375–1386.
Hoane MR. Assessment of cognitive function following magnesium therapy in the traumatically injured brain. Magnes Res 2007;20:229–236.
Meloni BP, Zhu H, Knuckey NW. Is magnesium neuroprotective following global and focal cerebral ischaemia? A review of published studies. Magnes Res 2006;19:123–137.
Haupt H, Scheibe F, Mazurek B. Therapeutic efficacy of magnesium in acoustic trauma in the guinea pig. ORL J Otorhinolaryngol Relat Spec 2003;65:134–139.
Hoane MR, Knotts AA, Akstulewicz SL, Aquilano M, Means LW. The behavioral effects of magnesium therapy on recovery of function following bilateral anterior medial cortex lesions in the rat. Brain Res Bull 2003;15: 105–114.
Türkyilmaz C, Türkyilmaz Z, Atalay Y, Söylemezoglu F, Celasun B. Magnesium pre-treatment reduces neuronal apoptosis in newborn rats in hypoxia-ischemia. Brain Res 2002;955:133–137.
Tang YN, Zhao FL, Ye HM. Expression of caspase-3 mRNA in the hippocampus of seven-day-old hypoxic-ischemic rats and the mechanism of neural protection with magnesium sulfate [In Chinese]. Zhonghua Er Ke Za Zhi 2003;41:212–214.
Gee JB 2nd, Corbett RJ, Perlman J, Laptook AR. The effects of systemic magnesium sulfate infusion on brain magnesium concentrations and energy state during hypoxia-ischemia in newborn miniswine. Pediatr Res 2004;55: 93–100.
Lee JS, Han YM, Yoo do S, et al. A molecular basis for the efficacy of magnesium treatment following traumatic brain injury in rats. J Neurotrauma 2004;21:549–561.
Xu M, Dai W, Deng X. Effects on magnesium sulfate on brain mitochondrial respiratory function in rats after experimental traumatic brain injury. Chin J Traumatol 2002;5:361–364.
Sang N, Meng Z. Blockade by magnesium of sodium currents in accutely isolated hippocampal CA1 neurons of rat. Brain Res 2002;18:218–221.
Okiyama K, Smith DH, Gennarelli TA, Simon RP, Leach M, McIntosh TK. The sodium channel blocker and glutamate release inhibitor BW1003C87 and magnesium attenuate regional cerebral edema following experimental brain injury in the rat. J Neurochem 1995;64:802–809.
Kahraman S, Ozgurtas T, Kayali H, Atabey C, Kutluay T, Timurkaynak E. Monitoring of serum ionized magnesium in neurosurgical intensive care unit: preliminary results. Clin Chem Acta 2003;334:211–215.
van den Burgh WM, Algra A, van der Sprenkel JW, Tullenken CA, Rinkel GJ. Hypomagnesia after aneurysmal subarachnoid hemorrhage. Neurosurgery 2003;52:276–281.
Stippler M, Fischer MR, Puccio AM, et al. Serum and cerebrospinal fluid magnesium in severe traumatic brain injury outcome. J Neurotrauma 2007;24:1347–1354.
Kafadar AM, Sanus GZ, Is M, et al. Prolonged elevation of magnesium in the cerebrospinal fluid of patients with severe head injury. Neurol Res 2007;29:824–829.
Heath DL, Vink R. Subdural hematoma following traumatic brain injury causes a secondary decline in brain free magnesium concentration. J Neurotrauma 2001;18:465–469.
Altura BM, Kostellow AB, Zhang A, et al. Expression of the nuclear factor-κB and proto-oncogenes c-fos and c-jun are induced by low extracellular Mg2+ in aortic and cerebral vascular smooth muscle cells: possible links to hypertension, atherogenesis and stroke. Am J Hypertension 2003;16:701–707.
McKee JA, Brewer RP, Macy GE, et al. Analysis of the brain bioavailability of peripherally administered magnesium sulfate: a study in humans with acute brain injury undergoing prolonged induced hypermagnesemia. Crit Care Med 2005;33:661–666.
Temkin NR, Anderson GD, Winn HR, et al. Magnesium sulfate for neuroprotection after traumatic brain injury: a randomised controlled trial. Lancet Neurol 2007;6:29–38.
Maas AI, Murray GD. Magnesium for neuroprotection after traumatic brain injury. Lancet Neurol 2007;6: 20–21.
Heath DL, Vink R. Optimization of magnesium therapy after severe diffuse axonal brain injury in rats. J Pharmacol Exp Ther 1999;288:1311–1316.
Aslanyan S, Weir CJ, Muir KW, Lees KR; IMAGES Study Investigators. Magnesium for treatment of acute lacunar stroke syndromes: further analysis of the IMAGES trial. Stroke 2007;38:1269–1273.
Manet S, Marpeau L, Zupan-Simunek V, et al.; PREMAG Trial Group. Magnesium sulphate given before very-preterm birth to protect infant brain: the randomised controlled PREMAG trial. BJOG 2007;114:310–318.
Thal SC, Engelhard K, Werner C. New cerebral protection strategies. Curr Opin Anaesthesiol 2005;18:490–495.
Bhudia SK, Cosgrove DM, Naugle RI, et al. Magnesium as a neuroprotectant in cardiac surgery: a randomized clinical trial. J Thorac Cardiovasc Surg 2006;131:853–861.
Kaminska B, Gaweda-Walerych K, Zawadzka M. Molecular mechanisms of neuroprotective action of immunosuppressants: facts and hypotheses. J Cell Mol Med 2004;8:45–48.
Riess P, Bareyre FM, Saatman KE, et al. Effects of chronic, post-injury cyclosporin A administration on motor and sensorimotor function following severe, experimental traumatic brain injury. Restor Neurol Neurosci 2001;18:1–8.
Alessandri B, Rice AC, Levasseur J, DeFord M, Hamm RJ, Bullock RM. Cyclosporin A improves brain tissue oxygen consumption and learning/memory performance after lateral fluid percussion injury in rats. J Neurotrauma 2002;19:829–841.
Szabo I, Zoratti M. The giant channel of the inner mitochondrial membrane is inhibited by cyclosporin A. J Biol Chem 1991;266:3376–3379.
Sullivan PG, Thompson MB, Scheff SW. Cyclosporin A attenuates acute mitochondrial dysfunction following traumatic brain injury. Exp Neurol 1999;160:226–234.
Nakai A, Shibazaki Y, Taniuchi Y, Miyake H, Oya A, Takeshita T. Role of mitochondrial permeability transition in fetal brain damage in rats. Pediatr Neurol 2004;30:247–253.
Panickar KS, Jayakumar AR, Norenberg MD. Differential response of neural cells to trauma-induced free radical production in vitro. Neurochem Res 2002;27:161–166.
Mirzayan MJ, Klinge PM, Ude S, et al. Modified calcium accumulation after controlled cortical impact under cyclosporin A treatment: a 45Ca autoradiographic study. Neurol Res 2008;30:476–479.
Uchino H, Ishii N, Shibasaki F. Calcineurin and cyclophilin D are differential targets of neuroprotection by immunosuppressants CsA and FK506 in ischemic brain damage. Acta Neurochir Suppl 2003;86:105–111.
Mbye LH, Singh IN, Carrico KM, Saatman KE, Hall ED. Comparative neuroprotective effects of cyclosporin A and NIM811, a nonimmunosuppressive cyclosporin A analog, following traumatic brain injury. J Cereb Blood Flow Metab 2008 Aug. 20 [Epub ahead of print].
Uchino H, Minamikawa-Tachino R, Kristian T, et al. Differential neuroprotection by cyclosporin A and FK506 following ischemia corresponds with differing abilities to inhibit calcineurin and the mitochondrial permeability transition. Neurobiol Dis 2002;10:219–233.
Domañska-Janik K, Buzañska L, Dłuzniewska J, Kozłowska H, Samowska A, Zabłocka B. Neuroprotection by cyclosporin A following transient brain ischemia correlates with the inhibition of the early efflux of cytochrome C to cytoplasm. Brain Res Mol Brain Res 2004;121:50–59.
Ferrand-Drake M, Zhu C, Gido G, et al. Cyclosporin A prevents calpain activation despite increased intracellular calcium concentrations, as well as translocation of apoptosis-inducing factor, cytochrome c and caspase-3 activation in neurons exposed to transient hypoglycemia. J Neurochem 2003;85:1431–1442.
Santos JB, Schauwecker PE. Protection provided by cyclosporin A against excitotoxic neuronal death is genotype specific. Epilepsia 2003;44:995–1002.
Van Den Heuvel C, Donkin JJ, Finnic JW, et al. Downregulation of amyloid precursor protein (APP) expression following post-traumatic cyclosporin-A administration. J Neurotrauma 2004;21:1562–1572.
Okonkwo DO, Melon DE, Pellicane AJ, et al. Dose-response of cyclosporin A in attenuating traumatic axonal injury in rat. Neuro Report 2003;14:463–466.
Buki A, Okonkwo DO, Povlishock JT. Postinjury cyclosporin A administration limits axonal damage and disconnection in traumatic brain injury. J Neurotrauma 1999;16:511–521.
Okonkwo DO, Povlishock JT. An intrathecal bolus of cyclosporin A before injury preserves mitochondrial integrity and attenuates axonal disruption in traumatic brain injury. J Cereb Blood Flow Metab 1999;19:443–451.
Okonkwo DO, Buki A, Siman R, Povlishock JT. Cyclosporin A limits calcium-induced axonal damage following traumatic brain injury. NeuroReport 1999;10:353–358.
Suehiro E, Singleton RH, Stone JR, Povlishock JT. The immunophilin ligand FK506 attenuated the axonal damage associated with rapid rewarming following posttraumatic hypothermia. Exp Neurol 2001;172:199–210.
Empey PE, McNamara PJ, Young B, Rosbolt MB, Hatton J. Cyclosporin A disposition following acute traumatic brain injury. J Neurotrauma 2006;23:109–116.
Mazzeo AT, Alves OL, Gilman CB, et al. Brain metabolic and hemodynamic effects of cyclosporin A after human severe traumatic brain injury: a microdialysis study. Acta Neurochir (Wien) 2008;150:1019–1031.
Faden AI. Role of thyrotropin-releasing hormone and opiate receptor antagonists in limiting central nervous system injury. Adv Neurol 1988;47:531–546.
McIntosh TK, Vink R, Faden AI. An analog of thyrotropin-releasing hormone improves outcome after traumatic brain injury: 31P NMR studies. Am J Physiol 1988;254:R785-R792.
Vink R, McIntosh TK, Faden AI. Treatment with the thyrotropin-releasing hormone analog CG3703 restores magnesium homeostasis following traumatic brain injury in rats. Brain Res 1988;460:184–188.
Dewitt DS, Rough DS, Uchida T, Deal DD, Vines SM. Effects of nalmefene, CG3703, tirilazad, or dopamine on cerebral blood flow, oxygen delivery, and electroencephalographic activity after traumatic brain injury and hemorrhage. J Neurotrauma 1997;14:931–941.
Maejima S, Katayama Y. Neurosurgical trauma in Japan. World J Surg 2001;25:1205–1209.
Faden AI, Fox GB, Fan L, et al. Novel TRH analog improves motor and cognitive recovery after traumatic brain injury in rodents. Am J Physiol 1999;277:R1196-R1204.
Faden AI, Movsesyan VA, Knoblach SM, Ahmed F, Cernak I. Neuroprotective effects of novel small peptides in vitro and after brain injury. Neuropharmacology 2005;49:410–424.
Niu GM, Gu XJ, Su YL, Wan F, Su FZ, Xue DL. Effect of thyrotropin-releasing hormone on cerebral free radical reactions following acute brain injury in rabbits. Chin J Traumatol 2003;6: 104–106.
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Vink, R., Nimmo, A.J. Multifunctional drugs for head injury. Neurotherapeutics 6, 28–42 (2009). https://doi.org/10.1016/j.nurt.2008.10.036
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DOI: https://doi.org/10.1016/j.nurt.2008.10.036