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Clinical Trials in Head Injury
Open accessAbstract
Traumatic brain injury (TBI) remains a major public health problem globally. In the United States the incidence of closed head injuries admitted to hospitals is conservatively estimated to be 200 per 100,000 population, and the incidence of penetrating head injury is estimated to be 12 per 100,000, the highest of any developed country in the world. This yields an approximate number of 500,000 new cases each year, a sizeable proportion of which demonstrate significant long-term disabilities. Unfortunately, there is a paucity of proven therapies for this disease. For a variety of reasons, clinical trials for this condition have been difficult to design and perform. Despite promising pre-clinical data, most of the trials that have been performed in recent years have failed to demonstrate any significant improvement in outcomes. The reasons for these failures have not always been apparent and any insights gained were not always shared. It was therefore feared that we were running the risk of repeating our mistakes. Recognizing the importance of TBI, the National Institute of Neurological Disorders and Stroke (NINDS) sponsored a workshop that brought together experts from clinical, research, and pharmaceutical backgrounds. This workshop proved to be very informative and yielded many insights into previous and future TBI trials. This paper is an attempt to summarize the key points made at the workshop. It is hoped that these lessons will enhance the planning and design of future efforts in this important field of research.
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“Despite preclinical studies providing evidence for successful pharmacologic intervention, more than 30 phase-III clinical trials have failed to improve secondary injury outcome measures after TBI (35–37).”
From The Inflammatory Continuum of Traumatic Brain Injury and Alzheimer’s Disease (2018) · cites this paper as [35]
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“Although much is known about the cellular and molecular mechanisms of TBI, that knowledge has not, as yet, resulted in a pharmacological therapeutic that improves outcome.(9,10) However, a therapeutic may be developed by identifying a molecular target that affects outcome and demonstrating that a”
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“3 million Americans are living with disabilities related to TBI [4].”
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“This issue may have importantly contributed to failed clinical trials in the past, such as for polyethylene glycol–conjugated superoxide dismutase or Tirilazad.65,66 Two therapies have been the subject of extensive pre-clinical testing and large, multi-center RCTs, namely erythropoietin and progesterone.13–15,67 Clini…”
Self-citationNeuroprotection Trials in Traumatic Brain Injury
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Self-citationNitrogen-doped graphene modified electrode for nimodipine sensing
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Self-citationLONG-TERM BENEFITS AFTER TREATMENT OF TRAUMATIC BRAIN INJURY WITH SIMVASTATIN IN RATS
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“Copyright © 2009 by the Congress of Neurological Surgeons Traumatic brain injury (TBI) remains a major health problem worldwide (28) and, despite a number of neuroprotective therapeutic trials, no broadly applicable, safe, and efficacious treatment for TBI has been identified (28, 31).”
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“…pre-clinical data, most of the clinical trials conducted so far have failed to demonstrate any significant improvement in outcomes, mainly because of ineffective therapies (doses used in TBI patients being one issue) or to the selection of inappropriate target mechanisms (Narayan and Michel, 2002).”
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“Interested readers are referred to some excellent analyses of these trials that have been reviewed elsewhere [2-4].”
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“Traumatic brain injury (TBI) is a major cause of mortality and morbidity globally (1,2), and continues to be an important public health issue worldwide (3,4).”
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“However, to date, all of them have failed to show a therapeutic benefit, and some have produced worse outcomes for acute or chronic treatment of TBI (Margulies and Hicks, 2009; Narayan et al., 2002).”
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“Only one or two acute interventions for each disease have shown some benefit, and even those results are controversial (Bracken et al., 1998; Narayan et al., 2002; Albers et al., 2004; Lees et al., 2006).”
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“Thus, the limited medical and technological tools to address this urgent concern have created a strong need to develop new approaches of treating mTBI sufferers (Narayan et al., 2002; Chua et al., 2007).”
Backgroundc-Jun N-Terminal Kinase Pathway Activation in Human and Experimental Cerebral Contusion
Ortolano, F., Colombo, A., Zanier, E., Sclip, A., Longhi, L., Perego, C., Stocchetti, N., Borsello, T., & Simoni, M. D. (2009) · Journal of Neuropathology and Experimental Neurology · doi:10.1097/nen.0b013e3181b20670 · Cited by 41
“Despite significant research efforts, effective clinical treatment of TBI remains elusive (1).”
Phillips, J., Devier, D. J., & Feeney, D. M. (2003) · Journal of Head Trauma Rehabilitation · doi:10.1097/00001199-200307000-00005 · Cited by 42
“38 There are two important differences between these studies: (1) the average age of study subjects in the Sonde trial was 80 years, which was an exclusionary criteria in the Walker-Batson study; and (2) the Sonde study used the d,l isomer of”
BackgroundResultMultimodality monitoring in severe traumatic brain injury
Mulvey, J., Dorsch, N., Mudaliar, Y., & Lang, E. W. (2004) · Neurocritical Care · doi:10.1385/ncc:1:3:391 · Cited by 41
Moser, N., Leong, C., Hu, Y., Cicatiello, C., Gowers, S., Boutelle, M., & Georgiou, P. (2020) · Analytical Chemistry · doi:10.1021/acs.analchem.9b05836 · Cited by 40
Blasio, D. D., Fumagalli, S., Longhi, L. G., Orsini, F., Palmioli, A., Stravalaci, M., Vegliante, G., Zanier, E. R., Bernardi, A., Gobbi, M., et al. (2016) · Journal of Cerebral Blood Flow & Metabolism · doi:10.1177/0271678x16647397 · Cited by 43
Treatment of traumatic brain injury in rats with N-acetyl-seryl-aspartyl-lysyl-proline
Zhang, Y., Zhang, Z. G., Chopp, M., Meng, Y., Zhang, L., Mahmood, A., & Xiong, Y. (2016) · Journal of neurosurgery · doi:10.3171/2016.3.jns152699 · Cited by 44
Efficacy of Progesterone following a Moderate Unilateral Cortical Contusion Injury
Gilmer, L. K., Roberts, K. N., & Scheff, S. (2008) · Journal of Neurotrauma · doi:10.1089/neu.2007.0477 · Cited by 40
Immune enhancing nutrition in traumatic brain injury - A preliminary study.
Painter, T. J., Rickerds, J., & Alban, R. (2015) · International Journal of Surgery · doi:10.1016/j.ijsu.2015.07.008 · Cited by 39
Comparative Study of Outcome Measures and Analysis Methods for Traumatic Brain Injury Trials
Alali, A. S., Vavrek, D. A., Barber, J. K., DIKMEN, S. S., Nathens, A. B., & Temkin, N. R. (2014) · Journal of Neurotrauma · doi:10.1089/neu.2014.3495 · Cited by 42
“15,36 19 Among the main theoretical advantages of using a composite measure as the primary outcome instead of GOSE alone are the greater statistical power to detect a treatment effect than any single measure (provided the treatment effect is constant across all component measures), and the…”
Self-citationPosttraumatic cerebral infarction in patients with moderate or severe head trauma
Marino, R., Gasparotti, R., Pinelli, L., Manzoni, D., Gritti, P., Mardighian, D., & Latronico, N. (2006) · Neurology · doi:10.1212/01.wnl.0000238081.35281.b5 · Cited by 39
Lulic, D., Burns, J., Bae, E., van Loveren, H. V., & Borlongan, C. (2011) · Neurosurgery · doi:10.1227/neu.0b013e31820c6cdc · Cited by 38
Zhang, Z., Fauser, U., & Schluesener, H. J. (2007) · Neuropathology and Applied Neurobiology · doi:10.1111/j.1365-2990.2007.00893.x · Cited by 38
Xiong, Y., Mahmood, A., & Chopp, M. (2023) · Neural Regeneration Research · doi:10.4103/1673-5374.374143 · Cited by 43
“…to demonstrate therapeutic efficacy in TBI clinical trials and TBI often needs long-term care, with immense socioeconomic and emotional burdens (Narayan et al., 2002; Loane and Faden, 2010; Briones, 2015; Tortella, 2016; Maas et al., 2017; Alves et al., 2019; Ng and Lee, 2019; Shultz et al.,…”
BackgroundSensory Sensitivity in TBI: Implications for Chronic Disability
Callahan, M. L., & Lim, M. M. (2018) · Current Neurology and Neuroscience Reports · doi:10.1007/s11910-018-0867-x · Cited by 43
Decreased mortality in traumatic brain injury following regionalization across hospital systems
Kelly, M. L., Banerjee, A., Nowak, M., Steinmetz, M., & Claridge, J. A. (2015) · Journal of Trauma and Acute Care Surgery · doi:10.1097/ta.0000000000000590 · Cited by 37
Turner, R., Dasilva, K., O'Connor, C., van den Heuvel, C., & Vink, R. (2004) · Journal of the American College of Nutrition · doi:10.1080/07315724.2004.10719399 · Cited by 37
“This is consistent with the observation that antioxidants and free radical scavengers have not been successful in clinical trials of TBI [16].”
ResultHoane, M., Pierce, J. L., Kaufman, N. A., & Beare, J. E. (2008) · Oxidative Medicine and Cellular Longevity · doi:10.4161/oxim.1.1.6694 · Cited by 37
Pandya, J. D., Musyaju, S., Modi, H. R., Cao, Y. J., Flerlage, W. J., Huynh, L., Kociuba, B., Visavadiya, N. P., Kobeissy, F. H., Wang, K., et al. (2023) · Free Radical Biology and Medicine · doi:10.1016/j.freeradbiomed.2023.02.001 · Cited by 42
Papadimitriou, K. I., Wang, C., Rogers, M. L., Gowers, S. A. N., Leong, C. L., Boutelle, M. G., & Drakakis, E. M. (2016) · Frontiers in Human Neuroscience · doi:10.3389/fnhum.2016.00212 · Cited by 33
Exploring the physiological correlates of chronic mild traumatic brain injury symptoms
Astafiev, S. V., Zinn, K., Shulman, G. L., & Corbetta, M. (2016) · NeuroImage Clinical · doi:10.1016/j.nicl.2016.01.004 · Cited by 43
Nishijima, D. K., Shahlaie, K., Sarkar, K., Rudisill, N., & Holmes, J. F. (2013) · The American Journal of Emergency Medicine · doi:10.1016/j.ajem.2013.04.035 · Cited by 40
“The GOS-E is the most commonly used measure of global functional performance after TBI and has been recommended as the criterion standard outcome measure for TBI studies [10,11].”
MethodPeterson, T. C., Anderson, G., Kantor, E., & Hoane, M. (2012) · Journal of Neurotrauma · doi:10.1089/neu.2012.2471 · Cited by 36
“tablish the dosage regimen, dose-response curves, and optimal dosing windows; and to work toward direct comparison studies and potential combination therapies.(3) One point of special emphasis has been the direct comparison of compounds that have shown pre-”
BackgroundFeng, J., Zhang, K., Jiang, J., Gao, G., Fu, X., & Liang, Y.-M. (2010) · Neurosurgery · doi:10.1227/01.neu.0000378023.81727.6e · Cited by 33
Mitochondria-Targeted Antioxidant Therapeutics for Traumatic Brain Injury
Modi, H. R., Musyaju, S., Ratcliffe, M., Shear, D. A., Scultetus, A. H., & Pandya, J. D. (2024) · Antioxidants · doi:10.3390/antiox13030303 · Cited by 44
Lin, C., He, H., Li, Z., Liu, Y., Chao, H., Ji, J., & Liu, N. (2015) · Scientific Reports · doi:10.1038/srep13442 · Cited by 35
Fuller, G., Bouamra, O., Woodford, M., Jenks, T., Patel, H., Coats, T., Oakley, P., Mendelow, A., Pigott, T., Hutchinson, P., et al. (2011) · Journal of Neurosurgical Anesthesiology · doi:10.1097/ana.0b013e3182161816 · Cited by 35
“SBP <90mm Hg (%, 95% CI) 7 (6-8) 10 (9-12) P<0.”
Continuous measurement of intracranial pressure in awake rats after experimental closed head injury.
Rooker, S., Jorens, P., Reempts, J. V. V., Borgers, M., & Verlooy, J. (2003) · Journal of Neuroscience Methods · doi:10.1016/s0165-0270(03)00233-4 · Cited by 35
Kupina, N., Detloff, M., Dutta, S., & Hall, E. (2002) · Journal of Cerebral Blood Flow and Metabolism · doi:10.1097/01.wbc.0000037994.34930.bc · Cited by 35
“However, a careful historical analysis of the pursuit of marketable neuroprotective agents has revealed that, in the case of most compounds destined for clinical trials, the preclinical data obtained prior to trial design have been grossly inadequate (Narayan and Michel, 2002).”
BackgroundInfluentialSelf-citationNeurochemical Characterization of Traumatic Brain Injury in Humans
Regner, A., Alves, L. B., Chemale, I. M., Costa, M. S., Friedman, G., Achaval, M., Leal, L., & Emanuelli, T. (2001) · Journal of Neurotrauma · doi:10.1089/089771501316919148 · Cited by 31
“Despite constituting a major health care problem, no effective pharmacological interventions currently exist and, at present, most effort has been focused on supportive measures (Brocker et al., 1991; Reinert and Bullock, 1999).”
Drugs with anti-inflammatory effects to improve outcome of traumatic brain injury: a meta-analysis
Begemann, M., Leon, M., van der Horn, H. J., van der Naalt, J., & Sommer, I. (2020) · Scientific Reports · doi:10.1038/s41598-020-73227-5 · Cited by 34
Samanamalee, S., Sigera, P. C., Silva, A. D. D., Thilakasiri, K., Rashan, A., Wadanambi, S., Jayasinghe, K. S., Dondorp, A., & Haniffa, R. (2018) · BMC Anesthesiology · doi:10.1186/s12871-017-0463-7 · Cited by 34
“Severe TBI was defined as a Glasgow Coma Scale (GCS) of <9 and moderate TBI was by a GCS of 9–12 at hospital admission [15, 16].”
Method
Metadata
- Authors
- Narayan, R. K., Michel, M. E., Ansell, B., Baethmann, A., Biegon, A., Bracken, M. B., Bullock, M. R., Choi, S. C., Clifton, G. L., Contant, C. F., Coplin, W. M., Dietrich, W. D., Ghajar, J., Grady, S. M., Grossman, R. G., Hall, E. D., Heetderks, W., Hovda, D. A., Jallo, J., Katz, R. L., Knoller, N., Kochanek, P. M., Maas, A. I., Majde, J., Marion, D. W., Marmarou, A., Marshall, L. F., McIntosh, T. K., Miller, E., Mohberg, N., Muizelaar, J. P., Pitts, L. H., Quinn, P., Riesenfeld, G., Robertson, C. S., Strauss, K. I., Teasdale, G., Temkin, N., Tuma, R., Wade, C., Walker, M. D., Weinrich, M., Whyte, J., Wilberger, J., Young, A. B., & Yurkewicz, L.
- Affiliations
- Temple University Hospital (US)
- National Institute of Neurological Disorders and Stroke (US)
- National Institutes of Health (US)
- Ludwig-Maximilians-Universität München (DE)
- Lawrence Berkeley National Laboratory (US)
- Yale University (US)
- Virginia Commonwealth University (US)
- The University of Texas Health Science Center at Houston (US)
- Baylor College of Medicine (US)
- Wayne State University (US)
- University of Miami (US)
- Brain Trauma Foundation (US)
- Hospital of the University of Pennsylvania (US)
- Pfizer (United States) (US)
- University of California, Los Angeles (US)
- Temple University (US)
- United States Food and Drug Administration (US)
- Sheba Medical Center (IL)
- University of Pittsburgh (US)
- Academisch Ziekenhuis Rotterdam (NL)
- Office of Naval Research (US)
- University of California San Diego (US)
- University of California Davis Medical Center (US)
- University of California, San Francisco (US)
- Southern General Hospital (GB)
- University of Washington (US)
- Allegheny General Hospital (US)
- Albert B. Chandler Hospital (US)
- ORCID
- Venue
- Journal of Neurotrauma
- Publisher
- SAGE Publications
- Published
- 2002-05
- Volume
- 19
- Issue
- 5
- Pages
- 503-557
- ISSN
- 0897-7151 (ISSN-L)
- 1557-9042
- PMC
- PMC1462953
- OpenAlex
- W2045663952
- Cited by
- 913
- References
- 0
- Citations by year
- 2026: 11 · 2025: 16 · 2024: 20 · 2023: 14 · 2022: 15 · 2021: 20 · 2020: 35 · 2019: 43 · 2018: 43 · 2017: 40 · 2016: 42 · 2015: 55 · 2014: 49 · 2013: 56 · 2012: 61
- FWCI
- 20.60
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Journal of Neurotrauma (publishedVersion)
- PubMed (publishedVersion)
- EUR Research Repository (Erasmus University Rotterdam) (publishedVersion)
- PubMed Central (acceptedVersion)
- Deep Blue (University of Michigan) (submittedVersion, public-domain)
- EUR Research Repository (Erasmus University Rotterdam) (submittedVersion)
- Funders
- National Institutes of Health (7r01ns038654-04)
- National Institute of Neurological Disorders and Stroke (R01-NS038654)
- Topics
- Health Sciences › Medicine › Clinical Neurology › Traumatic Brain Injury and Neurovascular Disturbances
- Health Sciences › Medicine › Clinical Neurology › Traumatic Brain Injury Research
- Physical Sciences › Engineering › Biomedical Engineering › Automotive and Human Injury Biomechanics
- Keywords
- traumatic brain injury, clinical trial design, closed head injury, penetrating head injury, translational research, treatment failure, long-term disability
- MeSH terms
- Brain Injuries, Clinical Trials as Topic, Humans
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