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Ndode-Ekane XE, Ali I, Gomez CS, Andrade P, Immonen R, Casillas-Espinosa P, Paananen T, Manninen E, Puhakka N, Smith G, Brady RD, Silva J, Braine E, Hudson M, Yamakawa GR, Jones NC, Shultz SR, Harris N, Wright DK, Gröhn O, Staba R, O’Brien TJ, Pitkänen A. Epilepsy phenotype and its reproducibility after lateral fluid percussion-induced traumatic brain injury in rats: Multicenter EpiBioS4Rx study project 1. Epilepsia 2024; 65:511-526. [PMID: 38052475 PMCID: PMC10922674 DOI: 10.1111/epi.17838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 11/21/2023] [Accepted: 11/27/2023] [Indexed: 12/07/2023]
Abstract
OBJECTIVE This study was undertaken to assess reproducibility of the epilepsy outcome and phenotype in a lateral fluid percussion model of posttraumatic epilepsy (PTE) across three study sites. METHODS A total of 525 adult male Sprague Dawley rats were randomized to lateral fluid percussion-induced brain injury (FPI) or sham operation. Of these, 264 were assigned to magnetic resonance imaging (MRI cohort, 43 sham, 221 traumatic brain injury [TBI]) and 261 to electrophysiological follow-up (EEG cohort, 41 sham, 220 TBI). A major effort was made to harmonize the rats, materials, equipment, procedures, and monitoring systems. On the 7th post-TBI month, rats were video-EEG monitored for epilepsy diagnosis. RESULTS A total of 245 rats were video-EEG phenotyped for epilepsy on the 7th postinjury month (121 in MRI cohort, 124 in EEG cohort). In the whole cohort (n = 245), the prevalence of PTE in rats with TBI was 22%, being 27% in the MRI and 18% in the EEG cohort (p > .05). Prevalence of PTE did not differ between the three study sites (p > .05). The average seizure frequency was .317 ± .725 seizures/day at University of Eastern Finland (UEF; Finland), .085 ± .067 at Monash University (Monash; Australia), and .299 ± .266 at University of California, Los Angeles (UCLA; USA; p < .01 as compared to Monash). The average seizure duration did not differ between UEF (104 ± 48 s), Monash (90 ± 33 s), and UCLA (105 ± 473 s; p > .05). Of the 219 seizures, 53% occurred as part of a seizure cluster (≥3 seizures/24 h; p >.05 between the study sites). Of the 209 seizures, 56% occurred during lights-on period and 44% during lights-off period (p > .05 between the study sites). SIGNIFICANCE The PTE phenotype induced by lateral FPI is reproducible in a multicenter design. Our study supports the feasibility of performing preclinical multicenter trials in PTE to increase statistical power and experimental rigor to produce clinically translatable data to combat epileptogenesis after TBI.
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Affiliation(s)
- Xavier Ekolle Ndode-Ekane
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, PO Box 1627, FI-70211 Kuopio, Finland
| | - Idrish Ali
- Department of Neurology, Alfred Health, Melbourne, Australia
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
| | - Cesar Santana Gomez
- Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, United States
| | - Pedro Andrade
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, PO Box 1627, FI-70211 Kuopio, Finland
| | - Riikka Immonen
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, PO Box 1627, FI-70211 Kuopio, Finland
| | - Pablo Casillas-Espinosa
- Department of Neurology, Alfred Health, Melbourne, Australia
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
| | - Tomi Paananen
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, PO Box 1627, FI-70211 Kuopio, Finland
| | - Eppu Manninen
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, PO Box 1627, FI-70211 Kuopio, Finland
| | - Noora Puhakka
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, PO Box 1627, FI-70211 Kuopio, Finland
| | - Gregory Smith
- Department of Neurosurgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, United States
| | - Rhys D. Brady
- Department of Neurology, Alfred Health, Melbourne, Australia
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
| | - Juliana Silva
- Department of Neurology, Alfred Health, Melbourne, Australia
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
| | - Emma Braine
- Department of Neurology, Alfred Health, Melbourne, Australia
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
| | - Matt Hudson
- Department of Neurology, Alfred Health, Melbourne, Australia
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
| | - Glen R. Yamakawa
- Department of Neurology, Alfred Health, Melbourne, Australia
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
| | - Nigel C. Jones
- Department of Neurology, Alfred Health, Melbourne, Australia
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
| | - Sandy R. Shultz
- Department of Neurology, Alfred Health, Melbourne, Australia
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
| | - Neil Harris
- Department of Neurosurgery, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, United States
| | - David K. Wright
- Department of Neurology, Alfred Health, Melbourne, Australia
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
| | - Olli Gröhn
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, PO Box 1627, FI-70211 Kuopio, Finland
| | - Richard Staba
- Department of Neurology, David Geffen School of Medicine at UCLA, Los Angeles, CA, 90095, United States
| | - Terence J. O’Brien
- Department of Neuroscience, Monash University, Melbourne, Australia
- Department of Neurology, Alfred Health, Melbourne, Australia
- Department of Medicine, The Royal Melbourne Hospital, The University of Melbourne, Parkville, Australia
| | - Asla Pitkänen
- A. I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, PO Box 1627, FI-70211 Kuopio, Finland
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Valente A, Mariani J, Seminara S, Tettamanti M, Pignataro G, Perego C, Sironi L, Pedata F, Amantea D, Bacigaluppi M, Vinciguerra A, Diamanti S, Viganò M, Santangelo F, Zoia CP, Rodriguez-Menendez V, Castiglioni L, Rzemieniec J, Dettori I, Bulli I, Coppi E, Di Santo C, Cuomo O, Gullotta GS, Butti E, Bagetta G, Martino G, De Simoni MG, Ferrarese C, Fumagalli S, Beretta S. Harmonization of sensorimotor deficit assessment in a registered multicentre pre-clinical randomized controlled trial using two models of ischemic stroke. J Cereb Blood Flow Metab 2023; 43:1077-1088. [PMID: 36823998 PMCID: PMC10291454 DOI: 10.1177/0271678x231159958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 01/05/2023] [Accepted: 01/29/2023] [Indexed: 02/25/2023]
Abstract
Multicentre preclinical randomized controlled trials (pRCTs) are a valuable tool to improve experimental stroke research, but are challenging and therefore underused. A common challenge regards the standardization of procedures across centres. We here present the harmonization phase for the quantification of sensorimotor deficits by composite neuroscore, which was the primary outcome of two multicentre pRCTs assessing remote ischemic conditioning in rodent models of ischemic stroke. Ischemic stroke was induced by middle cerebral artery occlusion for 30, 45 or 60 min in mice and 50, 75 or 100 min in rats, allowing sufficient variability. Eleven animals per species were video recorded during neurobehavioural tasks and evaluated with neuroscore by eight independent raters, remotely and blindly. We aimed at reaching an intraclass correlation coefficient (ICC) ≥0.60 as satisfactory interrater agreement. After a first remote training we obtained ICC = 0.50 for mice and ICC = 0.49 for rats. Errors were identified in animal handling and test execution. After a second remote training, we reached the target interrater agreement for mice (ICC = 0.64) and rats (ICC = 0.69). In conclusion, a multi-step, online harmonization phase proved to be feasible, easy to implement and highly effective to align each centre's behavioral evaluations before project's interventional phase.
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Affiliation(s)
- Alessia Valente
- Istituto Di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Jacopo Mariani
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | - Serena Seminara
- Istituto Di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Mauro Tettamanti
- Istituto Di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Giuseppe Pignataro
- Department of Neuroscience, Reproductive Sciences and Dentistry, Federico II University of Naples, Napoli, Italy
| | - Carlo Perego
- Istituto Di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Luigi Sironi
- Department of Pharmaceutical Sciences, University of Milan, Milano, Italy
| | - Felicita Pedata
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Division of Pharmacology and Toxicology, University of Florence, Firenze, Toscana, Italy
| | - Diana Amantea
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende (Cosenza), Italy
| | - Marco Bacigaluppi
- Neuroimmunology Unit, San Raffaele Hospital and Università Vita-Salute San Raffaele, Milano, Lombardia, Italy
| | - Antonio Vinciguerra
- Department of Biomedical Science and Public Health, Marche Polytechnic University, Ancona, Italy
| | - Susanna Diamanti
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - Martina Viganò
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | | | - Chiara Paola Zoia
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
| | | | - Laura Castiglioni
- Department of Pharmaceutical Sciences, University of Milan, Milano, Italy
| | - Joanna Rzemieniec
- Department of Pharmaceutical Sciences, University of Milan, Milano, Italy
| | - Ilaria Dettori
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Division of Pharmacology and Toxicology, University of Florence, Firenze, Toscana, Italy
| | - Irene Bulli
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Division of Pharmacology and Toxicology, University of Florence, Firenze, Toscana, Italy
| | - Elisabetta Coppi
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Division of Pharmacology and Toxicology, University of Florence, Firenze, Toscana, Italy
| | - Chiara Di Santo
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende (Cosenza), Italy
| | - Ornella Cuomo
- Department of Neuroscience, Reproductive Sciences and Dentistry, Federico II University of Naples, Napoli, Italy
| | - Giorgia Serena Gullotta
- Neuroimmunology Unit, San Raffaele Hospital and Università Vita-Salute San Raffaele, Milano, Lombardia, Italy
| | - Erica Butti
- Neuroimmunology Unit, San Raffaele Hospital and Università Vita-Salute San Raffaele, Milano, Lombardia, Italy
| | - Giacinto Bagetta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende (Cosenza), Italy
| | - Gianvito Martino
- Neuroimmunology Unit, San Raffaele Hospital and Università Vita-Salute San Raffaele, Milano, Lombardia, Italy
| | | | - Carlo Ferrarese
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | | | - Simone Beretta
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
| | - for the TRICS study group
- Istituto Di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Department of Neuroscience, Reproductive Sciences and Dentistry, Federico II University of Naples, Napoli, Italy
- Department of Pharmaceutical Sciences, University of Milan, Milano, Italy
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Division of Pharmacology and Toxicology, University of Florence, Firenze, Toscana, Italy
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende (Cosenza), Italy
- Neuroimmunology Unit, San Raffaele Hospital and Università Vita-Salute San Raffaele, Milano, Lombardia, Italy
- Department of Biomedical Science and Public Health, Marche Polytechnic University, Ancona, Italy
- Fondazione IRCCS San Gerardo dei Tintori, Monza, Italy
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Wang Z, Dong H, Luan S, Liu J, Wang Q, Tao D, Cao H, Ji X. Distanct ischemic postconditioning in acute mild to moderate ischemic stroke: A randomized clinical study. J Clin Neurosci 2022; 100:89-93. [DOI: 10.1016/j.jocn.2022.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 03/18/2022] [Accepted: 04/05/2022] [Indexed: 11/25/2022]
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Amantea D, La Russa D, Frisina M, Giordano F, Di Santo C, Panno ML, Pignataro G, Bagetta G. Ischemic Preconditioning Modulates the Peripheral Innate Immune System to Promote Anti-Inflammatory and Protective Responses in Mice Subjected to Focal Cerebral Ischemia. Front Immunol 2022; 13:825834. [PMID: 35359933 PMCID: PMC8962743 DOI: 10.3389/fimmu.2022.825834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 02/21/2022] [Indexed: 11/26/2022] Open
Abstract
The development of tolerance triggered by a sublethal ischemic episode (preconditioning, PC) involves a complex crosstalk between neurons, astrocytes and microglia, although the role of the peripheral immune system in this context is largely unexplored. Here, we report that severe cerebral ischemia caused by transient middle cerebral artery occlusion (MCAo) in adult male mice elevates blood counts of inflammatory neutrophils and monocytes, and plasma levels of miRNA-329-5p. These inflammatory responses are prevented by ischemic PC induced by 15 min MCAo, 72h before the severe insult (1h MCAo). As compared with sham-operated animals, mice subjected to either ischemic PC, MCAo or a combination of both (PC+MCAo) display spleen contraction. However, protein levels of Ym1 (a marker of polarization of myeloid cells towards M2/N2 protective phenotypes) are elevated only in spleen from the experimental groups PC and PC+MCAo, but not MCAo. Conversely, Ym1 protein levels only increase in circulating leukocytes from mice subjected to 1h MCAo, but not in preconditioned animals, which is coincident with a dramatic elevation of Ym1 expression in the ipsilateral cortex. By immunofluorescence analysis, we observe that expression of Ym1 occurs in amoeboid-shaped myeloid cells, mainly representing inflammatory monocytes/macrophages and neutrophils. As a result of its immune-regulatory functions, ischemic PC prevents elevation of mRNA levels of the pro-inflammatory cytokine interleukin (IL)-1β in the ipsilateral cortex, while not affecting IL-10 mRNA increase induced by MCAo. Overall, the elevated anti-inflammatory/pro-inflammatory ratio observed in the brain of mice pre-exposed to PC is associated with reduced brain infarct volume and ischemic edema, and with amelioration of functional outcome. These findings reaffirm the crucial and dualistic role of the innate immune system in ischemic stroke pathobiology, extending these concepts to the context of ischemic tolerance and underscoring their relevance for the identification of novel therapeutic targets for effective stroke treatment.
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Affiliation(s)
- Diana Amantea
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende (CS), Italy
| | - Daniele La Russa
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende (CS), Italy
| | - Marialaura Frisina
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende (CS), Italy
| | - Francesca Giordano
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende (CS), Italy
| | - Chiara Di Santo
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende (CS), Italy
| | - Maria Luisa Panno
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende (CS), Italy
| | - Giuseppe Pignataro
- Department of Neuroscience, Reproductive and Odontostomatological Sciences, “Federico II” University, Naples, Italy
| | - Giacinto Bagetta
- Department of Pharmacy, Health and Nutritional Sciences, University of Calabria, Rende (CS), Italy
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5
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Diamanti S, Beretta S, Tettamanti M, Sacco S, Sette G, Ornello R, Tiseo C, Caponnetto V, Beccia M, Alivernini D, Costanzo R, Ferrarese C. Multi-Center Randomized Phase II Clinical Trial on Remote Ischemic Conditioning in Acute Ischemic Stroke Within 9 Hours of Onset in Patients Ineligible to Recanalization Therapies (TRICS-9): Study Design and Protocol. Front Neurol 2021; 12:724050. [PMID: 34803872 PMCID: PMC8595400 DOI: 10.3389/fneur.2021.724050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Accepted: 09/23/2021] [Indexed: 12/03/2022] Open
Abstract
Aim: To assess the efficacy of remote ischemic conditioning (RIC) in patients with ischemic stroke within 9 h of onset, that are not candidates for recanalization therapies. Sample Size Estimates: A sample size of 80 patients (40 in each arm) should yield 80% power to detect a 20% difference in early neurological improvement at 72 h at p = 0.05, two sided. Methods and Design: TRICS-9 is a phase II, multicenter, controlled, block randomized, open-label, interventional clinical trial. Patients recruited in Italian academic hospitals will be randomized 1:1 to either RIC plus standard medical therapy or standard medical therapy alone. After randomization, RIC will be applied manually by four alternating cycles of inflation/deflation 5 min each, using a blood pressure cuff around the non-paretic arm. Study Outcomes: The primary efficacy outcome is early neurological improvement, defined as the percent change in the National Institute of Health Stroke Scale (NIHSS) at 72 h in each arm. Secondary outcomes include early neurologic improvement at 24 and 48 h, disability at 3 months, rate of symptomatic intracerebral hemorrhage, feasibility (proportion of patients completing RIC), tolerability after RIC and at 72 h, blood levels of HIF-1α, and HSP27 at 24 h and 72 h. Discussion/Conclusion: RIC in combination with recanalization therapies appears to add no clinical benefit to patients, but whether it is beneficial to those that are not candidates for recanalization therapies is still to be demonstrated. TRICS-9 has been developed to elucidate this issue. Clinical Trial Registration: ClinicalTrials.gov, identifier: NCT04400981.
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Affiliation(s)
- Susanna Diamanti
- Stroke Unit and Neurology Unit, Azienda Socio Sanitaria Territoriale (ASST)-Monza San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy
| | - Simone Beretta
- Stroke Unit and Neurology Unit, Azienda Socio Sanitaria Territoriale (ASST)-Monza San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy
| | - Mauro Tettamanti
- Dipartimento di Ricerca Neuroscienze, Istituto di Ricerche Farmacologiche Mario Negri Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS), Milano, Italy
| | - Simona Sacco
- Department of Applied Clinical Sciences and Biotechnology, University of L'Aquila, L'Aquila, Italy
| | - Giuliano Sette
- NEuroscienze Salute Mentale e Organi di Senso (NESMOS) Department, Faculty of Medicine and Psychology, Sant'Andrea Hospital, Sapienza University of Rome, Roma, Italy
| | - Raffaele Ornello
- Department of Applied Clinical Sciences and Biotechnology, University of L'Aquila, L'Aquila, Italy
| | - Cindy Tiseo
- Department of Applied Clinical Sciences and Biotechnology, University of L'Aquila, L'Aquila, Italy
| | - Valeria Caponnetto
- Department of Applied Clinical Sciences and Biotechnology, University of L'Aquila, L'Aquila, Italy
| | - Mario Beccia
- NEuroscienze Salute Mentale e Organi di Senso (NESMOS) Department, Faculty of Medicine and Psychology, Sant'Andrea Hospital, Sapienza University of Rome, Roma, Italy
| | - Diletta Alivernini
- NEuroscienze Salute Mentale e Organi di Senso (NESMOS) Department, Faculty of Medicine and Psychology, Sant'Andrea Hospital, Sapienza University of Rome, Roma, Italy
| | - Rocco Costanzo
- NEuroscienze Salute Mentale e Organi di Senso (NESMOS) Department, Faculty of Medicine and Psychology, Sant'Andrea Hospital, Sapienza University of Rome, Roma, Italy
| | - Carlo Ferrarese
- Stroke Unit and Neurology Unit, Azienda Socio Sanitaria Territoriale (ASST)-Monza San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy
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