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Pierson JB, Berridge B, Blinova K, Brooks MB, Eldridge S, O'Brien CE, Pugsley MK, Schultze AE, Smith G, Stockbridge N, Valentin JP, Vicente J. Collaborative science in action: A 20 year perspective from the Health and Environmental Sciences Institute (HESI) Cardiac Safety Committee. J Pharmacol Toxicol Methods 2024; 127:107511. [PMID: 38710237 DOI: 10.1016/j.vascn.2024.107511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/02/2024] [Accepted: 05/02/2024] [Indexed: 05/08/2024]
Abstract
The Health and Environmental Sciences Institute (HESI) is a nonprofit organization dedicated to resolving global health challenges through collaborative scientific efforts across academia, regulatory authorities and the private sector. Collaborative science across non-clinical disciplines offers an important keystone to accelerate the development of safer and more effective medicines. HESI works to address complex challenges by leveraging diverse subject-matter expertise across sectors offering access to resources, data and shared knowledge. In 2008, the HESI Cardiac Safety Committee (CSC) was established to improve public health by reducing unanticipated cardiovascular (CV)-related adverse effects from pharmaceuticals or chemicals. The committee continues to significantly impact the field of CV safety by bringing together experts from across sectors to address challenges of detecting and predicting adverse cardiac outcomes. Committee members have collaborated on the organization, management and publication of prospective studies, retrospective analyses, workshops, and symposia resulting in 38 peer reviewed manuscripts. Without this collaboration these manuscripts would not have been published. Through their work, the CSC is actively addressing challenges and opportunities in detecting potential cardiac failure modes using in vivo, in vitro and in silico models, with the aim of facilitating drug development and improving study design. By examining past successes and future prospects of the CSC, this manuscript sheds light on how the consortium's multifaceted approach not only addresses current challenges in detecting potential cardiac failure modes but also paves the way for enhanced drug development and study design methodologies. Further, exploring future opportunities and challenges will focus on improving the translational predictability of nonclinical evaluations and reducing reliance on animal research in CV safety assessments.
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Affiliation(s)
| | | | | | - Marjory B Brooks
- Comparative Coagulation Section, Department of Population Medicine and Diagnostic Sciences, Cornell University, Ithaca, NY, USA
| | - Sandy Eldridge
- Division of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, MD, USA
| | - Claire E O'Brien
- Health and Environmental Sciences Institute, Washington, DC, USA.
| | - Michael K Pugsley
- Toxicology & Safety Pharmacology, Cytokinetics, South San Francisco, CA, USA
| | - A Eric Schultze
- Pathology, Lilly Research Laboratories, Indianapolis, IN, USA
| | - Godfrey Smith
- Clyde Biosciences Ltd, Newhouse, UK; University of Glasgow, Scotland, UK
| | | | - Jean-Pierre Valentin
- UCB Biopharma SRL, Development Science, Non-Clinical Safety Evaluation, Braine l'Alleud, Belgium
| | - Jose Vicente
- Food and Drug Administration, Silver Spring, MD, USA
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Berridge B, Pierson J, Pettit S, Stockbridge N. Challenging the status quo: a framework for mechanistic and human-relevant cardiovascular safety screening. FRONTIERS IN TOXICOLOGY 2024; 6:1352783. [PMID: 38590785 PMCID: PMC10999590 DOI: 10.3389/ftox.2024.1352783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 03/11/2024] [Indexed: 04/10/2024] Open
Abstract
Traditional approaches to preclinical drug safety assessment have generally protected human patients from unintended adverse effects. However, these assessments typically occur too late to make changes in the formulation or in phase 1 and beyond, are highly dependent on animal studies and have the potential to lead to the termination of useful drugs due to liabilities in animals that are not applicable in patients. Collectively, these elements come at great detriment to both patients and the drug development sector. This phenomenon is particularly problematic in the area of cardiovascular safety assessment where preclinical attrition is high. We believe that a more efficient and translational approach can be defined. A multi-tiered assessment that leverages our understanding of human cardiovascular biology, applies human cell-based in vitro characterizations of cardiovascular responses to insult, and incorporates computational models of pharmacokinetic relationships would enable earlier and more translational identification of human-relevant liabilities. While this will take time to develop, the ultimate goal would be to implement such assays both in the lead selection phase as well as through regulatory phases.
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Affiliation(s)
| | - Jennifer Pierson
- Health and Environmental Sciences Institute, Washington, DC, United States
| | - Syril Pettit
- Health and Environmental Sciences Institute, Washington, DC, United States
| | - Norman Stockbridge
- US Food and Drug Administration, Center for Drug Evaluation and Research, Silver Spring, MD, United States
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Glass C, Lafata KJ, Jeck W, Horstmeyer R, Cooke C, Everitt J, Glass M, Dov D, Seidman MA. The Role of Machine Learning in Cardiovascular Pathology. Can J Cardiol 2021; 38:234-245. [PMID: 34813876 DOI: 10.1016/j.cjca.2021.11.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 11/15/2021] [Accepted: 11/17/2021] [Indexed: 02/07/2023] Open
Abstract
Machine learning has seen slow but steady uptake in diagnostic pathology over the past decade to assess digital whole-slide images. Machine learning tools have incredible potential to standardise, and likely even improve, histopathologic diagnoses, but they are not yet widely used in clinical practice. We describe the principles of these tools and technologies and some successful preclinical and pretranslational efforts in cardiovascular pathology, as well as a roadmap for moving forward. In nonhuman animal models, one proof-of-principle application is in rodent progressive cardiomyopathy, which is of particular significance to drug toxicity studies. Basic science successes include screening the quality of differentiated stem cells and characterising cardiomyocyte developmental stages, with potential applications for research and toxicology/drug safety screening using derived or native human pluripotent stem cells differentiated into cardiomyocytes. Translational studies of particular note include those with success in diagnosing the various forms of heart allograft rejection. For fully realising the value of these tools in clinical cardiovascular pathology, we identify 3 essential challenges. First is image quality standardisation to ensure that algorithms can be developed and implemented on robust, consistent data. The second is consensus diagnosis; experts don't always agree, and thus "truth" may be difficult to establish, but the algorithms themselves may provide a solution. The third is the need for large-enough data sets to facilitate robust algorithm development, necessitating large cross-institutional shared image databases. The power of histopathology-based machine learning technologies is tremendous, and we outline the next steps needed to capitalise on this power.
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Affiliation(s)
- Carolyn Glass
- Division of Artificial Intelligence and Computational Pathology, Duke AI Health, Duke University Medical Center, Durham, North Carolina, USA; Department of Pathology, Duke University Medical Center, Durham, North Carolina, USA.
| | - Kyle J Lafata
- Department of Radiology, Duke University School of Medicine, Durham, North Carolina, USA; Department of Radiation Oncology, Duke University School of Medicine, Durham, North Carolina, USA; Department of Electrical and Computer Engineering, Duke Pratt School of Engineering, Duke University, Durham, North Carolina, USA
| | - William Jeck
- Division of Artificial Intelligence and Computational Pathology, Duke AI Health, Duke University Medical Center, Durham, North Carolina, USA; Department of Pathology, Duke University Medical Center, Durham, North Carolina, USA
| | - Roarke Horstmeyer
- Division of Artificial Intelligence and Computational Pathology, Duke AI Health, Duke University Medical Center, Durham, North Carolina, USA; Department of Biomedical Engineering, Duke Pratt School of Engineering, Durham, North Carolina, USA
| | - Colin Cooke
- Department of Electrical and Computer Engineering, Duke Pratt School of Engineering, Duke University, Durham, North Carolina, USA
| | - Jeffrey Everitt
- Division of Artificial Intelligence and Computational Pathology, Duke AI Health, Duke University Medical Center, Durham, North Carolina, USA; Department of Pathology, Duke University Medical Center, Durham, North Carolina, USA
| | - Matthew Glass
- Division of Artificial Intelligence and Computational Pathology, Duke AI Health, Duke University Medical Center, Durham, North Carolina, USA; Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina, USA
| | - David Dov
- Division of Artificial Intelligence and Computational Pathology, Duke AI Health, Duke University Medical Center, Durham, North Carolina, USA; Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Michael A Seidman
- Laboratory Medicine Program, University Health Network, Toronto, Ontario, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, Canada
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Burnett SD, Blanchette AD, Chiu WA, Rusyn I. Human induced pluripotent stem cell (iPSC)-derived cardiomyocytes as an in vitro model in toxicology: strengths and weaknesses for hazard identification and risk characterization. Expert Opin Drug Metab Toxicol 2021; 17:887-902. [PMID: 33612039 DOI: 10.1080/17425255.2021.1894122] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
INTRODUCTION Human induced pluripotent stem cell (iPSC)-derived cardiomyocytes is one of the most widely used cell-based models that resulted from the discovery of how non-embryonic stem cells can be differentiated into multiple cell types. In just one decade, iPSC-derived cardiomyocytes went from a research lab to widespread use in biomedical research and preclinical safety evaluation for drugs and other chemicals. AREAS COVERED This manuscript reviews data on toxicology applications of human iPSC-derived cardiomyocytes. We detail the outcome of a systematic literature search on their use (i) in hazard assessment for cardiotoxicity liabilities, (ii) for risk characterization, (iii) as models for population variability, and (iv) in studies of personalized medicine and disease. EXPERT OPINION iPSC-derived cardiomyocytes are useful to increase the accuracy, precision, and efficiency of cardiotoxicity hazard identification for both drugs and non-pharmaceuticals, with recent efforts beginning to demonstrate their utility for risk characterization. Notable limitations include the needs to improve the maturation of cells in culture, to better understand their potential use identifying structural cardiotoxicity, and for additional case studies involving population-wide and disease-specific risk characterization. Ultimately, the greatest future benefits are likely for non-pharmaceutical chemicals, filling a critical gap where no routine testing for cardiotoxicity is currently performed.
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Affiliation(s)
- Sarah D Burnett
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Alexander D Blanchette
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Weihsueh A Chiu
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Ivan Rusyn
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
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Müller-Ruch U, Skorska A, Lemcke H, Steinhoff G, David R. GLP: A requirement in cell therapies - perspectives for the cardiovascular field. Adv Drug Deliv Rev 2020; 165-166:96-104. [PMID: 32305352 DOI: 10.1016/j.addr.2020.04.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 04/10/2020] [Accepted: 04/12/2020] [Indexed: 02/08/2023]
Abstract
In biomedical research, enormous progress is being made and new candidates for putative medicinal products emerge. However, most published preclinical data are not conducted according to the standard Good Laboratory Practice (GLP). GLP is mandatory for preclinical analysis of Advanced Therapy Medicinal Products (ATMP) and thereby a prerequisite for planning and conduction of clinical trials. Not inconsiderable numbers of clinical trials are terminated earlier or fail - do inadequate testing strategies or missing specialized assays during the preclinical development contribute to this severe complex of problems? Unfortunately, there is also a lack of access to GLP testing results and OECD (Organisation for Economic Co-operation and Development) GLP guidelines are not yet adjusted to ATMP specialties. Ultimately, GLP offers possibilities to generate reliable and reproducible data. Therefore, this review elucidates different GLP aspects in drug development, speculates on reasons of putative low GLP acceptance in the scientific community and mentions solution proposals.
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Passini E, Trovato C, Morissette P, Sannajust F, Bueno‐Orovio A, Rodriguez B. Drug-induced shortening of the electromechanical window is an effective biomarker for in silico prediction of clinical risk of arrhythmias. Br J Pharmacol 2019; 176:3819-3833. [PMID: 31271649 PMCID: PMC6780030 DOI: 10.1111/bph.14786] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 05/21/2019] [Accepted: 06/28/2019] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND AND PURPOSE Early identification of drug-induced cardiac adverse events is key in drug development. Human-based computer models are emerging as an effective approach, complementary to in vitro and animal models. Drug-induced shortening of the electromechanical window has been associated with increased risk of arrhythmias. This study investigates the potential of a cellular surrogate for the electromechanical window (EMw) for prediction of pro-arrhythmic cardiotoxicity, and its underlying ionic mechanisms, using human-based computer models. EXPERIMENTAL APPROACH In silico drug trials for 40 reference compounds were performed, testing up to 100-fold the therapeutic concentrations (EFTPCmax ) and using a control population of human ventricular action potential (AP) models, optimised to capture pro-arrhythmic ionic profiles. EMw was calculated for each model in the population as the difference between AP and Ca2+ transient durations at 90%. Drug-induced changes in the EMw and occurrence of repolarisation abnormalities (RA) were quantified. KEY RESULTS Drugs with clinical risk of Torsade de Pointes arrhythmias induced a concentration-dependent EMw shortening, while safe drugs lead to increase or small change in EMw. Risk predictions based on EMw shortening achieved 90% accuracy at 10× EFTPCmax , whereas RA-based predictions required 100× EFTPCmax to reach the same accuracy. As it is dependent on Ca2+ transient, the EMw was also more sensitive than AP prolongation in distinguishing between pure hERG blockers and multichannel compounds also blocking the calcium current. CONCLUSION AND IMPLICATIONS The EMw is an effective biomarker for in silico predictions of drug-induced clinical pro-arrhythmic risk, particularly for compounds with multichannel blocking action.
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Affiliation(s)
- Elisa Passini
- Department of Computer ScienceUniversity of OxfordOxfordUK
| | | | - Pierre Morissette
- SALAR, Safety and Exploratory Pharmacology Department, Merck Research LaboratoriesMerck & Co., Inc.West PointPAUSA
| | - Frederick Sannajust
- SALAR, Safety and Exploratory Pharmacology Department, Merck Research LaboratoriesMerck & Co., Inc.West PointPAUSA
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7
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Sirenko O, Grimm FA, Ryan KR, Iwata Y, Chiu WA, Parham F, Wignall JA, Anson B, Cromwell EF, Behl M, Rusyn I, Tice RR. In vitro cardiotoxicity assessment of environmental chemicals using an organotypic human induced pluripotent stem cell-derived model. Toxicol Appl Pharmacol 2017; 322:60-74. [PMID: 28259702 DOI: 10.1016/j.taap.2017.02.020] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2016] [Revised: 01/24/2017] [Accepted: 02/27/2017] [Indexed: 01/22/2023]
Abstract
An important target area for addressing data gaps through in vitro screening is the detection of potential cardiotoxicants. Despite the fact that current conservative estimates relate at least 23% of all cardiovascular disease cases to environmental exposures, the identities of the causative agents remain largely uncharacterized. Here, we evaluate the feasibility of a combinatorial in vitro/in silico screening approach for functional and mechanistic cardiotoxicity profiling of environmental hazards using a library of 69 representative environmental chemicals and drugs. Human induced pluripotent stem cell-derived cardiomyocytes were exposed in concentration-response for 30min or 24h and effects on cardiomyocyte beating and cellular and mitochondrial toxicity were assessed by kinetic measurements of intracellular Ca2+ flux and high-content imaging using the nuclear dye Hoechst 33342, the cell viability marker Calcein AM, and the mitochondrial depolarization probe JC-10. More than half of the tested chemicals exhibited effects on cardiomyocyte beating after 30min of exposure. In contrast, after 24h, effects on cell beating without concomitant cytotoxicity were observed in about one third of the compounds. Concentration-response data for in vitro bioactivity phenotypes visualized using the Toxicological Prioritization Index (ToxPi) showed chemical class-specific clustering of environmental chemicals, including pesticides, flame retardants, and polycyclic aromatic hydrocarbons. For environmental chemicals with human exposure predictions, the activity-to-exposure ratios between modeled blood concentrations and in vitro bioactivity were between one and five orders of magnitude. These findings not only demonstrate that some ubiquitous environmental pollutants might have the potential at high exposure levels to alter cardiomyocyte function, but also indicate similarities in the mechanism of these effects both within and among chemicals and classes.
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Affiliation(s)
| | - Fabian A Grimm
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Kristen R Ryan
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Yasuhiro Iwata
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Weihsueh A Chiu
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Frederick Parham
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | | | - Blake Anson
- Cellular Dynamics International, Madison, WI, USA
| | | | - Mamta Behl
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
| | - Ivan Rusyn
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX, USA
| | - Raymond R Tice
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
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Kremer JJ, Bills AJ, Hanke NJ, Chen H, Meier WA, Osinski MA, Foley CM. Evaluation of cardiovascular changes in dogs administered three positive controls using jacketed external telemetry-blood pressure (JET-BP). J Pharmacol Toxicol Methods 2015; 75:27-37. [DOI: 10.1016/j.vascn.2015.05.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Revised: 05/14/2015] [Accepted: 05/14/2015] [Indexed: 12/17/2022]
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Klein SK, Redfern WS. Cardiovascular safety risk assessment for new candidate drugs from functional and pathological data: Conference report. J Pharmacol Toxicol Methods 2015; 76:1-6. [PMID: 26126834 DOI: 10.1016/j.vascn.2015.06.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Accepted: 06/24/2015] [Indexed: 02/03/2023]
Abstract
This is a report on a 2-day joint meeting between the British Society of Toxicological Pathology (BSTP) and the Safety Pharmacology Society (SPS) held in the UK in November 2013. Drug induced adverse effects on the cardiovascular system are associated with the attrition of more marketed and candidate drugs than any other safety issue. The objectives of this meeting were to foster inter-disciplinary approaches to address cardiovascular risk assessment, improve understanding of the respective disciplines, and increase awareness of new technologies. These aims were achieved. This well attended meeting covered both 'purely functional' cardiovascular adverse effects of drugs (e.g., electrophysiological and haemodynamic changes) as well as adverse effects encompassing both functional and pathological changes. Most of the presentations focused on nonclinical safety data, with information on translation to human where known. To reflect the content of the presentations we have cited key references and review articles.
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Affiliation(s)
- Stephanie K Klein
- Drug Safety & Metabolism, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom
| | - Will S Redfern
- Drug Safety & Metabolism, Alderley Park, Macclesfield, Cheshire SK10 4TG, United Kingdom.
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Berridge BR, Pettit SD, Sarazan RD. Opportunities to meet clinical cardio-oncology needs with new approaches to non-clinical safety assessment. PROGRESS IN PEDIATRIC CARDIOLOGY 2014. [DOI: 10.1016/j.ppedcard.2014.09.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Sager PT, Gintant G, Turner JR, Pettit S, Stockbridge N. Rechanneling the cardiac proarrhythmia safety paradigm: a meeting report from the Cardiac Safety Research Consortium. Am Heart J 2014; 167:292-300. [PMID: 24576511 DOI: 10.1016/j.ahj.2013.11.004] [Citation(s) in RCA: 387] [Impact Index Per Article: 38.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/14/2013] [Accepted: 11/14/2013] [Indexed: 12/18/2022]
Abstract
This white paper provides a summary of a scientific proposal presented at a Cardiac Safety Research Consortium/Health and Environmental Sciences Institute/Food and Drug Administration-sponsored Think Tank, held at Food and Drug Administration's White Oak facilities, Silver Spring, MD, on July 23, 2013, with the intention of moving toward consensus on defining a new paradigm in the field of cardiac safety in which proarrhythmic risk would be primarily assessed using nonclinical in vitro human models based on solid mechanistic considerations of torsades de pointes proarrhythmia. This new paradigm would shift the emphasis from the present approach that strongly relies on QTc prolongation (a surrogate marker of proarrhythmia) and could obviate the clinical Thorough QT study during later drug development. These discussions represent current thinking and suggestions for furthering our knowledge and understanding of the public health case for adopting a new, integrated nonclinical in vitro/in silico paradigm, the Comprehensive In Vitro Proarrhythmia Assay, for the assessment of a candidate drug's proarrhythmic liability, and for developing a public-private collaborative program to characterize the data content, quality, and approaches required to assess proarrhythmic risk in the absence of a Thorough QT study. This paper seeks to encourage multistakeholder input regarding this initiative and does not represent regulatory guidance.
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Pierson JB, Berridge BR, Brooks MB, Dreher K, Koerner J, Schultze AE, Sarazan RD, Valentin JP, Vargas HM, Pettit SD. A public-private consortium advances cardiac safety evaluation: achievements of the HESI Cardiac Safety Technical Committee. J Pharmacol Toxicol Methods 2013; 68:7-12. [PMID: 23567075 DOI: 10.1016/j.vascn.2013.03.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2013] [Revised: 03/25/2013] [Accepted: 03/26/2013] [Indexed: 10/27/2022]
Abstract
INTRODUCTION The evaluation of cardiovascular side-effects is a critical element in the development of all new drugs and chemicals. Cardiac safety issues are a major cause of attrition and withdrawal due to adverse drug reactions (ADRs) in pharmaceutical drug development. METHODS The evolution of the HESI Technical Committee on Cardiac Safety from 2000-2013 is presented as an example of an effective international consortium of academic, government, and industry scientists working to improve cardiac safety. RESULTS AND DISCUSSION The HESI Technical Committee Working Groups facilitated the development of a variety of platforms for resource sharing and communication among experts that led to innovative strategies for improved drug safety. The positive impacts arising from these Working Groups are described in this article.
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Affiliation(s)
- Jennifer B Pierson
- Health and Environmental Sciences Institute, 1156 15th Street, Northwest, Suite 200, Washington, DC 20005, USA
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