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Kamimura S, Smith M, Vogel S, Almeida LEF, Thein SL, Quezado ZMN. Mouse models of sickle cell disease: Imperfect and yet very informative. Blood Cells Mol Dis 2024; 104:102776. [PMID: 37391346 PMCID: PMC10725515 DOI: 10.1016/j.bcmd.2023.102776] [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: 05/31/2023] [Accepted: 06/16/2023] [Indexed: 07/02/2023]
Abstract
The root cause of sickle cell disease (SCD) has been known for nearly a century, however, few therapies to treat the disease are available. Over several decades of work, with advances in gene editing technology and after several iterations of mice with differing genotype/phenotype relationships, researchers have developed humanized SCD mouse models. However, while a large body of preclinical studies has led to huge gains in basic science knowledge about SCD in mice, this knowledge has not led to the development of effective therapies to treat SCD-related complications in humans, thus leading to frustration with the paucity of translational progress in the SCD field. The use of mouse models to study human diseases is based on the genetic and phenotypic similarities between mouse and humans (face validity). The Berkeley and Townes SCD mice express only human globin chains and no mouse hemoglobin. With this genetic composition, these models present many phenotypic similarities, but also significant discrepancies that should be considered when interpreting preclinical studies results. Reviewing genetic and phenotypic similarities and discrepancies and examining studies that have translated to humans and those that have not, offer a better perspective of construct, face, and predictive validities of humanized SCD mouse models.
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Affiliation(s)
- Sayuri Kamimura
- Department of Perioperative Medicine, National Institutes of Health Clinical Center, National Institutes of Health, Bethesda, MD 20892, USA
| | - Meghann Smith
- Department of Perioperative Medicine, National Institutes of Health Clinical Center, National Institutes of Health, Bethesda, MD 20892, USA
| | - Sebastian Vogel
- Department of Perioperative Medicine, National Institutes of Health Clinical Center, National Institutes of Health, Bethesda, MD 20892, USA
| | - Luis E F Almeida
- Department of Perioperative Medicine, National Institutes of Health Clinical Center, National Institutes of Health, Bethesda, MD 20892, USA
| | - Swee Lay Thein
- Sickle Cell Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA
| | - Zenaide M N Quezado
- Department of Perioperative Medicine, National Institutes of Health Clinical Center, National Institutes of Health, Bethesda, MD 20892, USA; Sickle Cell Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD 20892, USA.
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2
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Oliveira D, Fontenele R, Weleff J, Sofuoglu M, De Aquino JP. Developing non-opioid therapeutics to alleviate pain among persons with opioid use disorder: a review of the human evidence. Int Rev Psychiatry 2023; 35:377-396. [PMID: 38299655 PMCID: PMC10835074 DOI: 10.1080/09540261.2023.2229430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 06/20/2023] [Indexed: 02/02/2024]
Abstract
The opioid crisis remains a major public health concern, causing significant morbidity and mortality worldwide. Pain is frequently observed among individuals with opioid use disorder (OUD), and the current opioid agonist therapies (OAT) have limited efficacy in addressing the pain needs of this population. We reviewed the most promising non-opioid analgesic therapies for opioid-dependent individuals synthesising data from randomised controlled trials in the Medline database from December 2022 to March 2023. Ketamine, gabapentin, serotoninergic antidepressants, and GABAergic drugs were found to be the most extensively studied non-opioid analgesics with positive results. Additionally, we explored the potential of cannabinoids, glial activation inhibitors, psychedelics, cholecystokinin antagonists, alpha-2 adrenergic agonists, and cholinergic drugs. Methodological improvements are required to advance the development of novel analgesic strategies and establish their safety profile for opioid-dependent populations. We highlight the need for greater integration of experimental pain methods and abuse liability assessments, more granular assessments of prior opioid exposure, greater uniformity of pain types within study samples, and a particular focus on individuals with OUD receiving OAT. Finally, future research should investigate pharmacokinetic interactions between OAT and various non-opioid analgesics and perform reverse translation basic experiments, particularly with methadone and buprenorphine, which remain the standard OUD treatment.
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Affiliation(s)
- Debora Oliveira
- Yale University School of Medicine, Department of Psychiatry, 300 George Street, New Haven, CT 06511, USA
| | - Rodrigo Fontenele
- Yale University School of Medicine, Department of Psychiatry, 300 George Street, New Haven, CT 06511, USA
- VA Connecticut Healthcare System, 950 Campbell Avenue, West Haven, CT 06516, USA
| | - Jeremy Weleff
- Yale University School of Medicine, Department of Psychiatry, 300 George Street, New Haven, CT 06511, USA
- VA Connecticut Healthcare System, 950 Campbell Avenue, West Haven, CT 06516, USA
- Department of Psychiatry and Psychology, Center for Behavioral Health, Neurological Institute, Cleveland Clinic, 1950 E 89th St U Bldg, Cleveland, OH 44195, USA
| | - Mehmet Sofuoglu
- Yale University School of Medicine, Department of Psychiatry, 300 George Street, New Haven, CT 06511, USA
- VA Connecticut Healthcare System, 950 Campbell Avenue, West Haven, CT 06516, USA
| | - Joao P. De Aquino
- Yale University School of Medicine, Department of Psychiatry, 300 George Street, New Haven, CT 06511, USA
- VA Connecticut Healthcare System, 950 Campbell Avenue, West Haven, CT 06516, USA
- Clinical Neuroscience Research Unit, Connecticut Mental Health Center, 34 Park Street, 3 Floor, New Haven, CT 06519, USA
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Lemus R, Jacobowski NL, Humphrey L, Tobias JD. Applications of Dexmedetomidine in Palliative and Hospice Care. J Pediatr Pharmacol Ther 2022; 27:587-594. [PMID: 36186237 PMCID: PMC9514772 DOI: 10.5863/1551-6776-27.7.587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 12/10/2021] [Indexed: 08/30/2023]
Abstract
Although the use of dexmedetomidine is currently approved by the US Food and Drug Administration in the adult population for monitored anesthesia care and sedation during mechanical ventilation, clinical experience suggests the potential application of dexmedetomidine in the palliative care arena. The medication can provide sedation with lower risk of delirium, control or minimize the adverse effects of other medications, and augment analgesia from opioids. We conducted a computerized bibliographic search of the literature regarding dexmedetomidine use for the treatment of pain and provision of sedation during palliative and hospice care in adult and pediatric patients. The objective was to provide a general descriptive account of the physiologic effects of dexmedetomidine and review its potential applications in the field of palliative and hospice care in adult and pediatric patients. The sedative and analgesic effects of dexmedetomidine have been well studied in animal and human models. Published experience from both single case reports and small case series has demonstrated the potential therapeutic applications of dexmedetomidine in palliative and hospice care. In addition to intravenous administration, case reports have demonstrated its successful use by both the intranasal and subcutaneous routes. Although these experiences have suggested its safety and efficacy, larger series and additional clinical experience with prospective comparison to other agents are needed to further define its efficacy and role in palliative and hospice care.
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Affiliation(s)
- Rafael Lemus
- Department of Pediatrics (RL), The Ohio State University College of Medicine, Columbus, OH
| | - Natalie L. Jacobowski
- Department of Psychiatry and Behavioral Health (NLJ), Nationwide Children's Hospital and The Ohio State University College of Medicine, Columbus, OH
- Division of Palliative Care and Advanced Illness Management (NLJ), Nationwide Children's Hospital and Department of Pediatrics, The Ohio State University, Columbus, OH
| | | | - Joseph D. Tobias
- Department of Anesthesiology & Pain Medicine (JDT), Nationwide Children's Hospital and The Ohio State University College of Medicine, Columbus, OH
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Do chronic pain and comorbidities affect brain function in sickle cell patients? A systematic review of neuroimaging and treatment approaches. Pain 2020; 160:1933-1945. [PMID: 31045749 DOI: 10.1097/j.pain.0000000000001591] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Sickle cell disease (SCD) is a medical condition in which chronic pain is common and negatively impacts psychosocial function and quality of life. Although the brain mechanisms underlying chronic pain are well studied in other painful conditions, the brain mechanisms underlying chronic pain and the associated psychosocial comorbidities are not well established in SCD. A growing literature demonstrates the effect of treatment of chronic pain, including pharmacological and nonpharmacological treatments, on brain function. The present systematic review aimed to (1) determine the effects of chronic pain and psychosocial comorbidities on brain function of patients with SCD; (2) summarize pharmacological and nonpharmacological approaches to treat these symptoms; and (3) identify areas for further investigation of potential beneficial effects of treatments on brain function. Titles were screened using predefined criteria, including SCD, and abstracts and full texts were reviewed by 2 independent reviewers. A total of 1167 SCD articles were identified, and 86 full articles were included covering 3 sections: chronic pain (4 studies), psychosocial comorbidities (11 studies), and pharmacological and nonpharmacological treatments (71 studies). Neuroimaging evidence demonstrates aberrant neural processing related to chronic pain and psychosocial comorbidities in SCD beyond ischemic stroke and cerebral hemorrhage. Although neuroimaging studies show an important role for psychological factors, pain management is nearly exclusively based on opioids. Behavior therapy seems useful to improve psychological symptoms as well as chronic pain and quality of life. Further investigation is required with larger cohorts, matched controls, and examination of treatment-related neural mechanisms.
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Abstract
Introduction: Acute pain from episodic vaso-occlusion (VOC) spans the lifespan of almost everyone with sickle cell disease (SCD), while additional chronic pain develops in susceptible individuals in early adolescences. Frequent acute pain with chronic pain causes significant physical and psychological morbidity, and frequent health-care utilization. Available pharmacologic therapies reduce acute pain frequency but few evidence-based therapies are available for chronic pain. Areas covered: An extensive PubMed literature search was performed with appropriate search criteria. The pathophysiology of acute pain from VOC in SCD is very complex with many events subsequent to sickle polymer formation. Sensitization of pain pathways and alterations of brain networks contributes to the experience of chronic pain. Numerous therapies targeting putative VOC mechanisms are in clinical trials, and show considerable promise. Alternative analgesic treatments for acute and chronic pain have been examined in small patient cohorts, but formal clinical trials are lacking. Expert opinion: Childhood is likely a critical window for prevention of acute and later chronic pain. New multimodal analgesic therapies are needed, particularly for chronic pain, and should be examined in clinical trials. Given the multifactorial nature of both pain and VOC, simultaneously targeting multiple mechanisms may be the optimal approach for effective preventive therapies.
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Affiliation(s)
- Carlton Dampier
- Department of Pediatrics, Emory University School of Medicine and Children's Healthcare of Atlanta , Atlanta , GA , USA
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Qiu H, Sun Z, Shadhiya F, Arulthas R, Priya GV, Christopher P, Muhammad Z, Yu Y. The influence of dexmedetomidine on remifentanil-induced hyperalgesia and the sex differences. Exp Ther Med 2018; 16:3596-3602. [PMID: 30233714 DOI: 10.3892/etm.2018.6641] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 04/25/2018] [Indexed: 12/25/2022] Open
Abstract
In the clinical settings, patients often develop opioid-induced hyperalgesia (OIH) after utilization of high dose intra-operative remifentanil. Systemic α2 agonists, including dexmedetomidine, are believed to reduce pain and opioid requirements after surgery, thus decreasing the incidence of hyperalgesia. The present study aimed to investigate the effect of dexmedetomidine on remifentanil-induced hyperalgesia and explored the sex differences. A total of 48 patients (24 male, 24 female) with an American Society of Anesthesiologists physical status of I-II that were undergoing thyroidectomy were randomly assigned to one of the following six groups: Male controlled group (MC) and female controlled group (FC) (group MC, n=8 and group FC, n=8), which received a preoperative placebo of 0.2 µg.kg-1 normal saline and intraoperative remifentanil 0.2 µg.kg-1.min-1; male and female group with low-dose dexmedetomidine (group MD1, n=8 and group FD1, n=8), which received preoperative dexmedetomidine 0.2 µg.kg-1 and intraoperative remifentanil 0.2 µg.kg-1.min-1; and male and female groups with high-dose dexmedetomidine (group MD2, n=8 and group FD2, n=8), which received dexmedetomidine 0.6 µg.kg-1 and intraoperative remifentanil 0.2 µg.kg-1.min-1. Result indicated that the visual analog scale (VAS) scores and morphine dosing frequency were significantly higher in MC and FC groups compared with the other same sex groups. Furthermore, the mechanical hyperalgesia threshold and patients' analgesia satisfaction score after surgery were significantly lower in MC and FC groups. Notably, the frequency of post-operative chills, nausea and vomiting were significantly lower in groups MD1, MD2, FD1 and FD2. The present findings indicated that low- and high-dose dexmedetomidine injection significantly decreased the patient's risk of enhanced pain intensity and increased postoperative morphine dosing caused by remifentanil-induced hyperalgesia. These findings suggest that the influence of dexmedetomidine displayed minimal significant differences between sex. Trial registration no., IRB2018-YX-001 (Name of registry: Institutional Medical Ethics Committee of Tianjin Medical University General Hospital; date of registration: February 1, 2016).
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Affiliation(s)
- Haidi Qiu
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China.,Department of International Medical School, Tianjin Medical University, Tianjin 300070, P.R. China
| | - Zhe Sun
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
| | - Fathima Shadhiya
- Department of International Medical School, Tianjin Medical University, Tianjin 300070, P.R. China
| | - Renuka Arulthas
- Department of International Medical School, Tianjin Medical University, Tianjin 300070, P.R. China
| | - Gita Vishnu Priya
- Department of International Medical School, Tianjin Medical University, Tianjin 300070, P.R. China
| | - Pariyatha Christopher
- Department of International Medical School, Tianjin Medical University, Tianjin 300070, P.R. China
| | - Zulaihat Muhammad
- Department of International Medical School, Tianjin Medical University, Tianjin 300070, P.R. China
| | - Yonghao Yu
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin 300052, P.R. China
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Nobrega R, Sheehy KA, Lippold C, Rice AL, Finkel JC, Quezado ZMN. Patient characteristics affect the response to ketamine and opioids during the treatment of vaso-occlusive episode-related pain in sickle cell disease. Pediatr Res 2018; 83:445-454. [PMID: 28902183 DOI: 10.1038/pr.2017.197] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 07/31/2017] [Indexed: 01/31/2023]
Abstract
BackgroundN-methyl-D-aspartate receptor activation has been implicated in the pathobiology of inflammatory, nociceptive and neuropathic pain, opioid tolerance, opioid-induced hyperalgesia, and central sensitization. Some of those mechanisms underlie sickle cell disease(SCD)-associated pain.MethodsWe conducted an exploratory cohort study of SCD patients who during vaso-occlusive episodes (VOEs) received subanesthetic doses of the N-methyl-D-aspartate receptor antagonist, ketamine, as an adjunct to opioids. We sought to identify predictors of changes in pain scores and of the percentage of ketamine infusions associated with meaningful changes (≥20% reduction) in pain and opioid consumption.ResultsEight-five patients received 181 ketamine infusions for VOE-associated pain. Combined with opioids, ketamine yielded significant decrease in pain scores and opioid consumption. Ketamine administered to males and to younger patients yielded greater pain score decrease compared with females (P=0.013) and older patients (P=0.018). Fifty-four percent of infusions yielded meaningful reductions in pain scores, and in multivariate analysis, sex, age group, pain location, and infusion duration independently predicted pain score changes.ConclusionThis study suggests that in SCD patients admitted with VOE-associated pain, ketamine has age- and sex-dependent effects. These data can inform sample and effect size calculations for controlled trials to determine which SCD patients would benefit most from ketamine.
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Affiliation(s)
- Raissa Nobrega
- Division of Anesthesiology, Pain, and Perioperative Medicine, The Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's Research Institute, Children's National Health System, George Washington University School of Medicine and Health Sciences, Washington, DC
| | - Kathy A Sheehy
- Division of Anesthesiology, Pain, and Perioperative Medicine, The Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's Research Institute, Children's National Health System, George Washington University School of Medicine and Health Sciences, Washington, DC
| | - Caroline Lippold
- Division of Anesthesiology, Pain, and Perioperative Medicine, The Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's Research Institute, Children's National Health System, George Washington University School of Medicine and Health Sciences, Washington, DC
| | - Amy L Rice
- Division of Anesthesiology, Pain, and Perioperative Medicine, The Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's Research Institute, Children's National Health System, George Washington University School of Medicine and Health Sciences, Washington, DC
| | - Julia C Finkel
- Division of Anesthesiology, Pain, and Perioperative Medicine, The Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's Research Institute, Children's National Health System, George Washington University School of Medicine and Health Sciences, Washington, DC
| | - Zenaide M N Quezado
- Division of Anesthesiology, Pain, and Perioperative Medicine, The Sheikh Zayed Institute for Pediatric Surgical Innovation, Children's Research Institute, Children's National Health System, George Washington University School of Medicine and Health Sciences, Washington, DC.,Pediatric Anesthesia and Critical Care, Department of Perioperative Medicine, National Institutes of Health Clinical Center, National Institutes of Health, Bethesda, Maryland
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Dexmedetomidine as Part of a Multimodal Analgesic Treatment Regimen for Opioid Induced Hyperalgesia in a Patient with Significant Opioid Tolerance. Case Rep Anesthesiol 2017; 2017:9876306. [PMID: 29147587 PMCID: PMC5632867 DOI: 10.1155/2017/9876306] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Accepted: 08/22/2017] [Indexed: 02/04/2023] Open
Abstract
Acute postoperative pain in patients with opioid tolerance creates a significant management challenge for anesthesiologists and pain medicine physicians. A multimodal approach is key; however other factors can complicate management such as opioid induced hyperalgesia. We present the case of a patient on large amounts of intrathecal opioids for chronic pain syndrome with opioid induced hyperalgesia after an exploratory laparotomy. Dexmedetomidine was utilized successfully as part of a controlled multimodal analgesic plan and should be a consideration for opioid tolerant patients experiencing opioid induced hyperalgesia.
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