1
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Okamoto K, Nozawa H, Emoto S, Murono K, Sasaki K, Ishihara S. Does statin suppress oxaliplatin-induced peripheral neuropathy in patients with colorectal cancer? A single-center observational study. Support Care Cancer 2023; 31:660. [PMID: 37897532 PMCID: PMC10613143 DOI: 10.1007/s00520-023-08134-2] [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: 06/12/2023] [Accepted: 10/19/2023] [Indexed: 10/30/2023]
Abstract
BACKGROUND Oxaliplatin-induced peripheral neuropathy (OIPN) is a common and dose-limiting toxicity that markedly limits the use of oxaliplatin and affects quality of life. Statins have been shown to exert neuroprotective effects in preclinical settings. The aim of the present study was to clarify whether statins prevented OIPN in patients with colorectal cancer (CRC) receiving adjuvant CAPOX therapy. METHODS We examined 224 patients who received adjuvant CAPOX therapy for CRC between July 2010 and December 2021 at our hospital. Patients were divided into "Statin" and "Non-statin" groups based on statin use. Details on and the adverse events of adjuvant CAPOX therapy were examined in association with statin use. RESULTS Thirty-one patients (14%) were treated with statins. There were no intergroup differences in the relative dose intensity or number of CAPOX cycles between the Statin and Non-statin groups. In total, 94% of patients in the Statin group and 95% of those in the Non-statin group developed OIPN (p=0.67). The severity of OIPN was similar between the two groups (p=0.89). The frequency of treatment delays in CAPOX did not significantly differ between the Statin and Non-statin groups (16% vs. 11%, p=0.45). CONCLUSIONS The efficacy of statins to attenuate OIPN during adjuvant CAPOX therapy was not apparent in the current study. Further studies are needed to confirm the present results.
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Affiliation(s)
- Kazuaki Okamoto
- Department of Surgical Oncology, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.
| | - Hiroaki Nozawa
- Department of Surgical Oncology, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Shigenobu Emoto
- Department of Surgical Oncology, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Koji Murono
- Department of Surgical Oncology, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Kazuhito Sasaki
- Department of Surgical Oncology, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Soichiro Ishihara
- Department of Surgical Oncology, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
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2
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Bruthans T, Vránová J, Yamamotová A. Objective Evaluation of Chronic Low-Back Pain Using Serum Lipids: The Role of the Doctor-Patient Relationship. Pain Res Manag 2023; 2023:9972093. [PMID: 37034884 PMCID: PMC10079384 DOI: 10.1155/2023/9972093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Revised: 02/25/2023] [Accepted: 03/17/2023] [Indexed: 04/03/2023]
Abstract
Statistical data show that pain intensity in patients with low back pain is associated with a higher BMI, total serum cholesterol, and triacylglycerol levels. The objective of our study was to evaluate how these associations are dependent on the nature of the patient-doctor relationship. Eighty-nine patients hospitalized with chronic low-back pain (50 women, 39 men; average age: 64.5 ± 12.7 years) were assessed over a 3-year period. A serum lipid analysis was conducted (LDL-C, HDL-C, and total cholesterols) at admission in parallel with a subjective evaluation of pain intensity, which was assessed using a numeric rating scale. The participating physician assigned, based on their personal interaction with the patient, an attribute of affinity (positive, neutral, and negative) towards them. Current serum lipid levels and pain intensity were correlated relative to these attributes. Pain intensity did not differ between the groups assigned positive or negative attributes of affinity. In patients belonging to the “positive” group, pain intensity correlated positively with total cholesterol (
) and LDL cholesterol (
). No correlations were found in the “negative” group or when the patient-doctor relationship was ignored. We found a significant association between subjectively assessed low back pain intensity and serum levels of total and LDL cholesterol in patients with whom the physician had a positive affinity. A positive affinity with the patients having chronic pain and the patient’s trust in their physicians may ultimately mean that the patient’s statement about pain is more credible, which may retroactively affect the outcome of therapy.
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Affiliation(s)
- Tomáš Bruthans
- Charles University, Third Faculty of Medicine, Department of Physiology, Prague, Czech Republic
- Department of Neurology, Hospital Horovice, Horovice, Czech Republic
| | - Jana Vránová
- Charles University, Third Faculty of Medicine, Department of Medical Biophysics and Medical Informatics, Prague, Czech Republic
| | - Anna Yamamotová
- Charles University, Third Faculty of Medicine, Department of Physiology, Prague, Czech Republic
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3
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Merheb D, Dib G, Zerdan MB, Nakib CE, Alame S, Assi HI. Drug-Induced Peripheral Neuropathy: Diagnosis and Management. Curr Cancer Drug Targets 2021; 22:49-76. [PMID: 34288840 DOI: 10.2174/1568009621666210720142542] [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: 01/28/2021] [Revised: 05/07/2021] [Accepted: 05/21/2021] [Indexed: 01/09/2023]
Abstract
Peripheral neuropathy comes in all shapes and forms and is a disorder which is found in the peripheral nervous system. It can have an acute or chronic onset depending on the multitude of pathophysiologic mechanisms involving different parts of nerve fibers. A systematic approach is highly beneficial when it comes to cost-effective diagnosis. More than 30 causes of peripheral neuropathy exist ranging from systemic and auto-immune diseases, vitamin deficiencies, viral infections, diabetes, etc. One of the major causes of peripheral neuropathy is drug induced disease, which can be split into peripheral neuropathy caused by chemotherapy or by other medications. This review deals with the latest causes of drug induced peripheral neuropathy, the population involved, the findings on physical examination and various workups needed and how to manage each case.
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Affiliation(s)
- Diala Merheb
- Department of Internal Medicine, Saint George Hospital University Medical Center, Beirut, Lebanon
| | - Georgette Dib
- Department of Internal Medicine, Division of Neurology, American University of Beirut Medical Center, Beirut, Lebanon
| | - Maroun Bou Zerdan
- Department of Internal Medicine, Division of Hematology and Oncology, Naef K. Basile Cancer Institute, American University of Beirut Medical Center, Beirut, Lebanon
| | - Clara El Nakib
- Department of Internal Medicine, Division of Hematology and Oncology, Naef K. Basile Cancer Institute, American University of Beirut Medical Center, Beirut, Lebanon
| | - Saada Alame
- Department of Pediatrics, Clemenceau Medical Center, Faculty of Medical Sciences, Lebanese University, Beirut,, Lebanon
| | - Hazem I Assi
- Department of Internal Medicine Naef K. Basile Cancer Institute American University of Beirut Medical Center Riad El Solh 1107 2020 Beirut, Lebanon
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4
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Jones MR, Urits I, Wolf J, Corrigan D, Colburn L, Peterson E, Williamson A, Viswanath O. Drug-Induced Peripheral Neuropathy: A Narrative Review. ACTA ACUST UNITED AC 2021; 15:38-48. [PMID: 30666914 PMCID: PMC7365998 DOI: 10.2174/1574884714666190121154813] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 12/03/2018] [Accepted: 01/11/2019] [Indexed: 11/22/2022]
Abstract
Background Peripheral neuropathy is a painful condition deriving from many and varied etiologies. Certain medications have been implicated in the iatrogenic development of Drug Induced Peripheral Neuropathy (DIPN) and include chemotherapeutic agents, antimicrobials, cardiovascular drugs, psychotropic, anticonvulsants, among others. This review synthesizes current clinical concepts regarding the mechanism, common inciting medications, and treatment options for drug-induced peripheral neuropathy. Methods The authors undertook a structured search of bibliographic databases for peer-reviewed research literature using a focused review question and inclusion/exclusion criteria. The most relevant and up to date research was included. Results Drug-induced peripheral neuropathy is a common and painful condition caused by many different and frequently prescribed medications. Most often, DIPN is seen in chemotherapeutic agents, antimicrobials, cardiovascular drugs, psychotropic, and anticonvulsant drugs. Certain drugs exhibit more consistent neuropathic side effects, such as the chemotherapeutic compounds, but others are more commonly prescribed by a larger proportion of providers, such as the statins. DIPN is more likely to occur in patients with concomitant risk factors such as preexisting neuropathy, diabetes, and associated genetically predisposing diseases. DIPN is often difficult to treat, however medications including duloxetine, and gabapentin are shown to reduce neuropathic pain. Advanced techniques of neuromodulation offer promise though further randomized and controlled studies are needed to confirm efficacy. Conclusion Awareness of the drugs covered in this review and their potential for adverse neuropathic effect is important for providers caring for patients who report new onset symptoms of pain, paresthesia, or weakness. Prevention of DIPN is especially important because treatment often proves challenging. While many pharmacologic therapies have demonstrated analgesic potential in the pain caused by DIPN, many patients remain refractive to treatment. More studies are needed to elucidate the effectiveness of interventional, neuromodulating therapies.
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Affiliation(s)
- Mark R Jones
- Harvard Medical School, Beth Israel Deaconess Medical Center, Department of Anesthesia, Critical Care, and Pain Medicine, Boston, MA, 02118, United States
| | - Ivan Urits
- Harvard Medical School, Beth Israel Deaconess Medical Center, Department of Anesthesia, Critical Care, and Pain Medicine, Boston, MA, 02118, United States
| | - John Wolf
- Creighton University School of Medicine-Phoenix Regional Campus, St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013, United States
| | - Devin Corrigan
- Creighton University School of Medicine-Phoenix Regional Campus, St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013, United States
| | - Luc Colburn
- Creighton University School of Medicine-Phoenix Regional Campus, St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013, United States
| | - Emily Peterson
- Creighton University School of Medicine-Phoenix Regional Campus, St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013, United States
| | - Amber Williamson
- Creighton University School of Medicine-Phoenix Regional Campus, St. Joseph's Hospital and Medical Center, Phoenix, AZ 85013, United States
| | - Omar Viswanath
- Valley Anesthesiology and Pain Consultants, Phoenix, AZ, University of Arizona College of Medicine-Phoenix, Phoenix, AZ, Creighton University School of Medicine, Omaha, NE, United States
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5
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El-Sawaf ES, Saleh S, Abdallah DM, Ahmed KA, El-Abhar HS. Vitamin D and rosuvastatin obliterate peripheral neuropathy in a type-2 diabetes model through modulating Notch1, Wnt-10α, TGF-β and NRF-1 crosstalk. Life Sci 2021; 279:119697. [PMID: 34102194 DOI: 10.1016/j.lfs.2021.119697] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 05/29/2021] [Accepted: 05/30/2021] [Indexed: 11/28/2022]
Abstract
AIMS Vitamin D and rosuvastatin are well-known drugs that mediate beneficial effects in treating type-2 diabetes (T2D) complications; however, their anti-neuropathic potential is debatable. Hence, our study investigates their neurotherapeutic potential and the possible underlying mechanisms using a T2D-associated neuropathy rat model. MAIN METHODS Diabetic peripheral neuropathy (DPN) was induced with 8 weeks of administration of a high fat fructose diet followed by a single i.p. injection of streptozotocin (35 mg/kg). Six weeks later, DPN developed and rats were divided into five groups; viz., control, untreated DPN, DPN treated with vitamin D (cholecalciferol, 3500 IU/kg/week), DPN treated with rosuvastatin (10 mg/kg/day), or DPN treated with combination vitamin D and rosuvastatin. We determined their anti-neuropathic effects on small nerves (tail flick test); large nerves (electrophysiological and histological examination); neuronal inflammation (TNF-α and IL-18); apoptosis (caspase-3 activity and Bcl-2); mitochondrial function (NRF-1, TFAM, mtDNA, and ATP); and NICD1, Wnt-10α/β-catenin, and TGF-β/Smad-7 pathways. KEY FINDINGS Two-month treatment with vitamin D and/or rosuvastatin regenerated neuronal function and architecture and abated neuronal inflammation and apoptosis. This was verified by the inhibition of the neuronal content of TNF-α, IL-18, and caspase-3 activity, while augmenting Bcl-2 content in the sciatic nerve. These treatments inhibited the protein expressions of NICD1, Wnt-10α, β-catenin, and TGF-β; increased the sciatic nerve content of Smad-7; and enhanced mitochondrial biogenesis and function. SIGNIFICANCE Vitamin D and/or rosuvastatin alleviated diabetes-induced neuropathy by suppressing Notch1 and Wnt-10α/β-catenin; modulating TGF-β/Smad-7 signaling pathways; and enhancing mitochondrial function, which lessened neuronal degeneration, demyelination, and fibrosis.
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Affiliation(s)
- Engie S El-Sawaf
- Pharmacology, Toxicology, and Biochemistry Department, Faculty of Pharmacy, Future University in Egypt, Cairo, Egypt
| | - Samira Saleh
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
| | - Dalaal M Abdallah
- Pharmacology and Toxicology Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Kawkab A Ahmed
- Pathology Department, Faculty of Veterinary Medicine, Cairo University, Cairo, Egypt
| | - Hanan S El-Abhar
- Pharmacology, Toxicology, and Biochemistry Department, Faculty of Pharmacy, Future University in Egypt, Cairo, Egypt; Pharmacology and Toxicology Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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6
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Skiold LCJ, Estefania RPP, Carolina GPMP, Mery LMR, Fernando CHE, Jair LC. Synergistic interaction between B vitamins and statins to counter nociception in rats. Drug Dev Res 2020; 82:440-447. [PMID: 33305435 DOI: 10.1002/ddr.21767] [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: 02/17/2020] [Revised: 10/02/2020] [Accepted: 10/18/2020] [Indexed: 11/10/2022]
Abstract
Evidence suggests that the antinociceptive activity of various drugs can be increased when administered in combination with B vitamins (BVs). The aim of this study was to examine the potential interaction between statins and BVs to counter nociception, the latter measured by the formalin test. Rats were orally administered atorvastatin (1, 3, 10 and 30 mg/kg), pravastatin (1, 3, 10 and 30 mg/kg), rosuvastatin (1, 3, 10 and 30 mg/kg), BVs (31, 56, 100 and 180 mg/kg) or calculated combinations of BVs with each drug. The effective dose 30 (ED30 ) was calculated for each statin and BVs and subjected to isobolographic analysis, thus finding the ED30 of the combinations. The antinociceptive experimental ED30 values for BVs administered with atorvastatin, pravastatin or rosuvastatin were 1.53 ± 0.38, 6.74 ± 0.04 and 4.26 ± 0.39, respectively, being lower (p < .05) than the corresponding theoretical ED30 : 28.02 ± 2.20, 28.17 ± 2.20 and 29.86 ± 2.21. Since BVs likely boost the antinociceptive effect of statins, these combinations could possibly be advantageous in pain management.
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Affiliation(s)
- López-Canales Jorge Skiold
- Departamento de Fisiología y Desarrollo Celular, Instituto Nacional de Perinatología, Ciudad de México, Mexico.,Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina de Instituto Politécnico Nacional, Ciudad de México, Mexico
| | | | - García-Paz María Paola Carolina
- Servicio de Pediatría, Hospital General de Zona Regional No. 25, Instituto Mexicano del Seguro Social, Ciudad de México, Mexico
| | - López-Mayorga Ruth Mery
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina de Instituto Politécnico Nacional, Ciudad de México, Mexico
| | - Castillo-Henkel Enrique Fernando
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina de Instituto Politécnico Nacional, Ciudad de México, Mexico
| | - Lozano-Cuenca Jair
- Departamento de Fisiología y Desarrollo Celular, Instituto Nacional de Perinatología, Ciudad de México, Mexico
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7
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Gurha N, Rehan HS, Yadav M, Gupta LK. Association of statin induced reduction in serum coenzyme Q10 level and conduction deficits in motor and sensory nerves: An observational cross-sectional study. Clin Neurol Neurosurg 2020; 196:106046. [DOI: 10.1016/j.clineuro.2020.106046] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 06/20/2020] [Accepted: 06/23/2020] [Indexed: 01/04/2023]
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8
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Pergolizzi JV, Magnusson P, LeQuang JA, Razmi R, Zampogna G, Taylor R. Statins and Neuropathic Pain: A Narrative Review. Pain Ther 2020; 9:97-111. [PMID: 32020545 PMCID: PMC7203325 DOI: 10.1007/s40122-020-00153-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Indexed: 12/11/2022] Open
Abstract
The frequently prescribed drug class of statins have pleiotropic effects and have been implicated in neuropathic pain syndromes. This narrative review examines studies of statin-induced neuropathic pain which to date have been conducted only in animal models. However, the pathophysiology of diabetic neuropathy in humans may shed some light on the etiology of neuropathic pain. Statins have exhibited a paradoxical effect in that statins appear to reduce neuropathic pain in animals but have been associated with neuropathic pain in humans. While there are certain postulated mechanisms offering elucidation as to how statins might be associated with neuropathic pain, there is, as the American Heart Association stated, to date no definitive association between statins and neuropathic pain. Statins are important drugs that reduce cardiovascular risk factors and should be prescribed to appropriate patients with these risk factors but some of this population is also at elevated risk for neuropathic pain from other causes.
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Affiliation(s)
| | - Peter Magnusson
- Cardiology Research Unit, Department of Medicine, Karolinska Institutet, Stockholm, Sweden
- Centre for Research and Development, Region Gävleborg/Uppsala University, Gävle, Sweden
| | | | - Robin Razmi
- Department of Infectious Disease, Region Gävleborg/Uppsala University, Gävle, Sweden
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9
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Pergolizzi JV, Coluzzi F, Colucci RD, Olsson H, LeQuang JA, Al-Saadi J, Magnusson P. Statins and muscle pain. Expert Rev Clin Pharmacol 2020; 13:299-310. [PMID: 32089020 DOI: 10.1080/17512433.2020.1734451] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Introduction: Statins remain among the most frequently prescribed drugs and constitute a cornerstone in the prevention of cardiovascular disease. However, muscle symptoms are often reported from patients on statins. Muscle symptoms are frequently reported as adverse events associated with statin therapy.Areas covered: In the present narrative review, statin-associated muscle pain is discussed. It elucidates potential mechanisms and possible targets for management.Expert opinion: In general, the evidence in support of muscle pain caused by statins is in some cases equivocal and not particularly strong. Reported symptoms are difficult to quantify. Rarely is it possible to establish a causal link between statins and muscle pain. In randomized controlled trials, statins are well tolerated, and muscle-pain related side-effects is similar to placebo. There are also nocebo effects of statins. Exchange of statin may be beneficial although all statins have been associated with muscle pain. In some patients reduction of dose is worth trying, especially in primary prevention Although the benefits of statins outweigh potential risks in the vast majority of cases, careful clinical judgment may be necessary in certain cases to manage potential side effects on an individual basis.
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Affiliation(s)
| | - Flaminia Coluzzi
- Department of Medical and Surgical Sciences and Biotechnologies, Unit of Anaesthesia, Intensive Care and Pain Medicine, Sapienza University of Rome, Rome, Italy
| | - Robert D Colucci
- NEMA Research, Inc., Naples, FL, USA.,Colucci & Associates, LLC, Newtown, Connecticut, USA
| | - Hanna Olsson
- Centre for Research and Development, Region Gävleborg/Uppsala University, Gävle, Sweden
| | | | - Jonathan Al-Saadi
- Centre for Research and Development, Region Gävleborg/Uppsala University, Gävle, Sweden
| | - Peter Magnusson
- Centre for Research and Development, Region Gävleborg/Uppsala University, Gävle, Sweden.,Cardiology Research Unit, Institution of Medicine, Karolinska Institutet, Stockholm, Sweden
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10
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Sneyd JR, Colvin LA, Columb MO, Nightingale T. Perioperative statins surgery and postoperative pain. Br J Anaesth 2019; 119:712-715. [PMID: 29121300 DOI: 10.1093/bja/aex248] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Affiliation(s)
- J R Sneyd
- Peninsula Medical School, Plymouth University, Plymouth PL6 8BU, UK
| | - L A Colvin
- Department of Anaesthesia, Critical Care & Pain Medicine, Western General Hospital, Edinburgh, UK
| | - M O Columb
- Intensive Care Unit, Wythenshawe Hospital, Manchester M23 9LT, UK
| | - T Nightingale
- Peninsula Medical School, Plymouth University, Plymouth PL6 8BU, UK
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11
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Saasouh W, Leung S, Yilmaz HO, Koyuncu O, You J, Zimmerman NM, Ruetzler K, Turan A. Are perioperative therapeutic doses of statins associated with postoperative pain and opioid consumption after hip surgery under spinal anaesthesia? Br J Anaesth 2019; 119:803-811. [PMID: 29121296 DOI: 10.1093/bja/aex232] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/21/2017] [Indexed: 12/25/2022] Open
Abstract
Background The anti-inflammatory effects of statins have been suggested to relieve postoperative pain. This retrospective study tested the association between the perioperative routine use of statins in therapeutic doses, and opioid requirements and pain scores, after hip replacement surgery. Methods With IRB approval, data was obtained for adult patients who had elective hip replacement surgery under spinal anaesthesia at Cleveland Clinic between 2005 and 2015. Patients were compared using a joint hypothesis framework. We used the inverse probability of treatment weighting method to control for observed confounding factors (a total of 26). Results We included 611 statin users and 780 non-statin users. Pain score during the initial 72 h after surgery was 0.07 higher (95% CI: -0.02, 0.17) in statin users (noninferiority test in both directions P<0.001). The estimated ratio of geometric means in the cumulative i.v. morphine equivalent opioid consumption was 1.01 (95% CI: 0.93, 1.10) for statin vs non-statin users (noninferiority test P=0.001 in the hypothesized direction and<0.001 in the other direction) during the initial 72 h after surgery. The statin and non-statin patients were deemed equivalent on postoperative opioid consumption and pain score. Conclusions This is the first large retrospective clinical study that investigates the effects of statin use on postoperative pain and opioid consumption. We observed no difference between statin users and non-users during the initial 72 h after hip surgery. Our findings do not support the routine use of statins as part of an analgesic regimen.
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Affiliation(s)
- W Saasouh
- Department of Outcomes Research, Anaesthesiology Institute, Cleveland Clinic, 9500 Euclid Avenue, P-77, Cleveland, OH 44195, USA.,Department of General Anaesthesiology, Anaesthesiology Institute, Cleveland Clinic, Cleveland, OH, USA
| | - S Leung
- Department of Outcomes Research, Anaesthesiology Institute, Cleveland Clinic, 9500 Euclid Avenue, P-77, Cleveland, OH 44195, USA
| | - H O Yilmaz
- Department of Anesthesiology and Reanimation, Fatih Sultan Mehmet Training and Research Hospital, Istanbul, Turkey.,Outcomes Research Consortium, Cleveland, OH, USA
| | - O Koyuncu
- Outcomes Research Consortium, Cleveland, OH, USA.,Department of Anaesthesiology and Reanimation, Tayfur Ata Sökmen Medical Faculty, Mustafa Kemal University, Hatay, Turkey
| | - J You
- Department of Outcomes Research, Anaesthesiology Institute, Cleveland Clinic, 9500 Euclid Avenue, P-77, Cleveland, OH 44195, USA.,Department of Quantitative Health Sciences, Cleveland Clinic, Ohio, USA
| | - N M Zimmerman
- Department of Outcomes Research, Anaesthesiology Institute, Cleveland Clinic, 9500 Euclid Avenue, P-77, Cleveland, OH 44195, USA.,Department of Quantitative Health Sciences, Cleveland Clinic, Ohio, USA
| | - K Ruetzler
- Department of Outcomes Research, Anaesthesiology Institute, Cleveland Clinic, 9500 Euclid Avenue, P-77, Cleveland, OH 44195, USA
| | - A Turan
- Department of Outcomes Research, Anaesthesiology Institute, Cleveland Clinic, 9500 Euclid Avenue, P-77, Cleveland, OH 44195, USA
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12
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Sałat K, Gryzło B, Kulig K. Experimental Drugs for Neuropathic Pain. Curr Neuropharmacol 2018; 16:1193-1209. [PMID: 29745335 PMCID: PMC6187752 DOI: 10.2174/1570159x16666180510151241] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 02/02/2018] [Accepted: 05/07/2018] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Neuropathic pain (NP) is an important public health problem and despite recent progress in the understanding, diagnosis, pathophysiological mechanisms and the treatment of NP, many patients remain refractory to pharmacotherapy. OBJECTIVE Currently used drugs have limited efficacy and dose-limiting adverse effects, and thus there is a substantial need for further development of novel medications for its treatment. Alternatively, drugs approved for use in diseases other than NP can be applied as experimental for NP conditions. This paper covers advances in the field of NP treatment. RESULTS The prime focus of this paper is on drugs with well-established pharmacological activity whose current therapeutic applications are distinct from NP. These drugs could be a potential novel treatment of NP. Data from preclinical studies and clinical trials on these experimental drugs are presented. The development of advanced methods of genomics enabled to propose new targets for drugs which could be effective in the NP treatment. CONCLUSION Experimental drugs for NP can be a treatment option which should be tailor-made for each individual on the basis of pain features, previous therapies, associated clinical conditions, recurrence of pain, adverse effects, contraindications and patients' preferences. At present, there are only some agents which may have potential as novel treatments. Increasing knowledge about mechanisms underlying NP, mechanisms of drug action, as well as available data from preclinical and clinical studies make botulinum toxin A, minocycline, ambroxol, statins and PPAR agonists (ATx086001) promising potential future treatment options.
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Affiliation(s)
- Kinga Sałat
- Address correspondence to this author at the Faculty of Pharmacy,
Jagiellonian University, 9 Medyczna St., 30-688 Kraków, Poland; Tel: + 48 12 6205 555; Fax: + 48 12 6205 554; E-mail:
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13
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Warendorf J, Vrancken AFJE, van Schaik IN, Hughes RAC, Notermans NC. Drug therapy for chronic idiopathic axonal polyneuropathy. Cochrane Database Syst Rev 2017; 6:CD003456. [PMID: 28631805 PMCID: PMC6481404 DOI: 10.1002/14651858.cd003456.pub3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
BACKGROUND Chronic idiopathic axonal polyneuropathy (CIAP) is an insidiously progressive sensory or sensorimotor polyneuropathy that affects elderly people. Although severe disability or handicap does not occur, CIAP reduces quality of life. CIAP is diagnosed in 10% to 25% of people referred for evaluation of polyneuropathy. There is a need to gather and review emerging evidence on treatments, as the number of people affected is likely to increase in ageing populations. This is an update of a review first published in 2004 and previously updated in 2006, 2008, 2011 and 2013. OBJECTIVES To assess the effects of drug therapy for chronic idiopathic axonal polyneuropathy for reducing disability and ameliorating neurological symptoms and associated impairments, and to assess any adverse effects of treatment. SEARCH METHODS In July 2016, we searched Cochrane Central Register of Controlled Trials and the Cochrane Database of Systematic Reviews in the Cochrane Library, MEDLINE, Embase, and the Web of Science. We searched two trials registries for ongoing trials. We also handsearched the reference lists of relevant articles, reviews and textbooks identified electronically, and we would have contacted authors and other experts in the field to identify additional studies if this seemed useful. SELECTION CRITERIA We sought all randomised or quasi-randomised (alternate or other systematic treatment allocation) trials that examined the effects of any drug therapy in people with CIAP at least one year after the onset of treatment. People with CIAP had to fulfil the following criteria: age 40 years or older, distal sensory or sensorimotor polyneuropathy, absence of systemic or other neurological disease, chronic clinical course not reaching a nadir in less than two months, exclusion of any recognised cause of the polyneuropathy by medical history taking, clinical or laboratory investigations, and electrophysiological studies in agreement with axonal polyneuropathy, without evidence of demyelinating features. The primary outcome was the proportion of participants with a significant improvement in disability. Secondary outcomes were change in the mean disability score, change in the proportion of participants who make use of walking aids, change in the mean Medical Research Council sum score, degree of pain relief and/or reduction of other positive sensory symptoms, change in the proportion of participants with pain or other positive sensory symptoms, and frequency of adverse effects. DATA COLLECTION AND ANALYSIS Two review authors independently reviewed the results of the literature search and extracted details of trial methodology and outcome data of all potentially relevant trials. MAIN RESULTS We identified 39 studies and assessed them for possible inclusion in the review, but we excluded all of them because of insufficient quality or lack of relevance. We summarised evidence from non-randomised studies in the Discussion. AUTHORS' CONCLUSIONS Even though CIAP has been clearly described and delineated, no adequate randomised or quasi-randomised controlled clinical treatment trials have been performed. In their absence there is no proven efficacious drug therapy.
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Affiliation(s)
- Janna Warendorf
- Brain Center Rudolf Magnus, University Medical Center UtrechtDepartment of NeurologyHeidelberglaan 100UtrechtNetherlands3584 CX
| | - Alexander FJE Vrancken
- University Medical Center Utrecht, Brain Center Rudolf MagnusDepartment of NeurologyUtrechtNetherlands
| | - Ivo N van Schaik
- Academic Medical Centre, University of AmsterdamDepartment of NeurologyMeibergdreef 9PO Box 22700AmsterdamNetherlands1100 DE
| | - Richard AC Hughes
- National Hospital for Neurology and NeurosurgeryMRC Centre for Neuromuscular DiseasesPO Box 114Queen SquareLondonUKWC1N 3BG
| | - Nicolette C Notermans
- Brain Center Rudolf Magnus, University Medical Center UtrechtDepartment of NeurologyHeidelberglaan 100UtrechtNetherlands3584 CX
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Zeng L, Alongkronrusmee D, van Rijn RM. An integrated perspective on diabetic, alcoholic, and drug-induced neuropathy, etiology, and treatment in the US. J Pain Res 2017; 10:219-228. [PMID: 28176937 PMCID: PMC5268333 DOI: 10.2147/jpr.s125987] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Neuropathic pain (NeuP) is a syndrome that results from damaged nerves and/or aberrant regeneration. Common etiologies of neuropathy include chronic illnesses and medication use. Chronic disorders, such as diabetes and alcoholism, can cause neuronal injury and consequently NeuP. Certain medications with antineoplastic effects also carry an exquisitely high risk for neuropathy. These culprits are a few of many that are fueling the NeuP epidemic, which currently affects 7%-10% of the population. It has been estimated that approximately 10% and 7% of US adults carry a diagnosis of diabetes and alcohol disorder, respectively. Despite its pervasiveness, many physicians are unfamiliar with adequate treatment of NeuP, partly due to the few reviews that are available that have integrated basic science and clinical practice. In light of the recent Centers for Disease Control and Prevention guidelines that advise against the routine use of μ-opioid receptor-selective opioids for chronic pain management, such a review is timely. Here, we provide a succinct overview of the etiology and treatment options of diabetic and alcohol- and drug-induced neuropathy, three different and prevalent neuropathies fusing the combined clinical and preclinical pharmacological expertise in NeuP of the authors. We discuss the anatomy of pain and pain transmission, with special attention to key ion channels, receptors, and neurotransmitters. An understanding of pain neurophysiology will lead to a better understanding of the rationale for the effectiveness of current treatment options, and may lead to better diagnostic tools to help distinguish types of neuropathy. We close with a discussion of ongoing research efforts to develop additional treatments for NeuP.
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Affiliation(s)
- Lily Zeng
- Department of Internal Medicine, Vanderbilt University Medical Center, Nashville, TN
| | - Doungkamol Alongkronrusmee
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN, USA
| | - Richard M van Rijn
- Department of Medicinal Chemistry and Molecular Pharmacology, Purdue University, West Lafayette, IN, USA
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15
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Argov Z. Statins and the neuromuscular system: a neurologist's perspective. Eur J Neurol 2015; 22:31-6. [PMID: 25495398 DOI: 10.1111/ene.12604] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Accepted: 10/07/2014] [Indexed: 02/02/2023]
Abstract
Statins intolerance is mainly due to their side effects on the neuromuscular system (primarily muscle). It has become an important issue because of the major cardiovascular risk reduction of this class of drugs. However, the facts related to these side effects are sometimes under-recognized or controversial. A literature review of the recent developments in the field is given. The clinical definition of statin myopathy and its presentation are not suitable for the myology field. Management and prevention are not validated. More genetic risk factors need to be established. Neurologists should become more involved in statin intolerance evaluation and management.
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Affiliation(s)
- Z Argov
- Hebrew University- Hadassah School of Medicine, Ein Kerem, Jerusalem, Israel
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Dose-related neuropathic and anti-neuropathic effects of simvastatin in vincristine-induced neuropathic pain in rats. Food Chem Toxicol 2015; 80:32-40. [DOI: 10.1016/j.fct.2015.02.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Revised: 02/19/2015] [Accepted: 02/20/2015] [Indexed: 12/18/2022]
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17
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Sodha NR, Sellke FW. The effect of statins on perioperative inflammation in cardiac and thoracic surgery. J Thorac Cardiovasc Surg 2015; 149:1495-501. [DOI: 10.1016/j.jtcvs.2015.02.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2015] [Accepted: 02/04/2015] [Indexed: 12/22/2022]
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