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Jevtić II, Savić Vujović K, Srebro D, Vučković S, Ivanović MD, Kostić-Rajačić SV. Synthesis and pharmacological evaluation of novel cis and trans 3-substituted anilidopiperidines. Pharmacol Rep 2020; 72:1069-1075. [PMID: 32613543 DOI: 10.1007/s43440-020-00121-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 06/05/2020] [Accepted: 06/23/2020] [Indexed: 11/25/2022]
Abstract
BACKGROUND 4-Anilidopiperidine class of synthetic opioid analgesics, with it's representative fentanyl, are by far the most potent and clinically significant for the treatment of the severe chronic and surgical pain. However, side effects of μ-opioids are often quite serious. In order to improve the pharmacological profile of this class of opioid analgesics, a novel fentanyl analogs were designed, synthesized and evaluated in vivo for their antinociceptive activity. METHODS The title compounds were prepared using known synthetic transformations, including N-bromoacetamide mediated Hofmann rearrangement, highly selective carbamate cleavage with trimethylsilyl iodide and dehydration of carboxamide group to nitrile in the presence of SOCl2. The antinociceptive activity of the synthesized compounds was determined by tail-immersion and formalin test. RESULTS The scalable synthetic route towards novel fentanyl analogs bearing nitrogen groups in position C3 of piperidine ring is designed. In addition, Hofmann rearrangement was substantially improved for the more efficient synthesis of previously published 3-substituted fentanyl analogs. The series of ten fentanyl analogs was tested in vivo for their antinociceptive activity. The most potent compound of the series was found to be cis-4, based on the determined ED50 values in tail-immersion test. CONCLUSION Of ten compounds tested for their antinociceptive activity, compound cis-4 is characterized by high potency, rapid beginning and short duration of action and due to this might be incorporated in different pharmaceutical forms.
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Affiliation(s)
- Ivana I Jevtić
- ICTM-Department of Chemistry, University of Belgrade, Njegoševa 12, 11000, Belgrade, Serbia
| | - Katarina Savić Vujović
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, 11000, Belgrade, Serbia
| | - Dragana Srebro
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, 11000, Belgrade, Serbia
| | - Sonja Vučković
- Department of Pharmacology, Clinical Pharmacology and Toxicology, Faculty of Medicine, University of Belgrade, 11000, Belgrade, Serbia
| | - Milovan D Ivanović
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000, Belgrade, Serbia
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Gopalsamy B, Sambasevam Y, Zulazmi NA, Chia JSM, Omar Farouk AA, Sulaiman MR, Tengku Mohamad TAS, Perimal EK. Experimental Characterization of the Chronic Constriction Injury-Induced Neuropathic Pain Model in Mice. Neurochem Res 2019; 44:2123-2138. [DOI: 10.1007/s11064-019-02850-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 07/03/2019] [Accepted: 07/29/2019] [Indexed: 02/03/2023]
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Nonpharmacological Interventions in Targeting Pain-Related Brain Plasticity. Neural Plast 2017; 2017:2038573. [PMID: 28299206 PMCID: PMC5337367 DOI: 10.1155/2017/2038573] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 01/29/2017] [Indexed: 01/08/2023] Open
Abstract
Chronic pain is a highly prevalent and debilitating condition that is frequently associated with multiple comorbid psychiatric conditions and functional, biochemical, and anatomical alterations in various brain centers. Due to its widespread and diverse manifestations, chronic pain is often resistant to classical pharmacological treatment paradigms, prompting the search for alternative treatment approaches that are safe and efficacious. The current review will focus on the following themes: attentional and cognitive interventions, the role of global environmental factors, and the effects of exercise and physical rehabilitation in both chronic pain patients and preclinical pain models. The manuscript will discuss not only the analgesic efficacy of these therapies, but also their ability to reverse pain-related brain neuroplasticity. Finally, we will discuss the potential mechanisms of action for each of the interventions.
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Becker A, Geisslinger G, Murín R, Grecksch G, Höllt V, Zimmer A, Schröder H. Cannabinoid-mediated diversity of antinociceptive efficacy of parecoxib in Wistar and Sprague Dawley rats in the chronic constriction injury model of neuropathic pain. Naunyn Schmiedebergs Arch Pharmacol 2013; 386:369-82. [DOI: 10.1007/s00210-013-0839-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2012] [Accepted: 01/17/2013] [Indexed: 02/06/2023]
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Coffeenl U, Ortega-Legaspil JM, López-Muñozl FJ, Simón-Arceol K, Jaimesl O, Pellicerl F. Insular cortex lesion diminishes neuropathic and inflammatory pain-like behaviours. Eur J Pain 2012; 15:132-8. [DOI: 10.1016/j.ejpain.2010.06.007] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2010] [Revised: 05/27/2010] [Accepted: 06/06/2010] [Indexed: 10/19/2022]
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Sapunar D, Vukojević K, Kostić S, Puljak L. Attenuation of pain-related behavior evoked by injury through blockade of neuropeptide Y Y2 receptor. Pain 2011; 152:1173-1181. [PMID: 21376464 DOI: 10.1016/j.pain.2011.01.045] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2010] [Revised: 01/17/2011] [Accepted: 01/24/2011] [Indexed: 01/02/2023]
Abstract
Neuropeptide Y (NPY) has an important but still insufficiently defined role in pain modulation. We therefore examined the ability of NPY to modulate experimentally induced neuropathic pain by injecting it directly into dorsal root ganglion (DRG) immediately following spinal nerve ligation (SNL) injury. We have found that this application exacerbates pain-related behavior induced by SNL in a modality-specific fashion. When saline was injected after SNL, the expected increase in hyperalgesia responses to needle stimulation was present on the 8th postoperative day. When we injected NPY, hyperalgesic responses were increased in a manner similar to the SNL/saline group. To characterize NPY action, specific Y1 and Y2 antagonists were also delivered directly to DRG, which revealed that behavioral actions of NPY were abolished by Y2 receptor antagonist. We tested whether NPY effects were the result of its role in immunity by immunohistochemical staining for glial fibrillary acidic protein, in order to identify activation of DRG satellite cells and dorsal horn astrocytes. Exacerbation of pain-related behavior following NPY injection was accompanied by astrocyte activation in ipsilateral dorsal horn and with satellite cells activation in the DRG proximal to injury. This activation was reduced following Y2 receptor antagonist application. These findings indicate an important link between pain-related behavior and neuroimmune activation by NPY through its Y2 receptor.
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Affiliation(s)
- Damir Sapunar
- Laboratory for Pain Research, Department of Anatomy, Histology and Embryology, University of Split School of Medicine, Šoltanska 2, Split 21000, Croatia
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Dobretsov M, Backonja MM, Romanovsky D, Stimers JR. Animal Models of Diabetic Neuropathic Pain. ANIMAL MODELS OF PAIN 2011. [DOI: 10.1007/978-1-60761-880-5_9] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Rusbridge C, Heath S, Gunn-Moore DA, Knowler SP, Johnston N, McFadyen AK. Feline orofacial pain syndrome (FOPS): a retrospective study of 113 cases. J Feline Med Surg 2010; 12:498-508. [PMID: 20451434 PMCID: PMC7128958 DOI: 10.1016/j.jfms.2010.03.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/03/2010] [Indexed: 12/15/2022]
Abstract
Feline orofacial pain syndrome (FOPS) is a pain disorder of cats with behavioural signs of oral discomfort and tongue mutilation. This report describes the findings from a case series of 113 cats including 100 Burmese. FOPS is suspected to be a neuropathic pain disorder and the predominance within the Burmese cat breed suggests an inherited disorder, possibly involving central and/or ganglion processing of sensory trigeminal information. The disease is characterised by an episodic, typically unilateral, discomfort with pain-free intervals. The discomfort is triggered, in many cases, by mouth movements. The disease is often recurrent and with time may become unremitting - 12% of cases in this series were euthanased as a consequence of the condition. Sensitisation of trigeminal nerve endings as a consequence of oral disease or tooth eruption appears to be an important factor in the aetiology - 63% of cases had a history of oral lesions and at least 16% experienced their first sign of discomfort during eruption of permanent teeth. External factors can also influence the disease as FOPS events could be directly linked to a situation causing anxiety in 20% of cats. FOPS can be resistant to traditional analgesics and in some cases successful management required anti-convulsants with an analgesic effect.
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Affiliation(s)
- Clare Rusbridge
- Stone Lion Veterinary Centre, 41 High Street, Wimbledon SW19 5AU, UK.
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Sorkin LS, Yaksh TL. Behavioral models of pain states evoked by physical injury to the peripheral nerve. Neurotherapeutics 2009; 6:609-19. [PMID: 19789066 PMCID: PMC5084283 DOI: 10.1016/j.nurt.2009.07.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2009] [Accepted: 07/09/2009] [Indexed: 11/30/2022] Open
Abstract
Physical injury or compression of the root, dorsal root ganglion, or peripheral sensory axon leads to well-defined changes in biology and function. Behaviorally, humans report ongoing painful dysesthesias and aberrations in function, such that an otherwise innocuous stimulus will yield a pain report. These behavioral reports are believed to reflect the underlying changes in nerve function after injury, wherein increased spontaneous activity arises from the neuroma and dorsal root ganglion and spinal changes increase the response of spinal projection neurons. These pain states are distinct from those associated with tissue injury and pose particular problems in management. To provide for developing an understanding of the underlying mechanisms of these pain states and to promote development of therapeutic agents, preclinical models involving section, compression, and constriction of the peripheral nerve or compression of the dorsal root ganglion have been developed. These models give rise to behaviors, which parallel those observed in the human after nerve injury. The present review considers these models and their application.
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Affiliation(s)
- Linda S. Sorkin
- grid.266100.30000000121074242Department of Anesthesiology, University of California, San Diego, 9500 Gilman Dr., Mail Code 0818, 92093-0818 La Jolla, CA
| | - Tony L. Yaksh
- grid.266100.30000000121074242Department of Anesthesiology, University of California, San Diego, 9500 Gilman Dr., Mail Code 0818, 92093-0818 La Jolla, CA
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Cendán CM, Pujalte JM, Portillo-Salido E, Baeyens JM. Antinociceptive effects of haloperidol and its metabolites in the formalin test in mice. Psychopharmacology (Berl) 2005; 182:485-93. [PMID: 16075285 DOI: 10.1007/s00213-005-0127-z] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2005] [Accepted: 06/07/2005] [Indexed: 11/25/2022]
Abstract
RATIONALE Formalin-induced pain is reduced in sigma-1 (sigma1) receptor knockout mice; therefore, we hypothesized that haloperidol and its metabolites I and II, which have affinity for sigma1 receptors, may modulate formalin-induced pain. RESULTS Intraplantar administration of formalin (2.5%) to CD-1 mice produced a biphasic period of pain. Haloperidol (0.03-1 mg/kg, s.c.) and reduced haloperidol (metabolite II, 0.25-8 mg/kg, s.c.) dose-dependently inhibited both phases of formalin-induced pain. Haloperidol metabolite I (4-128 mg/kg, s.c.) also produced dose-dependent antinociception in the second phase of the formalin test, but was less potent and effective against first-phase pain. Haloperidol metabolite III (16 and 128 mg/kg) and (-)sulpiride (200 mg/kg), which have no affinity for sigma1 receptors, did not produce significant antinociception in either phase of the formalin test. The order of potency of the drugs to produce their antinociceptive effect [haloperidol>metabolite II>metabolite I>>metabolite III= (-)sulpiride=inactive] correlated with their affinity for sigma1 receptors, but not with their affinity for sigma2 or dopamine D2 receptors. Naloxone (1 mg/kg, s.c.) did not antagonize the antinociception induced by haloperidol and its metabolites. None of the antinociceptive drugs in the formalin test produced any antinociception in the tail flick test. CONCLUSION These results suggest that the antinociceptive effect of haloperidol and its metabolites in the formalin test is not due to unspecific/generalised inhibition of nociception or modulation of opioid receptors, and that it may be related, at least partially, to the ability of these drugs to interact with sigma1 receptors.
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Affiliation(s)
- Cruz M Cendán
- Department of Pharmacology and Institute of Neurosciences, School of Medicine, University of Granada, Avenida de Madrid 12, 18012, Granada, Spain
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Robinson I, Meert TF. Stability of neuropathic pain symptoms in partial sciatic nerve ligation in rats is affected by suture material. Neurosci Lett 2005; 373:125-9. [PMID: 15567566 DOI: 10.1016/j.neulet.2004.09.078] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2004] [Revised: 09/16/2004] [Accepted: 09/30/2004] [Indexed: 11/21/2022]
Abstract
Many factors affect the development of neuropathic pain behavior in animal models. In this letter, we describe the differences in the development of neuropathic pain behavior observed when the partial sciatic nerve ligation (PNL) is performed with either a synthetic silk or chromic catgut ligation. To characterize nociceptive changes over time after surgery, neutral plate, hot plate, Von Frey, pinprick, acetone spray and cold plate testing was performed. The results indicated that a chromic catgut ligature caused cold allodynia, chemical hyperreactivity, mechanical hyperalgesia and hypersensitivity that remained present for the entire 56 days post-surgical observation period. With the synthetic silk ligature, comparable functional deficits were present in the initial phase after surgery, but several of these deficits diminished over time 21-28 days post-surgery. In conclusion, performing the PNL using chromic catgut suture thread gives rise to more robust sensory deficits than when synthetic silk is used. Therefore, the material that is used for the ligature in the partial sciatic ligation model has an effect on the outcome of the observed sensory abnormalities.
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Affiliation(s)
- Ian Robinson
- Johnson & Johnson Pharmaceutical Research and Development, Turnhoutseweg 30, B-2340 Beerse, Belgium
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Robinson I, Dowdall T, Meert TF. Development of neuropathic pain is affected by bedding texture in two models of peripheral nerve injury in rats. Neurosci Lett 2004; 368:107-11. [PMID: 15342144 DOI: 10.1016/j.neulet.2004.06.078] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2004] [Revised: 06/24/2004] [Accepted: 06/25/2004] [Indexed: 10/26/2022]
Abstract
It has long been known that there are numerous genetic and environmental factors that affect the in vivo research of neuropathic pain. In this letter, we describe the impact that bedding material can have on the development of neuropathic pain behaviors in rodents. In two models of neuropathic pain, the Chronic Constriction Injury (CCI) and the partial axotomy, we demonstrated that features of the sawdust on which the animals are housed during experimentation have a clear effect on the development of mechanical hyperalgesia and chemical hypersensitivity. Rats housed on coarse sawdust presented with a much-reduced response to a pinprick and acetone test compared to counterparts housed on fine sawdust. It is therefore concluded that the development of specific stimulus modalities of neuropathic pain behavior following peripheral nerve injury can be influenced in part by environmental factors, in this case bedding texture.
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Affiliation(s)
- Ian Robinson
- Department of Drug Discovery, CNS, Pain, Alzheimers, Johnson and Johnson Pharmaceutical Research and Development, Turnhoutseweg 30, B-2340 Beerse, Belgium
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