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Li WW, Shi XY, Wei T, Guo TZ, Kingery WS, Clark JD. Alpha-7 Nicotinic Acetylcholine Receptor Activation Inhibits Trauma Induced Pronociceptive Autoimmune Responses. THE JOURNAL OF PAIN 2024; 25:104422. [PMID: 37951284 PMCID: PMC11058031 DOI: 10.1016/j.jpain.2023.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/26/2023] [Accepted: 11/06/2023] [Indexed: 11/13/2023]
Abstract
Both autonomic nervous system dysfunction and immune system activation are characteristic of chronic pain after limb injuries. Cholinergic agonists reduce immune system activation in many settings. We hypothesized, therefore, that alpha-7 nicotinic acetylcholine receptor (α7nAChR) agonist administration would reduce nociceptive and immune changes after tibia fracture and cast immobilization in mice. Fracture mice were treated with either vehicle, a low (.2 mg/kg) dose, or a high (1 mg/kg) dose of the selective α7nAChR agonist PNU-282987 for 4 weeks. We assessed hindpaw allodynia and weight bearing as behavioral outcomes. The assessment of adaptive immune responses included regional lymph node hypertrophy, germinal center formation, α7nAChR expression, and IgM deposition. Assessment of innate immune system activation focused on IL-1β and IL-6 generation in fractured hindlimb skin. We observed that mechanical allodynia and unweighting were alleviated by PNU-282987 treatment. Drug treatment also reduced popliteal lymph node hypertrophy and germinal center formation. Immunohistochemical studies localized α7nAChR to germinal center B lymphocytes, and this expression increased after fracture. Analysis of fracture limb hindpaw skin demonstrated increased inflammatory mediator (IL-1β and IL-6) levels and IgM deposition, which were abrogated by PNU-282987. Serum analyses demonstrated fracture-induced IgM reactivity against keratin 16, histone 3.2, GFAP, and NMDAR-2B. Administration of PNU-282987 reduced the enhancement of IgM reactivity. Collectively, these data suggest that the α7nAChR is involved in regulating posttraumatic innate and adaptive immune responses and the associated nociceptive sensitization. PERSPECTIVE: These studies evaluate the effects of a selective α7nAChR agonist in a tibial fracture/cast immobilization model of limb pain. Administration of the drug reduced nociceptive and functional changes 4 weeks after injury. These novel findings suggest that well-tolerated α7nAChR agonists may be viable analgesics for chronic pain after limb injuries.
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Affiliation(s)
- Wen-wu Li
- Department of Anesthesia, Perioperative and Pain Medicine, Stanford University, School of Medicine, Stanford, CA, 94305, USA
| | - Xiao-you Shi
- Department of Anesthesia, Perioperative and Pain Medicine, Stanford University, School of Medicine, Stanford, CA, 94305, USA
| | - Tzuping Wei
- Palo Alto Veterans Institute for Research, 3801 Miranda Ave, Palo Alto, CA, 94304, USA
| | - Tian-Zhi Guo
- Palo Alto Veterans Institute for Research, 3801 Miranda Ave, Palo Alto, CA, 94304, USA
| | - Wade S Kingery
- Palo Alto Veterans Institute for Research, 3801 Miranda Ave, Palo Alto, CA, 94304, USA
| | - J. David Clark
- Department of Anesthesia, Perioperative and Pain Medicine, Stanford University, School of Medicine, Stanford, CA, 94305, USA
- Anesthesiology Service Veterans Affairs Palo Alto Health Care System, 3801 Miranda Ave, Palo Alto, CA, 94304, USA
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Luo Y, Yang Y, Schneider C, Balle T. The Anti-Nociceptive Effects of Nicotine in Humans: A Systematic Review and Meta-Analysis. Pharmaceuticals (Basel) 2023; 16:1665. [PMID: 38139792 PMCID: PMC10747127 DOI: 10.3390/ph16121665] [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: 08/18/2023] [Revised: 10/23/2023] [Accepted: 11/24/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Pain can have a serious impact on a patient's physical, mental, and social health, often causing their quality of life to decline. Various nicotine dosage forms, such as nicotine patches and nasal spray, have been developed and used as analgesics in clinical settings. However, there is controversy over the anti-nociceptive effects of nicotine among different clinical trials. The purpose of this meta-analysis is to quantify the analgesic effect of nicotine patches, nicotine nasal spray, and tobacco smoking on pain in humans. METHODS Relevant articles published in English prior to July 2023 were identified using the PubMed, Cochrane Library, and Embase online databases in accordance with PRISMA (2020) guidelines. Two reviewers independently screened and selected studies, extracted data, and assessed the quality of the included studies using version 2 of the Cochrane risk-of-bias tool for randomized trials (RoB 2). RStudio was used for data synthesis, heterogeneity assessment, sensitivity analysis, publication bias assessment, trim-and-fill analyses, and generating forest plots. RESULTS Sixteen eligible articles, including k = 5 studies of pain tolerance (n = 210), k = 5 studies of pain threshold (n = 210), and k = 12 studies of pain scores (N = 1249), were included for meta-analysis. Meta-analytic integration for pain threshold (Hedges' g = 0.28, 95% CI = 0-0.55, Z = 1.99, p = 0.05) and pain tolerance (Hedges' g = 0.32, 95% CI = 0.05-0.59, Z = 2.30, p = 0.02) revealed that nicotine administered via tobacco smoke generated acute analgesic effects to thermal stimuli. Meta-analytic integration for pain scores revealed that nicotine had a weak anti-nociceptive effect on postoperative pain of -0.37 (95% CI = -0.77 to 0.03, Z = -1.80) but with no statistical significance (p = 0.07). In addition, a limited number of included studies revealed that long-term smoking produced hyperalgesia that may be characterized as small to medium in magnitude (Hedges' g = 0.37, 95% CI = 0.29-0.64, Z = 5.33, p < 0.01). CONCLUSION These results help to clarify the mixed outcomes of trials and may ultimately inform the treatment of pain. We observed that acute nicotine administration prolonged the laboratory-induced pain threshold and tolerance time and may mildly relieve postoperative pain. In addition, long-term tobacco smoking may have a nociceptive effect on different types of chronic pain. More research is needed to determine the anti-nociceptive effects of nicotine in humans, and to understand the optimal timing, dose, and method of delivery of nicotine.
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Affiliation(s)
- Yujia Luo
- Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia; (Y.L.)
- Brain and Mind Centre, The University of Sydney, 94 Mallet Street, Camperdown, NSW 2050, Australia
| | - Yating Yang
- Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia; (Y.L.)
- Brain and Mind Centre, The University of Sydney, 94 Mallet Street, Camperdown, NSW 2050, Australia
| | - Carl Schneider
- Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia; (Y.L.)
| | - Thomas Balle
- Sydney Pharmacy School, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW 2006, Australia; (Y.L.)
- Brain and Mind Centre, The University of Sydney, 94 Mallet Street, Camperdown, NSW 2050, Australia
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da Silva Barbirato D, de Melo Vasconcelos AF, Dantas de Moraes SL, Pellizzer EP, do Egito Vasconcelos BC. Analgesic potential of transdermal nicotine patch in surgery: a systematic review and meta-analysis of randomised placebo-controlled trials. Eur J Clin Pharmacol 2023; 79:589-607. [PMID: 36947193 DOI: 10.1007/s00228-023-03475-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 03/09/2023] [Indexed: 03/23/2023]
Abstract
OBJECTIVES We aimed (1) to systematically review the efficacy of transdermal nicotine patches (NP) for postoperative analgesia, (2) to establish the current quality of evidence and assist clinical decision-making on the subject, and (3) to identify methodological limitations and the need for more well-designed studies. MATERIALS AND METHODS We searched six electronic databases, protocol records, and other sources without date or language restriction until March 2022. To develop the search strategy, we formulated a clinical question by using the PICOD method. Eligibility criteria included randomised placebo-controlled trials on the analgesic potential of NP for surgical procedures. This systematic review followed the PRISMA 2020 statement, and we registered the protocol in PROSPERO (#CRD42020205956). RESULTS We included 10 randomised placebo-controlled trials (535 patients). The NP administered before induction of anaesthesia and at beginning of surgery reduced the pain immediately after surgery (-0.38; 95% confidence interval [CI]: -0.73 to -0.02), and 6 h (-0.34; 95% CI: -0.68 to -0.01), 12 h (-0.43; 95% CI: -0.71 to -0.15) and 24 h (-0.35; 95%CI: -0.59 to -0.10) after surgery, compared with the placebo patch (PP) group. Sensitivity testing suggests that opioid use could underestimate NP analgesia. Late demand for the first analgesic and consumption of rescue analgesics tended to be lower in the NP group. CONCLUSIONS The current findings suggest, with low certainty of evidence, the analgesic potential of NP for surgical procedures. CLINICAL RELEVANCE Perioperative use of NP significantly improved postoperative pain, even when opioids were administered or prescribed. Nevertheless, the clinical relevance should be interpreted with caution, owing to the effect sizes of the summary measures and methodological issues. The analgesic potential of NP as an adjuvant therapy to regulate pain and acute inflammation may offer certain clinical advantages, thus warranting further investigation.
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Affiliation(s)
- Davi da Silva Barbirato
- Division of Oral and Maxillofacial Surgery, Dental School, University of Pernambuco (UPE), Arnóbio Marques St., 310, Recife, PE, 50100-130, Brazil
| | | | | | - Eduardo Piza Pellizzer
- Department of Dental Materials and Prosthodontics, São Paulo State University (UNESP), Araçatuba, Brazil
| | - Belmiro Cavalcanti do Egito Vasconcelos
- Division of Oral and Maxillofacial Surgery, Dental School, University of Pernambuco (UPE), Arnóbio Marques St., 310, Recife, PE, 50100-130, Brazil.
- Oral and Maxillofacial Surgery at Hospital da Restauração, Recife, PE, Brazil.
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Seyedsadeghi M, Arabzadeh A, Entezariasl M, Shahbazzadegan B, Dindar S, Isazadehfar K. The Effect of Nicotine Patch on Reducing Nausea, Vomiting, and Pain Following Laparoscopic Cholecystectomy: A Randomized Clinical Trial. ADDICTION & HEALTH 2023; 15:39-44. [PMID: 37560080 PMCID: PMC10408744 DOI: 10.34172/ahj.2023.1364] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 09/12/2022] [Indexed: 08/11/2023]
Abstract
BACKGROUND The effect of nicotine on nausea, vomiting, and postoperative pain has been investigated in studies on animals and humans. This study aimed to evaluate the effect of nicotine patch on decreasing nausea, vomiting, and pain in laparoscopic cholecystectomy. METHODS The study sample consisted of 100 non-smoking patients undergoing laparoscopic cholecystectomy under general anesthesia in a triple-blind clinical trial. One hour after the start of surgery, patients were randomly assigned to receive 17.5-mg nicotine or placebo patches. The patches located on the right arm were left for 24 hours. The visual analogue scale (VAS) for pain and N/V score for the severity of nausea and vomiting were measured at intervals of 0, 6, 12, and 24 hours. FINDINGS The results showed there was no statistically significant difference between the groups in terms of pain intensity as well as nausea and vomiting at different time periods after surgery (P>0.05). A total of 36 patients in the nicotine group and 24 patients in the placebo group received meperidine. There was also no statistically significant difference between the two groups in terms of analgesics (P=0.096) and antiemetics (P=0.1). Moreover, the frequency of severe nausea and vomiting during the study in the nicotine group was higher than in the placebo group (4 vs. 1) but this difference was not statistically significant (P>0.05). CONCLUSION Receiving a 17.5-mg nicotine patch had a similar effect to receiving placebo in controlling postoperative pain, nausea, and vomiting in non-smokers. Nicotine use had no effect on reducing analgesia.
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Affiliation(s)
- Mirsalim Seyedsadeghi
- Department of Surgery, School of Medicine, Ardabil University of Medical Sciences, Ardebil, Iran
| | - Amirahmad Arabzadeh
- Department of Surgery, School of Medicine, Ardabil University of Medical Sciences, Ardebil, Iran
| | - Masood Entezariasl
- Department of Anesthesiology, School of Medicine, Ardabil University of Medical Sciences, Ardebil, Iran
| | - Bita Shahbazzadegan
- Social Determinants of Health Research Center, Department of Social Medicine, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Sajjad Dindar
- Department of Orthopedics, School of Medicine, Ardabil University of Medical Sciences, Ardebil, Iran
| | - Khatereh Isazadehfar
- Social Determinants of Health Research Center, Department of Social Medicine, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
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Sahbaie P, Li WW, Guo TZ, Shi XY, Kingery WS, Clark JD. Autonomic Regulation of Nociceptive and Immunologic Changes in a Mouse Model of Complex Regional Pain Syndrome. THE JOURNAL OF PAIN 2022; 23:472-486. [PMID: 34699985 PMCID: PMC8920776 DOI: 10.1016/j.jpain.2021.09.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 09/27/2021] [Indexed: 01/16/2023]
Abstract
Chronic pain frequently develops after limb injuries, and its pathogenesis is poorly understood. We explored the hypothesis that the autonomic nervous system regulates adaptive immune system activation and nociceptive sensitization in a mouse model of chronic post-traumatic pain with features of complex regional pain syndrome (CRPS). In studies sympathetic signaling was reduced using 6-hydroxydopamine (6-OHDA) or lofexidine, while parasympathetic signaling was augmented by nicotine administration. Hindpaw allodynia, unweighting, skin temperature, and edema were measured at 3 and 7 weeks after fracture. Hypertrophy of regional lymph nodes and IgM deposition in the skin of injured limbs were followed as indices of adaptive immune system activation. Passive transfer of serum from fracture mice to recipient B cell deficient (muMT) mice was used to assess the formation of pain-related autoantibodies. We observed that 6-OHDA or lofexidine reduced fracture-induced hindpaw nociceptive sensitization and unweighting. Nicotine had similar effects. These treatments also prevented IgM deposition, hypertrophy of popliteal lymph nodes, and the development of pronociceptive serum transfer effects. We conclude that inhibiting sympathetic or augmenting parasympathetic signaling inhibits pro-nociceptive immunological changes accompanying limb fracture. These translational results support the use of similar approaches in trials potentially alleviating persistent post-traumatic pain and, possibly, CRPS. PERSPECTIVE: Selective treatments aimed at autonomic nervous system modulation reduce fracture-related nociceptive and functional sequelae. The same treatment strategies limit pain-supporting immune system activation and the production of pro-nociceptive antibodies. Thus, the therapeutic regulation of autonomic activity after limb injury may reduce the incidence of chronic pain.
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Affiliation(s)
- Peyman Sahbaie
- Anesthesiology Service, Veterans Affairs Palo Alto Health Care System, Palo Alto, California; Department of Anesthesia, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, California.
| | - Wen-Wu Li
- Anesthesiology Service; Veterans Affairs Palo Alto Health Care System; 3801 Miranda Ave, Palo Alto, CA 94304, U.S.A,Department of Anesthesia, Perioperative and Pain Medicine; Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Tian-Zhi Guo
- Anesthesiology Service; Veterans Affairs Palo Alto Health Care System; 3801 Miranda Ave, Palo Alto, CA 94304, U.S.A,Palo Alto Veterans Institute for Research, 3801 Miranda Ave, Palo Alto, CA 94304, USA
| | - Xiao-you Shi
- Anesthesiology Service; Veterans Affairs Palo Alto Health Care System; 3801 Miranda Ave, Palo Alto, CA 94304, U.S.A,Department of Anesthesia, Perioperative and Pain Medicine; Stanford University School of Medicine, Stanford, CA 94305, USA
| | - Wade S. Kingery
- Palo Alto Veterans Institute for Research, 3801 Miranda Ave, Palo Alto, CA 94304, USA
| | - J David Clark
- Anesthesiology Service; Veterans Affairs Palo Alto Health Care System; 3801 Miranda Ave, Palo Alto, CA 94304, U.S.A,Department of Anesthesia, Perioperative and Pain Medicine; Stanford University School of Medicine, Stanford, CA 94305, USA
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Geck MS, Lecca D, Marchese G, Casu L, Leonti M. Ethnomedicine and neuropsychopharmacology in Mesoamerica. JOURNAL OF ETHNOPHARMACOLOGY 2021; 278:114243. [PMID: 34129899 DOI: 10.1016/j.jep.2021.114243] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/27/2021] [Accepted: 05/24/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The burden of disease caused by mental and neurological disorders is increasing globally, to a disproportionate degree in Latin America. In contrast to the many psychoactive plants with a use history in Mesoamerican cultures, the translation to the wider population of knowledge around numerous botanicals used contemporarily by indigenous Mesoamerican societies to treat psychological and neurological disorders did not receive the same attention. MATERIAL AND METHODS We used the previously published Mesoamerican Medicinal Plant Database to extract species and associated botanical drugs used as treatments for illnesses associated with the nervous system by Mesoamerican cultures in Belize, Guatemala, and Mexico. With the critical use of published pharmacological literature, the cross-culturally most salient genera are systematically reviewed. RESULTS From 2188 plant taxa contained in the database 1324 are used as treatments for illnesses associated with the nervous system. The ethnomedical data was critically confronted with the available biomedical literature for the 58 cross-culturally most salient genera. For a considerable proportion of the frequently used taxa, preclinical data are available, mostly validating ethnomedicinal uses. CONCLUSION This quantitative approach facilitates the prioritization of taxa for future pre-clinical, clinical and treatment outcome studies and gives patients, practitioners, and legislators a fundamental framework of evidence, on which to base decisions regarding phytomedicines.
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Affiliation(s)
- Matthias S Geck
- Department of Biomedical Sciences, University of Cagliari, Cittadella Universitaria, 09042, Monserrato, CA, Italy; Biovision - Foundation for Ecological Development, Heinrichstrasse 147, 8005, Zurich, Switzerland
| | - Daniele Lecca
- Department of Biomedical Sciences, University of Cagliari, Cittadella Universitaria, 09042, Monserrato, CA, Italy
| | - Giorgio Marchese
- Institute of Translational Pharmacology UOS of Cagliari National Research Council of Italy, Pula, Cagliari, Italy
| | - Laura Casu
- Department of Life and Environmental Sciences, University of Cagliari, Cittadella Universitaria, 09042, Monserrato, CA, Italy
| | - Marco Leonti
- Department of Biomedical Sciences, University of Cagliari, Cittadella Universitaria, 09042, Monserrato, CA, Italy.
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Effectiveness of nicotine patch for the control of pain, oedema, and trismus following third molar surgery: a randomized clinical trial. Int J Oral Maxillofac Surg 2020; 49:1508-1517. [DOI: 10.1016/j.ijom.2019.08.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 08/14/2019] [Accepted: 08/22/2019] [Indexed: 01/17/2023]
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Comparative study between transdermal nicotine and melatonin patches on postoperative pain relief after laparoscopic cholecystectomy, a double-blind, placebo-controlled trial. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1016/j.egja.2016.05.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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MARTINS FILHO EUCLIDESDIAS, VASCONCELOS CÉSARFREIREDEMELO, OLIVEIRA FERNANDODESANTACRUZ, PEREIRA ADRIANODAFONSECA, FERRAZ ÁLVAROANTÔNIOBANDEIRA. Evaluation of nicotine patch in pain control of patients undergoing laparoscopic cholecystectomy. Rev Col Bras Cir 2018; 45:e1756. [DOI: 10.1590/0100-6991e-20181756] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Accepted: 03/22/2018] [Indexed: 12/14/2022] Open
Abstract
ABSTRACT Objective: to analyze the effects of nicotine patch on pain control, occurrence of nausea and its hemodynamic repercussions in laparoscopic cholecystectomy procedures. Methods: we conducted an analytical, prospective, randomized, triple-blinded, clinical study between January and July 2017. The sample consisted of 17 patients who underwent laparoscopic cholecystectomy for the treatment of cholelithiasis. Nine patients used nicotine patch, and eight, placebo patch. The studied variables were pain, nausea, patient satisfaction, blood pressure, heart rate, oximetry and morphine rescue. Results: taking into account the pain and nausea parameters, there was no statistically significant difference between the groups (p>0.05). Also, the evaluation of rescue medication, both opioids and prokinetics, did not show any significant statistical difference between the groups. Among the hemodynamic parameters, there was only one statistically significant difference in the analysis of oxygen saturation and systolic blood pressure (SBP) six hours after surgery: the mean oxygen saturation was higher in the Test group (97.89 x 95.88) and the mean SBP was higher in the Control group (123.89 x 110.0). Conclusion: although pain levels were lower for nicotine within 24 hours, the action of nicotine and the need for rescue opioids in pain control were not statistically significant between the groups and at the time intervals studied. There was no clinical repercussion in the hemodynamic parameters.
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Smoking May Increase Postoperative Opioid Consumption in Patients Who Underwent Distal Gastrectomy With Gastroduodenostomy for Early Stomach Cancer. Clin J Pain 2017; 33:905-911. [DOI: 10.1097/ajp.0000000000000472] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Jareczek FJ, White SR, Hammond DL. Plasticity in Brainstem Mechanisms of Pain Modulation by Nicotinic Acetylcholine Receptors in the Rat. eNeuro 2017; 4:ENEURO.0364-16.2017. [PMID: 28197544 PMCID: PMC5286660 DOI: 10.1523/eneuro.0364-16.2017] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 01/10/2017] [Accepted: 01/12/2017] [Indexed: 01/03/2023] Open
Abstract
Individuals with chronic pain may be driven to smoke more because the analgesic efficacy of nicotine diminishes. To determine whether persistent pain diminishes the actions of a nicotinic acetylcholine receptor (nAChR) agonist in pain modulatory pathways, we examined the effects of epibatidine in the rostral ventromedial medulla (RVM) of rats with and without inflammatory injury induced by intraplantar injection of complete Freund's adjuvant (CFA). In uninjured rats, epibatidine produced a dose-dependent antinociception that was completely blocked by dihydro-β-erythroidine (DHβE; α4β2 antagonist) and partially blocked by methyllycaconitine (MLA; α7 antagonist). Epibatidine reversed heat hyperalgesia when microinjected in the RVM 4 h, 4 d, or 2 weeks after CFA treatment. Although DHβE completely blocked epibatidine's antihyperalgesic effect at 4 h, at 2 weeks it elicited only partial antagonism. Methyllycaconitine was ineffective at both time points. Epibatidine's antinociceptive efficacy in the uninjured hind paw progressively declined, and it was without effect 2 weeks after CFA. Moreover, as early as 4 h after CFA, the antinociceptive effect of epibatidine was no longer antagonized by DHβE. Neither antagonist alone altered paw withdrawal latency in uninjured or CFA-treated rats, suggesting that neither α4β2 nor α7 nAChRs are tonically active in the RVM. The Bmax and Kd of α4β2 nAChRs in the RVM were unchanged after CFA treatment. These observations provide the first evidence of pharmacological plasticity of the actions of α4β2 nAChR agonists in a critical brainstem pain modulatory pathway and may in part explain why people with chronic pain smoke more than the general population.
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Affiliation(s)
- Francis J. Jareczek
- Medical Scientist Training Program, University of Iowa, Iowa City, IA 52242
- Interdisciplinary Graduate Program in Neuroscience, University of Iowa, Iowa City, IA 52242
| | | | - Donna L. Hammond
- Interdisciplinary Graduate Program in Neuroscience, University of Iowa, Iowa City, IA 52242
- Department of Anesthesia, University of Iowa, Iowa City, IA 52242
- Department of Pharmacology, University of Iowa, Iowa City, IA 52242
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Hammann F, Kummer O, Guercioni S, Imanidis G, Drewe J. Time controlled pulsatile transdermal delivery of nicotine: A phase I feasibility trial in male smokers. J Control Release 2016; 232:248-54. [PMID: 27090163 DOI: 10.1016/j.jconrel.2016.04.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 04/08/2016] [Accepted: 04/11/2016] [Indexed: 11/16/2022]
Abstract
Nicotine substitution is a mainstay component in smoking cessation schemes. Current products including patches are poorly effective mainly because they do not give smokers the same pharmacokinetic profile of nicotine as cigarette consumption. This work evaluates a new computer operated delivery system for time controlled pulsatile transdermal administration of nicotine in a phase I clinical trial with twelve heavy smoking male volunteers. The device was affixed to the ventral side of the leading lower arm of the subjects and was programmed to deliver two pulses of drug within 16h with three delivery rates in a consecutive dose escalation study. Tolerability of the three increasing doses of nicotine was established. Plasma concentration of nicotine exhibited two peaks and one trough and reached therapeutically effective levels that behaved linearly with the drug load concentration of the device. In vivo input rate, delivered amount and elimination kinetics were deduced by pharmacokinetic modeling to analyze device performance. Timing, dose and duration of delivery were controlled by system operation parameters. Hence, feasibility of controlled pulsatile delivery of nicotine at predetermined intervals was demonstrated. After additional optimization, preprogrammed or on demand administration to meet individualized and circadian replacement needs should improve smoking cessation efficacy.
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Affiliation(s)
- Felix Hammann
- Department of Clinical Pharmacology and Toxicology, University Hospital Basel, University of Basel, Petersgraben 4, 4031 Basel, Switzerland
| | - Oliver Kummer
- Department of Clinical Pharmacology and Toxicology, University Hospital Basel, University of Basel, Petersgraben 4, 4031 Basel, Switzerland
| | - Stefania Guercioni
- Department of Clinical Pharmacology and Toxicology, University Hospital Basel, University of Basel, Petersgraben 4, 4031 Basel, Switzerland
| | - Georgios Imanidis
- School of Life Sciences, Institute of Pharma Technology, University of Applied Sciences Northwestern Switzerland, Gründenstrasse 40, 4132 Muttenz/Basel, Switzerland; Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland.
| | - Juergen Drewe
- Department of Clinical Pharmacology and Toxicology, University Hospital Basel, University of Basel, Petersgraben 4, 4031 Basel, Switzerland
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Setälä P, Kalliomäki ML, Järvelä K, Huhtala H, Sisto T, Puolakka P. Postoperative hyperalgesia does not predict persistent post-sternotomy pain; observational study based on clinical examination. Acta Anaesthesiol Scand 2016; 60:520-8. [PMID: 26659097 DOI: 10.1111/aas.12659] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2015] [Revised: 08/15/2015] [Accepted: 10/08/2015] [Indexed: 11/29/2022]
Abstract
BACKGROUND Persistent post-sternotomy pain is a common problem, but the risk of developing it varies among patients. We sought to find out whether the risk of persistent post-sternotomy pain could be predicted by measuring the area of acute sensory dysfunction around the sternotomy wound. The secondary aim was to determine risk factors for persistent post-sternotomy pain. PATIENTS AND METHODS Hundred patients who were scheduled to undergo elective coronary artery bypass surgery were recruited to the study. Patients were excluded if they had undergone previous cardiac surgery or if they lacked co-operation. Preoperative pain scores were determined and the patients filled in questionnaires about depression, anxiety, and pain. The area of sensory dysfunction around the sternotomy wound was assessed by pin prick on postoperative day 4. The presence of persistent post-sternotomy pain was determined at a follow-up evaluation at 4-6 months after surgery. RESULTS The sizes of the area of hyperalgesia or overall sensory dysfunction were not associated with persistent post-sternotomy pain. Independent risk factors for persistent post-sternotomy pain were found to be smoking and high pain score on postoperative day 1. The prevalence of persistent post-sternotomy pain in our study population was 38% analyzed by only the questionnaire and 15% according to the clinical examination. CONCLUSION Measuring the area of hyperalgesia in the acute phase does not give any additional information on the risk of developing a persistent post-sternotomy pain. We do thus not recommend measuring the area in this particular group of patients. Evaluation of pain by only a questionnaire risks to overestimate the presence of persistent post-sternotomy pain as compared to clinical examination.
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Affiliation(s)
- P. Setälä
- Department of Anaesthesia; Tampere University Hospital; Tampere Finland
| | - M.-L. Kalliomäki
- Department of Anaesthesia; Tampere University Hospital; Tampere Finland
| | - K. Järvelä
- Heart Center; Tampere University Hospital; Tampere Finland
| | - H. Huhtala
- School of Health Sciences; University of Tampere; Tampere Finland
| | - T. Sisto
- Heart Center; Tampere University Hospital; Tampere Finland
| | - P. Puolakka
- Department of Anaesthesia; Tampere University Hospital; Tampere Finland
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Matthews AM, Fu R, Dana T, Chou R. Intranasal or transdermal nicotine for the treatment of postoperative pain. Cochrane Database Syst Rev 2016; 2016:CD009634. [PMID: 26756459 PMCID: PMC8729826 DOI: 10.1002/14651858.cd009634.pub2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Acute pain frequently occurs after surgical procedures. Nicotine has been explored as an adjunctive medication for management of postoperative pain. OBJECTIVES To assess the effect of transdermal or intranasal nicotine administration on postoperative pain, opioid analgesic use, and opioid-related adverse events. SEARCH METHODS We searched MEDLINE (1966 to 20 March 2014), the Cochrane Central Register of Controlled Trials (CENTRAL; 2014, Issue 3), EMBASE (1980 to 20 March 2014), and also databases of ongoing trials (www.controlled-trials.com/ and http://clinicaltrials.gov/). We re-ran the search on 28 April 2015. We will assess the one study of interest when we update the review. SELECTION CRITERIA We included randomized, placebo-controlled clinical trials that evaluated the effects of perioperative (pre-, intra-, or postoperative) administration of nicotine on postoperative pain, opioid use, and opioid-related adverse events. We excluded all other studies. DATA COLLECTION AND ANALYSIS Two authors independently screened all titles and abstracts for eligibility and documented reasons for exclusion. In case of disagreement, a third author decided on the inclusion or exclusion of a trial report. When additional information was needed in order to decide if a trial should be included, one of the authors contacted the corresponding author of the trial in question. MAIN RESULTS Nine trials (666 participants) evaluated nicotine for postoperative pain. Nicotine may reduce postoperative pain scores at 24 hours by a small amount compared with placebo (eight trials, mean difference -0.88 on a 0 to 10 scale, 95% confidence interval (CI) -1.58 to -0.18; low quality evidence). The effect on pain at one hour and 12 hours postoperatively was less certain (very low quality evidence). Statistical heterogeneity was substantial and not adequately explained by stratification of trials according to type of surgical procedure, smoking status, mode of nicotine administration, timing of administration, or assessed risk of bias. Excluding one trial at high risk of bias resulted in similar findings. The effect of nicotine on postoperative opioid use was uncertain due to small number of participants in the studies. Nicotine probably increases the risk of postoperative nausea (seven trials, RR 1.24, 95% CI 1.03 to 1.50; moderate quality evidence). Three trials assessed sedation but the effect is very uncertain due to the very low quality of evidence. We found no evidence that nicotine increased the risk of vomiting (seven studies, risk difference (RD) 0.03, 95% CI -0.04 to 0.09; low quality evidence). The results from one single small trial were insufficient to establish whether nicotine led to an earlier hospital discharge (very low quality evidence). AUTHORS' CONCLUSIONS Based on evidence of generally low quality, nicotine may reduce postoperative pain at 24 hours compared with placebo, but the effects were relatively small (less than 1 point on a 10 point pain scale) and there was substantial heterogeneity in the results of our analyses. Nicotine does not appear to reduce postoperative use of opioids or opioid-related adverse events but probably increases the risk of nausea. More research is needed to determine the effectiveness of nicotine for postoperative pain and to understand the optimal timing, dose, and method of delivery of nicotine.
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Affiliation(s)
- Annette M Matthews
- Portland VA Medical CenterDepartment of Behavioral Health and Neurosciences3710 SW US Veterans Hospital RoadPortlandOregonUSA97207
- Oregon Health & Science UniversityDepartment of PsychiatryPortlandOregonUSA
- Oregon Health & Science UniversityDepartment of Medical Informatics & Clinical EpidemiologyPortlandOregonUSA
| | - Rongwei Fu
- Oregon Health & Science UniversityDepartments of Public Health and Preventive Medicine and Emergency Medicine3181 SW Sam Jackson Park Rd, Mail Code: #CB669PortlandOregonUSA97239
| | - Tracy Dana
- Oregon Health & Science UniversityDepartment of Medical Informatics & Clinical EpidemiologyPortlandOregonUSA
| | - Roger Chou
- Oregon Health & Science UniversityDepartment of Medical Informatics & Clinical EpidemiologyPortlandOregonUSA
- Oregon Health & Science UniversityDepartment of Internal MedicinePortlandOregonUSA
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Intranasal Nicotine Increases Postoperative Nausea and is Ineffective in Reducing Pain Following Laparoscopic Bariatric Surgery in Tobacco-Naïve Females: A Randomized, Double Blind Trial. Obes Surg 2014; 25:506-13. [DOI: 10.1007/s11695-014-1431-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Wu Z, Boersema GSA, Jeekel J, Lange JF. Nicotine gum chewing: a novel strategy to shorten duration of postoperative ileus via vagus nerve activation. Med Hypotheses 2014; 83:352-4. [PMID: 24998667 DOI: 10.1016/j.mehy.2014.06.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Revised: 05/12/2014] [Accepted: 06/09/2014] [Indexed: 11/19/2022]
Abstract
Postoperative ileus (POI) is a transit cessation of bowel motility after surgery. Substantial evidences suggest that gum chewing accelerate the recovery of bowel motility after surgery. Perioperative nicotine administration reduces postoperative opioid use and prevents postoperative nausea and vomiting. Nicotine gum chewing combines stimulation of the cephalic-vagal reflex by gum chewing, and activation of the cholinergic anti-inflammatory pathway by nicotine administration. We therefore hypothesized that nicotine gum chewing reduces POI and improves patient outcomes such as shortening the length of hospitalization as well as saving medical costs. As nicotine gum is commercially available, inexpensive, and has been in use for many years without any severe side effects, it may have a wide clinical application in POI prevention.
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Affiliation(s)
- Z Wu
- Department of Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands.
| | - G S A Boersema
- Department of Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - J Jeekel
- Department of Neuroscience, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - J F Lange
- Department of Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands
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Di Cesare Mannelli L, Zanardelli M, Ghelardini C. Nicotine is a pain reliever in trauma- and chemotherapy-induced neuropathy models. Eur J Pharmacol 2013; 711:87-94. [DOI: 10.1016/j.ejphar.2013.04.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2012] [Revised: 04/15/2013] [Accepted: 04/18/2013] [Indexed: 01/03/2023]
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Nirogi R, Goura V, Abraham R, Jayarajan P. α4β2* neuronal nicotinic receptor ligands (agonist, partial agonist and positive allosteric modulators) as therapeutic prospects for pain. Eur J Pharmacol 2013; 712:22-9. [PMID: 23660369 DOI: 10.1016/j.ejphar.2013.04.021] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Revised: 04/15/2013] [Accepted: 04/18/2013] [Indexed: 01/31/2023]
Abstract
α4β2* neuronal nicotinic acetylcholine receptor are ligand-gated ion channels and widely expressed throughout the central and peripheral nervous system. α4β2* neuronal nicotinic acetylcholine receptor play crucial role in pain signaling via modulation of multiple neurotransmitters like acetylcholine, dopamine, γ-amino butyric acid (GABA) and norepinephrine. Both spinal and supraspinal pathways are involved in the mechanisms by which α4β2* neuronal nicotinic acetylcholine receptor ligands modulate the neuropathic and inflammatory pain. Selective α4β2* neuronal nicotinic acetylcholine receptor ligands are being developed for the treatment of neuropathic and inflammatory pain as they show considerable efficacy in a wide range of preclinical pain models. Agonists/partial agonists of α4β2* neuronal nicotinic acetylcholine receptor show efficacy in animal models of pain and their anti-nociceptive properties are blocked by nicotinic antagonists. Positive allosteric modulators are being developed with the aim to increase the potency or therapeutic window of agonists/partial agonists. Accumulating evidences suggest that anti-nociceptive effects of nicotinic acetylcholine receptor ligands may not be mediated solely by α4β2* neuronal nicotinic acetylcholine receptor. We have also reviewed the stage of clinical development of various α4β2* neuronal nicotinic acetylcholine receptor ligands.
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Affiliation(s)
- Ramakrishna Nirogi
- In-Vivo Pharmacology, Discovery Research, Suven Life Sciences Ltd., Serene Chambers, Road No. 5, Avenue-7, Banjara Hills, Hyderabad 500034, India.
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Sidhu N, Davies S, Nadarajah A, Rivera J, Whittington R, Mercier RJ, Virag L, Wang S, Flood P. Oral choline supplementation for postoperative pain. Br J Anaesth 2013; 111:249-55. [PMID: 23568851 DOI: 10.1093/bja/aet031] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Activation of nicotinic receptors with nicotine has been shown to reduce post-surgical pain in clinical and preclinical studies. Choline is a selective agonist at α7-type nicotinic receptors that does not have addictive or sympathetic activating properties. It is anti-nociceptive in animal studies. We conducted a double-blind randomized trial of oral choline supplementation with lecithin to aid in the treatment of pain after gynaecological surgery. METHODS Sixty women having open gynaecological surgery were randomly assigned to receive 20 g of lecithin before surgery or placebo. Plasma choline concentration and tumour necrosis factor (TNF) were measured. Pain report was the primary outcome measure. RESULTS We achieved a small but statistically significant increase in choline after surgery with oral supplementation. Plasma TNF was not decreased and pain report was not different between groups at rest or with movement. There were no adverse effects of treatment. CONCLUSIONS Oral supplementation with lecithin during the perioperative period resulted in very slow absorption and thus only a small increase in plasma choline was achieved. This concentration was inadequate to reduce TNF as has been shown in other studies. The absence of an anti-inflammatory effect was likely related to our failure to demonstrate efficacy in pain reduction.
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Affiliation(s)
- N Sidhu
- University of California, San Francisco, San Francisco, CA, USA
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21
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Effects of Nicotine on Spinal Cord Injury Pain Vary Among Subtypes of Pain and Smoking Status: Results From a Randomized, Controlled Experiment. THE JOURNAL OF PAIN 2012; 13:1206-14. [DOI: 10.1016/j.jpain.2012.09.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Revised: 08/24/2012] [Accepted: 09/17/2012] [Indexed: 01/11/2023]
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Matthews AM, Fu R, Dana T, Chou R. Intranasal or transdermal nicotine for the treatment of postoperative pain. THE COCHRANE DATABASE OF SYSTEMATIC REVIEWS 2012. [DOI: 10.1002/14651858.cd009634] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Randomised trial of intranasal nicotine and postoperative pain, nausea and vomiting in non-smoking women. Eur J Anaesthesiol 2011; 28:585-91. [PMID: 21562425 DOI: 10.1097/eja.0b013e328344d998] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND The primary aim of this study is to test the hypothesis that intranasal nicotine reduces postoperative opioid use among non-smoking women. The second aim is to determine the effects of intranasal nicotine on the incidence of postoperative nausea and vomiting (PONV). METHODS In this double-blind, randomised placebo-controlled trial, non-smoking women undergoing gynaecological procedures received either 3 mg intranasal nicotine (N=90) or placebo spray (N=89) at the conclusion of surgery. Postoperative opioid use (intravenous morphine equivalents) and PONV rates were recorded during the recovery room (postanaesthesia care unit, PACU) stay and first 24 postoperative hours. RESULTS From an overall analysis, opioid dose administered within the first 24 h was lower in patients receiving nicotine [median (25th, 75th) 38 (17, 62) mg for placebo vs. 25 (13, 46) mg for nicotine; P=0.012]. Inpatients who received intranasal nicotine used less opioid. From an overall analysis, patients in the nicotine group were more likely to experience nausea (71.1 vs. 56.2% P=0.044), receive rescue antiemetics (57.8 vs. 38.2% P=0.011), and report higher Nausea Verbal Descriptive Scores [2 (0, 2; vs. 1 (0, 2), P=0.006] in PACU. Inpatients who received nicotine were more likely to receive antiemetics (P=0.009) and report higher Nausea Verbal Descriptive Scores (P=0.025) in the PACU. CONCLUSION Intraoperative use of intranasal nicotine has a sustained opioid-sparing effect in non-smoking women undergoing gynaecological procedures and is associated with a higher frequency of PONV.
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A randomised double-blind crossover trial of the potential analgesic effect of a transdermal nicotine patch in non-smokers based on objective and subjective assessment. Eur J Anaesthesiol 2011; 28:592-6. [PMID: 21681103 DOI: 10.1097/eja.0b013e328347dfd4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The results of studies of the analgesic effect of nicotine in humans are complex because these studies have included smokers with variable smoking histories. We investigated whether the use of a 17.5 mg transdermal nicotine (TDN) patch decreased the magnitude of pressure pain on the hands of healthy non-smoking volunteers. DESIGN This was a randomised double-blind crossover trial. A TDN patch or placebo (drug-free bandage) was applied randomly on the anterior chest of non-smoking volunteers 1 h before the experiments. We measured minimum perceived current and pain threshold on the right hand and then evaluated the magnitude of pressure pain by using the Pain Vision PS-2100 (Nipro Co., Osaka, Japan) which helps in objective quantitative assessment of pain magnitude. After estimating minimum perceived current, pressure pain was produced using a combination of 100-g discs and a rod. The rod and the discs weighing 0 (no disc), 200 (two discs), 400 (four discs), 200 (two discs) and 0 g (no disc) were placed consecutively in this order on the right hand and pain threshold was measured. At the same time, volunteers were asked to rate pain on a numerical rating scale (NRS). Minimum perceived current is the current at which the volunteer perceives the first sensation on applying gradually increasing pulsed current. Pain threshold is the compatible electrode current at which the volunteer feels the intensity of pressure pain. Pain degree is calculated as (pain threshold-minimum perceived current)/minimum perceived current × 100. PARTICIPANTS Forty non-smoking volunteers were enrolled in this study. RESULTS No significant differences between groups were observed in minimum perceived current, pain threshold, pain degree or NRS. Of the volunteers who received the nicotine patch, four became anorexic and nauseated and two required anti-emetics. CONCLUSION The nicotine patch had no analgesic effect in non-smoking volunteers.
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Qiu YM, Liu YT, Li ST. Tramadol requirements may need to be increased for the perioperative management of pain in smokers. Med Hypotheses 2011; 77:1071-3. [PMID: 22001127 DOI: 10.1016/j.mehy.2011.09.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2011] [Accepted: 09/05/2011] [Indexed: 01/07/2023]
Abstract
Evidence indicates that smokers have hyperalgesia perioperatively as characterized by a higher postoperative pain score as well as increased requirements of opioids during surgery and postoperative patient-controlled analgesia compared with non-smokers. The possible mechanism of hyperalgesia for smokers is related to nicotinic acetylcholine receptor (nAChR) desensitization as well as competitive occupancy for binding sites. For smokers, high doses of opioids are needed perioperatively whereas small doses of nicotine do not reduce postoperative opioid requirements. Nicotine replacement treatment has been proved to be effective only for non-smokers. The serotonergic system plays an important part in modulating anti-nociception, and decreasing the concentration of serotonin in vesicles in neurons of the brain and spinal cord is an effective method. Intraoperative application of tramadol could result in an analgesic effect via enhancement of descending inhibitory pain pathways. Therefore, increasing the amount of tramadol given intraoperatively and postoperatively may reduce overall opioid requirements, and decrease the pain score as well as morphine consumption postoperatively.
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Affiliation(s)
- Y M Qiu
- Department of Anesthesiology, Shanghai First People's Hospital, No 100 Haining Road, Hongkou District, Shanghai, China
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Czarnetzki C, Schiffer E, Lysakowski C, Haller G, Bertrand D, Tramèr MR. Transcutaneous nicotine does not prevent postoperative nausea and vomiting: a randomized controlled trial. Br J Clin Pharmacol 2011; 71:383-90. [PMID: 21284697 DOI: 10.1111/j.1365-2125.2010.03844.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
AIMS There is empirical evidence that smokers are less likely to suffer from postoperative nausea and vomiting (PONV). We sought to investigate whether transcutaneus nicotine prevents PONV. METHODS Non-smokers receiving general anaesthesia for surgery were randomly allocated to Nicotinell Patch 10cm(2) (TTS 10), containing 17.5mg of nicotine (average delivery rate, 7mg 24h(-1) ) or matching placebo patch. Patches were applied 1h before surgery and were left in situ until 24h after surgery (or until the first PONV symptoms occurred). RESULTS We randomized 90 patients (45 nicotine, 45 placebo). In the post-anaesthetic care unit, the incidence of nausea was 22.2% with nicotine and 24.4% with placebo (P= 0.80), and the incidence of vomiting was 20.0% with nicotine and 17.8% with placebo (P= 0.78). Cumulative 24h incidence of nausea was 42.2% with nicotine and 40.0% with placebo (P= 0.83), and of vomiting was 31.1% with nicotine and 28.9% with placebo (P= 0.81). PONV episodes tended to occur earlier in the nicotine group. Postoperative headache occurred in 17.8% of patients treated with nicotine and in 15.6% with placebo (P= 0.49). More patients receiving nicotine reported a low quality of sleep during the first postoperative night (26.7% vs. 6.8% with placebo; P= 0.01). CONCLUSIONS Non-smokers receiving a prophylactic nicotine patch had a similar incidence of PONV during the first 24h and tended to develop PONV symptoms earlier compared with controls. They had a significantly increased risk of insomnia during the first postoperative night.
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Affiliation(s)
- Christoph Czarnetzki
- Division of Anaesthesiology Clinical Trial Unit, University Hospitals of Geneva, Geneva, Switzerland Department of Neurosciences Medical Faculty, University of Geneva, Geneva, Switzerland.
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Yagoubian B, Akkara J, Afzali P, Alfi DM, Olson L, Conell-Price J, Yeh J, Eisig SB, Flood P. Nicotine nasal spray as an adjuvant analgesic for third molar surgery. J Oral Maxillofac Surg 2011; 69:1316-9. [PMID: 21256649 DOI: 10.1016/j.joms.2010.07.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2010] [Revised: 06/16/2010] [Accepted: 07/03/2010] [Indexed: 10/18/2022]
Abstract
PURPOSE To determine the efficacy of preoperatively administered nicotine nasal spray (3 mg) for analgesia after third molar (TM) surgery. MATERIALS AND METHODS A single-center, prospective, randomized, double-blind, crossover trial was conducted. The study population consisted of 20 nonsmoking patients referred to the Department of Oral and Maxillofacial Surgery of Columbia University College of Dental Medicine for extraction of all 4 TMs. Each patient received nicotine nasal spray or placebo spray before TM surgery. At a subsequent visit the contralateral TMs were removed with prior administration of the alternate treatment. For an hour postoperatively, subjects reported information on pain and nausea, and hemodynamic variables were recorded at 15-minute intervals. Telephone follow-up was recorded for 5 days postoperatively, where patients reported information on pain, nausea, and use of hydrocodone/acetaminophen as rescue analgesia. RESULTS Nicotine treatment was associated with a highly significant decrease in pain reported during the 5 days after TM surgery. There was no difference in the amount of hydrocodone/acetaminophen used or amount of nausea reported. There was a small but significant increase in heart rate after nicotine treatment compared with placebo during the first hour after surgery. There was no difference in blood pressure between groups. CONCLUSION Pain is well controlled by hydrocodone/acetaminophen in most patients after TM surgery. However, there is significant variability in pain reported. Nicotinic agonists represent a new class of analgesic that can be considered for patients who are expected to have significant opioid-resistant pain after TM surgery. Caution should be used with patients in whom a small increase in heart rate would be deleterious.
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Affiliation(s)
- Benjamin Yagoubian
- Department of Oral and Maxillofacial Surgery, College of Dental Medicine, Columbia University, New York, NY 10032, USA.
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Skurtveit S, Furu K, Selmer R, Handal M, Tverdal A. Nicotine dependence predicts repeated use of prescribed opioids. Prospective population-based cohort study. Ann Epidemiol 2010; 20:890-7. [PMID: 20627770 DOI: 10.1016/j.annepidem.2010.03.010] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2009] [Revised: 02/11/2010] [Accepted: 03/03/2010] [Indexed: 10/19/2022]
Abstract
PURPOSE The aim of this study was to evaluate prospectively smoking dependence as a predictor of repeated use of prescribed opioids in non-cancer patients. METHODS We conducted a prospective population-based study cohort of 12,848 men and 15,894 women 30-75 years of age in health surveys in Norway during 2000-2002 with repeated opioid prescriptions (12+, during 2004-2007) recorded in the Norwegian Prescription Database as the outcome measure. Information on history of smoking and potential confounders was obtained at baseline by self-administered questionnaires. For smoking, participants were divided into categories: never; previously heavy (stopped maximum of 5 years earlier; 10+ cigarettes daily); daily not heavy (1-9 cigarettes); dependent daily smokers (10+ cigarettes), and other (previously and/or not daily). Odds ratios (ORs) with 95% confidence intervals (CIs) were estimated by logistic regression. RESULTS During follow-up, 335 (1.5%) of survey participants were registered with 12+ prescriptions of opioids during the period 2004-2007. The prevalence of repeated prescription frequency of opioids was higher for men and women with a history of smoking. The adjusted OR for prescribed opioids for dependent daily smokers was 3.1 (95% CI: 2.3-4.1), for daily non-heavy smokers 1.8 (1.2-2.7), and for previous heavy smokers 1.8 (1.1-3.0), compared with never-smokers as reference. CONCLUSIONS Results of the study suggest that smoking dependence may predict more frequent use of opioids.
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Affiliation(s)
- Svetlana Skurtveit
- Department of Pharmacoepidemiology, Norwegian Institute of Public Health, and Norwegian Centre for Addiction Research, University of Oslo, Norway.
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Rowley TJ, McKinstry A, Greenidge E, Smith W, Flood P. Antinociceptive and anti-inflammatory effects of choline in a mouse model of postoperative pain. Br J Anaesth 2010; 105:201-7. [PMID: 20511332 DOI: 10.1093/bja/aeq113] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Choline is a dietary supplement that activates alpha7 nicotinic receptors. alpha7 nicotinic activation reduces cytokine production by macrophages and has antinociceptive activity in inflammatory pain models. We hypothesized that systemic administration of choline would reduce the inflammatory response from macrophages and have antinociceptive efficacy in a murine model of postoperative pain. METHODS We studied the response of wild-type and alpha7 nicotinic knockout mice to heat and punctate pressure after a model surgical procedure. We investigated the effect of genotype and choline treatment on alpha-bungarotoxin binding to, and their production of tumour necrosis factor (TNF) from, macrophages. RESULTS Choline provided moderate antinociception. The ED(50) for choline inhibition of heat-induced allodynia was 1.7 mg kg(-1) h(-1). The ED(50) for punctate pressure threshold was 4.7 mg kg(-1) h(-1) choline. alpha7 nicotinic knockout mice had no change in hypersensitivity to heat or pressure and were significantly different from littermate controls when treated with choline 5 mg kg(-1) h(-1) (P<0.05, 0.01). Choline 100 mM reduced binding of alpha-bungarotoxin to macrophages by 72% and decreased their release of TNF by up to 51 (sd 11)%. There was no difference by genotype in the inhibition of TNF release by choline. CONCLUSIONS Systemic choline is a moderately effective analgesic via activation of alpha7 nicotinic acetylcholine receptors. The antinocicepive effect may not be mediated by a reduction of TNF pathway cytokine release from macrophages. Although choline at millimolar concentrations clearly inhibits the release of TNF, this effect is not alpha7 subunit-dependent and occurs at concentrations likely higher than reached systemically in vivo.
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Affiliation(s)
- T J Rowley
- Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, New York, NY, USA
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Logan HL, Fillingim RB, Bartoshuk LM, Sandow P, Tomar SL, Werning JW, Mendenhall WM. Smoking status and pain level among head and neck cancer patients. THE JOURNAL OF PAIN 2009; 11:528-34. [PMID: 20015696 DOI: 10.1016/j.jpain.2009.09.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2009] [Revised: 08/13/2009] [Accepted: 09/09/2009] [Indexed: 01/21/2023]
Abstract
UNLABELLED Smoking is a risk factor for cancer of the upper aerodigestive tract with recidivism rates high even after diagnosis. Nicotine, a major product in tobacco, is a complex drug with multiple characteristics including analgesic properties. The goal of the study was to examine pain levels in the context of smoking status among patients recently diagnosed with cancer of the upper aerodigestive tract who have not yet received any treatment including radiation, surgery, or chemotherapy. A convenience sample of 112 newly diagnosed head and neck cancer patients (78 men and 34 women) was recruited from clinics at the University of Florida. Smoking rates were: 32% never smoked, 34% former smokers, 34% current smokers. Among current smokers, 62% reported plans to quit in the next 3 months and 38% had tried to quit more than 3 times in the past 5 years. Current smokers reported higher general (sensory and affective) and oral pain levels (spontaneous and functional) and pain-related interference than did never and former smokers (all F's > 8. and P's < .0001) even after controlling for stage of diagnosis. In addition, current smokers reported significantly greater interference from the pain (F(2,73) = 10.5 P < .0001). PERSPECTIVE This study highlights the importance of understanding self-reported pain in cancer patients who continue to smoke. When pain is elevated, smokers may be motivated to use tobacco as a means of reducing pain, which in turn reinforces smoking behavior. Tobacco cessation programs should include pain management as a component of treatment.
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Affiliation(s)
- Henrietta L Logan
- Department of Community Dentistry and Behavioral Science, University of Florida, Gainesville, Florida 32610, USA.
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Olson LC, Hong D, Conell-Price JS, Cheng S, Flood P. A transdermal nicotine patch is not effective for postoperative pain management in smokers: a pilot dose-ranging study. Anesth Analg 2009; 109:1987-91. [PMID: 19923530 DOI: 10.1213/ane.0b013e3181bd1612] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Nicotine has an antinociceptive effect in animal models. The analgesic effect in humans has been examined, but studies have had mixed results. A proposed etiology is variability in chronic nicotine exposure because of differences in tobacco smoking rates and second-hand smoke exposure. In this study, we examined the postoperative analgesic effect of a transdermal nicotine patch in smokers in a parallel design to a previous study in nonsmokers. METHODS We conducted a randomized, double-blind, prospective, placebo-controlled trial of 28 patients undergoing abdominal or pelvic surgery who required patient-controlled analgesia and an overnight hospital stay. Before anesthetic induction, a transdermal nicotine patch was applied (0, 5, 10, or 15 mg). The primary outcome variable was postoperative pain reported over the first hour and over the next 5 days using a standard numerical rating scale. Secondary outcome variables were pain medication use, hemodynamic values, nausea, and sedation. RESULTS Patients treated with nicotine reported higher pain scores than those treated with placebo over the first hour after surgery (P < 0.01, average numerical rating scale increase = 0.67) and there was no difference between groups in the subsequent 5 days (P > 0.05). There was no significant dose effect. Diastolic blood pressure in the first hour was higher in the placebo group compared with the nicotine-treated group (P < 0.01, average increase = 11 mm Hg). There was no difference in nausea or sedation. CONCLUSIONS Transdermal nicotine, 5-15 mg, failed to relieve postoperative pain or reduce opioid use in smokers.
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Affiliation(s)
- Luke C Olson
- Department of Anesthesiology, Columbia University Medical Center, New York, New York, USA
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Sterling JA. Recent Publications on Medications and Pharmacy. Hosp Pharm 2008. [DOI: 10.1310/hpj4311-937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Hospital Pharmacy presents this feature to keep pharmacists abreast of new publications in the medical/pharmacy literature. Articles of interest regarding a broad scope of topics are abstracted monthly.
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