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Nguyen KT, Beauchamp DW, O'Hara RB. A Pathophysiological Approach for Selecting Medications to Treat Nociceptive and Neuropathic Pain in Servicemembers. Mil Med 2024; 189:e1879-e1889. [PMID: 38300182 DOI: 10.1093/milmed/usad506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 09/12/2023] [Accepted: 01/11/2024] [Indexed: 02/02/2024] Open
Abstract
INTRODUCTION The prevalence of chronic pain of service members (SMs) in the U.S. is estimated to be higher (roughly 31-44%) compared to that of civilian population (26%). This higher prevalence is likely due to the high physical demands related combat and training injuries that are not immediately resolved and worsen over time. Mental Health America reports that chronic pain can lead to other mental health conditions such as severe anxiety, depression, bipolar disorder, and post-traumatic stress disorder. Such mental health conditions can negatively affect job performance, reduce readiness for military duties, and often lead to patterns of misuse of opioid after SMs entering civilian life. The primary objective of this narrative review is to present a summarized guideline for the treatment of two types of pain that likely affect SMs, namely nociceptive somatic pain and neuropathic pain. This review focused on a stepwise approach starting with nonopioid interventions prior to opioid therapy. The secondary objective of this review is to elucidate the primary mechanisms of action and pathways associated with these two types of pain. METHODS We followed the Scale for Assessment of Narrative Review Articles when transcribing this narrative review article to enhance the quality and brevity of this review. This Scale has 0.77% an intra-class coefficient of correlation, 95% confidence interval and 0.88 inter-rater reliability. We searched PubMed, Google Scholar, WorldCAT, and the Cochrane Library for the primary and secondary articles that targeted mechanisms of action, pathways, and pharmacological modalities for nociceptive somatic and neuropathic pain that were published from 2011 to 2022. We excluded articles related to pediatric, some specific pain conditions such as cancer-related pain, palliative care, end-of-life care, and articles that were not written in English language. For pharmacologic selection, we adopted the guidelines from the Policy for Implementation of a Comprehensive Policy on Pain Management by the Military Health Care system for the Fiscal Year 2021; the Clinical Practice Guidance for Opioid Therapy for Chronic Pain by the Department of Defense/Veterans Health Administration (2022); the (2021) Implementation of a Comprehensive Policy on Pain Management by the Military Health Care System; and the (2022) Guideline for Prescribing Opioids for Chronic Painby the Centers for Disease Control. DISCUSSION From the knowledge of the mechanisms of action and pathways, we can be more likely to identify the causative origins of pain. As a result, we can correctly diagnose the type of pain, properly develop an efficient and personalized treatment plan, minimize adverse effects, and optimize clinical outcomes. The guideline, however, does not serve as a substitute for clinical judgment in patient-centered decision-making. Medication choices should be individualized judiciously based on the patient's comorbid conditions, available social and economic resources, and the patient's preferences to balance the benefits and risks associated with various pain medications and to achieve optimal pain relief and improve the patient's quality of life.
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Affiliation(s)
- Khan Thi Nguyen
- Interdisciplinary Pain Management Clinic, William Beaumont Army Medical Center, Fort Bliss, TX 79918, USA
| | - Daniel W Beauchamp
- Interdisciplinary Pain Management Clinic, William Beaumont Army Medical Center, Fort Bliss, TX 79918, USA
| | - Reginald B O'Hara
- Department of Clinical Investigation, William Beaumont Army Medical Center, Fort Bliss, TX 79918, USA
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Varrassi G, Hanna M, Coaccioli S, Fabrizzi P, Baldini S, Kruljac I, Brotons C, Perrot S. Dexketoprofen Trometamol and Tramadol Hydrochloride Fixed-Dose Combination in Moderate to Severe Acute Low Back Pain: A Phase IV, Randomized, Parallel Group, Placebo, Active-Controlled Study (DANTE). Pain Ther 2024; 13:1007-1022. [PMID: 38922520 PMCID: PMC11255173 DOI: 10.1007/s40122-024-00623-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 05/31/2024] [Indexed: 06/27/2024] Open
Abstract
INTRODUCTION Dexketoprofen/tramadol 25/75 mg (DKP/TRAM) is a fixed-dose combination of a cyclooxygenase inhibitor and opioid receptor agonist. To better understand the efficacy and safety of DKP/TRAM in the treatment of moderate to severe acute lower back pain (LBP) with or without radiculopathy, we carried out a large explorative phase IV international, multicenter, prospective, randomized, double-blind, parallel group, placebo-controlled study (DANTE). METHODS A total of 538 patients with or without a history of LBP and experiencing acute LPB of moderate to severe intensity [Numerical Rating Scale-Pain Intensity (NRS-PI) score > 5] were randomized 4:4:1:1 to DKP/TRAM 25/75 mg every 8 h (n = 211), tramadol (TRAM) 100 mg (n = 207), placebo-matched DKP/TRAM (n = 59), or placebo-matched TRAM (n = 61). RESULTS The proportion of patients achieving the primary endpoint, defined as the time to first achieve NRS-PI score < 4 or pain intensity reduction ≥ 30% from drug intake up to 8 h after the first dose, was higher in the DKP/TRAM arm than in the placebo group, but the difference was not statistically significant (46.1% vs. 42.6%, respectively; hazard ratio 1.11; 95% confidence interval 0.775, 1.595; p = 0.566). DKP/TRAM achieved superiority over TRAM in total pain relief at 4, 6, and 8 h (p < 0.05). Conversely, in relation to the secondary endpoints, a significantly greater reduction in NRS-PI score was seen with DKP/TRAM versus placebo starting from 1 h, and this reduction remained numerically lower throughout 8 h. Summed pain intensity difference values were also significantly lower at 4, 6, and 8 h with DKP/TRAM compared to TRAM (p < 0.05). Overall, DKP/TRAM was well tolerated. CONCLUSION Although the primary endpoint was not met, secondary efficacy analyses suggest the superiority of DKP/TRAM over placebo and TRAM alone in terms of total pain relief. DKP/TRAM can be considered to be an effective and safe option for the treatment of moderate to severe acute LBP. DANTE STUDY REGISTRATION EudraCT number: 2019-003656-37; ClinicalTrials.gov Identifier: NCT05170841.
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Affiliation(s)
| | - Magdi Hanna
- Analgesics and Pain Research (APR) Ltd, Beckenham, UK
| | | | - Paolo Fabrizzi
- A. Menarini Industrie Farmaceutiche Riunite S.r.l., Florence, Italy
| | - Simone Baldini
- A. Menarini Industrie Farmaceutiche Riunite S.r.l., Florence, Italy
| | - Ivan Kruljac
- Poliklinika SOLMED d.o.o., Preradovićeva ulica 20, 10000, Zagreb, Croatia
| | - Carles Brotons
- Sardenya Primary Health Care Center, Institut de Recerca Sant Pau (IR SANT PAU), Barcelona, Spain
| | - Serge Perrot
- Pain Center, INSERM U987, Hôpital Cochin, University of Paris, Paris, France
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Li C, Li L, Li Y, Liu D, Han K, Zhu R, Zhao Y, Lu Q, Li C. Effect of Topical Application of an NSAID Lateral to the Incision on Postoperative Pain Following Unicompartmental Knee Arthroplasty: A Double-Blind Randomized Controlled Trial. Orthop Surg 2024; 16:1555-1561. [PMID: 38806283 PMCID: PMC11216841 DOI: 10.1111/os.14084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/10/2024] [Accepted: 04/14/2024] [Indexed: 05/30/2024] Open
Abstract
OBJECTIVE How to minimize postoperative pain following knee replacement surgery has been a great challenge. This study was performed to evaluate the effect of applying a topical nonsteroidal anti-inflammatory drug (NSAID) lateral to the incision for postoperative pain following unicompartmental knee arthroplasty (UKA). METHODS The randomized controlled trial enrolled 100 patients from August 2023 to January 2024. One hundred patients who underwent UKA were randomized into two groups. The intervention group received a topical NSAID lateral to the incision postoperatively, and the control group received a placebo lateral to the incision postoperatively. The primary outcome measures were the amount of opioid consumption and the visual analogue scale (VAS) score (12, 24, 36, 48, and 72 h after operation) for pain. The secondary outcome measures were the American Knee Society Score (AKSS, preoperation and 1-month follow-up after operation), the time of first analgesic demand, side effects of opioids, operation time, postoperative stay, surgery-related complications, and postoperative incision healing grade. Independent sample t test and paired sample t test were used to compare continuous data. Chi-square test and Fisher's precision probability tests were used to analyze the categorical data. RESULTS Ninety-eight patients (intervention group, 48 patients; control group, 50 patients) were analyzed. Opioid consumption was significantly lower in the intervention group than in the control group during the first 12 h, 12 to 24 h, and 24 to 48 h postoperatively (p < 0.05). The VAS score for pain within 72 h postoperatively was significantly lower in the intervention group than in the control group (p < 0.05). There was no significant difference in the AKSS, operation time, postoperative stay, complications, or postoperative incision healing grade between the two groups. The time of first analgesic demand for patient-controlled analgesia was significantly later in the intervention group than in the control group (p < 0.05). There were fewer side effects of opioids in the intervention group (8.3%) than in the control group (18.0%). CONCLUSION Postoperative application of topical NSAIDs lateral to the incision is an effective and safe method for pain management after UKA, helping to decrease the pain score and reduce opioid consumption postoperatively with no increase in side effects.
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MESH Headings
- Humans
- Pain, Postoperative/drug therapy
- Pain, Postoperative/prevention & control
- Arthroplasty, Replacement, Knee/methods
- Arthroplasty, Replacement, Knee/adverse effects
- Anti-Inflammatory Agents, Non-Steroidal/administration & dosage
- Anti-Inflammatory Agents, Non-Steroidal/therapeutic use
- Double-Blind Method
- Female
- Male
- Middle Aged
- Aged
- Pain Measurement
- Administration, Topical
- Analgesics, Opioid/administration & dosage
- Analgesics, Opioid/therapeutic use
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Affiliation(s)
- Chao Li
- Department of OrthopedicsPeking University First HospitalBeijingChina
| | - Lei Li
- Department of OrthopedicsQilu Hospital of Shandong UniversityJinanChina
| | - Yifan Li
- Department of OrthopedicsQilu Hospital of Shandong UniversityJinanChina
| | - Dehua Liu
- Department of OrthopedicsQilu Hospital of Shandong UniversityJinanChina
| | - Kaifei Han
- Department of OrthopedicsQilu Hospital of Shandong UniversityJinanChina
| | - Ranlyu Zhu
- Department of OrthopedicsPeking University First HospitalBeijingChina
| | - Yao Zhao
- Department of OrthopedicsPeking University First HospitalBeijingChina
| | - Qunshan Lu
- Department of OrthopedicsQilu Hospital of Shandong UniversityJinanChina
| | - Chunde Li
- Department of OrthopedicsPeking University First HospitalBeijingChina
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de Liyis BG, Sutedja JC, Tjandra DC, Widha Putri NLPS, Gunawan MFB, Karuniamaya CP, Barus JFA, Pinzon RT, Widyadharma IPE. Serotonin norepinephrine reuptake inhibitors in managing neuropathic pain following spinal and non-spinal surgery: A systematic review and meta-analysis of randomized controlled trials. Clin Neurol Neurosurg 2024; 239:108223. [PMID: 38484604 DOI: 10.1016/j.clineuro.2024.108223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 02/19/2024] [Accepted: 03/01/2024] [Indexed: 04/02/2024]
Abstract
BACKGROUND While serotonin norepinephrine reuptake inhibitors (SNRIs) offer promise in managing Post-surgical neuropathic pain (PSNP), uncertainties remain. This study aims to evaluate the effectiveness and adverse events of SNRIs in managing PSNP. METHODS Systematic searches of PubMed, Embase, and Cochrane databases up to January 1st 2023 identified randomized controlled trials (RCTs) comparing SNRIs to placebo for PSNP. The primary outcome measures were pain at rest and adverse events post-surgery. Subgroup analyses were conducted based on surgical type and specific SNRIs. RESULTS A total of 19 RCTs, encompassing 1440 participants (719 in the SNRI group vs 721 in the placebo group), met the inclusion criteria and were included. The pooled results demonstrated that pain scores were significantly lower in patients treated with SNRIs at 2 hours (MD:-0.26; 95%CI: -0.47 to -0.04; p=0.02), 6 hours (MD:-0.68; 95%CI: -1.01 to -0.34; p<0.0001), 24 hours (MD:-0.54; 95%CI: -0.99 to -0.09; p=0.02), and 48 hours (MD:-0.66; 95%CI: -1.23 to -0.10; p=0.02) post-surgery. In terms of adverse events, dizziness (OR:2.53; 95%CI: 1.34-4.78; p=0.004) and dry mouth (OR:2.21; 95%CI: 1.25-3.92; p=0.007) were significantly higher in the SNRIs group. Subgroup analysis showed that SNRI was found to significantly lower the 24-hour pain score after spinal surgery (MD:-0.45; 95%CI: -0.84 to -0.05; p=0.03). Duloxetine (MD:-0.63; 95%CI: -1.15 to -0.11; p=0.02) had a significant effect in lowering the 24-hour pain score at rest compared to placebo, whereas venlafaxine did not. CONCLUSIONS SNRIs yielded considerable pain score reductions across multiple post-surgical intervals, although accompanied by an increased incidence of dizziness and dry mouth.
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Affiliation(s)
| | | | | | | | | | | | - Jimmy Fransisco Abadinta Barus
- Department of Neurology, School of Medicine and Health Science, Atma Jaya Catholic University of Indonesia, Jakarta, Indonesia
| | - Rizaldi Taslim Pinzon
- Department of Neurology, Duta Wacana University School of Medicine, Yogyakarta, Indonesia
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Paladini A, Gharibo C, Khalbous S, Salti A, Ergönenç T, Pasqualucci A, Varrassi G. Looking Back, Moving Forward in Pain Medicine. Cureus 2023; 15:e44716. [PMID: 37809214 PMCID: PMC10552787 DOI: 10.7759/cureus.44716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 09/04/2023] [Indexed: 10/10/2023] Open
Abstract
Pain is an ancient medical complaint and a clinical riddle that has never been entirely solved. Looking back into history was the springboard to a look into the future of pain medicine. This article was based on a series of presentations given in a recent congress (May 2023) and represents the research, views, and opinions of the authors. Opium has been used for millennia to treat pain, but when it gained broad use in the United States in the 1980s and 1990s, it was so vastly overprescribed and mis-prescribed that it led to a public health crisis. This, in turn, led to the reaction where opioids at times were under-prescribed, leaving out many patients who may have benefited from opioids while leaving many legacy pain patients to manage withdrawal on their own and with few analgesic options. Cannabinoids (CB) were likewise widely used for various conditions, including pain, but were outlawed in the 20th century, only to be brought back as a potential analgesic agent. Interventional pain medicine is a developing discipline and has reinforced the concept of the interdisciplinary pain clinic. It plays an increasingly important part in modern medicine overall, especially with the support of ultrasound, for both diagnosis and therapy. Today, the views about pain have changed. Anyone has accepted that pain is not purely a physical phenomenon but a biopsychosocial phenomenon that occurs within a cultural context. Pain management remains a small but vitally important medical subspecialty that is critical from a functional enablement and population health perspective, which is helping to navigate new therapeutic targets, new drugs and routes of administration, greater understanding of pain psychology, and new technologies. Pain control today means early intervention, functional enablement through pain alleviation, educating patients about pain management, and minimizing the transition from acute to chronic pain.
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Affiliation(s)
- Antonella Paladini
- Life, Health, and Environmental Sciences (MESVA), University of L'Aquila, L'Aquila, ITA
| | - Christopher Gharibo
- Pain Management, New York University (NYU) Langone Health, New York City, USA
| | | | - Ammar Salti
- Anesthesia and Pain Medicine, Cleveland Clinic Abu Dhabi, Abu Dhabi, ARE
| | - Tolga Ergönenç
- Anesthesia and Reanimation, Morphological Madrid Research Center, Madrid, ESP
- Anesthesia and Reanimation, Akyazi Hospital Pain and Palliative Care, Sakarya, TUR
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Paladini A, Rawal N, Coca Martinez M, Trifa M, Montero A, Pergolizzi J, Pasqualucci A, Narvaez Tamayo MA, Varrassi G, De Leon Casasola O. Advances in the Management of Acute Postsurgical Pain: A Review. Cureus 2023; 15:e42974. [PMID: 37671225 PMCID: PMC10475855 DOI: 10.7759/cureus.42974] [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: 07/19/2023] [Accepted: 08/04/2023] [Indexed: 09/07/2023] Open
Abstract
Despite the millions of surgeries performed every year around the world, postoperative pain remains prevalent and is often addressed with inadequate or suboptimal treatments. Chronic postsurgical pain is surprisingly prevalent, and its rate varies with the type of surgery, as well as with certain patient characteristics. Thus, better clinical training is needed as well as patient education. As pain can be caused by more than one mechanism, multimodal or balanced postsurgical analgesia is appropriate. Pharmacological agents such as opioid and nonopioid pain relievers, as well as adjuvants and nonpharmacologic approaches, can be combined to provide better and opioid-sparing pain relief. Many specialty societies have guidelines for postoperative pain management that emphasize multimodal postoperative analgesia. These guidelines are particularly helpful when dealing with special populations such as pregnant patients or infants and children. Pediatric pain control, in particular, can be challenging as patients may be unable to communicate their pain levels. A variety of validated assessment tools are available for diagnosis. Related to therapy, most guidelines agree on the fact that codeine should be used with extreme caution in pediatric patients as some may be "rapid metabolizers" and its use may be life-threatening. Prehabilitation is a preoperative approach that prepares patients in advance of elective surgery with conditioning exercises and other interventions to optimize their health. Prehabilitation may have aerobic, strength-training, nutritional, and counseling components. Logistical considerations and degree of patient adherence represent barriers to effective prehabilitation programs. Notwithstanding all this, acute postoperative pain represents a clinical challenge that has not yet been well addressed.
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Affiliation(s)
- Antonella Paladini
- Department of Life, Health and Environmental Sciences (MESVA), University of L'Aquila, L'Aquila, ITA
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Hanna M, Perrot S, Varrassi G. Critical Appraisal of Current Acute LBP Management and the Role of a Multimodal Analgesia: A Narrative Review. Pain Ther 2023; 12:377-398. [PMID: 36765012 PMCID: PMC10036717 DOI: 10.1007/s40122-023-00479-0] [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: 11/15/2022] [Accepted: 01/19/2023] [Indexed: 02/12/2023] Open
Abstract
Acute low back pain (LBP) stands as a leading cause of activity limitation and work absenteeism, and its associated healthcare expenditures are expected to become substantial when acute LBP develops into a chronic and even refractory condition. Therefore, early intervention is crucial to prevent progression to chronic pain, for which the management is particularly challenging and the most effective pharmacological therapy is still controversial. Current guideline treatment recommendations vary and are mostly driven by expertise with opinion differing across different interventions. Thus, it is difficult to formulate evidence-based guidance when the relatively few randomized clinical trials have explored the diagnosis and management of LBP while employing different selection criteria, statistical analyses, and outcome measurements. This narrative review aims to provide a critical appraisal of current acute LBP management by discussing the unmet needs and areas of improvement from bench-to-bedside, and proposes multimodal analgesia as the way forward to attain an effective and prolonged pain relief and functional recovery in patients with acute LBP.
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Affiliation(s)
- Magdi Hanna
- Director of the Analgesics and Pain Research Unit, APR (Ltd) Sunrise, Beckenham Place Park, Beckenham, Kent, London, BR35BN, UK.
| | - Serge Perrot
- Pain Centre, Cochin Hospital, INSERM U987, Université Paris Cité, Paris, France
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Pergolizzi JV, Breve F, Magnusson P, LeQuang JK, Varassi G. Current and emerging COX inhibitors for treating postoperative pain following oral surgery. Expert Opin Pharmacother 2023; 24:347-358. [PMID: 36562415 DOI: 10.1080/14656566.2022.2161364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
INTRODUCTION The numerous drugs in the NSAID class are often used to treat acute postoperative pain associated with oral surgery such as impacted third-molar extractions. These drugs are effective in this setting and dental pain studies often serve as models for acute pain relief and for registration of analgesics. With numerous cyclooxygenase (COX) inhibitors available as monotherapy, for use in combination with analgesic regimens, and in different doses and formulations, it was our aim to determine if there were clear-cut distinctions among these products and dosing regimens. AREAS COVERED This is a literature review of recent randomized controlled clinical trials evaluating NSAIDs for use in postoperative pain management following oral surgery. Of particular interest were head-to-head studies, which might offer some insight into comparative effectiveness. EXPERT OPINION Postoperative oral surgery pain is largely managed in real-world clinical practice using NSAIDs, either alone or in combination, and there is good evidence supporting their use especially in multimodal therapy. Head-to-head and comparative studies do not show a clear-cut 'optimal NSAID' in this setting, although ibuprofen, ketoprofen, dexketoprofen, and naproxen have gained most acceptance. Combination therapy with other analgesics or adjuvants is largely accepted.
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Affiliation(s)
| | - Franklin Breve
- Department of Pharmacy, Temple University, Philadelphia, PA, USA
| | - Peter Magnusson
- School of Medicine, Orebro University, Örebro, SWE
- Cardiology, Center of Research and Development Region Gävleborg /Uppsala University, Gävle, SWE
- Medicine, Cardiology Research Unit, Karolinska Institutet, SWE, Sweden
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Maurer GE, Imperato NS, Juybari CM, Kincaid H, Koons A. The Utility of Cannabis-Based Medicine in Chronic Pain Management: A Case Report. Cureus 2022; 14:e31555. [DOI: 10.7759/cureus.31555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Accepted: 11/15/2022] [Indexed: 11/17/2022] Open
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Varrassi G, Hanna M, Coaccioli S, Suada M, Perrot S. DANTE Study: The First Randomized, Double-Blind, Placebo and Active-Controlled, Parallel Arm Group Study Evaluating the Analgesic Efficacy and Safety of Dexketoprofen TrometAmol aNd Tramadol Hydrochloride Oral FixEd Dose Combination on Moderate to Severe Acute Pain in Patients with Acute Low Back Pain-Rationale and Design. Pain Ther 2022; 11:1055-1070. [PMID: 35788976 PMCID: PMC9314501 DOI: 10.1007/s40122-022-00407-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 06/14/2022] [Indexed: 01/11/2023] Open
Abstract
INTRODUCTION Despite a wide range of treatment approaches and the availability of treatment recommendations or guidelines, no consensus on the most effective pharmacological therapy of low back pain (LBP) has been reached yet. Therefore, additional clinical evidence, particularly if built upon a rigorous clinical trial design, an evidence-based medication choice, and broader inclusion criteria better acknowledging the heterogeneity and intrinsic variability of LBP is needed. The DANTE study has been designed to comprehensively assess the analgesic efficacy and tolerability of dexketoprofen/tramadol (DKP/TRAM) 75/25 mg in a large cohort of patients with moderate to severe acute LBP. METHODS The DANTE study is a phase IV, multicenter, randomized, double-blind, double-dummy parallel group, placebo, and active controlled study. The DANTE study encompasses a single-dose phase (day 1, t0-t8h) and a multiple-dose phase (from t8h to 8 h after intake of last dose at day 5). The DANTE study population includes patients naïve to LBP or patients with previous history of LBP experiencing a new episode of moderate to severe intensity with or without radiculopathy. The clinical phase of the DANTE study started in September 2020 and the anticipated completion date is April 2022. PLANNED OUTCOMES The primary endpoint is the time to first achieve a numeric rating scale-pain intensity (NRS-PI) score of < 4 or a pain intensity reduction ≥ 30% from drug intake up to 8 h after the first dose (t8h). Secondary objectives aim are: (1) to evaluate the analgesic efficacy of TRAM/DKP 75/25 mg versus TRAM 100 mg after the first dose; (2) to evaluate the analgesic efficacy of TRAM/DKP 75/25 mg versus TRAM 100 mg after the multiple doses (from t8h until day 5, multiple dose); and (3) to assess the safety and tolerability of the TRAM/DKP 75/25 mg fixed combination after single and multiple doses. DANTE STUDY REGISTRATION EudraCT number: 2019-003656-37.
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Affiliation(s)
| | - Magdi Hanna
- Analgesics and Pain Research (APR) Ltd, Beckenham, UK
| | | | - Meto Suada
- Global Medical Affairs, Menarini, Florence, Italy
| | - Serge Perrot
- Pain Center, INSERM U987, Hôpital Cochin, University of Paris, Paris, France
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Pergolizzi JV, Gharibo C, Magnusson P, Breve F, LeQuang JA, Varrassi G. Pharmacotherapeutic management of trigeminal neuropathic pain: an update. Expert Opin Pharmacother 2022; 23:1155-1164. [PMID: 35695796 DOI: 10.1080/14656566.2022.2087507] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Guidelines recommend a number of pharmacotherapeutic options used as monotherapy or in combination with others for treating the pain of trigeminal neuropathy. AREAS COVERED The authors examine the pharmacotherapeutic options for treating trigeminal neuralgia and supporting evidence in the literature. Guidelines reported the most effective treatment for trigeminal neuropathy, in particular trigeminal neuralgia, appears to be carbamazepine or oxcabazepine, but side effects can be treatment limiting. Lamotrigine and gabapentin are also recommended in guidance. In real-world clinical practice, baclofen, cannabinoids, eslicarbazepine, levetiracetam, brivaracetam, lidocaine, misoprostol, opioids, phenytoin, fosphenytoin, pimozide, sodium valproate, sumatriptan, tizanidine, tocainide, tricyclic antidepressants, and vixotrigine are sometimes used, either as monotherapy or in combination. The relatively small patient population has limited the number of large-scale studies and there is limited evidence on which to base prescribing choices. EXPERT OPINION While there is no optimal pharmacotherapy for treating trigeminal neuropathy, advancements in our understanding of the underlying mechanisms of this condition and drug development indicate promise for NaV inhibitors, despite the fact that not all patients respond to them and they may have potentially treatment-limiting side effects. Nevertheless, better understanding of NaV channels may be important avenues for future drug development for trigeminal neuropathy.
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Affiliation(s)
| | | | - Peter Magnusson
- Centre for Research and Development, Region Gävleborg/Uppsala University, Gävle, Sweden.,Department of Medicine, Cardiology Research Unit, Karolinska Institutet, Stockholm, Sweden
| | - Frank Breve
- Department of Pharmacy Practice, Temple University School of Pharmacy, Philadelphia, Pennsylvania, USA
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Mayoral Rojals V, Charaja M, De Leon Casasola O, Montero A, Narvaez Tamayo MA, Varrassi G. New Insights Into the Pharmacological Management of Postoperative Pain: A Narrative Review. Cureus 2022; 14:e23037. [PMID: 35419225 PMCID: PMC8994615 DOI: 10.7759/cureus.23037] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 03/10/2022] [Indexed: 11/05/2022] Open
Abstract
Postoperative pain is prevalent and often undertreated. There is a risk that untreated or suboptimally treated postoperative pain may transition into chronic postoperative pain, which can be challenging to treat. Clinical guidelines recommend the use of multimodal analgesia, including non-steroidal anti-inflammatory drugs (NSAIDs), acetaminophen, and, in some cases, opioids. NSAIDs are a broad class of drugs with different attributes such as cyclo-oxygenase (COX)-1 or COX-2 selectivity, onset of action, and analgesic potency. NSAIDs are associated with gastrointestinal and cardiovascular side effects and should be administered at the lowest effective dose for the shortest effective duration but can be effective in postoperative pain. The role of opioids in postoperative analgesia is long-standing but has recently come under scrutiny. Opioids are often used in multimodal analgesic combinations in such a way as to minimize the total consumption of opioids without sacrificing analgesic benefit. Special clinical considerations are required for surgical patients already on opioid regimens or with opioid use disorder. A particularly useful fixed-dose combination product for postoperative analgesia is dexketoprofen-tramadol, which confers safe and effective postoperative pain control and reduces the risk of persistent postoperative pain.
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García-López C, Gómez-Huertas C, Sánchez-González JM, Borroni D, Rodríguez-Calvo-de-Mora M, Romano V, Rachwani-Anil R, Ramos-López JF, Ortiz-Pérez S, Rocha-de-Lossada C. Opioids and Ocular Surface Pathology; A Literature Review of New Treatments Horizons. J Clin Med 2022; 11:jcm11051424. [PMID: 35268515 PMCID: PMC8911328 DOI: 10.3390/jcm11051424] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 12/01/2022] Open
Abstract
This review discusses the role of opioids in the corneal surface and the different pathways and therapeutic methods of management. A literature review was performed using PubMed database. For the database search, the main searching words “opioid” and “topical opioid treatment” were used with the descriptors “cornea”, “ocular surface”, “neuropathic corneal pain”, “corneal sensitivity” and “naltrexone”; original scientific articles and reviews were included to achieve the purpose of the review. The endogenous opioid system has relevant functions in the organism, and in daily use, opioids are used as painkillers. However, these drugs may be employed for other indications as opioid pathways have a wide spectrum. The corneal surface for topical treatment is easily accessible, hence sparing the side effects of systemic opioids. Instillation of opioid antagonist substances, such as naltrexone, increases corneal healing rates and stimulates the division of corneal epithelium cells without deleterious effects. The natural modulation of endogenous opioids controls different forms of pain, including inflammatory and neuropathic pain, both in the ocular surface and in the central nervous system. There are diverse methods in controlling pain using opioids, especially in refractory forms. This review attempts to collect the literature about corneal surface and opioid pathways to provide an overview image and a possible direction of the news treatments.
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Affiliation(s)
- Celia García-López
- Department of Ophthalmology, Hospital Universitario Virgen de las Nieves, 18014 Granada, Spain; (C.G.-L.); (C.G.-H.); (J.-F.R.-L.); (S.O.-P.); (C.R.-d.-L.)
| | - Carmen Gómez-Huertas
- Department of Ophthalmology, Hospital Universitario Virgen de las Nieves, 18014 Granada, Spain; (C.G.-L.); (C.G.-H.); (J.-F.R.-L.); (S.O.-P.); (C.R.-d.-L.)
| | - José-María Sánchez-González
- Department of Physics of Condensed Matter, Optics Area, University of Seville, 41004 Seville, Spain
- Correspondence: ; Tel.: +34-955-42-08-61
| | - Davide Borroni
- Department of Doctoral Studies, Riga Stradins University, LV-1007 Riga, Latvia;
- Cornea Research Unit, ADVALIA Vision, 20145 Milan, Italy
| | - Marina Rodríguez-Calvo-de-Mora
- Department of Ophthalmology, Hospital Regional Universitario de Málaga, 29010 Málaga, Spain;
- Department of Ophthalmology (Qvision), Vithas Almería, 04120 Almería, Spain
| | - Vito Romano
- Department of Eye and Vision Science Ophthalmology, St Paul’s Eye Hospital, Liverpool L7 8XP, UK;
- Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L69 3BX, UK
- Department of Medical and Surgical Specialties, Radiological Sciences, and Public Health, Ophthalmology Clinic, University of Brescia, 25121 Brescia, Italy
| | | | - Juan-Francisco Ramos-López
- Department of Ophthalmology, Hospital Universitario Virgen de las Nieves, 18014 Granada, Spain; (C.G.-L.); (C.G.-H.); (J.-F.R.-L.); (S.O.-P.); (C.R.-d.-L.)
| | - Santiago Ortiz-Pérez
- Department of Ophthalmology, Hospital Universitario Virgen de las Nieves, 18014 Granada, Spain; (C.G.-L.); (C.G.-H.); (J.-F.R.-L.); (S.O.-P.); (C.R.-d.-L.)
- Department of Surgery, Faculty of Medicine, University of Granada, 18010 Granada, Spain
| | - Carlos Rocha-de-Lossada
- Department of Ophthalmology, Hospital Universitario Virgen de las Nieves, 18014 Granada, Spain; (C.G.-L.); (C.G.-H.); (J.-F.R.-L.); (S.O.-P.); (C.R.-d.-L.)
- Department of Ophthalmology (Qvision), Vithas Almería, 04120 Almería, Spain
- Department of Ophthalmology, Ceuta Medical Center, 51001 Ceuta, Spain
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Lipiński PFJ, Matalińska J. Fentanyl Structure as a Scaffold for Opioid/Non-Opioid Multitarget Analgesics. Int J Mol Sci 2022; 23:ijms23052766. [PMID: 35269909 PMCID: PMC8910985 DOI: 10.3390/ijms23052766] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 02/28/2022] [Accepted: 03/01/2022] [Indexed: 11/16/2022] Open
Abstract
One of the strategies in the search for safe and effective analgesic drugs is the design of multitarget analgesics. Such compounds are intended to have high affinity and activity at more than one molecular target involved in pain modulation. In the present contribution we summarize the attempts in which fentanyl or its substructures were used as a μ-opioid receptor pharmacophoric fragment and a scaffold to which fragments related to non-opioid receptors were attached. The non-opioid ‘second’ targets included proteins as diverse as imidazoline I2 binding sites, CB1 cannabinoid receptor, NK1 tachykinin receptor, D2 dopamine receptor, cyclooxygenases, fatty acid amide hydrolase and monoacylglycerol lipase and σ1 receptor. Reviewing the individual attempts, we outline the chemistry, the obtained pharmacological properties and structure-activity relationships. Finally, we discuss the possible directions for future work.
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Montero Matamala A, Hanna M, Perrot S, Varrassi G. Avoid Postoperative Pain To Prevent Its Chronification: A Narrative Review. Cureus 2022; 14:e22243. [PMID: 35340463 PMCID: PMC8930466 DOI: 10.7759/cureus.22243] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 02/12/2022] [Indexed: 11/29/2022] Open
Abstract
Acute postoperative pain is a normal and expected part of the patient’s postsurgical trajectory, and its intensity, severity, and duration vary with surgery-related and patient factors. In a subset of patients, postoperative pain does not resolve as the tissue heals but instead transitions to chronic postoperative pain, a challenging condition to treat and one associated with decreased quality of life, sleep and mood disorders, and neuropathy. Promptly and adequately treating acute postoperative pain can reduce the risk that it will transition into chronic postoperative pain. Numerous agents are available that may help treat postoperative pain, including nonsteroidal anti-inflammatory drugs, opioids, antidepressants, anticonvulsants, and others. In this connection, it is also important to consider patient factors, such as mental health status and comorbidities, as well as the type and duration of surgery. A multimodal approach is recommended, which uses two or more agents with complementary mechanisms of action, working at different targets. Multimodal analgesia may also reduce adverse events and lessen opioid consumption after surgery. A particularly useful fixed-dose combination product is dexketoprofen/tramadol (DEX-TRA), which is safe and effective in numerous clinical trials. This review is based on a presentation from the Roma Pain Days scientific sessions of 2021.
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Influences of Gender on Intravenous Nalbuphine Actions After Major Abdominal Surgery: A Multicenter Study. Pain Ther 2021; 10:1215-1233. [PMID: 34110603 PMCID: PMC8586316 DOI: 10.1007/s40122-021-00277-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 05/27/2021] [Indexed: 12/21/2022] Open
Abstract
INTRODUCTION Nalbuphine, a synthetic kappa-opioid receptor (KOR) agonist and a partial µ-opioid receptor (MOR) antagonist, has been used for years as an effective analgesic. It has been shown to have a better safety profile than morphine. Considering the long history of use of this drug, it is interesting that only a limited amount of information exists on how gender differences influence nalbuphine responses. In this randomized double-blind comparative trial after major abdominal surgery, the analgesic effects of two doses of continuous intravenous infusion of nalbuphine were evaluated based on gender. METHODS Enrolled patients were divided into four groups (two females and two males with 32 patients in each group). Two of them (groups A1 and A2), one male and one female, received postoperative continuous intravenous infusions of nalbuphine at 2 mg/h via patient-controlled analgesia (PCA). Each patient had the potential of receiving a rescue bolus of 1 mg of nalbuphine with a lock out time of 15 min. The other two groups (groups B1 and B2) received half the infusion dose, 1 mg/h, and half the nalbuphine rescue dose with the PCA pump, 0.5 mg maximum every 15 min as needed. Patients' vital signs, numerical pain rating scores, rescue nalbuphine, and incidence of side effects were assessed immediately after the operation, and every 3 h during the first 12 h. RESULTS Nalbuphine 2 mg/h dosing led to significantly lower pain scores amongst females compared to males at 6, 9, and 12 h; while the 1 mg/h infusion pain scores were only lower at the 9-h time period. Females receiving the nalbuphine 2 mg dose at 6 h, and the 1 mg dose at 6, 9, and 12-h measurements needed significantly lower doses of rescue nalbuphine. Females on the 1 mg dose experienced significantly more nausea, vomiting, and sedation at the 6-, 9-, and 12-h measurement times. In the multivariate analysis, female gender was a negative predictor at all measurement times. CONCLUSIONS The current study supports the hypothesis that although nalbuphine was found to be an effective and well-tolerated analgesic after major abdominal surgery, females were statistically more responsive than males. TRIAL REGISTRATION The study was registered at the Pan African Clinical trials Registry PACTR201304000486309, and approved for the Ethical aspects.
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Abd-Elsayed A, Tang T, Karri J, Hughes M, Urits I, Gupta M, Pasqualucci A, Myrcik D, Varrassi G, Viswanath O. Neuromodulation for Pain Management in the Inpatient Setting: A Narrative Review. Cureus 2021; 13:e13892. [PMID: 33880248 PMCID: PMC8046682 DOI: 10.7759/cureus.13892] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 03/15/2021] [Indexed: 12/14/2022] Open
Abstract
Pain is highly prevalent and pharmacological therapy is not always efficacious. There are a few pathophysiological reasons to believe that neuromodulation would increase the rate of success of pain management. This review article is focused on that aspect, discussing non-invasive or minimally invasive neuromodulation techniques in both the inpatient and outpatient setting. This article provides an in-depth discussion of the multiple neuromodulation techniques available over time to be suitable and effective when used as analgesic therapies for chronic pain. We reviewed the literature and discussed all available neuromodulation options that were tested in the inpatient and outpatient setting. Neuromodulation plays a very important role in treating chronic pain in both inpatient and outpatient setting.
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Affiliation(s)
- Alaa Abd-Elsayed
- Anesthesiology and Pain Management, University of Wisconsin, Madison, USA
| | - Tuan Tang
- Anesthesiology and Critical Care, University of Texas at Houston, Houston, USA
| | - Jay Karri
- Anesthesiology, Baylor College of Medicine, Houston, USA
| | - Meghan Hughes
- Anesthesia, University of Wisconsin School of Medicine and Public Health, Madison, USA
| | - Ivan Urits
- Department of Anesthesia, Critical Care and Pain Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, USA
| | - Mayank Gupta
- Pain Management, Kansas City University of Medicine and Biosciences, Kansas City, USA
| | | | | | | | - Omar Viswanath
- Pain Management, Creighton University School of Medicine, Phoenix, USA
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Common Clinical Practice for Low Back Pain Treatment: A Modified Delphi Study. Pain Ther 2021; 10:589-604. [PMID: 33713307 PMCID: PMC8119580 DOI: 10.1007/s40122-021-00249-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/16/2021] [Indexed: 12/28/2022] Open
Abstract
INTRODUCTION Low back pain (LBP) is a common reason for adults to seek medical care and is associated with important functional limitation and patient burden. Yet, heterogeneity in the causes and presentation of LBP and a lack of standardization in its management impede effective prevention and treatment. METHODS We conducted a modified Delphi study to generate consensus statements for the diagnosis, management, and prognosis of LBP. A panel of five experts proposed 19 statements that were subsequently evaluated by physicians who treat LBP in their everyday clinical practice. Physicians were asked to validate statements in the form of a web survey assessing level of agreement on a five-point Likert-like scale. RESULTS Consensus (≥ 70% agreement) was obtained for all 19 statements. Strength of agreement and physician comments highlighted the importance of pain management, but also strategies to ameliorate functional limitation and prevent future LBP episodes. Respondents favored multidisciplinary approaches and multimodal management for LBP, although there was some ambiguity as to how multidisciplinary strategies could be feasibly incorporated into daily practice. Finally, the results indicated some conflict regarding the use of imaging for the diagnosis of LBP and how to classify LBP for targeted treatment. CONCLUSION The results of this study provide a summary of favored clinical practice for the management of chronic LBP. While the consensus statements were generally agreeable to survey respondents, some areas of ambiguity, including how to increase the feasibility of multidisciplinary strategies, when and how to use diagnostic imaging in LBP, and LBP classification, necessitate clarification in future studies and guidelines.
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Mi B, Li Q, Li T, Marshall J, Sai J. A network pharmacology study on analgesic mechanism of Yuanhu-Baizhi herb pair. BMC Complement Med Ther 2020; 20:284. [PMID: 32948176 PMCID: PMC7501664 DOI: 10.1186/s12906-020-03078-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2020] [Accepted: 09/13/2020] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Millions of people are suffering from chronic pain conditions, such as headache, arthritis, cancer. Apart from western medicines, traditional Chinese medicines are also well accepted for pain management, especially in Asian countries. Yuanhu-Baizhi herb pair (YB) is a typical herb pair applied to the treatment of stomach pain, hypochondriac pain, headache, and dysmenorrhea, due to its effects on analgesia and sedation. This study is to identify potentially active compounds and the underlying mechanisms of YB in the treatment of pain. METHODS Compounds in YB were collected from 3 online databases and then screened by bioavailability and drug likeness parameters. Swiss target prediction was applied to obtain targets information of the active compounds. Pain-related genes were conducted for Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis. Protein-protein interaction (PPI) networks of the genes were constructed using Cytoscape software. In addition, the hub genes were screened using maximal clique centrality (MCC) algorithm. RESULTS In total, 31 compounds from Yuanhu were screened out with 35 putative target genes, while 26 compounds in Baizhi with 43 target genes were discovered. Hence, 78 potential target genes of YB were selected for further study. After overlap analysis of the 78 genes of YB and 2408 pain-associated genes, we finally achieved 34 YB-pain target genes, as well as 10 hub genes and 23 core compounds. Go enrichment and KEGG pathway analysis indicated that YB had a strong integration with neuro system, which might significantly contribute to antinociceptive effect. CONCLUSION Our data provide deep understanding of the pharmacological mechanisms of YB in attenuating pain. The discovery shed new light on the development of active compounds of YB for the treatment of pain.
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Affiliation(s)
- Bobin Mi
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Qiushi Li
- Department of Cardiology, Beijing Chaoyang Integrative Medicine Emergency Medical Center, Beijing, 100029, China
| | - Tong Li
- Department of oncology, The Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, 100029, China
| | - Jessica Marshall
- Department of Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, 02115, Boston, MA, 02115, USA
| | - Jiayang Sai
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China. .,Department of oncology, The Third Affiliated Hospital, Beijing University of Chinese Medicine, Beijing, 100029, China.
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