{"title":"Corrigendum: Trigeminal somatosensation in the temporomandibular joint and associated disorders.","authors":"Sienna K Perry, Joshua J Emrick","doi":"10.3389/fpain.2024.1454278","DOIUrl":"https://doi.org/10.3389/fpain.2024.1454278","url":null,"abstract":"<p><p>[This corrects the article DOI: 10.3389/fpain.2024.1374929.].</p>","PeriodicalId":73097,"journal":{"name":"Frontiers in pain research (Lausanne, Switzerland)","volume":"5 ","pages":"1454278"},"PeriodicalIF":2.5,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11258022/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141735868","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alisa J Johnson, Jessica A Peterson, Heather K Vincent, Todd Manini, Yenisel Cruz-Almeida
{"title":"Body composition and body mass index are independently associated with widespread pain and experimental pain sensitivity in older adults: a pilot investigation.","authors":"Alisa J Johnson, Jessica A Peterson, Heather K Vincent, Todd Manini, Yenisel Cruz-Almeida","doi":"10.3389/fpain.2024.1386573","DOIUrl":"10.3389/fpain.2024.1386573","url":null,"abstract":"<p><strong>Introduction: </strong>Chronic musculoskeletal (MSK) pain is prevalent in older adults and confers significant risk for loss of independence and low quality of life. While obesity is considered a risk factor for developing chronic MSK pain, both high and low body mass index (BMI) have been associated with greater pain reporting in older adults. Measures of body composition that distinguish between fat mass and lean mass may help to clarify the seemingly contradictory associations between BMI and MSK pain in this at-risk group.</p><p><strong>Methods: </strong>Twenty-four older adults (mean age: 78.08 ± 5.1 years) completed dual-energy x-ray absorptiometry (DEXA), and pain measures (Graded Chronic Pain Scale, number of anatomical pain sites, pressure pain threshold, mechanical temporal summation). Pearson correlations and multiple liner regression examined associations between body mass index (BMI), body composition indices, and pain.</p><p><strong>Results: </strong>Significant positive associations were found between number of pain sites and BMI (<i>b = </i>0.37) and total fat mass (<i>b </i>= 0.42), accounting for age and sex. Total body lean mass was associated with pressure pain sensitivity (<i>b </i>= 0.65), suggesting greater lean mass is associated with less mechanical pain sensitivity.</p><p><strong>Discussion: </strong>The results from this exploratory pilot study indicate lean mass may provide additional resilience to maladaptive changes in pain processing in older adults, and highlights the importance of distinguishing body composition indices from overall body mass index to better understand the complex relationship between obesity and MSK pain in older adults.</p>","PeriodicalId":73097,"journal":{"name":"Frontiers in pain research (Lausanne, Switzerland)","volume":"5 ","pages":"1386573"},"PeriodicalIF":2.5,"publicationDate":"2024-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11250474/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141629373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Paolo Bossi, Tatiana Pietrzyńska, César Margarit Ferri, Irene Mansilla, Valeria Tellone, Sara Fioravanti, Giorgio Di Loreto, Alessandro Comandini
{"title":"Compliance with the breakthrough cancer pain European guidelines and impact on patients' quality of life: an observational prospective study.","authors":"Paolo Bossi, Tatiana Pietrzyńska, César Margarit Ferri, Irene Mansilla, Valeria Tellone, Sara Fioravanti, Giorgio Di Loreto, Alessandro Comandini","doi":"10.3389/fpain.2024.1388837","DOIUrl":"10.3389/fpain.2024.1388837","url":null,"abstract":"<p><strong>Introduction: </strong>This study aimed to assess the percentage of patients treated according to the European Society for Medical Oncology (ESMO) 2018 guidelines for breakthrough cancer pain (BTcP) and the impact of guidelines adherence on patients' quality of life (QoL).</p><p><strong>Methods: </strong>Adult opioid-tolerant patients diagnosed with BTcP and locally advanced or recurrent metastatic cancer with a life expectancy of >3 months prospectively were included. Patients were followed up for 28 days.</p><p><strong>Results: </strong>Of 127 patients included, 37 were excluded due to the impossibility to establish adherence to the ESMO guidelines. Among the evaluable patients [51.1% female; with mean (SD) age of 66.4 (11.8) years], all were adherent. BTcP was diagnosed by the Association for Palliative Medicine algorithm in 47.8% of patients and by clinical experience in 52.2% of patients. The mean number of daily BTcP episodes ranged between 1 and 8, with a mean (95% CI) severity of 7.3 (7.0; 7.6) at week 0 and 6.2 (5.8; 6.6) at week 4. Time to maximum pain intensity was 3-15 min in 52.2% of patients, and BTcP lasted 30-60 min in 14.4% of patients at week 0 and 4.4% of patients at week 4. Mean (95% CI) treatment effectiveness was 6.6 (6.1; 7.1) at week 0 and 7.4 (7.0; 7.8) at week 4. Median (Q1-Q3) patients' global impression of clinical condition was 4.0 (4.0-4.0) at week 0 and 3.0 (2.0-3.0) at week 4.</p><p><strong>Conclusion: </strong>A clear BTcP assessment and strict follow-up could be crucial to guidelines adherence and for patient's QoL.</p>","PeriodicalId":73097,"journal":{"name":"Frontiers in pain research (Lausanne, Switzerland)","volume":"5 ","pages":"1388837"},"PeriodicalIF":2.5,"publicationDate":"2024-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11239570/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141617761","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Panjamurthy Kuppusamy, Md Mamunul Haque, Richard J Traub, Ohannes K Melemedjian
{"title":"Targeting metabolic pathways alleviates bortezomib-induced neuropathic pain without compromising anticancer efficacy in a sex-specific manner.","authors":"Panjamurthy Kuppusamy, Md Mamunul Haque, Richard J Traub, Ohannes K Melemedjian","doi":"10.3389/fpain.2024.1424348","DOIUrl":"10.3389/fpain.2024.1424348","url":null,"abstract":"<p><strong>Introduction: </strong>Chemotherapy-induced peripheral neuropathy (CIPN) is a debilitating side effect of cancer treatment that significantly impacts patients' quality of life. This study investigated the effects of targeting metabolic pathways on bortezomib-induced neuropathic pain and tumor growth using a Lewis lung carcinoma (LLC) mouse model, while exploring potential sex differences.</p><p><strong>Methods: </strong>Male and female C57BL/6J mice were implanted with LLC cells and treated with bortezomib alone or in combination with metformin, dichloroacetate (DCA), or oxamate. Tactile allodynia was assessed using von Frey filaments. Tumor volume and weight were measured to evaluate tumor growth.</p><p><strong>Results: </strong>Metformin, DCA, and oxamate effectively attenuated bortezomib-induced neuropathic pain without compromising the anticancer efficacy of bortezomib in both male and female mice. The LLC model exhibited a paraneoplastic neuropathy-like phenotype. Significant sex differences were observed, with male mice exhibiting larger tumors compared to females. Oxamate was more effective in alleviating allodynia in males, while metformin and DCA showed greater efficacy in reducing tumor growth in females.</p><p><strong>Discussion: </strong>Targeting metabolic pathways can alleviate CIPN without interfering with bortezomib's anticancer effects. The LLC model may serve as a tool for studying paraneoplastic neuropathy. Sex differences in tumor growth and response to metabolic interventions highlight the importance of considering sex as a biological variable in preclinical and clinical studies investigating cancer biology, CIPN, and potential therapeutic interventions.</p>","PeriodicalId":73097,"journal":{"name":"Frontiers in pain research (Lausanne, Switzerland)","volume":"5 ","pages":"1424348"},"PeriodicalIF":2.5,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11228363/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141560468","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The effect of EMS, IFC, and TENS on patient-reported outcome measures for chronic low back pain: a systematic review and meta-analysis.","authors":"Daniel Wolfe, Brent Rosenstein, Maryse Fortin","doi":"10.3389/fpain.2024.1346694","DOIUrl":"10.3389/fpain.2024.1346694","url":null,"abstract":"<p><strong>Introduction: </strong>Chronic low back pain (CLBP) is the leading cause of years lived with disability worldwide. Transcutaneous electrotherapies have been widely used to treat CLBP but, with the partial exception of transcutaneous electrical nerve stimulation (TENS), their effect on pain, disability, quality-of-life, and psychosocial outcomes have not been systematically reviewed. The purpose of this systematic review and meta-analysis was to clarify the overall effect of transcutaneous electrotherapies on patient-reported outcome measures (PROMs) in CLBP patients.</p><p><strong>Methods: </strong>Four databases and two study registries were searched for studies that utilized transcutaneous electrotherapies as a primary intervention for CLBP, compared against active or passive controls. Two reviewers independently extracted study data and assessed risk of bias. Studies were grouped by intervention vs. comparison, and by time of follow-up. Meta-analyses were conducted where appropriate.</p><p><strong>Results: </strong>A total of 89 full-text were assessed for eligibility; 14 studies were included, with 6 in the meta-analyses (all TENS or mixed TENS). Pain: meta-analyses revealed no significant difference for TENS vs. active control, TENS vs. passive control, or mixed TENS vs. active control at post-intervention, nor for mixed TENS vs. active control at 1-month post-intervention. Interferential current (IFC) was more effective than active control (2 studies), while electromyostimulation (EMS) was generally superior to passive, but not active, controls (6 studies).</p><p><strong>Disability: </strong>Meta-analyses revealed no significant difference for TENS vs. active control at post-intervention, mixed TENS vs. active control at post-intervention, or mixed TENS vs. active control at 1-month post-intervention. IFC was more effective than active control (2 studies), while the EMS results were mixed (6 studies). We were unable to perform meta-analyses for quality-of-life or psychosocial outcomes.</p><p><strong>Conclusion: </strong>There is <i>moderate</i> evidence that TENS is similar to all controls for improving pain and disability. There is <i>limited</i> evidence that IFC is superior to active controls for improving pain and disability. There is <i>limited</i> evidence that EMS is superior to passive but not active controls for improving pain, and similar to all controls for improving disability.</p><p><strong>Systematic review registration: </strong>https://www.crd.york.ac.uk/prospero/display_record.php?RecordID=452851, Identifier (CRD42023452851).</p>","PeriodicalId":73097,"journal":{"name":"Frontiers in pain research (Lausanne, Switzerland)","volume":"5 ","pages":"1346694"},"PeriodicalIF":2.5,"publicationDate":"2024-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11228365/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141560469","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Editorial: Insight in pediatric pain - 2023.","authors":"Anthony Herbert, Michael P Jankowski","doi":"10.3389/fpain.2024.1437873","DOIUrl":"10.3389/fpain.2024.1437873","url":null,"abstract":"","PeriodicalId":73097,"journal":{"name":"Frontiers in pain research (Lausanne, Switzerland)","volume":"5 ","pages":"1437873"},"PeriodicalIF":2.5,"publicationDate":"2024-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11224511/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141556054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Vaidehi V Paranjape, Heather K Knych, Londa J Berghaus, Shyla Giancola, Jessica Cathcart, Rachel A Reed
{"title":"Plasma concentrations of buprenorphine administered via matrix-type transdermal patches applied at three different anatomical locations in healthy adult horses.","authors":"Vaidehi V Paranjape, Heather K Knych, Londa J Berghaus, Shyla Giancola, Jessica Cathcart, Rachel A Reed","doi":"10.3389/fpain.2024.1390322","DOIUrl":"10.3389/fpain.2024.1390322","url":null,"abstract":"<p><strong>Background: </strong>Anatomical location-dependent differences in transdermal opioid penetration are well described in human patients. Although this has been investigated in horses with fentanyl, there is no literature available on location-dependent plasma buprenorphine concentrations when administered as a transdermal matrix-type patch.</p><p><strong>Objective: </strong>This study aims to compare the plasma concentrations achieved from the matrix-type transdermal buprenorphine patches placed at different anatomical sites (metacarpus, gaskin, and ventral tail base) in healthy adult horses.</p><p><strong>Study design: </strong>This is a randomized experimental study with a Latin square design.</p><p><strong>Methods: </strong>Six adult horses were given each of three treatments with a minimum 10-day washout period. For each treatment, two 20 μg h<sup>-1</sup> matrix-type buprenorphine patches were applied to the ventral aspect of the tail base (Tail<sub>TDP</sub>), metacarpus region (Metacarpus<sub>TDP</sub>), or gaskin region (Gaskin<sub>TDP</sub>). Whole blood samples (for determination of buprenorphine concentration) and physiological variables were collected before (0 h) and at 0.5, 2, 4, 6, 8, 10, 12, 16, 24, 32, 48, 56, 72, 96 and 120 h after patches were applied. The patches were removed 96 h following placement and were analyzed for residual buprenorphine content. Buprenorphine concentrations were measured in plasma by LC-MS/MS. A mixed-effects model was used to analyze the physiological variables.</p><p><strong>Results: </strong>Between the three treatment groups, there was no change in physiological variables across timepoints as compared to baseline and when compared to each other in a single horse and between horses (<i>p</i> > 0.3). When comparing all three locations, the buprenorphine uptake was observed to be more consistent with respect to measurable plasma concentrations >0.1 ng ml<sup>-1</sup> when applied to the ventral aspect of the tail base. In the Tail<sub>TDP</sub> group, the mean plasma buprenorphine concentrations were >0.1 ng ml<sup>-1</sup> from 2 to 32 h. The highest group mean was 0.25 ng ml<sup>-1</sup> noted at 4 h.</p><p><strong>Conclusions: </strong>The metacarpal and gaskin regions presented more erratic and inconsistent buprenorphine uptake and plasma concentrations as compared to the ventral aspect of the tail base. Further research must be directed at investigating the optimal dose, achievable duration of analgesia, change in measurable plasma concentrations, and behavioral and systemic effects.</p>","PeriodicalId":73097,"journal":{"name":"Frontiers in pain research (Lausanne, Switzerland)","volume":"5 ","pages":"1390322"},"PeriodicalIF":2.5,"publicationDate":"2024-06-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11220193/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141499778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sunil Paudel, Chethana A M Paudel, Karishma Silwal
{"title":"Case Report: Integrative naturopathic approach for the management of sequestered lumbar disc herniation with neurological impairments: a case series with two year follow up.","authors":"Sunil Paudel, Chethana A M Paudel, Karishma Silwal","doi":"10.3389/fpain.2024.1367683","DOIUrl":"10.3389/fpain.2024.1367683","url":null,"abstract":"<p><p>Lumbar Disc Herniation (LDH) is a common condition, and contemporary pain research emphasizes the importance of adopting a comprehensive biopsychosocial perspective in pain treatment for positive clinical outcomes. Integrated Naturopathy and Yoga (INY) is a non-invasive medical system that takes a holistic and patient-centric approach to healing diseases. However, there is limited evidence on the effectiveness of INY, particularly in managing Sequestered LDH. We present two cases of patients experiencing radicular low back pain, lower limb weakness, and neuro-claudication who opted for conservative naturopathic management with INY. Following the INY treatments, both patients reported gradual relief from lower back pain, radicular pain, and neurological deficits. These findings are significant and contribute valuable evidence, suggesting that INY could be a viable therapeutic approach for managing sequestered LDH. This represents the first report on a non-invasive method for resolving sequestered LDH by utilizing INY.</p>","PeriodicalId":73097,"journal":{"name":"Frontiers in pain research (Lausanne, Switzerland)","volume":"5 ","pages":"1367683"},"PeriodicalIF":0.0,"publicationDate":"2024-05-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11176481/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141332587","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Mark I Johnson, Antonio Bonacaro, Emmanouil Georgiadis, James Woodall
{"title":"Editorial: Non-biomedical perspectives on pain and its prevention and management.","authors":"Mark I Johnson, Antonio Bonacaro, Emmanouil Georgiadis, James Woodall","doi":"10.3389/fpain.2024.1404074","DOIUrl":"10.3389/fpain.2024.1404074","url":null,"abstract":"","PeriodicalId":73097,"journal":{"name":"Frontiers in pain research (Lausanne, Switzerland)","volume":"5 ","pages":"1404074"},"PeriodicalIF":0.0,"publicationDate":"2024-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11169860/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141319082","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Should cancer pain still be considered a separate category alongside acute pain and chronic non-cancer pain? Reflections on ICD-11.","authors":"Emmanuel Bäckryd","doi":"10.3389/fpain.2024.1397413","DOIUrl":"https://doi.org/10.3389/fpain.2024.1397413","url":null,"abstract":"<p><strong>Introduction: </strong>Traditionally, cancer pain has often been viewed as an independent third major category in pain medicine alongside acute pain and chronic non-cancer pain. However, the new chronic pain category MG30 in the eleventh version of International Classification of Diseases (ICD-11) includes cancer-related pain as one of its seven subgroups. In light of this, the aim of the paper is to investigate whether the traditional trichotomy should be replaced by a dichotomy between acute pain and chronic pain, cancer-related pain being part of both groups depending on the duration of pain.</p><p><strong>Methods: </strong>The rationale for viewing cancer pain as a separate category is reviewed.</p><p><strong>Results: </strong>Cancer being a deadly disease, cancer pain has a life-and-death and existential dimension that is different from non-cancer pain. It seems sensible to believe that this is an additional dimension to the suffering caused by cancer pain, and that clinicians should therefore take this existential dimension into consideration when assessing pain.</p><p><strong>Conclusion: </strong>Without challenging the place of chronic cancer-related pain under the MG30 heading, it is concluded that while using ICD-11 in the future, pain clinicians should continue being mindful of the fact that the reality of death shapes the experience of cancer pain. The traditional trichotomy is therefore still valid and mirrors the fact that human beings are <i>vulnerable</i> (acute pain), <i>temporal</i> (chronic pain) and <i>mortal</i> (cancer pain).</p>","PeriodicalId":73097,"journal":{"name":"Frontiers in pain research (Lausanne, Switzerland)","volume":"5 ","pages":"1397413"},"PeriodicalIF":0.0,"publicationDate":"2024-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11096455/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140960436","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}