{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,24]],"date-time":"2026-06-24T05:46:43Z","timestamp":1782280003364,"version":"3.54.5"},"reference-count":42,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2025,9,15]],"date-time":"2025-09-15T00:00:00Z","timestamp":1757894400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2025,9,15]],"date-time":"2025-09-15T00:00:00Z","timestamp":1757894400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["European Journal of Pain"],"published-print":{"date-parts":[[2025,10]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Chronic overlapping pain conditions (COPCs) are a constellation of disorders posited to share an underlying pain mechanism (nociplastic pain). Unfortunately, individuals with COPCs are under\u2010represented in clinical research. The current study aimed to determine COPC prevalence among participants enrolled in a pragmatic clinical trial and compare those with COPCs to those with non\u2010COPCs across several domains.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Learning to Apply Mindfulness to Pain (LAMP) study baseline data of veterans with chronic pain (\n                      <jats:italic>N<\/jats:italic>\n                      \u2009=\u2009811) were utilised. COPC diagnoses were determined using ICD\u201010 codes within electronic health records. Group differences across pain and functioning\u2010related domains were compared with and without adjustment for age and gender.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Among participants with COPCs (54%), most were diagnosed with only one COPC (74%). Chronic lower back pain (71%) and migraine (28%) were the most common. Participants with COPCs were younger and more likely to be female relative to those with non\u2010COPCs. The COPC subset was also more likely to be diagnosed with PTSD, depressive disorders and sleep disorders (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). Those with COPCs also reported greater pain severity and interference, more impaired health\u2010related quality of life, greater pain catastrophising and lower pain self\u2010efficacy than participants without COPCs (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>COPCs were common among a sample of veterans in a pragmatic clinical trial. Several baseline differences emerged indicating veterans with COPCs experience greater mental health concerns and endorse distinct pain characteristics and pain mediators. Future research is needed to further characterise this recently defined and under\u2010represented group.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Significance Statement<\/jats:title>\n                    <jats:p>Individuals with COPCs are medically complex, yet are understudied and underrepresented within pain trials research. COPCs, which predominantly impact women, are also understudied within U.S. veterans. Our findings highlight how veterans with COPCs are participating in clinical research even when interventions are not tailored to their unique characteristics. Our work also contributes to a nuanced understanding of this disease burden and is among the first to describe differences among veterans with COPCs and veterans with chronic pain but without COPCs.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ejp.70125","type":"journal-article","created":{"date-parts":[[2025,9,15]],"date-time":"2025-09-15T09:02:11Z","timestamp":1757926931000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Differences Among Veterans With Chronic Overlapping Pain Conditions and Other Chronic Pain: Baseline Results From the\n                    <scp>LAMP<\/scp>\n                    Pain Management Trial"],"prefix":"10.1002","volume":"29","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1468-789X","authenticated-orcid":false,"given":"Jenna L.","family":"Adamowicz","sequence":"first","affiliation":[{"name":"Pain Research, Informatics, Multi\u2010Morbidities, and Education Center (PRIME) Center, VA Connecticut Healthcare System: West Haven (VACT)  West Haven Connecticut USA"},{"name":"Department of Psychiatry Yale School of Medicine  New Haven Connecticut USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-7601-6449","authenticated-orcid":false,"given":"Alexis","family":"Grant","sequence":"additional","affiliation":[{"name":"Pain Research, Informatics, Multi\u2010Morbidities, and Education Center (PRIME) Center, VA Connecticut Healthcare System: West Haven (VACT)  West Haven Connecticut USA"},{"name":"Department of Internal Medicine Yale School of Medicine  New Haven Connecticut USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Collin","family":"Calvert","sequence":"additional","affiliation":[{"name":"VA Health Service Research &amp; Development (HSR&amp;D) Center for Care Delivery and Outcomes Research (CCDOR), Minneapolis VA Health Care System (VAHCS)  Minneapolis Minnesota USA"},{"name":"Department of Medicine University of Minnesota Medical School  Minneapolis Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3393-5406","authenticated-orcid":false,"given":"Daniel","family":"Elchert","sequence":"additional","affiliation":[{"name":"VA Health Service Research &amp; Development (HSR&amp;D) Center for Care Delivery and Outcomes Research (CCDOR), Minneapolis VA Health Care System (VAHCS)  Minneapolis Minnesota USA"},{"name":"Center for Learning Health System Sciences University of Minnesota Medical School  Minneapolis Minnesota USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0513-4609","authenticated-orcid":false,"given":"Katherine","family":"Hadlandsmyth","sequence":"additional","affiliation":[{"name":"Center for Access and Delivery Research and Evaluation (CADRE), Iowa City VA Healthcare System  Iowa City Iowa USA"},{"name":"Office of Rural Health, Veterans Rural Health Resource Center (VRHRC), Iowa City VA Healthcare System  Iowa City Iowa USA"},{"name":"Department of Anesthesia University of Iowa, Carver College of Medicine  Iowa City Iowa USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mary A.","family":"Driscoll","sequence":"additional","affiliation":[{"name":"Pain Research, Informatics, Multi\u2010Morbidities, and Education Center (PRIME) Center, VA Connecticut Healthcare System: West Haven (VACT)  West Haven Connecticut USA"},{"name":"Department of Psychiatry Yale School of Medicine  New Haven Connecticut USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stephanie L.","family":"Taylor","sequence":"additional","affiliation":[{"name":"VA Health Service Research &amp; 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