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Schwandt ML, Ramchandani VA, Upadhyay J, Ramsden C, Diazgranados N, Goldman D. Pain in alcohol use disorder: Evaluating effects of childhood trauma, perceived stress, and psychological comorbidity. Alcohol 2024; 117:43-54. [PMID: 38537764 PMCID: PMC11042973 DOI: 10.1016/j.alcohol.2024.03.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/18/2024] [Accepted: 03/24/2024] [Indexed: 04/05/2024]
Abstract
The relationship between pain and alcohol use disorder (AUD) is complex and bidirectional. The current study examines risk factors for pain in a large comprehensively phenotyped sample including individuals from across the spectrum of alcohol use and misuse. Participants (n = 1101) were drawn from the National Institute on Alcohol Abuse and Alcoholism Natural History Protocol and included treatment-seeking AUD inpatients (AUD+Tx, n = 369), individuals with AUD not seeking treatment (AUD+, n = 161), and individuals without AUD (AUD-, n = 571). General linear models were utilized to test the effects of AUD status, history of childhood trauma exposure, perceived stress, and psychological comorbidity on daily percent time in pain, as well as change in daily percent time in pain across the inpatient stay in AUD+Tx individuals. Overall, 60.2% individuals reported any pain, with a significantly higher prevalence in the AUD+Tx group (82.1%) compared to the AUD+ (56.5%) and AUD- (47.1%) groups. Daily percent time in pain was also highest in the AUD+Tx group (30.2%) and was further increased in those with a history of childhood abuse and comorbid posttraumatic stress disorder (PTSD). Years of heavy drinking and craving were also associated with increased percent time in pain in the AUD+Tx group. Percent time in pain decreased following acute withdrawal in the AUD+Tx group but plateaued around 25% just prior to discharge. Individuals seeking inpatient treatment for AUD, especially those with a history of childhood trauma and/or comorbid PTSD, report greater percent time in pain compared to those not seeking treatment and those without AUD. The prolonged experience of pain in abstinent AUD inpatients after the resolution of acute withdrawal may signal the early stages of protracted withdrawal. Integrative treatments targeting pain and other symptoms of protracted withdrawal may be effective in improving overall function in people with severe AUD.
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Affiliation(s)
- M L Schwandt
- Office of the Clinical Director, National Institute on Alcoholism and Alcohol Abuse (NIAAA), Bethesda, MD, USA.
| | - V A Ramchandani
- Human Psychopharmacology Laboratory, NIAAA, Bethesda, MD, USA
| | - J Upadhyay
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA; Department of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA
| | - C Ramsden
- Laboratory of Clinical Investigation, National Institute on Aging, Baltimore, MD, USA
| | - N Diazgranados
- Office of the Clinical Director, National Institute on Alcoholism and Alcohol Abuse (NIAAA), Bethesda, MD, USA
| | - D Goldman
- Office of the Clinical Director, National Institute on Alcoholism and Alcohol Abuse (NIAAA), Bethesda, MD, USA; Laboratory of Neurogenetics, NIAAA, Rockville, MD, USA
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Simic K, Savic B, Knezevic NN. Pain Catastrophizing: How Far Have We Come. Neurol Int 2024; 16:483-501. [PMID: 38804476 PMCID: PMC11130925 DOI: 10.3390/neurolint16030036] [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: 03/13/2024] [Revised: 04/19/2024] [Accepted: 04/24/2024] [Indexed: 05/29/2024] Open
Abstract
The perception of pain is strongly influenced by various social, emotional, and cognitive factors. A psychological variable which has consistently been shown to exert its influence on pain is a cognitive process referred to as pain catastrophizing. Numerous studies have found it to be a strong predictor of pain intensity and disability across different clinical populations. It signifies a maladaptive response to pain marked by an exaggerated negative assessment, magnification of symptoms related to pain, and, in general, a tendency to experience marked pain-related worry, as well as experiencing feelings of helplessness when it comes to dealing with pain. Pain catastrophizing has been correlated to many adverse pain-related outcomes, including poor treatment response, unsatisfactory quality of life, and high disability related to both acute and chronic pain. Furthermore, there has been consistent evidence in support of a correlation between pain catastrophizing and mental health disorders, such as anxiety and depression. In this review, we aim to provide a comprehensive overview of the current state of knowledge regarding pain catastrophizing, with special emphasis on its clinical significance, and emerging treatment modalities which target it.
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Affiliation(s)
- Katarina Simic
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, IL 60657, USA; (K.S.); (B.S.)
| | - Boris Savic
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, IL 60657, USA; (K.S.); (B.S.)
| | - Nebojsa Nick Knezevic
- Department of Anesthesiology, Advocate Illinois Masonic Medical Center, Chicago, IL 60657, USA; (K.S.); (B.S.)
- Department of Anesthesiology, University of Illinois, Chicago, IL 60612, USA
- Department of Surgery, University of Illinois, Chicago, IL 60612, USA
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3
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Beasley MM, Amantini S, Gunawan T, Silberberg A, Kearns DN. Cocaine and heroin interact differently with nondrug reinforcers in a choice situation. Exp Clin Psychopharmacol 2024; 32:158-172. [PMID: 37535523 PMCID: PMC10837314 DOI: 10.1037/pha0000674] [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] [Indexed: 08/05/2023]
Abstract
The present study used a rat choice model to test how cocaine or heroin economically interacted with two different nondrug reinforcers along the substitute-to-complement continuum. In Experiment 1, the nondrug alternative was the negative reinforcer timeout-from-avoidance (TOA)-that is, rats could press a lever to obtain a period of safety from footshock. One group of rats chose between cocaine and TOA and another group chose between heroin and TOA. The relative prices of the reinforcers were manipulated across phases while controlling for potential income effects. When cocaine was the reinforcer, rats reacted to price changes by increasing their allocation of behavior to the more expensive option, thereby maintaining relatively proportional intake of cocaine and TOA reinforcers across prices, suggesting these reinforcers were complements here. In contrast, when heroin became relatively cheap, rats increased allocation of income to heroin and decreased allocation of income to TOA, suggesting that heroin substituted for safety. Additionally, rats were willing to accept more footshocks when heroin was easily available. In Experiment 2, the nondrug alternative was saccharin, a positive reinforcer. Heroin and saccharin were complements, but there was no consistent effect of price changes on the allocation of behavior between cocaine and saccharin. As a model of the processes that could be involved in human drug use, these results show that drug-taking behavior depends on the type of drug, the type of nondrug alternative available, and the prices of both. (PsycInfo Database Record (c) 2024 APA, all rights reserved).
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Affiliation(s)
| | - Sarah Amantini
- Psychology Department, American University, Washington, DC
| | - Tommy Gunawan
- Human Psychopharmacology Laboratory, NIAAA/NIH, Bethesda, MD
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Moyo P, Merlin JS, George M, Shireman TI, Marshall BD. Association of Opioid Use Disorder Diagnosis With Use of Physical Therapy and Chiropractic Care Among Chronic Low Back Pain Patients: A Group-Based Trajectory Analysis. THE JOURNAL OF PAIN 2024; 25:742-754. [PMID: 37820847 PMCID: PMC10922407 DOI: 10.1016/j.jpain.2023.10.003] [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: 06/07/2023] [Revised: 10/05/2023] [Accepted: 10/06/2023] [Indexed: 10/13/2023]
Abstract
Nonpharmacologic approaches are recommended as first-line treatment for chronic pain, and their importance is heightened among individuals with co-occurring opioid use disorder (OUD), in whom opioid therapies may be particularly detrimental. Our objectives were to assess the receipt and trajectories of nonpharmacologic pain treatment and determine the association of OUD diagnosis with these trajectories. This retrospective cohort study used Medicare claims data from 2016 to 2018 and applied group-based trajectory models to identify distinct patterns of physical therapy (PT) or chiropractic care treatment over the 12 months following a new episode of chronic low back pain. We used logistic regression models to estimate the association of co-occurring OUD with group membership in PT and chiropractic trajectories. Our sample comprised 607,729 beneficiaries at least 18 years of age, of whom 11.4% had a diagnosis of OUD. The 12-month prevalence of PT and chiropractic treatment receipt was 24.7% and 27.1%, respectively, and lower among Medicare beneficiaries with co-occurring OUD (PT: 14.6%; chiropractic: 6.8%). The final models identified 3 distinct trajectories each for PT (no/little use [76.6% of sample], delayed and increasing use [8.2%], and early and declining use [15.2%]); and chiropractic (no/little use [75.0% of sample], early and declining use [17.3%], and early and sustained use [7.7%]). People with OUD were more likely to belong in trajectories with little/no PT or chiropractic care as compared to other trajectories. The findings indicate that people with co-occurring chronic pain and OUD often do not receive early or any nonpharmacologic pain therapies as recommended by practice guidelines. PERSPECTIVE: PT and chiropractic care use were low overall and even lower among Medicare beneficiaries with co-occurring OUD compared with those without OUD. As updated guidelines on pain management are promulgated, targeted interventions (eg, insurance policy, provider, and patient education) are needed to ensure equitable access to guideline-recommended pain therapies.
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Affiliation(s)
- Patience Moyo
- Brown University School of Public Health, Department of Health Services, Policy, and Practice, Providence, RI, USA
| | - Jessica S. Merlin
- Challenges in Managing and Preventing Pain Clinical Research Center, Division of General Internal Medicine, University of Pittsburgh, PA, USA
| | - Miriam George
- Brown University School of Public Health, Department of Health Services, Policy, and Practice, Providence, RI, USA
| | - Theresa I. Shireman
- Brown University School of Public Health, Department of Health Services, Policy, and Practice, Providence, RI, USA
| | - Brandon D.L. Marshall
- Brown University School of Public Health, Department of Epidemiology, Providence, RI, USA
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Brice-Tutt AC, Montgomery DS, Kramer CM, Novotny PM, Malphurs WL, Sharma A, Caudle RM, Bruijnzeel AW, Setlow B, Neubert JK, Murphy NP. An ethogram analysis of cutaneous thermal pain sensitivity and oxycodone reward-related behaviors in rats. Sci Rep 2023; 13:10482. [PMID: 37380739 PMCID: PMC10307779 DOI: 10.1038/s41598-023-36729-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 06/08/2023] [Indexed: 06/30/2023] Open
Abstract
Inter-relationships between pain sensitivity, drug reward, and drug misuse are of considerable interest given that many analgesics exhibit misuse potential. Here we studied rats as they underwent a series of pain- and reward-related tests: cutaneous thermal reflex pain, induction and extinction of conditioned place preference to oxycodone (0.56 mg/kg), and finally the impact of neuropathic pain on reflex pain and reinstatement of conditioned place preference. Oxycodone induced a significant conditioned place preference that extinguished throughout repeated testing. Correlations identified of particular interest included an association between reflex pain and oxycodone-induced behavioral sensitization, and between rates of behavioral sensitization and extinction of conditioned place preference. Multidimensional scaling analysis followed by k-clustering identified three clusters: (1) reflex pain, rate of behavioral sensitization and rate of extinction of conditioned place preference (2) basal locomotion, locomotor habituation, acute oxycodone-stimulated locomotion and rate of change in reflex pain during repeated testing, and (3) magnitude of conditioned place preference. Nerve constriction injury markedly enhanced reflex pain but did not reinstate conditioned place preference. These results suggest that high rates of behavioral sensitization predicts faster rates of extinction of oxycodone seeking/reward, and suggest that cutaneous thermal reflex pain may be predictive of both.
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Affiliation(s)
| | | | - Cassidy M Kramer
- Departments of Orthodontics, University of Florida, Gainesville, FL, USA
| | - Peter M Novotny
- Departments of Orthodontics, University of Florida, Gainesville, FL, USA
| | - Wendi L Malphurs
- Departments of Orthodontics, University of Florida, Gainesville, FL, USA
| | - Abhisheak Sharma
- Department of Pharmaceutics, University of Florida, Gainesville, FL, USA
| | - Robert M Caudle
- Department of Oral and Maxillofacial Surgery, University of Florida, Gainesville, FL, USA
| | - Adriaan W Bruijnzeel
- Department of Psychiatry, University of Florida, Gainesville, FL, USA
- Center for Addiction Research and Education, University of Florida, Gainesville, FL, USA
| | - Barry Setlow
- Department of Psychiatry, University of Florida, Gainesville, FL, USA
- Center for Addiction Research and Education, University of Florida, Gainesville, FL, USA
| | - John K Neubert
- Departments of Orthodontics, University of Florida, Gainesville, FL, USA
| | - Niall P Murphy
- Departments of Orthodontics, University of Florida, Gainesville, FL, USA.
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Barattini AE, Montanari C, Edwards KN, Edwards S, Gilpin NW, Pahng AR. Chronic inflammatory pain promotes place preference for fentanyl in male rats but does not change fentanyl self-administration in male and female rats. Neuropharmacology 2023; 231:109512. [PMID: 36948356 PMCID: PMC10786182 DOI: 10.1016/j.neuropharm.2023.109512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 03/06/2023] [Accepted: 03/18/2023] [Indexed: 03/24/2023]
Abstract
The current opioid epidemic is a national health crisis marked by skyrocketing reports of opioid misuse and overdose deaths. Despite the risks involved, prescription opioid analgesics are the most powerful and effective medications for treating pain. There is a clear need to investigate the risk of opioid misuse liability in male and female adults experiencing chronic pain. In the present study, we tested the hypothesis that chronic inflammatory pain would increase fentanyl intake, motivation to acquire fentanyl, and drug seeking in the absence of fentanyl in rats. Fentanyl intake, motivation for fentanyl, and drug seeking were tested under limited and extended access conditions using intravenous fentanyl self-administration. Fos activity in ventral tegmental area (VTA) dopamine neurons following intravenous fentanyl challenge (35 μg/kg) was examined using immunohistochemistry. Finally, we tested whether low-dose fentanyl supports development of conditioned place preference under an inflammatory pain state in rats. Contrary to our hypothesis, fentanyl self-administration and VTA Fos activity were unaffected by inflammatory pain status. During acquisition, males exhibited increased fentanyl intake compared to females. Animals given extended access to fentanyl escalated fentanyl intake over time, while animals given limited access did not. Males given extended access to fentanyl demonstrated a greater increase in fentanyl intake over time compared to females. During the dose-response test, females given limited access to fentanyl demonstrated increased motivation to acquire fentanyl compared to males. Both sexes displayed significant increases in responding for fentanyl as unit fentanyl doses were lowered. Following fentanyl challenge, females exhibited higher numbers of Fos-positive non-dopaminergic VTA neurons compared to males. Using conditioned place preference, we found that chronic inflammatory pain promotes fentanyl preference in males, but not females. These findings suggest that established fentanyl self-administration is resistant to change by inflammatory pain manipulation in both sexes, but chronic inflammatory pain increases the rewarding properties of low-dose fentanyl in males.
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Affiliation(s)
- Angela E Barattini
- Department of Physiology, LSU Health Sciences Center, New Orleans, LA, United States; Alcohol & Drug Abuse Center of Excellence, LSU Health Sciences Center, New Orleans, LA, United States; Southeast Louisiana Veterans Health Care System, New Orleans, LA, United States
| | - Christian Montanari
- Department of Physiology, LSU Health Sciences Center, New Orleans, LA, United States; Alcohol & Drug Abuse Center of Excellence, LSU Health Sciences Center, New Orleans, LA, United States; Southeast Louisiana Veterans Health Care System, New Orleans, LA, United States
| | - Kimberly N Edwards
- Department of Physiology, LSU Health Sciences Center, New Orleans, LA, United States; Alcohol & Drug Abuse Center of Excellence, LSU Health Sciences Center, New Orleans, LA, United States
| | - Scott Edwards
- Department of Physiology, LSU Health Sciences Center, New Orleans, LA, United States; Alcohol & Drug Abuse Center of Excellence, LSU Health Sciences Center, New Orleans, LA, United States; Neuroscience Center of Excellence, LSU Health Sciences Center, New Orleans, LA, United States; Comprehensive Alcohol-HIV/AIDS Research Center, LSU Health Sciences Center, New Orleans, LA, United States
| | - Nicholas W Gilpin
- Department of Physiology, LSU Health Sciences Center, New Orleans, LA, United States; Alcohol & Drug Abuse Center of Excellence, LSU Health Sciences Center, New Orleans, LA, United States; Neuroscience Center of Excellence, LSU Health Sciences Center, New Orleans, LA, United States; Southeast Louisiana Veterans Health Care System, New Orleans, LA, United States
| | - Amanda R Pahng
- Department of Physiology, LSU Health Sciences Center, New Orleans, LA, United States; Alcohol & Drug Abuse Center of Excellence, LSU Health Sciences Center, New Orleans, LA, United States; Southeast Louisiana Veterans Health Care System, New Orleans, LA, United States.
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7
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The Protective Effect of Social Reward on Opioid and Psychostimulant Reward and Relapse: Behavior, Pharmacology, and Brain Regions. J Neurosci 2022; 42:9298-9314. [PMID: 36517252 PMCID: PMC9794371 DOI: 10.1523/jneurosci.0931-22.2022] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Revised: 10/27/2022] [Accepted: 10/31/2022] [Indexed: 12/30/2022] Open
Abstract
Until recently, most modern neuroscience research on addiction using animal models did not incorporate manipulations of social factors. Social factors play a critical role in human addiction: social isolation and exclusion can promote drug use and relapse, while social connections and inclusion tend to be protective. Here, we discuss the state of the literature on social factors in animal models of opioid and psychostimulant preference, self-administration, and relapse. We first summarize results from rodent studies on behavioral, pharmacological, and circuit mechanisms of the protective effect of traditional experimenter-controlled social interaction procedures on opioid and psychostimulant conditioned place preference, self-administration, and relapse. Next, we summarize behavioral and brain-mechanism results from studies using newer operant social-interaction procedures that inhibit opioid and psychostimulant self-administration and relapse. We conclude by discussing how the reviewed studies point to future directions for the addiction field and other neuroscience and psychiatric fields, and their implications for mechanistic understanding of addiction and development of new treatments.SIGNIFICANCE STATEMENT In this review, we propose that incorporating social factors into modern neuroscience research on addiction could improve mechanistic accounts of addiction and help close gaps in translating discovery to treatment. We first summarize rodent studies on behavioral, pharmacological, and circuit mechanisms of the protective effect of both traditional experimenter-controlled and newer operant social-interaction procedures. We then discuss potential future directions and clinical implications.
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Sex-Differences in Pain and Opioid Use Disorder Management: A Cross-Sectional Real-World Study. Biomedicines 2022; 10:biomedicines10092302. [PMID: 36140403 PMCID: PMC9496267 DOI: 10.3390/biomedicines10092302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/08/2022] [Accepted: 09/14/2022] [Indexed: 11/17/2022] Open
Abstract
(1) Background: It is essential to focus attention on sex-specific factors which are clinically relevant in pain management, especially with regards to opioid use disorder (OUD) risk. The aim of this study was to explore potential sex-differences in chronic non-cancer pain (CNCP) outpatients. (2) Methods: An observational cross-sectional study was conducted under CNCP outpatients with long-term prescribed opioids (n = 806), wherein 137 patients had an OUD diagnosis (cases, 64% females) and 669 did not (controls, 66% females). Socio-demographic, clinical, and pharmacological outcomes were analyzed. (3) Results: Female controls presented an older age and less intensive pain therapy but higher psychotropic prescriptions and emergency department visits compared to male controls. Meanwhile, cases demonstrated a younger age, higher work disability, double morphine equivalent daily dose, and benzodiazepine use compared with controls. Here, female cases showed an 8% greater substance use disorder (OR 2.04 [1.11–3.76]) and 24% lower tramadol use, while male cases presented a 22% higher fentanyl use (OR 2.97 [1.52–5.81]) and reported the highest number of adverse drug reactions (24%, OR 2.40 [1.12–5.16]) compared with controls. (4) Conclusions: An OUD individual risk profile was evidenced with sex-differences to take into consideration to design equal prevention programs.
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Jennings MV, Lee H, Rocha DB, Bianchi SB, Coombes BJ, Crist RC, Faucon AB, Hu Y, Kember RL, Mallard TT, Niarchou M, Poulsen MN, Straub P, Urman RD, Walsh CG, Davis LK, Smoller JW, Troiani V, Sanchez-Roige S. Identifying High-Risk Comorbidities Associated with Opioid Use Patterns Using Electronic Health Record Prescription Data. Complex Psychiatry 2022; 8:47-55. [PMID: 36545045 PMCID: PMC9669950 DOI: 10.1159/000525313] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 03/23/2022] [Indexed: 12/24/2022] Open
Abstract
Introduction Opioid use disorders (OUDs) constitute a major public health issue, and we urgently need alternative methods for characterizing risk for OUD. Electronic health records (EHRs) are useful tools for understanding complex medical phenotypes but have been underutilized for OUD because of challenges related to underdiagnosis, binary diagnostic frameworks, and minimally characterized reference groups. As a first step in addressing these challenges, a new paradigm is warranted that characterizes risk for opioid prescription misuse on a continuous scale of severity, i.e., as a continuum. Methods Across sites within the PsycheMERGE network, we extracted prescription opioid data and diagnoses that co-occur with OUD (including psychiatric and substance use disorders, pain-related diagnoses, HIV, and hepatitis C) for over 2.6 million patients across three health registries (Vanderbilt University Medical Center, Mass General Brigham, Geisinger) between 2005 and 2018. We defined three groups based on levels of opioid exposure: no prescriptions, minimal exposure, and chronic exposure and then compared the comorbidity profiles of these groups to the full registries and to those with OUD diagnostic codes. Results Our results confirm that EHR data reflects known higher prevalence of substance use disorders, psychiatric disorders, medical, and pain diagnoses in patients with OUD diagnoses and chronic opioid use. Comorbidity profiles that distinguish opioid exposure are strikingly consistent across large health systems, indicating the phenotypes described in this new quantitative framework are robust to health systems differences. Conclusion This work indicates that EHR prescription opioid data can serve as a platform to characterize complex risk markers for OUD using existing data.
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Affiliation(s)
- Mariela V Jennings
- Department of Psychiatry, University of California San Diego, La Jolla, California, USA
| | - Hyunjoon Lee
- Psychiatric and Neurodevelopmental Genetics Unit, Center for Genomic Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Daniel B Rocha
- Phenomic Analytics and Clinical Data Core, Geisinger, Danville, Pennsylvania, USA
| | - Sevim B Bianchi
- Department of Psychiatry, University of California San Diego, La Jolla, California, USA
| | - Brandon J Coombes
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, Minnesota, USA
| | - Richard C Crist
- Department of Psychiatry, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Annika B Faucon
- Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Yirui Hu
- Department of Population Health Sciences, Geisinger, Danville, Pennsylvania, USA
| | - Rachel L Kember
- Department of Psychiatry, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
| | - Travis T Mallard
- Psychiatric and Neurodevelopmental Genetics Unit, Center for Genomic Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Maria Niarchou
- Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Melissa N Poulsen
- Department of Population Health Sciences, Geisinger, Danville, Pennsylvania, USA
| | - Peter Straub
- Vanderbilt Genetics Institute, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Richard D Urman
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Colin G Walsh
- Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, Tennessee, USA.,Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA.,Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Lea K Davis
- Department of Biomedical Informatics, Vanderbilt University Medical Center, Nashville, Tennessee, USA.,Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA.,Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Jordan W Smoller
- Psychiatric and Neurodevelopmental Genetics Unit, Center for Genomic Medicine, Massachusetts General Hospital, Boston, Massachusetts, USA.,Center for Precision Psychiatry, Department of Psychiatry, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Vanessa Troiani
- Geisinger Clinic, Geisinger, Danville, Pennsylvania, USA.,Department of Imaging Science and Innovation, Geisinger, Danville, Pennsylvania, USA.,Neuroscience Institute, Geisinger, Danville, Pennsylvania, USA.,Department of Basic Sciences, Geisinger Commonwealth School of Medicine, Scranton, Pennsylvania, USA
| | - Sandra Sanchez-Roige
- Department of Psychiatry, University of California San Diego, La Jolla, California, USA.,Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA
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10
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O'Dell LE, Koob GF, Nazarian A. Vulnerability to substance abuse: A consideration of allostatic loading factors. Neuropharmacology 2021; 199:108767. [PMID: 34454910 DOI: 10.1016/j.neuropharm.2021.108767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Laura E O'Dell
- Department of Psychology, The University of Texas at El Paso, El Paso, TX, USA.
| | - George F Koob
- National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, USA.
| | - Arbi Nazarian
- Department of Pharmaceutical Sciences, Western University of Health Sciences, Pomona, CA, USA.
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11
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Personalized behavior management as a replacement for medications for pain control and mood regulation. Sci Rep 2021; 11:20297. [PMID: 34645900 PMCID: PMC8514566 DOI: 10.1038/s41598-021-99803-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 09/29/2021] [Indexed: 12/12/2022] Open
Abstract
A lack of personalized approaches in non-medication pain management has prevented these alternative forms of treatment from achieving the desired efficacy. One hundred and ten female patients with fibromyalgia syndrome (FMS) and 60 healthy women without chronic pain were assessed for severity of chronic or retrospective occasional pain, respectively, along with alexithymia, depression, anxiety, coping strategies, and personality traits. All analyses were conducted following a ‘resource matching’ hypothesis predicting that to be effective, a behavioral coping mechanism diverting or producing cognitive resources should correspond to particular mechanisms regulating pain severity in the patient. Moderated mediation analysis found that extraverts could effectively cope with chronic pain and avoid the use of medications for pain and mood management by lowering depressive symptoms through the use of distraction mechanism as a habitual (‘out-of-touch-with-reality’) behavior. However, introverts could effectively cope with chronic pain and avoid the use of medications by lowering catastrophizing through the use of distraction mechanism as a situational (‘in-touch-with-reality’) behavior. Thus, personalized behavior management techniques applied according to a mechanism of capturing or diverting the main individual ‘resource’ of the pain experience from its ‘feeding’ to supporting another activity may increase efficacy in the reduction of pain severity along with decreasing the need for pain relief and mood-stabilizing medications.
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12
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Boorman DC, Keay KA. Escalating morphine dosage fails to elicit conditioned analgesia in a preclinical chronic neuropathic pain model. Behav Pharmacol 2021; 32:479-486. [PMID: 34320522 DOI: 10.1097/fbp.0000000000000642] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Many people with chronic pain escalate their opioid dosage to counteract tolerance effects. A treatment regimen consisting of placebos admixed with opioids has been suggested as a possible therapeutic option that could reduce the harm of long-term opioid use. However, the analgesic efficacy of such a regimen requires further investigation before widespread adoption. We have recently reported that a 4-day pharmacological conditioning procedure, which paired morphine (6 mg/kg) with contextual cues, elicited placebo analgesia in subpopulations of male (35%) and female (25%) rats with sciatic nerve chronic constriction injury (CCI). Here, we investigated how an escalating morphine dosage during conditioning affects the incidence and strength of placebo analgesia. Forty-four male, Sprague-Dawley rats received CCI. Thirty-eight (86%) rats developed strong cold allodynia by day 6 post-surgery, as measured by hind paw withdrawal (HPW) behaviour on a 5°C cold plate (120 s). In this experiment, pharmacological conditioning consisted of an escalating morphine dose over 4 days (8/9/10/12 mg/kg). This dosing regimen produced strong reductions in HPW behaviour and counteracted the effects of morphine tolerance during conditioning. However, none of the rats given the placebo treatment (n = 12) demonstrated reductions in HPW behaviour when morphine was substituted for saline (i.e. placebo analgesia), but instead showed a strong behavioural response (rearing). These results demonstrate that a high, escalating dose of morphine failed to produce conditioned placebo analgesia in rats with CCI. It is possible that admixing placebos with opioids may be similarly ineffective in chronic pain patients when the opioids regimen is high or escalating.
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Affiliation(s)
- Damien C Boorman
- School of Medical Sciences (Neuroscience) and the Brain and Mind Centre, The University of Sydney, New South Wales, Australia
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Lack of effect of different pain-related manipulations on opioid self-administration, reinstatement of opioid seeking, and opioid choice in rats. Psychopharmacology (Berl) 2021; 238:1885-1897. [PMID: 33765177 PMCID: PMC10041878 DOI: 10.1007/s00213-021-05816-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 03/01/2021] [Indexed: 01/26/2023]
Abstract
RATIONALE AND OBJECTIVE Pain-related factors increase the risk for opioid addiction, and pain may function as a negative reinforcer to increase opioid taking and seeking. However, experimental pain-related manipulations generally do not increase opioid self-administration in rodents. This discrepancy may reflect insufficient learning of pain-relief contingencies or confounding effects of pain-related behavioral impairments. Here, we determined if pairing noxious stimuli with opioid self-administration would promote pain-related reinstatement of opioid seeking or increase opioid choice over food. METHODS In Experiment 1, rats self-administered fentanyl in the presence or absence of repeated intraplantar capsaicin injections in distinct contexts to model context-specific exposure to cutaneous nociception. After capsaicin-free extinction in both contexts, we tested if capsaicin would reinstate fentanyl seeking. In Experiment 2, rats self-administered heroin after intraperitoneal (i.p.) lactic acid injections to model acute visceral inflammatory pain. After lactic acid-free extinction, we tested if lactic acid would reinstate heroin seeking. In Experiment 3, we tested if repeated i.p. lactic acid or intraplantar Complete Freund's Adjuvant (CFA; to model sustained inflammatory pain) would increase fentanyl choice over food. RESULTS In Experiments 1-2, neither capsaicin nor lactic acid reinstated opioid seeking after extinction, and lactic acid did not increase heroin-induced reinstatement. In Experiment 3, lactic acid and CFA decreased reinforcement rate without affecting fentanyl choice. CONCLUSIONS Results extend the range of conditions across which pain-related manipulations fail to increase opioid seeking in rats and suggest that enhanced opioid-addiction risk in humans with chronic pain involves factors other than enhanced opioid reinforcement and relapse.
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