The orphan nuclear receptor Nr4a1 has complex biological functions and has been implicated in numerous diseases, including cardiovascular disease. While protective in atherosclerosis and myocardial ischemia, Nr4a1 has been shown to cause cardiac fibrosis in non-ischemic adverse remodeling of the heart. However, mechanisms underlying these actions are still poorly understood.
View Article and Find Full Text PDFImportance: Buprenorphine combined with naloxone is commonly used to treat opioid use disorders outside of pregnancy. In pregnancy, buprenorphine alone is generally recommended because of limited perinatal safety data on the combination product.
Objective: To compare perinatal outcomes following prenatal exposure to buprenorphine with naloxone vs buprenorphine alone.
Fentanyl overdose is a survivable condition that commonly resolves without chronic overt changes in phenotype. While the acute physiological effects of fentanyl overdose, such as opioid-induced respiratory depression (OIRD) and Wooden Chest Syndrome, represent immediate risks of lethality, little is known about longer-term systemic or organ-level impacts for survivors. In this study, we investigated the effects of a single, bolus fentanyl overdose on components of the cardiopulmonary system up to one week post.
View Article and Find Full Text PDFBackground: Naloxone is an effective and safe opioid reversal medication now approved by the U.S. Food and Drug Administration (FDA) for use with or without a prescription.
View Article and Find Full Text PDFBasic Clin Pharmacol Toxicol
April 2024
Fentanyl exposure and overdose are growing concerns in public health and occupational safety. This study aimed to establish parameters of fentanyl lethality in SKH1 mice for future overdose research. Lethality was determined using the up-down procedure, with subjects monitored post-administration using pulse oximetry (5 min) and then whole-body plethysmography (40 min).
View Article and Find Full Text PDFIntroduction: Clinical practice guidelines recommend drug testing patients who are receiving opioids chronically for pain or medication for a substance use disorder (SUD)-particularly opioid use disorder (OUD)-but practices vary due to a lack of consensus on testing frequency during follow-up. This study aimed to evaluate rates and costs of outpatient drug testing practices for patients receiving opioids for chronic pain or medication for an SUD.
Methods: Using claims data from a large de-identified claims data warehouse, we conducted a retrospective cohort study of chronic opioid, buprenorphine, and naltrexone users between January 2015 and December 2019.
Objective: To assess the incidence and risk factors for postpartum opioid overdose death and describe other causes of postpartum death in individuals with opioid use disorder (OUD).
Methods: We conducted a cohort study that used health care utilization data from the Medicaid Analytic eXtract linked to the National Death Index in the United States from 2006 to 2013. All pregnant individuals with live births or stillbirths and continuous enrollment for 3 months before delivery were eligible, including 4,972,061 deliveries.
Background: Opioid agonist therapy is strongly recommended for pregnant persons with opioid use disorder. Buprenorphine may be associated with more favorable neonatal and maternal outcomes than methadone, but existing data are limited.
Methods: We conducted a cohort study involving pregnant persons who were enrolled in public insurance programs in the United States during the period from 2000 through 2018 in which we examined outcomes among those who received buprenorphine as compared with those who received methadone.
Antioxidants (Basel)
June 2022
Opioids are among the most widely used classes of pharmacologically active compounds both clinically and recreationally. Beyond their analgesic efficacy via μ opioid receptor (MOR) agonism, a prominent side effect is central respiratory depression, leading to systemic hypoxia and free radical generation. Vitamin C (ascorbic acid; AA) is an essential antioxidant vitamin and is involved in the recycling of redox cofactors associated with inflammation.
View Article and Find Full Text PDFLaw enforcement violence has emerged as a leading public health concern, and law enforcement officers are themselves at greater risk for a range of psychiatric disorders. Drawing on the significant empirical support for mentalization-based treatment (MBT), this paper explores the use of MBT as a transdiagnostic psychotherapy for law enforcement professionals. By helping patients to mentalize-that is, to "read," access, and reflect on mental states in oneself and other people-MBT could be useful as a dual-focus treatment, able to simultaneously impact psychiatric illness among law enforcement officers while also indirectly impacting the problem of law enforcement violence in the broader society.
View Article and Find Full Text PDFAfter participating in this activity, learners should be better able to:• Assess the treatment gap for patients with substance use disorders• Evaluate treatments and models of implementation for substance use disorders ABSTRACT: Substance use disorders (SUDs) account for substantial global morbidity, mortality, and financial and social burden, yet the majority of those suffering with SUDs in both low- and middle-income (LMICs) and high-income countries (HICs) never receive SUD treatment. Evidence-based SUD treatments are available, but access to treatment is severely limited. Stigma and legal discrimination against persons with SUDs continue to hinder public understanding of SUDs as treatable health conditions, and to impede global health efforts to improve treatment access and to reduce SUD prevalence and costs.
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