Integrating pharmacogenomics into precision pain management.

Studies suggest wide heterogeneity in pain management response. Improved methods of pain pharmacotherapy are urgently needed to improve clinical response and safety profile of analgesics. The study or application of how genetics influence response to medications is called pharmacogenomics (PGx).

Evolving Roles of Palliative Care Pharmacists.

In this article, we provide an overview of pharmacists' involvement with palliative care, starting with recent history, up to present day. The aim of this review is to highlight advances in the field of palliative care pharmacy and the integral role pharmacists have on the palliative care team. We conclude that despite participating on multidisciplinary palliative care teams for over 20 years, pharmacy still lacks a board certification in palliative care.

Open-Label Adhesion Performance Study of a Prescription Lidocaine Topical System 1.8% versus Three Lidocaine-Containing Over-the-Counter Patches in Healthy Subjects.

Purpose: This study evaluates and compares the clinical adhesion performance of a prescription lidocaine topical system 1.8% versus two different over-the-counter (OTC) lidocaine patches 4% and an OTC combination menthol and lidocaine patch 1%/4% in human subjects.

Patients And Methods: This study was an open-label, randomized, four-treatment, four-sequence, Phase 1 adhesion performance study in healthy adult volunteers (N = 24).

Application Site Reactions from the Buprenorphine Transdermal Patch: A Case Series.

Buprenorphine is a partial mu-opioid agonist available as a transdermal patch for use in patients with chronic pain. Transdermal products can be associated with application site reactions (ASRs). The incidence of ASRs to the buprenorphine transdermal patch (BTP) have been described as low and seldom requiring patch discontinuation.

Opioids and pituitary function: expert opinion.

Purpose: Opioids are highly addictive potent analgesics and anti-allodynics whose use has dramatically increased in recent decades. The precipitous rise in opioid dependency and opioid use disorder is an important public health challenge given the risks for severely adverse health outcomes. The long-term opioid impact on hypothalamic-pituitary axes is particularly underappreciated among both endocrinologists and primary care physicians.

Application and Clinical Value of Definitive Drug Monitoring in Pain Management and Addiction Medicine.

Objective: To assess routine application and clinical value of definitive urine drug monitoring (UDM) for drug detection, inconsistent drug use, and prescription adherence, along with a comparison to immunoassay screening (IAS).

Methods: Direct-to-definitive UDM performance was analyzed retrospectively in 5000 patient specimens. Drug findings, medication inconsistencies, and detection sensitivity were assessed, and definitive UDM versus IAS monitoring was studied.

History of Respiratory Stimulants.

The interest in substances that stimulate respiration has waxed and waned throughout the years, intensifying following the introduction of a new class of drugs that causes respiratory depression, and diminishing when antidotes or better drug alternatives are found. Examples include the opioids--deaths increasing during overprescribing, diminishing with wider availability of the opioid receptor antagonist naloxone, increasing again during COVID-19; the barbiturates--until largely supplanted by the benzodiazepines; propofol; and other central nervous system depressants. Unfortunately, two new troubling phenomena force a reconsideration of the status-quo: (1) overdoses due to highly potent opioids such as fentanyl, and even more-potent licit and illicit fentanyl analogs, and (2) overdose due to polysubstance use (the combination of an opioid plus one or more non-opioid drug, such as a benzodiazepine, sedating antidepressant, skeletal muscle relaxant, or various other agents).

Gaps in the Use of Long-Acting Opioids Within Intervals of Consecutive Days Among Cancer Outpatients Using Electronic Pill Caps.

Objective: This study describes individual cancer patients' nonuse of extended-release or long-acting (ER/LA) opioids, including periods of gap between opioid doses taken.

Design: Secondary analysis of a three-month observational study of prescribed ER/LA opioids monitored using electronic pill caps.

Setting: Two outpatient oncology clinics of a large health system in the Mid-Atlantic region.

A Randomized, Open-Label, Bioequivalence Study of Lidocaine Topical System 1.8% and Lidocaine Patch 5% in Healthy Subjects.

Purpose: This study was designed to characterize drug delivery with lidocaine topical system 1.8% vs lidocaine patch 5% through 2 PK studies.

Patients And Methods: Two Phase 1, single-center, open-label, randomized PK studies were performed in healthy adults.

A Randomized, Crossover, Pharmacokinetic and Adhesion Performance Study of a Lidocaine Topical System 1.8% During Physical Activity and Heat Treatment in Healthy Subjects.

Purpose: This study compares the pharmacokinetic (PK) profile, adhesion, and safety of lidocaine topical system 1.8%, a novel lidocaine topical system approved to treat postherpetic neuralgia, under conditions of heat and exercise vs normal conditions.

Materials And Methods: This open-label, 3-period, 3-treatment crossover study randomized 12 healthy adults to receive three lidocaine topical systems 1.

Pharmacotherapeutic Management of Neuropathic Pain in End-Stage Renal Disease.

Background: Chronic noncancer pain is pervasive throughout the general patient population, transcending all chronic disease states. Patients with end-stage renal disease (ESRD) present a complicated population for which medication management requires careful consideration of the pathogenesis of ESRD and intimate knowledge of pharmacology. The origin of pain must also guide treatment options.

Initiation of Transdermal Fentanyl Among US Commercially Insured Patients Between 2007 and 2015.

Introduction: This study examined patterns of initial transdermal fentanyl (TDF) claims among US commercially insured patients and explored the risk of 30-day hospitalization among patients with and without prior opioid exposure necessary to produce tolerance.

Design: A retrospective cohort study of initial outpatient TDF prescriptions.

Setting: A 10% random sample of commercially insured enrollees within the IQVIA Health Plan Claims Database (formerly known as PharMetrics Plus).

Nonsteroidal Antiinflammatory Drugs for Acute and Chronic Pain.

Understanding nonsteroidal antiinflammatory drug (NSAID) use and impact on common rheumatic and arthritic conditions is critical to reconciling their appropriate use with their potentially serious adverse effects. NSAIDs have a profound impact on the treatment of connective tissue disorders because of their ability to address the underlying cause with specific benefits of decreasing stiffness and inflammation, and improving mobility. NSAID use is twice as common as opioid use, and inappropriate use of NSAIDs is widespread.

Peripheral Opioid Receptor Antagonists for Opioid-Induced Constipation: A Primer on Pharmacokinetic Variabilities with a Focus on Drug Interactions.

Opioid analgesics remain a treatment option for refractory acute and chronic pain, despite their potential risk for abuse and adverse events (AEs). Opioids are associated with several common AEs, but the most bothersome is opioid-induced constipation (OIC). OIC is often overlooked but has the potential to affect patient quality of life, increase associated symptom burden, and impede long-term opioid compliance.

A Narrative Pharmacological Review of Buprenorphine: A Unique Opioid for the Treatment of Chronic Pain.

Buprenorphine is a Schedule III opioid analgesic with unique pharmacodynamic and pharmacokinetic properties that may be preferable to those of Schedule II full μ-opioid receptor agonists. The structure of buprenorphine allows for multimechanistic interactions with opioid receptors μ, δ, κ, and opioid receptor-like 1. Buprenorphine is considered a partial agonist with very high binding affinity for the μ-opioid receptor, an antagonist with high binding affinity for the δ- and κ-opioid receptors, and an agonist with low binding affinity for the opioid receptor-like 1 receptor.

Understanding Buprenorphine for Use in Chronic Pain: Expert Opinion.

Objective: An expert panel convened to reach a consensus on common misconceptions surrounding buprenorphine, a Schedule III partial µ-opioid receptor agonist indicated for chronic pain. The panel also provided clinical recommendations on the appropriate use of buprenorphine and conversion strategies for switching to buprenorphine from a full µ-opioid receptor agonist for chronic pain management.

Methods: The consensus panel met on March 25, 2019, to discuss relevant literature and provide recommendations on interpreting buprenorphine as a partial µ-opioid receptor agonist, prescribing buprenorphine before some Schedule II, III, or IV options, perioperative/trauma management of patients taking buprenorphine, and converting patients from a full µ-opioid receptor agonist to buprenorphine.

Pearls for opioid use in seriously ill patients.

Opioids are often the foundation of pain management in seriously ill patients. Unfortunately, even experienced providers carry with them information that they consider "fact", when this information is not based on scientific evidence, but on "myth". Several topics were elicited based on common beliefs and misconceptions in clinical practice.