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Sweileh WM. Neuroleptic malignant syndrome and serotonin syndrome: a comparative bibliometric analysis. Orphanet J Rare Dis 2024; 19:221. [PMID: 38825678 PMCID: PMC11145872 DOI: 10.1186/s13023-024-03227-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 05/27/2024] [Indexed: 06/04/2024] Open
Abstract
OBJECTIVE This study aimed to analyze and map scientific literature on Neuroleptic Malignant Syndrome (NMS) and Serotonin Syndrome (SS) from prestigious, internationally indexed journals. The objective was to identify key topics, impactful articles, prominent journals, research output, growth patterns, hotspots, and leading countries in the field, providing valuable insights for scholars, medical students, and international funding agencies. METHODS A systematic search strategy was implemented in the PubMed MeSH database using specific keywords for NMS and SS. The search was conducted in the Scopus database, renowned for its extensive coverage of scholarly publications. Inclusion criteria comprised articles published from 1950 to December 31st, 2022, restricted to journal research and review articles written in English. Data were analyzed using Microsoft Excel for descriptive analysis, and VOSviewer was employed for bibliometric mapping. RESULTS The search yielded 1150 articles on NMS and 587 on SS, with the majority being case reports. Growth patterns revealed a surge in NMS research between 1981 and 1991, while SS research increased notably between 1993 and 1997. Active countries and journals differed between NMS and SS, with psychiatry journals predominating for NMS and pharmacology/toxicology journals for SS. Authorship analysis indicated higher multi-authored articles for NMS. Top impactful articles focused on review articles and pathogenic mechanisms. Research hotspots included antipsychotics and catatonia for NMS, while SS highlighted drug interactions and specific medications like linezolid and tramadol. CONCLUSIONS NMS and SS represent rare but life-threatening conditions, requiring detailed clinical and scientific understanding. Differential diagnosis and management necessitate caution in prescribing medications affecting central serotonin or dopamine systems, with awareness of potential drug interactions. International diagnostic tools and genetic screening tests may aid in safe diagnosis and prevention. Reporting rare cases and utilizing bibliometric analysis enhance knowledge dissemination and research exploration in the field of rare drug-induced medical conditions.
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Affiliation(s)
- Waleed M Sweileh
- Department of Biomedical Sciences, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine.
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Trager RJ, Cupler ZA, Srinivasan R, Casselberry RM, Perez JA, Dusek JA. Chiropractic spinal manipulation and likelihood of tramadol prescription in adults with radicular low back pain: a retrospective cohort study using US data. BMJ Open 2024; 14:e078105. [PMID: 38692725 PMCID: PMC11086504 DOI: 10.1136/bmjopen-2023-078105] [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] [Received: 07/24/2023] [Accepted: 04/15/2024] [Indexed: 05/03/2024] Open
Abstract
OBJECTIVES Patients receiving chiropractic spinal manipulation (CSM) for low back pain (LBP) are less likely to receive any opioid prescription for subsequent pain management. However, the likelihood of specifically being prescribed tramadol, a less potent opioid, has not been explored. We hypothesised that adults receiving CSM for newly diagnosed radicular LBP would be less likely to receive a tramadol prescription over 1-year follow-up, compared with those receiving usual medical care. DESIGN Retrospective cohort study. SETTING US medical records-based dataset including >115 million patients attending academic health centres (TriNetX, Inc), queried 9 November 2023. PARTICIPANTS Opioid-naive adults aged 18-50 with a new diagnosis of radicular LBP were included. Patients with serious pathology and tramadol use contraindications were excluded. Variables associated with tramadol prescription were controlled via propensity matching. INTERVENTIONS Patients were divided into two cohorts dependent on treatment received on the index date of radicular LBP diagnosis (CSM or usual medical care). PRIMARY AND SECONDARY OUTCOME MEASURES Risk ratio (RR) for tramadol prescription (primary); markers of usual medical care utilisation (secondary). RESULTS After propensity matching, there were 1171 patients per cohort (mean age 35 years). Tramadol prescription was significantly lower in the CSM cohort compared with the usual medical care cohort, with an RR (95% CI) of 0.32 (0.18 to 0.57; p<0.0001). A cumulative incidence graph demonstrated that the reduced incidence of tramadol prescription in the CSM cohort relative to the usual medical care cohort was maintained throughout 1-year follow-up. Utilisation of NSAIDs, physical therapy evaluation and lumbar imaging was similar between cohorts. CONCLUSIONS This study found that US adults initially receiving CSM for radicular LBP had a reduced likelihood of receiving a tramadol prescription over 1-year follow-up. These findings should be corroborated by a prospective study to minimise residual confounding.
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Affiliation(s)
- Robert James Trager
- Connor Whole Health, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
- Department of Family Medicine and Community Health, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Department of Biostatistics and Bioinformatics Clinical Research Training Program, Duke University School of Medicine, Durham, North Carolina, USA
| | - Zachary A Cupler
- Physical Medicine & Rehabilitative Services, Butler VA Health Care System, Butler, Pennsylvania, USA
- Institute for Clinical Research Education, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
| | - Roshini Srinivasan
- Connor Whole Health, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
- School of Medicine, Duke University, Durham, North Carolina, USA
| | - Regina M Casselberry
- Clinical Research Center, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Jaime A Perez
- Clinical Research Center, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Jeffery A Dusek
- Connor Whole Health, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
- Department of Family Medicine and Community Health, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
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Wu YWK, Mitchell DJ. Tramadol as a patient-initiated component of multimodal pain management: a pilot study of 364 lower limb arthroplasty cases. ANZ J Surg 2023; 93:2112-2118. [PMID: 36929136 DOI: 10.1111/ans.18361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 12/28/2022] [Accepted: 02/23/2023] [Indexed: 03/18/2023]
Abstract
BACKGROUND Multimodal therapy (MMT) for analgesia following joint arthroplasty continues to reduce cost and the requirement of strong opioids post-operatively. Tramadol immediate release is an important MMT component providing synergistic pain relief via dual μ-opioid agonism and serotonin and noradrenaline reuptake inhibition. Case reports have shown tramadol when combined with antidepressants cause serotonin syndrome, but this has yet to be demonstrated in larger studies. We undertook a pilot study assessing the functional outcomes and incidence of side effects associated with tramadol in lower limb arthroplasty patients with a focus on those taking concomitant antidepressants. METHODS Primary and revision hip and knee arthroplasties performed in 2018-2019 by a senior surgeon were included (n = 364). Patient records were assessed to determine pain scores, length of hospitalization, prescription of tramadol and antidepressants, self-reported side effects and previous adverse reactions associated with tramadol. RESULTS Nine-five percentage of patients had been prescribed tramadol, and 16% had concurrent prescription of tramadol and one or more antidepressants. The total rate of adverse effects associated with tramadol before and during the study was 7% (n = 25) including two cases of concomitant tramadol and antidepressant use. For patients on tramadol, median 2-week post-operative pain score was 1.5 (IQR 1-2.5) out of 10 and hospitalization length was 1 (IQR 1-2) days. CONCLUSION Tramadol immediate release appears to be well tolerated among our patient population with no significantly increased prevalence of side effects when co-administered with low and moderate dose antidepressants.
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Affiliation(s)
| | - David James Mitchell
- Orthopaedic Surgeon, Novar Musculoskeletal Research Institute, Lake Wendouree, Victoria, Australia
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Manouchehri A, Nekoukar Z, Malakian A, Zakariaei Z. Tramadol poisoning and its management and complications: a scoping review. Ann Med Surg (Lond) 2023; 85:3982-3989. [PMID: 37554850 PMCID: PMC10406095 DOI: 10.1097/ms9.0000000000001075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Accepted: 07/02/2023] [Indexed: 08/10/2023] Open
Abstract
UNLABELLED Tramadol (TR) is an opioid agonist (μ-opioid receptors) that also affects the noradrenergic and serotonergic systems. TR is a synthetic analgesic substance with opioid agonist properties that has been approved for pain management by affecting the central nervous system. OBJECTIVE The primary objective of this scoping review was to determine the poisoning consequences of TR and its associated symptom management techniques, as well as its effect on opioid and non-opioid receptors, metabolism, and complications on various organ systems. DISCUSSION Typically, acute overdose of TR is not considered life threatening, and most fatalities are attributed to polysubstance overdose. TR can cause drowsiness, headaches, seizures, respiratory depression, low heart rate, coma, and even death. Additionally, the prolonged use of TR can lead to addiction, with withdrawal resulting in both common and atypical symptoms. CONCLUSIONS Therefore, it is recommended that patients with TR poisoning receive close monitoring of their cardiovascular system, along with a comprehensive management plan for their levels of consciousness and respiratory function.
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Affiliation(s)
- Aliasghar Manouchehri
- Department of Internal Medicine, Shahid Beheshti Hospital, Babol University of Medical Sciences, Babol
| | | | | | - Zakaria Zakariaei
- Toxicology and Forensic Medicine Division, Mazandaran Registry Center for Opioids Poisoning, Orthopedic Research Center, Imam Khomeini Hospital, Mazandaran University of Medical Sciences, Sari, Iran
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Wu TY, Wu WT, Lee RP, Chen IH, Yu TC, Wang JH, Yeh KT. Tramadol May Increase Risk of Hip Fracture in Older Adults with Post-Traumatic Osteoarthritis. J Pers Med 2023; 13:jpm13040580. [PMID: 37108965 PMCID: PMC10141182 DOI: 10.3390/jpm13040580] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/25/2023] [Accepted: 03/25/2023] [Indexed: 03/29/2023] Open
Abstract
Tramadol, an analgesic widely used for arthritic pain, is known to have adverse effects. This study investigated the association between the long-term use of tramadol for pain control and subsequent hip fractures in patients aged 60 years or older with posttraumatic osteoarthritis. This population-based retrospective cohort study included patients with posttraumatic osteoarthritis who received tramadol for pain control for more than 90 days within a 1-year period. A control cohort was enrolled using propensity score matching. The primary outcome was a new diagnosis of hip fracture requiring surgery. In total, 3093 patients were classified into each cohort. Tramadol use was identified as a risk factor for hip fracture (adjusted hazard ratio (aHR): 1.41; 95% confidence interval (CI): 1.09–1.82; p = 0.008), especially among patients aged 60–70 years (aHR: 2.11; 95% CI: 1.29–3.47; p = 0.003) and among male patients (aHR: 1.83; 95% CI: 1.24–2.70; p = 0.002). This is the first cohort study focusing on the association between long-term tramadol use and hip fracture among older adults with posttraumatic osteoarthritis. Tramadol, as a long-term pain control analgesic for older adults with posttraumatic osteoarthritis, may increase the risk of hip fracture, especially among male patients and those aged 60–70 years.
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Affiliation(s)
- Ting-Yu Wu
- Department of Orthopedics, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970473, Taiwan
| | - Wen-Tien Wu
- Department of Orthopedics, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970473, Taiwan
- School of Medicine, Tzu Chi University, Hualien 970374, Taiwan
- Institute of Medical Sciences, Tzu Chi University, Hualien 970374, Taiwan
| | - Ru-Ping Lee
- Institute of Medical Sciences, Tzu Chi University, Hualien 970374, Taiwan
| | - Ing-Ho Chen
- Department of Orthopedics, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970473, Taiwan
- School of Medicine, Tzu Chi University, Hualien 970374, Taiwan
| | - Tzai-Chiu Yu
- Department of Orthopedics, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970473, Taiwan
- School of Medicine, Tzu Chi University, Hualien 970374, Taiwan
| | - Jen-Hung Wang
- Department of Medical Research, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970473, Taiwan
| | - Kuang-Ting Yeh
- Department of Orthopedics, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970473, Taiwan
- School of Medicine, Tzu Chi University, Hualien 970374, Taiwan
- Graduate Institute of Clinical Pharmacy, Tzu Chi University, Hualien 970374, Taiwan
- Correspondence:
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Kawai S, Hasegawa J, Ito H, Fukuuchi Y, Nakano H, Ohtani H, Sasaki K, Adachi T. Efficacy and safety of twice-daily tramadol hydrochloride bilayer sustained-release tablets with an immediate release component for postherpetic neuralgia: Results of a Phase III, randomized, double-blind, placebo-controlled, treatment-withdrawal study. Pain Pract 2023; 23:277-289. [PMID: 36478501 DOI: 10.1111/papr.13190] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 10/31/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND We investigated the efficacy and safety of twice-daily bilayer sustained-release tramadol hydrochloride tablets (35% immediate-release; 65% sustained-release) in patients with postherpetic neuralgia. METHODS This was a Phase III treatment-withdrawal study with 1-4-week dose-escalation, 1-week fixed-dose, and 4-week randomized, double-blind, placebo-controlled withdrawal periods performed at 43 medical institutions in Japan. Patients aged ≥20 years, ≥3 months after the onset of herpes zoster with localized, persistent pain despite fixed-dose analgesics for ≥2 weeks before enrollment were eligible. Patients started tramadol at 100 mg/day and its dose escalated to a maximum of 400 mg/day to achieve a reduction in their Numeric Rating Scale (NRS) for pain of ≥2 points. Eligible patients were randomized to continue tramadol or switched to placebo for 4 weeks (double-blind period). Patients were withdrawn due to inadequate analgesia (NRS deteriorated on ≥2 consecutive days) or their request. RESULTS Overall, 252 patients started tramadol and 173 were randomized (tramadol: 85; placebo: 88). Tramadol was superior to placebo for the primary endpoint (time from randomization to an inadequate analgesic effect) with log-rank test p = 0.0005. The hazard ratio was 0.353 (95% confidence interval 0.190-0.657) in favor of tramadol and fewer patients in the tramadol group experienced inadequate analgesic effects (16.9% vs. 39.8%). Adverse events in ≥10% of patients in the open-label period were constipation (43.8%), nausea (34.9%), somnolence (18.5%), and dizziness (11.6%). The frequencies of adverse events in the double-blind period were similar in both groups. CONCLUSION Sustained-release tramadol tablets with an immediate-release component are effective and well tolerated for managing postherpetic neuralgia.
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Affiliation(s)
- Shinichi Kawai
- Department of Inflammation & Pain Control Research, Toho University School of Medicine, Tokyo, Japan
| | | | - Hideki Ito
- Tachikawa Dermatology Clinic, Tokyo, Japan
| | | | - Hideshi Nakano
- Department of Clinical Development, Nippon Zoki Pharmaceutical Co., Ltd., Osaka, Japan
| | - Hideaki Ohtani
- Department of Clinical Development, Nippon Zoki Pharmaceutical Co., Ltd., Osaka, Japan
| | - Kazutaka Sasaki
- Department of Clinical Development, Nippon Zoki Pharmaceutical Co., Ltd., Osaka, Japan
| | - Takeshi Adachi
- Department of Clinical Development, Nippon Zoki Pharmaceutical Co., Ltd., Osaka, Japan
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The CanPain SCI clinical practice guidelines for rehabilitation management of neuropathic pain after spinal cord injury: 2021 update. Spinal Cord 2022; 60:548-566. [PMID: 35124700 PMCID: PMC9209331 DOI: 10.1038/s41393-021-00744-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 12/23/2021] [Accepted: 12/24/2021] [Indexed: 12/23/2022]
Abstract
STUDY DESIGN Clinical practice guidelines. OBJECTIVES The objective was to update the 2016 version of the Canadian clinical practice guidelines for the management of neuropathic pain in people with spinal cord injury (SCI). SETTING The guidelines are relevant for inpatient, outpatient and community SCI rehabilitation settings in Canada. METHODS The guidelines were updated in accordance with the Appraisal of Guidelines for Research and Evaluation II tool. A Steering Committee and Working Group reviewed the relevant evidence on neuropathic pain management (encompassing screening and diagnosis, treatment and models of care) after SCI. The quality of evidence was scored using Grading of Recommendations Assessment, Development and Evaluation (GRADE). A consensus process was followed to achieve agreement on recommendations and clinical considerations. RESULTS The working group identified and reviewed 46 additional relevant articles published since the last version of the guidelines. The panel agreed on 3 new screening and diagnosis recommendations and 8 new treatment recommendations. Two key changes to these treatment recommendations included the introduction of general treatment principles and a new treatment recommendation classification system. No new recommendations to model of care were made. CONCLUSIONS The CanPainSCI recommendations for the management of neuropathic pain after SCI should be used to inform practice.
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Nicholas TA, Robinson R. Multimodal Analgesia in the Era of the Opioid Epidemic. Surg Clin North Am 2021; 102:105-115. [PMID: 34800380 DOI: 10.1016/j.suc.2021.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
This article attempts to review the key components of a multimodal analgesic regimen for the treatment of acute pain. Adhering to these key components will help reduce the opioid burden to surgical patients while reducing acute pain. As well, this regimen is intended to reduce further negative contributions to the opioid crisis.
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Affiliation(s)
- Thomas Arthur Nicholas
- Anesthesiology, University of Nebraska Medical Center, 984455 Nebraska Medical Center, Omaha, NE, 68198-4455, USA.
| | - Raime Robinson
- Anesthesiology, University of Nebraska Medical Center, 984455 Nebraska Medical Center, Omaha, NE, 68198-4455, USA
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Fanelli D, Weller G, Liu H. New Serotonin-Norepinephrine Reuptake Inhibitors and Their Anesthetic and Analgesic Considerations. Neurol Int 2021; 13:497-509. [PMID: 34698218 PMCID: PMC8544373 DOI: 10.3390/neurolint13040049] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 08/20/2021] [Accepted: 08/24/2021] [Indexed: 01/12/2023] Open
Abstract
Serotonin-norepinephrine reuptake inhibitors (SNRIs) inhibit the presynaptic neuronal uptake of serotonin and norepinephrine and prolong the effects of the monoamines in the synaptic cleft within the central nervous system, leading to increased postsynaptic receptor activation and neuronal activities. Serotonin-norepinephrine reuptake inhibitors can have multiple clinical indications, including as the first-line agents for the management of depression and anxiety, and as analgesics in the treatment of chronic pain. The effects of reuptake inhibition of norepinephrine and serotonin are often dose-dependent and agent-dependent. There are five FDA-approved serotonin-norepinephrine reuptake inhibitors (desvenlafaxine, duloxetine, levomilnacipran, milnacipran and sibutramine) currently being marketed in the United States. As the COVID-19 pandemic significantly increased the incidence and prevalence of anxiety and depression across the country, there are significantly increased prescriptions of these medications perioperatively. Thus, anesthesiologists are more likely than ever to have patients administered with these agents and scheduled for elective or emergency surgical procedures. A thorough understanding of these commonly prescribed serotonin-norepinephrine reuptake inhibitors and their interactions with commonly utilized anesthetic agents is paramount. There are two potentially increased risks related to the continuation of SNRIs through the perioperative period: intraoperative bleeding and serotonin syndrome. SNRIs have some off-label uses, more new indications, and ever-increasing new applications in perioperative practice. This article aims to review the commonly prescribed serotonin-norepinephrine reuptake inhibitors and the current clinical evidence regarding their considerations in perioperative anesthesia and analgesia.
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Rutman MP, Horn JR, Newman DK, Stefanacci RG. Overactive Bladder Prescribing Considerations: The Role of Polypharmacy, Anticholinergic Burden, and CYP2D6 Drug‒Drug Interactions. Clin Drug Investig 2021; 41:293-302. [PMID: 33713027 PMCID: PMC8004492 DOI: 10.1007/s40261-021-01020-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/26/2021] [Indexed: 12/11/2022]
Abstract
Overactive bladder (OAB) is a common disorder in the general population, and the prevalence increases with age. Adults with OAB typically have a greater number of comorbid conditions, such as hypertension, depression, and dementia, compared with adults without OAB. Subsequent to an increased number of comorbidities, adults with OAB take a greater number of concomitant medications, which may increase the risk of potentially harmful drug‒drug interactions. There are two important considerations for many of the medications approved for the treatment of OAB in the USA: anticholinergic burden and potential for drug‒drug interactions, notably related to cytochrome P450 (CYP) 2D6, which is responsible for the metabolism of approximately 25% of all drugs. A substantial number of drugs used for the treatment of OAB and comorbid conditions (e.g., cardiovascular and neurologic disorders) are CYP2D6 substrates or inhibitors. Furthermore, a substantial number of drugs with CYP2D6 properties also have strong anticholinergic properties. Here, we review polypharmacy associated with OAB and its common comorbidities, identify drugs with reported anticholinergic properties, and provide an overview of clinically relevant drug‒drug interactions in the treatment of OAB as they relate to CYP2D6 metabolism. This review aims to provide clinicians with essential information necessary for making treatment decisions when managing OAB.
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Affiliation(s)
- Matthew P Rutman
- Columbia University, 11th Floor, HIP, 161 Ft. Washington Avenue, New York, NY, 10032, USA.
| | - John R Horn
- School of Pharmacy, Department of Pharmacy, University of Washington, Seattle, WA, USA
| | - Diane K Newman
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Richard G Stefanacci
- Jefferson College of Population Health, Thomas Jefferson University, Philadelphia, PA, USA
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Duloxetine for the reduction of opioid use in elective orthopedic surgery: a systematic review and meta-analysis. Int J Clin Pharm 2021; 43:394-403. [PMID: 33459948 DOI: 10.1007/s11096-020-01216-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 12/08/2020] [Indexed: 12/19/2022]
Abstract
Background Duloxetine is currently approved for chronic pain management; however, despite some evidence, its utility in acute, postoperative pain remains unclear Aim of the review This systematic review and meta-analysis is to determine if duloxetine 60 mg given perioperatively, is safe and effective at reducing postoperative opioid consumption and reported pain following elective orthopedic surgery. Method CINAHL, Medline, Cochrane Central Registry for Clinical Trials, Google Scholar, and Clinicaltrials.gov were searched using a predetermined search strategy from inception to January 15, 2019. Covidence.org was used to screen, select, and extract data by two independent reviewers. Individual study bias was assessed using the Cochrane Risk of Bias tool. Opioid consumption data were converted to oral morphine milligram equivalents (MME) and exported to RevMan where meta-analysis was conducted using a DerSimonian and Laird random effects model. Results Six randomized-controlled trials were included in the literature review of postoperative pain and adverse effects. Five studies were utilized for the meta-analysis of postoperative opioid consumption; totaling 314 patients. Postoperative pain analysis showed variable statistical significance with overall lower pain scores with duloxetine. Adverse effects included an increase in insomnia with duloxetine but lower rates of nausea and vomiting. Meta-analysis revealed statistically significant [mean difference (95% CI)] lower total opioid use with duloxetine postoperatively at 24 h [- 31.9 MME (- 54.22 to - 9.6), p = 0.005], 48 h [- 30.90 MME (- 59.66 to - 2.15), p = 0.04] and overall [- 31.68 MME (- 46.62 to - 16.74), p < 0.0001]. Conclusion These results suggest that adding perioperative administration duloxetine 60 mg to a multimodal analgesia regimen within the orthopedic surgery setting significantly lowers total postoperative opioid consumption and reduces pain without significant adverse effects.
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Bumpus JA. Low-Dose Tramadol as an Off-Label Antidepressant: A Data Mining Analysis from the Patients' Perspective. ACS Pharmacol Transl Sci 2020; 3:1293-1303. [PMID: 33344902 PMCID: PMC7737323 DOI: 10.1021/acsptsci.0c00132] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Indexed: 01/09/2023]
Abstract
Objectives: The purpose of this analysis was to assess, from the patients' perspective, the effectiveness and relative safety of tramadol as an off-label antidepressant and to determine if patients' views and experiences are consistent with the biomedical literature. Method: A data mining approach was used to analyze databases available at drugs.com. Results: Tramadol was reported to be an effective or very effective antidepressant by 94.6% of patients (123/130) who provided ratings submitted to User Reviews for Tramadol to Treat Depression (https://www.drugs.com/comments/tramadol/for-depression.html). When compared to 34 other antidepressants in the database titled Drugs Used to treat Depression (https://www.drugs.com/condition/depression.html), for which there were ≥100 individual reviews for each drug, tramadol was rated as being the most effective (effectiveness rating = 9.1/10). Phenelzine (effectiveness rating = 8.7/10) was the only other antidepressant having ≥100 individual reviews coupled with a very high (8.0-10.0) effectiveness rating. Eleven patients reported significant symptoms of withdrawal upon cessation of tramadol, and five patients reported loss or reduction of libido as a side effect. Most (57/72, 79.2%) patients who reported a dose consumed experienced relief from depression at low therapeutic doses (25-150 mg/day). Fourteen patients reported taking this antidepressant for 5-10 years, and four patients reported taking tramadol for 10 or more years. Results demonstrated that most patients' comments and beliefs are consistent with the biomedical literature. Conclusions: Patients' reviews coupled with a survey of the biomedical literature indicate that at low therapeutic doses in the absence of interactions with other drugs, adult patients found tramadol to be a generally safe, effective, and fast-acting medication for relief from depression.
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Affiliation(s)
- John A. Bumpus
- Department of Chemistry and Biochemistry, University of Northern Iowa, Cedar Falls, Iowa 50614, United States
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Cyproheptadine for Serotonin Toxicity: an Updated Systematic Review and Grading of Evidence. CURRENT EMERGENCY AND HOSPITAL MEDICINE REPORTS 2020. [DOI: 10.1007/s40138-020-00222-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Mohan N, Edmonds KP, Ajayi TA, Atayee RS. Clinical Tolerability and Safety of Tramadol in Hospitalized Patients. J Pain Palliat Care Pharmacother 2020; 34:211-218. [PMID: 33016800 DOI: 10.1080/15360288.2020.1817227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Tramadol is a schedule IV, monoaminergic and μ-opioid-receptor analgesic with unique pharmacology properties. Though it is well established and widely utilized, there is little guidance on tramadol's place in therapy, including tolerability, safety and monitoring guidelines. Retrospective chart review of 250 patients who received oral tramadol during their hospitalization from January 1, 2018 to December 31, 2018. Of the 250 patients, 10.8% had cancer as their primary diagnosis while 8.8% were admitted for hematologic reasons. 79.1% of patients had acute pain. Palliative care consult or ICU admission resulted in significant discontinuation of tramadol (p < 0.05 odds ratio 6.88, 2.39). There was no significant relationship of hypoglycemia when evaluating days on tramadol, total number of doses on tramadol, and MEDD start and end (p = 0.36, 0.88, 0.15, 0.23 consecutively). The longer that patients were on tramadol and the more doses they received during their inpatient stay, the greater risk of a severe drug-drug interaction (p < 0.05; R 0.29). In hospitalized patients, the risk of major and severe drug-drug interactions with tramadol increased with dose and duration. Hospital medicine, bone marrow transplant, and emergency medicine teams predominantly used tramadol.
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Chen TC, Wang TC, Lin CP, Bonar K, Ashcroft DM, Chan KA, Chen LC. Increasing tramadol utilisation under strict regulatory control of opioid prescribing - A cross-sectional study in Taiwan from 2002 through 2016. J Formos Med Assoc 2020; 120:810-818. [PMID: 33011035 DOI: 10.1016/j.jfma.2020.09.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 04/27/2020] [Accepted: 09/15/2020] [Indexed: 10/23/2022] Open
Abstract
BACKGROUND/PURPOSE Prescribing of opioids to patients with non-cancer pain is strictly regulated in Taiwan, but tramadol is not included in the regulation on chronic opioid prescribing. This study aims to identify the utilization trend of prescribing tramadol and other opioid analgesics and investigate the influence of government regulation on opioid prescribing in Taiwan. METHODS This cross-sectional study used the Taiwan National Health Insurance claims database and the cancer registry from 2001 through 2016. The annual number of adult opioid users, opioid utilization (Defined Daily Doses [DDDs]/1000 registrants) and the number of supply days were enumerated for each calendar year and stratified by cancer or non-cancer patients. Descriptive statistics were used to report the trends in utilization for each calendar year. RESULTS The regulation strictly limited persistent use of opioids for patients with non-cancer pain, of which only a small proportion of fentanyl (20%) and morphine (<2%) users were prescribed with an annual number of supply days greater than 28 days. The annual utilization of morphine (6.4-53.5 vs. 1.1 to 9.6 DDD/1000 registrants) and fentanyl (8.3-37.0 vs. 0.16 to 1.8 DDD/1000 registrants) to patients with cancer was consistently higher than patients without cancer. In contrast to morphine and fentanyl, the utilization of tramadol prescribed to patients without cancer increased 92.2-fold (3.7-341.2 DDD/1000 registrants) from 2002 to 2016. CONCLUSION The regulation in Taiwan limited the prescribing of selective opioids for patients with non-cancer pain and the substitution of tramadol for other opioids may have safety implications.
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Affiliation(s)
- Teng-Chou Chen
- Centre for Pharmacoepidemiology and Drug Safety, Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom.
| | - Ting-Chun Wang
- Health Data Research Center, National Taiwan University, Taipei, Taiwan
| | - Chih-Peng Lin
- Department of Anesthesiology, National Taiwan University Hospital, and National Taiwan University College of Medicine, Taipei, Taiwan
| | - Kerina Bonar
- Mundipharma Research Limited, Cambridge Science Park, Milton Road, Cambridge, CB4 0AB, United Kingdom
| | - Darren M Ashcroft
- Centre for Pharmacoepidemiology and Drug Safety, Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom; NIHR Manchester Biomedical Research Centre, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK; NIHR Greater Manchester Patient Safety Translational Research Centre, Manchester Academic Health Science Centre, University of Manchester, Manchester, UK
| | - K Arnold Chan
- Health Data Research Center, National Taiwan University, Taipei, Taiwan
| | - Li-Chia Chen
- Centre for Pharmacoepidemiology and Drug Safety, Division of Pharmacy and Optometry, School of Health Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester Academic Health Science Centre, Stopford Building, Oxford Road, Manchester, M13 9PT, United Kingdom
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McMillan DM, El-Sherbeni AA, Richards J, Tyndale RF. Centrally administered CYP2D inhibitors increase oral tramadol analgesia in rats. Brain Res Bull 2020; 164:400-406. [PMID: 32926950 DOI: 10.1016/j.brainresbull.2020.09.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 09/01/2020] [Accepted: 09/06/2020] [Indexed: 12/13/2022]
Abstract
Cytochrome P450 2D (CYP2D) mediates the activation and inactivation of several classes of psychoactive drugs, including opioids, which can alter drug response. Tramadol is a synthetic opioid with analgesic activity of its own as well as being metabolically activated by CYP2D to O-desmethyltramadol (ODMST) an opioid receptor agonist. We investigated the impact of brain CYP2D metabolism on central tramadol and ODSMT levels, and resulting analgesic response after oral tramadol administration in rats. CYP2D inhibitors propranolol and propafenone were administered intracerebroventricularly prior to oral tramadol administration and analgesia was measured by tail-flick latency. Drug levels of tramadol and its metabolites, ODSMT and N-desmethyltramadol, were assessed in plasma and in brain by microdialysis using LC-ESI-MS/MS. Inhibiting brain CYP2D with propafenone pretreatment increased analgesia after oral tramadol administration (ANOVA p = 0.02), resulting in a 1.5-fold increase in area under the analgesia-time curve (AUC0-60, p < 0.01). This effect was associated with changes in the brain levels of tramadol and its metabolites consistent with brain CYP2D inhibition. In conclusion, under oral tramadol dosing pretreatment with a central administration of the CYP2D inhibitor propafenone increased analgesia (without altering plasma drug or metabolite levels), indicating that tramadol itself (and activity of CYP2D within the brain) contributed to analgesia.
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Affiliation(s)
- Douglas M McMillan
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
| | - Ahmed A El-Sherbeni
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada; Department of Clinical Pharmacy, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Janielle Richards
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
| | - Rachel F Tyndale
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada; Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, Ontario, Canada; Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada.
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17
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Serotonin Syndrome: A Real Risk of Anti-migraine Therapy. Indian Pediatr 2020. [DOI: 10.1007/s13312-020-1980-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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18
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Lonchampt S, Gerber F, Aubry JM, Desmeules J, Kosel M, Besson M. Pain interventions in adults with intellectual disability: A scoping review and pharmacological considerations. Eur J Pain 2020; 24:875-885. [PMID: 32060971 DOI: 10.1002/ejp.1547] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 01/31/2020] [Accepted: 02/09/2020] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND OBJECTIVE Having to deal on a daily routine with prescriptions in adults with intellectual disability (ID), we systematically reviewed the literature on the specificities of pain interventions in that population, focusing on medication and trying to gather practical information on appropriate pain treatments. Given the scarcity of the literature on the topic, we also discussed the pharmacological considerations to be taken into account when prescribing analgesic drugs in that vulnerable population. DATABASES AND DATA TREATMENT Articles on pain and ID were searched in the Medline and Google scholar electronic databases using the key words "Intellectual Disability," "Developmental Disability" and specific keywords for pharmacological and non-pharmacological pain interventions. Preset outcomes about pharmacological treatment specificity, efficacy and safety were then collected. RESULTS One hundred and fifty-two articles were found and 16 were retained based on our inclusion and exclusion criteria. Of the 16 articles, five were topical reviews. Among the 11 remaining articles, five discussed pharmacological interventions, four considered non-pharmacological interventions and two discussed both. As anticipated, the literature matching our specific outcomes about the pharmacological treatment of pain was scarce and for the most part not designed to answer the questions of specificity, efficacy and safety of pain treatment in adults with ID. CONCLUSION The specificity of analgesic treatments in adults with ID is a totally unexplored domain. In the absence of clinical guidelines, pharmacological facts-such as inter-individual variability in drug response, pharmacokinetic and pharmacodynamic interactions, frequent co-morbidities and ease of administration-must be systematically integrated, when prescribing in the population of adults with ID. SIGNIFICANCE This review synthesizes the state of research on pain interventions in adults with ID and is one of the rare articles addressing the specificities of analgesic prescriptions in this population.
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Affiliation(s)
- Sophie Lonchampt
- Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Psychopharmacology Unit, Geneva University Hospitals, Geneva, Switzerland.,Division of Psychiatric Specialties, Department of Psychiatry and Mental Health, Unit for Intellectual Disabilities and Autism in Adults, Geneva University Hospitals, Geneva, Switzerland
| | - Fabienne Gerber
- Division of Psychiatric Specialties, Department of Psychiatry and Mental Health, Unit for Intellectual Disabilities and Autism in Adults, Geneva University Hospitals, Geneva, Switzerland
| | - Jean-Michel Aubry
- Division of Psychiatric Specialties, Department of Psychiatry and Mental Health, Geneva University Hospitals, Geneva, Switzerland
| | - Jules Desmeules
- Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Pharmacology and Intensive Care, Geneva University Hospitals, Geneva, Switzerland
| | - Markus Kosel
- Division of Psychiatric Specialties, Department of Psychiatry and Mental Health, Unit for Intellectual Disabilities and Autism in Adults, Geneva University Hospitals, Geneva, Switzerland
| | - Marie Besson
- Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Psychopharmacology Unit, Geneva University Hospitals, Geneva, Switzerland.,Division of Clinical Pharmacology and Toxicology, Department of Anesthesiology, Intensive care and Pharmacology, Multidisciplinary Pain Center, Geneva University Hospitals, Geneva, Switzerland
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19
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Bachour RL, Golovko O, Kellner M, Pohl J. Behavioral effects of citalopram, tramadol, and binary mixture in zebrafish (Danio rerio) larvae. CHEMOSPHERE 2020; 238:124587. [PMID: 31425864 DOI: 10.1016/j.chemosphere.2019.124587] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 08/02/2019] [Accepted: 08/13/2019] [Indexed: 06/10/2023]
Abstract
Pharmaceuticals are emerging as environmentally problematic compounds. As they are often not appropriately removed by sewage treatment plants, pharmaceutical compounds end up in surface water environments worldwide at concentrations in the ng to μg L-1 range. There is a need to further explore single compound and mixture effects using e.g. in vivo test model systems. We have investigated, for the first time, behavioral effects in larval zebrafish (Danio rerio) exposed to a binary mixture of an antidepressant drug (citalopram) and a synthetic opioid (tramadol). Citalopram and tramadol have a similar mode of action (serotonin reuptake inhibition) and are known to produce drug-drug interactional effects resulting in serotonin syndrome (SS) in humans. Zebrafish embryo-larvae were exposed to citalopram, tramadol and 1:1 binary mixture from fertilization until 144 h post-fertilization. No effects on heart rate, spontaneous tail coiling, or death/malformations were observed in any treatment at tested concentrations. Behavior (hypoactivity in dark periods) was on the other hand affected, with lowest observed effect concentrations (LOECs) of 373 μg L-1 for citalopram, 320 μg L-1 for tramadol, and 473 μg L-1 for the 1:1 mixture. Behavioral EC50 was calculated to be 471 μg L-1 for citalopram, 411 μg L-1 for tramadol, and 713 μg L-1 for the 1:1 mixture. The results of this study conclude that tramadol and citalopram produce hypoactivity in 144 hpf zebrafish larvae. Further, a 1:1 binary mixture of the two caused the same response, albeit at a higher concentration, possibly due to SS.
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Affiliation(s)
- Raougina-Laouisa Bachour
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Oksana Golovko
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Martin Kellner
- Department of Natural Sciences, Technology and Environmental Studies, Södertörn University, Huddinge, Sweden
| | - Johannes Pohl
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden.
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20
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O'Connell N, Vallianatou K, Nicholson T, Blackman G, David AS. Response to The case against coprescribing opioids and antidepressants. Gen Hosp Psychiatry 2019; 61:89. [PMID: 31280920 DOI: 10.1016/j.genhosppsych.2019.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Accepted: 06/20/2019] [Indexed: 10/26/2022]
Affiliation(s)
- Nicola O'Connell
- Department of Public Health and Primary Care, Trinity College Dublin, Ireland.
| | - Kalliopi Vallianatou
- Pharmacy Department, South London and Maudsley NHS Foundation Trust, United Kingdom of Great Britain and Northern Ireland
| | - Timothy Nicholson
- Section of Cognitive Neuropsychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom of Great Britain and Northern Ireland
| | - Graham Blackman
- Section of Cognitive Neuropsychiatry, Institute of Psychiatry, Psychology and Neuroscience, King's College London, United Kingdom of Great Britain and Northern Ireland
| | - Anthony S David
- Institute of Mental Health, University College London, United Kingdom of Great Britain and Northern Ireland
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21
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Zebala JA, Searle SL, Webster LR, Johnson MS, Schuler AD, Maeda DY, Kahn SJ. Desmetramadol Has the Safety and Analgesic Profile of Tramadol Without Its Metabolic Liabilities: Consecutive Randomized, Double-Blind, Placebo- and Active Comparator-Controlled Trials. THE JOURNAL OF PAIN 2019; 20:1218-1235. [PMID: 31005596 PMCID: PMC6790288 DOI: 10.1016/j.jpain.2019.04.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 01/25/2019] [Accepted: 04/15/2019] [Indexed: 01/16/2023]
Abstract
Desmetramadol is an investigational analgesic consisting of (+) and (-) enantiomers of the tramadol metabolite O-desmethyltramadol (M1). Tramadol is racemic and exerts analgesia by monoaminergic effects of (-)-tramadol and (-)-M1, and by the opioid (+)-M1. Tramadol labeling indicates cytochrome P450 (CYP) isozyme 2D6 ultrarapid metabolizer can produce dangerous (+)-M1 levels, and CYP2D6 poor metabolizers insufficient (+)-M1 for analgesia. We hypothesized that desmetramadol could provide the safety and analgesia of tramadol without its metabolic liabilities. We conducted consecutive double-blind, randomized, placebo-controlled, 3 segment cross-over trials A and B to investigate the steady-state pharmacokinetics and analgesia of 20 mg desmetramadol and 50 mg tramadol in 103 healthy participants without (n = 43) and with (n = 60) cotreatment with the CYP inhibitor paroxetine. In the absence of CYP inhibition (trial A), 20 mg desmetramadol and 50 mg tramadol dosed every 6 hours gave equivalent steady-state (+)-M1, similar adverse events, and analgesia significantly greater than placebo, but equal to each other. In trial B, CYP inhibition significantly depressed tramadol steady-state (+)-M1, reduced its adverse events, and led to insignificant analgesia comparable with placebo. In contrast, CYP inhibition in trial B had no deleterious effect on desmetramadol (+)-M1 or (-)-M1, which gave significant analgesia as in trial A and superior to tramadol (P = .003). Desmetramadol has the safety and efficacy of tramadol without its metabolic liabilities. CLINICALTRIALS.GOV REGISTRATIONS: NCT02205554, NCT03312777 PERSPECTIVE: To our knowledge, this is the first study of desmetramadol in humans and the first to show it provides the same safety and analgesia as tramadol, but without tramadol's metabolic liabilities and related drug-drug interactions. Desmetramadol could potentially offer expanded safety and usefulness to clinicians seeking an alternative to schedule II opioids.
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22
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Irsay L, Checiches A, Perja D, Borda IM, Dogaru G, Ungur R, Ciubean A, Ciortea V. Pharmacological pain management in patients with chronic hepatic disease. BALNEO RESEARCH JOURNAL 2019. [DOI: 10.12680/balneo.2019.249] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Abstract
The liver has a central role in the pharmacokinetics (absorption, distribution, elimination, etc.) of drugs. With hepatic insufficiency, the metabolism of drugs decreases, which accumulates metabolically or toxic active products. Some medicines can aggravate a pre-existing liver disease. Medicines used in this group of patients (especially diuretics and centrally acting preparations) can often cause impaired renal function or hepatic encephalopathy. The general principles of assessment, pain management and analgesia should be prescribed taking into account the Word Health Organization (WHO) recommendations for these patients, with careful and frequent monitoring of patient progress during treatment administration.
Key words: hepatotoxicity, hepatic dysfunction, cirrhosis, pain medication,
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Affiliation(s)
- László Irsay
- “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Romania
| | | | - Dănuț Perja
- “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Romania
| | | | - Gabriela Dogaru
- “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Romania
| | - Rodica Ungur
- “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Romania
| | - Alina Ciubean
- “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Romania
| | - Viorela Ciortea
- “Iuliu Hatieganu” University of Medicine and Pharmacy Cluj-Napoca, Romania
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Abstract
OBJECTIVE To determine the risk of prolonged opioid use in patients receiving tramadol compared with other short acting opioids. DESIGN Observational study of administrative claims data. SETTING United States commercial and Medicare Advantage insurance claims (OptumLabs Data Warehouse) January 1, 2009 through June 30, 2018. PARTICIPANTS Opioid-naive patients undergoing elective surgery. MAIN OUTCOME MEASURE Risk of persistent opioid use after discharge for patients treated with tramadol alone compared with other short acting opioids, using three commonly used definitions of prolonged opioid use from the literature: additional opioid use (defined as at least one opioid fill 90-180 days after surgery); persistent opioid use (any span of opioid use starting in the 180 days after surgery and lasting ≥90 days); and CONSORT definition (an opioid use episode starting in the 180 days after surgery that spans ≥90 days and includes either ≥10 opioid fills or ≥120 days' supply of opioids). RESULTS Of 444 764 patients who met the inclusion criteria, 357 884 filled a discharge prescription for one or more opioids associated with one of 20 included operations. The most commonly prescribed post-surgery opioid was hydrocodone (53.0% of those filling a single opioid), followed by short acting oxycodone (37.5%) and tramadol (4.0%). The unadjusted risk of prolonged opioid use after surgery was 7.1% (n=31 431) with additional opioid use, 1.0% (n=4457) with persistent opioid use, and 0.5% (n=2027) meeting the CONSORT definition. Receipt of tramadol alone was associated with a 6% increase in the risk of additional opioid use relative to people receiving other short acting opioids (incidence rate ratio 95% confidence interval 1.00 to 1.13; risk difference 0.5 percentage points; P=0.049), 47% increase in the adjusted risk of persistent opioid use (1.25 to 1.69; 0.5 percentage points; P<0.001), and 41% increase in the adjusted risk of a CONSORT chronic opioid use episode (1.08 to 1.75; 0.2 percentage points; P=0.013). CONCLUSIONS People receiving tramadol alone after surgery had similar to somewhat higher risks of prolonged opioid use compared with those receiving other short acting opioids. Federal governing bodies should consider reclassifying tramadol, and providers should use as much caution when prescribing tramadol in the setting of acute pain as for other short acting opioids.
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Affiliation(s)
- Cornelius A Thiels
- Department of Surgery, Mayo Clinic, Rochester, MN, USA
- Mayo Clinic Robert D and Patricia E Kern Center for the Science of Health Care Delivery and Department of Health Services Research, Mayo Clinic, Rochester, MN 55905, USA
| | - Elizabeth B Habermann
- Mayo Clinic Robert D and Patricia E Kern Center for the Science of Health Care Delivery and Department of Health Services Research, Mayo Clinic, Rochester, MN 55905, USA
| | | | - Molly M Jeffery
- Mayo Clinic Robert D and Patricia E Kern Center for the Science of Health Care Delivery and Department of Health Services Research, Mayo Clinic, Rochester, MN 55905, USA
- OptumLabs, Cambridge, MA 02142, USA
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24
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Quand les vêtements demeurent la seule matrice disponible…. TOXICOLOGIE ANALYTIQUE ET CLINIQUE 2019. [DOI: 10.1016/j.toxac.2019.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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25
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Hassamal S, Miotto K, Dale W, Danovitch I. Tramadol: Understanding the Risk of Serotonin Syndrome and Seizures. Am J Med 2018; 131:1382.e1-1382.e6. [PMID: 29752906 DOI: 10.1016/j.amjmed.2018.04.025] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 04/02/2018] [Accepted: 04/02/2018] [Indexed: 11/19/2022]
Abstract
Tramadol is commonly prescribed for pain control because it presents a lower risk for addiction and respiratory depression compared to other opioids. However, tramadol's serotonin and norepinephrine reuptake inhibitory effects result in a unique adverse effect profile. Two such adverse events are serotonin syndrome and seizures. The prevalence of tramadol-induced serotonin syndrome and seizures is modest in the general population, but if left untreated, the morbidity and mortality can be high; therefore, prompt recognition and management is essential. Various risk factors such as medical comorbidities, use or abuse of supratherapeutic doses of tramadol, and concomitant administration of proconvulsant serotonergic cytochrome P-450 inhibitors will help clinicians identify individuals at an elevated risk for serotonin toxicity and seizures. Serotonin syndrome and seizures can be effectively treated by administering benzodiazepines, providing supportive care, and discontinuing tramadol and other contributing agents. Cyproheptadine should be administered in moderate to severe cases of serotonin syndrome. Our objective is to summarize the literature on the pharmacology, epidemiology, risk factors, clinical presentations, and evidence-based management of tramadol-related seizures and serotonin syndrome.
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Affiliation(s)
- Sameer Hassamal
- Department of Supportive Care Medicine, City of Hope, Duarte, Calif.
| | - Karen Miotto
- David Geffen School of Medicine at UCLA, Semel Institute of Neuroscience and Human Behavior, Los Angeles, Calif
| | - William Dale
- Department of Supportive Care Medicine, City of Hope, Duarte, Calif
| | - Itai Danovitch
- Department of Psychiatry and Behavioral Neurosciences, Cedars-Sinai Medical Center, Los Angeles, Calif
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Tramadol-Induced Mood Elevation in a Patient with No Previous Psychiatric History. Case Rep Psychiatry 2018; 2018:9574395. [PMID: 30364082 PMCID: PMC6188767 DOI: 10.1155/2018/9574395] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/30/2018] [Accepted: 09/17/2018] [Indexed: 11/17/2022] Open
Abstract
Tramadol is a powerful analgesic medication with antidepressant effects like venlafaxine. Hypomanic features were reported in patients with psychiatric history of mood disturbance when tramadol was prescribed for them. However, it is extremely rare to notice such mood-elevating effect in patients who have no previous psychiatric history. We report on the observation of a distressing mood-elevating effect for tramadol in a patient with no previous psychiatric history. We present the case of a 26-year-old female patient who developed accelerated flow of speech, overactivity, and difficulty in sleeping following intake of tramadol 50 mg dose. These symptoms resolved four hours later and recurred as she retook tramadol. The patient has no history of mood disorder or any other psychiatric comorbidity. Clinicians should exercise caution when prescribing tramadol.
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Abstract
Serotonin syndrome is a potentially fatal condition caused by drugs that affect serotonin metabolism or act as serotonin receptor agonists. Monoamine oxidase inhibitors, selective serotonin reuptake inhibitors, and serotonin-norepinephrine reuptake inhibitors are the medications most commonly associated with serotonin syndrome. Serotonin syndrome can be mild and of short duration, but a prolonged course, life-threatening complications, and death are possible. Detection of serotonin syndrome is not difficult if the diagnostic criteria are understood and properly used, but the syndrome has no confirmatory tests and other drug-induced syndromes can, to a degree, mimic serotonin syndrome. The treatment is symptomatic and supportive. Antidotal therapies are available, but the evidence for their effectiveness is limited. If serotonin syndrome is promptly identified and aggressively treated, the patient should fully recover.
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Affiliation(s)
- Dana Bartlett
- Dana Bartlett is a certified specialist in poison information. He works at the Connecticut Poison Control Center, University of Connecticut Health, Farmington, Connecticut.
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28
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Rakoski M, Goyal P, Spencer‐Safier M, Weissman J, Mohr G, Volk M. Pain management in patients with cirrhosis. Clin Liver Dis (Hoboken) 2018; 11:135-140. [PMID: 30992804 PMCID: PMC6385960 DOI: 10.1002/cld.711] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 01/27/2018] [Accepted: 02/23/2018] [Indexed: 02/04/2023] Open
Affiliation(s)
- Mina Rakoski
- Loma Linda University Health, 25865 Barton Rd, Ste 101Loma LindaCA 92354
| | - Preeya Goyal
- Loma Linda University Health, 25865 Barton Rd, Ste 101Loma LindaCA 92354
| | | | - Jill Weissman
- Loma Linda University Health, 25865 Barton Rd, Ste 101Loma LindaCA 92354
| | - Gina Mohr
- Loma Linda University Health, 25865 Barton Rd, Ste 101Loma LindaCA 92354
| | - Michael Volk
- Loma Linda University Health, 25865 Barton Rd, Ste 101Loma LindaCA 92354
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29
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Alpert CM, Smith MA, Hummel SL, Hummel EK. Symptom burden in heart failure: assessment, impact on outcomes, and management. Heart Fail Rev 2018; 22:25-39. [PMID: 27592330 DOI: 10.1007/s10741-016-9581-4] [Citation(s) in RCA: 158] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Evidence-based management has improved long-term survival in patients with heart failure (HF). However, an unintended consequence of increased longevity is that patients with HF are exposed to a greater symptom burden over time. In addition to classic symptoms such as dyspnea and edema, patients with HF frequently suffer additional symptoms such as pain, depression, gastrointestinal distress, and fatigue. In addition to obvious effects on quality of life, untreated symptoms increase clinical events including emergency department visits, hospitalizations, and long-term mortality in a dose-dependent fashion. Symptom management in patients with HF consists of two key components: comprehensive symptom assessment and sufficient knowledge of available approaches to alleviate the symptoms. Successful treatment addresses not just the physical but also the emotional, social, and spiritual aspects of suffering. Despite a lack of formal experience during cardiovascular training, symptom management in HF can be learned and implemented effectively by cardiology providers. Co-management with palliative medicine specialists can add significant value across the spectrum and throughout the course of HF.
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Affiliation(s)
- Craig M Alpert
- Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, MI, USA
| | - Michael A Smith
- Department of Clinical Pharmacy, University of Michigan College of Pharmacy, Ann Arbor, MI, USA.,Department of Pharmacy Services, University of Michigan Health System, Ann Arbor, MI, USA
| | - Scott L Hummel
- Department of Internal Medicine, Division of Cardiovascular Medicine, University of Michigan, Ann Arbor, MI, USA.,VA Ann Arbor Healthcare System, Ann Arbor, MI, USA
| | - Ellen K Hummel
- VA Ann Arbor Healthcare System, Ann Arbor, MI, USA. .,Department of Internal Medicine, Division of Geriatric and Palliative Medicine, University of Michigan, Ann Arbor, MI, USA. .,University of Michigan Frankel Cardiovascular Center, 1500 East Medical Center Dr., SPC 5233, Ann Arbor, MI, 48109-5233, USA.
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Paulzen M, Haen E, Hiemke C, Fay B, Unholzer S, Gründer G, Schoretsanitis G. Antidepressant polypharmacy and the potential of pharmacokinetic interactions: Doxepin but not mirtazapine causes clinically relevant changes in venlafaxine metabolism. J Affect Disord 2018; 227:506-511. [PMID: 29156365 DOI: 10.1016/j.jad.2017.11.046] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 10/07/2017] [Accepted: 11/11/2017] [Indexed: 12/28/2022]
Abstract
BACKGROUND To uncover pharmacokinetic interactions between venlafaxine and doxepin or mirtazapine in a naturalistic sample. METHODS A therapeutic drug monitoring database containing plasma concentrations of venlafaxine (VEN) and its active metabolite O-desmethylvenlafaxine (ODVEN) was analyzed. We included 1067 of 1594 patients in the analysis. Three study groups were considered; a group of patients under venlafaxine without confounding medications, V0 (n = 905), a group of patients co-medicated with doxepin, VDOX (n = 25) and a second group, co-medicated with mirtazapine, VMIR, n = 137. Plasma concentrations of VEN, ODVEN and the clinically relevant active moiety, sum of venlafaxine and O-desmethylvenlafaxine (ODVEN) (AM), as well as dose-adjusted plasma concentrations (C/D) were compared. RESULTS Median concentrations in the doxepin group showed 57.7% and 194.4% higher values for AM and VEN respectively; these differences were statistically significant (p < 0.001 for AM and p = 0.002 for VEN). Similar differences were detected for C/D concentrations of active moiety and VEN (p < 0.001 and p = 0.001) with higher values also in the doxepin group. The ratios ODVEN/VEN were lower in the doxepin group (p < 0.001). A co-medication with mirtazapine did not cause any changes in venlafaxine metabolism. CONCLUSIONS Higher concentrations for VEN and AM imply an inhibiting effect of doxepin on the metabolism of venlafaxine, although the huge variability of concentrations has to be taken into account. It is recommended to monitor plasma concentrations in combination treatment to avoid problems in safety and efficacy. LIMITATIONS Despite the large size of our study sample, the naturalistic nature of this data may arise some concerns of information bias potentially resulting from non-standardized data recording.
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Affiliation(s)
- Michael Paulzen
- Alexianer Hospital Aachen, Germany; Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, Aachen, Germany; JARA - Translational Brain Medicine, Aachen, Germany
| | - Ekkehard Haen
- Clinical Pharmacology, Department of Psychiatry and Psychotherapy and Department of Pharmacology and Toxicology, University of Regensburg, Regensburg, Germany
| | - Christoph Hiemke
- Department of Psychiatry and Psychotherapy and Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center of Mainz, Germany
| | - Bianca Fay
- Clinical Pharmacology, Department of Psychiatry and Psychotherapy and Department of Pharmacology and Toxicology, University of Regensburg, Regensburg, Germany
| | - Sandra Unholzer
- Clinical Pharmacology, Department of Psychiatry and Psychotherapy and Department of Pharmacology and Toxicology, University of Regensburg, Regensburg, Germany
| | - Gerhard Gründer
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, Aachen, Germany; JARA - Translational Brain Medicine, Aachen, Germany
| | - Georgios Schoretsanitis
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, Aachen, Germany; JARA - Translational Brain Medicine, Aachen, Germany; University Hospital of Psychiatry, Bern, Switzerland.
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Abstract
SummarySerotonin syndrome (serotonin toxicity or serotonin toxidrome) is a potentially serious and theoretically predictable reaction that appears to be rarely diagnosed in practice in the UK. Some symptoms of serotonin syndrome overlap with features of other presentations in psychiatry and thus may be misattributed to mental illness (‘diagnostic overshadowing’). Further, there may be diagnostic dilemmas in patients on combinations of drugs, those receiving drugs with previously unknown serotonergic properties or where there are drug interactions. Prescriber vigilance and holistic review of the patient, including the pharmacotherapy, may be helpful in avoiding progression of serotonin syndrome to more serious outcomes.
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Abstract
This chapter covers antidepressants that fall into the class of serotonin (5-HT) and norepinephrine (NE) reuptake inhibitors. That is, they bind to the 5-HT and NE transporters with varying levels of potency and binding affinity ratios. Unlike the selective serotonin (5-HT) reuptake inhibitors (SSRIs), most of these antidepressants have an ascending rather than a flat dose-response curve. The chapter provides a brief review of the chemistry, pharmacology, metabolism, safety and adverse effects, clinical use, and therapeutic indications of each antidepressant. Venlafaxine, a phenylethylamine, is a relatively weak 5-HT and weaker NE uptake inhibitor with a 30-fold difference in binding of the two transporters. Therefore, the drug has a clear dose progression, with low doses predominantly binding to the 5-HT transporter and more binding of the NE transporter as the dose ascends. Venlafaxine is metabolized to the active metabolite O-desmethylvenlafaxine (ODV; desvenlafaxine) by CYP2D6, and it therefore is subject to significant inter-individual variation in blood levels and response dependent on variations in CYP2D6 metabolism. The half-life of venlafaxine is short at about 5 h, with the ODV metabolite being 12 h. Both parent compound and metabolite have low protein binding and neither inhibit CYP enzymes. Therefore, both venlafaxine and desvenlafaxine are potential options if drug-drug interactions are a concern, although venlafaxine may be subject to drug-drug interactions with CYP2D6 inhibitors. At low doses, the adverse effect profile is similar to an SSRI with nausea, diarrhea, fatigue or somnolence, and sexual side effects, while venlafaxine at higher doses can produce mild increases in blood pressure, diaphoresis, tachycardia, tremors, and anxiety. A disadvantage of venlafaxine relative to the SSRIs is the potential for dose-dependent blood pressure elevation, most likely due to the NE reuptake inhibition caused by higher doses; however, this adverse effect is infrequently observed at doses below 225 mg per day. Venlafaxine also has a number of potential advantages over the SSRIs, including an ascending dose-antidepressant response curve, with possibly greater overall efficacy at higher doses. Venlafaxine is approved for MDD as well as generalized anxiety disorder, social anxiety disorder, and panic disorder. Desvenlafaxine is the primary metabolite of venlafaxine, and it is also a relatively low-potency 5-HT and NE uptake inhibitor. Like venlafaxine it has a favorable drug-drug interaction profile. It is subject to CYP3A4 metabolism, and it is therefore vulnerable to enzyme inhibition or induction. However, the primary metabolic pathway is direct conjugation. It is approved in the narrow dose range of 50-100 mg per day. Duloxetine is a more potent 5-HT and NE reuptake inhibitor with a more balanced profile of binding at about 10:1 for 5HT and NE transporter binding. It is also a moderate inhibitor of CYP2D6, so that modest dose reductions and careful monitoring will be needed when prescribing duloxetine in combination with drugs that are preferentially metabolized by CYP2D6. The most common side effects identified in clinical trials are nausea, dry mouth, dizziness, constipation, insomnia, asthenia, and hypertension, consistent with its mechanisms of action. Clinical trials to date have demonstrated rates of response and remission in patients with major depression that are comparable to other marketed antidepressants reviewed in this book. In addition to approval for MDD, duloxetine is approved for diabetic peripheral neuropathic pain, fibromyalgia, and musculoskeletal pain. Milnacipran is marketed as an antidepressant in some countries, but not in the USA. It is approved in the USA and some other countries as a treatment for fibromyalgia. It has few pharmacokinetic and pharmacodynamic interactions with other drugs. Milnacipran has a half-life of about 10 h and therefore needs to be administered twice per day. It is metabolized by CYP3A4, but the major pathway for clearance is direct conjugation and renal elimination. As with other drugs in this class, dysuria is a common, troublesome, and dose-dependent adverse effect (occurring in up to 7% of patients). High-dose milnacipran has been reported to cause blood pressure and pulse elevations. Levomilnacipran is the levorotary enantiomer of milnacipran, and it is pharmacologically very similar to the racemic compound, although the side effects may be milder within the approved dosing range. As with other NE uptake inhibitors, it may increase blood pressure and pulse, although it appears to do so less than some other medications. All medications in the class can cause serotonin syndrome when combined with MAOIs.
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Szkutnik-Fiedler D, Grabowski T, Balcerkiewicz M, Michalak M, Pilipczuk I, Wyrowski Ł, Urjasz H, Grześkowiak E. The influence of a single and chronic administration of venlafaxine on tramadol pharmacokinetics in a rabbit model. Pharmacol Rep 2017; 69:555-559. [PMID: 31994089 DOI: 10.1016/j.pharep.2017.01.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2016] [Revised: 01/24/2017] [Accepted: 01/26/2017] [Indexed: 11/26/2022]
Abstract
BACKGROUND The combined use of tramadol with selective serotonin and norepinephrine reuptake inhibitors e.g. venlafaxine may be associated with serotonin syndrome. No previous studies exist examining the influence of a weak CYP2D6 inhibitor venlafaxine on the pharmacokinetics of tramadol. Therefore, the aim of this study was to determine the effect of a single and chronic administration of venlafaxine on the pharmacokinetics of tramadol using a rabbit model. METHODS Adult New Zealand white rabbits of both sexes (n = 21) were used. Animals received 100 mg of tramadol per os (one slow release tablet) and 75 mg of venlafaxine (one prolonged release capsule), and were divided into four groups: control group - a single dose of tramadol alone, 1 day group - a single dose of tramadol and venlafaxine, 7 and 14 days groups - seven and fourteen days administration of venlafaxine once daily plus a single dose of tramadol on the last day of the study. RESULTS Venlafaxine administration over a period of 7 and 14 days resulted in faster elimination of tramadol compared to the control group: significantly higher values of kel, and lower values of t1/2kel and MRT for the 7 and 14 days group were observed. Although no differences in bioavailability of tramadol were obtained. CONCLUSION Using a rabbit model, there is no evidence that the combined administration of tramadol and venlafaxine may increase the plasma exposure of tramadol and therefore increase the risk of serotonin syndrome.
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Affiliation(s)
- Danuta Szkutnik-Fiedler
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Poznań, Poland.
| | | | - Monika Balcerkiewicz
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Poznań, Poland
| | - Michał Michalak
- Department of Computer Sciences and Statistics, Poznan University of Medical Sciences, Poznań, Poland
| | - Irina Pilipczuk
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Poznań, Poland
| | - Łukasz Wyrowski
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Poznań, Poland
| | - Hanna Urjasz
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Poznań, Poland
| | - Edmund Grześkowiak
- Department of Clinical Pharmacy and Biopharmacy, Poznan University of Medical Sciences, Poznań, Poland
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Safety issues related to the use of prescription drugs in patients with chronic diseases: a bibliographic review. DRUGS & THERAPY PERSPECTIVES 2017. [DOI: 10.1007/s40267-016-0371-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Gilbert-Gregory SE, Stull JW, Rice MR, Herron ME. Effects of trazodone on behavioral signs of stress in hospitalized dogs. J Am Vet Med Assoc 2016; 249:1281-1291. [DOI: 10.2460/javma.249.11.1281] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Raising the Minimum Effective Dose of Serotonin Reuptake Inhibitor Antidepressants: Adverse Drug Events. J Clin Psychopharmacol 2016; 36:483-91. [PMID: 27518478 DOI: 10.1097/jcp.0000000000000564] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
This review focuses on the dose-response of serotonin reuptake inhibitor (SRI) antidepressants for efficacy and for adverse drug events (ADEs). Dose-response is identified by placebo-controlled, double-blind, fixed-dose clinical trials comparing various doses for efficacy and for ADEs. Reports from the great majority of clinical trials have consistently found that the minimum SRI effective dose is usually optimal for efficacy in the treatment of depression disorders, even though most American medical practitioners raise the dose when early antidepressant treatment results are negative or partial. To better understand this issue, the medical literature was comprehensively reviewed to ascertain the degree to which SRI medications resulted in a flat dose response for efficacy and then to identify specific ADEs that are dose-dependent. Strong evidence from fixed-dose trial data for the efficacy of nonascendant, minimum effective doses of SRIs was found for the treatment of both major depression and anxiety disorders. Particularly important was the finding that most SRI ADEs have an ascending dose-response curve. These ADEs include sexual dysfunction, hypertension, cardiac conduction risks, hyperglycemia, decreased bone density, sweating, withdrawal symptoms, and agitation. Thus, routinely raising the SRI dose above the minimum effective dose for efficacy can be counter-productive.
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Lazzari M, Marcassa C, Natoli S, Carpenedo R, Caldarulo C, Silvi MB, Dauri M. Switching to low-dose oral prolonged-release oxycodone/naloxone from WHO-Step I drugs in elderly patients with chronic pain at high risk of early opioid discontinuation. Clin Interv Aging 2016; 11:641-9. [PMID: 27257377 PMCID: PMC4874636 DOI: 10.2147/cia.s105821] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
PURPOSE Chronic pain has a high prevalence in the aging population. Strong opioids also should be considered in older people for the treatment of moderate to severe pain or for pain that impairs functioning and the quality of life. This study aimed to assess the efficacy and safety of the direct switch to low-dose strong opioids (World Health Organization-Step III drugs) in elderly, opioid-naive patients. PATIENTS AND METHODS This was a single-center, retrospective, observational study in opioid-naive patients aged ≥75 years, with moderate to severe chronic pain (>6-month duration) and constipation, who initiated treatment with prolonged-release oxycodone/naloxone (OXN-PR). Patients were re-evaluated after 15, 30, and 60 days (T60, final observation). Response to treatment was defined as an improvement in pain of ≥30% after 30 days of therapy without worsening of constipation. RESULTS One-hundred and eighty-six patients (mean ± SD age 80.7±4.7 years; 64.5% women) with severe chronic pain (mean average pain intensity 7.1±1.0 on the 11-point numerical rating scale) and constipation (mean Bowel Function Index 64.1±24.4; 89.2% of patients on laxatives) were initiated treatment with OXN-PR (mean daily dose 11.3±3.5 mg). OXN-PR reduced pain intensity rapidly and was well tolerated; 63.4% of patients responded to treatment with OXN-PR. At T60 (mean daily OXN-PR dose, 21.5±9.7 mg), the pain intensity was reduced by 66.7%. In addition, bowel function improved (mean decrease of Bowel Function Index from baseline to T60, -28.2, P<0.0001) and the use of laxatives decreased. Already after 15 days and throughout treatment, ~70% of patients perceived their status as much/extremely improved. Only 1.6% of patients discontinued treatment due to adverse events. CONCLUSION Low-dose OXN-PR in elderly patients naive to opioids proved to be an effective option for the treatment of moderate to severe chronic pain. Large-scale trials are needed to improve clinical guidance in the assessment and treatment of pain in older people.
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Affiliation(s)
- Marzia Lazzari
- Department of Emergency and Critical Care Medicine, Pain Medicine and Anaesthesiology, Tor Vergata Polyclinic, University of Rome, Rome, Italy
| | - Claudio Marcassa
- Cardiology Division, Fondazione Maugeri IRCCS Veruno, Novara, Italy
| | - Silvia Natoli
- Department of Emergency and Critical Care Medicine, Pain Medicine and Anaesthesiology, Tor Vergata Polyclinic, University of Rome, Rome, Italy
| | - Roberta Carpenedo
- Department of Emergency and Critical Care Medicine, Pain Medicine and Anaesthesiology, Tor Vergata Polyclinic, University of Rome, Rome, Italy
| | - Clarissa Caldarulo
- Department of Emergency and Critical Care Medicine, Pain Medicine and Anaesthesiology, Tor Vergata Polyclinic, University of Rome, Rome, Italy
| | - Maria B Silvi
- Department of Emergency and Critical Care Medicine, Pain Medicine and Anaesthesiology, Tor Vergata Polyclinic, University of Rome, Rome, Italy
| | - Mario Dauri
- Department of Emergency and Critical Care Medicine, Pain Medicine and Anaesthesiology, Tor Vergata Polyclinic, University of Rome, Rome, Italy
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Golembiewski J. Rescheduling of Hydrocodone Combination Products: Potential Impact and Alternatives for Postoperative Pain Management. J Perianesth Nurs 2015; 30:244-8. [DOI: 10.1016/j.jopan.2015.01.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Accepted: 01/10/2015] [Indexed: 10/24/2022]
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Cazacu I, Mogosan C, Loghin F. Safety issues of current analgesics: an update. ACTA ACUST UNITED AC 2015; 88:128-36. [PMID: 26528060 PMCID: PMC4576793 DOI: 10.15386/cjmed-413] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 03/17/2015] [Indexed: 12/18/2022]
Abstract
Pain represents a complex experience which can be approached by various medicines. Non-opioid and opioid analgesics are the most common drugs used to manage different types of pain. The increased attention nowadays to pain management entailed concomitantly more frequent adverse drug reactions (ADRs) related to analgesic use. Drug-drug interactions can be sometimes responsible for the adverse effects. However, a significant proportion of analgesic ADRs are preventable, which would avoid patient suffering. In order to draw the attention to analgesics risks and to minimize the negative consequences related to their use, the present review comprises a synthesis of the most important safety issues described in the scientific literature. It highlights the potential risks of the most frequently used analgesic medicines: non-opioid (paracetamol, metamizole, non-steroidal anti-inflammatory drugs) and opioid analgesics. Even if there is a wide experience in their use, they continue to capture attention with safety concerns and with potential risks recently revealed. Acknowledging potential safety problems represents the first step for health professionals in assuring a safe and efficient analgesic treatment with minimum risks to patients. Taking into consideration all medical and environmental factors and carefully monitoring the patients are also essential in preventing and early detecting analgesic ADRs.
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Affiliation(s)
- Irina Cazacu
- Department of Pharmacology, Physiology and Pathophysiology, Faculty of Pharmacy, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Cristina Mogosan
- Department of Pharmacology, Physiology and Pathophysiology, Faculty of Pharmacy, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Felicia Loghin
- Department of Toxicology, Faculty of Pharmacy, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
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Lowe E, Hanchanale S, Hurlow A. Analgesic prescribing in palliative care. Br J Hosp Med (Lond) 2014; 75:703-7. [PMID: 25488534 DOI: 10.12968/hmed.2014.75.12.703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Pain management requires a multimodal approach involving pharmacological and non-pharmacological strategies. It is important to take a detailed history and examine the patient before prescribing any analgesia. This article focuses on assessment and management of pain in palliative care patients.
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Affiliation(s)
- Emma Lowe
- ST5 in Palliative Medicine, St James's University Hospital, Leeds LS9 7TF
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Cha HJ, Song MJ, Lee KW, Kim EJ, Kim YH, Lee Y, Seong WK, Hong SI, Jang CG, Yoo HS, Jeong HS. Dependence potential of tramadol: behavioral pharmacology in rodents. Biomol Ther (Seoul) 2014; 22:558-62. [PMID: 25489425 PMCID: PMC4256037 DOI: 10.4062/biomolther.2014.064] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2014] [Revised: 06/10/2014] [Accepted: 06/30/2014] [Indexed: 12/13/2022] Open
Abstract
Tramadol is an opioid analgesic agent that has been the subject of a series of case reports suggesting potential for misuse or abuse. However, it is not a controlled substance and is not generally considered addictive in Korea. In this study, we examined the dependence potential and abuse liability of tramadol as well as its effect on the dopaminergic and serotonergic systems in rodents. In animal behavioral tests, tramadol did not show any positive effects on the experimental animals in climbing, jumping, and head twitch tests. However, in the conditioned place preference and self-administration tests, the experimental animals showed significant positive responses. Taken together, tramadol affected the neurological systems related to abuse liability and has the potential to lead psychological dependence.
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Affiliation(s)
- Hye Jin Cha
- Pharmacological Research Division, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Chungju 361-709 ; Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 151-742, Republic of Korea
| | - Min Ji Song
- Pharmacological Research Division, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Chungju 361-709
| | - Kwang-Wook Lee
- Pharmacological Research Division, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Chungju 361-709
| | - Eun Jung Kim
- Pharmacological Research Division, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Chungju 361-709
| | - Young-Hoon Kim
- Pharmacological Research Division, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Chungju 361-709
| | - Yunje Lee
- Pharmacological Research Division, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Chungju 361-709
| | - Won-Keun Seong
- Pharmacological Research Division, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Chungju 361-709
| | - Sa-Ik Hong
- School of Pharmacy, Sungkyunkwan University, Suwon 440-746
| | - Choon-Gon Jang
- School of Pharmacy, Sungkyunkwan University, Suwon 440-746
| | - Han Sang Yoo
- Department of Infectious Diseases, College of Veterinary Medicine, Seoul National University, Seoul 151-742, Republic of Korea
| | - Ho-Sang Jeong
- Pharmacological Research Division, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Chungju 361-709
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