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Remimazolam (Anerem ® in Japan; ByFavo™ in the USA; Aptimyda™ in the EU) is an ultra-short-acting intravenous (IV) benzodiazepine sedative/anesthetic being developed by PAION AG in conjunction with a number of commercial partners for use in anesthesia and procedural sedation. Remimazolam was approved on 23 January 2020 in Japan for use in general anesthesia in adult patients. Remimazolam is also undergoing regulatory assessment in South Korea for this indication and for use in procedural sedation in the USA, the EU and China. This article summarises the major milestones in the development of remimazolam for this first approval for the induction and maintenance of general anaesthesia, and its potential upcoming approvals in general anaesthesia and procedural sedation.

Objectives To identify trends in concurrent use of a benzodiazepine and an opioid and to identify the impact of these trends on admissions to hospital and emergency room visits for opioid overdose.Design Retrospective analysis of claims data, 2001-13.Setting Administrative health claims database.Participants 315 428 privately insured people aged 18-64 who were continuously enrolled in a health plan with medical and pharmacy benefits during the study period and who also filled at least one prescription for an opioid.Interventions Concurrent benzodiazepine/opioid use, defined as an overlap of at least one day in the time periods covered by prescriptions for each drug. Main outcome measures Annual percentage of opioid users with concurrent benzodiazepine use; annual incidence of visits to emergency room and inpatient admissions for opioid overdose.Results 9% of opioid users also used a benzodiazepine in 2001, increasing to 17% in 2013 (80% relative increase). This increase was driven mainly by increases among intermittent, as opposed to chronic, opioid users. Compared with opioid users who did not use benzodiazepines, concurrent use of both drugs was associated with an increased risk of an emergency room visit or inpatient admission for opioid overdose (adjusted odds ratio 2.14, 95% confidence interval 2.05 to 2.24; P<0.001) among all opioid users. The adjusted odds ratio for an emergency room visit or inpatient admission for opioid overdose was 1.42 (1.33 to 1.51; P<0.001) for intermittent opioid users and 1.81 (1.67 to 1.96; P<0.001) chronic opioid users. If this association is causal, elimination of concurrent benzodiazepine/opioid use could reduce the risk of emergency room visits related to opioid use and inpatient admissions for opioid overdose by an estimated 15% (95% confidence interval 14 to 16).Conclusions From 2001 to 2013, concurrent benzodiazepine/opioid use sharply increased in a large sample of privately insured patients in the US and significantly contributed to the overall population risk of opioid overdose.

In a randomized trial involving patients with high-risk vascular disease, the cholesteryl ester transfer protein inhibitor evacetrapib had favorable effects on established lipid biomarkers but was not associated with a lower rate of cardiovascular events than placebo. Pharmacologic reduction of the low-density lipoprotein (LDL) cholesterol level with statins substantially decreases the risks of death and complications from cardiovascular causes. 1 , 2 Considerable interest has focused on the identification of approaches that might further reduce cardiovascular-event rates among high-risk patients. 3 Epidemiologic studies have shown inverse associations between high-density lipoprotein (HDL) cholesterol levels and cardiovascular outcomes, 4 – 6 a correlation that persists despite treatment with statins. 7 Nevertheless, therapeutic interventions that raise the HDL cholesterol level have not been shown to reduce cardiovascular risk. Cholesteryl ester transfer protein (CETP) modulates the transfer of esterified cholesterol from HDL to apolipoprotein B–containing lipoproteins. 8 Two . . .

Objective To study the association between benzodiazepine prescribing patterns including dose, type, and dosing schedule and the risk of death from drug overdose among US veterans receiving opioid analgesics.Design Case-cohort study.Setting Veterans Health Administration (VHA), 2004-09.Participants US veterans, primarily male, who received opioid analgesics in 2004-09. All veterans who died from a drug overdose (n=2400) while receiving opioid analgesics and a random sample of veterans (n=420 386) who received VHA medical services and opioid analgesics.Main outcome measure Death from drug overdose, defined as any intentional, unintentional, or indeterminate death from poisoning caused by any drug, determined by information on cause of death from the National Death Index.Results During the study period 27% (n=112 069) of veterans who received opioid analgesics also received benzodiazepines. About half of the deaths from drug overdose (n=1185) occurred when veterans were concurrently prescribed benzodiazepines and opioids. Risk of death from drug overdose increased with history of benzodiazepine prescription: adjusted hazard ratios were 2.33 (95% confidence interval 2.05 to 2.64) for former prescriptions versus no prescription and 3.86 (3.49 to 4.26) for current prescriptions versus no prescription. Risk of death from drug overdose increased as daily benzodiazepine dose increased. Compared with clonazepam, temazepam was associated with a decreased risk of death from drug overdose (0.63, 0.48 to 0.82). Benzodiazepine dosing schedule was not associated with risk of death from drug overdose.Conclusions Among veterans receiving opioid analgesics, receipt of benzodiazepines was associated with an increased risk of death from drug overdose in a dose-response fashion.

Long-term use of benzodiazepines can lead to dependence. Symptoms of withdrawal include anxiety, irritability, confusion, seizures, and sleep disorders. Withdrawal management relies on the use of a single agent (diazepam) and gradual dose reduction. Traditionally, various terms have been used to define substance use–related disorders. These include “addiction,” “misuse” (in the Diagnostic and Statistical Manual of Mental Disorders, fourth edition [DSM-IV] 1 ), “harmful use” (in the International Classification of Diseases, 10th Revision [ICD-10] 2 ), and “dependence.” 3 Long-term intake of a drug can induce tolerance of the drug’s effects (i.e., increased amounts are needed to achieve intoxication, or the person experiences diminished effects with continued use 4 ) and physical dependence. Addiction is defined by compulsive drug-seeking behavior or an intense desire to take a drug despite severe medical or social consequences. The DSM-IV and ICD-10 . . .

Background Remimazolam besylate is a newer benzodiazepine with characteristics of quick onset of effects, short maintenance and recovery times without accumulation in tissues. This trial was conducted to confirm the efficacy and safety of remimazolam besylate versus propofol during hysteroscopy. Methods Patients undergoing hysteroscopy were randomly assigned to either the remimazolam (Group R) or the propofol group (Group P). Group R was administered an induction dose of 0.2 mg/kg and a maintenance dosage of 1.0 mg/kg/h. In Group P, propofol was started at 1.5–2.0 mg/kg and then maintained at 3.0–6.0 mg/kg/h. After remimazolam besylate or propofol induction, remifentanil was infused using a target-controlled infusion system with a target concentration of 1.5 ng/ml and titrated during the procedure. The incidence rates of injection pain, low oxygen saturation (SpO 2 ) and adverse effects in both groups were compared. Results Eighty-two patients were included in this study. The incidence of adverse events in Group R (3.7%) was significantly lower than that in Group P (36.6%) ( p  < 0.001). The incidence of injection pain in Group P (80.5%) was much higher than that in Group R (2.4%) ( p  < 0.001). The incidence of other adverse events, such as low SpO 2 , bradycardia, and hypotension in Group R was lower than that in Group P ( p  < 0.05). Conclusions Remimazolam besylate proves to be a safer alternative for anesthesia during hysteroscopy. Moreover, adverse events caused by propofol, such as low SpO 2 and injection pain, are largely avoided. Trial registration This study was approved by the Clinical Research Ethics Committee of Mengcheng County No. 1 People’s Hospital (2020MYL20003) and registered at http://www.chictr.org.cn (15/09/2020, ChiCTR-2000038252 ). The study protocol followed the CONSORT guidelines. The study protocol was performed in the relevant guidelines.

The addition of olanzapine to a neurokinin receptor blocker, a serotonin receptor blocker, and dexamethasone markedly improved the control of nausea and vomiting in previously untreated patients receiving highly emetogenic chemotherapy. Chemotherapy-induced nausea and vomiting are associated with a significant deterioration in quality of life and are perceived by patients as major adverse effects of cancer treatment. 1 The use of 5-hydroxytryptamine type 3 (5-HT 3 ) receptor antagonists, 2 dexamethasone, 2 and neurokinin-1 (NK 1 ) receptor antagonists 3 – 9 has significantly improved the control of this troublesome side effect. International guidelines 10 – 12 recommend combinations of these agents to prevent chemotherapy-induced nausea and vomiting in patients receiving moderately or highly emetogenic chemotherapy. Nonetheless, nausea remains a major problem for many patients. 1 , 2 Olanzapine is approved by the Food and Drug Administration (FDA) as an . . .

Objective To determine whether higher cumulative use of benzodiazepines is associated with a higher risk of dementia or more rapid cognitive decline.Design Prospective population based cohort.Setting Integrated healthcare delivery system, Seattle, Washington.Participants 3434 participants aged ≥65 without dementia at study entry. There were two rounds of recruitment (1994-96 and 2000-03) followed by continuous enrollment beginning in 2004.Main outcomes measures The cognitive abilities screening instrument (CASI) was administered every two years to screen for dementia and was used to examine cognitive trajectory. Incident dementia and Alzheimer’s disease were determined with standard diagnostic criteria. Benzodiazepine exposure was defined from computerized pharmacy data and consisted of the total standardized daily doses (TSDDs) dispensed over a 10 year period (a rolling window that moved forward in time during follow-up). The most recent year was excluded because of possible use for prodromal symptoms. Multivariable Cox proportional hazard models were used to examine time varying use of benzodiazepine and dementia risk. Analyses of cognitive trajectory used linear regression models with generalized estimating equations.Results Over a mean follow-up of 7.3 years, 797 participants (23.2%) developed dementia, of whom 637 developed Alzheimer’s disease. For dementia, the adjusted hazard ratios associated with cumulative benzodiazepine use compared with non-use were 1.25 (95% confidence interval 1.03 to 1.51) for 1-30 TSDDs; 1.31 (1.00 to 1.71) for 31-120 TSDDs; and 1.07 (0.82 to 1.39) for ≥121 TSDDs. Results were similar for Alzheimer’s disease. Higher benzodiazepine use was not associated with more rapid cognitive decline.Conclusion The risk of dementia is slightly higher in people with minimal exposure to benzodiazepines but not with the highest level of exposure. These results do not support a causal association between benzodiazepine use and dementia.

Mining the data contained within Electronic Health Records (EHRs) can potentially generate a greater understanding of medication effects in the real world, complementing what we know from Randomised control trials (RCTs). We Propose a text mining approach to detect adverse events and medication episodes from the clinical text to enhance our understanding of adverse effects related to Clozapine, the most effective antipsychotic drug for the management of treatment-resistant schizophrenia, but underutilised due to concerns over its side effects. We used data from de-identified EHRs of three mental health trusts in the UK (>50 million documents, over 500,000 patients, 2835 of which were prescribed Clozapine). We explored the prevalence of 33 adverse effects by age, gender, ethnicity, smoking status and admission type three months before and after the patients started Clozapine treatment. Where possible, we compared the prevalence of adverse effects with those reported in the Side Effects Resource (SIDER). Sedation, fatigue, agitation, dizziness, hypersalivation, weight gain, tachycardia, headache, constipation and confusion were amongst the highest recorded Clozapine adverse effect in the three months following the start of treatment. Higher percentages of all adverse effects were found in the first month of Clozapine therapy. Using a significance level of (p< 0.05) our chi-square tests show a significant association between most of the ADRs and smoking status and hospital admission, and some in gender, ethnicity and age groups in all trusts hospitals. Later we combined the data from the three trusts hospitals to estimate the average effect of ADRs in each monthly interval. In gender and ethnicity, the results show significant association in 7 out of 33 ADRs, smoking status shows significant association in 21 out of 33 ADRs and hospital admission shows the significant association in 30 out of 33 ADRs. A better understanding of how drugs work in the real world can complement clinical trials.

Various adverse events resulting from, or associated with, benzodiazepine and/or Z-drug use have been extensively reported on and discussed in great detail within the biomedical literature. It is widely accepted that motor vehicle accidents and falls leading to fractures in older adults are major adverse events that have been shown to occur more frequently in users of sedative-hypnotic medication, especially of the benzodiazepine and related Z-drug variety. However, the last few years have seen increasing reports in the literature raising the issue of benzodiazepine and Z-drug exposure in the development of other serious medical issues including dementia, infections, respiratory disease exacerbation, pancreatitis, and cancer. This article provides an overview and interpretation on the current state of evidence regarding each of these associations and proposes what gaps in the evidence for drug-exposure–harm associations need to be addressed in the future for the purpose of evaluating causality of harm as it relates to these drugs.