Dataset Information

Benzodiazepines, z-Hypnotics, and Risk of Dementia: Special Considerations of Half-Lives and Concomitant Use.

ABSTRACT: The utilization of benzodiazepines (BZDs) and z-hypnotics has substantially increased with the aging of the population, but the risk of BZDs and z-hypnotics in the development of dementia remains a strong concern. This cohort study aimed to evaluate the risk of BZDs and z-hypnotics for subsequent dementia development with a special consideration of their half-lives and the concomitant use of these medications. People aged 65 years and older who were newly prescribed oral BZDs or z-hypnotics between 2003 and 2012 were identified from Taiwan's National Health Insurance Research Database. All BZDs were categorized as long-acting drugs (??20 h) or short-acting drugs (

SUBMITTER: Tseng LY

PROVIDER: S-EPMC7007460 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Benzodiazepines, z-Hypnotics, and Risk of Dementia: Special Considerations of Half-Lives and Concomitant Use.

Tseng Li-Yen LY Huang Shih-Tsung ST Peng Li-Ning LN Chen Liang-Kung LK Hsiao Fei-Yuan FY

Neurotherapeutics : the journal of the American Society for Experimental NeuroTherapeutics 20200101 1

The utilization of benzodiazepines (BZDs) and z-hypnotics has substantially increased with the aging of the population, but the risk of BZDs and z-hypnotics in the development of dementia remains a strong concern. This cohort study aimed to evaluate the risk of BZDs and z-hypnotics for subsequent dementia development with a special consideration of their half-lives and the concomitant use of these medications. People aged 65 years and older who were newly prescribed oral BZDs or z-hypnotics betw ...[more]

PMID: 31802436

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Project description:Importance:Understanding the safety profile of medications used in pregnancy is crucial for clinical decision-making. Few studies exist on the associations of exposure to benzodiazepines and benzodiazepine-like hypnotic drugs (z-hypnotics) in pregnancy with pregnancy outcomes. Objective:To determine whether exposure to benzodiazepines or z-hypnotics in pregnancy is associated with greater risk of negative immediate pregnancy outcomes compared with nonexposure. Design, Setting, and Participants:This questionnaire-based cohort study used data from the Norwegian Mother, Father and Child cohort study (MoBa), which also includes data from the Medical Birth Registry of Norway. Pregnant women were recruited from all over Norway from 1999 and 2008. The first child was born in October 1999 and the last in July 2009. This analysis included women who completed 3 questionnaires, twice during pregnancy and once 6 months after delivery. Data analyses were conducted from September to November 2019. Exposures:Self-reported exposure to benzodiazepines or z-hypnotics during pregnancy, characterized in terms of any exposure, timing (ie, early, middle, or late), and duration of exposure. Main Outcomes and Measures:The main outcomes were gestational age at delivery, risk of preterm delivery, birth weight, birth weight relative to gestational age and sex, risk of being small for gestational age, head circumference, Apgar score less than 7 at 5 minutes, and risk of neonatal respiratory distress. Continuous outcomes are reported using effect estimates as mean differences, and binary outcomes are reported using risk ratios. Results:The MoBa study included 114?234 mother-child dyads. This analysis of MoBa data includes 82?038 singleton pregnancies among 69?434 unique women. Mean (SD) maternal age was 30.2 (4.5) years, and 37?641 pregnancies (45.9%) were in primiparous women. Exposure to benzodiazepines or z-hypnotics was reported in 679 pregnancies (0.8%). After adjusting for all measured baseline and postbaseline confounders, benzodiazepine or z-hypnotic use during pregnancy was associated with lower birth weight (mean difference, -79.3 [95% CI, -126.7 to -31.9] g), lower gestational age at birth (mean difference, -2.1 [95% CI, -3.3 to -0.9] days), and higher risk of preterm birth (risk ratio, 1.41 [95% CI, 1.03 to 1.94]). We found no significant association of exposure to benzodiazepines or z-hypnotics with the child's birth weight relative to gestational age and sex (z score), or any of the other immediate birth outcomes. Conclusions and Relevance:These findings suggest that the magnitude of the association of exposure to benzodiazepines or z-hypnotics with gestational age is not necessarily clinically significant. The absence of an association of exposure to benzodiazepines or z-hypnotics with z score for birth weight relative to gestational age and sex suggests that association of exposure to benzodiazepines or z-hypnotics with birth weight could be explained by earlier delivery rather than impaired intrauterine growth.

Project description:BackgroundConcurrent use of benzodiazepines in opioid users has been linked to a higher risk of an emergency room visit or inpatient admission for opioid overdose and death from drug overdose. Further research is needed to confirm the findings and analyze contributing risk factors for opioid overdoses in a large commercially insured population.ObjectivesTo estimate the risk of opioid overdose associated with opioid users exposed to various combinations of opioid, benzodiazepine, and non-benzodiazepine sedative-hypnotic therapy. To identify other factors that are associated with increased risk for opioid overdose.DesignRetrospective cohort study.PatientsNew start adult users of opioids, defined as naïve to opioids for 6 months, in Kaiser Permanente California regions from January 2013 through September 2017.Main measuresInpatient or emergency department admissions due to opioid-related overdose.Key resultsA total of 2,241,530 patients were included in this study. Patients exposed to opioids, benzodiazepines, and non-benzodiazepine sedative-hypnotics at any point during their follow-up were 60% more likely to overdose than those who were only exposed to opioids (p < 0.0001). Those exposed to opioids and benzodiazepines were 20% more likely to have an opioid-related overdose than those exposed to opioids only (p < 0.0001). Significant risk factors for opioid overdose included exposure to all three medication classes, higher opioid dosage strengths, elderly age (age ≥ 65 years), history of previous overdose, and substance use disorder.ConclusionsResults from this study demonstrate a significant increase in risk of opioid overdose in patients exposed to combinations of sedative-hypnotics with opioids compared to those only taking opioids. Findings from this study provide evidence that opioids should be avoided in combination with benzodiazepines and non-benzodiazepine sedative-hypnotics, used at the lowest dose possible, and used with caution in the elderly, those with previous history of overdose, and those with substance use disorder at baseline.

Dataset Information

Benzodiazepines, z-Hypnotics, and Risk of Dementia: Special Considerations of Half-Lives and Concomitant Use.

Publications

Benzodiazepines, z-Hypnotics, and Risk of Dementia: Special Considerations of Half-Lives and Concomitant Use.

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