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Sustained Increase of Sedative-Hypnotic Prescribing During the COVID-19 Pandemic in a Large Urban Health System: an Observational Study

INTRODUCTION

The COVID-19 pandemic, its associated economic effects, episodes of striking violence against Black individuals, and record-breaking wildfires have resulted in significant mental health challenges in the USA. In April 2020, 45% of US adults reported that their mental health had been negatively impacted. 1 Isolation, job loss, and fears about infection have led to increases in anxiety, depression, and sleep disturbance. 2

Cognitive-behavioral therapy, meditation, sleep hygiene, and selective serotonin reuptake inhibitors (SSRIs) are recommended first-line treatments for the management of anxiety and insomnia, with sedative-hypnotics such as benzodiazepines (e.g., alprazolam) and z-drugs (e.g., zolpidem) identified for short-term symptom relief. 3,4 Long-term use of these medications is associated with adverse effects including cognitive impairment, motor vehicle crashes, and fractures, particularly among older adults.5 When taken concurrently with opioids, benzodiazepines increase the risk of overdose. 6 Current guidance recommends limiting sedative-hypnotic prescriptions to short-term needs.

Given the rise in anxiety and sleep disturbance, our objective was to examine prescribing patterns in primary care from June 30, 2019, to September 27, 2020, in a large urban health system in Southern California. We highlight the effect on prescribing on major regional events, including the LA County “Safer at Home” order (March 19, 2020), the second statewide shutdown (July 1, 2020), and the start of a major fire burning near Los Angeles County, the Bobcat fire (September 6, 2020).

METHODS

Using electronic health record data, we included all prescriptions for sedative-hypnotics written by non-trainee internal medicine and family medicine providers in a network of ~100,000 insured patients (Medicare and private insurance). We excluded prescriptions for patients with cancer given different prescribing guidelines. To describe how prescribing changed over time, we fit a piecewise regression. We used monthly data on the total number of patients in the network to calculate weekly prescribing rates. Our primary outcome was prescriptions in each week per 1000 patients.

We used Cochran-Armitage tests to analyze trends over the study period for four prescribing metrics, including the proportion of prescriptions: (1) with a days’ supply of ≥10; (2) with new starts, defined as a new prescription for patients without a prior prescription in the last year; (3) for patients age ≥65; and (4) with authorized refills. Prescriptions with ≥10 days’ supply potentially reflect non short-term use.

RESULTS

Our piecewise regression (Fig. 1) showed rising slope in the prescribing rate from June 2019 to March 2020 (an increase of 0.05 prescriptions/1000 patients, 95%CI: 0.03 to 0.06), a general stabilization in slope from early-March to mid-July 2020 (−0.00, 95%CI: −0.03 to 0.02), an increase in slope from mid-July to late-August 2020 (0.13, 95%CI: 0.04 to 0.21), and a strong increase in September 2020 (0.21, 95%CI: 0.01 to 0.42) (Fig. 1).

Figure 1
figure 1

Fitted piecewise regression of weekly prescribing sedative-hypnotic prescribing rates in the primary care setting of a large urban health system over four periods from June 30, 2019, to September 27, 2020.

Table 1 shows trends over time for the four metrics. Notably, the proportion of prescriptions with a days’ supply ≥10 days increased after the first “Safer at Home” order and then leveled off. The proportion of prescriptions that represented new starts significantly decreased over time while those with authorized refills decreased significantly.

Table 1 Trends in Total Sedative-Hypnotic Prescriptions, Prescribing Rates, and Four Prescribing Patterns in a Large Urban Health System in Southern California Over Four Time Periods

DISCUSSION

The events of 2020 led to substantial levels of anxiety, resulting in increasing sedative-hypnotic prescribing rates. Interestingly, we found rising prescription rates prior to the first “Safer at Home” statewide order, highlighting a need to address the potential overprescribing of sedative-hypnotics.

We also found a prominent increase in prescribing after the second state shutdown. Sustained stress may have led patients to request more sedative-hypnotics from already-stressed providers. Moreover, the bandwidth of primary care providers to discuss, implement, and facilitate referrals for non-medication options was likely strained during 2020. Patients’ abilities to engage in behavioral approaches was likely also limited.

However, our findings show that while the prescribing rates increased, the proportion of prescriptions which were new starts decreased over time, as did the proportion of prescriptions with authorized refills. Primary care clinicians in the health system may have been prescribing one-time prescriptions for managing severe bouts of anxiety. Clinicians should have a plan prior to prescribing sedative-hypnotics, encouraging patients to establish routines during chaotic times and offering non-pharmacologic alternatives to prevent long-term medication use. Limitations of this analysis include lack of medication fill data, data on indication, and detailed demographic data. Given that this is a fully insured population (Medicare/private insurance), the findings are less generalizable to non-insured or Medicaid populations.

References

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Correspondence to Michelle S. Keller PhD, MPH.

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Keller, M.S., Kiefer, E., Campbell, S. et al. Sustained Increase of Sedative-Hypnotic Prescribing During the COVID-19 Pandemic in a Large Urban Health System: an Observational Study. J GEN INTERN MED 36, 3618–3620 (2021). https://doi.org/10.1007/s11606-021-06868-5

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