Abstract
Objective
Brexanolone (Zulresso®) that was approved for the USA in March 2019 is indicated for the treatment of postpartum depression (PPD), but information on adverse drug reactions (ADRs) associated with its use is limited. The main aim of this study was to explore the postmarketing safety profile of brexanolone.
Methods
In our case/non-case pharmacovigilance study based on the FDA Adverse Event Reporting System (FAERS), the reporting odds ratio and information component with 95% confidence intervals were estimated as measures of disproportionate reporting. Primary disproportionality analyses were performed by comparing brexanolone with all other drugs or selective serotonin reuptake inhibitors (SSRIs). Sensitivity analyses were performed on a subset of perinatal depression.
Results
We identified 267 cases using brexanolone. Brexanolone was reported as a primary or secondary suspect drug in most cases (n = 260, 97.38%). Of the total brexanolone cases, positive dechallenge and discontinuation accounted for 12.36% (n = 33) and 26.22% (n = 70), respectively. Serious outcomes were reported in 11.61% (n = 31) patients. Compared to all the other drugs or SSRIs within the same time window, the reporting risks of brexanolone were mainly from psychiatric and nervous systems. Sensitivity analyses indicated that these significant disproportionalities were mostly retained.
Conclusion
Our pharmacovigilance analysis showed a high reporting frequency of psychiatric and nervous system ADRs associated with the use of brexanolone. In additional prospective research, these signals urgently need to be clarified.
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Data availability
Publicly available datasets were analyzed in this study. This data can be found here: https://fis.fda.gov/extensions/FPD-QDE-FAERS/FPD-QDE-FAERS.html.
Abbreviations
- PPD:
-
Postpartum depression
- SSRIs:
-
Selective serotonin reuptake inhibitors
- GABAARs:
-
Gamma-aminobutyric acid type A receptors
- ADRs:
-
Adverse drug reactions
- FAERS:
-
FDA Adverse Event Reporting System
- PTs:
-
Preferred Terms
- ATC:
-
Anatomical therapeutic chemical
- ROR:
-
Reporting odds ratio
- IC:
-
Information component
- AEs:
-
Adverse drug events
- SOC:
-
System organ classes
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The authors acknowledge the FDA Adverse Events Reporting System.
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YZ, MLZ, and JPZ were responsible for study design, data acquisition and interpretation, statistical analysis, and writing and editing of the manuscript. WHX and JBL aided in data acquisition and interpretation and statistical analysis. All authors contributed to have approved the final manuscript.
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Zhang, M., Xie, W., Li, J. et al. Postmarketing safety profile of brexanolone: a pharmacovigilance analysis based on FDA Adverse Event Reporting System (FAERS). Arch Womens Ment Health 27, 35–44 (2024). https://doi.org/10.1007/s00737-023-01378-1
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DOI: https://doi.org/10.1007/s00737-023-01378-1