BMC neurology · 2026
Efficacy and safety of low-dose trazodone hydrochloride for insomnia in patients with myasthenia gravis.
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Peng Jing-Ting, Kong Xiu-Yun, Li Ran, Cao Yang-Yue, Jiang Han-Qiu, Wang Jia-Wei, Cui Shi-Lei
Аннотация
BACKGROUND: The management of insomnia in patients with myasthenia gravis (MG) poses a clinical challenge, as MG is a well-recognized contraindication to sedative-hypnotic agents. This retrospective study aimed to assess the efficacy and safety of low-dose trazodone hydrochloride for the management of insomnia in MG patients.
METHODS: Clinical data were collected from MG patients with comorbid insomnia who received low-dose trazodone hydrochloride (25-100 mg, once nightly, for ≥ 4 weeks). Enrolled patients were stratified into three groups based on Self-Rating Depression Scale (SDS) scores: pure insomnia group (SDS: 0-52), mild depression group (SDS: 53-62), and moderate-to-severe depression group (SDS ≥ 63). Changes in Pittsburgh Sleep Quality Index (PSQI) scores, SDS scores, and Myasthenia Gravis Activities of Daily Living (MG-ADL) scores before and after trazodone hydrochloride administration were analyzed.
RESULTS: Total 68 MG patients were enrolled, including 17 cases of ocular MG and 51 cases of mild generalized MG. Of these patients, 18 (26.5%) were assigned to the pure insomnia group, 30 (44.1%) to the mild depression group, and 20 (29.4%) to the moderate-to-severe depression group. Post-treatment PSQI scores were significantly reduced compared to baseline across all groups (all p < 0.01). The mild depression group exhibited a significant decrease in SDS scores after treatment (p < 0.01), whereas no significant reduction in SDS scores was observed in the moderate-to-severe depression group. No patients experienced an increase in MG-ADL scores. Mild adverse events were reported in 4 patients (5.9%), including hypotension (n = 2), dizziness (n = 1), and nausea (n = 1).
CONCLUSIONS: Low-dose trazodone hydrochloride demonstrates favorable efficacy and safety in improving insomnia in patients with stable and mild MG.
METHODS: Clinical data were collected from MG patients with comorbid insomnia who received low-dose trazodone hydrochloride (25-100 mg, once nightly, for ≥ 4 weeks). Enrolled patients were stratified into three groups based on Self-Rating Depression Scale (SDS) scores: pure insomnia group (SDS: 0-52), mild depression group (SDS: 53-62), and moderate-to-severe depression group (SDS ≥ 63). Changes in Pittsburgh Sleep Quality Index (PSQI) scores, SDS scores, and Myasthenia Gravis Activities of Daily Living (MG-ADL) scores before and after trazodone hydrochloride administration were analyzed.
RESULTS: Total 68 MG patients were enrolled, including 17 cases of ocular MG and 51 cases of mild generalized MG. Of these patients, 18 (26.5%) were assigned to the pure insomnia group, 30 (44.1%) to the mild depression group, and 20 (29.4%) to the moderate-to-severe depression group. Post-treatment PSQI scores were significantly reduced compared to baseline across all groups (all p < 0.01). The mild depression group exhibited a significant decrease in SDS scores after treatment (p < 0.01), whereas no significant reduction in SDS scores was observed in the moderate-to-severe depression group. No patients experienced an increase in MG-ADL scores. Mild adverse events were reported in 4 patients (5.9%), including hypotension (n = 2), dizziness (n = 1), and nausea (n = 1).
CONCLUSIONS: Low-dose trazodone hydrochloride demonstrates favorable efficacy and safety in improving insomnia in patients with stable and mild MG.