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Susceptibility to Treatment-Resistant Depression Within Families
JAMA Psychiatry ( IF 22.5 ) Pub Date : 2024-04-03 , DOI: 10.1001/jamapsychiatry.2024.0378 Chih-Ming Cheng, Mu-Hong Chen, Shih-Jen Tsai, Wen-Han Chang, Chia-Fen Tsai, Wei-Chen Lin, Ya-Mei Bai, Tung-Ping Su, Tzeng-Ji Chen, Cheng-Ta Li
JAMA Psychiatry ( IF 22.5 ) Pub Date : 2024-04-03 , DOI: 10.1001/jamapsychiatry.2024.0378 Chih-Ming Cheng, Mu-Hong Chen, Shih-Jen Tsai, Wen-Han Chang, Chia-Fen Tsai, Wei-Chen Lin, Ya-Mei Bai, Tung-Ping Su, Tzeng-Ji Chen, Cheng-Ta Li
ImportanceAntidepressant responses and the phenotype of treatment-resistant depression (TRD) are believed to have a genetic basis. Genetic susceptibility between the TRD phenotype and other psychiatric disorders has also been established in previous genetic studies, but population-based cohort studies have not yet provided evidence to support these outcomes.ObjectiveTo estimate the TRD susceptibility and the susceptibility between TRD and other psychiatric disorders within families in a nationwide insurance cohort with extremely high coverage and comprehensive health care data.Design, Setting, and ParticipantsThis cohort study assessed data from the Taiwan national health insurance database across entire population (N = 26 554 001) between January 2003 and December 2017. Data analysis was performed from August 2021 to April 2023. TRD was defined as having experienced at least 3 distinct antidepressant treatments in the current episode, each with adequate dose and duration, based on the prescribing records. Then, we identified the first-degree relatives of individuals with TRD (n = 34 467). A 1:4 comparison group (n = 137 868) of first-degree relatives of individuals without TRD was arranged for the comparison group, matched by birth year, sex, and kinship.Main Outcomes and MeasuresModified Poisson regression analyses were performed and adjusted relative risks (aRRs) and 95% CIs were calculated for the risk of TRD, the risk of other major psychiatric disorders, and different causes of mortality.ResultsThis study included 172 335 participants (88 330 male and 84 005 female; mean [SD] age at beginning of follow-up, 22.9 [18.1] years). First-degree relatives of individuals with TRD had lower incomes, more physical comorbidities, higher suicide mortality, and increased risk of developing TRD (aRR, 9.16; 95% CI, 7.21-11.63) and higher risk of other psychiatric disorders than matched control individuals, including schizophrenia (aRR, 2.36; 95% CI, 2.10-2.65), bipolar disorder (aRR, 3.74; 95% CI, 3.39-4.13), major depressive disorder (aRR, 3.65; 95% CI, 3.44-3.87), attention-deficit/hyperactivity disorders (aRR, 2.38; 95% CI, 2.20-2.58), autism spectrum disorder (aRR, 2.26; 95% CI, 1.86-2.74), anxiety disorder (aRR, 2.71; 95% CI, 2.59-2.84), and obsessive-compulsive disorder (aRR, 3.14; 95% CI, 2.70-3.66). Sensitivity and subgroup analyses validated the robustness of the findings.Conclusions and RelevanceTo our knowledge, this study is the largest and perhaps first nationwide cohort study to demonstrate TRD phenotype transmission across families and coaggregation with other major psychiatric disorders. Patients with a family history of TRD had an increased risk of suicide mortality and tendency toward antidepressant resistance; therefore, more intensive treatments for depressive symptoms might be considered earlier, rather than antidepressant monotherapy.
更新日期：2024-04-03
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