Abstract
The habenula (Hb) is a phylogenetically old structure connecting forebrain and brainstem monoaminergic nuclei that has been implicated in the pathogenesis of depression. Here, to investigate the clinical efficacy and neural mechanisms of stimulating the Hb for alleviating depression symptoms in humans, we bilaterally implanted electrodes in six patients with treatment-resistant depression and delivered high-frequency stimulation. Compared to baseline, we observed a substantial reduction in Hamilton Depression Rating Scale scores: 62.1% at 1-month, 64.0% at 3-month and 66.2% at 6-month follow-up. Local field potential data showed that acute Hb stimulation increased theta-band power, especially in the right side, which was related to the following clinical remission. Moreover, functional magnetic resonance imaging data showed that acute Hb stimulation enhanced blood oxygen level-dependent responses of the medial orbitofrontal cortex, raphe and substantia nigra, which are important components of the dopaminergic and serotonergic systems. Our findings demonstrated that Hb stimulation can alleviate depressive symptoms and modulate the activity of the medial orbitofrontal cortex, raphe and substantia nigra in treatment-resistant depression patients. This trial was registered under the clinical trial numbers NCT03667872 and ChiCTR2100045363.
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Data availability
All data generated or analyzed are included in the manuscript and supporting files. Source data are provided with this paper.
Code availability
The publicly available software and code for the analysis has been described in Methods of our manuscript. The code for LFP analysis can be accessed at https://github.com/nercnlab/LFP-analysis/blob/main/Num_LFP%20analysis (ref. 50).
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Acknowledgements
We thank Q. Cui and Y. Tian at the National Engineering Research Center of Neuromodulation for assistance in the reconstruction of implanted DBS images. We also thank Beijing PINS Medical Equipment Co., Ltd. for donating the most cutting-edge DBS systems. This work was supported by the Scientific Foundation of Institute of Psychology, Chinese Academy of Sciences (E2CX6515, Z.W.), the National Key Research and Development Program of China (2019YFC0118503, Z.C.), the Shenzhen International Cooperative Research Project (GJHZ20180930110402104, L.L.) and the National Natural Science Foundation of China (82101549, Z.W.).
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Z.W.: conceptualization, data curation, formal analysis, funding acquisition, investigation, methodology, project administration, visualization, writing—original draft, writing—review and editing. C.J.: data curation, investigation, methodology, writing—original draft. L.G.: data curation, investigation, methodology, software, writing—original draft. L.Z.: formal analysis, methodology, software, visualization, writing—original draft. T.F.: conceptualization, data curation, methodology, supervision. J.W.: data curation, methodology. X.C.: data curation, methodology, supervision. Y.Z.: data curation, methodology, supervision. C.Y.: data curation, methodology. B.P.: data curation, methodology. F.W.: visualization. C.H.: funding acquisition, project administration. Z.C.: conceptualization, data curation, funding acquisition, project administration, resources, supervision, writing—review and editing. Y.T.: formal analysis, methodology, visualization, writing—original draft, writing—review and editing. L.L.: conceptualization, funding acquisition, resources, supervision, writing—review and editing.
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Nature Mental Health thanks Jürgen Germann and the other, anonymous reviewer(s) for their contribution to the peer review of this work.
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Supplementary Tables 1–5 and Figs. 1 and 2.
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Source Data Fig. 2
The HDRS17 and HARS scores of each patient at baseline, 1-, 3- and 6-month follow-up.
Source Data Fig. 3
The statistical source of PSD data in the left and right Hb at month 0.
Source Data Fig. 4
The statistical source of fMRI data in the left and right Hb at month 0.
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Wang, Z., Jiang, C., Guan, L. et al. Deep brain stimulation of habenula reduces depressive symptoms and modulates brain activities in treatment-resistant depression. Nat. Mental Health 2, 1045–1052 (2024). https://doi.org/10.1038/s44220-024-00286-2
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DOI: https://doi.org/10.1038/s44220-024-00286-2