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Recent Advances in the Treatment of Treatment-Resistant Depression: A Narrative Review of Literature Published from 2018 to 2023

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Abstract

Purpose of Review

We review recent advances in the treatment of treatment-resistant depression (TRD), a disorder with very limited treatment options until recently. We examine advances in psychotherapeutic, psychopharmacologic, and interventional psychiatry approaches to treatment of TRD. We also highlight various definitions of TRD in recent scientific literature.

Recent Findings

Recent evidence suggests some forms of psychotherapy can be effective as adjunctive treatments for TRD, but not as monotherapies alone. Little recent evidence supports the use of adjunctive non-antidepressant pharmacotherapies such as buprenorphine and antipsychotics for the treatment of TRD; side effects and increased medication discontinuation rates may outweigh the benefits of these adjunctive pharmacotherapies. Finally, a wealth of recent evidence supports the use of interventional approaches such as electroconvulsive therapy, ketamine/esketamine, and transcranial magnetic stimulation for TRD.

Summary

Recent advances in our understanding of how to treat TRD have largely expanded our knowledge of best practices in, and efficacy of, interventional psychiatric approaches. Recent research has used a variety of TRD definitions for study inclusion criteria; research on TRD should adhere to inclusion criteria based on internationally defined guidelines for more meaningfully generalizable results.

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References

Papers of particular interest, published recently, have been highlighted as: • Of importance •• Of major importance

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Authors and Affiliations

Authors

Contributions

TGR and JLH conceptualized the study. JLH, SW, and TGR wrote the manuscript text. JLH and SW prepared tables. KT, RSM, and JHK reviewed and edited the manuscript.

Corresponding author

Correspondence to Taeho Greg Rhee.

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Conflict of Interest

  1. 1.

    Havlik reported none.

  2. 2.

    Wahid reported none.

  3. 3.

    Teopiz has received fees from Braxia Scientific Corp.

  4. 4.

    McIntyre has received research grant support from CIHR/GACD/National Natural Science Foundation of China (NSFC) and the Milken Institute; speaker/consultation fees from Lundbeck, Janssen, Alkermes, Neumora Therapeutics, Boehringer Ingelheim, Sage, Biogen, Mitsubishi Tanabe, Purdue, Pfizer, Otsuka, Takeda, Neurocrine, Sunovion, Bausch Health, Axsome, Novo Nordisk, Kris, Sanofi, Eisai, Intra-Cellular, NewBridge Pharmaceuticals, Viatris, Abbvie, Atai Life Sciences. Dr. McIntyre is a CEO of Braxia Scientific Corp.

  5. 5.

    Krystal has served as a consultant for: Aptinyx, Inc.; Biogen, Idec, MA; Bionomics, Limited (Australia); Boehringer Ingelheim International; Clearmind Medicine, Inc.; Cybin IRL (Ireland Limited Company); Enveric Biosciences; Epiodyne, Inc.; EpiVario, Inc.; Janssen Research & Development; Jazz Pharmaceuticals, Inc.; Otsuka America Pharmaceutical, Inc.; Perception Neuroscience, Inc.; Praxis Precision Medicines, Inc.; Spring Care, Inc.; Sunovion Pharmaceuticals, Inc. Dr. Krystal has served as a scientific advisory board member for: Biohaven Pharmaceuticals; BioXcel Therapeutics, Inc. (Clinical Advisory Board); Cerevel Therapeutics, LLC; Delix Therapeutics, Inc.; Eisai, Inc.; EpiVario, Inc.; Freedom Biosciences, Inc.; Jazz Pharmaceuticals, Inc.; Neumora Therapeutics, Inc.; Neurocrine Biosciences, Inc.; Novartis Pharmaceuticals Corporation; Praxis Precision Medicines, Inc.; PsychoGenics, Inc.; Tempero Bio, Inc.; Terran Biosciences, Inc. In the past 3 years, Dr. Krystal has the following patents: John Krystal, Godfrey Pearlson, Stephanie O’Malley, Marc Potenza, Fabrizio Gasparini, Baltazar Gomez-Mancilla, Vincent Malaterre. Mavoglurant in treating gambling and gaming disorders. U.S. Provisional Patent Application No. 63/125,181filed on December 14, 2020 by Yale University Office of Cooperative Research OCR 8065 US00. In addition, Dr. Krystal has stock options from: Biohaven Pharmaceuticals Medical Sciences; Clearmind Medicine, Inc.; EpiVario, Inc.; Neumora Therapeutics, Inc.; Tempero Bio, Inc.; Terran Biosciences, Inc.

  6. 6.

    Rhee was supported in part by the National Institute on Aging (NIA) through Yale School of Medicine (#T32AG019134) in the past 3 years. Dr. Rhee has also been funded by the NIA (#R21AG070666; R21AG078972; R01AG080647), National Institute of Mental Health (#R21MH117438; R01MH131528), National Institute on Drug Abuse (#R21DA057540) and Institute for Collaboration on Health, Intervention, and Policy (InCHIP) of the University of Connecticut. Dr. Rhee serves as a review committee member for Patient-Centered Outcomes Research Institute (PCORI) and Substance Abuse and Mental Health Services Administration (SAMHSA) and has received honoraria payments from PCORI and SAMHSA. Dr. Rhee has also served as a stakeholder/consultant for PCORI and received consulting fees from PCORI. Dr. Rhee serves as an advisory committee member for International Alliance of Mental Health Research Funders (IAMHRF). Dr. Rhee is currently a co-editor-in-chief of Mental Health Science and has received honorarium payments annually from the publisher, John Wiley & Sons, Inc.

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Havlik, J.L., Wahid, S., Teopiz, K.M. et al. Recent Advances in the Treatment of Treatment-Resistant Depression: A Narrative Review of Literature Published from 2018 to 2023. Curr Psychiatry Rep 26, 176–213 (2024). https://doi.org/10.1007/s11920-024-01494-4

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