Cited by 67Treatment of Major DepressionTryptophan and brain disordersMental Health and Psychiatry

Burning down the house: reinventing drug discovery in psychiatry for the development of targeted therapies

Open access
Miller, Andrew H., Raison, Charles L.·2023·Molecular Psychiatry

Abstract

Despite advances in neuroscience, limited progress has been made in developing new and better medications for psychiatric disorders. Available treatments in psychiatry rely on a few classes of drugs that have a broad spectrum of activity across disorders with limited understanding of mechanism of action. While the added value of more targeted therapies is apparent, a dearth of pathophysiologic mechanisms exists to support targeted treatments, and where mechanisms have been identified and drugs developed, results have been disappointing. Based on serendipity and early successes that led to the current drug armamentarium, a haunting legacy endures that new drugs should align with outdated and overinclusive diagnostic categories, consistent with the idea that "one size fits all". This legacy has fostered clinical trial designs focused on heterogenous populations of patients with a single diagnosis and non-specific outcome variables. Disturbingly, this approach likely contributed to missed opportunities for drugs targeting the hypothalamic-pituitary-adrenal axis and now inflammation. Indeed, cause-and-effect data support the role of inflammatory processes in neurotransmitter alterations that disrupt specific neurocircuits and related behaviors. This pathway to pathology occurs across disorders and warrants clinical trial designs that enrich for patients with increased inflammation and use primary outcome variables associated with specific effects of inflammation on brain and behavior. Nevertheless, such trial designs have not been routinely employed, and results of anti-inflammatory treatments have been underwhelming. Thus, to accelerate development of targeted therapeutics including in the area of inflammation, regulatory agencies and the pharmaceutical industry must embrace treatments and trials focused on pathophysiologic pathways that impact specific symptom domains in subsets of patients, agnostic to diagnosis. Moreover, closer collaboration among basic and clinical investigators is needed to apply neuroscience knowledge to reveal disease mechanisms that drive psychiatric symptoms. Together, these efforts will support targeted treatments, ultimately leading to new and better therapeutics in psychiatry.

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Research works printed but not linked: 2

  1. [14]Healy D The Discovery of Antidepressants. The Antidepressant Era. Cambridge, MA: Harvard University Press; 1997. p. 43– 77.
  2. [78]Chokhawala K, Stevens L. Antipsychotic Medications. StatPearls. Treasure Island (FL): StatPearls Publishing Copyright © 2022, StatPearls Publishing LLC; 2022. 30137788

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Authors
Miller, A. H., & Raison, C. L.
Affiliations
  • Emory University (US)
  • University of Wisconsin–Madison (US)
Corresponding author
Miller, Andrew H.
Venue
Molecular Psychiatry
Published
2022-12-02
Volume
28
Issue
1
Pages
68-75
ISSN
  • 1359-4184 (ISSN-L)
  • 1476-5578
OpenAlex
W4310644014
Cited by
67
References
97
Citations by year
2026: 8 · 2025: 24 · 2024: 23 · 2023: 12
FWCI
2.12
Type
journal article
Language
en
Open access
Locations
  • Molecular Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • U.S. Department of Health & Human Services | NIH | National Institute of Mental Health (R21 MH121891, R44 MH125480, R01 MH112076, R01 MH128872)
  • U.S. Department of Health & Human Services | NIH | National Center for Advancing Translational Sciences (UL1TR002378)
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Biological Psychiatry › Tryptophan and brain disorders
  • Social Sciences › Arts and Humanities › Philosophy › Mental Health and Psychiatry
Keywords
psychiatric drug discovery, targeted therapy, inflammation, hypothalamic-pituitary-adrenal axis, anti-inflammatory therapy, clinical trial design, diagnostic categories, pathophysiological mechanisms, neurotransmitter alterations, neural circuits, regulatory policy
MeSH terms
Humans, Hypothalamo-Hypophyseal System, Inflammation, Pituitary-Adrenal System, Psychiatry, Drug Discovery

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