June 23, 2026

Top News
Definium’s Phase 3 LSD Trial Hits Primary Endpoint in Major Depression
Journal Article
Medical and Cultural Approach to Obsessive-Compulsive Disorder

This case report demonstrates that religious OCD responds comparably to standard OCD subtypes with optimized SSRI monotherapy or augmentation, challenging the notion of inherently poorer treatment outcomes.

Journal Article
Gender-specific symptom outcomes on cariprazine treatment: a 12-month naturalistic longitudinal follow-up study in schizophrenia

A 12-month naturalistic study found that while both men and women with schizophrenia showed significant improvements on cariprazine, distinct gender-specific response profiles emerged across symptom domains.

Neuroscience
Network Mapping Uncovers 641 Hidden Schizophrenia Risk Genes

A large-scale genomic study identified 641 novel risk genes for schizophrenia through network mapping, potentially informing future precision medicine approaches.

Drug Development
MapLight to discuss autism drug's future with FDA after Phase 2 miss

MapLight Therapeutics' Phase 2 trial for its autism drug ML-004 failed to meet its primary endpoint, prompting discussions with the FDA regarding the drug's future development.

Drug Development
Breaking: Definium Lands Positive Phase 3, LSD Candidate Shows Strong Antidepressant Effect - Psychedelic Alpha

Definium Therapeutics reported positive Phase 3 results for its LSD candidate demonstrating strong antidepressant effects, marking a significant clinical trial readout for psychedelic psychiatry.

Clinical Pearls

Bite-sized clinical takeaways from today's literature (sources from Jun 16 – Jun 23)

  • Consider that early single-dose benzodiazepine prescriptions following mass trauma do not appear to increase subsequent PTSD risk, challenging the traditional blanket avoidance of these agents in acute stress settings.
  • Initiating psychotherapy is associated with significant simplification of psychotropic regimens, including reduced polypharmacy and benzodiazepine use, without increasing total medication dose.
  • Religious OCD responds comparably to standard OCD subtypes with optimized SSRI monotherapy or augmentation, so do not assume inherently poorer outcomes based on the religious content of obsessions.
  • In adults with dementia, nearly 8% initiate CNS-active polypharmacy primarily involving antidepressants and quetiapine, warranting careful review of prescribing guidelines to mitigate risks.
  • ADHD medication use is associated with reduced risks of suicidality, criminality, drug misuse, and car accidents, supporting its broader protective benefits beyond symptom control.
  • Cariprazine produces significant improvements in schizophrenia symptoms for both genders, but distinct gender-specific response profiles across symptom domains should guide individualized treatment adjustments.
  • Definium Therapeutics' Phase 3 results for the LSD-based candidate DT120 show significant improvement in major depressive disorder, signaling potential advancement of psychedelic therapeutics in clinical practice.
  • A large-scale genomic study identified 641 novel risk genes for schizophrenia through network mapping, which may inform future precision medicine approaches and target identification.

Journal Article 2

Posttrauma Benzodiazepine Use and Subsequent PTSD: A Population-Wide Analysis Following Extreme Traumatic Exposure

A large population-wide cohort study addresses the long-standing clinical question of whether post-trauma benzodiazepine prescribing increases subsequent PTSD risk, leveraging a natural experiment to mitigate confounding by indication.

ADHD Medication Use Lowers the Risk of Suicidality, Criminality, Drug Misuse, Car Accidents: Study - ADDitude

A study indicates that ADHD medication use is associated with reduced risks of suicidality, criminality, drug misuse, and car accidents.

Drug Development 3

Definium reports Phase 3 hit for LSD drug in severe form of depression

Definium Therapeutics reported positive Phase 3 results for its LSD-based candidate DT120 in major depressive disorder, indicating significant improvement in depression symptoms.

STAT+: Definium LSD therapy helped patients with major depression in late-stage trial

Definium Therapeutics reported positive Phase 3 results for DT120, an LSD-based therapy for major depression, showing significant symptom reduction compared to placebo.

Definium’s LSD formula produces ‘best data ever seen’ in a pivotal depression trial, CEO says

Definium Therapeutics reports top-line Phase 3 data for its proprietary LSD formulation in a pivotal depression trial, signaling potential advancement of psychedelic therapeutics for major depressive disorder.

Diagnosis & Treatment 4

The Challenges of PTSD Prevention: Placing Benzodiazepine Use in Context

A large cohort study suggests that single early prescriptions of benzodiazepines after mass trauma do not increase PTSD risk, challenging the blanket guideline against their use for acute distress prevention.

dACC-Targeted Temporal Interference for Negative and Cognitive Symptoms in Schizophrenia

A clinical trial is recruiting to evaluate temporal interference stimulation targeting the dACC for treating negative and cognitive symptoms in schizophrenia.

Characterizing treatment initiation with central nervous system–active polypharmacy among adults with dementia

A large Medicare cohort study reveals that 7.8% of adults with dementia initiate CNS-active polypharmacy, primarily involving antidepressants and quetiapine, highlighting a need for prescribing guidelines to mitigate risks.

Psychotherapy initiation is associated with discontinuation of psychotropic medications without dose escalation: a ten-year real-world cohort study (2014-2024)

A large real-world cohort study demonstrates that initiating psychotherapy is associated with significant simplification of psychotropic regimens (reduced polypharmacy and benzodiazepine use) without increasing total medication dose.