Original Research

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Recently published articles about Original Research

PCC
Daylight Duration and rTMS Outcomes in Treatment-Resistant Depression
Original Research

February 3, 2026

The authors examine the possible impact of daylight duration during the course of repetitive transcranial magnetic stimulation on its efficacy in patients with treatment-resistant depression.
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JCP
Factors Associated with Revisiting the Emergency Department due to Suicidal Behavior in Children and Adolescents
Original Research

January 28, 2026

Within 6 months of the initial emergency department (ED) visit, 21.7% of patients who initially attended the ED for self-injurious thoughts and behaviors returned for the same reason.
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JCP
How Many Criteria Should be Required to Define the DSM-5 Mixed Features Specifier in Depressed Patients?
Original Research

January 21, 2026

In a study of 459 depressed patients, results did not support lowering the DSM-5-TR diagnostic threshold for the mixed features specifier from 3 to 2 criteria.
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JCP
Geographic Differences in Cannabis Use and Cannabis Use Disorder in the US Veteran Population
Original Research

January 19, 2026

Significant regional differences were observed in cannabis use and cannabis use disorder (CUD). Veterans in the Pacific region had the highest rates of cannabis use and CUD.
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JCP
Identifying Optimal Thresholds for Early Opioid Use Frequency in Predicting Buprenorphine Outcomes
Original Research

January 14, 2026

Even very low levels of opioid use in the first 2–3 weeks of buprenorphine treatment signal risk for poor outcomes.
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JCP
Video Therapy Habit Reversal Training for Body-Focused Repetitive Behaviors
Original Research

January 12, 2026

Large treatment effects and improvements across the lifespan for trichotillomania and excoriation disorder suggest this delivery format may address barriers to evidence-based care.
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JCP
Innovation in Psychiatric Drug Development: A Quantitative Analysis of FDA-Approved Psychiatric Drugs, 2012–2024
Original Research

January 12, 2026

Innovation in psychiatric drug development in the past 13 years was limited, with most new drugs representing incremental advances rather than groundbreaking innovations.
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JCP
Digital Cognitive Intervention in Older People at Risk of Dementia
Original Research

January 7, 2026

A 6-month digital multi-domain intervention enhanced general cognitive function and visuospatial memory and reduced loneliness in older adults at high risk for dementia.
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PCC
Family Support for Patients With Substance Use Disorders
Original Research

January 6, 2026

Family inclusion in SUD treatment improves patient outcomes, but provider referrals remain limited; health care providers should prioritize connecting patients with available family support resources.
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JCP
Psychiatric Hospitalization and Suicide Attempts in Healthcare Professionals
Original Research

December 31, 2025

Daily suicidal ideation and severe sleep disturbances were found to synergistically elevate suicide risk among healthcare professionals.
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JCP
Valproic Acid Use in Females of Reproductive Age
Original Research

December 15, 2025

Approximately 1 in 5 valproic acid (VPA) prescriptions between 2017 to 2022 were prescribed to females of reproductive age. Only 14% of females of reproductive age using VPA were...
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JCP
Obstetric Outcomes of Oral Versus Long-Acting Antipsychotics
Original Research

December 10, 2025

Similar rates of gestational diabetes, eclampsia, preeclampsia, and maternal hypertensive disorders were observed with long-acting injectable and oral second-generation antipsychotics.
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