JAMA Network Open
June 1, 2026
Martin Walter, Christine Zu Eulenburg, Ani Damyanova et al.
1 citation
Ketamine exerts rapid antidepressant effects. However, currently available ketamine-based treatments are associated with dissociative and cardiovascular adverse effects. To evaluate the antidepressant efficacy and tolerability of KET01, a novel, oral, prolonged-release racemic ketamine tablet formulation. KET01-03 was an active-comparator, double-blind, double-dummy, crossover phase 1...
JAMA Network Open
May 15, 2026
Hampus Yngwe, Pontus Plavén-sigray, Carl Johan Ekman et al.
1 citation
Importance: Psilocybin has been proposed as a rapid-acting antidepressant (onset 6 weeks), but evidence from randomized clinical trials remains limited, particularly in the broader major depressive disorder (MDD) population. Objective: To assess short-term and long-term antidepressant effects of psilocybin therapy in patients with MDD. Design, Setting, and Participants: This double-blind,...
JAMA Network Open
May 7, 2026
Peter S. Hendricks, Sara N Lappan, Richard C. Shelton et al.
4 citations
Importance: Cocaine use disorder is a serious public health problem and no medications have been proven effective for its treatment. Objective: To evaluate psilocybin in the treatment of cocaine use disorder. It was hypothesized that psilocybin, compared with placebo, would yield a higher percentage of cocaine abstinent days, a greater likelihood of complete abstinence from cocaine, and a...
JAMA Network Open
May 1, 2026
C Austin Zamarripa, Spencer Lin, Mckenna Klausner et al.
Simultaneous cannabis and alcohol use (co-use) is a public safety concern. Controlled data on the effects of co-ingestion of oral cannabis products (edibles) with alcohol are lacking, despite an increased prevalence of this behavior. To evaluate the individual and interactive effects of cannabis edibles and alcohol on simulated driving and subjective and objective impairment measures. This...
JAMA Network Open
March 10, 2026
Mw Johnson, Gideon P. Naudé, Peter S. Hendricks et al.
6 citations
Importance: Annual tobacco-related death estimates are 480 000 in the US and 8 million worldwide, surpassing mortality for other abused substances. Most smoking cessation interventions result in modest long-term success. Objective: To compare prolonged smoking abstinence rates in smokers receiving psilocybin plus cognitive behavioral therapy (CBT) with those receiving the nicotine patch plus...
JAMA Network Open
January 2, 2026
Gianluca Andri Florineth, Isabell Klima, Anna Laura Boeker et al.
5 citations
Psychedelic-assisted therapy (PAT) is a novel intervention for depressive symptoms, typically delivered with additional psychological therapy sessions. Quantitative evidence on how this concomitant therapy contributes to treatment outcomes is limited, highlighting the need for a systematic synthesis. To evaluate whether the quantity of psychological therapy is associated with symptom reduction...
JAMA Network Open
January 2, 2026
Moshe Berchansky, A Eden Evins, Bryn Evohr et al.
1 citation
The primary psychoactive compound in cannabis, ∆9-tetrahydrocannabinol (THC) induces intoxication and functional impairment, raising safety concerns in driving. The traditional impairment detection method, behavioral field sobriety tests (FSTs), are subject to bias. To determine whether resting-state functional near-infrared spectroscopy (fNIRS) can detect THC-related impairment with greater...
JAMA Network Open
September 11, 2025
Richard B. van Breemen, Daniel Simchuk, Bjorn Fritzsche et al.
1 citation
This case series evaluates the active constituents of unregulated psilocybin mushroom edibles.
JAMA Network Open
July 30, 2025
Fredrik Hieronymus, Evana López, Helena Werin Sjögren et al.
21 citations
Importance Psilocybin has demonstrated rapid and sustained antidepressant efficacy, with acute-phase effect sizes often more than double those for conventional antidepressants. However, concerns have been raised that high rates of functional unblinding in combination with trial participants with positive expectations of psychedelic use might bias treatment outcomes. Objective To compare...
JAMA Network Open
July 1, 2025
Sarah-Catherine Rodan, Sarah Maguire, Noah Meez et al.
5 citations
There are few effective pharmacotherapies for treating eating disorders (EDs). High rates of substance use among individuals with EDs suggest potential self-medication of symptoms. To explore the experiences of individuals with EDs regarding use of prescribed and nonprescribed drugs. This survey study assessed responses to the Medications and Other Drugs for Eating Disorders (MED-FED) survey,...
JAMA Network Open
April 1, 2025
Xue Zhang, Laura M Hack, Claire Bertrand et al.
10 citations
Rapidly acting therapeutics like 3,4-methylenedioxymethamphetamine (MDMA) are promising treatments for disorders such as posttraumatic stress disorder (PTSD). However, understanding who benefits most and the underlying neural mechanisms remains a critical gap. Stratifying individuals by neural circuit profiles could help differentiate neural, behavioral, and affective responses to MDMA,...
JAMA Network Open
April 1, 2025
Jenna Matsukubo, Sarah Dickson, Jennifer Xiao et al.
7 citations
Importance There is growing societal interest in and use of psilocybin. While psilocybin in Canada is illegal outside of clinical trials, there have been anecdotal reports of increasing access via unregulated online purchases and retail dispensaries. Objective To describe access to and the characteristics of psilocybin dispensaries across Canada and the health claims and warnings made on...
JAMA Network Open
February 3, 2025
Li Ren, Ting Zhang, Bingyu Zou et al.
13 citations
Esketamine has been found to reduce the incidence of postpartum depression (PPD) in randomized clinical trials. However, current evidence from randomized clinical trials does not reflect esketamine's efficacy in clinical settings. To assess the clinical efficacy of intraoperative esketamine administration for preventing PPD among women who underwent cesarean delivery. This randomized clinical...
JAMA Network Open
January 2, 2025
Rachel M Radin, Julie Vacarro, Elena Fromer et al.
11 citations
Mindfulness meditation may improve well-being among employees; however, effects of digital meditation programs are poorly understood. To evaluate the effects of digital meditation vs a waiting list condition on general and work-specific stress and whether greater engagement in the intervention moderates these effects. This randomized clinical trial included a volunteer sample of adults (aged...
JAMA Network Open
December 5, 2024
Anthony L. Back, Timara K Freeman-Young, Ladybird Morgan et al.
37 citations
Importance The psychological morbidity experienced by physicians, advanced practice practitioners (APPs), and nurses from working during the COVID-19 pandemic includes burnout, depression, and posttraumatic stress disorder (PTSD). Objective To investigate whether psilocybin therapy could improve symptoms of depression, burnout, and PTSD in US clinicians who developed these symptoms from...
JAMA Network Open
November 4, 2024
Cihan Atila, Isabelle Straumann, Patrick Vizeli et al.
15 citations
3,4-Methylenedioxymethamphetamine (MDMA, or ecstasy) is a recreational drug being investigated for the treatment of posttraumatic stress disorder. Acute hyponatremia is a potentially serious complication after even a single dose of MDMA. The assumed etiology has been a vasopressin release inducing the syndrome of inappropriate antidiuresis combined with increased thirst, causing polydipsia and...
JAMA Network Open
June 3, 2024
Amy L. Mcguire, I Glenn Cohen, Dominic Sisti et al.
41 citations
As government agencies around the globe contemplate approval of the first psychedelic medicines, many questions remain about their ethical integration into mainstream medical practice. To identify key ethics and policy issues related to the eventual integration of psychedelic therapies into clinical practice. From June 9 to 12, 2023, 27 individuals representing the perspectives of clinicians,...
JAMA Network Open
June 3, 2024
Manish Kumar Jha, Samuel T. Wilkinson, Kamini Krishnan et al.
29 citations
The ELEKT-D: Electroconvulsive Therapy (ECT) vs Ketamine in Patients With Treatment Resistant Depression (TRD) (ELEKT-D) trial demonstrated noninferiority of intravenous ketamine vs ECT for nonpsychotic TRD. Clinical features that can guide selection of ketamine vs ECT may inform shared decision-making for patients with TRD. To evaluate whether selected clinical features were associated with...
JAMA Network Open
June 3, 2024
Haosen Ni, Huabin Wang, Xuefeng Ma et al.
The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR), recently identified internet gaming disorder (IGD) as a condition warranting more research, and few empirically validated treatments exist. Mindfulness meditation (MM) has multiple health benefits; however, its efficacy in treating IGD and potential neural mechanisms underlying MM treatment of...
JAMA Network Open
April 10, 2024
Akhila Yerubandi, Catherine Harrington, Joshua Caballero et al.
80 citations
Importance Psilocybin has been studied in the treatment of depression and anxiety disorders. Clinical studies have mainly focused on efficacy, with systematic reviews showing favorable efficacy; however, none have primarily focused on psilocybin safety. Objective To evaluate the acute adverse effects of psilocybin at therapeutic doses in the treatment of depression and anxiety. Data Sources...
JAMA Network Open
March 6, 2024
Yu Chen, Yu Guo, Han Wu et al.
63 citations
Importance Postpartum depression (PPD) is one of the most common mental health conditions during the perinatal and postpartum periods, which can have adverse effects on both mother and infant. Objective To investigate the efficacy of perioperative adjunctive esketamine administration after cesarean deliveries in the prevention of PPD. Design, Setting, and Participants A single-center,...
JAMA Network Open
January 2, 2024
Asli Korkmaz, Guro Pauck Bernhardsen, Burcu Cirit et al.
24 citations
Physicians are exposed to high stress and strain that results in burnout, which affects them, their families, their patients, and the entire health care system; thus, there is an urgent need to develop methods to increase the resiliency of physicians. Sudarshan Kriya Yoga (SKY) is a comprehensive yoga breathing and meditation-based program that is a potential approach to mitigate physician...
JAMA Network Open
October 2, 2023
William G Mantyh, Adam D Block, Madelyn R Castro et al.
Visual hallucinations are a core feature of dementia with Lewy bodies and primary psychiatric disease, yet identification of a hallucination vs normal spiritual experience depends on cultural context. Almost no information exists in the medical literature regarding normal spiritual experiences in American Indian participants in the context of a neurocognitive evaluation. To assess the...
JAMA Network Open
May 1, 2023
R. Price, M. Wallace, S. Mathew et al.
9 citations
This secondary analysis of a randomized clinical trial examines whether automated self-association training can prolong the antidepressant effect of a single infusion of ketamine beyond 1 month in patients with treatment-resistant depression.
JAMA Network Open
September 1, 2022
Sangeeta P Joshi, An-Kwok Ian Wong, Amanda Brucker et al.
Health care workers (HCWs) have been experiencing substantial stress and burnout, and evidence-based mitigation strategies are needed. Transcendental Meditation (TM) is a mantra meditation practice with potential efficacy in reducing stress. To assess the efficacy of TM practice in reducing stress among HCWs over a 3-month period. This single-center open-label randomized clinical trial was...