Great Expectations: recommendations for improving the methodological rigor of psychedelic clinical trials

JS Aday, BD Heifets, SD Pratscher, E Bradley… - …, 2022‏ - Springer
Rationale Psychedelic research continues to garner significant public and scientific interest
with a growing number of clinical studies examining a wide range of conditions and …

Expectancy effects in psychedelic trials

B Szigeti, B Heifets - Biological Psychiatry: Cognitive Neuroscience and …, 2024‏ - Elsevier
Clinical trials of psychedelic compounds like psilocybin, LSD and DMT have forced a
reconsideration of how non-drug factors, like participant expectations, are measured and …

Network mechanisms of clinical response to transcranial magnetic stimulation in posttraumatic stress disorder and major depressive disorder

NS Philip, J Barredo, M van't Wout-Frank, AR Tyrka… - Biological …, 2018‏ - Elsevier
Background Repetitive transcranial magnetic stimulation (TMS) therapy can modulate
pathological neural network functional connectivity in major depressive disorder (MDD) …

[HTML][HTML] The opioid system in depression

LA Jelen, JM Stone, AH Young, MA Mehta - Neuroscience & Biobehavioral …, 2022‏ - Elsevier
Opioid receptors are widely distributed throughout the brain and play an essential role in
modulating aspects of human mood, reward, and well-being. Accumulating evidence …

Endogenous opioid system dysregulation in depression: implications for new therapeutic approaches

M Peciña, JF Karp, S Mathew, MS Todtenkopf… - Molecular …, 2019‏ - nature.com
Abstract The United States is in the midst of an opioid addiction and overdose crisis
precipitated and exacerbated by use of prescription opioid medicines. The majority of opioid …

Pretreatment rostral anterior cingulate cortex theta activity in relation to symptom improvement in depression: a randomized clinical trial

DA Pizzagalli, CA Webb, DG Dillon, CE Tenke… - JAMA …, 2018‏ - jamanetwork.com
Importance Major depressive disorder (MDD) remains challenging to treat. Although several
clinical and demographic variables have been found to predict poor antidepressant …

Placebo effects and neuromodulation for depression: a meta-analysis and evaluation of shared mechanisms

MJ Burke, SM Romanella, L Mencarelli, R Greben… - Molecular …, 2022‏ - nature.com
There is growing evidence that placebo effects can meaningfully modulate the brain.
However, there has been little consideration of whether these changes may overlap with …

MicroRNAs 146a/b-5 and 425-3p and 24-3p are markers of antidepressant response and regulate MAPK/Wnt-system genes

JP Lopez, LM Fiori, C Cruceanu, R Lin… - Nature …, 2017‏ - nature.com
Antidepressants (ADs) are the most common treatment for major depressive disorder (MDD).
However, only∼ 30% of patients experience adequate response after a single AD trial, and …

Brain mechanisms of the placebo effect: an affective appraisal account

YK Ashar, LJ Chang, TD Wager - Annual review of clinical …, 2017‏ - annualreviews.org
Placebos are sham medical treatments. Nonetheless, they can have substantial effects on
clinical outcomes. Placebos depend on a person's psychological and brain responses to the …

[HTML][HTML] Gut-brain axis: role of microbiome, metabolomics, hormones, and stress in mental health disorders

A Verma, SS Inslicht, A Bhargava - Cells, 2024‏ - mdpi.com
The influence of gut microbiome, metabolites, omics, hormones, and stress on general and
mental health is increasingly being recognized. Ancient cultures recognized the importance …