Results 21 to 30 of about 677,625 (318)

Placebo effects on the neurologic pain signature: A meta-analysis of individual participant functional magnetic resonance imaging data

open access: yes, 2018
Importance Placebo effects reduce pain and contribute to clinical analgesia, but after decades of research, it remains unclear whether placebo treatments mainly affect nociceptive processes or other processes associated with pain evaluation.Objective We ...
Leknes, S.   +29 more
core   +1 more source

Developing a placebo-controlled trial in surgery: issues of design, acceptability and feasibility [PDF]

open access: yes, 2011
<p>Background: Surgical placebos are controversial. This in-depth study explored the design, acceptability, and feasibility issues relevant to designing a surgical placebo-controlled trial for the evaluation of the clinical and cost effectiveness ...
Campbell, MK   +62 more
core   +1 more source

Lack of Effects of the Presence of a Dog on Pain Perception in Healthy Participants—A Randomized Controlled Trial

open access: yesFrontiers in Pain Research, 2021
Animal-assisted interventions (AAIs) have been shown to be effective in the treatment of pain. Studies suggest that relationships with animals can have comparable qualities to relationships with humans and that this enables animals to provide social ...
Cora Wagner   +8 more
doaj   +1 more source

Placebo Effect in the Treatment of Depression and Anxiety

open access: yesFrontiers in Psychiatry, 2019
The aim of this review is to evaluate the placebo effect in the treatment of anxiety and depression. Antidepressants are supposed to work by fixing a chemical imbalance, specifically, a lack of serotonin or norepinephrine in the brain.
Irving Kirsch
doaj   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

open access: yesFEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Placebo and Non-specific Effects in Reconsolidation-Based Treatment for Arachnophobia

open access: yesFrontiers in Psychiatry, 2021
The idea that maladaptive memories may be rendered susceptible to interference after reactivation raises the possibility of reactivating and neutralizing clinically-relevant emotional memories.
James W. B. Elsey, Merel Kindt
doaj   +1 more source

Placebo use in the United Kingdom: results from a national survey of primary care practitioners

open access: yes, 2013
Objectives: Surveys in various countries suggest 17% to 80% of doctors prescribe ‘placebos’ in routine practice, but prevalence of placebo use in UK primary care is unknown.Methods: We administered a web-based questionnaire to a representative sample of ...
Heneghan, C   +34 more
core   +1 more source

Engineered extracellular vesicles enriched with the miR‐214/199a cluster enhance the efficacy of chemotherapy in ovarian cancer

open access: yesMolecular Oncology, EarlyView.
Loss of the miR‐214/199a cluster is associated with recurrence in ovarian cancer. Engineered small extracellular vesicles (m214‐sEVs) elevate miR‐214‐3p/miR‐199a‐5p in tumor cells, suppress β‐catenin, TLR4, and YKT6 signaling, reprogram tumor‐derived sEV cargo, reduce chemoresistance and migration, and enhance carboplatin efficacy and survival in ...
Weida Wang   +12 more
wiley   +1 more source

Effects of placebos vs. SMS reminders on homework compliance in cognitive behavioral therapy for depression: a randomized trial

open access: yesMediterranean Journal of Clinical Psychology, 2022
Background: Nonadherence to homework assignments is a frequent problem among patients with depression during cognitive-behavioral therapy (CBT). The present study investigated the effects of two additional treatment components of CBT: a placebo and SMS ...
Nina Jurinec, Anne Schienle
doaj   +1 more source

Efficacy of modern antipsychotics in placebo-controlled trials in bipolar depression: a meta-analysis – results to be interpreted with caution [PDF]

open access: yes, 2010
Randomized, controlled trials have demonstrated efficacy for second-generation antipsychotics in the treatment of acute mania in bipolar disorder. Despite depression being considered the hallmark of bipolar disorder, there are no published systematic ...
Goikolea, José Manuel   +7 more
core   +1 more source

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