Results 31 to 40 of about 8,509,826 (346)

Influence on study outcomes of an inpatient study by the behavior of the study staff (PINgPOng): study protocol for a randomized clinical trial

open access: yesTrials, 2022
Background The placebo effect as the symptom improvement following inert treatments is a fixed component of RCTs to differentiate between specific effects of the tested pharmacological substance from other unspecific effects.
Martin Coenen   +9 more
doaj   +1 more source

Frontal alpha asymmetry: A potential biomarker of approach-withdrawal motivation towards pain

open access: yesFrontiers in Pain Research, 2022
Pain-related catastrophising is a maladaptive coping strategy known to have a strong influence on clinical pain outcomes and treatment efficacy. Notwithstanding, little is known about its neurophysiological correlates.
Bárbara Silva-Passadouro   +8 more
doaj   +1 more source

Vertebroplasty and the Placebo Response [PDF]

open access: yesRadiology, 2011
Our interpretation of the evidence for vertebroplasty has distinctive implications for clinical practice and health policy.
David F. Kallmes   +2 more
openaire   +3 more sources

Placebo Effects in Psychotherapy: A Framework

open access: yesFrontiers in Psychiatry, 2019
The issue of placebo response and the extent of its effect on psychotherapy is complex for two specific reasons: i) Current standards for drug trials, e.g., true placebo interventions, double-blinding, cannot be applied to most psychotherapy techniques ...
Paul Enck, Stephan Zipfel
doaj   +1 more source

Placebo Economics: A Systematic Review About the Economic Potential of Utilizing the Placebo Effect

open access: yesFrontiers in Psychiatry, 2019
Background: Recent research shows that placebo mechanisms can be utilized in ethical and legal ways such as in open-label conditions, when patients know that they receive placebos, and through psychological interventions aiming to optimize patients ...
Jens Hamberger   +6 more
doaj   +1 more source

Comparison of indirect treatment methods in migraine prevention to address differences in mode of administration

open access: yesJournal of Comparative Effectiveness Research, 2023
Aim: Indirect treatment comparisons (ITCs) are anchored on a placebo comparator, and the placebo response may vary according to drug administration route.
Howard Thom   +4 more
doaj   +1 more source

Assessing surrogate endpoints in vaccine trials with case-cohort sampling and the Cox model [PDF]

open access: yesAnnals of Applied Statistics 2008, Vol. 2, No. 1, 386-407, 2008
Assessing immune responses to study vaccines as surrogates of protection plays a central role in vaccine clinical trials. Motivated by three ongoing or pending HIV vaccine efficacy trials, we consider such surrogate endpoint assessment in a randomized placebo-controlled trial with case-cohort sampling of immune responses and a time to event endpoint ...
arxiv   +1 more source

Predictors of Placebo Response in Pharmacological Clinical Trials of Negative Symptoms in Schizophrenia: A Meta-regression Analysis

open access: yesSchizophrenia bulletin, 2019
We conducted a meta-regression analysis of all double-blind, randomized, placebo-controlled clinical trials (DBRCTs) reporting effects of drug and placebo on negative symptoms in people with stable schizophrenia and predominant or prominent negative ...
D. Fraguas   +4 more
semanticscholar   +1 more source

Filgotinib versus placebo or adalimumab in patients with rheumatoid arthritis and inadequate response to methotrexate: a phase III randomised clinical trial

open access: yesAnnals of the Rheumatic Diseases, 2021
Objective To evaluate the efficacy and safety of the Janus kinase-1-preferential inhibitor filgotinib versus placebo or tumour necrosis factor-α inhibitor therapy in patients with active rheumatoid arthritis (RA) despite ongoing treatment with ...
B. Combe   +19 more
semanticscholar   +1 more source

Placebo response in migraine [PDF]

open access: yesEuropean Journal of Clinical Pharmacology, 2010
Sir I am currently in the process of revising the Guidelines for Drug Trials in Migraine of The International Headache Society. While browsing the literature for information on the placebo response in migraine randomised clinical trials (RCTs), I read with interest the extensive meta-analysis on this subject published by Macedo et al.
openaire   +3 more sources

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