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Placebo and nocebo effects in the neurological practice
Caroline Bittar1, Osvaldo J M Nascimento1
1Departamento de Neurologia, Hospital Universitário Antonio Pedro, Universidade Federal Fluminense, Niterói, RJ, Brazil.
Arquivos De Neuro-Psiquiatria
|January 22, 2015
Summary
Understanding placebo and nocebo effects is crucial for interpreting clinical trial and practice results. This review highlights their impact on neurological conditions and suggests minimizing strategies.
Area of Science:
- Neurology
- Clinical Research Methodology
Background:
- Placebo and nocebo effects significantly influence outcomes in clinical practice and trials.
- The gold standard for clinical trials is the double-blind, placebo-controlled, randomized study.
- These effects can confound the interpretation of study results.
Purpose of the Study:
- To differentiate specific from non-specific effects in clinical research.
- To emphasize the impact of placebo and nocebo effects in neurological diseases.
- To call for strategies to minimize these effects in neurological practice.
Main Methods:
- This is a review article.
- It synthesizes existing knowledge on placebo and nocebo effects.
- Focuses on their manifestation in neurological conditions.
Main Results:
- Placebo effects (positive outcomes from placebo) and nocebo effects (adverse outcomes from placebo) are significant.
- These effects are observed in neurological conditions like depression, pain, headache, multiple sclerosis, and epilepsy.
- Both effects are present in everyday clinical practice.
Conclusions:
- Accurate interpretation of clinical trial and practice data requires understanding placebo and nocebo effects.
- Minimizing these non-specific effects is essential for reliable neurological practice.
- Further research and implementation of mitigation strategies are needed.
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