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The Placebo Effect01:54

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The placebo effect occurs when people's expectations or beliefs influence or determine their experience in a given situation. In other words, simply expecting something to happen can actually make it happen.
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Ideally, the people who observe and record the children’s behavior are unaware of who was assigned to the experimental or control group, in order to control for experimenter bias. Experimenter bias refers to the possibility that a researcher’s expectations might skew the results of the study. Remember, conducting an experiment requires a lot of planning, and the people involved in the research project have a vested interest in supporting their hypotheses. If the observers knew which...
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Related Experiment Video

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[Biosimilars and the nocebo effect].

J Braun1, S Tsiami1, B Buehring1

  • 1Rheumazentrum Ruhrgebiet, Ruhr-Universität Bochum, Claudiusstr. 45, 44649, Herne, Deutschland.

Zeitschrift Fur Rheumatologie
|December 6, 2019
PubMed
Summary
This summary is machine-generated.

The nocebo effect, where negative expectations impair treatment, impacts biosimilar perceptions. Understanding this effect is crucial for optimizing patient care and satisfaction.

Keywords:
Adverse eventBiosimilarsFramingNocebo effect

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Area of Science:

  • Pharmacology
  • Psychosomatic Medicine

Background:

  • Biosimilars are increasingly used in Germany, including rheumatology, but face physician and patient skepticism regarding quality.
  • This skepticism may be partly explained by the nocebo effect, a phenomenon with significant medical implications.

Purpose of the Study:

  • To describe and explain the nocebo effect.
  • To highlight the importance of understanding placebo and nocebo effects for optimizing treatment outcomes.
  • To emphasize the need for further research into the mechanisms of nocebo effects.

Main Methods:

  • Literature review and explanation of placebo and nocebo effects.
  • Discussion of psychosocial and contextual factors influencing treatment efficacy.
  • Review of current understanding of placebo effect mechanisms and gaps in nocebo effect research.

Main Results:

  • Placebo and nocebo effects, influenced by psychosocial factors, can significantly alter symptom development, adverse event frequency, and treatment efficacy.
  • While placebo mechanisms are increasingly understood, nocebo effect mechanisms remain largely unexplored.
  • Knowledge of these effects is vital for developing preventive strategies.

Conclusions:

  • Understanding and managing placebo and nocebo effects are critical for improving treatment results and patient satisfaction.
  • Further research into nocebo effect mechanisms is needed to develop effective clinical strategies.
  • Addressing patient and physician concerns about biosimilar quality requires acknowledging and mitigating the nocebo effect.