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Updated: Jun 24, 2026

A Clinical Trial Assessing the Safety, Efficacy, and Delivery of Olive-Oil-Based Three-Chamber Bags for Parenteral Nutrition
Published on: September 20, 2019
[Clinical trials registers. Introduction to the topic and backgrounds].
G Antes1, G Dreier, H Hasselblatt
1Deutsches Cochrane Zentrum, Institut für Medizinische Biometrie und Medizinische Informatik, Universitätsklinikum Freiburg, Stefan-Meier-Strasse 26, 79104, Freiburg. antes@cochrane.de
Publishing clinical trial results is a moral imperative. A German clinical trials register aims to combat publication bias and ensure accurate treatment assessments by addressing under-reporting of negative results.
Area of Science:
- Clinical Research
- Medical Ethics
- Health Policy
Context:
- Ethical obligations necessitate the publication of all clinical trial outcomes.
- Under-reporting of null/negative results and over-reporting of positive findings distort treatment evaluations.
- Publicly accessible clinical trial registries are crucial for bridging information gaps.
Purpose:
- To describe the rationale for establishing a clinical trials register in Germany.
- To specifically address the issue of publication bias in clinical research.
Summary:
- Clinical studies must report all results to uphold ethical standards and ensure scientific integrity.
- Publication bias, including selective reporting of positive outcomes, can lead to inaccurate perceptions of treatment efficacy and safety.
- Implementing a national clinical trials register in Germany is proposed to mitigate these issues.
Impact:
- Enhances the reliability of evidence-based medicine by providing a complete picture of trial outcomes.
- Promotes transparency and accountability in clinical research.
- Aims to improve patient safety and optimize therapeutic decision-making by preventing biased treatment assessments.
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