New HRI Study Provides Critical Reassessment of Reporting Bias in Homeopathy Research


New HRI study published in the journal Journal of Assessment in Clinical Practicecritically examined claims made in a 2022 paper suggesting “shockingly poor” scientific and ethical standards in homeopathy clinical trials.1. In this meta-study, a reanalysis of the HRI found that earlier conclusions were based on significantly inaccurate data that, if corrected, present a very different picture of reporting bias in homeopathy.

A problem that arises in all areas of research, reporting bias is a general term for the ways in which scientific data can be distorted due to biased selection of results for publication. For clinical research, it can take three main forms: studies that are registered and conducted but never published, studies that are published without prior registration (publicly documenting how the study will be conducted before it begins), and studies whose primary outcome (the intended key outcome) changes between registration and publication.

In an initial 2022 study to quantify the level of bias in homeopathy clinical trials, studies were identified in two ways: 1) by searching for studies in clinical trial registries and 2) by searching for published studies. The original authors then assessed whether the published articles were registered and whether the registered studies were published. However, although a total of 231 studies were identified, the authors did not combine or cross-check data obtained from different search strategies. This resulted in the data set containing significant inaccuracies in 39% of the studies, raising serious concerns about the reliability of their results.2.

These errors were corrected and then consistent selection criteria were applied to allow for reanalysis. The results show that The level of bias in homeopathy research reporting is not a cause for concern and compares favorably with other medical disciplines:

New HRI Study Provides Critical Reassessment of Reporting Bias in Homeopathy Research

A new HRI publication demonstrates that scientific and ethical standards in homeopathy are now sound and this published evidence remains valid.

Links

  1. Mosley A.J. and Roberts E.R. Reporting bias in randomized controlled trials of homeopathy: a critical assessment and reanalysis of published work. Journal of Assessment in Clinical Practice2026: e70458
  2. Hartlener J. etc.. Assessing the magnitude of bias in reporting homeopathy trials: a cross-sectional study and meta-analysis. BMJ Evidence-based medicine, 2022; 27: 345-351

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