Evidence map›Paper›PMID 26119837›Full record

ReviewBritish journal of clinical pharmacology2016

The law of mass action and the pharmacological concentration-effect curve: resolving the paradox of apparently non-dose-related adverse drug reactions.

Jeffrey K Aronson, Robin E Ferner

Abstract readReview
In one paragraph

Review in British journal of clinical pharmacology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed, 1 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

17 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
  2. Article
  3. Article
  4. A Method for in Situ Interfacial pH Detection.The journal of physical chemistry letters · 2025
    Article
  5. Review
  6. Acute Oral Toxicological Profile ofJournal of toxicology · 2024
    Article
  7. Review
  8. Article
  9. Susceptibility to adverse drug reactions.British journal of clinical pharmacology · 2019
    Review
  10. New Insights in Computational Methods for Pharmacovigilance:International journal of environmental research and public health · 2019
    Article
  11. Article
  12. Article
  13. Pharmacogenomics of off-target adverse drug reactions.British journal of clinical pharmacology · 2017
    Review
  14. Review
  15. A web resource for mining HLA associations with adverse drug reactions: HLA-ADR.Database : the journal of biological databases and curation · 2016
    Article
  16. Classifying ADRs--does dose matter?British journal of clinical pharmacology · 2016
    Article
  17. Review
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

2 authors.

Jeffrey K AronsonCentre for Evidence Based Medicine, Nuffield Department of Primary Care Health Sciences, New Radcliffe House, Radcliffe Observatory Quarter, Woodstock Road, Oxford, OX2 6GG, UK.
Robin E FernerWest Midlands Centre for Adverse Drug Reactions, City Hospital, Birmingham, B18 7QH, UK.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundAdverse drug reactions are sometimes described as being 'non-dose-related' because no relationship has been found between increasing doses and either the intensity of the response or the proportion of individuals in whom the response occurs; furthermore, hypersensitivity reactions are often regarded as being non-dose-related, even if different doses have not been studied. However, the law of mass action implies that all pharmacological effects are concentration related and should increase in intensity with increasing dose. We set out to explain this paradox.

methodsWe searched for published adverse drug reactions that have been described as non-dose-related and analysed them.

resultsWe identified four categories of explanations that resolve the paradox: (i) the reaction is not real; it may have occurred by chance or there may be methodological problems, such as bias or confounding factors; (ii) the dose-response curve for the adverse effect reaches a maximum at doses lower than were studied (i.e. a hypersusceptibility reaction); this underpins the use of test doses to predict the possibility of an adverse reaction at therapeutic doses; (iii) susceptibility to the adverse reaction differs widely among individuals; and (iv) imprecision or inaccuracy in the measurement of either dose or effect obscures dose responsiveness. This last explanation encompasses: (a) reactions related to cumulative dose; (b) dissociation between dose and concentration through saturable pharmacokinetics; and (c) variability in the measurement of the effect. CONCLUSIONS AND IMPLICATIONS: If an adverse drug reaction appears to be non-dose-related, the reasons should be sought, having these mechanisms in mind.

Indexed as

Dose-Response Relationship, DrugDrug-Related Side Effects and Adverse ReactionsAnimalsHumansdose-response relationshipdrug-related adverse effectsdrug-related adverse reactionslaw of mass action

Identifiers

PMID26119837
PMCPMC4693576

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.