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Exposure-Associated Physiologic Reactions (EAPR): A Novel Clinical Framework for Multisystem Adverse Responses
Akhtar Purvez1,2, Ana Mir3, Mudhasir Bashir4
1Clinical Research, Momentum Medical Research, Charlottesville, USA.
Cureus
|April 27, 2026
Summary
Exposure-associated physiologic reactions (EAPR) are unexpected body responses to various triggers. Recognizing EAPR can improve diagnosis and reduce unnecessary tests for these complex conditions.
Area of Science:
- Clinical Medicine
- Pharmacology
- Immunology
Background:
- Exposure-associated physiologic reactions (EAPR) are increasingly recognized but often misdiagnosed.
- These reactions are disproportionate, multisystemic, and don't fit traditional hypersensitivity or toxicity models.
- Atypical and transient EAPR often lead to diagnostic uncertainty and unnecessary investigations.
Purpose of the Study:
- To propose Exposure-associated physiologic reactions (EAPR) as a unifying clinical framework.
- To describe non-classical, non-IgE-mediated responses to diverse exposures.
- To integrate diverse clinical observations into a cohesive model.
Main Methods:
- Review of case-based evidence across multiple organ systems.
- Integration of cardiovascular, renal, neurologic, ophthalmologic, and autonomic manifestations.
- Development of a cohesive mechanistic and diagnostic model for EAPR.
Main Results:
- EAPR encompass a broad range of non-classical responses to exposures.
- A unifying framework for EAPR can integrate fragmented clinical observations.
- The proposed model offers a cohesive mechanistic and diagnostic approach.
Conclusions:
- Recognition of EAPR can enhance diagnostic accuracy and reduce unnecessary investigations.
- Implementing an EAPR framework may improve pharmacovigilance.
- Further systematic investigation is required to validate this conceptual model.
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