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Updated: Jul 26, 2026

Drug Repurposing Hypothesis Generation Using the "RE:fine Drugs" System
Published on: December 11, 2016
Should We Use Expired Drugs When Necessary?
1Department of Emergency Medicine, The University of Arizona, Tucson, Arizona.
Drug expiration dates are often shorter than the actual medication efficacy period. Clinicians must balance patient needs with regulations during drug shortages, especially when using time-expired medications.
Area of Science:
- Pharmacology
- Clinical Medicine
- Medical Ethics
Background:
- Medication shortages are prevalent in resource-limited areas, frequently worsened by short drug expiry dates.
- Clinicians face difficult choices between patient care and regulatory compliance due to drug expiry.
- Common misconceptions exist regarding the safety and efficacy of medications past their labeled expiration.
Observation:
- A patient with acute anterior myocardial infarction in a resource-poor setting required thrombolytics.
- The only available thrombolytic, streptokinase, was two weeks past its expiration date.
- Physicians encountered an ethical dilemma: use the expired medication or withhold potentially life-saving treatment.
Findings:
- Scientific evidence indicates that many medications remain safe and effective beyond their labeled expiration dates.
- The belief that expired drugs are uniformly ineffective or harmful is a myth.
- Physicians must weigh patient welfare against regulatory risks when considering expired medications.
Implications:
- Ethical obligations necessitate prioritizing patient well-being over self-interest for healthcare providers.
- There is a critical need to align drug expiration dating with scientific evidence, especially during global medication shortages.
- Advocacy for policy changes is required to address the discrepancy between drug expiry regulations and scientific findings.
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