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Chronopharmacologic issues in space

G Cornélissen1, R M Zaslavskaya, Y Kumagai

  • 1University of Minnesota, Minneapolis 55455.

Journal of Clinical Pharmacology
|June 1, 1994
PubMed
Summary
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Biological rhythms influence disease susceptibility and treatment effectiveness. Understanding an individual's unique biological time structure (chronome) through monitoring can enable early risk detection and personalized, timed medical interventions.

Area of Science:

  • Chronobiology
  • Physiology
  • Pharmacology

Background:

  • Disease incidence exhibits nonrandom daily, weekly, and yearly patterns, indicating biological rhythms.
  • These rhythms can be endogenous, persisting even without environmental cues, and are crucial for understanding health and disease.

Purpose of the Study:

  • To highlight the importance of biological rhythms in disease susceptibility and treatment.
  • To introduce the concept of the chronome and its role in personalized medicine.
  • To address the chronopharmacologic challenges in developing timed treatments, especially for space travel.

Main Methods:

  • Analyzing vital signs using chronobiologic software to determine an individual's chronome.
  • Investigating the persistence of biological rhythms in the absence of environmental time cues.

Related Experiment Videos

  • Examining chronome-dependent effects of drugs like aspirin and carnitine.

    • Main Results:

    • Physiologic monitoring reveals an individual's chronome, providing time-specific reference norms.
    • Rhythm alterations can signal elevated health risks, enabling early preventive actions.
    • Drug efficacy, including aspirin and carnitine, is highly dependent on the chronome, potentially leading to varied or opposite effects.

    Conclusions:

    • Understanding and monitoring the chronome is essential for early disease risk detection and timely, personalized medical interventions.
    • Chronopharmacology presents a significant challenge and opportunity for optimizing drug therapies, particularly in extreme environments like space.
    • Individualized, time-based treatment strategies hold promise for improving health outcomes and preventing diseases like stroke, myocardial infarction, and depression.