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The upgraded OLINDA/EXM version 2.0 software offers improved internal dose calculations using new decay data and biokinetic models. This enhances accuracy for radiopharmaceutical dose assessments in clinical trials and research.

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Area of Science:

  • Medical Physics
  • Radiological Sciences
  • Computational Biology

Background:

  • The OLINDA/EXM code is a widely used tool for internal radiation dose calculations.
  • Previous versions (1.0 and 1.1) required updates to incorporate current scientific recommendations.
  • Standardization of dose assessment methodologies is crucial for clinical trials and pharmaceutical research.

Purpose of the Study:

  • To document the upgrades implemented in the OLINDA/EXM version 2.0 personal computer code.
  • To introduce new decay data and advanced anthropomorphic and biokinetic models.
  • To ensure compatibility and validate results against previous versions.

Main Methods:

  • Implementation of updated decay data and new anthropomorphic and biokinetic models.
  • Rigorous alpha and beta testing of the OLINDA/EXM version 2.0 software.
  • Comparison of dose calculations between OLINDA/EXM versions 1.x and 2.0.

Main Results:

  • Very good agreement in dose calculations between OLINDA/EXM 1.x and 2.0 when using retained models.
  • Understandable differences in calculated doses due to the incorporation of new biokinetic and anthropomorphic models.
  • Successful validation of the upgraded software with retained previous models yielding identical results.

Conclusions:

  • OLINDA/EXM version 2.0 provides an updated and validated platform for internal dose calculations.
  • The new version incorporates international community recommendations for enhanced modeling.
  • This standardized approach benefits dose assessments in radiopharmaceutical clinical trials, pharmaceutical research, and educational purposes.