Precision in Practice: The Critical Role of Radiation Dosimetry in Radiotherapeutic Pharmaceuticals

Radiation dosimetry plays a critical role in the development and application of radiotherapeutic pharmaceuticals, ensuring both efficacy and safety in treatment. Accurate dosimetry enables precise quantification of the radiation dose delivered to target tissues, such as tumors, while minimizing exposure to surrounding healthy tissues. This precision is essential for maximizing therapeutic outcomes and reducing side effects. In the context of radiopharmaceuticals, dosimetry is particularly important because the distribution of radioactive agents can vary significantly depending on the patient’s physiology and the agent's pharmacokinetics. By providing detailed dose assessments, dosimetry supports the optimization of treatment protocols, individualizing therapy to meet patient-specific needs. Additionally, it aids in regulatory compliance by ensuring that the safety thresholds for radiation exposure are met during clinical trials and routine use. Advances in dosimetry technologies, including imaging-based approaches and computational modeling, further enhance our ability to assess dose distributions, contributing to the continued evolution of precision medicine in radiation therapy.

Topics:

  1. Application of PRO's to Clinical Trials
    Deborah W. Bruner, PhD, RN, FAAN
  2.  

This activity is available from December 1, 2025, through 11:59 p.m. Eastern time on November 30, 2027. 

The content was originally presented and recorded at the 2025 ASTRO Annual Meeting.

Target Audience

The activity is designed to meet the interests of medical oncologists, radiation oncologists, surgeons, physicists, diagnostic radiologists, radiation therapists, dosimetrists, radiation biologists and residents.

Learning Objectives

Upon completion of this activity, participants should be able to:

•    Provide comprehensive training on modern dosimetric techniques to optimize radiopharmaceuticals efficacy while minimizing adverse effects.
•    Highlight the integration of radiopharmaceuticals into multidisciplinary care plans, showcasing their potential in medical oncology, surgical oncology and radiation oncology.

Course summary
Available credit: 
  • 1.25 AMA PRA Category 1 Credit™

    The American Society for Radiation Oncology (ASTRO) is accredited by the Accreditation Council for Continuing Medical Education for physicians. ASTRO designates this for a maximum of 1.25 AMA PRA Category 1 Credit™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

  • 1.25 Certificate of Attendance
    This activity was designated for 1.25 AMA PRA Category 1 Credit™.
Course opens: 
12/01/2025
Course expires: 
11/30/2027
Cost:
$0.00
Rating: 
0
  • Erin F. Gillespie, MD, MPH, is employed by University of California, San Diego. Dr. Gillespie serves an uncompensated role as Co-founder of eContour.  
  •  

All relevant financial relationships have been mitigated.

The American Society for Radiation Oncology (ASTRO) is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.

Available Credit

  • 1.25 AMA PRA Category 1 Credit™

    The American Society for Radiation Oncology (ASTRO) is accredited by the Accreditation Council for Continuing Medical Education for physicians. ASTRO designates this for a maximum of 1.25 AMA PRA Category 1 Credit™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

  • 1.25 Certificate of Attendance
    This activity was designated for 1.25 AMA PRA Category 1 Credit™.

Price

Cost:
$0.00
Please login or register to take this course.

Course Fees:
ASTRO members must log in to the ASTRO website to view and receive the member rate.

  • Nonmember: $149
  • Member: $99
  • Member-in-Training: $49
  • Student/Graduate Student/PGY-1 Member: $49
  • Postdoctoral Fellow Member: $49

If you are an ASTRO member from a low or lower-middle income country, as identified by the World Bank, you can receive a 50% discount off your corresponding registration for this activity. Please email [email protected] to inquire about the discount.

Policies:
No refunds, extensions, or substitutions will be made for those participants who, for any reason, have not completed the activity by the expiration date. 

Participants using ASTRO Academy activities to satisfy the requirement of a Continuing Certification (MOC) program should verify the credit number and type and availability dates of any activity before making a purchase. No refunds, extensions, or substitutions will be made for participants who have purchased activities that do not align with their MOC requirement.

The activity and its materials will only be available on the ASTRO website until November 30, 2027, regardless of purchase date. At the expiration of the activity, participants will no longer have access to the activity or its materials. ASTRO reserves the right to remove an activity before its expiration date. 

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