Determination of biological vector characteristics and nanoparticle dimensions for radioimmunotherapy with radioactive nanoparticles

V.E. Nuttens, A.-C. Wéra, V. Bouchat, S. Lucas

Research output: Contribution to journalArticlepeer-review

Abstract

Radioimmunotherapy with biological vector labeled with radioactive nanoparticles is investigated from a dosimetric point of view. Beta (P, Y) and low-energy X-ray radionuclides (Pd) are considered. Dose distributions inside solid tumors have been calculated using MCNPX 2.5.0. Nanoparticle dimensions and biological vector characteristics are also determined in order to reach the 50 Gy prescribed dose inside the entire tumor volume. The worst case of an avascular tumor is considered. Results show that for beta-emitting nanoparticles, a set of data (covering fraction, biological half-life, and nanoparticle radius) can be found within acceptable ranges (those of classical radioimmunotherapy). These sources (with E∼few MeV) can be used for the treatment of tumors with a maximum diameter of about 1 cm. Low-energy X-rays (Ē
Original languageEnglish
Pages (from-to)168-172
Number of pages5
JournalApplied Radiation and Isotopes
Volume66
Issue number2
DOIs
Publication statusPublished - 1 Feb 2008

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