Biodegradable Yttrium-90 Polymer Seeds
• Biodegradable, not metal – fast reabsorbable
• Inserted directly into tumors with existing procedures and equipment
• With 2.7-day half-life, shorter therapy-to-complete-decay
• Show promise for use for brain, head and neck tumors and liver cancer, in addition to prostate cancer
Yttrium-90 Radiogel
• Injectable polymer is thermally reversible – goes from liquid to solid lattice that holds Yttrium-90 microspheres in place
• For precise placement in tumors that cannot be removed by surgery or in periphery
where seed placement not practical