SUPPLEMENTAL MATERIAL SUPPLEMENTARY TABLE 1. Summary of the key clinical outcomes of different radiotracers currently used in the clinical setting or under research for palliative treatment of bone metastases.1-6 Radiotracer %bone uptake Main elimination route Response to therapy (%) Duration of therapeutic response (months) Side effects 85 Urinary 50-87 2-7 Significant SrCl2 55 Urinary 65-90 3-6 Significant Y-EDTMP 45-50 Urinary -- -- -- Sn-DTPA 77 Urinary 60-83 4-5 Mild 153 Sm-EDTMP 65 Urinary 55-83 2-3 Moderate 166 Ho-DOTMP 16-54 Urinary NE NE Moderate Tm-EDTMP 50-55 Urinary -- -- -- 70 Urinary NE NE Mild 54-80 Urinary 55-80 NE Mild 32 P-ortofosfato 89 90 117m 170 177 Lu-DOTMP 177 Lu-EDTMP 186 Re-HEDP 55 Urinary 55-85 2-4 Mild 188 Re-HEDP 30 Urinary 64-77 3-6 Mild 223 41 Intestinal 58-75 2-3 Moderate RaCl2 Legend: NE – not established. Note: Data for 90Y-EDTMP and 170Tm-EDTMP is preclinical. 1 REFERENCES: 1. International Atomic Energy Agency, Radiation Biology: A Handbook for Teachers and Students, Training Course Series 42, Vienna, 2010 2. Lewington VJ. Bone-seeking radionuclides for therapy. J Nucl Med. 2005;46 Suppl 1(1):38S47S. 3. Silberstein EB. Teletherapy and radiopharmaceutical therapy of painful bone metastases. Semin Nucl Med 2005, 35(2): 152-8. 4. Nilsson S, Strang P, Aksnes AK, et al. A randomized, dose-response, multicenter phase II study of radium-223 chloride for the palliation of painful bone metastases in patients with castrationresistant prostate cancer. Eur J Cancer. 2012; 48(5):678-86. 5. Saeed S, Zaknun J, Jameel G, et al. 177 Lu-EDTMP - A bone pain palliating agent: Biodistribution and skeletal uptake in osseous metastatic patients. J Nuc Med. 2011:52 (Supp 1):1750 6. Yuan J, Liu C, Liu X, et al. Efficacy and safety of 177 Lu-EDTMP in bone metastatic pain palliation in breast cancer and hormone refractory prostate cancer: a phase II study. Clin Nuc Med. 2013: 38(2):88-92 2