Online Resource 1: Supplemental Fig. 1, Supplemental Table 1, and Supplemental Fig. 2 (Note: Presented in the order that they are referred to in the article) Journal Name: European Journal of Nuclear Medicine and Molecular Imaging Article Title: Phase I pharmacokinetic and biodistribution study with escalating doses of Radium-223 dichloride in men with castration-resistant metastatic prostate cancer Author Names and Affiliations: Jorge A. Carrasquillo1,2*, Joseph A. O’Donoghue3*, Neeta Pandit-Taskar1,2, John L. Humm3, Dana E. Rathkopf4,5, Susan F. Slovin4,5, Matthew J. Williamson3, Kristine Lacuna,4 Anne-Kirsti Aksnes6, Steven M. Larson1,2, Howard I. Scher4,5, Michael J. Morris4,5 1 Molecular Imaging and Therapy Service, Department of Radiology, Memorial Sloan-Kettering Cancer Center and 2 Department of Radiology, Weill Cornell Medical College, New York, NY; 3 Department of Medical Physics, Memorial Sloan-Kettering Cancer Center; 4Genitourinary Oncology Service, Department of Medicine, Memorial Sloan-Kettering Cancer Center, New York, NY; 5 Department of Medicine, Weill Cornell Medical College, New York, NY; 6Algeta ASA, Oslo, Norway. *co first authors contributed equally to the work Corresponding Author Information: Jorge A. Carrasquillo M.D. Memorial Sloan-Kettering Cancer Center 1275 York Avenue New York, NY 10065 Phone: 212-639-2459 Fax: 212-717-3263 Email: carrasj1@mskcc.org %ID/L plasma 10 1 0.1 0.01 0 24 48 72 96 120 144 168 Time (h) Supplemental Fig. 1 Activity in plasma was converted to %ID/L of plasma. Mean and standard deviation were plotted at the corresponding nominal times for all patients. Supplemental Table 1. Adverse Events on patient level (N=10 patients) Grade 1 Adverse Event No. of Patients Grade 2 % No. % Grade 3 Grade 4 Total No. % No. % No. % BLOOD AND LYMPHATIC SYSTEM DISORDERS Anemia 2 20% 3 30% 1 10% 0 0% 6 60% Leukopenia 4 40% 0 0% 2 20% 1 10% 7 70% Neutropenia 0 0% 0 0% 1 10% 0 0% 1 10% Platelet count decreased 2 20% 0 0% 1 10% 0 0% 3 30% GASTROINTESTINAL DISORDERS Diarrhea 3 30% 1 10% 2 20% 0 0% 6 60% Nausea 2 20% 2 20% 1 10% 0 0% 5 50% Vomiting 1 10% 1 10% 0 0% 0 0% 2 20% GENERAL DISORDERS AND ADMINISTRATION SITE CONDITIONS Fatigue 2 20% 3 30% 0 0% 0 0% 5 50% Pneumonia 0 0% 0 0% 0 0% 1 10% 1 10% Urinary tract infection 0 0% 0 0% 1 10% 0 0% 1 10% Blood albumin decreased 2 20% 1 10% 0 0% 0 0% 3 30% Aspartate aminotransferase increased 0 0% 0 0% 1 10% 0 0% 1 10% Blood calcium decreased 2 20% 2 20% 1 10% 0 0% 5 50% Blood creatine increased 0 0% 2 20% 0 0% 0 0% 2 20% Blood glucose increased 3 30% 1 10% 0 0% 0 0% 4 40% INFECTIONS INVESTIGATIONS Blood potassium decreased 2 20% 0 0% 0 0% 0 0% 2 20% Blood sodium increased 1 10% 1 10% 0 0% 0 0% 2 20% Blood sodium decreased 2 20% 0 0% 0 0% 0 0% 2 20% Hemoglobin decreased 1 10% 1 10% 0 0% 0 0% 2 20% Blood phosphorus decreased 0 0% 2 20% 0 0% 0 0% 2 20% Blood alkaline phosphatase increased 0 0% 2 20% 0 0% 0 0% 2 20% 0 0% 0 0% 0 0% 4 40% METABOLISM AND NUTRITION DISORDERS Anorexia 4 40% MUSCULOSKELETAL AND CONNECTIVE TISSUE DISORDERS Arthralgia 1 10% 2 20% 0 0% 0 0% 3 30% Back pain 0 0% 1 10% 2 20% 0 0% 3 30% 20% 0 0% 1 10% 0 0% 3 30% 0 0% 0 0% 2 20% NERVOUS SYSTEM DISORDERS Peripheral motor neuropathy 2 RESPIRATORY, THORACIC AND MEDIASTINAL DISORDERS Dyspnea 0 0% 2 20% 2A 2B BEST BONE ALKALINE PHOSPHATASE RESPONSE DURING ACTIVE TREATMENT (N=10 PATIENTS) BEST PSA RESPONSE DURING ACTIVE TREATMENT (N=10 PATIENTS) 0% 20% 0% Cohort 1 -20% Cohort 2 -40% Cohort 3 -60% -80% -100% Patient Change in Bone Alkaline Phosphatase from baseline (%) Change in PSA from baseline (%) 40% -10% -20% -30% Cohort 1 -40% Cohort 2 Cohort 3 -50% -60% -70% -80% Patient Change in Serum N-telopeptide level from baseline (%) 2C BEST SERUM N-TELOPEPTIDE RESPONSE DURING ACTIVE TREATMENT (N=10 PATIENTS) 30% 20% 10% 0% Cohort 1 -10% Cohort 2 -20% Cohort 3 -30% -40% -50% -60% Patient Supplemental Fig. 2: Waterfall plot showing: A) PSA response during treatment. PSA declines were greatest for the 2 patients at the highest doses. B) Changes in bone alkaline phosphatase response during treatment. Decline in alkaline phosphatase was seen in all patients. C) Changes in serum N-telopeptide response during treatment. Decline in serum N-telopeptide was seen 7 of 10 patients.