Richard Sposto
Affiliation
E-mail: rsposto@rerf.or.jp
About
Education
- 1981
- Doctor of Philosophy, Biostatistics, University of California Los Angeles, Los Angeles, California, USA.
- 1978
- Master of Science, Biostatistics, University of California Los Angeles, Los Angeles, California, USA.
- 1974
- Bachelor of Arts, Mathematics, University of California, Los Angeles, Los Angeles, California, USA.
Experience
- Radiation Effects Research Foundation, Department of Statistics
-
- 2019-
Senior Scientist, and Chief, Department of Statistics
- 1988-1992
Research Scientist, Department of Statistics
- 2019-
- University of Southern California, Los Angeles, California, USA
-
- 2019-
Professor Emeritus of Research Preventive Medicine, Keck School of Medicine of USC
- 2005-2019
Professor of Research of Preventive Medicine and Pediatrics (CHLA), Keck School of Medicine of USC
- 1994-2005
Associate Professor of Research of Preventive Medicine, Keck School of Medicine of USC
- 1981-1988
Assistant Professor of Research of Preventive Medicine, USC School of Medicine of USC
- 2004-2019
Director Biostatistics/Bioinformatics, Department of Hematology/Oncology/BMT, Children’s Hospital Los Angeles, Los Angeles, CA
- 2002-2004
Group Statistician, Children’s Oncology Group
- 1994-2002
Biostatistician, Children’s Cancer Group/Children’s Oncology Group
- 1981-1988
Biostatistician, Children’s Cancer Study Group
- 2019-
- The EMMES Corporation, Potomac, Maryland, USA
-
- 1992-1994
Statistician, Co-PI Aids Vaccine Evaluation Group
- 1992-1994
Selected publications
- Sposto, R. and H.M. Cullings, The Use of Joint Models in Analysis of Aggregate Endpoints in RERF Cohort Studies. Radiat Res, 2024.
- Sposto, R., H. Sugiyama, T. Tsuruyama, and A.V. Brenner, Effect of radiation exposure on survival after first solid cancer diagnosis in A-bomb survivors. Cancer Epidemiol, 2023. 83: p. 102341.
- Sposto, R., K.A. Cordova, K. Hamasaki, N. Nakamura, A. Noda, and Y. Kodama, The Association of Radiation Exposure with Stable Chromosome Aberrations in Atomic Bomb Survivors Based on DS02R1 Dosimetry and FISH Methods. Radiat Res, 2023. 199(2): p. 170-181.
- Tatsukawa, Y., K.A. Cordova, M. Yamada, W. Ohishi, M. Imaizumi, A. Hida, R. Sposto, R. Sakata, S. Fujiwara, S. Nakanishi, and M. Yoneda, Incidence of diabetes in the atomic bomb survivors: 1969-2015. J Clin Endocrinol Metab, 2022. 107(5): p. e2148-55.
- Sposto, R., T.H.M. Keegan, C. Vigen, M.L. Kwan, L. Bernstein, E.M. John, I. Cheng, J. Yang, J. Koo, A.W. Kurian, B.J. Caan, Y.N. Lu, K.R. Monroe, S. Shariff-Marco, S.L. Gomez, and A.H. Wu. The Effect of Patient and Contextual Characteristics on Racial/Ethnic Disparity in Breast Cancer Mortality. Cancer Epidemiology Biomarkers & Prevention. 2016; 25(7): 1064-1072.
- Sposto, R. and P.S. Gaynon. An adjustment for patient heterogeneity in the design of two-stage phase II trials. Statistics in Medicine. 2009; 28(20): 2566 – 2579.
- Sposto, R., W.B. London, and T.A. Alonzo. Criteria for optimizing prognostic risk groups in pediatric cancer: analysis of data from the Children’s Oncology Group. Journal of Clinical Oncology. 2007; 25(15): 2070-77.
- Sposto, R. Cure model analysis in cancer: An application to data from the Children’s Cancer Group. Statistics in Medicine. 2002; 21: 293-312.
- Sposto, R. and D.O. Stram. A strategic view of randomized trial design in low-incidence paediatric cancer. Statistics in Medicine. 1999; 18(10): 1183-97.
- Sposto, R., D.L. Preston, Y. Shimizu, and K. Mabuchi. The effect of diagnostic misclassification on non-cancer and cancer mortality dose response in A-bomb survivors. Biometrics. 1992; 48(2): 605-17.
- Sposto, R., D.O. Stram, and A.A. Awa. An estimate of the magnitude of random errors in the DS86 dosimetry from data on chromosome aberrations and severe epilation. Radiation Research. 1991; 128(2): 157-69.