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Oleg Sofrygin, PhD

TitleResearch Scientist I
InstitutionKaiser Permanente Northern California
DepartmentDivision of Research
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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Sofrygin O, Zhu Z, Schmittdiel JA, Adams AS, Grant RW, van der Laan MJ, Neugebauer R. Targeted learning with daily EHR data. Stat Med. 2019 Apr 25. PMID: 31025411.
      View in: PubMed
    2. Torres JM, Rudolph KE, Sofrygin O, Wong R, Walter LC, Glymour MM. Having an adult child in the US, physical functioning, and unmet needs for care among older Mexican adults. Epidemiology. 2019 Apr 05. PMID: 30985533.
      View in: PubMed
    3. Torres JM, Rudolph KE, Sofrygin O, Glymour MM, Wong R. Longitudinal associations between having an adult child migrant and depressive symptoms among older adults in the Mexican Health and Aging Study. Int J Epidemiol. 2018 10 01; 47(5):1432-1442. PMID: 29982496.
      View in: PubMed
    4. Anderson C, Hafen R, Sofrygin O, Ryan L. Comparing predictive abilities of longitudinal child growth models. Stat Med. 2018 Aug 09. PMID: 30094965.
      View in: PubMed
    5. Rudolph KE, Sofrygin O, Schmidt NM, Crowder R, Glymour MM, Ahern J, Osypuk TL. Mediation of Neighborhood Effects on Adolescent Substance Use by the School and Peer Environments. Epidemiology. 2018 07; 29(4):590-598. PMID: 29851894.
      View in: PubMed
    6. Sofrygin O, van der Laan MJ, Neugebauer R. simcausal R Package: Conducting Transparent and Reproducible Simulation Studies of Causal Effect Estimation with Complex Longitudinal Data. J Stat Softw. 2017; 81. PMID: 29104515.
      View in: PubMed
    7. Hatswell AJ, Thompson GJ, Maroudas PA, Sofrygin O, Delea TE. Estimating outcomes and cost effectiveness using a single-arm clinical trial: ofatumumab for double-refractory chronic lymphocytic leukemia. Cost Eff Resour Alloc. 2017; 15:8. PMID: 28559746.
      View in: PubMed
    8. Sofrygin O, van der Laan MJ. Semi-Parametric Estimation and Inference for the Mean Outcome of the Single Time-Point Intervention in a Causally Connected Population. J Causal Inference. 2017 03; 5(1). PMID: 29057197.
      View in: PubMed
    9. Izano M, Satariano WA, Tammemagi MC, Ragland D, Moore DH, Allen E, Naeim A, Sehl ME, Hiatt RA, Kerlikowske K, Sofrygin O, Braithwaite D. Long-term outcomes among African-American and white women with breast cancer: what is the impact of comorbidity? J Geriatr Oncol. 2014 Jul; 5(3):266-75. PMID: 24613574.
      View in: PubMed
    10. Weycker D, Sofrygin O, Seefeld K, Deeter RG, Legg J, Edelsberg J. Technical evaluation of methods for identifying chemotherapy-induced febrile neutropenia in healthcare claims databases. BMC Health Serv Res. 2013 Feb 13; 13:60. PMID: 23406481.
      View in: PubMed
    11. Delea TE, Tappenden P, Sofrygin O, Browning D, Amonkar MM, Karnon J, Walker MD, Cameron D. Cost-effectiveness of lapatinib plus capecitabine in women with HER2+ metastatic breast cancer who have received prior therapy with trastuzumab. Eur J Health Econ. 2012 Oct; 13(5):589-603. PMID: 21701940.
      View in: PubMed
    12. Delea TE, Taneja C, Sofrygin O, Kaura S, Gnant M. Cost-effectiveness of zoledronic acid plus endocrine therapy in premenopausal women with hormone-responsive early breast cancer. Clin Breast Cancer. 2010 Aug 01; 10(4):267-74. PMID: 20705558.
      View in: PubMed
    13. Delea TE, Sofrygin O, Palmer JL, Lau H, Munk VC, Sung J, Charney A, Parving HH, Sullivan SD. Cost-effectiveness of aliskiren in type 2 diabetes, hypertension, and albuminuria. J Am Soc Nephrol. 2009 Oct; 20(10):2205-13. PMID: 19762496.
      View in: PubMed
    14. Weycker D, Sofrygin O, Kemner JE, Pelton SI, Oster G. Cost of routine immunization of young children against rotavirus infection with Rotarix versus RotaTeq. Vaccine. 2009 Aug 06; 27(36):4930-7. PMID: 19555715.
      View in: PubMed
    15. Vera-Llonch M, Dukes E, Rejas J, Sofrygin O, Mychaskiw M, Oster G. Cost-effectiveness of pregabalin versus venlafaxine in the treatment of generalized anxiety disorder: findings from a Spanish perspective. Eur J Health Econ. 2010 Feb; 11(1):35-44. PMID: 19506926.
      View in: PubMed
    16. Vera-Llonch M, Massarotti E, Wolfe F, Shadick N, Westhovens R, Sofrygin O, Maclean R, Li T, Oster G. Cost-effectiveness of abatacept in patients with moderately to severely active rheumatoid arthritis and inadequate response to tumor necrosis factor-alpha antagonists. J Rheumatol. 2008 Sep; 35(9):1745-53. PMID: 18634164.
      View in: PubMed
    17. Vera-Llonch M, Massarotti E, Wolfe F, Shadick N, Westhovens R, Sofrygin O, Maclean R, Yuan Y, Oster G. Cost-effectiveness of abatacept in patients with moderately to severely active rheumatoid arthritis and inadequate response to methotrexate. Rheumatology (Oxford). 2008 Apr; 47(4):535-41. PMID: 18356179.
      View in: PubMed
    18. Delea TE, Edelsberg J, Sofrygin O, Thomas SK, Baladi JF, Phatak PD, Coates TD. Consequences and costs of noncompliance with iron chelation therapy in patients with transfusion-dependent thalassemia: a literature review. Transfusion. 2007 Oct; 47(10):1919-29. PMID: 17880620.
      View in: PubMed
    19. Delea TE, El-Ouagari K, Karnon J, Sofrygin O. Cost-effectiveness of letrozole versus tamoxifen as initial adjuvant therapy in postmenopausal women with hormone-receptor positive early breast cancer from a Canadian perspective. Breast Cancer Res Treat. 2008 Apr; 108(3):375-87. PMID: 17653859.
      View in: PubMed
    20. Delea TE, Karnon J, Sofrygin O, Thomas SK, Papo NL, Barghout V. Cost-effectiveness of letrozole versus tamoxifen as initial adjuvant therapy in hormone receptor-positive postmenopausal women with early-stage breast cancer. Clin Breast Cancer. 2007 Jun; 7(8):608-18. PMID: 17592673.
      View in: PubMed
    21. Delea TE, Sofrygin O, Thomas SK, Baladi JF, Phatak PD, Coates TD. Cost effectiveness of once-daily oral chelation therapy with deferasirox versus infusional deferoxamine in transfusion-dependent thalassaemia patients: US healthcare system perspective. Pharmacoeconomics. 2007; 25(4):329-42. PMID: 17402805.
      View in: PubMed
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    KP Researcher Profiles is funded by Kaiser Permanente Research.