Department of Medical Statistics, University Goettingen

Marius Placzek


WG Clinical Trials
Phone:
0551-39-5836
Telefax:
0551-39-4995
E-Mail:
marius.placzek@med.uni-goettingen.de
Office room:
Humboldtallee 32, GF 163
Fields of Research

Medical statistics and clinical trials with focus on subgroup analysis in adaptive enrichment designs.

Short Biographie

[Since 10/2013] Research Assistant for the BMBF project: „Biostatistic Methods for Efficient Evaluation of Personalized Therapies“, Institute of Medical Statistics, Göttingen.
[02/2011 -
09/2013]
Assisting medical Ph.D. students in statistical problems; research assistant for the DFG project: "Simultaneous Confidence Intervals for non-parametric Effects in Factorial Models", Institute of Medical Statistics, Göttingen.
[10/2008 -
09/2013]
Study in Mathematics at the Georg-August-University Göttingen, Degree: Master of Science (M.Sc.) with focus on mathematical stochastics.

Exam Thesis

  1. Master of Science (Georg-August-Universität Göttingen, 2013): Nonparametric simultaneous inference for factorial repeated measures designs.
  2. Bachelor of Science (Georg-August-Universität Göttingen, 2011): The Huynh-Feldt correction for two groups designs with unequal covariance matrices in case of high-dimensional repeated measures.

Publications

Talks and Presentations

  1. 58. Biometrisches Kolloquium 2012, Berlin: Modified Huynh-Feldt Correction for Unequal Covariance Matrices.
  2. DAGStat 2013, Freiburg: NPARCOMP - An R Software Package for Nonparametric Multiple Comparisons and Simultaneous Confidence Intervals (Poster).
  3. ICSI 2013, Hannover: Nonparametric Multiple Comparison Procedures under Heteroscedasticity.
  4. 60. Biometrisches Kolloquium 2014, Bremen: Nonparametric Simultaneous Inference for Factorial Repeated Measures Designs.
  5. 18. KSFE 2014, Göttingen: Studentisierte Permutationstests für verbundene und unverbundene 2-Stichprobenprobleme.
  6. Adaptive Designs and Multiple Testing Procedures Workshop 2014, Basel: Comparison of different approaches to enrichment designs with multiple nested subgroups.
  7. 59. GMDS-Jahrestagung 2014, Göttingen: Blinded sample size reestimation in enrichment designs.
  8. 61. Biometrisches Kolloquium 2015, Dortmund: Blinded Sample Size Reestimation in Adaptive Enrichment Designs with Multiple Nested Subgroups.
  9. Adaptive Designs and Multiple Testing Procedures Workshop 2015, Köln: Nuisance-parameter based sample size reestimation in adaptive enrichment designs with an application in major depression.
  10. 60. GMDS-Jahrestagung 2015, Krefeld: Nuisance-parameter based sample size reestimation in adaptive enrichment designs.
  11. DAGStat 2016, Göttingen: Analysis, Sample Size Calculation and Recalculation in Designs with Multiple Nested Subgroups.
  12. Adaptive Designs and Multiple Testing Procedures Workshop 2016, Padua: Analysis, sample size calculation and recalculation in designs with multiple nested subgroups.
  13. Adaptive Designs and Multiple Testing Procedures Workshop 2017, Cambridge: A conditional error function approach for adaptive enrichment designs with multiple nested subgroups accounting for uncertainty in variance estimation.
  14. CEN ISBS 2017, Wien: A conditional error function approach for adaptive enrichment designs with multiple nested subgroups accounting for uncertainty in variance estimation.