Follow
Helena Geys
Helena Geys
Janssen Pharma R&D + Hasselt University
Verified email at its.jnj.com
Title
Cited by
Cited by
Year
The validation of surrogate endpoints in meta-analyses of randomized experiments
M Buyse, G Molenberghs, T Burzykowski, D Renard, H Geys
Biostatistics 1 (1), 49-67, 2000
6472000
Validation of surrogate end points in multiple randomized clinical trials with failure time end points
T Burzykowski, G Molenberghs, M Buyse, H Geys, D Renard
Journal of the Royal Statistical Society Series C: Applied Statistics 50 (4 …, 2001
2692001
Building multivariable regression models with continuous covariates in clinical epidemiology
P Royston, W Sauerbrei
Methods of information in medicine 44 (04), 561-571, 2005
2382005
Topics in modelling of clustered data
M Aerts, G Molenberghs, LM Ryan, H Geys
Chapman and Hall/CRC, 2002
1922002
Pseudolikelihood modeling of multivariate outcomes in developmental toxicology
H Geys, G Molenberghs, LM Ryan
Journal of the American Statistical Association 94 (447), 734-745, 1999
1601999
Statistical challenges in the evaluation of surrogate endpoints in randomized trials
G Molenberghs, M Buyse, H Geys, D Renard, T Burzykowski, A Alonso
Controlled Clinical Trials 23 (6), 607-625, 2002
1402002
A pairwise likelihood approach to estimation in multilevel probit models
D Renard, G Molenberghs, H Geys
Computational Statistics & Data Analysis 44 (4), 649-667, 2004
1362004
Evaluation of surrogate endpoints in randomized experiments with mixed discrete and continuous outcomes
G Molenberghs, H Geys, M Buyse
Statistics in medicine 20 (20), 3023-3038, 2001
1172001
Applying concepts of generalizability theory on clinical trial data to investigate sources of variation and their impact on reliability
T Vangeneugden, A Laenen, H Geys, D Renard, G Molenberghs
Biometrics 61 (1), 295-304, 2005
1092005
Applying linear mixed models to estimate reliability in clinical trial data with repeated measurements
T Vangeneugden, A Laenen, H Geys, D Renard, G Molenberghs
Controlled Clinical Trials 25 (1), 13-30, 2004
882004
A unifying approach for surrogate marker validation based on Prentice's criteria
A Alonso, G Molenberghs, H Geys, M Buyse, T Vangeneugden
Statistics in medicine 25 (2), 205-221, 2006
832006
Recommendations on the statistical analysis of the Comet assay
J Bright, M Aylott, S Bate, H Geys, P Jarvis, J Saul, R Vonk
Pharmaceutical statistics 10 (6), 485-493, 2011
782011
Prentice's approach and the meta-analytic paradigm: a reflection on the role of statistics in the evaluation of surrogate endpoints
A Alonso, G Molenberghs, T Burzykowski, D Renard, H Geys, Z Shkedy, ...
Biometrics 60 (3), 724-728, 2004
782004
Model averaging using fractional polynomials to estimate a safe level of exposure
C Faes, M Aerts, H Geys, G Molenberghs
Risk Analysis: An International Journal 27 (1), 111-123, 2007
762007
Validation of surrogate endpoints in multiple randomized clinical trials with discrete outcomes
D Renard, H Geys, G Molenberghs, T Burzykowski, M Buyse
Biometrical Journal: Journal of Mathematical Methods in Biosciences 44 (8 …, 2002
762002
Modulation of group II metabotropic glutamate receptor (mGlu2) elicits common changes in rat and mice sleep–wake architecture
A Ahnaou, FM Dautzenberg, H Geys, H Imogai, A Gibelin, D Moechars, ...
European journal of pharmacology 603 (1-3), 62-72, 2009
722009
The concordance between nonclinical and phase I clinical cardiovascular assessment from a cross-company data sharing initiative
L Ewart, M Aylott, M Deurinck, M Engwall, DJ Gallacher, H Geys, P Jarvis, ...
Toxicological Sciences 142 (2), 427-435, 2014
712014
Pseudo-likelihood inference for clustered binary data
H Geys1, G Molenberghs1, LM Ryan2
Communications in statistics-theory and methods 26 (11), 2743-2767, 1997
651997
A high‐dimensional joint model for longitudinal outcomes of different nature
C Faes, M Aerts, G Molenberghs, H Geys, G Teuns, L Bijnens
Statistics in medicine 27 (22), 4408-4427, 2008
562008
Trend of cervical cancer mortality in Belgium (1954–1994): tentative solution for the certification problem of unspecified uterine cancer
M Arbyn, H Geys
International journal of cancer 102 (6), 649-654, 2002
532002
The system can't perform the operation now. Try again later.
Articles 1–20