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Guadalupe Gómez Melis


Statistics and Operation Research Department of Universitat Politècnica de Catalunya (UPC)


Research Areas

Survival Analysis
Clinical Trials

Multiple endpoint Survival Analysis with Complex Censoring Patterns 
Joint Modeling of Longitudinal and Survival Data
Statistics applied to Basic and Clinical Research of AIDS


Ph.D. in Mathematics, Barcelona University, December 1986
Ph.D. in Statistics, Columbia University, New York, United States, May 1986
BSc (Llicenciatura) in Mathematics, Barcelona University, June 1979

Current Projects:


Selection of Publications:

  • Gómez, G. , Lagakos, S. (2013). Statistical considerations when using a composite endpoint for comparing treatment groups. Statistics in Medicine 32, 719–738.
  • Gómez, G., Calle, M.L., Oller, R. y Langohr, K. (2009). Tutorial on methods for interval-censored data and their implementation in R. Statistical Modelling. Vol 9, pp. 259–297.
  • Oller, R., Gómez, G., Calle, M.L. (2007).  Interval censoring: identifiability and the constant-sum property. Biometrika 94 (1), 61-70.
  • L. Ruiz, R. Paredes, G. Gómez, J. Romeu, P. Domingo, N. Pérez-Álvarez, G. Tambussi, J.M. Llibre, J. Martinez-Picado, F. Vidal, C.R. Fumaz and B. Clotet and the TIBET Study Group (2007). Antiretroviral Therapy Interruption Guided by CD4 cell Counts and Plasma HIV-1 RNA Levels in Chronically HIV-1 Infected patients. AIDS. Vol 21(2), pp. 169–178.


Research Areas (detailed):

Survival Analysis
Statistic methods for survival data
Methods for interval (and double) censored data
Interval censoring models with covariatesMethods for not observed data
Conditional modelling with dependent censoring and consecutive events
Software for survival analysis 

Survival Analysis and longitudinal data
Both Survival and Longitudinal data analysis
Cost-effectiveness analysis aplications 

Optimization methods in Statistics
Optimization problems in survival anaysis area
Optimization tools for the maximization of complex likelihood functions
Optimization tools on the Web 

Statistics applied to basic and clinical research of AIDS
Development of reseach protocol and data captureData analysis


Universitat Politècnica de Catalunya
Jordi Girona 1-3, Edifici C5, Campus Nord
08034 Barcelona, SPAIN
Phone: +34 93.401.70.37
Fax: +34 93.401.58.55