About Gizelle
I lead the Epidemiology and Biostatistics team which is responsible for the biostatistics, programming, data management and epidemiology within the Product Assessment and Scientific Substantiation department. We conduct the clinical and post-market assessment programs.
Latest Publications
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Peer-Reviewed Publication
June 4, 2020
Heated Tobacco Products
Estimating the population health impact of recently introduced modified risk tobacco products: a comparison of different approaches
PN Lee*, D Abrams*, A Bachand*, G Baker, R Black*, O Camacho*, G Curtin*, S Djurdjevic, A Hill*, D Mendez*, R S Muhammad-Kah*, J L Murillo*, R Niaura*, YB Pithawalla*, B Poland*, S Sulsky*, L Wei*, R Weitkunat
* This author is not affiliated with PMI.DOI : 10.1093/ntr/ntaa102
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Publication
July 3, 2019
Heated Tobacco Products
Effects of switching to a heat-not-burn tobacco product on biologically-relevant biomarkers to assess a candidate modified risk tobacco product: a randomized trial
F Lüdicke, M S Ansari, N Lama, N Blanc, M Bosilkovska, A Donelli, P Picavet, G Baker, C Haziza, M Peitsch, R Weitkunat
Cancer Epidemiology, Biomarkers & Prevention
DOI : 10.1158/1055-9965.EPI-18-0915
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Poster
June 14, 2019
Population Health Impact Model Web Application
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Publication
June 14, 2019
One year of continuous smoking abstinence: a study on biological and functional changes in healthy adult smokers
Loyse Felber Medlin , CT Tran, W Teck Ng, N Lama, BV Taranu, E Pierri, P Picavet, G Baker, C Haziza, F Lüdicke
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Poster
June 14, 2019
Platform 1
Tobacco product use after the launch of a heat-not-burn alternative in Japan: results of two cross-sectional surveys
P Langer, L Prieto, C. Rousseau, A. Formey, D Skiada, E. F. Afolalu, Z Sponsiello Wang, K. Fischer, G Baker, R Weitkunat
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Peer-Reviewed Publication
June 7, 2019
Heated Tobacco Products
Biological and functional changes in healthy adult smokers who are continuously abstinent from smoking for one year: Protocol for a prospective, observational, multicenter cohort study
CT Tran, Loyse Felber Medlin , N Lama, BV Taranu, W Teck Ng, C Haziza, P Picavet, G Baker, F Lüdicke
DOI : 10.2196/12138
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Publication
May 24, 2019
Heated Tobacco Products
Favorable Changes in Biomarkers of Potential Harm to Reduce the Adverse Health Effects of Smoking in Smokers Switching to the Menthol Tobacco Heating System 2.2 for Three Months (Part 2)
C Haziza, G de La Bourdonnaye, A Donelli, D Skiada, V Poux, R Weitkunat, G Baker, P Picavet, F Lüdicke
DOI : 10.1093/ntr/ntx028
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Poster
May 21, 2019
Heated Tobacco Products
Modeling the Population Years of Life Saved in Japan, Italy, Singapore, And in The U.S. by Introducing a Reduced-Risk Product
S Djurdjevic, R Weitkunat, G Baker, F Lüdicke, NM Silva
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Report
March 20, 2019
Platform 1
Summary of Evidence of Effects of IQOS on Endothelial function
G Baker, P Picavet, M Smith, P Vanscheeuwijck, E Veljkovic, M Peitsch
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Presentation
March 16, 2019
Platform 1
Cardiovascular Effects of the Tobacco Heating System (THS) Compared with Continued Smoking
G Baker, C Haziza, J Hoeng, NV Ivanov, F Lüdicke, S Maeder, M Peitsch, B Phillips, C Poussin, P Vanscheeuwijck
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Poster
February 22, 2019
Platform 1
Sociodemographic Characteristics of “Heat-not-Burn” Product Users Compared with Cigarette Smokers: First-Year Results of a Repeated Cross-Sectional Survey in Japan
P Langer, E. F. Afolalu, L Prieto, D Skiada, M Dobrynina, Z Sponsiello Wang, G Baker, R Weitkunat, F Lüdicke
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Poster
February 22, 2019
A Multicenter, Multiregional Study on Biological and Functional Changes in Healthy Adult Smokers During One Year of Continuous Smoking Abstinence
Loyse Felber Medlin , CT Tran, W Teck Ng, N Lama, BV Taranu, E Pierri, P Picavet, G Baker, C Haziza, F Lüdicke
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Peer-Reviewed Publication
February 5, 2019
Platform 1
Reduction In Exposure To Selected Harmful And Potentially Harmful Constituents Approaching Those Observed Upon Smoking Abstinence In Smokers Switching To The Menthol Tobacco Heating System 2.2 For Three Months (Part 1)
C Haziza, G de La Bourdonnaye, A Donelli, V Poux, D Skiada, R Weitkunat, G Baker, P Picavet, F Lüdicke
DOI : 10.1093/ntr/ntz013
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Report
December 10, 2018
Platform 1
Summary of Evidence: Cytotoxic Effects on Bronchial Epithelial Cells
G Baker, P Picavet, M Smith, P Vanscheeuwijck, E Veljkovic, M Peitsch
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Report
November 20, 2018
Platform 1
Summary of the Evidence: Pulmonary and Immunosuppressive Effects of IQOS
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Peer-Reviewed Publication
November 19, 2018
Influence of smoking on levels of urinary 8-iso Prostaglandin F2α
A van der Plas, S Pouly, G de La Bourdonnaye, G Baker, F Lüdicke
DOI : 10.1016/j.toxrep.2018.11.011
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Poster
November 15, 2018
Platform 1
Modeling the population years of life saved by introducing a reduced risk product in the US and in Japan
S Djurdjevic, R Weitkunat, G Baker, F Lüdicke, NM Silva
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Peer-Reviewed Publication
October 20, 2018
Platform 1
Estimating the population health impact of introducing a reduced-risk tobacco product into Japan. The effect of differing assumptions, and some comparisons with the U.S.
PN Lee*, S Djurdjevic, R Weitkunat, G Baker
* This author is not affiliated with PMI. -
Poster
September 17, 2018
Platform 1
Cardiovascular Effects Observed When Using the Tobacco Heating System (THS) 2.2 Compared with Continued Smoking
G Baker, C Haziza, J Hoeng, NV Ivanov, F Lüdicke, S Maeder, M Peitsch, B Phillips, P Picavet, C Poussin, P Vanscheeuwijck
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Peer-Reviewed Publication
August 24, 2018
Platform 1
Evaluation of Biological and Functional Changes in Healthy Smokers Switching to the Tobacco Heating System 2.2 Versus Continued Tobacco Smoking: Protocol for a Randomized, Controlled, Multicenter Study
M S Ansari, N Lama, N Blanc, M Bosilkovska, A Donelli, P Picavet, G Baker, C Haziza, F Lüdicke
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Infoposter
June 15, 2018
A Multi-Center, Multi-Regional, Study on Biological and Functional Changes in Healthy Adult Smokers during One Year of Continuous Smoking Abstinence
C Tran, Loyse Felber Medlin , N Lama, BV Taranu, E Pierri, J Ancerewicz, P Picavet, G Baker, C Haziza, F Lüdicke
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Infoposter
June 15, 2018
Evaluation of biological and functional changes in healthy smokers after switching from cigarettes to Tobacco Heating System (THS) 2.2 for 6 months
S Ansari, N Lama, N Blanc, D Skiada, J Ancerewicz, P Picavet, G Baker, C Haziza, F Lüdicke
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Infoposter
June 15, 2018
Modeling the Population Health Impact of introducing a Reduced Risk Product into the Japan market
S Djurdjevic, G Baker, T Iida, E Konishi, F Lüdicke
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Poster
June 11, 2018
Platform 1
Cardiovascular Effects Observed When Using the Tobacco Heating System (THS) 2.2 Compared with Continued Smoking
G Baker, C Haziza, J Hoeng, NV Ivanov, F Lüdicke, S Maeder, M Peitsch, B Phillips, P Picavet, C Poussin, P Vanscheeuwijck
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Poster
June 11, 2018
Platform 1
Changes in Clinical Risk Endpoints Linked to Cardiovascular and Other Smoking-Related Diseases after Switching from Cigarettes to the Tobacco Heating System (THS) 2.2 for Six Months
C Haziza, S Ansari, N Lama, M Bosilkovska, N Blanc, D Skiada, J Ancerewicz, P Picavet, G Baker, F Lüdicke
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Peer-Reviewed Publication
June 9, 2018
Modeling the impact of changes in tobacco use on individual disease risks
S Djurdjevic, Z Sponsiello Wang, PN Lee*, JS Fry*, R Weitkunat, F Lüdicke, G Baker
* This author is not affiliated with PMI. -
Peer-Reviewed Publication
May 16, 2018
Platform 1
Modeling the Population Health Impact of Introducing a Modified Risk Tobacco Product into the U.S. Market
S Djurdjevic, PN Lee*, R Weitkunat, Z Sponsiello Wang, F Lüdicke, G Baker
* This author is not affiliated with PMI.DOI : 10.3390/healthcare6020047
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Peer-Reviewed Publication
April 19, 2018
Influence of smoking and smoking cessation on levels of urinary 11-dehydro thromboxane B2
A van der Plas, S Pouly, G de La Bourdonnaye, W Teck Ng, G Baker, F Lüdicke
DOI : 10.1016/j.toxrep.2018.04.005
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Poster
February 27, 2018
Prediction of disease-specific death rates by using forecasts of their key predictive ecological indicators
S Djurdjevic, A van der Plas, H Brenner*, G Baker, F Lüdicke
* This author is not affiliated with PMI. -
Poster
February 26, 2018
A multi-center multiregional study on biological and functional changes in healthy adult smokers during one year of continuous smoking abstinence
C Tran, Loyse Felber Medlin , N Lama, BV Taranu, E Pierri, J Ancerewicz, P Picavet, G Baker, C Haziza, F Lüdicke
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Peer-Reviewed Publication
December 18, 2017
Platform 1
Quantifying the risk-reduction potential of new Modified Risk Tobacco Products
F Martin, G Vuillaume, G Baker, Z Sponsiello Wang, PF Ricci*, F Lüdicke, R Weitkunat
* This author is not affiliated with PMI.Regulatory Toxicology and Pharmacology
DOI : 10.1016/j.yrtph.2017.12.011
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Peer-Reviewed Publication
July 29, 2017
Platform 1
Nicotine pharmacokinetic profiles of the Tobacco Heating System 2.2, cigarettes and nicotine gum in Japanese smokers
P Brossard, R Weitkunat, V Poux, N Lama, C Haziza, P Picavet, G Baker, F Lüdicke
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Peer-Reviewed Publication
June 24, 2017
Estimating the effect of differing assumptions on the population health impact of introducing a Reduced-Risk Tobacco Product in the USA
PN Lee*, JS Fry*, JF Hamling*, Z Sponsiello Wang, G Baker, R Weitkunat
* This author is not affiliated with PMI. -
Poster
March 8, 2017
Modeling the impact of changes in tobacco use on individual disease risk
R Weitkunat, F Lüdicke, JS Fry*, PN Lee*, S Djurdjevic, Z Sponsiello Wang, G Baker
* This author is not affiliated with PMI. -
Peer-Reviewed Publication
February 8, 2017
Platform 1
Effects of Switching to the Tobacco Heating System 2.2 Menthol, Smoking Abstinence, or Continued Cigarette Smoking on Biomarkers of Exposure: A Randomized, Controlled, Open-Label, Multicenter Study in Sequential Confinement and Ambulatory Settings (Part 1)
F Lüdicke, P Picavet, G Baker, C Haziza, V Poux, N Lama, R Weitkunat
DOI : 10.1093/ntr/ntw287
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Peer-Reviewed Publication
February 8, 2017
Platform 1
Effects of Switching to Menthol THS2.2, Smoking Abstinence, or Continued Cigarette Smoking on Clinically Relevant Risk Markers: A Randomized, Controlled, Open-Label, Multicenter Study in Sequential Confinement and Ambulatory Settings (Part 2)
F Lüdicke, P Picavet, G Baker, C Haziza, V Poux, N Lama, R Weitkunat
DOI : 10.1093/ntr/ntx028
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Publication
February 1, 2017
Heated Tobacco Products
Biomarker of exposure level data set in smokers switching from conventional cigarettes to Tobacco Heating System 2.2, continuing smoking or abstaining from smoking for 5 days
C Haziza, G de La Bourdonnaye, D Skiada, J Ancerewicz, G Baker, P Picavet, F Lüdicke
DOI : 10.1016/j.dib.2016.11.047
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Peer-Reviewed Publication
January 4, 2017
Platform 1
Biomarker of exposure level data set in smokers switching from conventional cigarettes to Tobacco Heating System 2.2, continuing smoking or abstaining from smoking for 5 days
C Haziza, G de La Bourdonnaye, D Skiada, J Ancerewicz, G Baker, P Picavet, F Lüdicke
DOI : 10.1016/j.dib.2016.11.047
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Peer-Reviewed Publication
November 4, 2016
Platform 1
Evaluation of the Tobacco Heating System 2.2. Part 8: 5-Day randomized reduced exposure clinical study in Poland
C Haziza, G de La Bourdonnaye, D Skiada, J Ancerewicz, G Baker, P Picavet, F Lüdicke
Regulatory Toxicology and Pharmacology
DOI : 10.1016/j.yrtph.2016.11.003
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Presentation
October 8, 2016
Platform 1
THS2.2 – A Heat-not-Burn Product - Scientific Results to Date
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Peer-Reviewed Publication
September 29, 2016
Platform 1
Assessment of the reduction in levels of exposure to harmful and potentially harmful constituents in Japanese subjects using a novel tobacco heating system compared with conventional cigarettes and smoking abstinence: A randomized controlled study in confinement
C Haziza, G de La Bourdonnaye, S Merlet, M Benzimra, J Ancerewicz, A Donelli, G Baker, P Picavet, F Lüdicke
Regulatory Toxicology and Pharmacology
DOI : 10.1016/j.yrtph.2016.09.014
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Poster
September 9, 2016
Platform 1
Reduced exposure to Harmful and Potentially Harmful Constituents after 90 days of use of tobacco heating system 2.2 in Japan: a comparison with continued cigarette use or smoking abstinence
F Lüdicke, C Haziza, N Lama, A Donelli, G Baker, J Ancerewicz, M Benzimra, M Franzon, M Endo*, P Picavet
* This author is not affiliated with PMI. -
Peer-Reviewed Publication
July 1, 2016
Platform 1
Reduced Exposure to Harmful and Potentially Harmful Smoke Constituents with the Tobacco Heating System 2.1
DOI : 10.1093/ntr/ntw164
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Poster
June 24, 2016
Heated Tobacco Products
Accuracy of the Smoking Questionnaire (SQ)
Z Sponsiello Wang, G de La Bourdonnaye, M David, G Baker, F Lüdicke, R Weitkunat
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Poster
June 17, 2016
Heated Tobacco Products
Comparing the Levels of Harmful Compounds in Smokers that either Continue to Smoke, Quit or Switch to THS2.2 Menthol (Japan)
C Haziza, N Lama, A Donelli, P Picavet, G Baker, J Ancerewicz, M Benzimra, M Franzon, M Endo*, F Lüdicke
* This author is not affiliated with PMI. -
Poster
June 17, 2016
Heated Tobacco Products
Comparing The Levels Of Harmful Compounds In Smokers That Either Continue To Smoke, Quit Or Switch To THS2.2 Menthol (USA)
C Haziza, G de La Bourdonnaye, P Picavet, G Baker, D Skiada, S Merlet, M Franzon, F Farmer, W Lewis, F Lüdicke
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Poster
June 17, 2016
Platform 1
Validating PMI’s Population Health Impact Model
G Baker, Z Sponsiello Wang, PN Lee*, JS Fry*, F Lüdicke, R Weitkunat
* This author is not affiliated with PMI.