Norbert Stefan

33.7k total citations · 18 hit papers
338 papers, 23.6k citations indexed

About

Norbert Stefan is a scholar working on Epidemiology, Endocrinology, Diabetes and Metabolism and Physiology. According to data from OpenAlex, Norbert Stefan has authored 338 papers receiving a total of 23.6k indexed citations (citations by other indexed papers that have themselves been cited), including 151 papers in Epidemiology, 134 papers in Endocrinology, Diabetes and Metabolism and 127 papers in Physiology. Recurrent topics in Norbert Stefan's work include Liver Disease Diagnosis and Treatment (104 papers), Adipose Tissue and Metabolism (77 papers) and Metabolism, Diabetes, and Cancer (63 papers). Norbert Stefan is often cited by papers focused on Liver Disease Diagnosis and Treatment (104 papers), Adipose Tissue and Metabolism (77 papers) and Metabolism, Diabetes, and Cancer (63 papers). Norbert Stefan collaborates with scholars based in Germany, United States and Italy. Norbert Stefan's co-authors include Hans‐Ulrich Häring, Andreas Fritsche, Fritz Schick, Matthias B. Schulze, Jürgen Machann, Fausto Machicao, Harald Staiger, Kοnstantinos Kantartzis, Michael Stümvoll and Andreas L. Birkenfeld and has published in prestigious journals such as JAMA, Circulation and Nature Medicine.

In The Last Decade

Norbert Stefan

322 papers receiving 23.1k citations

Hit Papers

Identification and Characterization of Metabolically Beni... 2002 2026 2010 2018 2008 2012 2013 2018 2009 250 500 750
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Identification and Characterization of Metabolically Benign Obesity in Humans
    2008 817 citations Norbert Stefan profile →
  2. Identification of Serum Metabolites Associated With Risk of Type 2 Diabetes Using a Targeted Metabolomic Approach
    2012 755 citations Norbert Stefan, Hans‐Georg Joost et al. profile →
  3. Metabolically healthy obesity: epidemiology, mechanisms, and clinical implications
    2013 647 citations Norbert Stefan, Hans‐Ulrich Häring et al. The Lancet Diabetes & Endocrinology profile →
  4. Non-alcoholic fatty liver disease: causes, diagnosis, cardiometabolic consequences, and treatment strategies
    2018 619 citations Norbert Stefan, Hans‐Ulrich Häring et al. The Lancet Diabetes & Endocrinology profile →
  5. Non-invasive assessment and quantification of liver steatosis by ultrasound, computed tomography and magnetic resonance
    2009 603 citations Norbert Stefan, Jürgen Machann et al. profile →
  6. High Alanine Aminotransferase Is Associated With Decreased Hepatic Insulin Sensitivity and Predicts the Development of Type 2 Diabetes
    2002 591 citations Norbert Stefan et al. profile →
  7. The role of hepatokines in metabolism
    2013 395 citations Norbert Stefan, Hans‐Ulrich Häring profile →
  8. Obesity and impaired metabolic health in patients with COVID-19
    2020 394 citations Norbert Stefan, Andreas L. Birkenfeld et al. profile →
  9. Causes, Characteristics, and Consequences of Metabolically Unhealthy Normal Weight in Humans
    2017 386 citations Norbert Stefan, Fritz Schick et al. Cell Metabolism profile →
  10. Causes, consequences, and treatment of metabolically unhealthy fat distribution
    2020 376 citations Norbert Stefan The Lancet Diabetes & Endocrinology profile →
  11. The impact of insulin resistance on the kidney and vasculature
    2016 317 citations Erwin Schleicher, Andreas Fritsche et al. profile →
  12. Global pandemics interconnected — obesity, impaired metabolic health and COVID-19
    2021 304 citations Norbert Stefan, Andreas L. Birkenfeld et al. profile →
  13. Transition from metabolic healthy to unhealthy phenotypes and association with cardiovascular disease risk across BMI categories in 90 257 women (the Nurses' Health Study): 30 year follow-up from a prospective cohort study
    2018 303 citations Norbert Stefan, Matthias B. Schulze et al. The Lancet Diabetes & Endocrinology profile →
  14. Pathophysiology-based subphenotyping of individuals at elevated risk for type 2 diabetes
    2021 210 citations Róbert Wágner, Martin Heni et al. profile →
  15. The role of hepatokines in NAFLD
    2023 176 citations Norbert Stefan, Fritz Schick et al. Cell Metabolism profile →
  16. Metabolic health and cardiometabolic risk clusters: implications for prediction, prevention, and treatment
    2023 107 citations Norbert Stefan, Matthias B. Schulze The Lancet Diabetes & Endocrinology profile →
  17. Metabolic dysfunction-associated steatotic liver disease: heterogeneous pathomechanisms and effectiveness of metabolism-based treatment
    2024 81 citations Norbert Stefan, Hannele Yki‐Järvinen et al. The Lancet Diabetes & Endocrinology profile →
  18. Metabolically healthy obesity: from epidemiology and mechanisms to clinical implications
    2024 47 citations Matthias B. Schulze, Norbert Stefan profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Norbert Stefan Germany 81 9.8k 7.7k 7.4k 5.9k 3.9k 338 23.6k
Karen S.L. Lam Hong Kong 81 9.0k 0.9× 7.6k 1.0× 6.2k 0.8× 8.1k 1.4× 5.1k 1.3× 386 26.5k
Michael Roden Germany 88 10.1k 1.0× 12.3k 1.6× 9.2k 1.2× 10.9k 1.8× 3.3k 0.8× 702 33.0k
Michael Stümvoll Germany 87 9.3k 1.0× 11.9k 1.5× 7.3k 1.0× 9.8k 1.7× 3.7k 1.0× 582 32.0k
Amalia Gastaldelli Italy 83 10.9k 1.1× 7.9k 1.0× 11.0k 1.5× 6.5k 1.1× 3.4k 0.9× 352 25.6k
José Manuel Fernández‐Real Spain 82 7.3k 0.8× 8.5k 1.1× 3.9k 0.5× 9.0k 1.5× 2.5k 0.6× 501 26.6k
Enzo Bonora Italy 78 8.4k 0.9× 4.4k 0.6× 11.2k 1.5× 5.2k 0.9× 4.8k 1.2× 356 25.1k
Ulf Smith Sweden 92 8.4k 0.9× 11.7k 1.5× 6.8k 0.9× 8.6k 1.5× 3.8k 1.0× 394 27.5k
Paresh Dandona United States 81 6.1k 0.6× 5.0k 0.7× 8.6k 1.2× 5.2k 0.9× 3.6k 0.9× 496 25.2k
Hannele Yki‐Järvinen Finland 104 13.4k 1.4× 9.4k 1.2× 16.4k 2.2× 9.6k 1.6× 5.5k 1.4× 381 35.6k
DF Treacher United Kingdom 11 7.9k 0.8× 8.3k 1.1× 10.0k 1.4× 5.0k 0.8× 4.7k 1.2× 19 27.8k

Countries citing papers authored by Norbert Stefan

Since Specialization
Citations

This map shows the geographic impact of Norbert Stefan's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Norbert Stefan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Norbert Stefan more than expected).

Fields of papers citing papers by Norbert Stefan

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Norbert Stefan. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Norbert Stefan. The network helps show where Norbert Stefan may publish in the future.

Co-authorship network of co-authors of Norbert Stefan

This figure shows the co-authorship network connecting the top 25 collaborators of Norbert Stefan. A scholar is included among the top collaborators of Norbert Stefan based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Norbert Stefan. Norbert Stefan is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
2.
Gong, Qiuhong, Robert L. Hanson, Jinping Wang, et al.. (2025). Prediabetes remission and cardiovascular morbidity and mortality: post-hoc analyses from the Diabetes Prevention Program Outcome study and the DaQing Diabetes Prevention Outcome study. The Lancet Diabetes & Endocrinology. 14(2). 137–148. 1 indexed citations
3.
Bantel, Heike, Peter Buggisch, Andreas Geier, et al.. (2025). Metabolic Dysfunction–Associated Steatohepatitis Diagnosis and Management in Germany: Insights From an Expert Consensus Panel. Liver International. 45(8). e70225–e70225. 3 indexed citations
4.
Zaharia, Oana‐Patricia, Klaus Straßburger, John Dennis, et al.. (2025). Recognising, quantifying and accounting for classification uncertainty in type 2 diabetes subtypes. Diabetologia. 68(10). 2139–2150. 2 indexed citations
5.
Tao, Rongya, Oliver Stöhr, Özlem Tök, et al.. (2025). Fructose and follistatin potentiate acute MASLD during complete hepatic insulin resistance. Nature Communications. 16(1). 11595–11595.
6.
7.
Stefan, Norbert & Michael Roden. (2024). Diabetes and Fatty Liver. Experimental and Clinical Endocrinology & Diabetes. 132(3). 136–141.
8.
Stefan, Norbert, Hannele Yki‐Järvinen, & Brent A. Neuschwander‐Tetri. (2024). Metabolic dysfunction-associated steatotic liver disease: heterogeneous pathomechanisms and effectiveness of metabolism-based treatment. The Lancet Diabetes & Endocrinology. 13(2). 134–148. 81 indexed citations breakdown →
9.
Siegel‐Axel, Dorothea, Felicia Gerst, Falko Fend, et al.. (2023). Extracellular Matrix Expression in Human Pancreatic Fat Cells of Patients with Normal Glucose Regulation, Prediabetes and Type 2 Diabetes. International Journal of Molecular Sciences. 24(13). 11169–11169. 1 indexed citations
10.
Stefan, Norbert, Fritz Schick, Andreas L. Birkenfeld, Hans‐Ulrich Häring, & Morris F. White. (2023). The role of hepatokines in NAFLD. Cell Metabolism. 35(2). 236–252. 176 indexed citations breakdown →
11.
Kullmann, Stephanie, Julia Hummel, Róbert Wágner, et al.. (2021). Empagliflozin Improves Insulin Sensitivity of the Hypothalamus in Humans With Prediabetes: A Randomized, Double-Blind, Placebo-Controlled, Phase 2 Trial. Diabetes Care. 45(2). 398–406. 67 indexed citations
12.
Stefan, Norbert. (2020). Phenotypes of prediabetes: pathogenesis and consequences for prediction and prevention of type 2 diabetes and cardiovascular diseases. SHILAP Revista de lepidopterología. 22(6). 577–581. 1 indexed citations
13.
Randrianarisoa, Elko, Angela Lehn‐Stefan, Anja Böhm, et al.. (2019). AMPK Subunits Harbor Largely Nonoverlapping Genetic Determinants for Body Fat Mass, Glucose Metabolism, and Cholesterol Metabolism. The Journal of Clinical Endocrinology & Metabolism. 105(1). 14–25. 9 indexed citations
14.
Fritsche, Louise, Róbert Wágner, Norbert Stefan, et al.. (2018). Genetic variation in TCF7L2 rs7903146 and history of GDM negatively and independently impact on diabetes-associated metabolic traits. Diabetes Research and Clinical Practice. 146. 251–257. 10 indexed citations
15.
Heni, Martin, Katarzyna Linder, Róbert Wágner, et al.. (2018). Potential effects of reduced red meat compared with increased fiber intake on glucose metabolism and liver fat content: a randomized and controlled dietary intervention study. American Journal of Clinical Nutrition. 109(2). 288–296. 19 indexed citations
16.
Wágner, Róbert, Jürgen Machann, Martina Guthoff, et al.. (2017). The protective effect of human renal sinus fat on glomerular cells is reversed by the hepatokine fetuin-A. Scientific Reports. 7(1). 2261–2261. 18 indexed citations
17.
Simon, Manuel, Norbert Stefan, Lubor Borsig, Andreas Plückthun, & Uwe Zangemeister‐Wittke. (2013). Increasing the Antitumor Effect of an EpCAM-Targeting Fusion Toxin by Facile Click PEGylation. Molecular Cancer Therapeutics. 13(2). 375–385. 33 indexed citations
18.
Stefan, Norbert, et al.. (2010). A Novel Fusion Toxin Derived from an EpCAM-Specific Designed Ankyrin Repeat Protein Has Potent Antitumor Activity. Clinical Cancer Research. 17(1). 100–110. 76 indexed citations
19.
Silbernagel, Günther, Norbert Stefan, Fritz Schick, et al.. (2008). The L162V Polymorphism of the Peroxisome Proliferator Activated Receptor Alpha Gene (PPARA) is not Associated with Type 2 Diabetes, BMI or Body Fat Composition. Experimental and Clinical Endocrinology & Diabetes. 117(3). 113–118. 16 indexed citations
20.
Haap, Michael, Fausto Machicao, Norbert Stefan, et al.. (2005). Genetic Determinants of Insulin Action in Polycystic Ovary Syndrome. Experimental and Clinical Endocrinology & Diabetes. 113(5). 275–281. 65 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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