2026 Gregory Kaltsas: Medicine Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Medicine	85	14552	13704	40	39	507	27908

Gregory Kaltsas publication distribution in Medicine in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Medicine in 2026. The highlighted bar marks where Gregory Kaltsas sits on this spectrum.

101 publications 1,796+

This scientist: 507 publications — 59th percentile

59% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,796 publications or more.

Gregory Kaltsas D-index placement in Medicine in 2026

The chart shows the D-index (discipline H-index) distribution of Medicine scientists ranked by Research.com in 2026. The highlighted bar marks where Gregory Kaltsas sits on this spectrum.

70 D-Index 217+

This scientist: 85 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 217 D-Index or more.

Overview

Gregory Kaltsas is affiliated with the National and Kapodistrian University of Athens in Greece and has a scholarly focus primarily within the field of Medicine, with a particular emphasis on Endocrinology, Diabetes and Metabolism. Their body of research comprises 357 publications, including significant work in subfields such as Epidemiology, Oncology, Surgery, and Neurology.

Their research topics cover a broad spectrum related to endocrine and oncological conditions. Key topics include:

Neuroendocrine Tumor Research Advances
Adrenal and Paraganglionic Tumors
Lung Cancer Research Studies
Neuroblastoma Research and Treatments
Hormonal Regulation and Hypertension
Pituitary Gland Disorders and Treatments
Cancer, Hypoxia, and Metabolism

Kaltsas has coauthored extensively with several researchers, indicating collaborative work spanning multiple studies. Frequent co-authors include:

Marina Tsoli
Anna Angelousi
Krystallenia Alexandraki
Eva Kassi
Kosmas Daskalakis

The scientist's frequent publication venues highlight a focus on endocrinology and oncology disciplines. These include:

Endocrine Abstracts
Endocrine
Journal of Neuroendocrinology
Cancers
Neuroendocrinology

Selected recent papers exemplify the thematic breadth and depth of Kaltsas's work:

"Empagliflozin Attenuates Non-Alcoholic Fatty Liver Disease (NAFLD) in High Fat Diet Fed ApoE(-/-) Mice by Activating Autophagy and Reducing ER Stress and Apoptosis" (2021), International Journal of Molecular Sciences
"Consensus on molecular imaging and theranostics in neuroendocrine neoplasms" (2021), European Journal of Cancer
"International expert consensus recommendations for the diagnosis and treatment of Langerhans cell histiocytosis in adults" (2022), Blood
"Age-dependent and sex-dependent disparity in mortality in patients with adrenal incidentalomas and autonomous cortisol secretion: an international, retrospective, cohort study" (2022), The Lancet Diabetes & Endocrinology
"A meta-analysis of the accuracy of a neuroendocrine tumor mRNA genomic biomarker (NETest) in blood" (2020), Annals of Oncology

Best Publications

Metabolic syndrome: definitions and controversies

Eva Kassi;Panagiota Pervanidou;Gregory Kaltsas;George Chrousos

1760
Citations
Polycystic ovary syndrome: the spectrum of the disorder in 1741 patients.

Adam H. Balen;Gerry S. Conway;Gregory Kaltsas;Kitirak Techatraisak

1469
Citations
ENETS Consensus Guidelines Update for the Management of Patients with Functional Pancreatic Neuroendocrine Tumors and Non-Functional Pancreatic Neuroendocrine Tumors.

M. Falconi;B. Eriksson;G. Kaltsas;D.K. Bartsch

1227
Citations
The diagnosis and medical management of advanced neuroendocrine tumors.

Gregory A. Kaltsas;G. Michael Besser;Ashley B. Grossman

901
Citations
Pulmonary neuroendocrine (carcinoid) tumors: European Neuroendocrine Tumor Society expert consensus and recommendations for best practice for typical and atypical pulmonary carcinoids

Martyn E. Caplin;E. Baudin;P. Ferolla;P. Filosso

723
Citations
ENETS Consensus Guidelines for the management of patients with digestive neuroendocrine neoplasms: functional pancreatic endocrine tumor syndromes.

Robert T. Jensen;Guillaume Cadiot;Maria L. Brandi;Wouter W. de Herder

675
Citations
The Ectopic Adrenocorticotropin Syndrome: Clinical Features, Diagnosis, Management, and Long-Term Follow-Up

Andrea M. Isidori;Gregory A. Kaltsas;Carlotta Pozza;Vanni Frajese

592
Citations
Management of adult patients with Langerhans cell histiocytosis: recommendations from an expert panel on behalf of Euro-Histio-Net

Michael Girschikofsky;Maurizio Arico;Diego Castillo;Anthony Chu

406
Citations
The diagnosis and management of malignant phaeochromocytoma and paraganglioma

Alexandra Chrisoulidou;Gregory Kaltsas;Ioannis Ilias;Ashley B Grossman

388
Citations
Diagnosis and Management of Pituitary Carcinomas

Gregory A. Kaltsas;Panagiotis Nomikos;George Kontogeorgos;Michael Buchfelder

380
Citations
Comparison of Somatostatin Analog and Meta-Iodobenzylguanidine Radionuclides in the Diagnosis and Localization of Advanced Neuroendocrine Tumors

G. Kaltsas;M. Korbonits;E. Heintz;J. J. Mukherjee

335
Citations
Characterization of idiopathic premature ovarian failure

Gerard S. Conway;Gregory Kaltsas;Anita Patel;Melanie C. Davies

315
Citations
Optimizing Growth Hormone Replacement Therapy by Dose Titration in Hypopituitary Adults

W. M. Drake;D. Coyte;C. Camacho-Hübner;N. M. Jivanji

309
Citations
A Critical Analysis of the Value of Simultaneous Inferior Petrosal Sinus Sampling in Cushing’s Disease and the Occult Ectopic Adrenocorticotropin Syndrome

G A Kaltsas;M G Giannulis;John Newell-Price;J E Dacie

283
Citations
ENETS Consensus Guidelines for the Standards of Care in Neuroendocrine Tumors: Radiological Examinations

Anders Sundin;Marie-Pierre Vullierme;Gregory Kaltsas;Ursula Plöckinger

278
Citations
ENETS Consensus Guidelines for the Standards of Care in Neuroendocrine Neoplasms: Peptide Receptor Radionuclide Therapy with Radiolabelled Somatostatin Analogues

Rodney J. Hicks;Dik J. Kwekkeboom;Eric Krenning;Lisa Bodei

276
Citations
Aggressive Pituitary Tumors

Eleftherios Chatzellis;Krystallenia I. Alexandraki;Ioannis I. Androulakis;Gregory Kaltsas

270
Citations
Hypothalamo-pituitary abnormalities in adult patients with langerhans cell histiocytosis: clinical, endocrinological, and radiological features and response to treatment.

G. A. Kaltsas;T. B. Powles;J. Evanson;P. N. Plowman

268
Citations
Recent advances in radiological and radionuclide imaging and therapy of neuroendocrine tumours

Gregory Kaltsas;Andrea Rockall;Dimitrios Papadogias;Rodney Reznek

256
Citations
THE NEUROENDOCRINOLOGY OF STRESS

Gregory A. Kaltsas;George P. Chrousos

56
Citations

Frequent Co-Authors

Ashley B. Grossman University of Oxford

George P. Chrousos National and Kapodistrian University of Athens

Andrea M. Isidori Sapienza University of Rome

Kjell Öberg Uppsala University

Wouter W. de Herder Erasmus University Rotterdam

Márta Korbonits Queen Mary University of London

G. M. Besser St Bartholomew's Hospital

Massimo Falconi Vita-Salute San Raffaele University

Peter J Trainer University of Manchester

Matthew H. Kulke Boston Medical Center

External Links

Personal website of Gregory Kaltsas

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