Michael Zitzmann

11.8k total citations · 2 hit papers
168 papers, 8.0k citations indexed

About

Michael Zitzmann is a scholar working on Endocrinology, Diabetes and Metabolism, Molecular Biology and Reproductive Medicine. According to data from OpenAlex, Michael Zitzmann has authored 168 papers receiving a total of 8.0k indexed citations (citations by other indexed papers that have themselves been cited), including 121 papers in Endocrinology, Diabetes and Metabolism, 70 papers in Molecular Biology and 56 papers in Reproductive Medicine. Recurrent topics in Michael Zitzmann's work include Hormonal and reproductive studies (119 papers), Sexual Differentiation and Disorders (68 papers) and Pharmacology and Obesity Treatment (41 papers). Michael Zitzmann is often cited by papers focused on Hormonal and reproductive studies (119 papers), Sexual Differentiation and Disorders (68 papers) and Pharmacology and Obesity Treatment (41 papers). Michael Zitzmann collaborates with scholars based in Germany, Italy and United States. Michael Zitzmann's co-authors include Eberhard Nieschlag, Axel Kamischke, Fabio Lanfranco, Jörg Gromoll, Sabine Kliesch, Abdulmaged M. Traish, Abraham Morgentaler, Mario Maggi, Julia Rohayem and Giovanni Corona and has published in prestigious journals such as The Lancet, Journal of Clinical Oncology and SHILAP Revista de lepidopterología.

In The Last Decade

Michael Zitzmann

156 papers receiving 7.7k citations

Hit Papers

align trajectories

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.

Klinefelter's syndrome

2004 654 citations Fabio Lanfranco, Michael Zitzmann et al. profile →
European Academy of Andrology (EAA) guidelines on investigation, treatment and monitoring of functional hypogonadism in males

2020 234 citations Giovanni Corona, Dimitrios G. Goulis et al. Andrology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Michael Zitzmann Germany	48	4.8k	3.0k	2.5k	1.6k	1.5k	168	8.0k
Frances J. Hayes United States	40	4.9k 1.0×	2.7k 0.9×	3.8k 1.5×	1.6k 1.0×	1.6k 1.0×	80	8.2k
S. Mitchell Harman United States	54	6.8k 1.4×	2.1k 0.7×	1.6k 0.6×	1.9k 1.2×	1.1k 0.7×	154	11.2k
Stefan Arver Sweden	43	2.8k 0.6×	1.5k 0.5×	1.2k 0.5×	462 0.3×	998 0.6×	157	6.2k
Andrea Fabbri Italy	48	3.8k 0.8×	1.4k 0.5×	1.5k 0.6×	627 0.4×	963 0.6×	155	7.8k
Giancarlo Balercia Italy	45	2.5k 0.5×	1.7k 0.6×	1.8k 0.7×	732 0.5×	616 0.4×	200	6.1k
Shalender Bhasin United States	34	3.8k 0.8×	2.0k 0.7×	954 0.4×	947 0.6×	937 0.6×	65	6.3k
Nelly Pitteloud Switzerland	47	2.5k 0.5×	3.0k 1.0×	4.4k 1.8×	2.4k 1.5×	530 0.3×	145	7.5k
Angelica Lindén Hirschberg Sweden	49	2.6k 0.5×	1.4k 0.5×	1.8k 0.7×	1.1k 0.7×	180 0.1×	234	7.5k
Andrea D. Coviello United States	28	2.9k 0.6×	958 0.3×	1.3k 0.5×	296 0.2×	783 0.5×	43	4.4k
Cesare Carani Italy	41	2.5k 0.5×	1.6k 0.5×	1.3k 0.5×	1.7k 1.1×	213 0.1×	141	5.6k

Countries citing papers authored by Michael Zitzmann

Since Specialization

Citations

This map shows the geographic impact of Michael Zitzmann'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 Michael Zitzmann with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Michael Zitzmann more than expected).

Fields of papers citing papers by Michael Zitzmann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael Zitzmann. 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 Michael Zitzmann. The network helps show where Michael Zitzmann may publish in the future.

Co-authorship network of co-authors of Michael Zitzmann

This figure shows the co-authorship network connecting the top 25 collaborators of Michael Zitzmann. A scholar is included among the top collaborators of Michael Zitzmann 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 Michael Zitzmann. Michael Zitzmann is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Zitzmann, Michael. (2024). Testosterone deficiency and chronic kidney disease. Journal of Clinical & Translational Endocrinology. 37. 100365–100365. 7 indexed citations

Laurentino, Sandra, Jann‐Frederik Cremers, Bernhard Horsthemke, et al.. (2020). A germ cell‐specific ageing pattern in otherwise healthy men. Aging Cell. 19(10). e13242–e13242. 38 indexed citations

Corona, Giovanni, Dimitrios G. Goulis, Ilpo Huhtaniemi, et al.. (2020). European Academy of Andrology (EAA) guidelines on investigation, treatment and monitoring of functional hypogonadism in males. Andrology. 8(5). 970–987. 234 indexed citations breakdown →

Schmid, Stefan, et al.. (2019). Androgen receptor gene polymorphism and sexual function in midlife women. Archives of Gynecology and Obstetrics. 299(4). 1173–1183. 10 indexed citations

Busch, Alexander S., Frank Tüttelmann, Jann‐Frederik Cremers, et al.. (2019). FSHB −211 G>T Polymorphism as Predictor for TESE Success in Patients With Unexplained Azoospermia. The Journal of Clinical Endocrinology & Metabolism. 104(6). 2315–2324. 19 indexed citations

Ragab, Mohamed Wael, Jann‐Frederik Cremers, Michael Zitzmann, et al.. (2018). A history of undescended testes in young men with Klinefelter syndrome does not reduce the chances for successful microsurgical testicular sperm extraction. Andrology. 6(4). 525–531. 9 indexed citations

Morgentaler, Abraham, Michael Zitzmann, Abdulmaged M. Traish, et al.. (2016). The consensus recommendations of a group of international experts on the fundamental concepts related to the issues of testosterone deficiency and its treatment.. Obesity and metabolism. 13(3). 15–31. 2 indexed citations

Zitzmann, Michael. (2015). Are long-acting intramuscular testosterone injections safe?. Nature Reviews Urology. 12(5). 248–249. 1 indexed citations

Deuster, Dirk, et al.. (2015). Voice deepening under testosterone treatment in female-to-male gender dysphoric individuals. European Archives of Oto-Rhino-Laryngology. 273(4). 959–965. 21 indexed citations

10.

Neuhaus, Nina, Joachim Wistuba, Michael Zitzmann, et al.. (2015). Testicular Functions and Clinical Characterization of Patients with Gender Dysphoria (GD) Undergoing Sex Reassignment Surgery (SRS). The Journal of Sexual Medicine. 12(11). 2190–2200. 73 indexed citations

11.

Traish, Abdulmaged M., André T. Guay, & Michael Zitzmann. (2014). 5α-Reductase inhibitors alter steroid metabolism and may contribute to insulin resistance, diabetes, metabolic syndrome and vascular disease: a medical hypothesis. Hormone Molecular Biology and Clinical Investigation. 20(3). 73–80. 22 indexed citations

12.

Zitzmann, Michael, Behre Hm, & Sabine Kliesch. (2013). Gonadotropin Treatment in Male Infertility. Journal für Kardiologie (Krause & Pachernegg GmbH). 10(1). 23–28. 5 indexed citations

13.

Zitzmann, Michael, et al.. (2012). IPASS: A Study on the Tolerability and Effectiveness of Injectable Testosterone Undecanoate for the Treatment of Male Hypogonadism in a Worldwide Sample of 1,438 Men. The Journal of Sexual Medicine. 10(2). 579–588. 93 indexed citations

14.

Wang, Christina, Graham Jackson, T. Hugh Jones, et al.. (2011). Low Testosterone Associated With Obesity and the Metabolic Syndrome Contributes to Sexual Dysfunction and Cardiovascular Disease Risk in Men With Type 2 Diabetes. Diabetes Care. 34(7). 1669–1675. 263 indexed citations

15.

Liu, Peter Y., Ronald S. Swerdloff, Bradley D. Anawalt, et al.. (2008). Determinants of the Rate and Extent of Spermatogenic Suppression during Hormonal Male Contraception: An Integrated Analysis. The Journal of Clinical Endocrinology & Metabolism. 93(5). 1774–1783. 86 indexed citations

16.

Shabsigh, Ridwan, Stefan Arver, Kevin S. Channer, et al.. (2008). The triad of erectile dysfunction, hypogonadism and the metabolic syndrome. International Journal of Clinical Practice. 62(5). 791–798. 77 indexed citations

17.

Nieschlag, Eberhard & Michael Zitzmann. (2006). Testosterone and the Metabolic Syndrome in Men: Current Knowledge. Journal für Kardiologie (Krause & Pachernegg GmbH). 3(6). 382–386. 2 indexed citations

18.

Zitzmann, Michael & E. Nieschlag. (2004). Rauchende Männer - ein Fertilitätsrisiko. Journal für Kardiologie (Krause & Pachernegg GmbH). 1(1). 9–12. 2 indexed citations

19.

Lanfranco, Fabio, Michael Zitzmann, Manuela Simoni, & Eberhard Nieschlag. (2004). Serum adiponectin levels in hypogonadal males: influence of testosterone replacement therapy. Clinical Endocrinology. 60(4). 500–507. 157 indexed citations

20.

Zitzmann, Michael & Eberhard Nieschlag. (2000). Hormone substitution in male hypogonadism. Molecular and Cellular Endocrinology. 161(1-2). 73–88. 119 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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