Kjeld Madsen

3.0k total citations · 2 hit papers
23 papers, 2.4k citations indexed

About

Kjeld Madsen is a scholar working on Molecular Biology, Endocrinology, Diabetes and Metabolism and Cellular and Molecular Neuroscience. According to data from OpenAlex, Kjeld Madsen has authored 23 papers receiving a total of 2.4k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Molecular Biology, 13 papers in Endocrinology, Diabetes and Metabolism and 12 papers in Cellular and Molecular Neuroscience. Recurrent topics in Kjeld Madsen's work include Neuropeptides and Animal Physiology (12 papers), Diabetes Treatment and Management (9 papers) and Receptor Mechanisms and Signaling (8 papers). Kjeld Madsen is often cited by papers focused on Neuropeptides and Animal Physiology (12 papers), Diabetes Treatment and Management (9 papers) and Receptor Mechanisms and Signaling (8 papers). Kjeld Madsen collaborates with scholars based in Denmark, Spain and Germany. Kjeld Madsen's co-authors include Lotte Bjerre Knudsen, Henning Thøgersen, Nils L. Johansen, Jesper Lau, Michael Wilken, Per F. Nielsen, S. Runge, Per Olaf Huusfeldt, Henrik Agersø and Rainer Rudolph and has published in prestigious journals such as Journal of Biological Chemistry, Biochemistry and Journal of Medicinal Chemistry.

In The Last Decade

Kjeld Madsen

22 papers receiving 2.3k citations

Hit Papers

align trajectories sort by overperformance

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.

Discovery of the Once-Weekly Glucagon-Like Peptide-1 (GLP-1) Analogue Semaglutide

2015 736 citations Jesper Lau, Lauge Schäffer et al. Journal of Medicinal Chemistry profile →
Potent Derivatives of Glucagon-like Peptide-1 with Pharmacokinetic Properties Suitable for Once Daily Administration

2000 579 citations Lotte Bjerre Knudsen, Per F. Nielsen et al. Journal of Medicinal Chemistry profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Kjeld Madsen Denmark	14	1.5k	1.5k	737	619	270	23	2.4k
Steffen Reedtz‐Runge Denmark	12	1.3k 0.9×	1.4k 1.0×	595 0.8×	653 1.1×	159 0.6×	17	2.3k
Nils L. Johansen Denmark	13	633 0.4×	702 0.5×	352 0.5×	216 0.3×	115 0.4×	22	1.2k
Jane C. Spetzler Denmark	14	486 0.3×	863 0.6×	218 0.3×	140 0.2×	111 0.4×	23	1.2k
Thomas Kruse Denmark	7	546 0.4×	549 0.4×	213 0.3×	176 0.3×	70 0.3×	9	923
Gerald Burke United States	22	610 0.4×	1.0k 0.7×	388 0.5×	98 0.2×	80 0.3×	109	1.7k
Robert Ardecky United States	22	479 0.3×	1.3k 0.9×	85 0.1×	343 0.6×	181 0.7×	41	2.0k
Dilip Amin United States	14	366 0.2×	529 0.4×	350 0.5×	69 0.1×	280 1.0×	26	1.6k
J Allegrini France	14	590 0.4×	719 0.5×	95 0.1×	120 0.2×	179 0.7×	20	1.9k
Mannix Auger‐Messier Canada	24	131 0.1×	1.0k 0.7×	440 0.6×	409 0.7×	71 0.3×	43	1.8k
Susanne Linde Denmark	18	384 0.3×	698 0.5×	662 0.9×	74 0.1×	83 0.3×	40	1.4k

Countries citing papers authored by Kjeld Madsen

Since Specialization

Citations

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

Fields of papers citing papers by Kjeld Madsen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Kjeld Madsen

This figure shows the co-authorship network connecting the top 25 collaborators of Kjeld Madsen. A scholar is included among the top collaborators of Kjeld Madsen 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 Kjeld Madsen. Kjeld Madsen 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

Lau, Jesper, Lauge Schäffer, Ingrid Pettersson, et al.. (2015). Discovery of the Once-Weekly Glucagon-Like Peptide-1 (GLP-1) Analogue Semaglutide. Journal of Medicinal Chemistry. 58(18). 7370–7380. 736 indexed citations breakdown →

Simonsen, Lene, Jens J. Holst, Kjeld Madsen, & Carolyn F. Deacon. (2013). The C-terminal extension of exendin-4 provides additional metabolic stability when added to GLP-1, while there is minimal effect of truncating exendin-4 in anaesthetized pigs. Regulatory Peptides. 181. 17–21. 21 indexed citations

Runge, S., Henning Thøgersen, Kjeld Madsen, Jesper Lau, & Rainer Rudolph. (2008). Crystal Structure of the Ligand-bound Glucagon-like Peptide-1 Receptor Extracellular Domain. Journal of Biological Chemistry. 283(17). 11340–11347. 244 indexed citations

Peschke, Bernd, Magali Zundel, Trine Ryberg Clausen, et al.. (2007). C-Terminally PEGylated hGH-derivatives. Bioorganic & Medicinal Chemistry. 15(13). 4382–4395. 22 indexed citations

Madsen, Kjeld, Lotte Bjerre Knudsen, Per F. Nielsen, et al.. (2007). Structure−Activity and Protraction Relationship of Long-Acting Glucagon-like Peptide-1 Derivatives: Importance of Fatty Acid Length, Polarity, and Bulkiness. Journal of Medicinal Chemistry. 50(24). 6126–6132. 198 indexed citations

Runge, S., Birgitte S. Wulff, Kjeld Madsen, Hans Bräuner‐Osborne, & Lotte Bjerre Knudsen. (2003). Different domains of the glucagon and glucagon‐like peptide‐1 receptors provide the critical determinants of ligand selectivity. British Journal of Pharmacology. 138(5). 787–794. 101 indexed citations

Runge, S., et al.. (2003). Three Distinct Epitopes on the Extracellular Face of the Glucagon Receptor Determine Specificity for the Glucagon Amino Terminus. Journal of Biological Chemistry. 278(30). 28005–28010. 60 indexed citations

Thomsen, Christian, Joel Martin, Christian Foged, et al.. (2000). [ 3 H]ac-RYYRWK-NH 2 , a novel specific radioligand for the nociceptin/orphanin FQ receptor. Naunyn-Schmiedeberg s Archives of Pharmacology. 362(6). 538–545. 19 indexed citations

Schulz-Utermoehl, Timothy, et al.. (2000). Structure-Function Analysis of Human CYP3A4 Using a Specific Proinhibitory Antipeptide Antibody. Drug Metabolism and Disposition. 28(7). 718–725. 3 indexed citations

10.

Knudsen, Lotte Bjerre, Per F. Nielsen, Per Olaf Huusfeldt, et al.. (2000). Potent Derivatives of Glucagon-like Peptide-1 with Pharmacokinetic Properties Suitable for Once Daily Administration. Journal of Medicinal Chemistry. 43(9). 1664–1669. 579 indexed citations breakdown →

11.

Deacon, Carolyn F., Lotte Bjerre Knudsen, Kjeld Madsen, et al.. (1998). Dipeptidyl peptidase IV resistant analogues of glucagon-like peptide-1 which have extended metabolic stability and improved biological activity. Diabetologia. 41(3). 271–278. 247 indexed citations

12.

Ankersen, Michael, Nils L. Johansen, Kjeld Madsen, et al.. (1998). A New Series of Highly Potent Growth Hormone-Releasing Peptides Derived from Ipamorelin. Journal of Medicinal Chemistry. 41(19). 3699–3704. 27 indexed citations

13.

Hansen, Thomas K., Michael Ankersen, Birgit Sehested Hansen, et al.. (1998). Novel Orally Active Growth Hormone Secretagogues. Journal of Medicinal Chemistry. 41(19). 3705–3714. 30 indexed citations

14.

Peschke, Bernd, Kjeld Madsen, Birgit Sehested Hansen, & Nils L. Johansen. (1997). Aminomethylthiophene-2-carboxylic acids as dipeptide mimetic in new growth hormone secretagogues. Bioorganic & Medicinal Chemistry Letters. 7(15). 1969–1972. 8 indexed citations

15.

González‐Muñiz, Rosario, Manuela G. López, Isabel Gómez‐Monterrey, et al.. (1995). Ketomethylene and (Cyanomethylene)amino Pseudopeptide Analogs of the C-Terminal Hexapeptide of Neurotensin. Journal of Medicinal Chemistry. 38(6). 1015–1021. 15 indexed citations

16.

Alkorta, Ibón, et al.. (1995). Constrained C-terminal hexapeptide neurotensin analogues containing a 3-oxoindolizidine skeleton. Letters in Peptide Science. 1(6). 269–276. 3 indexed citations

17.

Olsen, Uffe Bang, Ján Weis, Peter D. Suzdak, et al.. (1993). Important Role of C‐Terminal Peptide Bonds for Endothelin Receptor Binding and Activity. Pharmacology & Toxicology. 73(1). 60–62. 1 indexed citations

18.

Nakagawa, Satoe H., Nils L. Johansen, Kjeld Madsen, Thue W. Schwartz, & Howard S. Tager. (1993). Implications of replacing peptide bonds in the COOH‐terminal B chain domain of insulin by the Ψ(CH₂‐NH) linker. International journal of peptide & protein research. 42(6). 578–584. 12 indexed citations

19.

Christensen, Ulla, et al.. (1992). Interaction between bovine trypsin and a synthetic peptide containing 28 residues of the bait region of human α₂‐macroglobulin. European Journal of Biochemistry. 209(1). 409–414. 2 indexed citations

20.

Hjorth, N, Kjeld Madsen, & Mette Nørgaard. (1986). Anthralin stick (Anthraderm) in the treatment of mosaic warts. Acta Dermato Venereologica. 66(2). 181–182. 1 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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