Kjeld Madsen

3.0k citations

23 papers · 2.4k indexed · 2 hit papers · h-index 14

Endocrinology, Diabetes and Metabolism top 0.5%
Molecular Biology top 5%
Surgery top 5%
Cellular and Molecular Neuroscience top 5%
Oncology top 10%

Co-authors: Lotte Bjerre Knudsen Henning Thøgersen Nils L. Johansen Jesper Lau Michael Wilken Per F. Nielsen S. Runge Henrik Agersø
Topics: Neuropeptides and Animal Physiology (12 papers)Diabetes Treatment and Management (9 papers)Receptor Mechanisms and Signaling (8 papers)
Cited by: Endocrinology, Diabetes and Metabolism Cellular and Molecular Neuroscience Molecular Biology
Journals: Journal of Biological Chemistry Biochemistry Journal of Medicinal Chemistry
Partner nations: Denmark Spain Germany

In The Last Decade

Kjeld Madsen

22 papers receiving 2.3k 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.

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

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

#	Work	Indexed citations
1	Discovery of the Once-Weekly Glucagon-Like Peptide-1 (GLP-1) Analogue Semaglutidebreakdown → 2015 ·Journal of Medicinal Chemistry ·Jesper Lau,(unknown),Lauge Schäffer,Ingrid Pettersson,Jane C. Spetzler,Jacob Kofoed,Kjeld Madsen,Lotte Bjerre Knudsen,J. H. McGuire,Dorte B. Steensgaard,Holger M. Strauss,Dorte X. Gram,Sanne Møller Knudsen,F. S. Nielsen,Peter Thygesen,Steffen Reedtz‐Runge,Thomas Kruse	736
2	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 2013 ·Regulatory Peptides ·Lene Simonsen,Jens J. Holst,Kjeld Madsen,Carolyn F. Deacon	21
3	Crystal Structure of the Ligand-bound Glucagon-like Peptide-1 Receptor Extracellular Domain 2008 ·Journal of Biological Chemistry ·S. Runge,Henning Thøgersen,Kjeld Madsen,Jesper Lau,Rainer Rudolph	244
4	C-Terminally PEGylated hGH-derivatives 2007 ·Bioorganic & Medicinal Chemistry ·Bernd Peschke,Magali Zundel,(unknown),Trine Ryberg Clausen,Niels Blume,Anja Pedersen,Florencio Zaragoza,Kjeld Madsen	22
5	Structure−Activity and Protraction Relationship of Long-Acting Glucagon-like Peptide-1 Derivatives: Importance of Fatty Acid Length, Polarity, and Bulkiness 2007 ·Journal of Medicinal Chemistry ·Kjeld Madsen,Lotte Bjerre Knudsen,(unknown),Per F. Nielsen,Henning Thøgersen,Michael Wilken,Nils L. Johansen	198
6	Different domains of the glucagon and glucagon‐like peptide‐1 receptors provide the critical determinants of ligand selectivity 2003 ·British Journal of Pharmacology ·S. Runge,Birgitte S. Wulff,Kjeld Madsen,Hans Bräuner‐Osborne,Lotte Bjerre Knudsen	101
7	Three Distinct Epitopes on the Extracellular Face of the Glucagon Receptor Determine Specificity for the Glucagon Amino Terminus 2003 ·Journal of Biological Chemistry ·S. Runge,(unknown),Hans Bräuner‐Osborne,Kjeld Madsen,Lotte Bjerre Knudsen,Birgitte S. Wulff	60
8	[ 3 H]ac-RYYRWK-NH 2 , a novel specific radioligand for the nociceptin/orphanin FQ receptor 2000 ·Naunyn-Schmiedeberg s Archives of Pharmacology ·Christian Thomsen,(unknown),(unknown),Joel Martin,Christian Foged,Nils L. Johansen,Uffe Bang Olsen,Kjeld Madsen	19
9	Potent Derivatives of Glucagon-like Peptide-1 with Pharmacokinetic Properties Suitable for Once Daily Administrationbreakdown → 2000 ·Journal of Medicinal Chemistry ·Lotte Bjerre Knudsen,Per F. Nielsen,Per Olaf Huusfeldt,Nils L. Johansen,Kjeld Madsen,(unknown),Henning Thøgersen,Michael Wilken,Henrik Agersø	579
10	Dipeptidyl peptidase IV resistant analogues of glucagon-like peptide-1 which have extended metabolic stability and improved biological activity 1998 ·Diabetologia ·Carolyn F. Deacon,Lotte Bjerre Knudsen,Kjeld Madsen,Finn C. Wiberg,O. Jacobsen,Jens J. Holst	247
11	A New Series of Highly Potent Growth Hormone-Releasing Peptides Derived from Ipamorelin 1998 ·Journal of Medicinal Chemistry ·Michael Ankersen,Nils L. Johansen,Kjeld Madsen,Birgit Sehested Hansen,Kirsten Raun,Karin Kramer Nielsen,Henning Thøgersen,Thomas K. Hansen,Bernd Peschke,Jesper Lau,Behrend F. Lundt,Peter H. Andersen	27
12	Novel Orally Active Growth Hormone Secretagogues 1998 ·Journal of Medicinal Chemistry ·Thomas K. Hansen,Michael Ankersen,Birgit Sehested Hansen,Kirsten Raun,Karin Kramer Nielsen,Jesper Lau,Bernd Peschke,Behrend F. Lundt,Henning Thøgersen,Nils L. Johansen,Kjeld Madsen,Peter H. Andersen	30
13	Aminomethylthiophene-2-carboxylic acids as dipeptide mimetic in new growth hormone secretagogues 1997 ·Bioorganic & Medicinal Chemistry Letters ·Bernd Peschke,Kjeld Madsen,Birgit Sehested Hansen,Nils L. Johansen	8
14	Ketomethylene and (Cyanomethylene)amino Pseudopeptide Analogs of the C-Terminal Hexapeptide of Neurotensin 1995 ·Journal of Medicinal Chemistry ·Rosario González‐Muñiz,Manuela G. López,Isabel Gómez‐Monterrey,Rosario Herranz,M. Luísa Jimeno,Ma Luisa Suárez‐Gea,Nils L. Johansen,Kjeld Madsen,Henning Thøgersen,Peter D. Suzdak	15
15	Constrained C-terminal hexapeptide neurotensin analogues containing a 3-oxoindolizidine skeleton 1995 ·Letters in Peptide Science ·(unknown),Ibón Alkorta,(unknown),(unknown),Rosario Herranz,Nils L. Johansen,Kjeld Madsen,(unknown),Peter D. Suzdak	3
16	Important Role of C‐Terminal Peptide Bonds for Endothelin Receptor Binding and Activity 1993 ·Pharmacology & Toxicology ·Uffe Bang Olsen,Ján Weis,Peter D. Suzdak,(unknown),Kjeld Madsen,Henning Thøgersen,Nils L. Johansen	1
17	Implications of replacing peptide bonds in the COOH‐terminal B chain domain of insulin by the Ψ(CH₂‐NH) linker 1993 ·International journal of peptide & protein research ·Satoe H. Nakagawa,Nils L. Johansen,Kjeld Madsen,Thue W. Schwartz,Howard S. Tager	12
18	Solid phase synthesis of ψ[CH(CN)NH] pseudopeptides. Application to the synthesis of analogues of neurotensin [NT(8–13)]. 1993 ·Tetrahedron Letters ·Rosario Herranz,Ma Luisa Suárez‐Gea,(unknown),Rosario González‐Muñiz,Nils L. Johansen,Kjeld Madsen,Henning Thøgersen,Peter D. Suzdak	4
19	Interaction between bovine trypsin and a synthetic peptide containing 28 residues of the bait region of human α₂‐macroglobulin 1992 ·European Journal of Biochemistry ·(unknown),Ulla Christensen,Kjeld Madsen,Lars Sottrup‐Jensen	2
20	Anthralin stick (Anthraderm) in the treatment of mosaic warts 1986 ·Acta Dermato Venereologica ·N Hjorth,Kjeld Madsen,Mette Nørgaard	1

About Kjeld Madsen

Kjeld Madsen is a scholar working on Endocrinology, Diabetes and Metabolism, Cellular and Molecular Neuroscience and Endocrine and Autonomic Systems, having authored 23 papers that have together received 2.4k indexed citations. Recurring topics across this work include Neuropeptides and Animal Physiology (12 papers), Diabetes Treatment and Management (9 papers) and Receptor Mechanisms and Signaling (8 papers). The work is most often cited by research in Endocrinology, Diabetes and Metabolism (1.5k citations), Cellular and Molecular Neuroscience (619 citations) and Molecular Biology (1.5k citations). Kjeld Madsen has collaborated with scholars based in Denmark, Spain and Germany. Frequent co-authors include Lotte Bjerre Knudsen, Henning Thøgersen, Nils L. Johansen, Jesper Lau, Michael Wilken, Per F. Nielsen, S. Runge, Henrik Agersø, Per Olaf Huusfeldt and Rainer Rudolph. Their work appears in journals such as Journal of Biological Chemistry, Biochemistry and Journal of Medicinal Chemistry.

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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