Derek Gillen

3.1k total citations · 1 hit paper
36 papers, 2.1k citations indexed

About

Derek Gillen is a scholar working on Surgery, Gastroenterology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Derek Gillen has authored 36 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Surgery, 19 papers in Gastroenterology and 8 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Derek Gillen's work include Helicobacter pylori-related gastroenterology studies (24 papers), Gastroesophageal reflux and treatments (19 papers) and Eosinophilic Esophagitis (13 papers). Derek Gillen is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (24 papers), Gastroesophageal reflux and treatments (19 papers) and Eosinophilic Esophagitis (13 papers). Derek Gillen collaborates with scholars based in United Kingdom, United States and Czechia. Derek Gillen's co-authors include Kenneth E.L. McColl, Emad El‐Omar, Angela A. Wirz, Craig Williams, Karin Oien, K E McColl, A El-Nujumi, A A Wirz, S Dahill and JE Ardill and has published in prestigious journals such as Gastroenterology, Neurology and Gut.

In The Last Decade

Derek Gillen

33 papers receiving 2.0k 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.

Helicobacter pylori infection and chronic gastric acid hyposecretion

1997 526 citations Emad El‐Omar, Karin Oien et al. Gastroenterology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Derek Gillen United Kingdom	22	1.7k	976	593	232	189	36	2.1k
I. Biemond Netherlands	24	1.0k 0.6×	642 0.7×	304 0.5×	269 1.2×	120 0.6×	92	1.8k
Rhonda A. Cole United States	22	864 0.5×	529 0.5×	335 0.6×	48 0.2×	42 0.2×	30	1.3k
Hideki Mori Japan	21	703 0.4×	399 0.4×	317 0.5×	94 0.4×	108 0.6×	85	1.3k
J B Elder United Kingdom	17	451 0.3×	208 0.2×	150 0.3×	81 0.3×	98 0.5×	41	1.1k
T Maekawa Japan	20	379 0.2×	129 0.1×	145 0.2×	156 0.7×	63 0.3×	87	1.2k
Irmtraut Koop Germany	21	713 0.4×	224 0.2×	103 0.2×	110 0.5×	110 0.6×	50	1.6k
P. C. Ganguli United Kingdom	17	431 0.2×	214 0.2×	120 0.2×	52 0.2×	82 0.4×	31	1.0k
G Lombardi Italy	20	576 0.3×	121 0.1×	397 0.7×	42 0.2×	97 0.5×	57	1.3k
Kristine Juul Hare Denmark	20	588 0.3×	107 0.1×	142 0.2×	60 0.3×	167 0.9×	40	1.4k
Takahisa Yamasaki Japan	22	824 0.5×	684 0.7×	343 0.6×	61 0.3×	89 0.5×	59	1.2k

Countries citing papers authored by Derek Gillen

Since Specialization

Citations

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

Fields of papers citing papers by Derek Gillen

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Derek Gillen

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Wirz, A A, et al.. (2008). Paradox of gastric cardia: it becomes more acidic following meals while the rest of stomach becomes less acidic. Gut. 58(7). 904–909. 34 indexed citations

Derakhshan, Mohammad H., Emad El‐Omar, Karin Oien, et al.. (2006). Gastric histology, serological markers and age as predictors of gastric acid secretion in patients infected with Helicobacter pylori. Journal of Clinical Pathology. 59(12). 1293–1299. 61 indexed citations

Gillen, Derek & Kenneth E.L. McColl. (2005). Gastroduodenal Disease, Helicobacter pylori, and Genetic Polymorphisms. Clinical Gastroenterology and Hepatology. 3(12). 1180–1186. 21 indexed citations

Gillen, Derek, Angela A. Wirz, & Kenneth E.L. McColl. (2004). Helicobacter pylori eradication releases prolonged increased acid secretion following omeprazole treatment☆. Gastroenterology. 126(4). 980–988. 49 indexed citations

Fletcher, Jonathan, Derek Gillen, Angela A. Wirz, & Kenneth E.L. McColl. (2003). Barrett's Esophagus Evokes A Quantitatively and Qualitatively Altered Response To Both Acid and Hypertonic Solutions. The American Journal of Gastroenterology. 98(7). 1480–1486. 28 indexed citations

Gillen, Derek & Kenneth E.L. McColl. (2001). Problems related to acid rebound and tachyphylaxis. Best Practice & Research Clinical Gastroenterology. 15(3). 487–495. 49 indexed citations

Gillen, Derek & Kenneth E.L. McColl. (2001). Problems Associated with the Clinical Use of Proton Pump Inhibitors. Pharmacology & Toxicology. 89(6). 281–286. 26 indexed citations

Mowat, Craig, Craig Williams, Derek Gillen, et al.. (2000). Omeprazole, Helicobacter pylori status, and alterations in the intragastric milieu facilitating bacterial N-nitrosation. Gastroenterology. 119(2). 339–347. 128 indexed citations

McColl, Kenneth E.L., Derek Gillen, & Emad El‐Omar. (2000). The role of gastrin in ulcer pathogenesis. Best Practice & Research Clinical Gastroenterology. 14(1). 13–26. 27 indexed citations

10.

McColl, Kenneth E.L., Emad El‐Omar, & Derek Gillen. (2000). HELICOBACTER PYLORI GASTRITIS AND GASTRIC PHYSIOLOGY. Gastroenterology Clinics of North America. 29(3). 687–703. 93 indexed citations

11.

Gillen, Derek, A A Wirz, W D Neithercut, J. Ardill, & K E McColl. (1999). Helicobacter pylori infection potentiates the inhibition of gastric acid secretion by omeprazole. Gut. 44(4). 468–475. 97 indexed citations

12.

Gillen, Derek, et al.. (1999). Dyspepsia on Withdrawal of Ranitidine in Previously Asymptomatic Volunteers(Fig. 1). The American Journal of Gastroenterology. 94(5). 1209–1213. 28 indexed citations

13.

Gillen, Derek & Kenneth E.L. McColl. (1999). Does Concern About Missing Malignancy Justify Endoscopy in Uncomplicated Dyspepsia in Patients Aged Less Than 55?. The American Journal of Gastroenterology. 94(1). 75–79. 47 indexed citations

14.

Gillen, Derek, Angela A. Wirz, Joy Ardill, & Kenneth E.L. McColl. (1999). Rebound hypersecretion after omeprazole and its relation to on-treatment acid suppression and Helicobacter pylori status. Gastroenterology. 116(2). 239–247. 137 indexed citations

15.

Gillen, Derek. (1999). Does concern about missing malignancy justify endoscopy in uncomplicated dyspepsia in patients aged less than 55?. The American Journal of Gastroenterology. 94(1). 75–79. 12 indexed citations

16.

McColl, Kenneth E.L., Emad El‐Omar, & Derek Gillen. (1998). Interactions between H. pylori infection, gastric acid secretion and anti-secretory therapy. British Medical Bulletin. 54(1). 121–138. 72 indexed citations

17.

Gillen, Derek, Emad El‐Omar, Angela A. Wirz, Joy Ardill, & Kenneth E.L. McColl. (1998). The acid response to gastrin distinguishes duodenal ulcer patients from Helicobacter pylori–infected healthy subjects. Gastroenterology. 114(1). 50–57. 82 indexed citations

18.

Gillen, Derek & Kenneth E.L. McColl. (1998). Reply. Gastroenterology. 115(2). 510–512. 1 indexed citations

19.

Dyck, P. James B., S J Peroutka, Elizabeth C. Burton, et al.. (1997). Intradermal recombinant human nerve growth factor induces pressure allodynia and lowered heat-pain threshold in humans. Neurology. 48(2). 501–505. 203 indexed citations

20.

El‐Omar, Emad, Karin Oien, A El-Nujumi, et al.. (1997). Helicobacter pylori infection and chronic gastric acid hyposecretion. Gastroenterology. 113(1). 15–24. 526 indexed citations breakdown →

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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