John O. Clarke

7.2k total citations · 1 hit paper
176 papers, 4.3k citations indexed

About

John O. Clarke is a scholar working on Surgery, Gastroenterology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, John O. Clarke has authored 176 papers receiving a total of 4.3k indexed citations (citations by other indexed papers that have themselves been cited), including 125 papers in Surgery, 124 papers in Gastroenterology and 28 papers in Pulmonary and Respiratory Medicine. Recurrent topics in John O. Clarke's work include Gastroesophageal reflux and treatments (85 papers), Eosinophilic Esophagitis (54 papers) and Esophageal and GI Pathology (50 papers). John O. Clarke is often cited by papers focused on Gastroesophageal reflux and treatments (85 papers), Eosinophilic Esophagitis (54 papers) and Esophageal and GI Pathology (50 papers). John O. Clarke collaborates with scholars based in United States, Italy and United Kingdom. John O. Clarke's co-authors include John E. Pandolfino, Peter J. Kahrilas, Sudip Kumar Ghosh, Monika A. Kwiatek, John P. Rice, Gerard E. Mullin, Pankaj J. Pasricha, Ellen M. Stein, Anthony N. Kalloo and George Triadafilopoulos and has published in prestigious journals such as SHILAP Revista de lepidopterología, Gastroenterology and Journal of the American College of Cardiology.

In The Last Decade

John O. Clarke

166 papers receiving 4.2k citations

Hit Papers

2023 ACC Expert Consensus Decision Pathway on Comprehensi... 2023 2026 2024 2025 2023 50 100 150 200
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.

  1. 2023 ACC Expert Consensus Decision Pathway on Comprehensive Multidisciplinary Care for the Patient With Cardiac Amyloidosis
    2023 215 citations John O. Clarke, Vaishali Sanchorawala et al. profile →

Peers

John O. Clarke
Jukka Ronkainen Sweden
L. Benini Italy
Jean‐Marc Sabaté France
Bernard A. Nemchausky United States
Wolfgang H. Schraut United States
Steve Eubanks United States
Italo Vantini Italy
Nelson Adami Andreollo Brazil
Nicola Basso Italy
Shriram Jakate United States
Jukka Ronkainen Sweden
John O. Clarke
Citations per year, relative to John O. Clarke John O. Clarke (= 1×) peers Jukka Ronkainen

Countries citing papers authored by John O. Clarke

Since Specialization
Citations

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

Fields of papers citing papers by John O. Clarke

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John O. Clarke. 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 John O. Clarke. The network helps show where John O. Clarke may publish in the future.

Co-authorship network of co-authors of John O. Clarke

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

All Works

20 of 20 papers shown
1.
Chinn, Justine, et al.. (2025). Mild to moderate GERD before sleeve: Can we better predict post-operative GERD?. Surgical Endoscopy. 39(10). 6934–6942.
2.
Muchtar, Eli, Fabian aus dem Siepen, Márcia Waddington‐Cruz, et al.. (2025). Supportive care for systemic amyloidosis: International Society of Amyloidosis (ISA) expert panel guidelines. Amyloid. 32(2). 93–116. 1 indexed citations
3.
Kamal, A. N., et al.. (2024). Knowledge of Patients’ Activation Level Changes Expert US Physicians’ Communication in GERD Management. Journal of Clinical Gastroenterology. 59(6). 524–530.
4.
Kamal, A. N., Jonathan M. Bock, John O. Clarke, et al.. (2022). Best Practices in Treatment of Laryngopharyngeal Reflux Disease: A Multidisciplinary Modified Delphi Study. Digestive Diseases and Sciences. 68(4). 1125–1138. 8 indexed citations
5.
Clarke, John O., et al.. (2021). Proton Pump Inhibitors (PPI). StatPearls. 12 indexed citations
6.
Savarino, Edoardo, Massimiliano di Pietro, Albert J. Bredenoord, et al.. (2020). Use of the Functional Lumen Imaging Probe in Clinical Esophagology. The American Journal of Gastroenterology. 115(11). 1786–1796. 87 indexed citations
7.
Zikos, Thomas & John O. Clarke. (2020). Non-acid Reflux: When It Matters and Approach to Management. Current Gastroenterology Reports. 22(9). 43–43. 17 indexed citations
8.
Zikos, Thomas, George Triadafilopoulos, A. N. Kamal, et al.. (2020). Baseline impedance via manometry and ambulatory reflux testing are not equivalent when utilized in the evaluation of potential extra-esophageal gastroesophageal reflux disease. Journal of Thoracic Disease. 12(10). 5628–5638. 4 indexed citations
9.
Nguyen, Linda Anh B., Laura Wilson, Laura Miriel, et al.. (2020). Autonomic function in gastroparesis and chronic unexplained nausea and vomiting: Relationship with etiology, gastric emptying, and symptom severity. Neurogastroenterology & Motility. 32(8). e13810–e13810. 47 indexed citations
10.
Zikos, Thomas, et al.. (2019). Esophagogastroduodenoscopy and Esophageal Involvement in Patients with Pemphigus Vulgaris. Dysphagia. 35(3). 503–508. 1 indexed citations
11.
Parkman, Henry P., Emily P. Sharkey, Linda Anh B. Nguyen, et al.. (2019). Marijuana Use in Patients with Symptoms of Gastroparesis: Prevalence, Patient Characteristics, and Perceived Benefit. Digestive Diseases and Sciences. 65(8). 2311–2320. 18 indexed citations
12.
Zikos, Thomas, et al.. (2019). Reduction in Hospitalizations for Esophageal Reflux in a Decade with Minimal Increases in Other Functional and Motor Disorders. Digestive Diseases and Sciences. 65(6). 1661–1668. 1 indexed citations
13.
Nandwani, Monica & John O. Clarke. (2018). Incorporating Advanced Practice Providers Into Gastroenterology Practice. Clinical Gastroenterology and Hepatology. 17(3). 365–369. 8 indexed citations
14.
Triadafilopoulos, George, Thomas Zikos, Nielsen Fernandez‐Becker, et al.. (2018). Use of Esophageal pH Monitoring to Minimize Proton-Pump Inhibitor Utilization in Patients with Gastroesophageal Reflux Symptoms. Digestive Diseases and Sciences. 63(10). 2673–2680. 4 indexed citations
15.
Ahuja, Nitin K. & John O. Clarke. (2017). The Role of Impedance Planimetry in the Evaluation of Esophageal Disorders. Current Gastroenterology Reports. 19(2). 7–7. 14 indexed citations
16.
Ngamruengphong, Saowanee, Burkhard H.A. von Rahden, Jörg Filser, et al.. (2015). Intraoperative measurement of esophagogastric junction cross-sectional area by impedance planimetry correlates with clinical outcomes of peroral endoscopic myotomy for achalasia: a multicenter study. Surgical Endoscopy. 30(7). 2886–2894. 67 indexed citations
17.
Jodorkovsky, Daniela, Jennifer C. Price, Brian Kim, et al.. (2014). Multichannel Intraluminal Impedance–pH Testing Is Clinically Useful in the Management of Patients with Gastroesophageal Reflux Symptoms. Digestive Diseases and Sciences. 59(8). 1817–1822. 5 indexed citations
18.
Khashab, Mouen A., Payal Saxena, Vivek Kumbhari, et al.. (2013). Peroral endoscopic myotomy as a platform for the treatment of spastic esophageal disorders refractory to medical therapy (with video). Gastrointestinal Endoscopy. 79(1). 136–139. 33 indexed citations
19.
Mullin, Gerard E. & John O. Clarke. (2010). Role of Complementary and Alternative Medicine in Managing Gastrointestinal Motility Disorders. Nutrition in Clinical Practice. 25(1). 85–87. 7 indexed citations
20.

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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2026