Chieh‐Chang Chen

5.0k total citations · 3 hit papers
81 papers, 2.2k citations indexed

About

Chieh‐Chang Chen is a scholar working on Surgery, Pulmonary and Respiratory Medicine and Epidemiology. According to data from OpenAlex, Chieh‐Chang Chen has authored 81 papers receiving a total of 2.2k indexed citations (citations by other indexed papers that have themselves been cited), including 45 papers in Surgery, 21 papers in Pulmonary and Respiratory Medicine and 20 papers in Epidemiology. Recurrent topics in Chieh‐Chang Chen's work include Helicobacter pylori-related gastroenterology studies (24 papers), Gastroesophageal reflux and treatments (12 papers) and Gastric Cancer Management and Outcomes (12 papers). Chieh‐Chang Chen is often cited by papers focused on Helicobacter pylori-related gastroenterology studies (24 papers), Gastroesophageal reflux and treatments (12 papers) and Gastric Cancer Management and Outcomes (12 papers). Chieh‐Chang Chen collaborates with scholars based in Taiwan, United States and Australia. Chieh‐Chang Chen's co-authors include Ming‐Shiang Wu, Jyh‐Ming Liou, Chin‐Hsien Lin, Mei‐Jyh Chen, Yi‐Chia Lee, Chih‐Min Chang, Tzu‐Pin Lu, Eric Y. Chuang, Yao‐Chun Hsu and Han‐Yi Lin and has published in prestigious journals such as The Lancet, SHILAP Revista de lepidopterología and Annals of Internal Medicine.

In The Last Decade

Chieh‐Chang Chen

72 papers receiving 2.1k citations

Hit Papers

Altered gut microbiota and inflammatory cytokine response... 2019 2026 2021 2023 2019 2021 2023 100 200 300
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. Altered gut microbiota and inflammatory cytokine responses in patients with Parkinson’s disease
    2019 346 citations Chin‐Hsien Lin, Chieh‐Chang Chen et al. profile →
  2. The interplay between Helicobacter pylori and gastrointestinal microbiota
    2021 138 citations Chieh‐Chang Chen, Jyh‐Ming Liou et al. Gut Microbes profile →
  3. Primary antibiotic resistance of Helicobacter pylori in the Asia-Pacific region between 1990 and 2022: an updated systematic review and meta-analysis
    2023 63 citations Tzu‐Chan Hong, Emad El‐Omar et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Chieh‐Chang Chen Taiwan 24 949 600 419 391 363 81 2.2k
Hasan Özen Türkiye 26 621 0.7× 332 0.6× 256 0.6× 367 0.9× 511 1.4× 201 2.3k
Maurizio Gabrielli Italy 32 1.5k 1.5× 877 1.5× 363 0.9× 1.4k 3.5× 535 1.5× 145 3.7k
David C. Twedt United States 32 1.1k 1.1× 206 0.3× 762 1.8× 217 0.6× 421 1.2× 122 2.8k
Rossella Cianci Italy 30 1.2k 1.3× 633 1.1× 375 0.9× 812 2.1× 352 1.0× 156 2.8k
Edward V. O’Loughlin Australia 29 621 0.7× 447 0.7× 468 1.1× 233 0.6× 177 0.5× 105 2.5k
Tarkan Karakan Türkiye 27 630 0.7× 620 1.0× 320 0.8× 309 0.8× 553 1.5× 101 2.3k
Massimo Montalto Italy 30 1.0k 1.1× 1.1k 1.8× 235 0.6× 752 1.9× 1.4k 3.7× 107 3.6k
Keng‐Liang Wu Taiwan 24 957 1.0× 134 0.2× 403 1.0× 522 1.3× 124 0.3× 87 1.8k
Masaya Sasaki Japan 27 771 0.8× 576 1.0× 164 0.4× 388 1.0× 621 1.7× 126 2.7k
Sonny K. F. Chong United States 26 1.5k 1.6× 134 0.2× 304 0.7× 581 1.5× 408 1.1× 76 2.4k

Countries citing papers authored by Chieh‐Chang Chen

Since Specialization
Citations

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

Fields of papers citing papers by Chieh‐Chang Chen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Chieh‐Chang Chen. 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 Chieh‐Chang Chen. The network helps show where Chieh‐Chang Chen may publish in the future.

Co-authorship network of co-authors of Chieh‐Chang Chen

This figure shows the co-authorship network connecting the top 25 collaborators of Chieh‐Chang Chen. A scholar is included among the top collaborators of Chieh‐Chang Chen 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 Chieh‐Chang Chen. Chieh‐Chang Chen 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.
2.
Wang, Hsiu–Po, et al.. (2025). Salvage Endoscopic Management for Basket Impaction Using Cholangioscopy and Electrohydraulic Lithotripsy. Journal of Gastroenterology and Hepatology. 40(7). 1656–1658.
3.
Chen, Chieh‐Chang, Ai Huey Tan, Shen‐Yang Lim, et al.. (2025). Investigating Plasma Metabolomics and Gut Microbiota Changes Associated With Parkinson Disease. Neurology. 104(10). e213592–e213592. 1 indexed citations
4.
Chen, Chieh‐Chang, Yu‐Ting Kuo, Ming‐Lun Han, et al.. (2024). Clinical outcomes of different types of metallic stents in malignant distal duodenum stenosis: A retrospective study. Journal of the Formosan Medical Association. 123(8). 854–859.
5.
6.
Tseng, Cheng‐Hao, Li‐Chun Chang, Jia‐Ling Wu, et al.. (2024). Bleeding Risk of Cold Versus Hot Snare Polypectomy for Pedunculated Colorectal Polyps Measuring 10 mm or Less: Subgroup Analysis of a Large Randomized Controlled Trial. The American Journal of Gastroenterology. 119(11). 2233–2240. 1 indexed citations
7.
Wang, Hsiu‐Po, Yu‐Wen Tien, Wei‐Shan Chin, et al.. (2024). Evaluation of Malignancy Risk of Ampullary Tumors Detected by Endoscopy Using 2-[18F]FDG PET/CT. Korean Journal of Radiology. 25(3). 243–243.
8.
Hsu, Yao‐Chun, Chi-Yi Chen, Cheng‐Hao Tseng, et al.. (2024). Antiviral therapy for chronic hepatitis B with mildly elevated aminotransferase: A rollover study from the TORCH-B trial. Clinical and Molecular Hepatology. 31(1). 213–226.
9.
Chang, Li‐Chun, Chi‐Yang Chang, Chi-Yi Chen, et al.. (2023). Cold Versus Hot Snare Polypectomy for Small Colorectal Polyps. Annals of Internal Medicine. 176(3). 311–319. 31 indexed citations
10.
Chen, Szu‐Ju, Yujun Wu, Chieh‐Chang Chen, et al.. (2023). Plasma metabolites of aromatic amino acids associate with clinical severity and gut microbiota of Parkinson’s disease. npj Parkinson s Disease. 9(1). 165–165. 12 indexed citations
11.
Chung, Chen‐Shuan, Chieh‐Chang Chen, Kuan‐Chih Chen, et al.. (2022). Randomized controlled trial of early endoscopy for upper gastrointestinal bleeding in acute coronary syndrome patients. Scientific Reports. 12(1). 5798–5798. 3 indexed citations
12.
Chiang, Tsung‐Hsien, Chieh‐Chang Chen, Ping‐Huei Tseng, et al.. (2021). Bismuth salts with versus without acid suppression for Helicobacter pylori infection: A transmission electron microscope study. Helicobacter. 26(3). e12801–e12801. 10 indexed citations
13.
Chen, Chieh‐Chang, Jyh‐Ming Liou, Yi‐Chia Lee, et al.. (2021). The interplay between Helicobacter pylori and gastrointestinal microbiota. Gut Microbes. 13(1). 1–22. 138 indexed citations breakdown →
14.
15.
Chong, Chun Wie, Shen‐Yang Lim, Jeff S. Bowman, et al.. (2021). Gut microbiome in Parkinson's disease: New insights from meta-analysis. Parkinsonism & Related Disorders. 94. 1–9. 97 indexed citations
16.
Chen, Chieh‐Chang, et al.. (2019). From germ theory to germ therapy. The Kaohsiung Journal of Medical Sciences. 35(2). 73–82. 6 indexed citations
17.
Hsu, Shih–Jer, Yu‐Jen Fang, Tsung‐Hua Yang, et al.. (2019). Real-world effectiveness and safety of glecaprevir/pibrentasvir in Asian patients with chronic hepatitis C. Journal of the Formosan Medical Association. 118(8). 1187–1192. 16 indexed citations
18.
Chen, Chieh‐Chang, et al.. (2018). Optimization of fecal sample processing for microbiome study — The journey from bathroom to bench. Journal of the Formosan Medical Association. 118(2). 545–555. 113 indexed citations
19.
Chen, Chieh‐Chang, et al.. (2008). Gastrointestinal: Dissecting esophageal hematoma with a Mallory‐Weiss tear. Journal of Gastroenterology and Hepatology. 23(12). 1943–1943. 1 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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