Nicholas A. Ullman

425 total citations · 1 hit paper
10 papers, 196 citations indexed

About

Nicholas A. Ullman is a scholar working on Oncology, Surgery and Cellular and Molecular Neuroscience. According to data from OpenAlex, Nicholas A. Ullman has authored 10 papers receiving a total of 196 indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Oncology, 4 papers in Surgery and 2 papers in Cellular and Molecular Neuroscience. Recurrent topics in Nicholas A. Ullman's work include Pancreatic and Hepatic Oncology Research (4 papers), Cholangiocarcinoma and Gallbladder Cancer Studies (2 papers) and Axon Guidance and Neuronal Signaling (2 papers). Nicholas A. Ullman is often cited by papers focused on Pancreatic and Hepatic Oncology Research (4 papers), Cholangiocarcinoma and Gallbladder Cancer Studies (2 papers) and Axon Guidance and Neuronal Signaling (2 papers). Nicholas A. Ullman collaborates with scholars based in United States. Nicholas A. Ullman's co-authors include David C. Linehan, Richard F. Dunne, Paul R. Burchard, Luis I. Ruffolo, Brian A. Belt, Bhaveen H. Kapadia, Jason Zittel, John A. Zebala, Aditya V. Maheshwari and Andrew Yang and has published in prestigious journals such as Journal of Clinical Oncology, International Journal of Radiation Oncology*Biology*Physics and Journal of the American College of Surgeons.

In The Last Decade

Nicholas A. Ullman

10 papers receiving 195 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.

Immunologic Strategies in Pancreatic Cancer: Making Cold Tumors Hot

2022 161 citations Nicholas A. Ullman, Paul R. Burchard et al. Journal of Clinical Oncology profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Nicholas A. Ullman United States	5	135	72	35	33	28	10	196
Xunbin Yu China	6	144 1.1×	129 1.8×	78 2.2×	47 1.4×	29 1.0×	16	281
Anning Zuo China	8	100 0.7×	78 1.1×	61 1.7×	30 0.9×	11 0.4×	23	216
Vanessa Klapp United States	6	111 0.8×	103 1.4×	76 2.2×	30 0.9×	8 0.3×	13	219
Athanasios Tampakis Switzerland	10	107 0.8×	39 0.5×	65 1.9×	36 1.1×	52 1.9×	26	224
Gustav Jonsson Austria	6	159 1.2×	158 2.2×	60 1.7×	24 0.7×	13 0.5×	10	268
Ye’ela Scharff Israel	5	103 0.8×	109 1.5×	73 2.1×	39 1.2×	10 0.4×	8	217
Yueyao Yang China	4	144 1.1×	134 1.9×	87 2.5×	21 0.6×	13 0.5×	10	270
Mitsuhiro Komura Japan	7	91 0.7×	119 1.7×	66 1.9×	34 1.0×	7 0.3×	9	208
Qianwen Zeng China	5	45 0.3×	48 0.7×	44 1.3×	13 0.4×	35 1.3×	11	179
Shona Ritchie Australia	4	69 0.5×	40 0.6×	83 2.4×	35 1.1×	12 0.4×	6	188

Countries citing papers authored by Nicholas A. Ullman

Since Specialization

Citations

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

Fields of papers citing papers by Nicholas A. Ullman

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Nicholas A. Ullman. 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 Nicholas A. Ullman. The network helps show where Nicholas A. Ullman may publish in the future.

Co-authorship network of co-authors of Nicholas A. Ullman

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

All Works

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10 of 10 papers shown

Alexander, W. Brock, Wenjia Wang, Margaret Hill, et al.. (2024). Smad4 restricts injury-provoked biliary proliferation and carcinogenesis. Disease Models & Mechanisms. 17(6). 5 indexed citations

Ullman, Nicholas A., Paul R. Burchard, Richard F. Dunne, & David C. Linehan. (2022). Immunologic Strategies in Pancreatic Cancer: Making Cold Tumors Hot. Journal of Clinical Oncology. 40(24). 2789–2805. 161 indexed citations breakdown →

Ullman, Nicholas A., Fergal J. Fleming, Bradley N. Mills, et al.. (2022). Radiation Therapy Exacerbates Tumor-Promoting Innervation and Nerve Signaling in Rectal Cancer. International Journal of Radiation Oncology*Biology*Physics. 115(3). 733–745. 4 indexed citations

Burchard, Paul R., Nicholas A. Ullman, Subir Goyal, et al.. (2022). The impact of CA 19-9 on survival in patients with clinical stage I pancreatic cancer.. Journal of Clinical Oncology. 40(4_suppl). 606–606. 1 indexed citations

Dunne, Richard F., Nicholas A. Ullman, Brian A. Belt, et al.. (2022). A phase I study to evaluate the safety and tolerability of SX-682 in combination with PD-1 inhibitor as maintenance therapy for unresectable pancreatic adenocarcinoma.. Journal of Clinical Oncology. 40(4_suppl). TPS631–TPS631. 8 indexed citations

Ruffolo, Luis I., Nicholas A. Ullman, Katherine M. Jackson, et al.. (2021). Semaphorin 4D Blockade Enhances T-Cell Penetration and Potentiates Response to Immune Checkpoint Blockade in a Murine Model of Pancreatic Cancer. Journal of the American College of Surgeons. 233(5). S252–S253. 2 indexed citations

Ullman, Nicholas A., Luis I. Ruffolo, Katherine M. Jackson, et al.. (2020). Association of CXCR2+ granulocytic myeloid derived suppressor cells with the development of cholangiocarcinoma: A possible target for intervention.. Journal of Clinical Oncology. 38(4_suppl). 565–565. 1 indexed citations

Ullman, Nicholas A., Luis I. Ruffolo, Katherine M. Jackson, et al.. (2020). CXCR1/2 blockade to enhance response to immune checkpoint inhibition in an aggressive orthotopic pancreatic adenocarcinoma model.. Journal of Clinical Oncology. 38(5_suppl). 19–19. 3 indexed citations

Ruffolo, Luis I., Nicholas A. Ullman, Katherine M. Jackson, et al.. (2020). Antibody blockade of semaphorin 4D to sensitize pancreatic cancer to immune checkpoint blockade.. Journal of Clinical Oncology. 38(5_suppl). 26–26. 2 indexed citations

10.

Kapadia, Bhaveen H., Nicholas A. Ullman, Andrew Yang, et al.. (2019). Reducing perioperative blood loss with antifibrinolytics and antifibrinolytic-like agents for patients undergoing total hip and total knee arthroplasty. Journal of Orthopaedics. 16(6). 513–516. 9 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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