Nicholas van As

21.9k total citations · 1 hit paper
60 papers, 2.3k citations indexed

About

Nicholas van As is a scholar working on Pulmonary and Respiratory Medicine, Radiation and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, Nicholas van As has authored 60 papers receiving a total of 2.3k indexed citations (citations by other indexed papers that have themselves been cited), including 51 papers in Pulmonary and Respiratory Medicine, 32 papers in Radiation and 18 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in Nicholas van As's work include Prostate Cancer Diagnosis and Treatment (43 papers), Prostate Cancer Treatment and Research (34 papers) and Advanced Radiotherapy Techniques (32 papers). Nicholas van As is often cited by papers focused on Prostate Cancer Diagnosis and Treatment (43 papers), Prostate Cancer Treatment and Research (34 papers) and Advanced Radiotherapy Techniques (32 papers). Nicholas van As collaborates with scholars based in United Kingdom, United States and Canada. Nicholas van As's co-authors include Alison Tree, David P. Dearnaley, Vincent Khoo, Robert Huddart, Chris Parker, M. Hawkins, Peter Ostler, Rosalind A. Eeles, Daniel Henderson and Christopher M. Nutting and has published in prestigious journals such as SHILAP Revista de lepidopterología, American Journal of Clinical Nutrition and The Lancet Oncology.

In The Last Decade

Nicholas van As

58 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.

Stereotactic body radiotherapy for oligometastases

2012 374 citations Alison Tree, Vincent Khoo et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Nicholas van As United Kingdom	25	1.8k	857	841	507	300	60	2.3k
D. Jeffrey Demanes United States	25	1.5k 0.8×	1.3k 1.5×	465 0.6×	747 1.5×	260 0.9×	95	2.9k
Peter Ostler United Kingdom	20	1.7k 1.0×	1.1k 1.3×	387 0.5×	303 0.6×	236 0.8×	45	2.0k
Alison Tree United Kingdom	30	2.2k 1.3×	1.8k 2.0×	1.4k 1.7×	418 0.8×	475 1.6×	159	3.2k
Gregor Goldner Austria	24	1.1k 0.6×	979 1.1×	681 0.8×	361 0.7×	144 0.5×	65	1.8k
Marisa Kollmeier United States	38	3.6k 2.0×	2.0k 2.4×	794 0.9×	800 1.6×	416 1.4×	156	4.6k
Sergio Faria Canada	23	1.2k 0.7×	790 0.9×	522 0.6×	370 0.7×	215 0.7×	91	1.8k
Valérie Fonteyne Belgium	31	3.3k 1.9×	1.3k 1.5×	1.3k 1.5×	790 1.6×	579 1.9×	132	4.2k
Carl J. Rossi United States	17	2.0k 1.2×	1.4k 1.6×	343 0.4×	242 0.5×	124 0.4×	43	2.3k
Savino Cilla Italy	24	1.3k 0.7×	1.2k 1.4×	774 0.9×	523 1.0×	457 1.5×	235	2.2k
Francesco Deodato Italy	26	1.2k 0.7×	933 1.1×	634 0.8×	823 1.6×	836 2.8×	230	2.5k

Countries citing papers authored by Nicholas van As

Since Specialization

Citations

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

Fields of papers citing papers by Nicholas van As

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Nicholas van As

This figure shows the co-authorship network connecting the top 25 collaborators of Nicholas van As. A scholar is included among the top collaborators of Nicholas van As 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 van As. Nicholas van As 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

Albertsen, Peter C., Amar U. Kishan, Angela Pathmanathan, et al.. (2025). The contemporary management of prostate cancer. CA A Cancer Journal for Clinicians. 75(6). 552–586. 2 indexed citations

Benjamin, Philip, Julia Henderson, Karen Thomas, et al.. (2025). Dose-response modelling of stereotactic radiosurgery for brain metastases: Preliminary prospective data from the SAFER study (IRAS 276567). Radiotherapy and Oncology. 211. 111067–111067.

Suh, Yae‐Eun, Daniel Henderson, Kirsty Morrison, et al.. (2024). Simultaneous Focal Boost With Stereotactic Radiation Therapy for Localized Intermediate- to High-Risk Prostate Cancer: Primary Outcomes of the SPARC Phase 2 Trial. International Journal of Radiation Oncology*Biology*Physics. 120(1). 49–58. 10 indexed citations

Withey, Samuel J., Douglas Brand, Andrew Loblaw, et al.. (2024). Developing and validating a simple urethra surrogate model to facilitate dosimetric analysis to predict genitourinary toxicity. Clinical and Translational Radiation Oncology. 46. 100769–100769. 3 indexed citations

Sundahl, Nora, Douglas Brand, Chris Parker, et al.. (2024). Weekly ultra-hypofractionated radiotherapy in localised prostate cancer. Clinical and Translational Radiation Oncology. 47. 100800–100800. 2 indexed citations

Brand, Douglas, Sarah C. Brüningk, Anna Wilkins, et al.. (2023). Gastrointestinal Toxicity Prediction Not Influenced by Rectal Contour or Dose-Volume Histogram Definition. International Journal of Radiation Oncology*Biology*Physics. 117(5). 1163–1173. 1 indexed citations

Abdel‐Aty, Hassan, et al.. (2023). The quantitative impact of prostate-specific membrane antigen (PSMA) PET/CT staging in newly diagnosed metastatic prostate cancer and treatment-decision implications. BJR|Open. 6(1). tzae040–tzae040. 2 indexed citations

Tree, Alison & Nicholas van As. (2021). Single dose prostate radiotherapy — a step too far?. Nature Reviews Urology. 18(8). 445–446. 1 indexed citations

Brand, Douglas, Sarah C. Brüningk, Anna Wilkins, et al.. (2021). Estimates of Alpha/Beta (α/β) Ratios for Individual Late Rectal Toxicity Endpoints: An Analysis of the CHHiP Trial. International Journal of Radiation Oncology*Biology*Physics. 110(2). 596–608. 24 indexed citations

10.

Brand, Douglas, David P. Dearnaley, Rosalind A. Eeles, et al.. (2019). Patterns of recurrence after prostate bed radiotherapy. Radiotherapy and Oncology. 141. 174–180. 15 indexed citations

11.

Kothari, Gargi, Piet Ost, Patrick Cheung, et al.. (2019). Trends in Management of Oligometastatic Hormone-Sensitive Prostate Cancer. Current Oncology Reports. 21(5). 43–43. 9 indexed citations

12.

Wedlake, Linda, Clare Shaw, H. McNair, et al.. (2017). Randomized controlled trial of dietary fiber for the prevention of radiation-induced gastrointestinal toxicity during pelvic radiotherapy. American Journal of Clinical Nutrition. 106(3). 849–857. 52 indexed citations

13.

Kershaw, Lucy, Linda G.W. Kerkmeijer, C.A. Lawton, et al.. (2016). MRI-guided prostate adaptive radiotherapy – A systematic review. Radiotherapy and Oncology. 119(3). 371–380. 117 indexed citations

14.

Tree, Alison, Nicholas van As, & David P. Dearnaley. (2016). Re: Christopher J.D. Wallis, Refik Saskin, Richard Choo, et al. Surgery Versus Radiotherapy for Clinically-localized Prostate Cancer: A Systematic Review and Meta-analysis. Eur Urol 2016;70:21–30. European Urology. 70(1). e10–e10. 1 indexed citations

15.

Tree, Alison, Peter Hoskin, Pittaya Dankulchai, et al.. (2014). Prostate Stereotactic Body Radiotherapy — First UK Experience. Clinical Oncology. 26(12). 757–761. 27 indexed citations

16.

Corbett, Richard, et al.. (2014). Intensity modulated radiation therapy allows prostate and dose-escalated pelvic radical radiation therapy after renal transplantation. Practical Radiation Oncology. 5(3). e207–e213. 6 indexed citations

17.

Ahmed, Hashim U., Oğuz Akın, Jonathan Coleman, et al.. (2011). Transatlantic Consensus Group on active surveillance and focal therapy for prostate cancer. British Journal of Urology. 109(11). 1636–1647. 87 indexed citations

18.

Ng, Michael, Nicholas van As, Karen Thomas, et al.. (2009). Prostate‐specific antigen (PSA) kinetics in untreated, localized prostate cancer: PSA velocity vs PSA doubling time. British Journal of Urology. 103(7). 872–876. 48 indexed citations

19.

As, Nicholas van, Nandita M. de Souza, Sophie F. Riches, et al.. (2008). A Study of Diffusion-Weighted Magnetic Resonance Imaging in Men with Untreated Localised Prostate Cancer on Active Surveillance. European Urology. 56(6). 981–988. 128 indexed citations

20.

As, Nicholas van & Chris Parker. (2007). Active Surveillance With Selective Radical Treatment for Localized Prostate Cancer. The Cancer Journal. 13(5). 289–294. 38 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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