Babak Choodari‐Oskooei

1.6k total citations · 1 hit paper
32 papers, 849 citations indexed

About

Babak Choodari‐Oskooei is a scholar working on Statistics and Probability, Economics and Econometrics and Management Science and Operations Research. According to data from OpenAlex, Babak Choodari‐Oskooei has authored 32 papers receiving a total of 849 indexed citations (citations by other indexed papers that have themselves been cited), including 27 papers in Statistics and Probability, 16 papers in Economics and Econometrics and 8 papers in Management Science and Operations Research. Recurrent topics in Babak Choodari‐Oskooei's work include Statistical Methods in Clinical Trials (23 papers), Health Systems, Economic Evaluations, Quality of Life (16 papers) and Advanced Causal Inference Techniques (9 papers). Babak Choodari‐Oskooei is often cited by papers focused on Statistical Methods in Clinical Trials (23 papers), Health Systems, Economic Evaluations, Quality of Life (16 papers) and Advanced Causal Inference Techniques (9 papers). Babak Choodari‐Oskooei collaborates with scholars based in United Kingdom, France and United States. Babak Choodari‐Oskooei's co-authors include Mahesh Parmar, Patrick Royston, Matthew R. Sydes, Laura Flight, Munyaradzi Dimairo, Philip Pallmann, Thomas Jaki, Christina Yap, Sofía S. Villar and Adrian Mander and has published in prestigious journals such as Annals of Oncology, Thorax and Statistics in Medicine.

In The Last Decade

Babak Choodari‐Oskooei

29 papers receiving 832 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.

Adaptive designs in clinical trials: why use them, and how to run and report them

2018 415 citations Philip Pallmann, Alun Bedding et al. BMC Medicine profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Babak Choodari‐Oskooei United Kingdom	13	360	216	118	96	74	32	849
Graham Wheeler United Kingdom	10	278 0.8×	164 0.8×	80 0.7×	109 1.1×	84 1.1×	31	847
Lisa V. Hampson United Kingdom	13	469 1.3×	298 1.4×	119 1.0×	139 1.4×	73 1.0×	43	1.0k
Lang’o Odondi United Kingdom	9	199 0.6×	131 0.6×	69 0.6×	59 0.6×	34 0.5×	11	573
Ariel Alonso Belgium	18	676 1.9×	313 1.4×	79 0.7×	130 1.4×	84 1.1×	85	1.1k
Satrajit Roychoudhury United States	15	772 2.1×	283 1.3×	110 0.9×	183 1.9×	47 0.6×	38	1.1k
Jonathan Denne United States	15	401 1.1×	91 0.4×	57 0.5×	149 1.6×	63 0.9×	30	1.3k
Didier Renard Belgium	21	633 1.8×	336 1.6×	95 0.8×	98 1.0×	310 4.2×	42	1.7k
Amr Makady Netherlands	12	232 0.6×	643 3.0×	76 0.6×	16 0.2×	70 0.9×	27	1.2k
Perrine Janiaud United States	15	85 0.2×	153 0.7×	170 1.4×	21 0.2×	67 0.9×	46	960
Spencer Phillips Hey United States	21	282 0.8×	479 2.2×	99 0.8×	23 0.2×	124 1.7×	68	1.5k

Countries citing papers authored by Babak Choodari‐Oskooei

Since Specialization

Citations

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

Fields of papers citing papers by Babak Choodari‐Oskooei

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Babak Choodari‐Oskooei. 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 Babak Choodari‐Oskooei. The network helps show where Babak Choodari‐Oskooei may publish in the future.

Co-authorship network of co-authors of Babak Choodari‐Oskooei

This figure shows the co-authorship network connecting the top 25 collaborators of Babak Choodari‐Oskooei. A scholar is included among the top collaborators of Babak Choodari‐Oskooei 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 Babak Choodari‐Oskooei. Babak Choodari‐Oskooei 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

Frangou, Eleni, Grant D. Stewart, Ian D. Davis, et al.. (2025). LBA93 First results from RAMPART: An international phase III randomised-controlled trial of adjuvant durvalumab monotherapy or combined with tremelimumab for resected primary renal cell carcinoma (RCC) led by MRC CTU at UCL. Annals of Oncology. 36. S1635–S1635.

Robertson, David S., Thomas Burnett, Babak Choodari‐Oskooei, et al.. (2025). Confidence Intervals for Adaptive Trial Designs I: A Methodological Review. Statistics in Medicine. 44(18-19). e70174–e70174.

Noor, Nurulamin M, Shellie Radford, Babak Choodari‐Oskooei, et al.. (2025). Developing an adaptive platform trial for evaluation of medical treatments for Crohn’s disease. Nature Reviews Gastroenterology & Hepatology. 22(6). 364–366. 1 indexed citations

Lelong, Nathalie, Damien Bonnet, Lucile Houyel, et al.. (2024). Predicting Long-Term Childhood Survival of Newborns with Congenital Heart Defects: A Population-Based, Prospective Cohort Study (EPICARD). Journal of Clinical Medicine. 13(6). 1623–1623. 1 indexed citations

Robertson, David S., Thomas J Burnett, Babak Choodari‐Oskooei, et al.. (2024). Confidence intervals for adaptive trial designs I: A methodological review. arXiv (Cornell University).

Robertson, David S., Babak Choodari‐Oskooei, Munyaradzi Dimairo, et al.. (2023). Point estimation for adaptive trial designs II: Practical considerations and guidance. Statistics in Medicine. 42(14). 2496–2520. 9 indexed citations

Robertson, David S., Babak Choodari‐Oskooei, Munyaradzi Dimairo, et al.. (2022). Point estimation for adaptive trial designs I: A methodological review. Statistics in Medicine. 42(2). 122–145. 28 indexed citations

Morris, Tim P., Christopher I Jarvis, William J Cragg, et al.. (2019). Proposals on Kaplan–Meier plots in medical research and a survey of stakeholder views: KMunicate. BMJ Open. 9(9). e030215–e030215. 24 indexed citations

Blenkinsop, Alexandra & Babak Choodari‐Oskooei. (2019). Multiarm, multistage randomized controlled trials with stopping boundaries for efficacy and lack of benefit: An update to nstage. The Stata Journal Promoting communications on statistics and Stata. 19(4). 782–802. 4 indexed citations

10.

Pallmann, Philip, Alun Bedding, Babak Choodari‐Oskooei, et al.. (2018). Adaptive designs in clinical trials: why use them, and how to run and report them. BMC Medicine. 16(1). 29–29. 415 indexed citations breakdown →

11.

Rahman, Mohammad Shafiqur, Gareth Ambler, Babak Choodari‐Oskooei, & Rumana Omar. (2017). Review and evaluation of performance measures for survival prediction models in external validation settings. BMC Medical Research Methodology. 17(1). 60–60. 58 indexed citations

12.

Choodari‐Oskooei, Babak & Tim P. Morris. (2016). Quantifying the Uptake of user-written Commands over Time. The Stata Journal Promoting communications on statistics and Stata. 16(1). 88–95. 1 indexed citations

13.

Choodari‐Oskooei, Babak, Patrick Royston, & Mahesh Parmar. (2015). The extension of total gain (TG) statistic in survival models: properties and applications. BMC Medical Research Methodology. 15(1). 50–50. 1 indexed citations

14.

Bratton, Daniel J., Babak Choodari‐Oskooei, & Patrick Royston. (2015). A Menu-driven Facility for Sample-size Calculation in Multiarm, Multistage Randomized Controlled Trials with Time-to-event Outcomes: Update. The Stata Journal Promoting communications on statistics and Stata. 15(2). 350–368. 10 indexed citations

15.

Brueton, Valerie, Claire L. Vale, Babak Choodari‐Oskooei, Rachel C. Jinks, & Jayne F. Tierney. (2014). Measuring the impact of methodological research: a framework and methods to identify evidence of impact. Trials. 15(1). 464–464. 12 indexed citations

16.

Choodari‐Oskooei, Babak, Mahesh Parmar, Patrick Royston, & Jack Bowden. (2013). Impact of lack-of-benefit stopping rules on treatment effect estimates of two-arm multi-stage (TAMS) trials with time to event outcome. Trials. 14(1). 23–23. 14 indexed citations

17.

Choodari‐Oskooei, Babak, Patrick Royston, & Mahesh Parmar. (2012). A simulation study of predictive ability measures in a survival model II: explained randomness and predictive accuracy. Statistics in Medicine. 31(23). 2644–2659. 17 indexed citations

18.

Choodari‐Oskooei, Babak, Patrick Royston, & Mahesh Parmar. (2011). A simulation study of predictive ability measures in a survival model I: Explained variation measures. Statistics in Medicine. 31(23). 2627–2643. 72 indexed citations

19.

SanJoaquin, Miguel, et al.. (2007). Colorectal cancer incidence, mortality and survival in South-east England between 1972 and 2001. European Journal of Cancer Prevention. 16(1). 10–16. 14 indexed citations

20.

Mak, V., Elizabeth Davies, Venkata Putcha, Babak Choodari‐Oskooei, & Henrik Møller. (2007). The epidemiology and treatment of mesothelioma in South East England 1985-2002. Thorax. 63(2). 160–166. 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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