Browse by UCL people
Group by: Type | Date
Number of items: 32.
Article
Blenkinsop, A;
Choodari-Oskooei, B;
(2019)
Multiarm, multistage randomized controlled trials with stopping boundaries for efficacy and lack of benefit: An update to nstage.
The Stata Journal
, 19
(4)
pp. 782-802.
10.1177/1536867X19893616.
|
 |
|
Blenkinsop, A;
Parmar, MK;
Choodari-Oskooei, B;
(2019)
Assessing the impact of efficacy stopping rules on the error rates under the multi-arm multi-stage framework.
Clinical Trials
10.1177/1740774518823551.
(In press).
|
|
|
Bratton, DJ;
Parmar, MK;
Phillips, PP;
Choodari-Oskooei, B;
(2016)
Type I error rates of multi-arm multi-stage clinical trials: strong control and impact of intermediate outcomes.
Trials
, 17
, Article 309. 10.1186/s13063-016-1382-5.
|
|
|
Brueton, VC;
Vale, CL;
Choodari-Oskooei, B;
Jinks, R;
Tierney, JF;
(2014)
Measuring the impact of methodological research: a framework and methods to identify evidence of impact.
Trials
, 15
(464)
10.1186/1745-6215-15-464.
|
 |
|
Choodari-Oskooei, Babak;
(2024)
Designing a platform/adaptive randomised controlled trial for peripheral arterial disease (PAD) – The PAEDIS international platform trial development project.
NIHR Open Research
, 4
, Article 24. 10.3310/nihropenres.13556.1.
|
|
Choodari-Oskooei, Babak;
Bratton, Daniel J;
Parmar, Mahesh KB;
(2023)
Facilities for optimizing and designing multiarm multistage (MAMS) randomized controlled trials with binary outcomes.
The Stata Journal
, 23
(3)
pp. 774-798.
10.1177/1536867x231196295.
|
|
|
Choodari-Oskooei, Babak;
Parmar, Mahesh KB;
(2024)
Multi-arm multi-stage (MAMS) randomised selection designs: impact of treatment selection rules on the operating characteristics.
BMC Medical Research Methodology
, 24
, Article 124. 10.1186/s12874-024-02247-w.
|
|
|
Choodari-Oskooei, Babak;
Robertson, David S;
(2025)
Confidence Intervals for Adaptive Trial Designs I: A Methodological Review.
Statistics in Medicine
, 44
(18-19)
, Article e70174. 10.1002/sim.70174.
|
|
|
Choodari-Oskooei, Babak;
Robertson, David S;
(2025)
Confidence Intervals for Adaptive Trial Designs II: Case Study and Practical Guidance.
Statistics in Medicine
, 44
(18-19)
, Article e70202. 10.1002/sim.70202.
|
|
|
Choodari-Oskooei, Babak;
Robertson, David S;
Dimairo, Munya;
Flight, Laura;
Pallmann, Philip;
Jaki, Thomas;
(2023)
Point estimation for adaptive trial designs II: Practical considerations and guidance.
Statistics in Medicine
, 42
(14)
pp. 2496-2520.
10.1002/sim.9734.
(In press).
|
|
Choodari-Oskooei, Babak;
Thwin, Soe Soe;
Blenkinsop, Alexandra;
Widmer, Mariana;
Althabe, Fernando;
Parmar, Mahesh KB;
(2023)
Treatment selection in multi-arm multi-stage designs: With application to a postpartum haemorrhage trial.
Clinical Trials
10.1177/17407745221136527.
(In press).
|
|
Choodari-Oskooei, B;
Bratton, DJ;
Gannon, MR;
Meade, AM;
Sydes, MR;
Parmar, MKB;
(2020)
Adding new experimental arms to randomised clinical trials: Impact on error rates.
Clinical Trials
10.1177/1740774520904346.
(In press).
|
|
|
Choodari-Oskooei, B;
Parmar, MK;
Royston, P;
Bowden, J;
(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
, Article 23. 10.1186/1745-6215-14-23.
|
|
|
Choodari-Oskooei, B;
Royston, P;
Parmar, MKB;
(2015)
The extension of total gain (TG) statistic in survival models: Properties and applications.
BMC Medical Research Methodology
, 15
(1)
, Article 50. 10.1186/s12874-015-0042-x.
|
|
|
Law, Martin;
Couturier, Dominique-Laurent;
Choodari-Oskooei, Babak;
Crout, Phillip;
Gamble, Carrol;
Jacko, Peter;
Pallmann, Philip;
... Jaki, Thomas; + view all
(2023)
Medicines and Healthcare products Regulatory Agency’s “Consultation on proposals for legislative changes for clinical trials”: a response from the Trials Methodology Research Partnership Adaptive Designs Working Group, with a focus on data sharing.
Trials
, 24
, Article 640. 10.1186/s13063-023-07576-7.
|
|
|
Law, Martin;
Couturier, Dominique‑Laurent;
Choodari-Oskooei, Babak;
Crout, Phillip;
Gamble, Carrol;
Jacko, Peter;
Pallmann, Philip;
... Jaki, Thomas; + view all
(2023)
Correction: Medicines and Healthcare products Regulatory Agency’s “Consultation on proposals for legislative changes for clinical trials”: a response from the Trials Methodology Research Partnership Adaptive Designs Working Group, with a focus on data sharing.
[Corrigendum].
Trials
, 24
, Article 744. 10.1186/s13063-023-07763-6.
|
|
Meade, A;
Oza, B;
Frangou, E;
Smith, B;
Bryant, H;
Kaplan, R;
Choodari-Oskooei, B;
... Parmar, MKB; + view all
(2021)
RAMPART: A model for a regulatory-ready academic-led phase III trial in the adjuvant renal cell carcinoma setting.
Contemporary Clinical Trials
, 108
, Article 106481. 10.1016/j.cct.2021.106481.
|
|
|
Meade, Angela;
Frangou, Elena;
Choodari-Oskooei, Babak;
Larkin, James;
Powles, Tom;
Stewart, Grant D;
Albiges, Laurence;
... Parmar, Mahesh KB; + view all
(2024)
Adapting the design of the ongoing RAMPART trial in response to external evidence: An example for trials which take many years to run and report.
Contemporary Clinical Trials Communications
, 42
, Article 101381. 10.1016/j.conctc.2024.101381.
|
|
|
Morris, TP;
Choodari-Oskooei, B;
(2016)
Quantifying the uptake of user-written commands over time.
The Stata Journal
, 16
(1)
pp. 88-95.
|
|
|
Morris, TP;
Jarvis, CI;
Cragg, W;
Phillips, PPJ;
Choodari-Oskooei, B;
Sydes, MR;
(2019)
Proposals on Kaplan–Meier plots in medical research and a survey of stakeholder views: KMunicate.
BMJ Open
, 9
(9)
, Article e030215. 10.1136/bmjopen-2019-030215.
|
|
|
Noor, Nurulamin M;
Radford, Shellie J;
Choodari-Oskooei, Babak;
Gordon, Morris;
Hart, Ailsa L;
Hepburn, Trish;
Juszczak, Ed;
... Moran, Gordon W; + view all
(2025)
Developing an adaptive platform trial for evaluation of medical treatments for Crohn's disease.
Nature Reviews Gastroenterology & Hepatology
, 22
pp. 364-366.
10.1038/s41575-025-01052-0.
|
|
Oza, B;
Frangou, E;
Smith, B;
Bryant, H;
Kaplan, R;
Choodari-Oskooei, B;
Powles, T;
... Meade, A; + view all
(2021)
RAMPART: A phase III multi-arm multi-stage trial of adjuvant checkpoint inhibitors in patients with resected primary renal cell carcinoma (RCC) at high or intermediate risk of relapse.
Contemporary Clinical Trials
, 108
, Article 106482. 10.1016/j.cct.2021.106482.
|
|
|
Pallmann, P;
Sydes, MR;
Other authors, M;
(2018)
Adaptive designs in clinical trials: why use them, and how to run and report them.
BMC Medicine
, 16
, Article 29. 10.1186/s12916-018-1017-7.
|
|
Parmar, MK;
Cafferty, FH;
Sydes, MR;
Choodari-Oskooei, B;
Langley, RE;
Brown, L;
Phillips, PP;
... Royston, PJ; + view all
(2017)
Testing many treatments within a single protocol over 10 years at MRC Clinical Trials Unit at UCL: Multi-arm, multi-stage platform, umbrella and basket protocols.
Clinical Trials
, 14
(5)
pp. 451-461.
10.1177/1740774517725697.
|
|
|
Rahman, MS;
Ambler, G;
Choodari-Oskooei, B;
Omar, RZ;
(2017)
Review and evaluation of performance measures for survival prediction models in external validation settings.
BMC Medical Research Methodology
, 17
, Article 60. 10.1186/s12874-017-0336-2.
|
|
Robertson, David S;
Choodari-Oskooei, Babak;
Dimairo, Munya;
Flight, Laura;
Pallman, Philip;
Jaki, Thomas;
(2022)
Point estimation for adaptive trial designs I: A methodological review.
Statistics in Medicine
10.1002/sim.9605.
(In press).
|
|
Royston, P;
Barthel, FMS;
Parmar, MKB;
Choodari-Oskooei, B;
Isham, V;
(2011)
Designs for clinical trials with time-to-event outcomes based on stopping guidelines for lack of benefit.
Trials
, 12
, Article 81. 10.1186/1745-6215-12-81.
|
|
|
Royston, P;
Choodari-Oskooei, B;
Parmar, MKB;
Rogers, JK;
(2019)
Combined test versus logrank/Cox test in 50 randomised trials.
Trials
, 20
(1)
, Article 172. 10.1186/s13063-019-3251-5.
|
|
|
The ROSSINI-Platform Investigators Collaborating Group;
(2024)
ROSSINI-Platform - Reduction of surgical site infection with a platform trial utilising a 'Basket-MAMS' design - Application acceleration award.
NIHR Open Research
, 4
p. 76.
10.3310/nihropenres.13641.1.
|
|
|
White, Ian;
Choodari-Oskooei, Babak;
Sydes, Matthew R;
Kahan, Brennan;
McCabe, Leanne;
Turkova, Anna;
Esmail, Hanif;
... Ford, Deborah; + view all
(2022)
Combining factorial and multi-arm multi-stage platform designs to evaluate multiple interventions efficiently.
Clinical Trials
10.1177/17407745221093577.
(In press).
|
Book chapter
|
Choodari-Oskooei, Babak;
Sydes, Matthew R;
Royston, Patrick;
Parmar, Mahesh K B;
(2022)
Multi-arm Multi-stage (MAMS) Platform Randomized Clinical Trial.
In: Piantadosi, Steven and Meinert, Curtis L, (eds.)
Principles and Practice of Clinical Trials.
(pp. 1-36).
Springer: Cham, Switzerland.
|
Conference item
|
Alexander, Suceena;
Raj Raj, Selvin Sundar;
Varughese, Santosh;
David, Vinoi George;
Jose, Nisha;
K, Reka;
Choodari-Oskooei, Babak;
... John, George T; + view all
(2025)
WCN25-3803 Design of Randomized Embedded Adaptive Platform Clinical Trial in South Asian Kidney Biopsy-Proven Primary Glomerular Diseases: Multi-Center, Multi-Arm and Multi-Stage.
Presented at: ISN World Congress of Nephrology (WCN) 2025, New Delhi, India.
|
|
