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Items where Author is "Todd, Professor Susan"

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Number of items: 44.

Article

Vafeiadou, K., Weech, M., Altowaijri, H., Todd, S., Yaqoob, P., Jackson, K. and Lovegrove, J. (2015) Replacement of saturated with unsaturated fats had no impact on vascular function but beneficial effects on lipid biomarkers, E-selectin and blood pressure: results from the randomized, controlled Dietary Intervention and VAScular function (DIVAS) study. American Journal of Clinical Nutrition. ISSN 0002-9165 doi: 10.3945/​ajcn.114.097089

Kimani, P. K., Todd, S. and Stallard, N. (2015) Estimation after subpopulation selection in adaptive seamless trials. Statistics in Medicine. ISSN 0277-6715 doi: 10.1002/sim.6506

Kunz, C. U., Friede, T., Parsons, N., Todd, S. and Stallard, N. (2015) A comparison of methods for treatment selection in seamless phase II/III clinical trials incorporating information on short-term endpoints. Journal of Biopharmaceutical Statistics, 25 (1). pp. 170-189. ISSN 1054-3406 doi: 10.1080/10543406.2013.840646

Cohen, D. R., Todd, S., Gregory, W. M. and Brown, J. M. (2015) Adding a treatment arm to an ongoing clinical trial: a review of methodology and practice. Trials, 16. 179. ISSN 1745-6215 doi: 10.1186/s13063-015-0697-y

Wu, S.-Y., Mayneris-Perxachs, J., Lovegrove, J., Todd, S. and Yaqoob, P. (2014) Fish oil supplementation alters numbers of circulating endothelial progenitor cells and micro particles independent of eNOS genotype. American Journal of Clinical Nutrition, 100 (5). pp. 1232-1243. ISSN 1938-3207 doi: 10.3945/ajcn.114.088880

Weech, M., Vafeiadou, K., Hasaj, M., Todd, S., Yaqoob, P., Jackson, K. G. and Lovegrove, J. A. (2014) Development of a food-exchange model to replace saturated fat with MUFAS and n-6 PUFAS in adults at moderate cardiovascular risk. Journal of Nutrition, 144 (6). pp. 846-855. ISSN 1541-6100 doi: 10.3945/jn.114.190645

Kimani, P., Todd, S. and Stallard, N. (2014) A comparison of methods for constructing confidence intervals after phase II/III clinical trials. Biometrical Journal, 56 (1). pp. 107-128. ISSN 0323-3847 doi: 10.1002/bimj.201300036

Kunz, C. U., Friede, T., Parsons, N., Todd, S. and Stallard, N. (2014) Data-driven treatment selection for seamless phase II/III trials incorporating early-outcome data. Pharmaceutical Statistics, 13 (4). pp. 238-246. ISSN 1539-1612 doi: 10.1002/pst.1619

Siqueira, A. L., Todd, S. and Whitehead, A. (2014) Sample size considerations in active-control non-inferiority trials with binary data based on the odds ratio. Statistical Methods in Medical Research. ISSN 0962-2802 doi: 10.1177/0962280214520729

Kimani, P. K., Todd, S. and Stallard, N. (2013) Conditionally unbiased estimation in phase II/III clinical trials with early stopping for futility. Statistics in Medicine, 32 (17). pp. 2893-2910. ISSN 0277-6715 doi: 10.1002/sim.5757

Chapman, C.M.C., Gibson, G.R., Todd, S. and Rowland, I. (2013) Comparative in vitro inhibition of urinary tract pathogens by single- and multi-strain probiotics. European Journal of Nutrition, 52 (6). pp. 1669-1677. ISSN 1436-6215 doi: 10.1007/s00394-013-0501-2

Todd, S., Baksh, M. F. and Whitehead, J. (2012) Sequential methods for pharmacogenetic studies. Computational Statistics & Data Analysis, 56 (5). pp. 1221-1231. ISSN 0167-9473 doi: 10.1016/j.csda.2011.02.019

Todd, S., Valdes-Marquez, E. and West, J. (2012) A practical comparison of blinded methods for sample size reviews in survival data clinical trials. Pharmaceutical Statistics, 11 (2). pp. 141-148. ISSN 1539-1612 doi: 10.1002/pst.516

Vafeiadou, K., Weech, M., Sharma, V., Yaqoob, P., Todd, S., Williams, C., Jackson, K. and Lovegrove, J. (2012) A review of the evidence for the effects of total dietary fat, SFA, MUFA and n-6 PUFA on vascular function, endothelial progenitor cells and microparticles. British Journal of Nutrition, 107 (3). pp. 303-324. ISSN 1475-2662 doi: 10.1017/S0007114511004764

Parsons, N., Friede, T., Todd, S., Marquez, E. V., Chataway, J., Nicholas, R. and Stallard, N. (2012) An R package for implementing simulations for seamless phase II/III clinical trials using early outcomes for treatment selection. Computational Statistics & Data Analysis, 56 (5). pp. 1150-1160. ISSN 0167-9473 doi: 10.1016/j.csda.2010.10.027

Stallard, N. and Todd, S. (2011) Seamless phase II/III designs. Statistical Methods in Medical Research, 20 (6). pp. 623-634. ISSN 0962-2802 doi: 10.1177/0962280210379035

Friede, T., Parsons, N., Stallard, N., Todd, S., Valdes Marquez, E., Chataway, J. and Nicholas, R. (2011) Designing a seamless phase II/III clinical trial using early outcomes for treatment selection: an application in multiple sclerosis. Statistics in Medicine, 30 (13). pp. 1528-1540. ISSN 1097-0258 doi: 10.1002/sim.4202

O'Kelly, M., Julious, S. A., Pyke, S., Day, S., Todd, S., Seldrup, J. and Matcham, J. (2011) Making available information from studies sponsored by the pharmaceutical industry: some current practices. Pharmaceutical Statistics, 10 (1). pp. 60-69. ISSN 1539-1612 doi: 10.1002/pst.430

Matcham, J., Julious, S., Pyke, S., O'Kelly, M., Todd, S., Seldrup, J. and Day, S. (2011) Proposed best practice for statisticians in the reporting and publication of pharmaceutical industry-sponsored clinical trials. Pharmaceutical Statistics, 10 (1). pp. 70-73. ISSN 1539-1612 doi: 10.1002/pst.417

Pyke, S., Julious, S. A., Day, S., O'Kelly, M., Todd, S., Matcham, J. and Seldrup, J. (2011) The potential for bias in reporting of industry-sponsored clinical trials. Pharmaceutical Statistics, 10 (1). pp. 74-79. ISSN 1539-1612 doi: 10.1002/pst.429

Chataway, J., Nicholas, R., Todd, S., Miller, D. H., Parsons, N., Valdes-Marquez, E., Stallard, N. and Friede, T. (2011) A novel adaptive design strategy increases the efficiency of clinical trials in secondary progressive multiple sclerosis. Multiple Sclerosis Journal, 17 (1). pp. 81-88. ISSN 1477-0970 doi: 10.1177/1352458510382129

Whitehead, J., Branson, M. and Todd, S. (2010) A combined score test for binary and ordinal endpoints from clinical trials. Statistics in Medicine, 29 (5). pp. 521-532. ISSN 0277-6715 doi: 10.1002/sim.3822

Friede, T., Nicholas, R., Stallard, N., Todd, S. C., Parsons, N., Valdes-Marquez, E. and Chataway, J. (2010) Refinement of the Clinical Scenario Evaluation Framework for Assessment of Competing Development Strategies with an Application to Multiple Sclerosis. Drug Information Journal, 44 (6). pp. 713-718. ISSN 0092-8615

Siqueira, A.L., Whitehead, A. and Todd, S. (2008) Active-control trials with binary data: a comparison of methods for testing superiority or non-inferiority using the odds ratio. Statistics in Medicine, 27 (3). pp. 353-370. ISSN 0277-6715 doi: 10.1002/sim.2975

Stallard, N., Todd, S. and Whitehead, J. (2008) Estimation following selection of the largest of two normal means. Journal of Statistical Planning and Inference, 138 (6). pp. 1629-1638. ISSN 0378-3758 doi: 10.1016/j.jspi.2007.05.045

Whitehead, A. , Whitehead, J. , Todd, S., Zhou, Y. and Smith, M. (2008) Fitting models for the joint action of two drugs using SAS(R). Pharmaceutical Statistics, 7 (4). pp. 272-284. ISSN 1539-1612 doi: 10.1002/pst.312

Todd, S. (2007) A 25-year review of sequential methodology in clinical studies. Stat Med, 26 (2). pp. 237-52. ISSN 0277-6715 doi: 10.1002/sim.2763

Baksh, M.F., Haars, G., Todd, S., Van Noord, P.A.H. and Whitehead, J. (2006) Comparing correlations of continuous observations from two independent populations using a sequential approach. Statistics in Medicine, 25 (24). pp. 4293-4310. ISSN 0277-6715 doi: 10.1002/sim.2676

Baksh, M. F., Todd, S., Whitehead, J. and Lucini, M. M. (2005) Design considerations in the sequential analysis of matched case–control data. Statistics in Medicine, 24 (6). pp. 853-867. ISSN 0277-6715 doi: 10.1002/sim.1968

Perkins, G.D., Barrett, H., Bullock, I. , Gabbott, D.A., Todd, S. and Bion, J.F. (2005) The Acute Care Undergraduate TEaching (ACUTE) initiative: consensus development of core competencies in acute care for undergraduates in the United Kingdom. Intensive Care Medicine, 31 (12). pp. 1627-1633. ISSN 0342-4642 doi: 10.1007/s00134-005-2837-4

Siqueira, A., Whitehead, A., Todd, S. and Lucini, M. (2005) Comparison of sample size formulae for 2x2 cross-over designs applied to bioequivalence studies. Pharmaceutical Statistics, 4 (4). pp. 233-243. ISSN 1539-1612 doi: 10.1002/pst.183

Stallard, N. and Todd, S. (2005) Point estimates and confidence regions for sequential trials involving selection. Journal of Statistical Planning and Inference, 135 (1). pp. 402-419. ISSN 0378-3758 doi: 10.1016/j.jspi.2004.05.006

Rogers, M. S., Chang, A. M. Z. and Todd, S. (2005) Using group-sequential analysis to achieve the optimal sample size. Bjog-an International Journal of Obstetrics and Gynaecology, 112 (5). pp. 529-533. ISSN 1470-0328 doi: 10.1111/j.1471-0528.2005.00479.x

Kelly, P.J., Stallard, N. and Todd, S. (2005) An adaptive group sequential design for phase II/III clinical trials that select a single treatment from several. Journal of Biopharmaceutical Statistics, 15 (4). pp. 641-658. ISSN 1054-3406 doi: 10.1081/BIP-200062857

Todd, S. and Stallard, N. (2005) A new clinical trial design combining phases II and III: sequential designs with treatment selection and a change of endpoint. Drug Information Journal, 39. pp. 109-118. ISSN 0092-8615

Kelly, P.J., Sooriyarachchi, M.R., Stallard, N. and Todd, S. (2005) A practical comparison of group-sequential and adaptive designs. Journal of Biopharmaceutical Statistics, 15 (4). pp. 719-738. ISSN 1054-3406 doi: 10.1081/BIP-200062859

Whitehead, J. and Todd, S. (2004) The double triangular test in practice. Pharmaceutical Statistics, 3 (1). pp. 39-49. ISSN 1539-1612 doi: 10.1002/pst.91

Elliot, J.M., Virankabutra, T., Jones, S., Tanudsintum, S., Lipkin, G., Todd, S. and Bion, J. (2003) Erythropoietin mimics the acute phase response in critical illness. Clinical Care, 7. R35-R40. ISSN 1364-8535 doi: 10.1186/cc2185

Stallard, N. and Todd, S. (2003) Sequential designs for phase III clinical trials incorporating treatment selection. Statistics in Medicine, 22 (5). pp. 689-703. ISSN 0277-6715 doi: 10.1002/sim.1362

Todd, S. (2003) An adaptive approach to implementing bivariate group sequential clinical trial designs. Journal of Biopharmaceutical Statistics, 13 (4). pp. 605-619. ISSN 1054-3406 doi: 10.1081/BIP-120024197

Vincent, E., Todd, S. and Whitehead, J. (2002) A sequential procedure for comparing two experimental treatments with a control. Journal of Biopharmaceutical Statistics, 12 (2). pp. 249-265. ISSN 1054-3406 doi: 10.1081/BIP-120015747

Report

Branson, M., Todd, S. and Whitehead, J., (2004) Estimating the covariances between efficient score test statistics in comparative studies. Applied Statistics Technical Report. 04/2. The University of Reading

Siqueira, A.L., Whitehead, A., Todd, S. and Lucini, M.M., (2004) On sample size calculations for 2x2 cross-over designs applied to bioequivalence studies. Applied Statistics Technical Report. 04/4. The University of Reading

Kelly, P., Stallard, N. and Todd, S., (2003) An adaptive group sequential design for clinical trials that involve treatment selection. Applied Statistics Technical Report. 03/1. The University of Reading

This list was generated on Wed Jul 1 12:25:18 2015 BST.

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