Publications

Wang, Z., Cheng, Y., & Wahed, A. S. (2026). Interim Analysis in Sequential Multiple Assignment Randomized Trials for Survival Outcomes. Biometrics. In press.

Yang, X., Cheng, Y., & Wahed, A. S. (2026). Statistical Inference for Response-Adaptive Randomization Designs: A Comparative Study. Journal of Statistical Research. In press.

Wu, L., Wang, J., & Wahed, A. S. (2025). Sample Size Adjustment in Sequential Multiple Assignment Randomized Trials. Statistics in Medicine, 44(3–4), e10328.

Yang, X., Cheng, Y., Thall, P. F., & Wahed, A. S. (2024). A Generalized Outcome-Adaptive Sequential Multiple Assignment Randomized Trial Design. Biometrics, 80(3).

Lyu, L., Cheng, Y., & Wahed, A. S. (2023). Imputation-Based Q-Learning for Optimizing Dynamic Treatment Regimes with Right-Censored Survival Outcome. Biometrics, 79(4), 3676–3689.

Wu, L., Wang, J., & Wahed, A. S. (2023). Interim Monitoring in Sequential Multiple Assignment Randomized Trials. Biometrics, 79(1), 368–380.

Johnson, G. S., Topp, A. S., & Wahed, A. S. (2022). Optimizing Acute Myelogenous Leukemia Treatment Regimes via Sequential Structural Mean Models. Bulletin of the Malaysian Mathematical Sciences Society, 45(Suppl. 1), 539–566.

Wang, J., Wu, L., & Wahed, A. S. (2022). Adaptive Randomization in a Two-Stage Sequential Multiple Assignment Randomized Trial. Biostatistics, 23(4), 1182–1199.

Johnson, G. S., Topp, A. S., & Wahed, A. S. (2021). Optimizing Dynamic Treatment Regimes via Threshold Utility Analysis on Quality Adjusted Survival. Journal of Statistical Research, 55(1), 127–145.

Chen, L., Yavuz, I., Cheng, Y., & Wahed, A. S. (2020). Cumulative Incidence Regression for Dynamic Treatment Regimens. Biostatistics, 21(2), e113–e130. https://doi.org/10.1093/biostatistics/kxy062

Topp, A. S., Johnson, G. S., & Wahed, A. S. (2018). Variants of Double Robust Estimators for Two-Stage Dynamic Treatment Regimes. Journal of Statistical Research, 52(1), 91–113.

Yavuz, I., Cheng, Y., & Wahed, A. S. (2018). Estimating the Cumulative Incidence Function of Dynamic Treatment Regimes. Journal of the Royal Statistical Society: Series A, 181(1), 85–106.

Hsu, J. Y., & Wahed, A. S. (2017). Weighted Generalized Estimating Equations for Response-Adaptive Treatment Regimes in Two-Stage Longitudinal Studies. Journal of Statistical Research, 51(1), 79–100.

Xu, Y., Mueller, P., Wahed, A. S., & Thall, P. F. (2016). Bayesian Nonparametric Estimation for Dynamic Treatment Regimes with Sequential Transition Times. Journal of the American Statistical Association, 111(515), 921–950.

Ogbagaber, S. B., Karp, J., & Wahed, A. S. (2016). Design of Sequentially Randomized Trials for Testing Adaptive Treatment Strategies. Statistics in Medicine, 35(6), 840–858.

Tang, X., & Wahed, A. S. (2015). Pattern-Mixture-Type Estimation and Testing of Neuroblastoma Treatment Regimes. Journal of Statistical Theory and Practice, 9(2), 266–287.

Huang, X., Ning, J., & Wahed, A. S. (2014). Optimization of Individualized Dynamic Treatment Regimes for Recurrent Diseases. Statistics in Medicine, 33(14), 2363–2378.

Kidwell, K., Ko, J. H., & Wahed, A. S. (2014). Inference for the Median Residual Life Function in Sequential Multiple Assignment Randomized Trials. Statistics in Medicine, 33(9), 1503–1513.

Tang, X., & Wahed, A. S. (2014). Cumulative Hazard Ratio Estimation for Treatment Regimes in Sequentially Randomized Clinical Trials. Statistics in Biosciences. https://doi.org/10.1007/s12561-013-9089-6

Kidwell, K. M., & Wahed, A. S. (2013). Weighted Log-Rank Statistic to Compare Shared-Path Adaptive Treatment Strategies. Biostatistics, 14(2), 299–312.

Wahed, A. S., & Thall, P. F. (2013). Evaluating Joint Effects of Induction-Salvage Treatment Regimes on Overall Survival in Acute Leukemia. Journal of the Royal Statistical Society: Series C (Applied Statistics), 62(1), 67–83.

Miyahara, S., & Wahed, A. S. (2012). Assessing the Effect of Treatment Regimes on Longitudinal Outcome Data: Application to REVAMP Study of Depression. Journal of Statistical Research, 46(2), 233–254.

Ko, J. H., & Wahed, A. S. (2012). Up-Front vs. Sequential Randomizations for Inference on Adaptive Treatment Strategies. Statistics in Medicine, 31(9), 812–830.

Tang, X., & Wahed, A. S. (2011). Comparison of Treatment Regimes with Adjustment for Auxiliary Variables. Journal of Applied Statistics, 38, 2925–2938.

Wahed, A. S. (2011). On the Equivalence of Inverse-Probability-of-Censoring-Weighted and Kaplan-Meier Estimators. Journal of Applied Statistical Sciences, 18(4).

Miyahara, S., & Wahed, A. S. (2010). Weighted Kaplan-Meier Estimators for Two-Stage Treatment Regimes. Statistics in Medicine, 29, 2581–2591.

Wahed, A. S. (2010). Inference for Two-Stage Adaptive Treatment Strategies Using Mixture Distributions. Journal of the Royal Statistical Society: Series C (Applied Statistics), 59.

Feng, W., & Wahed, A. S. (2009). Sample Size for Two-Stage Studies with Maintenance Therapy. Statistics in Medicine, 28, 2028–2041.

Wahed, A. S. (2009). Estimation of Survival Quantiles in Two-Stage Randomization Designs. Journal of Statistical Planning and Inference, 139, 2064–2075.

Feng, W., & Wahed, A. S. (2008). A Supremum Log-Rank Test for Comparing Adaptive Treatment Strategies and Corresponding Sample Size Formula. Biometrika, 95(3), 695–707.