Dr. Abdus Wahed - Department of Biostatistics, University of Pittsburgh

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Statistical Genetics

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Abdus Wahed, PhD
Associate Professor

Personal Webpage: http://www.pitt.edu/~wahed
ATSRG Webpage: http://www.biostat.pitt.edu/ATSRG/main.htm

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Education
Research Interests
Awards
Courses
Selected Publications
Presentations
Contact Information

Education

PhD, Statistics, North Carolina State University, 2003.
MA, Mathematical Statistics, Ball State University, 2000.
MSc, Statistics, University of Dhaka, 1994.
BSc (Hons.), Statistics (minor in Mathematics and Economics), University of Dhaka, 1992.

Research Interests

Design and Analysis of Multi-stage randomization Trials
Adaptive Treatment Strategies
Dynamic treatment regimes
Survival Analysis
Causal Inference
Missing Data
Skew-Symmetric Distributions
Viral Hepatitis
Bariatric Surgery
Click here for complete research details
Health Sciences Faculty Research Interests Project

Awards

2003	ASA Biopharmaceutical Section Student Paper Award ASA Biometrics Section Travel Award International Biometrics Society (ENAR) Student Award Outstanding Teaching Assistant Award, Department of Statistics, NCSU
2002	Gertrude M. Cox Academic Achievement Award, Outstanding Ph. D. Candidate, Department of Statistics, NCSU
2001	Outstanding Teaching Assistant Award, Department of Statistics, NCSU
2000	Dean's Award of Excellence, Graduate School, Ball State University

Courses

BIOST 2083: Linear Models (Fall 2004)

Selected Publications

Flum, D, Belle, SH,….., Wahed, AS et al. (2009). Peri-operative Safety in the Longitudinal Assessment of Bariatric Surgery. Accepted, New England Journal of Medicine.

Wahed , AS (2009). Inference for Two-Stage Adaptive Treatment Strategies Using Mixture Distributions. Accepted, Journal of Royal Statistical Society Series C (Applied Statistics).

Feng, W and Wahed, AS (2009). Sample Size for Two-Stage Studies with Maintenance Therapy. Accepted, Statistics in Medicine

Wahed, AS ,Luong, T, and Jeong, J-H (2009). A new generalization of Weibull distribution with application to a breast cancer data set. Accepted, Statistics in Medicine

Wahed, AS (2008). Estimation of survival quantiles in two-stage randomization designs, accepted, Journal of Statistical Planning and Inference.

Feng, W and Wahed, AS (2008). A supremum log rank test for comparing adaptive treatment strategies and corresponding sample size formula, Biometrika. In press.

Ali, MM, Woo, J, Pal, M and Wahed, AS. (2008) Some Skew-Symmetric Double Inverted Distributions. International Journal of Statistical Sciences. In press.

Wahed, AS. (2007) The family of curvi-triangular distributions. International Journal of Statistical Sciences, Vol 6, pp 7-18.

Wahed, AS and Tsiatis, A. A. (2006) Semi-parametric Efficient Estimation of The Survival Distribution for Treatment Policies in Two-Stage Randomization Designs in Clinical Trials with Censored Data. Biometrika Vol 93: pp. 147-161.

Wahed, AS. (2006) Bayesian Inference Using Burr Model Under Asymmetric Loss Function: An Application to Carcinoma Survival Data. Journal of Statistical Research, 2006, Vol. 40, No. 1, pp. 45-57.

Wahed, AS. (2006). A General Method of Constructing Extended Families of Distributions from an Existing Continuous Class. Journal of Probability and Statistical Science 4(2), 165-177.

Feng, W and Wahed, AS (2006). A Review of Inferential Procedures for Survival Analysis in Two-Stage Randomization Designs. Far East Journal of Theoretical Statistics Vol. 19 (1), pp 117 – 139.

Wahed, AS and Tsiatis, A. A.(2004). Optimal estimator for the survival distribution and related quantities for treatment policies in two-stage randomization designs in clinical trials, Biometrics, Vol. 60, No. 1. pp 124-133.

Wahed, AS and Ali, MM (2001). The Skew-Logistic Distribution. Journal of Statistical Research, Vol. 35, No,2, pp. 71-80.

Wahed, AS and Uddin, B (1998). Bayes Estimation Under Asymmetric Loss. Dhaka University Journal of Science, Vol. 46.

Click here for a complete list of collaborative and other publications

Presentations

February, 2009. (Invited) Adaptive Designs in Clinical Trials. School of Medicine, University of Pittsburgh.

September, 2008. (Invited) Comparing adaptive treatment strategies following sequential multiple assignment randomization trials, Clinical and Translational Sciences Research Institute, CHRC, RAND-Pittsburgh Institute, VA-CHERP.

July, 2008. (Invited) Inference on dynamic treatment regimes following sequential multiple assignment randomization trials, Center for Statistics at Queen Mary, University of London.

February, 2008. (Invited) Adaptive treatment strategies – one step forward towards individualized treatment rules. Dean’s Junior Faculty Seminar Series, Graduate School of Public Health, Pittsburgh.

February, 2008. (Invited) Adaptive Designs in Clinical Trials. School of Medicine, University of Pittsburgh.

January 2008. (Invited) Supremum weighted log-rank test and sample size for comparing two-stage adaptive treatment strategies. Department of Epidemiology, Biostatistics and Occupational Health, McGill University.

June 2007. (Invited) Semi-parametric methods for estimating causal effect of treatment strategies in two-stage randomization clinical trials. ICSA 2007 Applied statistics Symposium, Raleigh, North Carolina.

May 2007. (Invited) Weibull-based approaches to survival analysis with applications to breast cancer data. Department of Mathematical Sciences, Ball State University, Muncie, Indiana.

February 2007. (Invited) Comparing Adaptive Treatment Strategies: Challenges and Solutions. Center for Health Equity, Research and Promotions (CHERP), VA Health Care System, Pittsburgh.

December 2006. (Invited) Survival Analysis for Comparing Adaptive Treatment Strategies. Department of Applied Statistics, University of Dhaka, Dhaka, Bangladesh.

April 2006. (Invited) Survival Analysis in Two-stage Randomization Designs in Leukemia Trials. Department of Mathematics and Statistics, University of Windsor, Windsor, Ontario.

February 2006. (Invited) Survival Analysis in Two-stage Randomization Designs in Oncolgy Trials. Invited presentation, Department of Biostatistics, College of Public Health, University of Kentucky.

March 2005. (Invited) Survival Analysis in Two-stage Randomization Designs. Invited lecture in the session CENSORED DATA IN THE ENVIRONMENTAL, AGRICULTURAL AND MEDICAL SCIENCES. International Biometric Society (ENAR) spring meetings, 2006, Tampa, Florida.

Click here for a complete list of presentations

Contact Information

318C Parran Hall
130 DeSoto Street
Pittsburgh, PA 15261
Telephone: 412-624-3053
Facsimile: 412-624-2183
Email: wahed@pitt.edu

Webmaster:
Susan Grasky, BSIS

Department of Biostatistics, 130 Desoto Street, 311 Parran Hall,
Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA 15261
Phone: (412) 624-3022 Fax: (412) 624-2183

Revised on September 3, 2009

Personal Webpage: http://www.pitt.edu/~wahed ATSRG Webpage: http://www.biostat.pitt.edu/ATSRG/main.htm

Education Research Interests Awards Courses Selected Publications Presentations Contact Information