List of works - Sengwee Toh

A critical review of methods to evaluate the impact of FDA regulatory actions.

scientific article published on 12 July 2013

Accuracy of Electronic Health Record-Derived Data for the Identification of Incident ADHD.

scientific article

Adaptation and Validation of the Combined Comorbidity Score for ICD-10-CM.

scientific article

An analytic framework for aligning observational and randomized trial data: Application to postmenopausal hormone therapy and coronary heart disease

scientific article

Antiemetic use among pregnant women in the United States: the escalating use of ondansetron

scientific article published on 21 February 2017

Antipsychotic Use and Stroke: A Retrospective Comparative Study in a Non-Elderly Population

scientific article published on 04 June 2019

Assessing the impact of the new ICD-10-CM coding system on pharmacoepidemiologic studies-An application to the known association between angiotensin-converting enzyme inhibitors and angioedema

scientific article published on 26 June 2018

Association of Risk for Venous Thromboembolism With Use of Low-Dose Extended- and Continuous-Cycle Combined Oral Contraceptives: A Safety Study Using the Sentinel Distributed Database

scientific article published on 01 November 2018

Big data in epidemiology: too big to fail?

scientific article published in November 2013

Building an Active Medical Product Safety Surveillance System in Taiwan: Adaptation of the U.S. Sentinel System Common Data Model Structure to the National Health Insurance Research Database in Taiwan

scientific article published on 04 November 2020

Changing patterns of asthma medication use related to US Food and Drug Administration long-acting β2-agonist regulation from 2005-2011.

scientific article

Characteristics of study design and elements that may contribute to the success of electronic safety monitoring systems

scientific article published on 29 September 2014

Chronic opioid use emerging after bariatric surgery.

scientific article

Combining distributed regression and propensity scores: a doubly privacy-protecting analytic method for multicenter research

scientific article published on 27 November 2018

Comparative cardiovascular safety of nonsteroidal anti-inflammatory drugs in patients with hypertension: a population-based cohort study

scientific article published on 13 March 2018

Comparative effectiveness of bariatric procedures among adolescents: the PCORnet bariatric study.

scientific article published on 17 April 2018

Comparative effectiveness of laparoscopic adjustable gastric banding vs laparoscopic gastric bypass.

scientific article

Comparison of privacy-protecting analytic and data-sharing methods: A simulation study

scientific article published on 18 July 2018

Conducting prospective sequential surveillance in real-world dynamic distributed databases

scientific article published on 25 May 2020

Developing a Standardized and Reusable Method to Link Distributed Health Plan Databases to the National Death Index: Methods Development Study Protocol

scientific article published on 02 November 2020

Diagnostic Algorithms for Cardiovascular Death in Administrative Claims Databases: A Systematic Review

scientific article published on 01 April 2019

Distributed Regression Analysis Application in Large Distributed Data Networks: Analysis of Precision and Operational Performance

scientific article published on 04 June 2020

Early Antibiotic Exposure and Weight Outcomes in Young Children

scientific article published on 31 October 2018

Early impact of the ICD-10-CM transition on selected health outcomes in 13 electronic health care databases in the United States

scientific article published on 26 June 2018

Enrollment and Retention in 34 United States Pregnancy Registries Contrasted with the Manufacturer's Capture of Spontaneous Reports for Exposed Pregnancies

scientific article published on 24 August 2017

Evaluating automated approaches to anaphylaxis case classification using unstructured data from the FDA Sentinel System

scientific article published on 28 August 2018

Evaluating the use of bootstrapping in cohort studies conducted with 1:1 propensity score matching-A plasmode simulation study

scientific article published on 24 April 2019

Evaluation of the US Food and Drug Administration Sentinel Analysis Tools Using a Comparator with a Different Indication: Comparing the Rates of Gastrointestinal Bleeding in Warfarin and Statin Users

scientific article published on 01 February 2019

Evaluation of the US Food and Drug Administration sentinel analysis tools in confirming previously observed drug-outcome associations: The case of clindamycin and Clostridium difficile infection.

scientific article published on 13 March 2018

Extension of Disease Risk Score-Based Confounding Adjustments for Multiple Outcomes of Interest: An Empirical Evaluation

scientific article published on 01 November 2018

Identification of potential drug name confusion errors in the Sentinel System

scientific article published on 04 September 2019

Incidence of Heart Failure and Cardiomyopathy Following Initiation of Medications for Attention-Deficit/Hyperactivity Disorder: A Descriptive Study

scientific article published on 01 October 2018

Inverse probability weighted Cox model in multi-site studies without sharing individual-level data

scientific article published on 26 August 2019

Lower Cancer Incidence-Warfarin Effect or Immortal Time Bias?

scientific article published on 01 April 2018

Maternal antibiotic use during pregnancy and childhood obesity at age 5 years

scientific article published on 22 January 2019

Misclassification in Assessment of First Trimester In-Utero Exposure to Drugs used Proximally to Conception - The Example of Letrozole Utilization for Infertility Treatment

article

Multivariable confounding adjustment in distributed data networks without sharing of patient-level data.

scientific article

National Trends in Outpatient Antihypertensive Prescribing in People with Dementia in the United States.

scientific article published on 2 September 2016

Network meta-analysis incorporating randomized controlled trials and non-randomized comparative cohort studies for assessing the safety and effectiveness of medical treatments: challenges and opportunities.

scientific article

Outcomes of Dabigatran and Warfarin for Atrial Fibrillation in Contemporary Practice: A Retrospective Cohort Study

scientific article published on 14 November 2017

Outpatient influenza antivirals in a distributed data network for influenza surveillance

scientific article published on 22 August 2018

Overall and cause-specific mortality in the Sentinel system: A power analysis

scientific article published on 13 November 2018

Pharmacotherapy for incident attention-deficit/hyperactivity disorder: practice patterns and quality metrics.

scientific article published on 7 April 2014

Potential bias of instrumental variable analyses for observational comparative effectiveness research

scientific article published on July 2014

Pregnancy-Associated Cancer: A U.S. Population-Based Study

scientific article published on 10 October 2018

Prevalence and trends in the use of antipsychotic medications during pregnancy in the U.S., 2001-2007: a population-based study of 585,615 deliveries. ⬇️

scientific article published on 07 February 2013

Privacy-preserving analytic methods for multisite comparative effectiveness and patient-centered outcomes research.

scientific article published on July 2014

Prospective Postmarketing Surveillance of Acute Myocardial Infarction in New Users of Saxagliptin: A Population-Based Study.

scientific article

Prospective surveillance pilot of rivaroxaban safety within the US Food and Drug Administration Sentinel System.

scientific article published on 10 January 2018

RE: Drug risk assessment and data reuse

scientific article published in January 2014

Rapid assessment of cardiovascular risk among users of smoking cessation drugs within the US Food and Drug Administration's Mini-Sentinel program.

scientific article published in May 2013

Re-using Mini-Sentinel data following rapid assessments of potential safety signals via modular analytic programs.

scientific article

Reproducing Protocol-Based Studies Using Parameterizable Tools-Comparison of Analytic Approaches Used by Two Medical Product Surveillance Networks

scientific article published on 12 December 2019

Response to the letter by Mol

scientific article published on 01 January 2014

Risk for Hospitalized Heart Failure Among New Users of Saxagliptin, Sitagliptin, and Other Antihyperglycemic Drugs: A Retrospective Cohort Study

scientific article published on 26 April 2016

Safety assessment of niacin in the US Food and Drug Administration's mini-sentinel system.

scientific article published on 6 November 2017

Sentinel Modular Program for Propensity-Score Matched Cohort Analyses: Application to Glyburide, Glipizide, and Serious Hypoglycemia.

scientific article

Sequential surveillance for drug safety in a regulatory environment

scientific article published on 05 March 2018

Sound-Alike Look-Alike Confusion and Matching Medication Product Attributes: Simulated Case-Control Studies

scientific article published on 18 April 2019

Stakeholders' views on data sharing in multicenter studies.

scientific article published on 14 August 2017

Successful Comparison of US Food and Drug Administration Sentinel Analysis Tools to Traditional Approaches in Quantifying a Known Drug-Adverse Event Association.

scientific article published on 14 July 2016

Surveillance of Medication Use During Pregnancy in the Mini-Sentinel Program.

scientific article published on 8 December 2015

The Devil's in the details: Reports on reproducibility in pharmacoepidemiologic studies

scientific article published on 06 March 2019

The Impact of FDA Regulatory Activities on Incident Dispensing of LABA-Containing Medication: 2005-2011.

scientific article published on 14 September 2017

The National Patient-Centered Clinical Research Network (PCORnet) Bariatric Study Cohort: Rationale, Methods, and Baseline Characteristics.

scientific article published on 5 December 2017

The prevalence and trends of antiviral medication use during pregnancy in the US: a population-based study of 664,297 deliveries in 2001-2007.

scientific article published on January 2014

Translating claims-based CHA2 DS2 -VaSc and HAS-BLED to ICD-10-CM: Impacts of mapping strategies

scientific article published on 17 February 2020

Translating stakeholder-driven comparative effectiveness research into practice: the PCORnet Bariatric Study

scientific article published on 01 October 2020

Trends in 30-day readmission rates after COPD hospitalization, 2006-2012.

scientific article published on 26 July 2017

Trends in elective labor induction for six United States health plans, 2001-2007.

scientific article

Trends in the use of antiepileptic drugs among pregnant women in the US, 2001-2007: a medication exposure in pregnancy risk evaluation program study.

scientific article

Trimethoprim-sulfonamide use during the first trimester of pregnancy and the risk of congenital anomalies

scientific article published on 24 November 2015

Understanding utilization patterns of biologics and biosimilars in the United States to support postmarketing studies of safety and effectiveness

scientific article published on 11 December 2019

Uptake of new drugs in the early post-approval period in the Mini-Sentinel distributed database.

scientific article published on 4 May 2016

Use of Time-Dependent Propensity Scores to Adjust Hazard Ratio Estimates in Cohort Studies with Differential Depletion of Susceptibles

scientific article published on 01 January 2020

Use of real-world evidence in regulatory decisions for rare diseases in the United States-Current status and future directions

scientific article published on 30 January 2020

Use of selective serotonin reuptake inhibitors (SSRIs) in women delivering liveborn infants and other women of child-bearing age within the U.S. Food and Drug Administration's Mini-Sentinel program.

scientific article

Use of tumor necrosis factor-alpha inhibitors during pregnancy among women who delivered live born infants

scientific article published on 14 November 2018

Utilization of drugs with pregnancy exposure registries during pregnancy.

scientific article published on 8 March 2018

Validation of an algorithm to estimate gestational age in electronic health plan databases.

scientific article published on 21 January 2013

Validation of claims-based algorithms for identification of high-grade cervical dysplasia and cervical cancer.

scientific article published on 12 September 2013

Validation of the Combined Comorbidity Index of Charlson and Elixhauser to Predict 30-Day Mortality Across ICD-9 and ICD-10

scientific article published on 01 September 2018

Validity of Privacy-Protecting Analytical Methods That Use Only Aggregate-Level Information to Conduct Multivariable-Adjusted Analysis in Distributed Data Networks

scientific article published on 01 April 2019

Validity of diagnosis and procedure codes for identifying neural tube defects in infants

scientific article published on 15 September 2020

List of works by Sengwee Toh

A critical review of methods to evaluate the impact of FDA regulatory actions.

Accuracy of Electronic Health Record-Derived Data for the Identification of Incident ADHD.

Adaptation and Validation of the Combined Comorbidity Score for ICD-10-CM.

An analytic framework for aligning observational and randomized trial data: Application to postmenopausal hormone therapy and coronary heart disease

Antiemetic use among pregnant women in the United States: the escalating use of ondansetron

Antipsychotic Use and Stroke: A Retrospective Comparative Study in a Non-Elderly Population

Assessing the impact of the new ICD-10-CM coding system on pharmacoepidemiologic studies-An application to the known association between angiotensin-converting enzyme inhibitors and angioedema

Association of Risk for Venous Thromboembolism With Use of Low-Dose Extended- and Continuous-Cycle Combined Oral Contraceptives: A Safety Study Using the Sentinel Distributed Database

Big data in epidemiology: too big to fail?

Building an Active Medical Product Safety Surveillance System in Taiwan: Adaptation of the U.S. Sentinel System Common Data Model Structure to the National Health Insurance Research Database in Taiwan

Changing patterns of asthma medication use related to US Food and Drug Administration long-acting β2-agonist regulation from 2005-2011.

Characteristics of study design and elements that may contribute to the success of electronic safety monitoring systems

Chronic opioid use emerging after bariatric surgery.

Combining distributed regression and propensity scores: a doubly privacy-protecting analytic method for multicenter research

Comparative cardiovascular safety of nonsteroidal anti-inflammatory drugs in patients with hypertension: a population-based cohort study

Comparative effectiveness of bariatric procedures among adolescents: the PCORnet bariatric study.

Comparative effectiveness of laparoscopic adjustable gastric banding vs laparoscopic gastric bypass.

Comparison of privacy-protecting analytic and data-sharing methods: A simulation study

Conducting prospective sequential surveillance in real-world dynamic distributed databases

Developing a Standardized and Reusable Method to Link Distributed Health Plan Databases to the National Death Index: Methods Development Study Protocol

Diagnostic Algorithms for Cardiovascular Death in Administrative Claims Databases: A Systematic Review

Distributed Regression Analysis Application in Large Distributed Data Networks: Analysis of Precision and Operational Performance

Early Antibiotic Exposure and Weight Outcomes in Young Children

Early impact of the ICD-10-CM transition on selected health outcomes in 13 electronic health care databases in the United States

Enrollment and Retention in 34 United States Pregnancy Registries Contrasted with the Manufacturer's Capture of Spontaneous Reports for Exposed Pregnancies

Evaluating automated approaches to anaphylaxis case classification using unstructured data from the FDA Sentinel System

Evaluating the use of bootstrapping in cohort studies conducted with 1:1 propensity score matching-A plasmode simulation study

Evaluation of the US Food and Drug Administration Sentinel Analysis Tools Using a Comparator with a Different Indication: Comparing the Rates of Gastrointestinal Bleeding in Warfarin and Statin Users

Evaluation of the US Food and Drug Administration sentinel analysis tools in confirming previously observed drug-outcome associations: The case of clindamycin and Clostridium difficile infection.

Extension of Disease Risk Score-Based Confounding Adjustments for Multiple Outcomes of Interest: An Empirical Evaluation

Identification of potential drug name confusion errors in the Sentinel System

Incidence of Heart Failure and Cardiomyopathy Following Initiation of Medications for Attention-Deficit/Hyperactivity Disorder: A Descriptive Study

Inverse probability weighted Cox model in multi-site studies without sharing individual-level data

Lower Cancer Incidence-Warfarin Effect or Immortal Time Bias?

Maternal antibiotic use during pregnancy and childhood obesity at age 5 years

Misclassification in Assessment of First Trimester In-Utero Exposure to Drugs used Proximally to Conception - The Example of Letrozole Utilization for Infertility Treatment

Multivariable confounding adjustment in distributed data networks without sharing of patient-level data.

National Trends in Outpatient Antihypertensive Prescribing in People with Dementia in the United States.

Network meta-analysis incorporating randomized controlled trials and non-randomized comparative cohort studies for assessing the safety and effectiveness of medical treatments: challenges and opportunities.

Outcomes of Dabigatran and Warfarin for Atrial Fibrillation in Contemporary Practice: A Retrospective Cohort Study

Outpatient influenza antivirals in a distributed data network for influenza surveillance

Overall and cause-specific mortality in the Sentinel system: A power analysis

Pharmacotherapy for incident attention-deficit/hyperactivity disorder: practice patterns and quality metrics.

Potential bias of instrumental variable analyses for observational comparative effectiveness research

Pregnancy-Associated Cancer: A U.S. Population-Based Study

Prevalence and trends in the use of antipsychotic medications during pregnancy in the U.S., 2001-2007: a population-based study of 585,615 deliveries. ⬇️

Privacy-preserving analytic methods for multisite comparative effectiveness and patient-centered outcomes research.

Prospective Postmarketing Surveillance of Acute Myocardial Infarction in New Users of Saxagliptin: A Population-Based Study.

Prospective surveillance pilot of rivaroxaban safety within the US Food and Drug Administration Sentinel System.

RE: Drug risk assessment and data reuse

Rapid assessment of cardiovascular risk among users of smoking cessation drugs within the US Food and Drug Administration's Mini-Sentinel program.

Re-using Mini-Sentinel data following rapid assessments of potential safety signals via modular analytic programs.

Reproducing Protocol-Based Studies Using Parameterizable Tools-Comparison of Analytic Approaches Used by Two Medical Product Surveillance Networks

Response to the letter by Mol

Risk for Hospitalized Heart Failure Among New Users of Saxagliptin, Sitagliptin, and Other Antihyperglycemic Drugs: A Retrospective Cohort Study

Safety assessment of niacin in the US Food and Drug Administration's mini-sentinel system.

Sentinel Modular Program for Propensity-Score Matched Cohort Analyses: Application to Glyburide, Glipizide, and Serious Hypoglycemia.

Sequential surveillance for drug safety in a regulatory environment

Sound-Alike Look-Alike Confusion and Matching Medication Product Attributes: Simulated Case-Control Studies

Stakeholders' views on data sharing in multicenter studies.

Successful Comparison of US Food and Drug Administration Sentinel Analysis Tools to Traditional Approaches in Quantifying a Known Drug-Adverse Event Association.

Surveillance of Medication Use During Pregnancy in the Mini-Sentinel Program.

The Devil's in the details: Reports on reproducibility in pharmacoepidemiologic studies

The Impact of FDA Regulatory Activities on Incident Dispensing of LABA-Containing Medication: 2005-2011.

The National Patient-Centered Clinical Research Network (PCORnet) Bariatric Study Cohort: Rationale, Methods, and Baseline Characteristics.

The prevalence and trends of antiviral medication use during pregnancy in the US: a population-based study of 664,297 deliveries in 2001-2007.

Translating claims-based CHA2 DS2 -VaSc and HAS-BLED to ICD-10-CM: Impacts of mapping strategies

Translating stakeholder-driven comparative effectiveness research into practice: the PCORnet Bariatric Study

Trends in 30-day readmission rates after COPD hospitalization, 2006-2012.

Trends in elective labor induction for six United States health plans, 2001-2007.

Trends in the use of antiepileptic drugs among pregnant women in the US, 2001-2007: a medication exposure in pregnancy risk evaluation program study.

Trimethoprim-sulfonamide use during the first trimester of pregnancy and the risk of congenital anomalies

Understanding utilization patterns of biologics and biosimilars in the United States to support postmarketing studies of safety and effectiveness

Uptake of new drugs in the early post-approval period in the Mini-Sentinel distributed database.

Use of Time-Dependent Propensity Scores to Adjust Hazard Ratio Estimates in Cohort Studies with Differential Depletion of Susceptibles

Use of real-world evidence in regulatory decisions for rare diseases in the United States-Current status and future directions

Use of selective serotonin reuptake inhibitors (SSRIs) in women delivering liveborn infants and other women of child-bearing age within the U.S. Food and Drug Administration's Mini-Sentinel program.

Use of tumor necrosis factor-alpha inhibitors during pregnancy among women who delivered live born infants

Utilization of drugs with pregnancy exposure registries during pregnancy.