Walid F Gellad

Summary

Country: USA

Publications

  1. ncbi request reprint Assessing the chiral switch: approval and use of single-enantiomer drugs, 2001 to 2011
    Walid F Gellad
    Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, 7180 Highland Dr, Pittsburgh, PA 15206 E mail
    Am J Manag Care 20:e90-7. 2014
  2. pmc Brand-name prescription drug use among Veterans Affairs and Medicare Part D patients with diabetes: a national cohort comparison
    Walid F Gellad
    Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, 7180 Highland Drive, Pittsburgh, PA 15206, USA
    Ann Intern Med 159:105-14. 2013
  3. pmc Use of antipsychotics among older residents in VA nursing homes
    Walid F Gellad
    Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, 7180 Highland Drive, Pittsburgh, PA 15206, USA
    Med Care 50:954-60. 2012
  4. pmc Facility-level variation in potentially inappropriate prescribing for older veterans
    Walid F Gellad
    Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania 15206, USA
    J Am Geriatr Soc 60:1222-9. 2012
  5. pmc Variation in prescription use and spending for lipid-lowering and diabetes medications in the Veterans Affairs Healthcare System
    Walid F Gellad
    Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, Pittsburgh, PA 15206, USA
    Am J Manag Care 16:741-50. 2010
  6. pmc Use of prescription drug samples and patient assistance programs, and the role of doctor-patient communication
    Walid F Gellad
    Pittsburgh Veterans Affairs Medical Center and the Center for Health Equity Research and Promotion, Pittsburgh, PA, USA
    J Gen Intern Med 26:1458-64. 2011
  7. pmc VA and Medicare Utilization Among Dually Enrolled Veterans with Type 2 Diabetes: A Latent Class Analysis
    Thomas R Radomski
    Division of General Internal Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
    J Gen Intern Med 31:524-31. 2016
  8. pmc Medicare Part D and potentially inappropriate medication use in the elderly
    Julie M Donohue
    Department of Health Policy and Management, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA 15261, USA
    Am J Manag Care 18:e315-22. 2012
  9. doi request reprint Variation in Formulary Management Practices Within the Department of Veterans Affairs Health Care System
    Thomas R Radomski
    1 Clinical Instructor, Division of General Internal Medicine, Department of Medicine, University of Pittsburgh School of Medicine, and clinical research fellow, Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania
    J Manag Care Spec Pharm 22:114-20. 2016
  10. pmc Potentially suboptimal prescribing for older veteran nursing home patients with dementia
    Joseph T Hanlon
    University of Pittsburgh UPITT and VA CHERP Pittsburgh, PA, USA
    Ann Pharmacother 49:20-8. 2015

Collaborators

Detail Information

Publications34

  1. ncbi request reprint Assessing the chiral switch: approval and use of single-enantiomer drugs, 2001 to 2011
    Walid F Gellad
    Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, 7180 Highland Dr, Pittsburgh, PA 15206 E mail
    Am J Manag Care 20:e90-7. 2014
    ..We studied the prevalence of chiral switching in the United States over the past decade, including trends in use of, and expenditures on, these products in Medicaid...
  2. pmc Brand-name prescription drug use among Veterans Affairs and Medicare Part D patients with diabetes: a national cohort comparison
    Walid F Gellad
    Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, 7180 Highland Drive, Pittsburgh, PA 15206, USA
    Ann Intern Med 159:105-14. 2013
    ..Medicare relies on private plans with distinct formularies, whereas the VA administers its own benefit using a national formulary...
  3. pmc Use of antipsychotics among older residents in VA nursing homes
    Walid F Gellad
    Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, 7180 Highland Drive, Pittsburgh, PA 15206, USA
    Med Care 50:954-60. 2012
    ..Because little is known about their use in Veterans Affairs (VA) nursing homes [ie, Community Living Centers (CLCs)], we assessed the prevalence and risk factors for antipsychotic use in older residents of VA CLCs...
  4. pmc Facility-level variation in potentially inappropriate prescribing for older veterans
    Walid F Gellad
    Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania 15206, USA
    J Am Geriatr Soc 60:1222-9. 2012
    ....
  5. pmc Variation in prescription use and spending for lipid-lowering and diabetes medications in the Veterans Affairs Healthcare System
    Walid F Gellad
    Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, Pittsburgh, PA 15206, USA
    Am J Manag Care 16:741-50. 2010
    ..To examine variation in outpatient prescription use and spending for hyperlipidemia and diabetes mellitus in the Veterans Affairs Healthcare System (VA) and its association with quality measures for these conditions...
  6. pmc Use of prescription drug samples and patient assistance programs, and the role of doctor-patient communication
    Walid F Gellad
    Pittsburgh Veterans Affairs Medical Center and the Center for Health Equity Research and Promotion, Pittsburgh, PA, USA
    J Gen Intern Med 26:1458-64. 2011
    ..Some older adults may use free drug samples or industry-sponsored patient assistance programs (PAP) in hopes of lowering out-of-pocket costs, although the long-term effect of these programs on drug spending is unclear...
  7. pmc VA and Medicare Utilization Among Dually Enrolled Veterans with Type 2 Diabetes: A Latent Class Analysis
    Thomas R Radomski
    Division of General Internal Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
    J Gen Intern Med 31:524-31. 2016
    ..Prior research has not accounted for the multiple ways that Veterans receive services across healthcare systems...
  8. pmc Medicare Part D and potentially inappropriate medication use in the elderly
    Julie M Donohue
    Department of Health Policy and Management, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA 15261, USA
    Am J Manag Care 18:e315-22. 2012
    ..Inappropriate medication use, which is common in older adults, may be responsive to out-of-pocket costs. We examined the impact of Medicare Part D on inappropriate medication use among Medicare beneficiaries...
  9. doi request reprint Variation in Formulary Management Practices Within the Department of Veterans Affairs Health Care System
    Thomas R Radomski
    1 Clinical Instructor, Division of General Internal Medicine, Department of Medicine, University of Pittsburgh School of Medicine, and clinical research fellow, Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania
    J Manag Care Spec Pharm 22:114-20. 2016
    ..Local management of the national formulary may differ across VAMCs and may be one cause of this variation...
  10. pmc Potentially suboptimal prescribing for older veteran nursing home patients with dementia
    Joseph T Hanlon
    University of Pittsburgh UPITT and VA CHERP Pittsburgh, PA, USA
    Ann Pharmacother 49:20-8. 2015
    ..Previous studies have not used national samples, nor have they examined multiple types of suboptimal prescribing by dementia severity...
  11. doi request reprint Adherence to hormonal contraception among women veterans: differences by race/ethnicity and contraceptive supply
    Sonya Borrero
    Center for Health Equity, Research, and Promotion, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, PA 15206, USA
    Am J Obstet Gynecol 209:103.e1-11. 2013
    ....
  12. doi request reprint Dual Health Care System Use and High-Risk Prescribing in Patients With Dementia: A National Cohort Study
    Joshua M Thorpe
    From the Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, and Center for Health Services Research in Primary Care, Durham Veterans Affairs Medical Center, Durham, North Carolina
    Ann Intern Med . 2016
    ..Receipt of prescription medications across unconnected systems of care may increase the risk for unsafe prescribing, particularly in persons with dementia...
  13. pmc Using machine learning to examine medication adherence thresholds and risk of hospitalization
    Wei Hsuan Lo-Ciganic
    Center for Pharmaceutical Policy and Prescribing, University of Pittsburgh, Pittsburgh, PA Department of Pharmacy, Practice and Science, College of Pharmacy, University of Arizona, Tucson, AZ Departments of Health Policy and Management, Graduate School of Public Health Pharmacy and Therapeutics, School of Pharmacy, University of Pittsburgh Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System Departments of Biostatistics, Graduate School of Public Health Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA Department of Pharmacy, School of Pharmacy, University of Washington, Seattle, WA
    Med Care 53:720-8. 2015
    ..Quality improvement efforts are frequently tied to patients achieving ≥80% medication adherence. However, there is little empirical evidence that this threshold optimally predicts important health outcomes...
  14. doi request reprint Dual use of Department of Veterans Affairs and medicare benefits and use of test strips in veterans with type 2 diabetes mellitus
    Walid F Gellad
    Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, Pennsylvania2Division of General Medicine, Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
    JAMA Intern Med 175:26-34. 2015
    ..Veterans with dual Department of Veterans Affairs (VA) and Medicare benefits have access to test strips through both systems, raising the potential for overuse...
  15. pmc The financial burden from prescription drugs has declined recently for the nonelderly, although it is still high for many
    Walid F Gellad
    Pittsburgh Veterans Affairs VA Medical Center, Pittsburgh, Pennsylvania, USA
    Health Aff (Millwood) 31:408-16. 2012
    ....
  16. pmc The impact of Medicare Part D on medication treatment of hypertension
    Yuting Zhang
    Department of Health Policy and Management, University of Pittsburgh, 130 De Soto Street, Crabtree Hall A664, Pittsburgh, PA 15261, USA
    Health Serv Res 46:185-98. 2011
    ..To evaluate Medicare Part D's impact on use of antihypertensive medications among seniors with hypertension...
  17. pmc Patient, Physician and Organizational Influences on Variation in Antipsychotic Prescribing Behavior
    Yan Tang
    Center for Pharmaceutical Policy and Prescribing CP3, Health Policy Institute, University of Pittsburgh Department of Health Policy and Management, Graduate School of Public Health, University of Pittsburgh, PA, USA, 130 DeSoto Street, Crabtree Hall A645, Pittsburgh, PA 15261, USA
    J Ment Health Policy Econ 19:45-59. 2016
    ..For conditions with considerable patient heterogeneity in treatment response, customizing treatment to individual patient needs and preferences may improve outcomes...
  18. pmc Who Were the Early Adopters of Dabigatran?: An Application of Group-based Trajectory Models
    Wei Hsuan Lo-Ciganic
    Department of Pharmacy, Practice and Science, College of Pharmacy, University of Arizona, Tucson, AZ Center for Pharmaceutical, Policy and Prescribing, Health Policy Institute Department of Medicine, School of Medicine, University of Pittsburgh Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, PA Department of Health Care Policy, Harvard Medical School Department of Medicine, Division of Pharmacoepidemiology and Pharmacoeconomics, Brigham and Women s Hospital and Harvard Medical School, Boston, MA Department of Biostatistics Department of Health Policy and Management, Graduate School of Public Health, University of Pittsburgh Department of Psychiatry, University of Pittsburgh Medical Center, Pittsburgh, PA Statistics Department, Istanbul Medeniyet University, Istanbul, Turkey Department of Economics, College of Business and Economics, Lehigh University, Bethlehem, PA
    Med Care 54:725-32. 2016
    ..Variation in physician adoption of new medications is poorly understood. Traditional approaches (eg, measuring time to first prescription) may mask substantial heterogeneity in technology adoption...
  19. pmc Overlapping buprenorphine, opioid, and benzodiazepine prescriptions among Veterans dually enrolled in VA and Medicare Part D
    Walid F Gellad
    a Center for Health Equity Research and Promotion, VA Pittsburgh Healthcare System, Pittsburgh, PA
    Subst Abus . 2016
    ..To illustrate the extent of this challenge, we examined overlapping prescriptions for buprenorphine, opioids, and benzodiazepines among Veterans dually enrolled in VA and Medicare Part D...
  20. pmc An Examination of Claims-based Predictors of Overdose from a Large Medicaid Program
    Gerald Cochran
    School of Social Work Department of Psychiatry, School of Medicine Center for Pharmaceutical Policy and Prescribing, University of Pittsburgh VA Pittsburgh Healthcare System Division of General Internal Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA University of Arizona College of Pharmacy, Tucson, AZ University of Pittsburgh Graduate School of Public Health University of Pittsburgh School of Medicine, Pittsburgh, PA
    Med Care . 2016
    ..Health systems may play an important role in identification of patients at-risk of opioid medication overdose. However, standard measures for identifying overdose risk in administrative data do not exist...
  21. doi request reprint Patterns and Quality of Buprenorphine Opioid Agonist Treatment in a Large Medicaid Program
    Adam J Gordon
    University of Pittsburgh School of Medicine A J G, G C, W F G, Pittsburgh, PA VA Pittsburgh Healthcare System A J G, W F G, Pittsburgh, PA University of Pittsburgh Center for Pharmaceutical Policy and Prescribing A J G, W H L C, G C, W F G, J M D, Pittsburgh, PA Department of Health Policy and Management, Graduate School of Public Health, University of Pittsburgh J M D, Pittsburgh, PA University of Arizona, College of Pharmacy W H L C, Tucson, AZ University of Pittsburgh School of Social Work G C, Pittsburgh, PA Pennsylvania Department of Human Services T C, D K
    J Addict Med 9:470-7. 2015
    ..We investigated predictors of buprenorphine treatment, patterns of care, and quality of care in a large state Medicaid program...
  22. doi request reprint Tight glycemic control and use of hypoglycemic medications in older veterans with type 2 diabetes and comorbid dementia
    Carolyn T Thorpe
    Center for Health Equity Research and Promotion, Veterans Affairs Pittsburgh Healthcare System, Pittsburgh, PA Department of Pharmacy and Therapeutics, University of Pittsburgh School of Pharmacy, Pittsburgh, PA
    Diabetes Care 38:588-95. 2015
    ..We examined risk factors for tight glycemic control in this population and use of medications associated with a high risk of hypoglycemia in the subset with tight control...
  23. pmc Sources of regional variation in Medicare Part D drug spending
    Julie M Donohue
    Department of Health Policy and Management, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA 15261, USA
    N Engl J Med 366:530-8. 2012
    ....
  24. pmc Regional variation in use of a new class of antidiabetic medication among medicare beneficiaries: the case of incretin mimetics
    Zachary A Marcum
    University of Pittsburgh, Pittsburgh, PA, USA
    Ann Pharmacother 49:285-92. 2015
    ..Physicians likely had some uncertainty about the role of IMs in the diabetes treatment armamentarium. Regional variation in uptake of IMs may be a marker of such uncertainty...
  25. ncbi request reprint Medication Adherence as a Learning Process: Insights from Cognitive Psychology
    Benjamin Margolin Rottman
    a Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA
    Health Psychol Rev . 2016
    ..We propose that by conceptualizing non-adherence as a causal learning process, clinicians can more effectively address a patient's misconceptions and biases, helping the patient develop more accurate impressions of the medication...
  26. pmc Defining Nonmedical Use of Prescription Opioids Within Health Care Claims: A Systematic Review
    Gerald Cochran
    a School of Social Work, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
    Subst Abus 36:192-202. 2015
    ..We conducted a systematic review of publications that defined and measured NMPO within health insurance claims databases in order to describe definitions of NMPO and identify areas for improvement...
  27. pmc The impact of family caregivers on potentially inappropriate medication use in noninstitutionalized older adults with dementia
    Joshua M Thorpe
    VA Pittsburgh Healthcare System, Pittsburgh, Pennsylvania, USA
    Am J Geriatr Pharmacother 10:230-41. 2012
    ..Informal caregivers often facilitate patients' use of medications, but the effect of caregiver factors on PIM use has not been a focus of previous research...
  28. pmc A systematic review of barriers to medication adherence in the elderly: looking beyond cost and regimen complexity
    Walid F Gellad
    RAND Health, Pittsburgh, Pennsylvania 15213, USA
    Am J Geriatr Pharmacother 9:11-23. 2011
    ..Medication nonadherence is a common problem among the elderly...
  29. pmc Access to and use of $4 generic programs in Medicare
    Yuting Zhang
    Department of Health Policy and Management, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA 15261, USA
    J Gen Intern Med 27:1251-7. 2012
    ....
  30. pmc Medication adherence to multidrug regimens
    Zachary A Marcum
    Department of Medicine Geriatrics, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
    Clin Geriatr Med 28:287-300. 2012
    ..Only then can we begin to make significant improvements to the medication use process and, in turn, the health of older adults...
  31. pmc The Medicare drug benefit (Part D) and treatment of heart failure in older adults
    Julie M Donohue
    Department of Health Policy and Management, Graduate School of Public Health, University of Pittsburgh, Pittsburgh, PA 15261, USA
    Am Heart J 160:159-65. 2010
    ..We examined the impact of improvements in drug coverage under Medicare Part D on utilization of, and adherence to, medications for heart failure in older adults...
  32. pmc The Role of Opioid Analgesics in Geriatric Pain Management
    Jennifer Greene Naples
    Division of Geriatrics and Gerontology, Department of Medicine, University of Pittsburgh School of Medicine, University of Pittsburgh, 3471 Fifth Avenue, Kaufmann Medical Building Suite 500, Pittsburgh, PA 15213, USA
    Clin Geriatr Med 32:725-735. 2016
    ..Finally, to assist clinicians with selecting appropriate therapy, the article concludes with an evidence-based approach to optimize opioid prescribing in older adults with CNCP...
  33. doi request reprint Long-term disease and economic outcomes of prior authorization criteria for Hepatitis C treatment in Pennsylvania Medicaid
    Mina Kabiri
    Department of Health Policy and Management, University of Pittsburgh, Pittsburgh, PA, USA
    Healthc (Amst) . 2016
    ..As a consequence of their high price, 36 state Medicaid programs limited treatment coverage to patients with more advanced HCV stages. States have only limited information available to predict the long-term impact of these decisions...
  34. pmc Prevalence and compensation of academic leaders, professors, and trustees on publicly traded US healthcare company boards of directors: cross sectional study
    Timothy S Anderson
    Department of Internal Medicine, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
    BMJ 351:h4826. 2015
    ..To identify the prevalence, characteristics, and compensation of members of the boards of directors of healthcare industry companies who hold academic appointments as leaders, professors, or trustees...