Publications by authors named "Christopher Zacker"

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Quantifying the Tolerability of Antipsychotic Treatment-Related Side Effects in Schizophrenia: A Survey Study of Patients and Caregiver Proxies.
Melissa Culhane Maravic, Kelly Birch, Anh Thy H Nguyen, Alicia Subasinghe, Elizabeth Stafford, Christopher Zacker

Patient Prefer Adherence· September 2025

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Detailing Healthcare Claims Data Evidence of Extrapyramidal Symptoms in Medicaid Patients with Schizophrenia after Second-Generation Antipsychotic Medication Initiation.
Kristin Richards, Michael Johnsrud, Christopher Zacker, Rahul Sasané

Community Ment Health J· April 2025

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Incremental healthcare costs among patients experiencing adverse events on oral antipsychotics: a real-world analysis of U.S. Medicare beneficiaries with schizophrenia.
Christopher Zacker, Justin T Puckett, Sachin Kamal-Bahl

Curr Med Res Opin· April 2025

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Real-World Effectiveness, Economic, and Humanistic Outcomes of Selected Oral Antipsychotics in Patients with Schizophrenia: A Systematic Review Evaluating Global Evidence.
Keyuri Adhikari, Khalid M Kamal, Ki Jin Jeun, David A Nolfi, Mohammed Najeeb Ashraf, Christopher Zacker

Clinicoecon Outcomes Res· September 2024

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Real-World Adherence and Discontinuation of Oral Antipsychotics and Associated Factors in a National Sample of US Medicare Beneficiaries with Schizophrenia.
Christopher Zacker, Justin T Puckett, Sachin Kamal-Bahl

Clinicoecon Outcomes Res· August 2024

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Reasons for switching oral antipsychotic medications and related patterns of care and costs in patients with schizophrenia initiating monotherapy treatment: Claims-linked chart study.
Rebecca Fee, Noah Webb, Laura Dick, John White, Breanna Essoi, Christopher Zacker

J Manag Care Spec Pharm· July 2024

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Patterns of care and costs of switching oral antipsychotic medications in patients with schizophrenia initiating monotherapy treatment: A US claims analysis.
Rebecca Fee, Noah Webb, Laura Dick, John White, Breanna Essoi, Christopher Zacker

J Manag Care Spec Pharm· June 2024

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One-Year Medication Treatment Patterns, Healthcare Resource Utilization, and Expenditures for Medicaid Patients with Schizophrenia Starting Oral Atypical Antipsychotic Medication.
Kristin Richards, Michael Johnsrud, Christopher Zacker, Rahul Sasané

Adm Policy Ment Health· March 2024

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A systematic review of the real-world effectiveness and economic and humanistic outcomes of selected oral antipsychotics among patients with schizophrenia in the United States: Updating the evidence and gaps.
Ki Jin Jeun, Khalid M Kamal, Keyuri Adhikari, David A Nolfi, Md Najeeb Ashraf, Christopher Zacker

J Manag Care Spec Pharm· February 2024

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Association Between Persistence with Oral Atypical Antipsychotic Medications and Hospital and Emergency Department Utilization in Medicaid Patients with Schizophrenia.
Kristin Richards, Michael Johnsrud, Christopher Zacker, Rahul Sasané

Patient Prefer Adherence· January 2024

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A Comprehensive Review of Methods to Measure Oral Oncolytic Dose Intensity Using Retrospective Data.
Julia F Slejko, Juan-David Rueda, James A Trovato, Emily F Gorman, Gail Betz, Christopher Zacker

J Manag Care Spec Pharm· October 2019

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Quantification of Economic Impact of Drug Wastage in Oral Oncology Medications: Comparison of 3 Methods Using Palbociclib and Ribociclib in Advanced or Metastatic Breast Cancer.
Joseph Biskupiak, Gary Oderda, Diana Brixner, Derek Tang, Christopher Zacker

J Manag Care Spec Pharm· August 2019

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The Value of Progression-Free Survival in Metastatic Breast Cancer: Results From a Survey of Patients and Providers.
Joanna P MacEwan, Jason Doctor, Karen Mulligan, Suepattra G May, Katharine Batt, Christopher Zacker

MDM Policy Pract· June 2019

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Barriers and facilitators to shared decision-making in oncology: a systematic review of the literature.
Jordan R Covvey, Khalid M Kamal, Erin E Gorse, Zumi Mehta, Trupti Dhumal, Christopher Zacker

Support Care Cancer· May 2019

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Modeling Episode-Based Payments for Cancer Using Commercial Claims Data.
Michael Polson, Todd Lord, Themmi Evangelatos, Anne Kangethe, Lindsay C Speicher, Christopher Zacker

J Manag Care Spec Pharm· February 2019

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Drug Treatment Value in a Changing Oncology Landscape: A Literature and Provider Perspective.
Christian Frois, Andrew Howe, John Jarvis, Kathryn Grice, Ken Wong, Christopher Zacker

J Manag Care Spec Pharm· February 2019

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Cost variation and savings opportunities in the Oncology Care Model.
James Baumgardner, Ahva Shahabi, Christopher Zacker, Darius Lakdawalla

Am J Manag Care· December 2018

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Share of Oncology Versus Nononcology Spending in Episodes Defined by the Centers for Medicare & Medicaid Services Oncology Care Model.
James R Baumgardner, Ahva Shahabi, Mark T Linthicum, Christopher Zacker, Darius N Lakdawalla

J Oncol Pract· November 2018

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Greater Spending Associated with Improved Survival for Some Cancers in OCM-Defined Episodes.
James Baumgardner, Ahva Shahabi, Mark Linthicum, Seanna Vine, Christopher Zacker

J Manag Care Spec Pharm· June 2018

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Placement of selected new FDA-approved drugs in Medicare Part D formularies, 2009-2013.
Bruce C Stuart, Sarah E Tom, Michelle Choi, Abree Johnson, Kai Sun, Christopher Zacker

Am J Manag Care· June 2018

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The impact of self- and physician-administered cancer treatment on work productivity and healthcare utilization.
Seth A Seabury, Melissa A Frasco, Emma van Eijndhoven, Steve Sison, Christopher Zacker

Res Social Adm Pharm· May 2018

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A Systematic Review of the Effect of Cancer Treatment on Work Productivity of Patients and Caregivers.
Khalid M Kamal, Jordan R Covvey, Ankur Dashputre, Somraj Ghosh, Surbhi Shah, Christopher Zacker

J Manag Care Spec Pharm· February 2017

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Prevalence and correlates of medication non-adherence among kidney transplant recipients more than 6 months post-transplant: a cross-sectional study.
Francis L Weng, Sheenu Chandwani, Karen M Kurtyka, Christopher Zacker, Marie A Chisholm-Burns

BMC Nephrol· December 2013

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Results of the CAPPS: COPD--assessment of practice in primary care study.
Daniel Belletti, Jia Liu, Christopher Zacker, Jenifer Wogen

Curr Med Res Opin· August 2013

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Hypertension treatment and control among 28 physician practices across the United States: results of the Hypertension: Assessment of Treatment to Target (HATT) Study.
Daniel A Belletti, Christopher Zacker, Jenifer Wogen

J Clin Hypertens (Greenwich)· August 2010

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