ChristopherMCallahanMD

Geriatrics • Indianapolis, IN

Professor, Medicine, Indiana University School of Medicine

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Office
720 Eskenazi Ave
Indianapolis, IN 46202
Phone+1 317-880-6600

Fax+1 317-880-0406
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Education & Training

Indiana University School of MedicineResidency, Internal Medicine, 1988 - 1991
Baylor College of MedicineResidency, Internal Medicine, 1985 - 1988
Saint Louis University School of MedicineClass of 1985

Certifications & Licensure

IN State Medical License 1987 - 2025
American Board of Internal Medicine Internal Medicine

Publications & Presentations

PubMed

Career development in pragmatic clinical trials to improve care for people living with dementia.
Jennifer Gabbard, Tina R Sadarangani, Rupak Datta, Chanee D Fabius, Cameron J Gettel, Natalie F Douglas, Lisa A Juckett, Andrew M Kiselica, Komal Patel Murali, Ellen P...> ;Journal of the American Geriatrics Society. 2023 Nov 1
Robotic-assisted collaborative care.
Christopher M Callahan, Jurgen Unutzer> ;Journal of the American Geriatrics Society. 2022 Sep 1
25 citations
Usability and feasibility of consumer-facing technology to reduce unsafe medication use by older adults.
Richard J. Holden, Noll L. Campbell, Ephrem Abebe, Daniel O. Clark, Denisha Ferguson, Kunal Bodke, Malaz Boustani, Christopher M. Callahan> ;Research in Social & Administrative Pharmacy. 2020 Jan 1
6 citations
Reliability and Validity of SymTrak, a Multi-Domain Tool for Monitoring Symptoms of Older Adults with Multiple Chronic Conditions.
Patrick O. Monahan, Kurt Kroenke, Christopher M. Callahan, Tamilyn Bakas, Amanda Harrawood, Phillip Lofton, Danielle Frye, Claire Burke Draucker, Timothy E. Stump, Deb...> ;Journal of General Internal Medicine. 2019 Apr 18
19 citations
Communication Quality Predicts Psychological Well-Being and Satisfaction in Family Surrogates of Hospitalized Older Adults: An Observational Study.
Alexia M. Torke, Christopher M. Callahan, Greg A. Sachs, Lucia D. Wocial, Paul R. Helft, Patrick O. Monahan, James E. Slaven, Kianna Montz, Emily S. Burke, Lev Inger> ;Journal of General Internal Medicine. 2018 Mar 1
5 citations
Effect of collaborative depression treatment on risk for diabetes: A 9-year follow-up of the IMPACT randomized controlled trial.
Tasneem Khambaty, Christopher M. Callahan, Jesse C. Stewart> ;Plos One. 2018 Aug 23
State of Science: Bridging the Science‐Practice Gap in Aging, Dementia and Mental Health
Christopher M Callahan, Sophia Wang, Daniel R Bateman, Malaz A Boustani> ;Journal of the American Geriatrics Society.
14 citations
Quality of Hospice Care at Home Versus in an Assisted Living Facility or Nursing Home.
Kathleen T. Unroe, Timothy E. Stump, Shannon Effler, Wanzhu Tu, Christopher M. Callahan> ;Journal of the American Geriatrics Society. 2018 Apr 1
54 citations
Home is where the future is: The BrightFocus Foundation consensus panel on dementia care.
Quincy M. Samus, Betty S. Black, Diane E. Bovenkamp, Michael Buckley, Christopher M. Callahan, Karen D. Davis, Laura N. Gitlin, Nancy A. Hodgson, Deirdre Johnston, Hel...> ;Alzheimer's & Dementia. 2018 Jan 1
17 citations
Alzheimer's Disease: Individuals, Dyads, Communities, and Costs.
Christopher M. Callahan> ;Journal of the American Geriatrics Society. 2017 May 1
2 citations
Does Body Mass Index Modify Memory, Reasoning, and Speed of Processing Training Effects in Older Adults.
Clark, D. O., Clark, D. O., Xu, H., Xu, H., Callahan, C. M., Callahan, C. M., Unverzagt, F. W., Unverzagt, F. W.> ;Obesity (Silver Spring, Md.). 2016 Nov 3
5 citations
Correlation Between Caregiver Reports of Physical Function and Performance-based Measures in a Cohort of Older Adults With Alzheimer Disease.
Brittany L. Bernard, Lauren E. Bracey, Kathleen A. Lane, Denisha Y. Ferguson, Michael A. LaMantia, Sujuan Gao, Douglas K. Miller, Christopher M. Callahan> ;Alzheimer Disease and Associated Disorders. 2016 Apr 1
34 citations
Nursing Home Staff Palliative Care Knowledge and Practices: Results of a Large Survey of Frontline Workers
Kathleen T. Unroe, John G. Cagle, Kathleen A. Lane, Christopher M. Callahan, Susan C. Miller> ;Journal of Pain and Symptom Management. 2015 Nov 1
11 citations
Hospice Use Among Nursing Home and Non-Nursing Home Patients
Kathleen T. Unroe, Greg A. Sachs, M. E. Dennis, Susan E. Hickman, Timothy E. Stump, Wanzhu Tu, Christopher M. Callahan> ;Journal of General Internal Medicine. 2015 Feb 1
26 citations
Comprehensive gene- and pathway-based analysis of depressive symptoms in older adults
Kwangsik Nho, Vijay K. Ramanan, Emrin Horgusluoglu, Sungeun Kim, Mark Inlow, Shannon L. Risacher, Brenna C. McDonald, Martin R. Farlow, Tatiana Foroud, Sujuan Gao, Chr...> ;Journal of Alzheimer's Disease. 2015 Jan 1
Errors in Self-Reports of Health Services Use: Impact on Alzheimer Disease Clinical Trial Designs.
Callahan, C. M.,Tu, W.,Stump, T. E.,Clark, D. O.,Unroe, K. T.,Hendrie, H. C.> ;Alzheimer Dis Assoc Disord. 2014 May 23
Translational research on aging: clinical epidemiology as a bridge between the sciences.
Callahan, C. M.,Foroud, T.,Saykin, A. J.,Shekhar, A.,Hendrie, H. C.> ;Transl Res. 2013 Oct 05
42 citations
Health Outcomes and Cost of Care Among Older Adults with Schizophrenia: A 10-Year Study Using Medical Records Across the Continuum of Care
Hugh C. Hendrie, Wanzhu Tu, Rebeka Tabbey, Christianna Purnell, Roberta Ambuehl, Christopher M. Callahan> ;The American Journal of Geriatric Psychiatry. 2014 May 1
19 citations
Validity and reliability of the Self-Reported Physical Fitness (SRFit) survey.
NiCole R. Keith, Daniel O. Clark, Timothy E. Stump, Douglas K. Miller, Christopher M. Callahan> ;Journal of Physical Activity & Health. 2014 May 1
123 citations
Scope and Outcomes of Surrogate Decision Making Among Hospitalized Older Adults
Alexia M. Torke, Greg A. Sachs, Paul R. Helft, Kianna Montz, Siu L. Hui, James E. Slaven, Christopher M. Callahan> ;JAMA Internal Medicine. 2014 Mar 1
10 citations
Impact of Noncaregiving-Related Stressors on Informal Caregiver Outcomes.
Mary Guerriero Austrom, Yvonne Yueh-Feng Lu, Anthony J. Perkins, Malaz Boustani, Christopher M. Callahan, Hugh C. Hendrie> ;American Journal of Alzheimer's Disease and Other Dementias. 2014 Jan 9
42 citations
Redefined Blood Pressure Variability Measure and Its Association With Mortality in Elderly Primary Care Patients
Sujuan Gao, Hugh C. Hendrie, Chenkun Wang, Timothy E. Stump, Jesse C. Stewart, Joe Kesterson, Daniel O. Clark, Christopher M. Callahan> ;Hypertension. 2014 Jan 1
Comorbidity profile and healthcare utilization in elderly patients with serious mental illnesses.
Hendrie, H. C.,Lindgren, D.,Hay, D. P.,Lane, K. A.,Gao, S.,Purnell, C.,Munger, S.,Smith, F.,Dickens, J.,Boustani, M. A.,Callahan, C. M.> ;Am J Geriatr Psychiatry. 2013 Nov 12
7 citations
Increase in blood pressure precedes clinical depression in elderly primary care patients
Sujuan Gao, Hugh C. Hendrie, Lili Yang, Timothy E. Stump, Jesse C. Stewart, Joe Kesterson, Daniel O. Clark, Christopher M. Callahan> ;International Journal of Geriatric Psychiatry. 2013 Oct 1
Optimal Blood Pressure for Cognitive Function: Findings from an Elderly African-American Cohort Study.
Liu, H.,Gao, S.,Hall, K. S.,Unverzagt, F. W.,Lane, K. A.,Callahan, C. M.,Hendrie, H. C.> ;J Am Geriatr Soc. 2013 Jun
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Press Mentions

Can Occupational Therapy Slow Alzheimer's Decline?November 21st, 2016
IU Center for Aging Research Founding Director Honored by American Geriatrics SocietyMay 11th, 2016
100 Million Americans Live with Chronic Pain, but Treatment Research Is InsufficientJanuary 13th, 2015
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