Liron Caplan, MD, PhD
Associate Professor, Medicine-Rheumatology

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Medical School:
  • MD, Baylor College of Medicine (1999)
Graduate School :
  • PhD, University of Colorado Denver (2010)
Undergraduate School:
  • BA, University of Texas–Austin (TX) (1994)
  • Emory University Program (2000)
  • Emory University Program, Internal Medicine (2002)
  • Washington University/Barnes-Jewish Hospital/St. Louis Children's Hospital, Rheumatology (2005)
Languages: English
Department: Medicine-Rheumatology

Professional Titles

  • Section Head, Rheumatology, Rocky Mtn VAMC

Recognition & Awards

  • Top Doctors, Rheumatology, 5280 Magazine (2021)
  • ACR Early Career Investigator Delegate, ACR/EULAR International Academic Rheumatology Exchange (2013)
  • Golden Stethescope Award-Best Physical Exam Preceptor, Foundations in Doctoring Course (2011)


  • Assistant Professor (2005)
    School of Medicine, Medicine
  • Associate Professor (2012)
    School of Medicine, Medicine


  • Stoll ML, Huizar E, Caplan L. Back to the Future; Is the Schober Test Dispensable in Juvenile Spondyloarthritis? J Rheumatol. 2023 Feb 1;. doi: 10.3899/jrheum.221231. [Epub ahead of print] PubMed PMID: 36725058.
  • Sen R, Caplan L. Current treatment and molecular targets for axial spondyloarthritis: evidence from randomized controlled trials. Curr Opin Pharmacol. 2022 Dec;67:102307. doi: 10.1016/j.coph.2022.102307. Epub 2022 Nov 3. PMID: 36335714.
  • Sen R, Kim E, Napier RJ, Cheng E, Fernandez A, Manning ES, Anderson ER, Maier KD, Hashim M, Kerr GS, Fang MA, Hou JK, Chang E, Walsh JA, Raychadhuri SP, Reimold A, Caplan L. Neutrophil-to-Lymphocyte Ratio and Platelet-to-Lymphocyte Ratio as Biomarkers in Axial Spondyloarthritis: Observational Studies From the Program to Understand the Longterm Outcomes in Spondyloarthritis Registry. Arthritis Rheumatol. 2023 Feb;75(2):232-241. doi: 10.1002/art.42333. Epub 2022 Dec 23. PMID: 36053919; PMCID: PMC9892177.
  • Edward JA, Josey K, Bahn G, Caplan L, Reusch JEB, Reaven P, Ghosh D, Raghavan S. Heterogeneous treatment effects of intensive glycemic control on major adverse cardiovascular events in the ACCORD and VADT trials: a machine learning analysis. Cardiovasc Diabetol 2022 Apr 27;21(1):58 doi: PMID: 35477454
  • Raghavan S, Warsavage T, Liu WG, Raffle K, Josey K, Saxon DR, Phillips LS, Caplan L, Reusch JEB. Trends in timing of and glycemia at initiation of second-line type 2 diabetes treatment in US adults. Diabetes Care. 2022 Mar 28:dc212492. doi: 10.2337/dc21-2492. Epub ahead of print. PMID: 35344584
  • Caplan AM, Caplan L. The GRADE method. Rheum Dis Clin North Am. 2022 Aug;48(3):589-599. doi: 10.1016/j.rdc.2022.04.002. Epub 2022 Jul 5. PMID: 35953225
  • Daniel CM, Davila L, Makris UE, Mayo H, Caplan L, Davis L, Solow EB. Ethnic disparities in atherosclerotic cardiovascular disease prevalence among rheumatoid arthritis patients in the United States: a systematic review. ACR Open Rheumatology, 31 Aug 2020, 2(9):525-532 DOI: 10.1002/acr2.11170 PMID: 32869533
  • Raghavan S, Liu WG, Berkowitz SA, Barón AE, Plomondon ME, Maddox TM, Reusch JEB, Ho PM, Caplan L. Association of glycemic control trajectory with short-term mortality in diabetes patients with high cardiovascular risk: a joint latent class modeling study. J Gen Intern Med, 35(8):2266-2273, 23 Apr 2020 PMID: 32333313
  • Hirsh J, Wood P, Keniston A, Boyle D, Quinzanos I, Caplan L, Davis L. Universal health literacy precautions are associated with a significant increase in medication adherence in vulnerable rheumatology patients. ACR Open Rheumatol. 2020 Jan 19. doi: 10.1002/acr2.11108. [Epub aheadof print] PMID: 31957348
  • Dill SL, Brees K, Stahly A, Cheng E, Carpenter J, Caplan L. Mechanical shock during shipping of medications: the roles of packaging and transportation vendors. Journal of Pharmaceutical Sciences. J Pharm Sci. 2020 Jan;109(1):670-676. doi: 10.1016/j.xphs.2019.10.050. Epub 2019 Oct 31. PMID: 31678248
  • Maksymowych WP, van den Bosch F, Caplan L, Lambert RG, Østergaard M. Improving the design of randomized placebo-controlled trials for non-radiographic axial spondyloarthritis: an expert opinion. Nat Rev Rheumatol 2022 May 13. doi: 10.1038/s41584-022-00789-1. PMID: 35562426
  • Sen R, Caplan L. The never-ending conflict (of interest). Arthritis Rheumatol, 72(9):1412-1414, 20 Jul 2020 PMID: 32524736
  • Carvajal Bedoya G, Caplan L, Christopher KL, Reddy AK, Ifantides C. Tattoo granulomas with uveitis. J Investig Med High Impact Case Rep, 8:2324709620975968, 31 Dec 2019 PMID: 33238758
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Practice Locations

Rocky Mountain Regional Veterans Administration Medical Center
1700 Wheeling St
Aurora, CO 80045

Hospital Affiliation
  • University of Colorado Hospital
  • Veterans Affairs Medical Center

Specialty Information

  • Rheumatology, Board Certification (2005)
Conditions & Treatments
  • Bones, Joints and Muscles
  • Immune System - Autoimmune Disorders
  • Bones, Joints and Muscles - Osteoporosis
  • Immune System
Clinical Interests
Spondyloarthritis, Observational Trials, Health Services

General Information

Medical Schools:
  • MD, Baylor College of Medicine (1999)
Graduate Schools:
  • PhD, University of Colorado Denver (2010)
Undergraduate Schools:
  • BA, University of Texas–Austin (TX) (1994)
  • Emory University Program (2000)
Residency Programs:
  • Emory University Program, Internal Medicine (2002)
  • Washington University/Barnes-Jewish Hospital/St. Louis Children's Hospital, Rheumatology (2005)
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Languages: English
Department: Medicine-Rheumatology
Contact Us
CU Anschutz
Fitzsimons Building

13001 East 17th Place
Campus Box C290
Aurora, CO 80045

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