Elizabeth Anne Regan, MD, PhD

Elizabeth Anne Regan
Associate Professor
Department of Medicine
Division of Rheumatology
Elizabeth Anne Regan, MD, is an orthopedic surgeon at National Jewish Health. Dr. Regan is in the Division of Rheumatology and Department of Medicine.

Research AreasResearch Areas
  • Genetic Associations with Musculoskeletal Disease Genetics
  • Genetics of COPD
  • Musculoskeletal Conditions (Osteoarthritis and Osteoporosis) in Association with COPD
  • Osteoarthritis
  • Oxidants and Antioxidants in the Pathophysiology of Osteoarthritis
  • Oxidative Stress
  • Use of SOD Mimetics in Orthopedic Injuries

Special Interests

Clinical Interests

I am interested in diseases and problems of the aging musculoskeletal system particularly arthritis, tendonitis and the aging athlete and the impact of reactive oxygen species and scavenging capacity on those conditions.

I see local and non-local adult patients for orthopedic problems, but only by referral from a National Jewish Health physician.


University of Colorado Denver, PhD
University of Massachusetts Medical School (Worchester, MA), MD
Boston College (Chestnut Hill, MA), BS, Chemistry, Magna Cum Laude
University of Colorado Health Sciences Center, Denver, CO, Orthopedic Surgery

Board Certification

American Board of Orthopaedic Surgery

Professional Memberships

American Academy of Orthopaedic Surgeons
Orthopedics Overseas
Ruth Jackson Orthopedic Society
Society for Free Radicals in Biology and Medicine
Osteoarthritis Research Society International (OARSI)
Orthopedic Trauma Association
Orthopaedic Research Society


Regan EA, Flannelly JK, Bowler RP, Tran K, Duda B, Nicks M, Glueck D, Mason RM, Crapo JD. Extracellular superoxide dismutase and oxidant stress in osteoarthritis. Arthritis and Rheumatism, 52:11, 3479-3491, 2005.

Regan EA, Bowler RP, Crapo JD. Joint fluid antioxidants are decreased in osteoarthritic joints compared to joints with macroscopically intact cartilage and subacute injury. Osteoarthritis Cartilage (2008)16, 515-521.

Regan EA, Hokanson JE, Murphy JR, Make B, Lynch DA, Beaty TH, Curran-Everett D, Silverman EK, Crapo JD.  Genetic epidemiology of COPD (COPDGene) Study Design. COPD 7(1):32-43. 

Regan EA, Mazur W,  Meoni E, Toljamo T, Millar J, Vuopala K, Bowler RP, Rahman I, Nicks ME, Crapo JD, Kinnula VL. Smoking and COPD increase sputum levels of extracellular superoxide dismutase. Free Radic  Biol Med. 2011 Aug 1:51(3) 726-32.

Regan EA. COPD is a major risk factor for complications and death in hip fractures. COPD. In review.

Contact Information

  • Office: 877.225.5654



  • National Jewish Health Main Campus
    1400 Jackson St.
    Denver, CO 80206

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