Dr. Helfrich is on Doximity
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Office
1500 E Medical Center Dr
Ann Arbor, MI 48109Phone+1 734-936-4000
Education & Training
- University of MichiganResidency, Dermatology, 2002 - 2005
- University of MichiganInternship, Internal Medicine, 2001 - 2002
- University of Michigan Medical SchoolClass of 2001
- Swarthmore CollegeBA, Latin major; Ancient History minor, High Honors, 1993 - 1997
Certifications & Licensure
- MI State Medical License 2001 - 2027
- American Board of Dermatology Dermatology
Awards, Honors, & Recognition
- CMS Meaningful Use Stage 1 Certification EpicCare Ambulatory EMR, Epic Systems Corporation, 2012-2013
- Fellow (FAAD) American Academy of Dermatology
Clinical Trials
- PK and PD Study of Calcitriol 3 mcg/g Ointment in Pediatric Subjects With Plaque Psoriasis Start of enrollment: 2013 Mar 01
- The Immunological Basis for Treatment Resistance to Anti-TNF Treatments Start of enrollment: 2014 Mar 13
- Study to Evaluate BIIB059 (Litifilimab) in Cutaneous Lupus Erythematosus (CLE) With or Without Systemic Lupus Erythematosus (SLE) Start of enrollment: 2016 Oct 20
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Publications & Presentations
PubMed
- 32 citationsAtrophic and hypertrophic photoaging: Clinical, histologic, and molecular features of 2 distinct phenotypes of photoaged skin.Dana L. Sachs, James Varani, Heather Chubb, Suzanne E.G. Fligiel, Yilei Cui
Journal of the American Academy of Dermatology. 2019-08-01 - 472 citationsInjury enhances TLR2 function and antimicrobial peptide expression through a vitamin D–dependent mechanismJürgen Schauber, Robert A. Dorschner, Alvin B. Coda, Amanda S. Büchau, Philip T. Liu
The Journal of Clinical Investigation. 2007-03-01 - 109 citationsOverview of skin aging and photoaging.Yolanda R. Helfrich, Dana L. Sachs, John J. Voorhees
Dermatology Nursing. 2008-06-01
Press Mentions
- Does Your Nose Appear Large and Red? You May Have This Type of RosaceaNovember 7th, 2020
- National Rosacea Society: New Grants Available in 2019December 19th, 2018
Committees
- Member, AAD Regulatory Policy Committee 2015 - 2017
Professional Memberships
- Fellow
- Member
- Member
- Society of Investigative DermatologyMember
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