Our faculty and staff are leading or are involved with diverse and compelling basic and clinical research projects, some of which are highlighted below. We receive numerous awards and grants to support our research endeavors - our division obtained over $12 million in federal, industry, and foundation funding in the 2019 fiscal year.
A Statewide Collaborative Quality Initiative to Improve Antibiotic Duration and Outcomes of Patients Hospitalized with Uncomplicated Community-Acquired Pneumonia
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Areas of Current Research
- Basic mechanisms of immune system evasion by HIV. HIV establishes a chronic progressive infection despite an immune response that responds to the virus
- Basic mechanisms of viral evolution. The AIDS pandemic and the resurgence of influenza highlight the ability of viruses to evolve, mutate, and avoid traditional approaches to their control - vaccines and antiviral drugs
- Interactions of retroviruses, including HIV, with human cellular factors
- Molecular and cellular mechanisms responsible for viral assembly and antiviral responses
- Basic physiology and ecology of microbes. Microbial communities are diverse in multiple environments, including the soil and in mammalian microbiomes
- GI Microbiome. The GI microbial community is sizable and much of it remains unknown by standard culture techniques
- No-touch room disinfection. Rates of hospital-acquired infections in units where pulsed xenon UV light (PX-UV) are added to cleaning routines
Basic Research Project Highlights
- Microbiome Disruption and Enterobacteriaceae Dominance As a Risk Factor for Sepsis in Intensive Care Patients
- Integrated Modeling of Klebsiella Pneumoniae Infections Based on Bacterial Genotype, Patient Factors, and Colonization Status
- Longitudinal Impact of Prophylactic Antibiotic Use on the Gut Microbiota in Healthy Human Populations
- Host and Microbial Biomarkers Related to the Development of Complicated Clostridium difficile Infection
- Systems Biology of Clostridium difficile Infection
Clinical Research Project Highlights
The purpose of this study is to compare the efficacy of fidaxomicin and oral vancomycin for the treatment of clostridium difficile infection (CDI) in hospitalized patients receiving concomitant antibiotics for the treatment of concurrent systemic infections.
The purpose of this study is to assess the efficacy and safety of maribavir treatment compared to investigator-assigned treatment in transplant recipients with cytomegalovirus (CMV) Infections that are refractory or resistant to treatment with ganciclovir, valganciclovir, foscarnet, or cidofovir.
The primary objective of this study is to assess the clinical and antiviral efficacy and safety of nitazoxanide for the treatment of norovirus in hematopoietic stem cell and solid organ transplant recipients.
The primary objective of this study is to evaluate the efficacy of letermovir (LET) versus valganciclovir (VGCV) in preventing CMV disease in adult kidney transplant recipients.
Significant Research Achievements
Clostridium Difficile (C. diff) in the 1970s
“The biggest and sentinel event for the division [in the 1970s] centered on the discovery of Clostridium difficile colitis" - Joseph Silva, Jr., MD, division member 1972-1982.
Robert Fekety, MD, the first chief of the Division of Infectious Diseases, and his research group was one of the first teams to report on a filterable toxin of C. diff as causing pseudomembranous colitis. Fekety’s group was one of the key early studies in identifying C. diff as the cause of antibiotic-associated pseudomembranous colitis. He and others did this by showing that a filterable substance, a toxin produced from Clostridia difficile, could cause pseudomembranous colitis in a hamster. He then made correlations in observations of humans. Today, C. diff remains a major problem in medicine, as it is occurring more frequently than in the past and is resulting in more severe disease, as well as being refractory to standard therapy with an unacceptably high relapse rate. Our researchers are studying not just the single organism that causes disease, but also what changes occur in the entire intestinal microbiome that correspond to active C. diff infection. Other investigators are studying biomarkers as predictors of the severity of C. diff that will be useful in guiding management of disease.
Aging and Infection Prevention Research in the 1980's
For decades, Hospital Epidemiology focused exclusively on the prevention and control of infectious diseases only within the hospital setting. Only in the 1980’s, when major outbreaks of infection in hospitals were traced to nursing homes and the community, did Hospital Epidemiology become Healthcare Epidemiology. The Ann Arbor Veterans Affairs Infectious Diseases Section Faculty (Drs. Carol Kauffman, Suzanne Bradley, and Dennis Schaberg) and many Fellows (Drs. Nancy McGuire, Alfred Bacon, Carol Chenoweth, Joan Duggan, Preeti Malani, Shelly McNeil, Hector Bonilla, Sara Hedderwick, and Anurag Malani) were at the forefront of defining how older adults responded to infection and how the clinical aspects of various infections differed with aging. They were one of the first groups to study the risk factors for colonization and infection with antibiotic-resistant microorganisms and the transmission of these organisms, including methicillin-resistant Staphylococcus aureus, high-level gentamicin-resistant and vancomycin-resistant enterococci, and fungi within the nursing home setting. The results of these studies often challenged those assumptions previously derived from the hospital experience about optimal infection control procedures in these resource-limited settings and helped drive change in infection control policy and practice in nursing homes at national and international levels.
Fungal Spinal Meningitis 2012
Michigan was an epicenter of spinal meningitis complicating spinal injections of a steroid preparation that was contaminated during the compounding process by the manufacturer. Carol Kauffman, MD, assumed a national leadership position in providing guidelines and recommendations on diagnosis and the optimal combined medical and surgical treatment of these infections.
- Christine M. Bassis, PhD
- Suzanne F. Bradley, MD
- Carol E. Chenoweth, MD
- Sandro K. Cinti, MD
- Kathleen L. Collins, MD, PhD
- Rafael Contreras-Galindo, PhD
- N. Cary Engleberg, MD, DTMH
- Tejal N. Gandhi, MD
- Jonathan Golob, MD PhD
- Kevin S. Gregg, MD
- Mark H. Kaplan, MD
- Carol A. Kauffman, MD
- Daniel R. Kaul, MD
- Keith S. Kaye, MD, MPH
- Powel H. Kazanjian,MD, PhD
- Steven R. King, PhD
- Adam S. Lauring, MD, PhD
- Kathleen A. Linder, MD
- Anurag N. Malani, MD
- Preeti N. Malani, MD
- David M. Markovitz, MD
- Marisa H. Miceli, MD
- John P. Mills, MD
- Nirit Mor-Vaknin, PhD
- Payal K. Patel, MD
- Lindsay A. Petty, MD
- Laura E. Power, MD, MPH
- Krishna Rao, MD
- James Riddell IV, MD
- Thomas Schmidt, PhD
- Emily K. Shuman, MD
- Evan S. Snitkin, PhD
- Steven F. Stoddard, PhD
- Laraine L. Washer, MD
- Robert J. Woods, MD, PhD
- Vincent B. Young, MD, PhD