Top Researchers
Top Medicine Researchers at University of North Texas for 2026
The University of North Texas has a broad and active research presence in Medicine, with recent work spanning brain health, epidemiology, surgery, pediatrics, and physiology. Across a sampled set of works, the institution’s researchers appear to be addressing both clinical questions and population-level health challenges.
Below, you’ll find a closer look at several of the researchers contributing to that momentum. Their recent publications show how medicine at UNT brings together disease mechanisms, health disparities, treatment outcomes, and practical questions in care delivery.
Featured Researchers
Sid E. O’Bryant
Sid E. O’Bryant’s recent work at the University of North Texas centers on psychiatry and mental health, physiology, and public health, with publications focused on Alzheimer’s disease biomarkers and health disparities in community-based cohorts.
Activity over the last year: 52 indexed journal articles.
Top publications:
- The Alzheimer's Biomarker Consortium–Down Syndrome (ABC‐DS): A 10‐year report (May 2025)
- Health and Aging Brain Study–Health Disparities (HABS‐HD) methods and partner characteristics (Jul 2025)
- Characterization of plasma AT(N) biomarkers among a racial and ethnically diverse community‐based cohort: an HABS‐HD study (Jan 2025)
Usha Sambamoorthi
Usha Sambamoorthi’s recent publications at the University of North Texas span epidemiology, economics, and endocrinology, including studies on emergency department wait times, prostate cancer treatment patterns, and adolescent substance use.
Activity over the last year: 18 indexed journal articles.
Top publications:
- Interpretable machine learning models for prolonged Emergency Department wait time prediction (Mar 2025)
- Treatment Landscape for Older Men With Metastatic Hormone‐Sensitive Prostate Cancer in the United States (Sep 2025)
- Adolescent-specific risk and protective factors of substance use among high school students in the United States: A cross-sectional study (May 2025)
Vic Holmes
Vic Holmes’ work at the University of North Texas brings together cognitive neuroscience, clinical psychology, and experimental psychology, with recent publications touching cervical dysplasia, a rare surgical case, and recurrent bacterial vaginosis.
Activity over the last year: 11 indexed journal articles.
Top publications:
Shyamkumar Sriram
Shyamkumar Sriram’s recent research at the University of North Texas links health professions, pediatrics, and finance, with publications on COPD self-management, child nutrition inequality, and anemia diagnostics and access.
Activity over the last year: 14 indexed journal articles.
Top publications:
- Evaluating the impact of self-management interventions on COPD outcomes in low- and middle-income countries in Asia: a systematic review (Aug 2025)
- Inequality of opportunity in child nutrition in Pakistan (Feb 2025)
- Enhancing anemia diagnostics and accessibility in India: a policy recommendation for effective anemia management (May 2025)
Melissa Petersen
Melissa Petersen’s recent publications at the University of North Texas focus on psychiatry and mental health, physiology, and public health, particularly through Alzheimer’s biomarker research and work on diverse aging cohorts.
Activity over the last year: 17 indexed journal articles.
Top publications:
- The Alzheimer's Biomarker Consortium–Down Syndrome (ABC‐DS): A 10‐year report (May 2025)
- Health and Aging Brain Study–Health Disparities (HABS‐HD) methods and partner characteristics (Jul 2025)
- Characterization of plasma AT(N) biomarkers among a racial and ethnically diverse community‐based cohort: an HABS‐HD study (Jan 2025)
Nicole Phillips
Nicole Phillips’ recent work at the University of North Texas connects molecular biology, obstetrics and gynecology, and pediatrics, with publications on HABS-HD methods and genetic risk for Alzheimer’s disease and related dementias.
Activity over the last year: 16 indexed journal articles.
Top publications:
- Health and Aging Brain Study–Health Disparities (HABS‐HD) methods and partner characteristics (Jul 2025)
- APOE and Alzheimer's disease and related dementias risk among 12,221 Hispanics/Latinos (Apr 2025)
- Alzheimer's disease genetic risk: Top African American risk allele frequencies and genetic architecture among Mexican‐, African‐, and non‐Hispanic White Americans (Apr 2025)
John T. Riehl
John T. Riehl’s recent output at the University of North Texas spans epidemiology and surgery, with systematic reviews and clinical studies on fracture fixation, fracture recovery, and outcomes after knee arthroplasty.
Activity over the last year: 10 indexed journal articles.
Top publications:
- Comparison of fibula plating versus fibula nailing: A systematic review with meta-analysis of all current comparative literature (May 2025)
- Anabolic‐steroid therapy after geriatric proximal femur fracture: a level I evidence systematic review and meta-analysis of bone density, functional recovery, and safety (Nov 2025)
- Association of preoperative GLP‑1 receptor agonist use with outcomes after primary total knee arthroplasty (Nov 2025)
Joshua L. Keller
Joshua L. Keller’s recent publications at the University of North Texas sit at the intersection of complementary and alternative medicine, orthopedics and sports medicine, and biomedical engineering, with studies on microvascular responses and muscle performance.
Activity over the last year: 10 indexed journal articles.
Top publications:
- Time-course and pressure-dependent changes in microvascular responses during ischemic preconditioning (Jun 2025)
- Muscle oxidative capacity but not specific force is greater in aerobic versus resistance trained young adults (Apr 2025)
- Skeletal Muscle Resaturation Relates to Aerobic Fitness in Adults Participating in Strength and Aerobic Exercises (Apr 2025)
What University of North Texas's Medicine Community Is Working On
Across the featured researchers, the most common subfields point to a community actively working at the intersection of mental health, physiology, public health, epidemiology, and pediatric health. That mix suggests strong attention to both mechanisms and impact: understanding disease biology, measuring health outcomes, and examining how care and risk differ across populations. Recent publications also show a practical orientation, with research on biomarkers, treatment patterns, surgical outcomes, and health access shaping the broader medical conversation at the University of North Texas.- Psychiatry and Mental health - seen across 2 of the featured researchers
- Physiology - seen across 2 of the featured researchers
- Public Health, Environmental and Occupational Health - seen across 2 of the featured researchers
- Epidemiology - seen across 2 of the featured researchers
- Pediatrics, Perinatology and Child Health - seen across 2 of the featured researchers
These recent contributions show a medical research community working across disciplines and patient populations, with attention to both discovery and application. Explore the researchers below to see how their interests connect, and consider using Resub to support citation discovery, manuscript formatting, and submission preparation in your own workflow.
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