For Health Professionals

Advanced Liver Therapies Research

Advanced Liver Therapies (ALT) at Baylor College of Medicine is a clinical research center for liver diseases affiliated with Baylor St. Luke’s Medical Center. The mission is to conduct Food & Drug Administration (FDA) approved clinical studies designed to advance the science and practice of hepatology and liver transplantation. With over 75 years of combined research experience, our staff endorses and practices the highest standards of ethical research, while providing opportunities for all patients to participate in clinical trials.

Advanced Liver Therapies provides studies for new therapies of liver disease and complications associated with those diseases. We conduct studies for a variety of liver diseases:

  • Fatty Liver Disease (Nonalcoholic fatty liver disease / Non-Alcoholic SteatoHepatitis)
  • Autoimmune Hepatitis
  • Hepatic Encephalopathy
  • Primary Biliary Cirrhosis
  • Primary Sclerosing Cholangitis
  • Hepatorenal Syndrome
  • Cirrhosis

For further studies and information on clinical trials, please visit here. For general information in regards to studies, please visit

Meet Our Team

Director and Principal Investigator

Dr. John M. Vierling is a Professor of Medicine and Surgery and Chief of Hepatology. He is also the director and principal investigator at Advanced Liver Therapies, a clinical research unit devoted to patients with hepatobiliary diseases. He is board certified in internal medicine and gastroenterology and a Fellow of the American College of Physicians, American Association for the study of liver diseases, and American Gastroenterology Association. 


Tri Nguyen – Manager
Paula Westergren, FNP - Research Nurse Practitioner
Jana Lee, RN - Research Nurse
Eva Zimmerman - Regulatory Coordinator
Catalina Gutierrez - Senior Research Coordinator
Kathy Cambiano - Senior Research Coordinator
Thuy-An Nguyen – Senior Project Coordinator
Francis Nguyen – Project Coordinator

Contact Us

Paula Westergren, FNP

6620 Main Street, Suite 1505 Houston, Texas 77030

Phone calls and emails seeking information about liver disease and our studies are always welcomed. Please include your phone number and email address. A member of our research team will contact you.