Dr. Stephen Harrison

Dr. Stephen Harrison, MD, FACP, FAASLD

Dr. Stephen Harrison was a hepatologist and clinical researcher who was based at Pinnacle Clinical Research and Summit Clinical Research in San Antonio, Texas. He was known for clinical trials in fatty liver disease (NASH/MASH).

Dr. Stephen A. Harrison passed away on April 23, 2024. He founded Pinnacle Clinical Research, co-founded and chaired Summit Clinical Research in San Antonio, and was a visiting professor of hepatology at the University of Oxford. He was lead investigator on many of the drug programmes that shaped treatment of fatty liver disease. This profile is kept as a record of his work; he is no longer available for appointments.

About Dr. Stephen Harrison

• Full Name: Stephen Harrison, MD, FACP, FAASLD
• Credentials: MD, FACP, FAASLD
• Specialty: Hepatology (liver disease)
• Subspecialty and Expertise: Fatty liver disease (NAFLD/NASH, now MASLD/MASH); clinical trial design; noninvasive liver testing
• Current Role: Deceased (April 23, 2024). Formerly Chairman of Pinnacle Clinical Research and Summit Clinical Research, and Visiting Professor of Hepatology, Radcliffe Department of Medicine, University of Oxford
• Years in Practice: About 30 years of liver research before his death in 2024
• Languages: English (confirm with the office)
• Gender: Male
• New Patients: Not applicable; Dr. Harrison passed away in April 2024
• Telehealth: Not applicable
• NPI: Not applicable; Dr. Harrison passed away in April 2024

Address & Contact

• Practice: Pinnacle Clinical Research and Summit Clinical Research
• Address: Not applicable. Summit Clinical Research continues to run fatty liver trials in San Antonio, Texas
• Phone: Not applicable
• Fax and Email: No public fax or professional email listed on the profiles reviewed
• Website: Summit Clinical Research website
• Appointments: Not applicable; appointments cannot be booked
• Office Hours: Not applicable

Specialties & Education

Conditions treated, procedures and areas of expertise listed in public professional profiles for Dr. Stephen Harrison:

• Fatty liver disease and MASH (research focus)
• Liver fibrosis and noninvasive testing
• Chronic hepatitis C (earlier research)

Education and training:

• Medical Degree: University of Mississippi School of Medicine
• Internal Medicine Residency and Gastroenterology Fellowship: Brooke Army Medical Center
• Advanced Liver Disease Fellowship: Saint Louis University

Certifications, License & Affiliations

• Board Certification: Internal medicine and gastroenterology (per published biographies)
• Medical License: Not applicable
• Hospital and Academic Affiliations: Pinnacle Clinical Research and Summit Clinical Research, San Antonio; Radcliffe Department of Medicine, University of Oxford. Previously Brooke Army Medical Center and Uniformed Services University

Insurance

Not applicable. Dr. Harrison passed away in April 2024. Patients seeking fatty liver clinical trials can contact Summit Clinical Research or a hepatologist directly.

Fees

Not applicable.

Professional Information

• Served 20 years in the US Army, retiring as a Colonel in 2016; Gastroenterology Consultant to the Army Surgeon General
• More than 350 peer-reviewed publications with an H-index above 100
• Lead principal investigator for numerous MASH drug development programmes
• Former associate editor of Hepatology and Alimentary Pharmacology and Therapeutics

Reviews & Ratings

Not applicable. Find MD Health does not publish ratings for this profile.

Verification

• Cardiometabolic Health Congress tribute “Remembering Dr. Stephen Harrison”, checked October 1, 2026
• Academic Medical Education memorial biography (April 29, 2024), checked October 1, 2026
• AASLD speaker biography, checked October 1, 2026
• Profile compiled October 1, 2026. Details marked as being confirmed should be checked against the official sources above.

Frequently Asked Questions

What is Dr. Stephen Harrison known for?

Dr. Stephen Harrison was known for leading clinical trials in fatty liver disease (NASH/MASH). He passed away on April 23, 2024.

Where does Dr. Stephen Harrison practice?

He worked at Pinnacle Clinical Research and Summit Clinical Research in San Antonio, Texas, and was a visiting professor at the University of Oxford.

What conditions does Dr. Stephen Harrison treat?

His work focused on fatty liver disease research. He is no longer seeing patients.

How can I book an appointment with Dr. Stephen Harrison?

Appointments cannot be booked because Dr. Harrison passed away in April 2024. Please choose another hepatologist from the Find MD Health directory.

Find MD Health Disclaimer

Provider location, specialty information, insurance participation, and availability may change. Confirm current details directly with Summit Clinical Research for current trials.