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Hepatitis C Tracker Study

Effects of GPS Tracking on Patient Adherence to Hepatitis C Treatment Among People Experiencing Unsheltered Homelessness

Who can join

Ages 18 and older · All sexes

Inclusion Criteria:

* Diagnosed with Hepatitis C infection
* Experiencing unsheltered homelessness at study initiation
* Speaks English or Spanish
* Receiving street medicine care
* Meet the American Association for the Study of Liver Diseases (AASLD) criteria for simplified treatment of Hepatitis C

Exclusion Criteria:

* Prior engagement in HCV treatment
* Decompensated cirrhosis; HBsAg positive
* Current pregnancy; Known or suspended hepatocellular carcinoma
* Prior liver transplantation

About the study

The goal of this study is to determine if GPS tracking can enhance adherence to hepatitis C treatment among patients diagnosed with hepatitis C infection who are also experiencing unsheltered homelessness and receiving street medicine. Research will compare medication adherence among participants randomly assigned to receive standard medical care for Hepatitis C versus the standard medical care for Hepatitis C along with GPS tracking assistance.

What is being tested

• GPS tracker device (behavioral)

Sponsor: University of Southern California · Participants: 124 · Started: Aug 8, 2025

Contact the study team

• Alexis Coulourides Kogan, PhD · Phone: 626-457-4207

Official record on ClinicalTrials.gov — NCT06870019

Locations in the U.S.

Conditions

• Hepatitis C

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.