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Hepatitis C Treatment to Prevent HIV, Initiate Opioid Substitution Therapy, and Reduce Risky Behavior

A Novel Model of Hepatitis C Treatment as Anchor to Prevent HIV, Initiate Opioid Substitution Therapy, and Reduce Risky Behavior

Status
Completed
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT03221309
Acronym
ANCHOR
Enrollment
198
Registered
2017-07-18
Start date
2017-05-01
Completion date
2021-02-22
Last updated
2026-05-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Buprenorphine, HCV, PreP

Brief summary

This is an open label, non-randomized, observational pilot study to evaluate a model of care for treatment of hepatitis C in people with ongoing injection drug use. Participants will be treated with direct-acting antivirals (DAA) as per standard of care and will concomittantly be offered pre-exposure prophylaxis for HIV prevention and buprenorphine for treatment of opioid use disorder when clinically indicated.

Detailed description

Hepatitis C (HCV) is a chronic infection with significant morbidity and mortality. The development of directly acting antivirals (DAA) has dramatically improved the cure rate of HCV treatment. However, despite the availability of effective therapy, the global epidemic of HCV infection continues to be driven by people with ongoing injection drug use (PWID), who are largely excluded from HCV therapy. Several critical barriers exist preventing high-risk patients' entry to care, including (1) lack of engagement in the traditional healthcare system by marginalized patient populations, and (2) insurance restrictions due to concerns regarding treatment adherence and HCV reinfection. Furthermore, ongoing injection drug use places these individuals at high risk of HIV acquisition. However, studies have repeatedly demonstrated that pre-exposure prophylaxis (PrEP) reduces HIV acquisition and opioid substitution therapy with buprenorphine reduces HIV and HCV acquisition in PWID. As such, we propose a comprehensive model of care to engage individuals with ongoing injection drug use in treatment of HCV, in conjunction with collocated services to prevent HIV acquisition and HCV reinfection, including pre-exposure prophylaxis and opioid substitution therapy. This pilot trial will demonstrate whether a comprehensive model of care can simultaneously treat HCV, and prevent HCV reinfection, HIV acquisition and effectively treat opioid use disorder.

Interventions

OTHEREvaluate model of care for HCV-infected adults with on-going opioid misuse

Participants will be treated with direct-acting antivirals per standard of care and will be concomittantly be offered PreP for HIV prevention and buprenorphine for treatment of opioid-use disorder when clinically indicated

Sponsors

University of Maryland, Baltimore
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
PROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Age 18 years old 2. Able and willing to sign informed consent 3. Chronically infected with HCV, defined as any individual with documentation of positive HCV antibody and positive HCV RNA test (HCV RNA of 2,000 IU/mL or greater). 4. Willing to have samples stored for future use 5. Ongoing injection drug use, defined as self-report of either: 1. Phase 1 (first 100 enrolled participants) Injection non-prescription drug use within three months of screening visit or 2. Phase 2 (enrolled participants 101-200) Use of non-prescription opioids within twelve months of screening visit

Exclusion criteria

1. Decompensated liver disease (Childs Pugh B or C) 2. Unable to comply with research study visits 3. Poor venous access not allowing screening laboratory collection 4. Have any condition that the investigator considers a contraindication to study participation 5. Pregnant or breastfeeding woman

Design outcomes

Primary

MeasureTime frameDescription
Hepatitis C Virus (HCV) Cure (Sustained Virologic Response)24 weeksUndetectable HCV viral load 12 weeks after the end of treatment

Secondary

MeasureTime frameDescription
Uptake of HIV Pre-exposure Prophylaxis (PrEP)24 weeksNumber of participants who initiated PrEP between Day 0 and Week 24
Retention on HIV PrEP48 weeksNumber of participants who initiated PrEP between Day 0 and Week 24 and continued on PrEP through week 48
Uptake of Buprenorphine24 weeksNumber of participants who initiated on-site co-located buprenorphine between Day 0 and Week 24
Retention in Buprenorphine Program48 weeksNumber of participants who initiated buprenorphine between Day 0 and Week 24 and were retained in buprenorphine treatment at week 48

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORElana Rosenthal, MD

University of Maryland

Participant flow

Participants by arm

ArmCount
Adults Infected With HCV
Phase 1 (first 100 enrolled participants) HCV-infected adults with on-going injection drug use use with opioids with 3 months of screening Phase 2 (enrolled participants 101-200) HCV-infected adults with on-going opioid misuse of non-prescription opioids within twelve months of screening Evaluate model of care for HCV-infected adults with on-going opioid misuse: Participants will be treated with direct-acting antivirals per standard of care and will be concomittantly be offered PreP for HIV prevention and buprenorphine for treatment of opioid-use disorder when clinically indicated
198
Total198

Baseline characteristics

CharacteristicAdults Infected With HCV
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
16 Participants
Age, Categorical
Between 18 and 65 years
182 Participants
Age, Continuous57 years
Chronic HCV Infection198 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
197 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
1 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
165 Participants
Race (NIH/OMB)
More than one race
4 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
2 Participants
Race (NIH/OMB)
White
26 Participants
Region of Enrollment
United States
198 participants
Sex: Female, Male
Female
63 Participants
Sex: Female, Male
Male
135 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
14 / 198
other
Total, other adverse events
0 / 198
serious
Total, serious adverse events
0 / 198

Outcome results

Primary

Hepatitis C Virus (HCV) Cure (Sustained Virologic Response)

Undetectable HCV viral load 12 weeks after the end of treatment

Time frame: 24 weeks

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Adults Infected With Hepatitis C Virus (HCV)Hepatitis C Virus (HCV) Cure (Sustained Virologic Response)158 Participants
Secondary

Retention in Buprenorphine Program

Number of participants who initiated buprenorphine between Day 0 and Week 24 and were retained in buprenorphine treatment at week 48

Time frame: 48 weeks

Population: Patients who initiated buprenorphine between Day 0 and Week 24

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Adults Infected With Hepatitis C Virus (HCV)Retention in Buprenorphine Program41 Participants
Secondary

Retention on HIV PrEP

Number of participants who initiated PrEP between Day 0 and Week 24 and continued on PrEP through week 48

Time frame: 48 weeks

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Adults Infected With Hepatitis C Virus (HCV)Retention on HIV PrEP8 Participants
Secondary

Uptake of Buprenorphine

Number of participants who initiated on-site co-located buprenorphine between Day 0 and Week 24

Time frame: 24 weeks

Population: Patients not on MOUD at time of ANCHOR screening

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Adults Infected With Hepatitis C Virus (HCV)Uptake of Buprenorphine61 Participants
Secondary

Uptake of HIV Pre-exposure Prophylaxis (PrEP)

Number of participants who initiated PrEP between Day 0 and Week 24

Time frame: 24 weeks

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Adults Infected With Hepatitis C Virus (HCV)Uptake of HIV Pre-exposure Prophylaxis (PrEP)29 Participants

Source: ClinicalTrials.gov · Data processed: May 5, 2026