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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT04652804
Other study ID # IRB00232125
Secondary ID 5R01AI145555-02
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date January 21, 2021
Est. completion date December 31, 2024

Study information

Verified date May 2024
Source Johns Hopkins University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The goal of this study is to improve HCV care continuum outcomes for people who inject drugs (PWID), reduce potential onward transmission to others and improve HIV outcomes among those who are HIV/HCV coinfected. The study will evaluate whether HCV treatment outcomes (sustained virologic response, treatment completion, adherence) and post treatment outcomes (HCV reinfection, HIV viral suppression) in HCV mono- and HIV/HCV co-infected PWID can be optimized by tailoring treatment support in 7 PWID-focused integrated HIV/HCV prevention and treatment centers in India.


Description:

The primary objective is to evaluate whether the intensity of treatment adherence support affects sustained virologic response rates in HCV mono- and HIV/HCV co-infected participants receiving HCV direct-acting antivirals (DAA) in PWID-focused centers. Secondary objectives are: 1. To evaluate whether the intensity of treatment adherence support affects HCV treatment completion rates. 2. To evaluate whether the intensity of treatment adherence support affects HCV treatment adherence. 3. To estimate the incidence and correlates of HCV reinfection among HCV mono- and HIV/HCV coinfected PWID who achieve HCV cure. 4. To evaluate the impact of HCV cure on HIV viral suppression among HIV/HCV coinfected PWID. Investigators will evaluate this via a 3-arm, individual-level randomized clinical trial, in which treatment assignment probabilities vary according to participants' estimated propensity for treatment failure at baseline (precision randomization). An estimated 3,000 persons will be enrolled and randomized at 7 community-based integrated care centers (ICCs) across India across a duration of 18 - 24 months. Data from these 7 ICCs on early HIV treatment refills/viral suppression (3-6 months after antiretroviral therapy (ART) initiation) will be used to develop and validate an algorithm to predict propensity for HCV treatment failure. Prior to treatment initiation, each participant will undergo a questionnaire to capture information on barriers/ facilitators to treatment adherence identified in the prediction model in order to determine the propensity for HCV treatment failure (minimal or elevated risk). Individuals will be preferentially randomized to the support level that matches their failure risk. Those at elevated risk for treatment failure will be randomized at an allocation ratio of 3:2:1 for Arm 3 (high intensity support), Arm 2 (medium intensity support) and Arm 1 (low intensity support), respectively. Conversely, those at minimal risk will be randomized at a ratio of 1:2:3 to Arm 3 (high intensity support), Arm 2 (medium intensity support) and Arm 1 (low intensity support), respectively. Participants and study staff will be blinded to the risk classification (minimal, elevated) but, because of the nature of the interventions, blinding to intervention assignment is not possible. Persons will be treated for HCV according to the standard of care in India. Minimal laboratory monitoring will be used except when clinically indicated. Participants with decompensated cirrhosis will be excluded from treatment. All HIV/HCV co-infected participants and those HCV monoinfected participants who achieve SVR will be followed post-treatment. These individuals will be followed every six months after the SVR assessment to assess HCV reinfection and HIV viral suppression (among HIV/HCV coinfected participants) for up to 30 months after SVR.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 3000
Est. completion date December 31, 2024
Est. primary completion date December 30, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years and older
Eligibility Inclusion Criteria: - Registered for care at an Integrated Care Center (ICC) in one of the 7 field sites. - Active HCV infection confirmed by a detectable HCV RNA by polymerase chain reaction (PCR) (HCV RNA = 30 copies/ml) within 90 days prior to study entry. - Liver disease stage defined as non-cirrhotic or compensated cirrhotic (metric/diagnostic criteria used for fibrosis staging) within 90 days prior to study entry. i. Albumin >3.0 g/L. ii. Hemoglobin >8.0 g/dL for women; >9.0 g/dL for men. iii. Platelet count >50,000/mm3. iv. Calculated creatinine clearance (CrCl) using Cockcroft-Gault method >30 mL/min. v. Aspartate aminotransferase (AST/SGOT) <10 times the upper limit of the normal range (ULN). vi. Alanine aminotransferase (ALT/SGPT) <10 times the ULN. vii. Total bilirubin <1.5 times the ULN for participants not on atazanavir (ATV) and <3 times the ULN for participants on ATV. viii. International normalized ratio (INR) <1.5 times the ULN. - Life expectancy greater than 1 year (as determined by study clinician) - Willing to initiate HCV treatment - Agree to be randomized to an adherence support strategy - Ability and willingness to provide written informed consent - Female participants of reproductive potential must not be pregnant - All female participants of reproductive potential must agree not to participate in a conception process - All female participants of reproductive potential must agree to use at least one reliable form of contraceptive while receiving protocol-specified medication, and for 6 weeks after stopping the medication. Exclusion Criteria: - Psychologically unfit to provide written informed consent. - Planning to migrate within the next six months. - Known allergy/sensitivity or any hypersensitivity to components of study drug(s) or their formulation. - Acute or serious illness requiring systemic treatment and/or hospitalization within 30 days prior to study entry. - In HIV positive participants, presence of active or acute AIDS-defining opportunistic infections within 30 days prior to study entry. - Use of prohibited medications within the past 14 days prior to study entry. - Evidence of decompensated liver disease on clinical exam. - Evidence of active tuberculosis. - Evidence of chronic hepatitis B infection (HBsAg positive). - Currently on HCV treatment. - Prior history of DAA-based HCV treatment - Confirmed active SARS CoV-2 infection or suspected active SARS CoV-2 infection at enrollment. - Currently nursing (breastfeeding).

Study Design


Intervention

Behavioral:
Low intensity HCV treatment adherence support
A 28-day supply of medication will be dispensed to participants at entry, 4 weeks, and 8 weeks. Participants will receive standard adherence counseling at entry and every refill pickup/home or field delivery. Participants will have access to all of the services available at the ICC including facilitated linkage to referrals as needed. Site staff will routinely track clients who miss refill appointments in real-time using standard tracking measurements
Medium intensity HCV treatment adherence support
The medium intensity intervention will include standard of care dispensation of a 28-day supply of medication at entry, 4 weeks and 8 weeks. Participants will be assigned to a patient navigator (PN) and receive tailored patient navigation support for medication reminders, picking up medication refills (or home or field delivery of study medications), overcoming barriers as well as service linkage. Participant will be contacted by the PN at least once every two weeks.
High intensity HCV treatment adherence support
The high intensity intervention will involve patient-centered DOT with flexibility in terms of the frequency of pickup and the site of DOT (ICC, field-based) with a minimum of at least 1 observed dose per week. Participants in this arm will also receive PN support for overcoming barriers and service linkage similar to participants in Arm 2. The main differences between Arms 2 and 3 are: (i) medications will not be dispensed for more than one week at a time (to coincide with opioid agonist therapy (OAT) dosing, where applicable); and (ii) =1 dose/week will be observed.

Locations

Country Name City State
India YR Gaitonde Centre for AIDS Research and Education Chennai Tamil Nadu

Sponsors (3)

Lead Sponsor Collaborator
Johns Hopkins University National Institute of Allergy and Infectious Diseases (NIAID), YR Gaitonde Centre for AIDS Research and Education

Country where clinical trial is conducted

India, 

Outcome

Type Measure Description Time frame Safety issue
Other Exploratory Outcome Measure: Medication for Opioid Use Disorder (MOUD) Initiation Rate of MOUD Initiation post randomization Measured daily from Entry Visit to post SVR for up to 36 months
Other Exploratory Outcome Measure: Medication for Opioid Use Disorder Retention Consistent MOUD use post randomization Measured daily from Entry Visit to post SVR for up to 36 months
Other Exploratory Outcome Measure: Quality of Life Self-reported quality of life score based on self-report Measured at 6 month intervals at the SVR visit and post SVR for up to 36 months.
Other Exploratory Outcome Measure: Mortality Mortality rate per person years Measured from Entry visit to post SVR for up to 36 months.
Other Exploratory Outcome Measure: Cost effectiveness of tailored support options (low, medium and high intensity) Incremental cost effectiveness ratios calculated between an intervention and its next least costly comparator and assessed against per capita Gross Domestic Product (GDP) Measured at weekly intervals starting from Entry visit to SVR visit (up to 12 weeks after treatment completion).
Other Exploratory Outcome Measure: Acceptability of low, medium and high intensity interventions Measured by in-depth qualitative interviews with integrated care clinic staff and clients post intervention. Qualitative interviews will be conducted between the end of treatment visit and the SVR visit (up to 12 weeks after treatment completion).
Primary Sustained virologic response (SVR) by intervention group stratified by defined risk for treatment failure (minimal vs elevated) The percentage of participants who achieved SVR defined as HCV RNA < lower limit of quantification (LLOQ) Between 10 and 60 weeks after scheduled end of treatment
Secondary HCV treatment completion The percentage of participants who completed the prescribed course of treatment (12 or 24 weeks) Measured at end of prescribed course of treatment (12 or 24 weeks)
Secondary Adherence >90% (self-report) The percentage of participants who self-report taking >90% of doses during treatment. Measured at 4 week intervals over 12 weeks for those on 12 weeks of treatment and over 24 weeks for those on 24 weeks of treatment.
Secondary Adherence >90% (medication records) The percentage of participants in possession of >90% of doses during treatment based on medication refills and pill counts. Measured at each medication dispensation (1 week intervals for high intensity participants and 4 week intervals for low/medium intensity over 12 weeks for those on 12 weeks of treatment and over 24 weeks for those on 24 weeks of treatment).
Secondary Adherence level (self-report) The percentage of doses taken during treatment as self-reported by the participant. Measured at 4 week intervals over 12 weeks for those on 12 weeks of treatment and over 24 weeks for those on 24 weeks of treatment.
Secondary Adherence level (medication records) The percentage of doses participants had in their possession during treatment based on medication refills and pill counts. Measured at each medication dispensation (1 week intervals for high intensity participants and 4 week intervals for low/medium intensity over 12 weeks for those on 12 weeks of treatment and over 24 weeks for those on 24 weeks of treatment).
Secondary HCV reinfection The percentage of participants who test positive for HCV Core Antigen after achieving SVR. Measured at 6 month intervals after confirmation of SVR for up to 36 months.
Secondary HIV viral suppression among HIV/HCV coinfected participants The percentage of HIV/HCV co-infected participants with HIV RNA less than LLOQ after the SVR assessment. HCV RNA abstracted from chart reviews. After assessment of SVR for up to 36 months.
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