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Administration of Zepatier (Grazoprevir Plus Elbasvir) in Chronic Hemodialysis (HD) Patients With Hepatitis C

Real World Administration of Zepatier (Grazoprevir Plus Elvasvir) in Chronic Hemodialysis Patients With Hepatitis C Infection. Strategies for Identification of Patients, Insurance Approval, Treatment , and Laboratory Monitoring

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03365635
Acronym
HD
Enrollment
6
Registered
2017-12-07
Start date
2019-09-22
Completion date
2020-09-01
Last updated
2021-12-15

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

Conditions

Hemodialysis, Hepatitis C, Nosocomial Infection

Brief summary

This is a study to define strategies for Nephrologists to directly supervise and apply direct acting antivirals to cure hepatitis C in hemodialysis patients. Strategies will include identification of candidate patients, application for insurance approval, specifics of direct acting antiviral therapy (Zepatier with or without ribavirin) and laboratory monitoring during and after therapy.

Detailed description

Background - Hepatitis C (HCV) is common in hemodialysis (HD) patients with reported prevalences of 25%, By 2020, predicted 775,000 hemodialysis patients in the US, of whom 109,000 will have HCV. Hepatitis C is associated with increased mortality in HD patients, decreased kidney allograft survival, and a source of nosocomial infection in hemodialysis units. Currently drugs to cure HCV - direct acting antivirals (DAA) which can be safely given to HD patients are now available. A significant portion of the medical care provided to HD patients is by Nephrologists and HD staff. Goals of Protocol - 1. Provide guidelines for implementation and monitoring of DAA therapy in HD patients with HCV 2. Provide Nephrologists strategies for identification of candidate HD patients, obtainment of third party approval for DAA payment, specific drug dosing protocols based on genome type of HCV, and laboratory and clinical monitoring during DDA therapy. 3, By reducing the pool of HCV patients in a HD Unit, the risk of nosocomial transmission of HCV t o other patients and staff will be reduced Study Design - an interventional, prospective, non-randomized, non-blinded trial to evaluate real world strategies to identify and treat HCV infected patients with Zepatier Study Procedures 1. Patients who meet inclusion criteria without exclusion criteria be assigned treatment with Zepatier with or without Ribavirin according to following schedule: (a) Genotype 1a - treatment naive without NS5A polymorphism - Zepatier one tablet (100 mg grazoprevir and 50 mg elbasvir) per day for 12 weeks (b) Genotype 1a - treatment naiive with NS5A polymorphism - Zepatier one tablet daily and ribavirin (200 mg) daily for 16 weeks (c) Genotype 1b-treatment naive - Zepatier one daily for 12 weeks (d) Genotype 1a or 1b - prior treatment with INF or HCV NS3/4A protease inhibitor - Zepatier and ribavirin each once daily for 12 weeks (e) Genotype 4 - treatment naive - Zepatier one daily for 12 weeks (f)Genotype 4 -prior treatment - Zepatier and ribavirin each once per day for 16 weeks Baseline/Screening Testing: 1. HCV genotype testing 2. HCV viral RNA load 3. Liver function tests 4, Protime, Partial Thromboplastin time 5. HIV - if positive, then determine viral RNA and CD4 and T cell count 6. Liver biopsy (within 24 mo of treatment) or Fibroscan within 12 mo of treatment 7. Hepatitis BsAg 8. For patients with HCV genotype 1a, test fro NS5A mutation Treatment of HIV/HCV co-infected patients will be done in collaboration with the HIV treating physician to determine if any adjustments in the HIV drug regimen will be required Testing/Evaluations during Active DAA Treatment - 1. LFT and RNA HCV viral load at week 4, 8, and 12. For patients on 16 weeks of treatment, LFT at week 16 as well 2. For patients on combination Zepatier and ribavirin, hemoglobin monitoring every week during treatment 3. Clinical pharmacology evaluation for compliance and adverse events at week 4,8,and 12 (and week 16 for patients on 16 week treatment) Testing/Evaluation Post DAA Treament - 1, RNA viral load at 12 weeks post treatment 2. Clinical Pharmacologoy evaluation 12 weeks post treatment for adverse events 3. patients who achieve sustained viral remission at 12 weeks will be identified in HD records as HCV ab positive but HCV viral load RNA negative

Interventions

DRUGElbasvir 50 MG / Grazoprevir 100 MG [Zepatier]

Same as described in arm description

Sponsors

Merck Sharp & Dohme LLC
CollaboratorINDUSTRY
University of Pennsylvania
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Intervention model description

An interventional, prospective, non-randomized, non-blinded trial to evaluate real world strategies to identify and treat hepatitis C infected hemodialysis patients with Zepatier

Eligibility

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

Inclusion criteria

* Hemodialysis patient * \> age 18 years old * Hepatitis C antibody positive and Hepatitis C RNA Quantification positive * Hepatitis C genomes 1a, 1b, or 4 * Prior Interferon , ribavirin treatment failures , partial responders, or intolerance to these treatment allowed to enroll * Not of reproductive potential - hemodialysis patients must have no menses for 12 months * Males with partners of reproductive potential as along a 2 reliable forms of contraception are used simultaneously during treatment and for 6 months after completion of treatment * Ability to understand the study procedures, alternative treatments available, risks of participating in the study, and voluntarily agree to participate

Exclusion criteria

* Currently undergoing active treatment for HCV with a direct acting antiviral or have previously successfully been treated with a direct acting antiviral * Have moderate or severe hepatic disease - Child-Pugh B or C * Have evidence of decompensated liver disease manifested by ascites, gastric or variceal bleeding, hepatic encephalopathy, or other signs/symptoms of advanced liver disease * Co-administration of known heaptotoxic drugs including but not limited to : etofoxine, isoniazid, nitrofurantoin, phenytoin * Use of strong CYP3A/P-gp inhibitors, organic acid transporting polypeptide 1B1/3 inhibitors, strong inducers of cytochrome 450 3A (CYP3A), efavirenz, or other drugs which may interact with elbasvir/grazoprevir as per package insert * history of substance abuse with alcohol, intravenous drugs, psychotropics, narcotics, cocaine use within 1 year of screening for study * history of any condition, pre-study lab abnormality, or ECG abnormality or history of any illness which in the opinion of the investigators might confound the results of the study or pose additional risks from the administration of elbasvir/grazoprevir * Have evidence of history of chronic hepatitis not caused by HCV including but not limited to nonalcoholic steatohepatitis (NASH), drug induced hepatitis, and autoimmune hepatitis

Design outcomes

Primary

MeasureTime frameDescription
SVR - Sustained Virologic Response12 weeks after completion of Elbasivir/Grazoprevir treatmentAbsence of HCV by viral RNA quantitation at 12 weeks post treatment

Secondary

MeasureTime frameDescription
Approval for DAA by Third Party PayersWithin one month of last patient enrolledThe number of participants for whom their third party insurance approved payment of the DAA (study drug)

Countries

United States

Participant flow

Recruitment details

Patients from an outpatient hemodialysis unit were recruited between October 2019 and April 2020

Pre-assignment details

There was no wash out or run-in period to this protocol

Participants by arm

ArmCount
Genotype 1a -Rx Naive -no NS5A Polymorph
Genotype 1a - treatment naive without NS5A polymorphism - Drug Intervention : Oral administration Elbasvir (50mg)/Grazoprevir (100mg) one tablet per day for 12 weeks Elbasvir 50 MG / Grazoprevir 100 MG \[Zepatier\]: Same as described in arm description
3
Genotype 1a, Rx Naive + NS5A Polymorph
Genotype 1a - treatment naiive with NS5A polymorphism - Oral administration of Elbasvir/Grazoprevir one tablet daily and ribavirin (200 mg) daily for 16 weeks weeks Elbasvir 50 MG / Grazoprevir 100 MG \[Zepatier\]: Same as described in arm description
0
Genotype 1b - Rx Naive
Genotype 1b-treatment naive - Oral administration of Elbasvir/Grazoprevir one daily for 12 weeks Elbasvir 50 MG / Grazoprevir 100 MG \[Zepatier\]: Same as described in arm description
1
Genotype 1a/1b -Prior INF or NS3/4A
Genotype 1a or 1b - prior treatment with INF or HCV NS3/4A protease inhibitor - oral administration of Elbasvir/Grazoprevir and ribavirin each once daily for 12 weeks Elbasvir 50 MG / Grazoprevir 100 MG \[Zepatier\]: Same as described in arm description
0
Genotype4 - Treatment Naive
(e) Genotype 4 - treatment naive - oral administration of Elbasvir/Grazoprevir one daily for 12 weeks Elbasvir 50 MG / Grazoprevir 100 MG \[Zepatier\]: Same as described in arm description
0
Genotype 4- Prior Treatment
Genotype 4 -prior treatment - oral administration of Elbasvir/Grazoprevir and ribavirin each once per day for 16 weeks Elbasvir 50 MG / Grazoprevir 100 MG \[Zepatier\]: Same as described in arm description
0
Total4

Baseline characteristics

CharacteristicGenotype 1a -Rx Naive -no NS5A PolymorphGenotype 1a, Rx Naive + NS5A PolymorphGenotype 1b - Rx NaiveGenotype 1a/1b -Prior INF or NS3/4AGenotype4 - Treatment NaiveGenotype 4- Prior TreatmentTotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
3 Participants0 Participants1 Participants0 Participants0 Participants0 Participants4 Participants
Age, Categorical
Between 18 and 65 years
0 Participants0 Participants0 Participants0 Participants0 Participants0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
3 Participants1 Participants4 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
0 Participants0 Participants0 Participants
Region of Enrollment
United States
3 participants1 participants4 participants
Sex: Female, Male
Female
1 Participants0 Participants1 Participants
Sex: Female, Male
Male
2 Participants1 Participants3 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
EG004
affected / at risk
EG005
affected / at risk
deaths
Total, all-cause mortality
0 / 30 / 00 / 10 / 00 / 00 / 0
other
Total, other adverse events
0 / 30 / 00 / 10 / 00 / 00 / 0
serious
Total, serious adverse events
0 / 30 / 00 / 10 / 00 / 00 / 0

Outcome results

Primary

SVR - Sustained Virologic Response

Absence of HCV by viral RNA quantitation at 12 weeks post treatment

Time frame: 12 weeks after completion of Elbasivir/Grazoprevir treatment

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Genotype 1a -Rx Naive -no NS5A PolymorphSVR - Sustained Virologic Response3 Participants
Genotype 1a, Rx Naive + NS5A PolymorphSVR - Sustained Virologic Response0 Participants
Genotype 1b - Rx NaiveSVR - Sustained Virologic Response1 Participants
Genotype 1a/1b -Prior INF or NS3/4ASVR - Sustained Virologic Response0 Participants
Genotype4 - Treatment NaiveSVR - Sustained Virologic Response0 Participants
Secondary

Approval for DAA by Third Party Payers

The number of participants for whom their third party insurance approved payment of the DAA (study drug)

Time frame: Within one month of last patient enrolled

Population: No patients were recruited into some of the subgroups and this is noted as 0 participants for these subgroups

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Genotype 1a -Rx Naive -no NS5A PolymorphApproval for DAA by Third Party Payers0 Participants
Genotype 1b - Rx NaiveApproval for DAA by Third Party Payers0 Participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026