Grazoprevir and Elbasvir Without Ribavirin for 12 Weeks in Patients With HCV-related Cryoglobulinemic Nephropathy (CRYOKID)
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ClinicalTrials.gov Identifier: NCT03433326 |
Recruitment Status :
Not yet recruiting
First Posted : February 14, 2018
Last Update Posted : February 14, 2018
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Condition or disease | Intervention/treatment |
---|---|
Hepatitis C Cryoglobulinaemic Glomerulonephritis | Drug: Elbasvir/Grazoprevir |
Study Type : | Observational [Patient Registry] |
Estimated Enrollment : | 45 participants |
Observational Model: | Case-Only |
Time Perspective: | Prospective |
Target Follow-Up Duration: | 24 Weeks |
Official Title: | A Multicenter, Open Label, Pilot Study of MK-5172 (Grazoprevir)/MK-8742 (Elbasvir) Without Ribavirin for 12 Weeks in G1b and G4 Patients With HCV-related Cryoglobulinemic Nephropathy |
Estimated Study Start Date : | March 1, 2018 |
Estimated Primary Completion Date : | December 31, 2018 |
Estimated Study Completion Date : | December 31, 2018 |

- Drug: Elbasvir/Grazoprevir
Administration of MK-8742 (Elbasvir)/MK-5172 (Grazoprevir) for 12 weeksOther Name: MK-8742/MK-5172
- SVR12 [ Time Frame: march 2018-october 2018 ]Percentage of participants achieving sustained virologic response 12 weeks after completing treatment (SVR12)
- SVR24 [ Time Frame: march 2018-december 2018 ]Percentage of participants achieving Sustained Virologic Response 24 weeks after ending study treatment (SVR 24)
- Clinical response: improvement or disappearance of MC clinical and biochemical stigmata [ Time Frame: march 2018-december 2018 ]Clinical response: improvement or disappearance of MC clinical and biochemical stigmata at the EOT, at week 12 and week 24 of follow-up. Improvement of the renal function at week 4, week 8, EOT at week 12 and week 24 of follow-up.
- Tolerability: Number of participants experiencing an adverse event (AE) [ Time Frame: march 2018-may 2018 ]Tolerability: Number of participants experiencing an adverse event (AE)

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Informed consent form signed,
- Male or female at least 18 years of age at time of Screening.
- Chronic infection with Hepatitis C virus G1b
- Chronic infection with Hepatitis C virus G4 naïve, and experienced with baseline HCV RNA level <800,000 IU/ml
- Metavir score ranging between F0-F4 (with Child-Pugh score ranging from A5 to A6)
- Diagnosis of mixed cryoglobulinemia MC (type III or II) according to standard criteria
- Chronic renal impairment due to cryoglobulinemic nephropathy. Subjects with renal impairment will include CKD Stage 5 (eGFR < 15mL/min or dialysis dependent), CKD Stage 4 (eGFR 15-29 mL/min), CKD Stage 3 eGFR (30-59 mL/min) and CKD Stage 2 (60-89 mL/min) HCV patients.
- Albumin level ≥ 3.0 g/dl,
- Platelet count ≥ 75 x 103/μL.
Exclusion Criteria:
- Age <18 years
- Chronic infection with Hepatitis C virus G4 experienced with baseline HCV RNA level >800,000 IU/ml
- Patients with HCV genotype 1a, 2, 3, 5, 6,
- Coexistence of life-threatening condition(s) unrelated to MC
- Diagnosis of malignancy
- Pregnancy or breast feeding.
- Child-Pugh score > A6
- Decompensated cirrhosis or previous decompensation
- Platelet count < 75 x 103/μL
- Albumin level < 3 g/l
- Co-infection with more than one HCV genotype.
- Any serious or active medical illness which, in the opinion of the investigator, would interfere with subject treatment, assessment, or compliance
- HIV or chronic hepatitis B virus (HBV) infection (HBsAg positive)
- Known hypersensitivity to Grazoprevir, Elbasvir or any of its components

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03433326
Contact: ANNA LINDA ZIGNEGO, MD, PhD | +390552758 ext 020 | annalinda.zignego@unifi.it | |
Contact: MONICA MONTI, PhD | +390552758 ext 088 | monica.monti@unifi.it |
Principal Investigator: | ANNA LINDA ZIGNEGO, MD, PhD | University of Florence |
Additional Information:
Responsible Party: | Anna Linda Zignego, professor of internal medicine, University of Florence |
ClinicalTrials.gov Identifier: | NCT03433326 History of Changes |
Other Study ID Numbers: |
56086 |
First Posted: | February 14, 2018 Key Record Dates |
Last Update Posted: | February 14, 2018 |
Last Verified: | February 2018 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
MK-5172 Hepatitis C Glomerulonephritis Hepatitis Liver Diseases Digestive System Diseases Hepatitis, Viral, Human Virus Diseases Flaviviridae Infections |
RNA Virus Infections Kidney Diseases Urologic Diseases Nephritis Ribavirin Antimetabolites Molecular Mechanisms of Pharmacological Action Antiviral Agents Anti-Infective Agents |