Study in Hepatitis C Virus (HCV) Infected Patients Undergoing Liver Transplantation to Evaluate a Human Monoclonal Antibody Against Hepatitis C (MBL-HCV1)
Other: 0.9% Sodium chloride Placebo
|Study Design:||Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor)
Primary Purpose: Prevention
|Official Title:||A Phase II Randomized, Double-Blind, Placebo Controlled Study of the Clinical Effectiveness of a Human Monoclonal Antibody Against Hepatitis C Virus E2 Glycoprotein (MBL-HCV1) in Hepatitis C Infected Patients Undergoing Liver Transplantation|
- Proportion of Subjects With Detectable Serum HCV RNA at Day 42 Post-Transplantation [ Time Frame: At Day 42 post-transplantation ]Serum HCV RNA was measured by Quantitative RT-PCR
- The Incidence of Adverse Events and Treatment-Emergent Adverse Events Determined Through Medical History, Physical Examination and Laboratory Evaluation [ Time Frame: Through Day 56 ]Adverse events were assessed by targeted medical history, physical examinations and laboratory testing. Subjects were asked at scheduled study visits through day 42 whether they experienced solicited adverse reactions (fever, chills, nausea, rash, joint pain or swelling, shortness of breath, headache, fatigue, and hives). In addition to these solicited adverse events, subjects were asked at all scheduled study visits through day 56 to report any other adverse events, regardless of whether the event was thought to be related to the study infusions. Adverse events were summarized by System Organ Class (SOC) using MedDRA (version 12.0)
- Change in Serum HCV RNA Between Baseline and Day 3, 14, 28 and 42 Post-Transplantation [ Time Frame: Baseline and Day 3, 14, 28 and 42 Post-Transplantation ]Serum HCV RNA was measured by quantitative RT-PCR. The change in HCV RNA from baseline was obtained by calculating the difference between the baseline pre-transplantation HCV RNA level and the HCV RNA level measured at each study visit.
- Histologic Evidence of Hepatitis by Histologic Activity Index (HAI) Score at Baseline and Day 42 [ Time Frame: Baseline Day 0 and Day 42 ]Liver biopsies obtained at baseline (day 0) and day 42 post-transplantation were assessed for histologic evidence of hepatitis by a pathologist blinded to treatment assignment using the Ishak modification of the Knodell histologic grading system to assign a histologic activity index (HAI) score. The HAI score consists of a sum of four components: 1) periportal or periseptal interface hepatitis; 2) confluent necrosis; 3) focal lytic necrosis, apoptosis and focal inflammation; 4) portal inflammation. The total HAI score can range from a minimum of 0 to a maximum of 18, with higher scores indicating more severe hepatic inflammation.
- Graft Function Assessed by Measurement of Biochemical and Synthetic Function at Multiple Time Points / International Normalized Ratio (INR) [ Time Frame: Through Day 56 ]Biochemical function was assessed by measurement of alanine aminotransferase (ALT) and total bilirubin and synthetic function was assessment by measurement of the pro-thrombin time (reported as the international normalized ratio, INR) at multiple time-points during the 56-day study period. The table below displays the INR at each time-point. The INR is the ratio of a patient's prothrombin time to a control sample, raised to the power of the ISI value (International Sensitivity Index) for the batch of tissue factor being used for the assay.
- Graft Function Assessed by Measurement of Biochemical and Synthetic Function at Multiple Time Points / Alanine Aminotransferase (ALT) [ Time Frame: Through Day 56 ]Biochemical function was assessed by measurement of alanine aminotransferase (ALT) and total bilirubin and synthetic function was assessment by measurement of the pro-thrombin time (reported as the international normalized ratio, INR) at multiple time-points during the 56-day study period. The table below displays the ALT at each time-point.
- Graft Function Assessed by Measurement of Biochemical and Synthetic Function at Multiple Time Points / Total Bilirubin [ Time Frame: Through Day 56 ]Biochemical function was assessed by measurement of alanine aminotransferase (ALT) and total bilirubin and synthetic function was assessment by measurement of the pro-thrombin time (reported as the international normalized ratio, INR) at multiple time-points during the 56-day study period. The table below displays the total bilirubin at each time-point.
- Time to Onset of Recurrence of Detectable HCV RNA Post-Transplantation [ Time Frame: Through Day 56 ]Serum HCV RNA was measured by Quantitative RT-PCR
|Study Start Date:||June 2010|
|Study Completion Date:||June 2011|
|Primary Completion Date:||June 2011 (Final data collection date for primary outcome measure)|
50 mg/kg MBL-HCV1, intravenous
|Placebo Comparator: 0.9% sodium chloride||
Other: 0.9% Sodium chloride Placebo
0.9% sodium chloride, intravenous
Other Name: Normal Saline
This is a Phase 2, randomized, double-blind, placebo controlled study in Hepatitis C (HCV) infected patients undergoing liver transplantation. Chronically infected patients with HCV genotype 1a scheduled to receive a liver transplant from either a deceased or living donor who satisfy all study inclusion or exclusion criteria will be approached to participate. The study will be conducted in two parts to test a human monoclonal antibody against Hepatitis C (MBL-HCV1). In Part 1, sixteen eligible patients will be randomized 1:1 to receive 50 mg/kg MBL-HCV1 or 0.9% sodium chloride placebo intravenously. Eleven doses will be given during the first 14 days post transplantation. Patients will be evaluated through day 56 for safety and clinical outcomes that include measurement of anti-HCV antibodies, anti-drug antibody and HCV viral load. On study visit day 42, a liver biopsy will be performed for evaluation of hepatitis. Physical examination, vital sign measurements, emergence of adverse events and concomitant medication usage will be assessed at scheduled visits and as needed during the 56 day study period.
The Data Safety and Monitoring Board will perform a futility analysis after the first 16 patients have been enrolled and completed study follow-up through study visit day 42 post transplant. Based on the results of the interim analysis, the dose of MBL-HCV1 for part 2 of the study will be determined. Part 2 of the study will be conducted in the same manner as Part 1.
Please refer to this study by its ClinicalTrials.gov identifier: NCT01121185
|United States, Connecticut|
|Yale-New Haven Hospital|
|New Haven, Connecticut, United States, 06504|
|United States, Massachusetts|
|Massachusetts General Hospital|
|Boston, Massachusetts, United States, 02114|
|Beth Israel Deaconess Medical Center|
|Boston, Massachusetts, United States, 02215|
|Burlington, Massachusetts, United States, 01805|
|United States, Michigan|
|Henry Ford Health System|
|Detroit, Michigan, United States, 48202|
|United States, New York|
|Mount Sinai Hospital|
|New York, New York, United States, 10029|
|United States, Ohio|
|Cleveland Clinic Foundation|
|Cleveland, Ohio, United States, 44195|
|United States, Tennessee|
|Methodist Healthcare Foundation|
|Memphis, Tennessee, United States, 38104|
|Study Director:||Deborah C. Molrine, MD||Massbiologics of University of Massachusetts Medical School|