- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04343989
A Randomized Placebo-controlled Safety and Dose-finding Study for the Use of the IL-6 Inhibitor Clazakizumab in Patients With Life-threatening COVID-19 Infection
In this study invetigators propose to administer clazakizumab to patients with life-threatening COVID-19 infection manifest by pulmonary failure and a clinical picture consistent with a cytokine storm syndrome. This is a double-blinded randomized multi-center trial designed as a phase II dose-finding three arm trial with seamless adaptive transition to a phase III efficacy trial. For phase II, patients were randomized 1:1:1 ratio to three study arms and received clazakizumab at a dose of 12.5 mg, 25 mg or placebo.
Based on interim analysis, the low dose arm was dropped and the phase III portion of the study continued to enroll patients randomized 1:1 to high dose clazakizumab or placebo.
Based on interim analysis, the remaining 10 subjects at NYU will be randomly assigned to a 1:1 ratio to two arms that will receive clazakizumab at a dose of 25 mg or placebo. The NYU site will serve as the central data management site for other centers who undertake this protocol. Other sites will enroll patients based on the two arm 1:1 randomization. 60 patients at outside sites are expected to enroll.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The limited understanding of the clinical behavior of patients infected with SARS-CoV-2 (the viral organism responsible for COVID-19 disease) is evolving on a daily basis. Reports from China indicate that a subset of patients with the worst clinical outcomes may manifest cytokine storm syndrome. Hypotheses that excess cytokines may trigger a secondary hemophagocytic lymphhistiocytosis (sHLH) have been proposed. Indeed, cytokine profiles consistent with this picture were observed in Chinese patients with severe pulmonary involvement. Specifically, elevated ferritin and interleukin-6 (IL-6) were associated with fatalities among the infected patients. A role for targeted anti-inflammatory and anti-cytokine therapies in the treatment of pulmonary hyperinflammation has been proposed.
Clazakizumab is a genetically engineered humanized IgG1 monoclonal antibody (mAb) that binds with high affinity to human IL-6. This investigational agent is currently being studied as a treatment for chronic active antibody mediated rejection of renal allografts.
In this study investigators propose to administer clazakizumab to patients with life-threatening pulmonary failure secondary to COVID-19 disease.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Arizona
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Phoenix, Arizona, United States, 85054
- Mayo Clinic
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Maryland
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Baltimore, Maryland, United States, 21205
- The Johns Hopkins Hospital
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New York
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New York, New York, United States, 10016
- New York University School of Medicine
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
In order to be eligible to participate in this study, the patients must meet all of the following criteria:
- At least 18 years of age
- Confirmed COVID-19 disease (by Cobas SARS-CoV-2 real time RT-PCR using nasopharyngeal swab sample, or equivalent test available to be performed by the NYU Langone clinical laboratory). Effort will be made to have the confirmatory test result <72 hours prior to enrollment however given overall clinical demand this may not be feasible in all cases.
Respiratory failure manifesting as: Acute Respiratory Distress Syndrome (defined by a P/F ratio of <200), OR SpO2 < 90% on 4L (actual or expected given higher O2 requirement) OR increasing O2 requirements over 24 hours, PLUS 2 or more of the following predictors for severe disease:
CRP > 35 mg/L Ferritin > 500 ng/mL D-dimer > 1000 mg/mL Neutrophil-Lymphocyte Ratio > 4 LDH > 200 U/L Increase in troponin in patient w/out known cardiac disease
- Has a consent designee willing to provide informed consent on behalf of the patient (this assumes that a mechanically ventilated patients lacks capacity to consent on his/her own behalf. Should it be deemed that the patient has capacity to consent, consent may be obtained from the patient.)
Women of childbearing potential must be willing and able to use at least one highly effective contraceptive method for a period of 5 months following the study drug administration. In the context of this study, an effective method is defined as those which result in low failure rate (i.e. less than 1% per year) when used consistently and correctly such as:
- combined (estrogen and progestogen containing) hormonal contraception combined (estrogen and progestogen containing) hormonal contraception (oral, intravaginal, or transdermal)
- progestogen-only hormonal contraception associated with inhibition of ovulation (oral, injectable, implantable)
- intrauterine device (IUD)
- intrauterine hormone-releasing system (IUS)
- vasectomized partner
- bilateral tubal occlusion
- true abstinence. when this is in line with the preferred and usual lifestyle of the subject. Periodic abstinence, such as calendar, ovulation, symptothermal, postovulation methods, and withdrawal are not acceptable methods of contraception.
- Men must be willing to use a double-barrier contraception from enrollment until at 5 months after the last dose of study drug, if not abstinent.
Exclusion Criteria:
An individual who meets any of the following criteria will be excluded from participation in this study:
- Evidence of irreversible injury deemed non-survivable even if the pulmonary failure recovers (for example severe anoxic brain injury)
- Known active inflammatory bowel disease
- Known active, untreated diverticulitis
- Known untreated bacteremia
- Pregnancy. (The protocol will exclude pregnant subjects given the lack of overall data on use of clazakizumab in pregnancy however the study team would consider a protocol revision should more than 3 potential pregnant study subjects be excluded on this basis).
- Known hypersensitivity to the clazakizumab
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo
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The first dose will be administered as soon as possible after the patient is enrolled and randomized into the Placebo arm.
The route of administration will be intravenous.
Each dose will be administered as an infusion that is run over 30 minutes.
Serum CRP will be evaluated at baseline and on days 1 and 2 following clazakizumab administration.
If the CRP does not decrease by 50% within 36-48 hours after the first dose, a second dose of placebo will be given no later than day 3.
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Experimental: Clazakizumab 25 mg
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The first dose will be administered as soon as possible after the patient is enrolled and randomized into the Clazakizumab 25 mg arm.
The route of administration will be intravenous.
Each dose will be administered as an infusion that is run over 30 minutes.
Serum CRP will be evaluated at baseline and on days 1 and 2 following clazakizumab administration.
If the CRP does not decrease by 50% within 36-48 hours after the first dose, a second dose of 25 mg clazakizumab will be given no later than day 3.
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Experimental: Clazakizumab 12.5 mg
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The first dose will be administered as soon as possible after the patient is enrolled and randomized into the Clazakizumab 12.5 mg arm.
The route of administration will be intravenous.
Each dose will be administered as an infusion that is run over 30 minutes.
Serum CRP will be evaluated at baseline and on days 1 and 2 following clazakizumab administration.
If the CRP does not decrease by 50% within 36-48 hours after the first dose, a second dose of 12.5 mg clazakizumab will be given no later than day 3.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Ventilator Free Survival
Time Frame: 28 days
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Ventilator Free Survival is defined as the total number of patients who were alive and ventilator free at 28 days.
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28 days
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Number of Serious Adverse Events Associated With High and Low Dose of Clazakizumab
Time Frame: 60 days
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60 days
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Overall Patient Survival
Time Frame: 28 days
|
Overall Patient Survival is defined as the total number of patients per group who were alive at 28 days
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28 days
|
Overall Patient Survival
Time Frame: 60 days
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Overall patient survival is defined as total number of patients per group who were alive at 60 days.
|
60 days
|
Number of Participants With Change in Clinical Status
Time Frame: 28 days
|
Change in clinical status defined by an improvement in status by at least 2 score points on WHO 11-point ordinal scale, where 0 = uninfected; no viral RNA detected, 1 = asymptomatic; viral RNA detected, 2 = symptomatic; independent, 3 = symptomatic; assistance needed, 4 = hospitalized; no oxygen therapy, 5 = hospitalized; oxygen by mask or nasal prongs, 6 = hospitalized; oxygen by NIV or high flow, 7 = intubation and mechanical ventilation, pO2/FiO2 >/= 150 or SpO2/FiO2 >/= 200, 8 = mechanical ventilation pO2/FiO2 < 150 (SpO2/FiO2 < 200) or vasopressors, 9 = mechanical ventilation pO2/FiO2 < 150 and vasopressors, dialysis, or ECMO, and 10 = Dead
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28 days
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Number of Participants With a Change in Clinical Status
Time Frame: 60 days
|
Change in clinical status defined by an improvement in status by at least 2 score points on WHO 11-point ordinal scale, where 0 = uninfected; no viral RNA detected, 1 = asymptomatic; viral RNA detected, 2 = symptomatic; independent, 3 = symptomatic; assistance needed, 4 = hospitalized; no oxygen therapy, 5 = hospitalized; oxygen by mask or nasal prongs, 6 = hospitalized; oxygen by NIV or high flow, 7 = intubation and mechanical ventilation, pO2/FiO2 >/= 150 or SpO2/FiO2 >/= 200, 8 = mechanical ventilation pO2/FiO2 < 150 (SpO2/FiO2 < 200) or vasopressors, 9 = mechanical ventilation pO2/FiO2 < 150 and vasopressors, dialysis, or ECMO, and 10 = Dead
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60 days
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Number of Clazakizumab-expected Adverse Events
Time Frame: 60 days
|
60 days
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Collaborators and Investigators
Sponsor
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 20-00392
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
IPD Sharing Time Frame
IPD Sharing Access Criteria
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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