Covid-19 Clinical Trial
— COMBAT-19Official title:
A Randomized, Double Blind, Placebo-controlled Trial of Mavrilimumab for Acute Respiratory Failure Due to COVID-19 Pneumonia With Hyper-inflammation (the COMBAT-19 Trial)
This study is a prospective, phase II, multi-center, randomized, double-blind, placebo-controlled trial to evaluate the efficacy and safety of mavrilimumab in hospitalized patients with acute respiratory failure requiring oxygen supplementation in COVID- 19 pneumonia and a hyper-inflammatory status. The study will randomize patients to mavrilimumab or placebo, in addition to standard of care per local practice. The total trial duration will be 12 weeks after single mavrilimumab or placebo dose.
Status | Not yet recruiting |
Enrollment | 50 |
Est. completion date | November 22, 2020 |
Est. primary completion date | September 22, 2020 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Adults (= 18 years of age) - Signed informed consent by any patient capable of giving consent, or, when the patient is not capable of giving consent, by his or her legal/authorized representative or according to local guidelines - Patients clinically diagnosed with SARS-CoV-2 virus by PCR or by other approved diagnostic methodology - Hospitalized with COVID-19-induced pneumonia evidenced by chest x-ray or CT scan with pulmonary infiltrates - Patient requiring oxygen supplementation (i.e. with a SpO2 = 92% while breathing room air) and having a PAO2/FIO2 ratio = 300 mmHg - Lactate dehydrogenase (LDH) > normal range and at least one of the following: 1. fever > 38.0 °C; 2. increased levels of C-reactive Protein (CRP) = 10x UNL mg/L (= 60 mg/l); 3. increased levels of ferritin = 2.5x UNL ( = 1000 µg/L) Exclusion Criteria: - Onset of COVID-19 pneumonia symptoms (i.e. dyspnea/respiratory insufficiency) >14 days - On mechanical ventilation at the time of randomization - A PaO2/FiO2 < 100 mmHg - Uncontrolled systemic infection (other than COVID-19) - Hypersensitivity to the active substance or to any of the excipients of the experimental drug - Total neutrophil count < 1500/mm3 - Severe hepatic cirrhosis - History of chronic HBV or HCV infection - Known or active tuberculosis (TB) or a history of incompletely treated TB; suspected or known extrapulmonary tuberculosis - Moderate/severe heart failure (NYHA Class 3 or 4) - Any prior (within the defined periods below) or concurrent use of immunosuppressive therapies including but not limited to the following: 1. Anti-IL-6, anti-IL-6R antagonists or Janus kinase inhibitors (JAKi) in the past 30 days or plans to receive during the study period; 2. Cell-depleting agents (e.g., anti CD20) without evidence of recovery of B cells to baseline level; 3. Anakinra within 1 week of baseline; canakinumab within 8 weeks of baseline; abatacept within 8 weeks of baseline. 4. Tumor necrosis factor (TNF) inhibitors within 2-8 weeks (etanercept within 2 weeks, infliximab, certolizumab, golimumab, or adalimumab within 8 weeks), or after at least 5 half-lives have elapsed, whichever is longer; 5. Alkylating agents including cyclophosphamide (CYC) within 6 months of baseline; 6. Cyclosporine (CsA), azathioprine (AZA) or mycophenolate mofetil (MMF) or leflunomide or methotrexate within 4 weeks of baseline. - Pregnancy or lactation (Note: Women of childbearing age should use effective contraception/abstinence after treatment with mavrilimumab and for 3 months after the dosing) - Any serious medical condition or abnormality of clinical laboratory tests that, in the investigator's judgment, precludes the patient's safe participation in and completion of the study - In the opinion of the investigator, progression to death is imminent and highly likely within the next 24 hours, irrespective of the provision of treatments - Current participation in any other interventional investigational trials |
Country | Name | City | State |
---|---|---|---|
Italy | IRCCS Istituto Ortopedico Galeazzi | Milano | |
Italy | IRCCS Ospedale San Raffaele | Milano | |
Italy | IRCCS Policlinico San Donato | San Donato | MI |
Lead Sponsor | Collaborator |
---|---|
Ospedale San Raffaele |
Italy,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Clinical efficacy of mavrilimumab compared to the control arm by clinical severity | To evaluate the primary and secondary endpoints in different subgroups of patients: mild respiratory failure: PaO2/FiO2 = 300 and > 200 mmHg; moderate respiratory failure: PaO2/FiO2 = 200 and > 100 mmHg |
Within day 28 of intervention | |
Other | Changes in serum IL-6 (exploratory biomarker) | Median changes in serum IL-6 | By day 84 | |
Other | Changes in serum IL-1RA (exploratory biomarker) | Median changes in serum IL-1 receptor antagonist | By day 84 | |
Other | Changes in serum TNF-alpha (exploratory biomarker) | Median changes in serum TNF-alpha | By day 84 | |
Other | Changes in CBC + differential (exploratory biomarker) | Median variations in haemoglobin and leucocyte counts | By day 84 | |
Other | Level of anti-SARS-CoV2 antibodies (exploratory biomarker) | Median titres od anti-SARS-CoV2 antibodies | By day 84 | |
Other | Virus eradication (exploratory biomarker) | Proportion of patients with a positive swab for SARS-CoV2 by PCR | By day 84 | |
Other | Anti-drug antibodies (exploratory biomarker) | Proportion of patients who developed anti-drug antibodies | By day 84 | |
Primary | Reduction in the dependency on oxygen supplementation | Time to the absence of need for oxygen supplementation (time to first period of 24 hrs with a SpO2 of 94%) within day 14 of treatment, stated as Kaplan- Mayer estimates of the proportion of patients on room air at day 14 and median time to room air attainment in each arm | within day 14 of treatment | |
Secondary | Proportion of responders (using the WHO 7-point ordinal scale) | Response is defined as a 7-point ordinal scale of 3 or less, i.e. no supplemental oxygen | Day 7, 14, and 28 | |
Secondary | Time to response (using the WHO 7-point ordinal scale) | Time from date of randomization to the date with a 7-point ordinal scale of 3 or less, i.e. no supplemental oxygen | Within day 28 of intervention | |
Secondary | Proportion of improving patients (using the WHO 7-point ordinal scale) | Proportion of patients with at least two-point improvement in clinical status | At day 7, 14, and 28 | |
Secondary | Time to resolution of fever | Time to resolution of fever (for at least 48 hours) in absence of antipyretics, or discharge, whichever is sooner | Within day 28 of intervention | |
Secondary | Reduction in case fatality | COVID-19-related death | Within day 28 of intervention | |
Secondary | Proportion of patient requiring mechanical ventilation/deaths | Proportion of hospitalized patients who died or required mechanical ventilation (WHO Categories 6 or 7) | Within day 14 of intervention | |
Secondary | Change in biochemical markers | Change of the following serological markers over follow-up (C-reactive protein; Ferritin; D-Dimer) | Within day 28 of intervention or discharge -whatever comes first | |
Secondary | Median changes in the National Early Warning Score 2 (NEWS2) | Median changes of NEWS2 score from baseline | At day 7, 14, and 28 | |
Secondary | Time to clinical improvement as evaluated with the National Early Warning Score 2 (NEWS2) | Time to clinical improvement (as defined as a NEWS2 score of 2 or less maintained for at least 24 hours or discharge, whichever comes first) | Within day 28 of intervention or discharge -whatever comes first | |
Secondary | Variations in radiological findings | Variations from baseline to subsequent timepoints (when available) in terms of percentage of lung involvement, modifications in the normal parenchyma, ground glass opacities (GGO), crazy paving pattern,parenchymal consolidations, and evolution towards fibrosis. | Within day 28 of intervention or discharge -whatever comes first | |
Secondary | Incidence of Treatment-Emergent Adverse Events [Safety and Tolerability] | Number of patients with treatment- related side effects (as assessed by Common Terminology Criteria for Adverse Event (CTCAE) v.5.0), serious adverse events, adverse events of special interest, clinically significant changes in laboratory measurements and vital signs | By day 84 |
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