- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04347239
Study to Evaluate the Efficacy and Safety of Leronlimab for Patients With Severe or Critical Coronavirus Disease 2019 (COVID-19)
A Phase 2b/3, Randomized, Double Blind, Placebo Controlled, Adaptive Design Study to Evaluate the Efficacy and Safety of Leronlimab for Patients With Severe or Critical Coronavirus Disease 2019 (COVID-19)
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
This is a Phase 2b/3, two-arm, randomized, double blind, placebo controlled, adaptive design multicenter study to evaluate the safety and efficacy of leronlimab (PRO 140) in patients with severe or critical symptoms of respiratory illness caused by coronavirus 2019 infection. Patients will be randomized to receive weekly doses of 700 mg leronlimab (PRO 140), or placebo. Leronlimab (PRO 140) and placebo will be administered via subcutaneous injection.
A single arm, non-randomized, open-label phase is added to the protocol after completion of enrollment in the Randomized Phase of the study.
The study will have three phases: Screening Period, Treatment Period, and Follow-Up Period.
Study Type
Enrollment (Anticipated)
Phase
- Phase 2
Contacts and Locations
Study Locations
-
-
Alabama
-
Alexander City, Alabama, United States, 35010
- Advanced Cardiovascular, LLC
-
-
California
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Fullerton, California, United States, 92835
- St. Jude Medical Center
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Los Angeles, California, United States, 90095
- UCLA
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-
Florida
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Tampa, Florida, United States, 33612
- James A. Haley Veterans' Hospital
-
-
Georgia
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Gainesville, Georgia, United States, 30501
- Center for Advanced Research & Education (CARE)
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Massachusetts
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Boston, Massachusetts, United States, 02215
- Beth Israel Deaconess Medical Center
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New Jersey
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Livingston, New Jersey, United States, 07052
- St. Barnabas
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Morristown, New Jersey, United States, 07962-1905
- Atlantic Health System Hospital
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Teaneck, New Jersey, United States, 07666
- Holy Name Medical Center
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-
New York
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Bronx, New York, United States, 10467
- Montefiore Medical Center
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Brooklyn, New York, United States, 11229
- New York Community Hospital of Brooklyn
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North Carolina
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Winston-Salem, North Carolina, United States, 27103
- Novant Health
-
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Ohio
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Columbus, Ohio, United States, 43215
- Ohio Health
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Oregon
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Corvallis, Oregon, United States, 97330
- Good Samaritan Hospital Corvallis
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Portland, Oregon, United States, 97239
- Oregon Health and Sciences University
-
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Texas
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Dallas, Texas, United States, 75204
- Baylor Scott & White Research Institute
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Houston, Texas, United States, 77030
- Baylor College of Medicine
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Houston, Texas, United States, 77030
- University of Texas
-
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Male or female adult ≥ 18 years of age at time of screening.
Subjects hospitalized with severe or critical illness caused by coronavirus 2019 infection as defined below:
A. Severe Illness:
- Diagnosed with COVID-19 by standard RT-PCR assay or equivalent testing within 5 days of screening
AND
Symptoms of severe systemic illness/infection with COVID-19:
- At least 1 of the following: fever, cough, sore throat, malaise, headache, muscle pain, shortness of breath at rest or with exertion, confusion, or symptoms of severe lower respiratory symptoms including dyspnea at rest or respiratory distress
AND
Clinical signs indicative of severe systemic illness/infection with COVID-19, with at least 1 of the following:
- RR ≥ 30, HR ≥ 125, SaO2 <93% on room air or requires > 2L oxygen by NC in order maintain SaO2 ≥93%, PaO2/FiO2 <300
AND
- None of the following: Respiratory failure (defined by endotracheal intubation and mechanical ventilation, oxygen delivered by high-flow nasal cannula, noninvasive positive pressure ventilation, or clinical diagnosis of respiratory failure in setting of resource limitations), Septic shock (defined by SBP < 90 mm Hg, or Diastolic BP < 60 mm Hg), Multiple organ dysfunction/failure
B. Critical Illness:
- Diagnosed with COVID-19 by standard RT-PCR assay or equivalent testing within 5 days of screening
AND
Evidence of critical illness, defined by at least 1 of the following:
- Respiratory failure defined based on resource utilization requiring at least 1 of the following: Endotracheal intubation and mechanical ventilation, oxygen delivered by high-flow nasal cannula, noninvasive positive pressure ventilation, ECMO, or clinical diagnosis of respiratory failure (in setting of resource limitation)
OR
- Shock (defined by SBP < 90 mm Hg, or Diastolic BP < 60 mm Hg or requiring vasopressors)
OR
-Multiple organ dysfunction/failure
- Subject, if intubated, positive endexpiratory pressure (PEEP) <15 cmH2O with PaO2/FiO2 >150 mmHg.
- Electrocardiogram (ECG) with no clinically significant findings as assessed by the Investigator
- Subject (or legally authorized representative) provides written informed consent prior to initiation of any study procedures.
- Understands and agrees to comply with planned study procedures.
- Women of childbearing potential and their partner must agree to use at least one highly effective method of contraception (e.g., hormonal contraceptives [implants, injectables, combination oral contraceptives, transdermal patches, or contraceptive rings], intrauterine devices, bilateral tubal occlusion, or sexual abstinence) for the duration of the study.
Exclusion Criteria:
- Subjects with do-not-resuscitate (DNR) and/or do-not-intubate (DNI) orders or expected to be made DNR/DNI in setting of resource limitations or family wishes.
- Not a candidate for dialysis or continuation of care (or full medical support) in setting of resource limitations.
- Subject on continuous vasopressors (at the dose of norepinephrine >20μg/min and/or vasopressin >0.04 units/kg/min) for >48 hours at time of screening.
- Subjects who have a history of allergic reactions attributed to compounds of similar chemical or biologic composition to leronlimab (PRO 140) are not eligible.
- Inability to provide informed consent or to comply with test requirements
- Consideration by the investigator, for safety reasons, that the subject is an unsuitable candidate to receive study treatment
- Pregnancy or breast feeding
- Subject participating in another study with for an investigational treatment for COVID-19.
Note: Subject who were prescribed (1) hydroxychloroquine or chloroquine with or without azithromycin, (2) Remdesivir, (3) convalescent plasma therapy, or (4) immunomodulatory treatments (including but not limited to sarilumab, clazakizumab, tocilizumab, and anakinra) for the off-label treatment of COVID-19 prior to study enrollment may be included and may continue to receive these agents as part of standard-of-care.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: Placebo
|
Placebos
|
Experimental: 700mg Leronlimab
|
Leronlimab (PRO) 140 is a humanized IgG4, monoclonal antibody (mAb) to the C-C chemokine receptor type 5 (CCR5)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
All-cause mortality at Day 28
Time Frame: Day 28
|
Day 0 refers to the data of randomization/first treatment.
|
Day 28
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
All-cause mortality at Day 14
Time Frame: Day 14
|
Day 0 refers to the data of randomization/first treatment.
|
Day 14
|
Change in clinical status of subject at Day 14 (on a 7 point ordinal scale)
Time Frame: Day 14
|
A 7-category ordinal scale of patient health status ranges from: 1) Death; 2) Hospitalized, on invasive mechanical ventilation or extracorporeal membrane oxygenation (ECMO); 3) Hospitalized, on non-invasive ventilation or high flow oxygen devices; 4) Hospitalized, requiring supplemental oxygen; 5) Hospitalized, not requiring supplemental oxygen; 6) Not hospitalized, limitation on activities; 7) Not hospitalized, no limitations on activities.
|
Day 14
|
Change in clinical status of subject at Day 28 (on a 7 point ordinal scale)
Time Frame: Day 28
|
A 7-category ordinal scale of patient health status ranges from: 1) Death; 2) Hospitalized, on invasive mechanical ventilation or extracorporeal membrane oxygenation (ECMO); 3) Hospitalized, on non-invasive ventilation or high flow oxygen devices; 4) Hospitalized, requiring supplemental oxygen; 5) Hospitalized, not requiring supplemental oxygen; 6) Not hospitalized, limitation on activities; 7) Not hospitalized, no limitations on activities.
|
Day 28
|
Change from baseline in Sequential Organ Failure Assessment (SOFA) score at Day 14.
Time Frame: Day 14
|
The SOFA score assessment will be based on PaO2/FiO2, platelets, Glasgow coma scale (GCS), bilirubin, Mean arterial pressure OR administration of vasoactive agents required, and Serum creatinine
|
Day 14
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Anticipated)
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
Keywords
Additional Relevant MeSH Terms
- Coronaviridae Infections
- Nidovirales Infections
- RNA Virus Infections
- Virus Diseases
- Infections
- Respiratory Tract Infections
- Respiratory Tract Diseases
- Pneumonia, Viral
- Pneumonia
- Lung Diseases
- COVID-19
- Coronavirus Infections
- Molecular Mechanisms of Pharmacological Action
- Anti-Infective Agents
- Antiviral Agents
- Anti-HIV Agents
- Anti-Retroviral Agents
- HIV Fusion Inhibitors
- Viral Fusion Protein Inhibitors
- Leronlimab
Other Study ID Numbers
- CD12_COVID-19
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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