E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Symptomatic COVID-19 in ambulatory patients |
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E.1.1.1 | Medical condition in easily understood language |
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E.1.1.2 | Therapeutic area | Diseases [C] - Respiratory Tract Diseases [C08] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 23.1 |
E.1.2 | Level | LLT |
E.1.2 | Classification code | 10084401 |
E.1.2 | Term | COVID-19 respiratory infection |
E.1.2 | System Organ Class | 100000004862 |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
Part A The primary objective of this Part is to demonstrate superiority of ensovibep, compared to placebo, in reducing SARS-CoV-2 viral load through Day 8. Part B The primary objective of this Part is to demonstrate superiority of ensovibep, compared to placebo, in reducing the occurrence of hospitalizations (≥ 24 hours of acute care) and/or emergency room visits related to COVID-19 or death from any cause up to Day 29. |
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E.2.2 | Secondary objectives of the trial |
Part A The secondary objectives of this Part are: • To assess the effect of ensovibep, compared to placebo, in reducing the occurrence of hospitalizations (≥ 24 hours of acute care) and/or emergency room visits related to COVID-19 or death from any cause up to Day 29 • To assess the effect of ensovibep, compared to placebo, in reducing COVID-19 symptoms through Day 29 • To evaluate safety and tolerability of ensovibep • To characterize the pharmacokinetics (PK) of ensovibep Part B The secondary objectives of this Part are: • To assess the effect of ensovibep, compared to placebo, in reducing SARS-CoV-2 viral load through Day 8 • To assess the effect of ensovibep, compared to placebo, in reducing COVID-19 symptoms up to Day 29 • To evaluate the immunogenicity of ensovibep and its clinical relevance (pharmacokinetic, efficacy, and safety). • To evaluate safety and tolerability of ensovibep
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1. Men or women ≥ 18 years of age on the day of inclusion (no upper limit). 2. Presence of two or more COVID-19 symptoms and onset within 7 days prior to dosing: Feeling hot or feverish, cough, sore throat, low energy or tiredness, headache, muscle or body aches, chills or shivering, and shortness of breath. 3. Positive test for SARS-CoV-2 in upper respiratory swab on the day of dosing (rapid antigen test). 4. Understand and agree to comply with the planned study procedures. 5. The patient or legally authorized representative give signed informed consent.
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E.4 | Principal exclusion criteria |
1. Requiring hospitalization at time of screening, or at time of study drug administration. 2. Oxygen saturation (SpO2) ≤ 93% on room air at sea level or ratio of arterial oxygen partial pressure (PaO2 in mmHg) to fractional inspired oxygen (FiO2) < 300, respiratory rate ≥ 30 per minute, and heart rate ≥ 125 per minute. 3. Known allergies to any of the components used in the formulation of the ensovibep or placebo. 4. Suspected or proven serious, active bacterial, fungal, viral, or other infection (besides SARS-CoV-2) that in the opinion of the investigator could constitute a risk when taking intervention. 5. Any serious concomitant systemic disease, condition, or disorder that, in the opinion of the investigator, should preclude participation in this study. 6. Any co-morbidity requiring surgery within 7 days of dosing, or that is considered life-threatening within 29 days of dosing. 7. Prior or concurrent use of any medication for treatment of COVID-19, including antiviral agents, convalescent serum, or anti-viral antibodies. Purely symptomatic therapies (e.g., over-the-counter [OTC] cough medications, acetaminophen, and nonsteroidal anti-inflammatories [NSAIDs]) are permitted. Prior vaccination for COVID-19 is permitted. |
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E.5 End points |
E.5.1 | Primary end point(s) |
Part A • Time-weighted change from baseline (measured at Day 3, Day 5, and Day 8) in log10 SARS-CoV-2 viral load in nasopharyngeal swabs through Day 8
Part B • Proportion of patients experiencing hospitalizations (≥ 24 hours of acute care) and/or emergency room visits related to COVID-19 or death from any cause up to Day 29 |
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
Part A: Day 3, Day 5, and Day 8
Part B: Day 29 |
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E.5.2 | Secondary end point(s) |
Part A • Proportion of patients experiencing hospitalizations (≥ 24 hours of acute care) and/or emergency room visits related to COVID-19 or death from any cause up to Day 29 • Time to sustained clinical recovery, defined as (a) all symptoms from the modified FDA COVID-19 symptom list scored as moderate or severe at baseline are subsequently scored as mild or absent, AND (b) all symptoms from the modified FDA COVID-19 symptom list scored as mild or absent at baseline are subsequently scored as absent, with no subsequent worsening up to Day 29 • Proportion of patients up to end of study with: Serious adverse events (SAEs), including death from any cause; AEs of Special Interest (AESIs) • Vital signs • Clinical laboratory measurements • Free and total ensovibep concentration in serum and calculated PK parameters
Part B • Change from baseline in log10 SARS-CoV-2 viral load in nasopharyngeal swabs at Day 3, Day 5, and Day 8 • Time to sustained clinical recovery, defined as (a) all symptoms from the modified FDA COVID-19 symptom list scored as moderate or severe at baseline are subsequently scored as mild or absent, AND (b) all symptoms from the modified FDA COVID-19 symptom list scored as mild or absent at baseline are subsequently scored as absent, with no subsequent worsening up to Day 29 • Proportion of patients exhibiting treatmentemergent ADAs (TE-ADA) over time • Proportion of patients up to end of study with: Serious adverse events (SAEs), including deaths from any cause; AEs of Special Interest (AESIs) • Vital signs • Clinical laboratory measurements |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | Yes |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | Yes |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | No |
E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | Yes |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | No |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | Yes |
E.8.1.5 | Parallel group | Yes |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | Yes |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 4 |
E.8.3 |
The trial involves single site in the Member State concerned
| Yes |
E.8.4 | The trial involves multiple sites in the Member State concerned | No |
E.8.5 | The trial involves multiple Member States | Yes |
E.8.5.1 | Number of sites anticipated in the EEA | 19 |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | Yes |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.6.3 | If E.8.6.1 or E.8.6.2 are Yes, specify the regions in which trial sites are planned |
Indonesia |
Kenya |
South Africa |
Czechia |
Hungary |
India |
Netherlands |
Poland |
United States |
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E.8.7 | Trial has a data monitoring committee | Yes |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 0 |
E.8.9.1 | In the Member State concerned months | 11 |
E.8.9.1 | In the Member State concerned days | 14 |
E.8.9.2 | In all countries concerned by the trial years | 1 |
E.8.9.2 | In all countries concerned by the trial months | 0 |
E.8.9.2 | In all countries concerned by the trial days | 14 |