E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
Patients diagnosed with COVID-19 by positive PCR for SARS-COV2 |
Pacientes diagnosticados con COVID-19 mediante PCR positiva para SARS-COV2 |
|
E.1.1.1 | Medical condition in easily understood language |
Coronavirus infection |
Infección por coronavirus |
|
E.1.1.2 | Therapeutic area | Diseases [C] - Virus Diseases [C02] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 23.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10084268 |
E.1.2 | Term | COVID-19 |
E.1.2 | System Organ Class | 10021881 - Infections and infestations |
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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 |
The overall objective of the study is to evaluate the clinical safety and potential efficacy of favipiravir relative to the control arm in patients hospitalized with COVID-19 |
El objetivo general del estudio es evaluar la seguridad clínica y potencial eficacia de favipiravir respecto al grupo control en pacientes hospitalizados con COVID-19 |
|
E.2.2 | Secondary objectives of the trial |
The overall objective of the study is to evaluate the clinical safety and potential efficacy of favipiravir relative to the control arm in patients hospitalized with COVID-19 |
El objetivo general del estudio es evaluar la seguridad clínica y potencial eficacia de favipiravir respecto al grupo control en pacientes hospitalizados con COVID-19 |
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E.2.3 | Trial contains a sub-study | No |
E.3 | Principal inclusion criteria |
1.Adult age: from 18 to 85 years included (at the time of informed consent) of both genders
2.Patients with categories 3 to 5 on the ordinal scale
3.Patients who meet all of the following criteria 1), 2), 3), and 4) at the time of enrollment
1)Patients who tested positive for SARS-COV2 on RT-PCR test from respiratory specimen(s)
2)Patients with new lung lesions on chest images (chest x-ray, CT scan, etc.)
3)Patients with SpO2 < 94%
4)Patients who meet at least 2 of the following symptoms/findings:
-Fever of 37.5°C or higher
-Respiratory rate ≥ 24/min
-Cough
4.For premenopausal female patients, patients who have been confirmed to be negative on a pregnancy test before administration of the study drug
5.Patients who understand the contents of this study and are able to provide written consent by themselves or by legally authorized representative
6. During the influenza virus season, if the incidence is above the epidemic threshold, patients with a
negative test resul |
1.Adultos de ambos géneros entre 18 y 85 años (incluidos) (en el momento de la firma del consentimiento informado)
2.Pacientes entre las categorías 3 y 5 de la escala ordinal
3.Pacientes que cumple todos los siguientes criterios en el momento de la inclusión:
1)Pacientes con un test PCR positivo en muestra respiratoria para SARS-COV2
2)Pacientes con imágenes de nuevas lesiones pulmonares diagnosticadas mediante rayos X, tomografía computarizada, etc.
3)Pacientes con SpO2 < 94%
4)Pacientes que cumplen al menos 2 de los siguientes síntomas:
-Fiebre de 37.5°C o superior
-Frecuencia resporatoria ≥ 24/min
-Tos
4.En el caso de mujeres pre-menopáusicas, test de embarazo en sangre negativo antes de la primera administración del fármaco en estudio.
5.Pacientes que entienden el contenido del estudio y son capaces de firmar un consentimiento informado o bien delegarlo en un representante autorizado.
6. Durante la temporada gripal, si la incidencia está por encima del umbral epidémico, pacientes con un resultado negativo en el test del virus de la gripe. |
|
E.4 | Principal exclusion criteria |
1.Patients who show increased procalcitonin levels (1 ng/ml or higher) before the start of study drug administration and are suspected to have concurrent bacterial infection
2.Patients who show abnormal NT-pro BNP levels (400 pg/mL or higher) and are suspected to have concurrent congestive heart failure
3.Patients with severe hepatic impairment (>Grade 3: ALT >10 times of upper normal limit)
4.Patients with renal impairment requiring dialysis
5.Patients with disturbed consciousness such as disturbed orientation (except with a nasogastric tube administration)
6.Pregnant or possibly pregnant patients and lactating or nursing female patients
7.Patients (and their partners) who desire to become pregnant during the study period or who cannot abstain from sex or who will not use contraceptives from the start of favipiravir until 14 days after end of administration
8.Male patients whose partner cannot agree to use the contraception method described above (criterion 7)
9.Patients who cannot consent to the use of condoms from the start of favipiravir administration to 14 days after the end of favipiravir administration
10.Patients with hereditary xanthinuria
11.Patients who have previously ever been diagnosed with hypouricemia (< 1 mg/dL) or xanthine urinary calculi
12.Patients with a history of gout or on treatment for gout or hyperuricemia
13.Patients receiving immunosuppressants (tocilizumab and corticosteroids administration is permitted)
14.Other patients judged ineligible by the principal investigator or sub-investigator
15.Known allergy to any study medication and its excipients
16.Patients on the current treatment or who have been treated during last 7 days with remdesivir |
1.Pacientes con niveles de procalcitonina elevados (≥1 ng/ml) antes de la administración del fármaco en estudio y con sospecha de tener infecciones bacterianas recurrentes.
2.Pacientes con niveles anormales de NT-pro BNP (≥400 pg/mL) y con sospecha de tener insuficiencia cardíaca congestiva recurrente.
3.Pacientes con fallo hepático severo (>Grado 3: ALT >10 veces el LSN)
4.Pacientes con fallo renal que requieran diálisis
5.Pacientes con alteración de la conciencia, como orientación alterada (excepto con una administración de sonda nasogástrica)
6.Pacientes embarazadas o con posibilidad de estarlo y en periodo de lactancia
7.Pacientes (y sus parejas) que deseen quedarse embarazadas durante el periodo del estudio o que no estén dispuestos a abstenerse a tener sexo o a usar medidas contraceptivas desde el inicio del ensayo clínico y hasta transcurridos 14 días de la última administración.
8.Pacientes varones cuyas parejas no estén de acuerdo en usar los métodos anticonceptivos descritos en el criterio 7
9.Pacientes que no consientan en el uso de preservativos desde el inicio del ensayo hasta 14 días después de la última administración.
10.Pacientes con xantinuria hereditaria
11.Pacientes que hayan sido diagnosticados previamente con hipouricemia (< 1 mg/dL) o cálculos urinarios de xantina
12.Pacientes con historia de gota o en tratamiento para gota o hiperuricemia
13.Pacientes que estén recibiendo inmunosupresores (la administración de tocilizumab y corticosteroides está permitida)
14.Otros pacientes que a juicio del investigador principal o el sub-investigador se consideren no elegibles
15.Alergias conocidas a la medicación del estudio y sus excipientes
16. Pacientes en tratamiento o que hayan sido tratados durante los últimos 7 días con remdesivir |
|
E.5 End points |
E.5.1 | Primary end point(s) |
Time to clinical improvement measured as improvement for ≥ two categories on a 7-point ordinal scale (Time frame: up to 28 days):
1. Not hospitalized, no limitations on activities
2. Not hospitalized, limitation on activities;
3. Hospitalized, not requiring supplemental oxygen;
4. Hospitalized, requiring supplemental oxygen;
5. Hospitalized, on non-invasive ventilation or high flow oxygen devices;
6. Hospitalized, on invasive mechanical ventilation or extracorporeal membrane oxygenation (ECMO);
7. Death. |
Tiempo de mejoría clínica medido como la mejoría en dos o más categorías en una escala ordinal de 7 puntos (marco de tiempo: hasta 28
días):
1. No hospitalizado, sin limitaciones en las actividades
2. No hospitalizado, limitación de actividades
3. Hospitalizado, que no requiere oxígeno suplementario
4. Hospitalizado, que requiere oxígeno suplementario
5. Hospitalizado, con ventilación no invasiva o dispositivos de oxígeno de
alto flujo
6. Hospitalizado, con ventilación mecánica invasiva u oxigenación por
membrana extracorpórea (ECMO)
7. La muerte |
|
E.5.1.1 | Timepoint(s) of evaluation of this end point |
Time frame: up to 28 days |
Periodo de tiempo: hasta los 28 días |
|
E.5.2 | Secondary end point(s) |
1.Clinical Severity
1)Ordinal scale:
▪ Subject clinical status on an ordinal scale at days 3, 5, 8, 11, and 28
▪ Mean change in the ranking on an ordinal scale from baseline to days 3, 5, 8, 11 and 28
2)National Early Warning Score (NEWS):
▪ The time to discharge or to a NEWS of ≤ 2 and maintained for 24 hours, whichever occurs first.
▪ Change from baseline to days 3, 5, 8, 11 and 28 in NEWS
3)Oxygenation:
▪ Oxygenation free days in the first 28 days (if the patient is still hospitalized) or up to hospital discharge
▪ Incidence and duration of new oxygen use during the trial.
4)Mechanical Ventilation:
▪ Ventilator free days in the first 28 days (if the patient is still hospitalized) or up to hospital discharge.
▪ Incidence and duration of new mechanical ventilation use during the trial.
5)Hospitalization
▪ Duration of hospitalization (days).
6)Mortality up to 28 days |
1.Gravedad clínica
1) Escala ordinal
▪ Estado clínico del sujeto en una escala ordinal en los días 3, 5, 8, 11 y 28
▪ Cambio medio en la clasificación en una escala ordinal desde el inicio hasta los días 3, 5, 8, 11 y 28
2) Puntuación en el National Early Warning Score (NEWS)
▪ El tiempo hasta el alta hospitalario o NEWS ≤ 2 mantenido durante 24
horas, lo que ocurra primero
▪ Cambio desde basal hasta los días 3, 5, 8, 11 y 28 en NEWS
3) Oxigenación
▪ Días libres de oxigenación en los primeros 28 días (si el paciente aún está hospitalizado) o hasta el alta hospitalaria
▪ Incidencia y duración del nuevo uso de oxígeno durante el ensayo
4) Ventilación mecánica
▪ Días sin ventilación en los primeros 28 días (si el paciente aún está hospitalizado) o hasta el alta hospitalaria.
▪ Incidencia y duración del nuevo uso de ventilación mecánica durante el ensayo
5) Hospitalización
▪ Duración de la hospitalización (días)
6) Mortalidad hasta 28 días. |
|
E.5.2.1 | Timepoint(s) of evaluation of this end point |
Time frame: up to 28 days |
Periodo de tiempo: hasta los 28 días |
|
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 | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | No |
E.6.7 | Pharmacodynamic | No |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
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) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | Yes |
E.8.1.1 | Randomised | No |
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 | No |
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 | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 6 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
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
|
|
E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | |
E.8.9.1 | In the Member State concerned months | 12 |
E.8.9.1 | In the Member State concerned days | |
E.8.9.2 | In all countries concerned by the trial months | 12 |