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Favipiravir in High-risk COVID-19 Patients

Efficacy of Favipiravir in High Risk COVID-19 Patients: A Randomised, Open-label, Multicenter Clinical Trial

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04818320
Enrollment
500
Registered
2021-03-26
Start date
2021-02-16
Completion date
2021-07-13
Last updated
2021-11-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Covid19

Brief summary

The study aims to investigate the efficacy of favipiravir in high-risk COVID-19 patients. The study population includes symptomatic mild-to-moderate COVID-19 inpatients, within first 7 days of illness, who are 50 years old and above, and have 1 or more comorbidities. The study is designed as a randomised, open-label, multicenter clinical trial where the patients are randomised 1:1 to groups receiving favipiravir (5 days) versus no favipiravir.

Interventions

DRUGFavipiravir

Day 1: 1800mg BD, day 2-5: 800mg BD

Sponsors

Enche' Besar Hajjah Khalsom Hospital
CollaboratorUNKNOWN
Jasin Hospital
CollaboratorUNKNOWN
Kepala Batas Hospital
CollaboratorOTHER_GOV
Melaka Hospital
CollaboratorUNKNOWN
Permai Hospital
CollaboratorUNKNOWN
The Queen Elizabeth Hospital
CollaboratorOTHER
Raja Perempuan Zainab II Hospital
CollaboratorUNKNOWN
Raja Permaisuri Bainun Hospital
CollaboratorUNKNOWN
Sultanah Aminah Hospital
CollaboratorUNKNOWN
Hospital Sultanah Nur Zahirah, Kuala Terengganu
CollaboratorOTHER_GOV
Sungai Buloh Hospital
CollaboratorUNKNOWN
Tampin Hospital
CollaboratorUNKNOWN
Tengku Ampuan Afzan Hospital
CollaboratorUNKNOWN
Tuanku Fauziah Hospital
CollaboratorUNKNOWN
Tuanku Jaafar Hospital
CollaboratorUNKNOWN
Tumpat Hospital
CollaboratorUNKNOWN
Institute for Clinical Research
CollaboratorOTHER
Tawau Hospital
CollaboratorUNKNOWN
Hulu Terrengganu Hospital
CollaboratorUNKNOWN
Penang Hospital, Malaysia
Lead SponsorOTHER_GOV

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
50 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Patients are eligible to be included in the study only if they fulfil ALL the following criteria: * RT-PCR confirmed COVID-19 cases * Aged 50 years and above, AND have one or more co-morbidities * Within the first 7 days of illness (from symptom onset) * Mild to moderate clinical severity

Exclusion criteria

* Asymptomatic stage 1 patients * Patients with SpO2 less than 95% without oxygen therapy * Patients who needs oxygen supplements * Patients with concomitant bacterial or fungal infection (confirmed by culture) prior to initiation of study * Patients with congestive heart failure * Patients with severe hepatic impairment (\>Grade 3: ALT \>10 times of upper normal limit) * Impaired kidney function (creatinine clearance according to Cockcroft-Gault formula less than 30 ml/min) at the time of screening. * Malabsorption syndrome or other clinically significant gastrointestinal disease that may affect absorption of the study drug (non-correctable vomiting, diarrhea, ulcerative colitis, and others). * Pregnant or nursing women or women planning pregnancy. * Female patients who cannot consent to contraceptive use of oral contraceptives, mechanical contraceptives such as intrauterine devices or barrier devices (pessaries, condoms), or a combination of these devices from the start of favipiravir administration to 7 days after the end of favipiravir administration * Male patients whose partner cannot agree to use the contraception method described in (9) * Patients with a history of gout or on treatment for gout or hyperuricemia * Patients receiving immunosuppressants * Patients who received interferon or drugs with reported antiviral activity against COVID-19 (hydroxychloroquine sulfate, chloroquine phosphate, lopinavir-ritonavir combination) within 7 days of illness. * Patients in whom this episode of infection is a recurrence or reinfection of COVID-19 infection * Patients who have previously received favipiravir * Patients who are not able to provide written consent by themselves * Other patients judged ineligible by the principal investigator or sub-investigator

Design outcomes

Primary

MeasureTime frameDescription
Need for oxygen supplementDay of discharge/day 28 of treatment (if still hospitalized)Drop in SPO2 in room air to \<95% or requiring supplemental oxygen to maintain SPO2≥95%

Secondary

MeasureTime frame
Difference in the number of patients admitted to ICUDay of discharge/day 28 of treatment (if still hospitalized)
Difference in the number of patients requiring mechanical ventilationDay of discharge/day 28 of treatment (if still hospitalized)
Changes in the length of ICU stayDay of discharge/day 28 of treatment (if still hospitalized)
Changes in in-hospital mortality rateDay of discharge/day 28 of treatment (if still hospitalized)

Countries

Malaysia

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 14, 2026