Favipiravir for SARS-CoV-infected patients

JRCT ID: jRCTs041190120

Registered date:02/03/2020

Basic Information

• Recruitment status: Complete
• Health condition(s) or Problem(s) studied: COVID-19 infection
• Date of first enrollment: 02/03/2020
• Target sample size: 86
• Study type: Interventional

Intervention(s)

Immediate favipiravir arm: Favipiravir administered orally between Day 1 and Day 10, 1800 mg twice a day on Day 1 followed by 800 mg twice a day from Day 2
Delayed favipiravir arm: Favipiravir administered orally between Day 6 and Day 15, 1800 mg twice a day on Day 6 followed by 800 mg twice a day from Day 7

Outcome(s)

• Primary Outcome: Proportion of subjects with clearance of SARS-CoV2 in nasopharyngeal swab by Day 6

Secondary Outcome

Proportion of subjects with clearance of SARS-CoV2 in nasopharyngeal swab by Day 11
Proportion of subjects with 50% reduction in SARS-CoV2 copy number in nasopharyngeal swab on a logarithmic scale
Change of SARS-CoV2 copy number on a logarithmic scale

Key inclusion & exclusion criteria

• Age minimum: >= 16age old
• Age maximum: Not applicable
• Gender: Both

Include criteria

(1) Age 16 or greater at the time of consent
(2) Sex; male or female
(3) Outpatient or inpatient: inpatient
(4) Meets all of 1), 2), 3) below
1)Has at least one RT-PCR test positive for SARS-CoV2 from pharyngeal or nasopharyngeal swab (date of collection must be within 14 days before enrollment)
2) Has a performance status of 0 or 1
3) Is able to remain inpatient for 6 days
(5) Has a negative pregnancy test if the subject is female and pre-menopausal
(6) Has provided written consent for participation; written consents from both the subject and a legal guardian

Exclude criteria

(1) Performance status of 2 or greater
(2) Advanced liver function abnormalities classified as grade C by the Child-Pugh criteria
(3) End-stage renal disease requiring dialysis
(4) Altered mental status
(5) Pregnant or planning pregnancy
(6) If female, not agreeable to using oral contraceptive, intrauterine contraceptive device, mechanical contraceptive methods such as pessaries and condoms, or combinations thereof, during favipiravir administration and 90 days thereafter
(7) If male, has a female partner who is not agreeable to the contraceptive methods described in (7)
(8) If male, not agreeable to using condoms during favipiravir administration and 90 days thereafter
(9) History of hereditary xanthine oxidase deficiency
(10) History of hypouricemia (less than 1 mg/dL) or xanthine urolithiasis
(11) History of uncontrolled gout or hyperuricemia
(12) History of immunocompromising conditions such as HIV positivity
(13) Has received systemic agents with suggested activity against SARS-CoV2 within 28 days before enrollment
(14) Deemed ineligible as determined by the principal investigator or a co-investigator

Related Information

• Primary Sponsor: Doi Yohei
• Source(s) of Monetary Support: Japan Agency for Medical Research and Development