As Glenmark Pharmaceuticals launched antiviral drug Favipiravir for the treatment of mild to moderate COVID-19 cases, medical experts on Saturday cautioned against seeing it as a "magic bullet" to treat the deadly virus but said it will be helpful as it can be orally administered and reduce viral load.
They said the drug's real efficacy would be known in the coming months.
Glenmark Pharmaceuticals said it has launched antiviral drug Favipiravir, under the brand name FabiFlu, for the treatment of patients with mild to moderate COVID-19 at a price of about Rs 103 per tablet.
FabiFlu is the first oral Favipiravir-approved medication in India for the treatment of COVID-19, it said in a statement.
"This drug was already being used in Japan for influenza. They have been using it in COVID-19 patients also. Even China was using it and Russia had also given permission in May to use it. Antiviral drugs like Remdesivir and Favipiravir are not specific to COVID-19 but were being used for influenza,"
It is a prescription-based medication with recommended dose being 1,800 mg twice daily on day one, followed by 800 mg twice daily up to day 14, it added.
The tablets are being produced by the company at its Baddi facility in Himachal Pradesh. The drug will be available both through hospitals and the retail channel, Glenmark said.
The Mumbai-based firm had on Friday received the manufacturing and marketing approval from the Drugs Controller General of India (DCGI).
"This approval comes at a time when cases in India are spiralling like never before, putting a tremendous pressure on our healthcare system," Glenmark Pharmaceuticals Chairman and MD Glenn Saldanha said in the statement.
The company hopes that the availability of an effective treatment such as FabiFlu will considerably help assuage this pressure, and offer patients in India a much needed option of timely therapy, he added.
The approval's restricted use entails responsible medication usage where every patient must have signed informed consent before treatment initiation, Glenmark said.
Favipiravir can be used for coronavirus patients with co-morbid conditions such as diabetes and heart disease with mild to moderate COVID-19 symptoms, Glenmark added.
It offers rapid reduction in viral load within four days and provides faster symptomatic and radiological improvement.
Favipiravir has shown clinical improvement of up to 88 per cent in mild to moderate COVID-19 cases, it said.
Considering the emergency and unmet medical need for COVID-19, the DCGI under the fast-tracked approval process granted domestic firm Glenmark Pharmaceuticals the permission to manufacture and market Favipiravir (200 mg) tablet.
Glenmark pharmaceuticals was the first company in India to initiate phase three clinical trials on Favipiravir for COVID-19 patients in India.
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