FOSTER CITY - Gilead Sciences, Inc. (Nasdaq: GILD) announced today that it has submitted a New Drug Application (NDA) to the U.S. Food and Drug Administration (FDA) for Veklury (remdesivir), an investigational antiviral for the treatment of patients with COVID-19.

Veklury is currently available in the U.S. under an Emergency Use Authorization for the treatment of hospitalized patients with severe COVID-19. The filing is the final tier of the rolling NDA submission that was initiated on April 8, 2020.

The filing is supported by data from two randomized, open-label, multi-center Phase 3 clinical studies of Veklury conducted by Gilead and the Phase 3 randomized, placebo-controlled study of Veklury conducted by the National Institute of Allergy and Infectious Diseases (NIAID). These studies demonstrated that treatment with Veklury led to faster time to recovery compared with placebo and that a 5-day or 10-day treatment duration led to similar clinical improvement. Across studies, Veklury was generally well-tolerated in both the 5-day and 10-day treatment groups, with no new safety signals identified.

'Since the beginning of the pandemic, Gilead has worked with urgency to establish the efficacy and safety profile of Veklury, and we now have a robust data set supporting the evaluation of use of the drug across a range of hospitalized COVID-19 patient populations,' said Merdad Parsey, MD, PhD, Chief Medical Officer, Gilead Sciences. 'Today's filing is an important milestone as we continue to partner with the U.S. government and healthcare authorities around the globe to address the treatment needs of patients with COVID-19.'

Veklury has been approved by multiple regulatory authorities around the world, including in the European Union and Japan. In countries where Veklury has not been approved, including the United States, Veklury is an investigational drug and the safety and efficacy of remdesivir have not been established.

About Veklury

Veklury (remdesivir) is an investigational nucleotide analog with broad-spectrum antiviral activity both in vitro and in vivo in animal models against multiple emerging viral pathogens. Multiple ongoing international Phase 3 clinical trials are evaluating the safety and efficacy of Veklury for the treatment of SARS-CoV-2 infection, the virus that causes COVID-19, in different patient populations, formulations, and in combination with other therapies.

Important Information about Veklury in the United States

In the United States, Veklury (remdesivir) is authorized for use under an Emergency Use Authorization (EUA) only for the treatment of patients with suspected or laboratory-confirmed SARS-CoV-2 infection and severe COVID-19. Severe disease is defined as patients with an oxygen saturation (SpO2) 94% on room air or requiring supplemental oxygen or requiring mechanical ventilation or requiring extracorporeal membrane oxygenation (ECMO). Veklury must be administered via intravenous (IV) infusion and is supplied two ways: Veklury (remdesivir) for injection, 100 mg, lyophilized powder, or Veklury (remdesivir) injection, 100 mg/20 mL (5 mg/mL), concentrated solution.

Veklury is an investigational drug that has not been approved by the FDA for any use, and the safety and efficacy of Veklury for the treatment of COVID-19 have not been established. This authorization is temporary and may be revoked, and does not take the place of the formal new drug application submission, review and approval process.

There are limited clinical data available for Veklury. Serious and unexpected adverse events may occur that have not been previously reported with Veklury use. Hypersensitivity reactions, including infusion-related and anaphylactic reactions, have been observed during and following administration of Veklury. The use of Veklury is contraindicated in patients with known hypersensitivity to remdesivir. Transaminase elevations have been observed in healthy volunteers and patients with COVID-19 in clinical trials who received Veklury. Patients should have appropriate clinical and laboratory monitoring to aid in early detection of any potential adverse events. Monitor renal and hepatic function prior to initiating and daily during therapy with Veklury; additionally monitor serum chemistries and hematology daily during therapy. Do not initiate Veklury in patients with ALT 5x ULN or with an eGFR

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