Gilead Sciences spikes after human trials start on a possible coronavirus treatment

Shares of Gilead Sciences surged as much as 13% in pre-market trading Monday amid reports human testing will begin on an experimental drug designed to treat coronavirus.

The drug — called remdesivir — is an antiviral medication that was developed to fight infectious diseases including Ebola and SARS. It will be tested by a medical team from the China-Japan Friendship Hospital in Beijing to see if it will treat coronavirus, Bloomberg news reported, citing a spokeswoman from the hospital. 

The trial for the drug will take place in Wuhan, China, where the coronavirus outbreak began. As many as 270 patients with mild and moderate pneumonia from coronavirus will be recruited for the study, which will be randomized, double-blinded, and placebo controlled, according to Bloomberg.  

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A traveler wears a face mask as he sits in a waiting room at the Beijing West Railway Station in Beijing, Tuesday, Jan. 21, 2020. A fourth person has died in an outbreak of a new coronavirus in China, authorities said Tuesday, as more places stepped up medical screening of travelers from the country as it enters its busiest travel period. (AP Photo/Mark Schiefelbein)
A girl wearing a face mask sits among suitcases at Hong Kong International Airport in Hong Kong, Tuesday, Jan. 21, 2020. Face masks sold out and temperature checks at airports and train stations became the new norm as China strove Tuesday to control the outbreak of a new coronavirus that has reached four other countries and territories and threatens to spread further during the Lunar New Year travel rush. (AP Photo/Ng Han Guan)
Travelers wearing face masks gather at Hong Kong International Airport in Hong Kong, Tuesday, Jan. 21, 2020. Face masks sold out and temperature checks at airports and train stations became the new norm as China strove Tuesday to control the outbreak of a new coronavirus that has reached four other countries and territories and threatens to spread further during the Lunar New Year travel rush. (AP Photo/Ng Han Guan)
Staff in biohazard suits hold a metal stretcher by the in-patient department of Wuhan Medical Treatment Center, where some infected with a novel coronavirus are being treated, in Wuhan, China, Tuesday, Jan. 21, 2020. Heightened precautions were being taken in China and elsewhere Tuesday as governments strove to control the outbreak of the coronavirus, which threatens to grow during the Lunar New Year travel rush. (AP Photo/Dake Kang)
Peatones con máscaras de protección en una zona comercial de Tokio, el jueves 16 de enero de 2020. (AP Foto/Eugene Hoshiko)
Health workers wear protective gear Wednesday, Aug. 27, 2003, in Ward E3 of the Alice Ho Miu Ling Nethersole Hospital in Hong Kong's New Territories, where 24 patients were quarantined after seven of its health workers developed flu-like symptoms, although none have tested positive for SARS. According to a hospital spokesperson five nurses and two health care assistants working in the hospital's Ward E3 developed symptoms such as coughs, sore throats and fevers on Friday. Hong Kong's health chief, Dr.Yeoh Eng-kiong, said that preliminary test results showed patients' samples did not contain coronavirus that causes SARS and researchers are trying to identify the cause of the illness. (AP Photo/Anat Givon)
WUHAN, CHINA - JANUARY 21 2020: Workers monitor screens for fever signs on passengers detected by infrared detectors at Hankou Railway Station in Wuhan in central China's Hubei province Tuesday, Jan. 21, 2020. A new type of coronavirus has infected hundreds of people in the city.- PHOTOGRAPH BY Feature China / Barcroft Media (Photo credit should read Feature China / Barcroft Media via Getty Images)
WUHAN, CHINA - JANUARY 21 2020: Passengers wearing protective masks walk inside Hankou Railway Station in Wuhan in central China's Hubei province Tuesday, Jan. 21, 2020. A new type of coronavirus has infected hundreds of people in the city.- PHOTOGRAPH BY Feature China / Barcroft Media (Photo credit should read Feature China / Barcroft Media via Getty Images)
WUHAN, CHINA - JANUARY 21 2020: Passengers wearing protective masks walk outside Hankou Railway Station in Wuhan in central China's Hubei province Tuesday, Jan. 21, 2020. A new type of coronavirus has infected hundreds of people in the city.- PHOTOGRAPH BY Feature China / Barcroft Media (Photo credit should read Feature China / Barcroft Media via Getty Images)
WUHAN, CHINA - JANUARY 21 2020: Passengers wearing protective masks walk inside Hankou Railway Station in Wuhan in central China's Hubei province Tuesday, Jan. 21, 2020. A new type of coronavirus has infected hundreds of people in the city.- PHOTOGRAPH BY Feature China / Barcroft Media (Photo credit should read Feature China / Barcroft Media via Getty Images)
BEIJING, CHINA - JANUARY 21: Chinese travellers wear protective masks as they arrive to board trains at Beijing Railway station before the annual Spring Festival on January 21, 2020 in Beijing, China. The number of cases of a deadly new coronavirus rose to nearly 300 in mainland China Tuesday as health officials stepped up efforts to contain the spread of the pneumonia-like disease which medicals experts confirmed can be passed from human to human. The number of those who have died from the virus in China climbed to six on Tuesday and cases have been reported in other parts of Asia including in Thailand, Japan, Taiwan and South Korea. (Photo by Kevin Frayer/Getty Images)
YICHANG, CHINA - JANUARY 21 2020: Travelers wearing protective masks walk outside a railway station in Yichang in central China's Hubei province Tuesday, Jan. 21, 2020. China has stepped up the measures to control the spread of the new coronavirus that has infected hundreds of people in China.- PHOTOGRAPH BY Feature China / Barcroft Media (Photo credit should read Feature China / Barcroft Media via Getty Images)
BEIJING, CHINA - JANUARY 21: A Chinese girl wears a protective mask as her mother pushes her on a suitcase to board a train at Beijing Railway station before the annual Spring Festival on January 21, 2020 in Beijing, China. The number of cases of a deadly new coronavirus rose to nearly 300 in mainland China Tuesday as health officials stepped up efforts to contain the spread of the pneumonia-like disease which medicals experts confirmed can be passed from human to human. The number of those who have died from the virus in China climbed to six on Tuesday and cases have been reported in other parts of Asia including in Thailand, Japan, Taiwan and South Korea. (Photo by Kevin Frayer/Getty Images)
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China's coronavirus has so far killed more than 360 and infected more than 17,000 people around the world, sending stocks lower as markets react to the continued spread of the virus. A number of pharmaceutical company stocks have traded higher after announcing work on different treatments or vaccines for the disease as China works to curb the outbreak. 

Gilead's experimental drug has not been approved for use by any drug regulator in the world, the company said in a statement. Still, the drug is being used on patients with coronavirus due to a lack of other options.

The drug was given to the first US patient with coronavirus, a 35-year-old man in Washington state, Bloomberg reported. It appeared that his pneumonia had improved after a day, encouraging further tests of the drug and its potential to treat coronavirus. 

The trial in China could fast-track approval of remdesivir by the Chinese drug regulator, Bloomberg reported. In China, drugs can be approved on a conditional basis with clinical data demonstrating efficacy against life-threatening ailments with no existing therapies, according to the report. 

Gilead Sciences had lost 3% year-to-date through Friday's close.

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