The racetrack study adds to evidence that there may be a benefit to giving the drug even though it wasn’t a randomized, controlled trial, which many consider to be the gold standard for clinical evidence. But six of 48 people who declined fluvoxamine were hospitalized and one died. What’s more, 60 percent still reported experiencing a variety of symptoms including shortness of breath and muscle and joint pain two weeks after their diagnosis. No one who chose to take the drug suffered serious complications and, after 14 days, none reported lingering symptoms such as anxiety, fatigue and brain fog. The treatment group had a higher proportion of Latinos and tended to be sicker - 62 percent entered the study with COVID-19 symptoms compared with 42 percent of the group that declined treatment. Sixty-five people chose to take the drug, and 48 declined. The group was predominantly male and Latino, and 30 percent had chronic medical problems such as diabetes or high blood pressure. Seftel shared the emerging data on fluvoxamine with 113 infected track workers and offered a 14-day course of fluvoxamine - 50 milligrams taken twice a day - provided by the racetrack facility at no cost to those who could safely take the drug. See all our coverage of the coronavirus pandemic This anti-platelet activity, together with the mouse and cell data, explain how fluvoxamine might squelch out-of-control immune activity and prevent blood clots - both key features of severe COVID-19 ( SN: 9/25/20 SN:11/02/20). Fluvoxamine also blocks activation of platelets, blood components important for clotting. 4 Science showed that knocking down levels of sigma-1 receptor in cultured cells lowered infection rates with SARS-CoV-2, the virus that causes COVID-19. In addition, lab dish experiments described in the Dec. In a 2019 study that inspired the randomized trial, mice that lacked sigma-1 receptor died from systemic inflammation known as sepsis, whereas fluvoxamine treatment protected animals from deterioration and death. The drugs, most notably fluvoxamine, also activate a protein called the sigma-1 receptor that prevents production of chemical messengers that exacerbate inflammatory reactions. SSRIs increase levels of the chemical messenger serotonin in the brain. Fluvoxamine, which is sold as Luvox, is a selective serotonin reuptake inhibitor, or SSRI, typically prescribed for obsessive-compulsive disorder. The drug’s biochemistry implied it might be able to regulate cellular responses to stress and infection. “I immediately dove into the biochemistry,” he says. It wasn’t just the trial results that intrigued Seftel, however. By comparison, six of 72 patients, or 8.3 percent, who took placebo tablets worsened and needed hospitalization, researchers reported in November in the Journal of the American Medical Association. Kirsch shared results from a fund-supported randomized trial in which none of 80 newly diagnosed COVID-19 patients assigned to a two-week course of fluvoxamine became seriously ill. Earlier that month, Seftel had heard about fluvoxamine during a presentation by tech entrepreneur Steve Kirsch, whose COVID-19 Early Treatment Fund supports research on existing drugs that could be repurposed to treat coronavirus infections. Racetrack physician David Seftel and David Boulware, an infectious disease physician-scientist at the University of Minnesota Medical School in Minneapolis, led the real-world test of fluvoxamine after hundreds of workers became infected with the virus around Thanksgiving. Sign up for e-mail updates on the latest coronavirus news and research Food and Drug Administration, could be considered for patients at high risk of suffering severe COVID-19 symptoms. However, some experts say that the new findings, along with cell, animal and human observational data, suggest that a two-week course of fluvoxamine, which costs about $10 and is already approved by the U.S. The data need verification from ongoing larger clinical trials. Two got so sick they were put on a ventilator to assist with breathing, and one died, researchers report February 1 in Open Forum Infectious Diseases. In comparison, 12.5 percent of those who turned down the drug wound up hospitalized. Of those who opted to take fluvoxamine, none got sicker, and within two weeks, their symptoms cleared. The results come from real-world use of the drug to treat workers at the Golden Gate Fields horse racing track in Berkeley, Calif. The antidepressant fluvoxamine could prevent people from getting seriously ill with COVID-19, curbing hospitalizations, new data show.
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