WSJ: Hydroxychloroquine and azithromycin continue to show results Against the Wuhan Virus in the Severely ill
From the Wall Street Journal:
For my entire career, I have taken a conservative approach to medicine. I don’t want to give false or premature hope. All of this is subject to further refinement as more information arrives. But likewise I can’t ignore the available evidence. This appears to be the best widely available option for treating Covid-19 and not merely easing the suffering from the disease. It would be irresponsible not to pursue this option aggressively.
….For HC, two bodies of evidence support its potential in treating Covid-19: in vitro (test tube) studies and initial clinical reports from the field. After the 2002-03 global outbreak of SARS, a coronavirus related to the one that causes Covid-19, an in vitro study conducted by doctors from the Centers for Disease Control and Prevention identified chloroquine (a relative of HC) as an attractive option for prevention and treatment. If added before the virus was introduced, the drug was highly effective in preventing cellular infection. Even later application markedly inhibited infection. Another contemporaneous study showed similar results.
As for Covid, a Chinese study published March 9 showed HC has excellent in vitro effects. Other recent information suggests potential antiviral mechanisms of HC and chloroquine.The bedrock of all infectious medicine, from developing treatments for specific infections to treating individual patients, is in vitro laboratory testing and patient trials. Covid-19 is no exception. Current laboratory data suggest that HC should work.
Clinical information has also emerged from Covid treatment. During the initial Chinese outbreak, Wuhan doctors observed that patients with lupus—a disease for which HC is a common treatment—did not seem to develop Covid-19. Of 178 hospital patients who tested positive, none had lupus and none were on HC. None of this Wuhan hospital’s dermatology department’s 80 lupus patients were infected with the novel coronavirus. The Wuhan doctors hypothesized that this may be due to long-term use of HC. They treated 20 Covid-19 patients with HC. Their result: “Clinical symptoms improve significantly in 1 to 2 days. After five days of chest CT examination, 19 cases showed significant absorption improvement.”
Second, consider AZ—the antibiotic marketed as Z-Pak—combined with HC. The French study showed that 57% of 14 Covid-19 patients receiving HC without AZ tested negative for the virus on a nasal swab on day six. But 100% of the six patients who received both HC and AZ tested negative on day six. Compare that with 16 infected patients at another hospital who didn’t receive either treatment: only 12% tested negative on day six. These are small samples, but significant.
The authors of the French study last week published the results of an additional 80 hospitalized patients receiving a combination of HC and AZ. By day eight of treatment, 93% showed a negative nasopharyngeal swab for the virus. “This allowed patients to rapidly be discharged from highly contagious wards with a mean length of stay of five days,” the authors write. “Other teams should urgently evaluate this cost-effective therapeutic strategy, to both avoid the spread of the disease and treat patients as soon as possible before severe respiratory irreversible complications take hold.” I agree.