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New Clinical Trial Shows Drug Combo Can Prevent Symptomatic COVID-19

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Drug combo slows the spread of Covid, clinical trial shows

COVID-19, also known as the coronavirus disease, is an infectious illness caused by the SARS-CoV-2 virus. It first emerged in Wuhan, China, in December 2019 and has since become a global pandemic, affecting millions of people worldwide.

COVID-19 is primarily transmitted through respiratory droplets from an infected person and can cause a range of symptoms, from mild to severe, including fever, cough, and difficulty breathing. While some people may only experience mild symptoms or no symptoms at all, the disease can be particularly dangerous for older adults and people with underlying health conditions. Efforts to control the spread of COVID-19 have included vaccination campaigns, social distancing, and wearing masks in public settings.

clinical trial has shown that a combination of subcutaneous casirivimab and imdevimab can prevent asymptomatic individuals from progressing to symptomatic COVID-19. This treatment can also reduce viral carriage, making it an effective method for preventing the spread of the virus.

The study involved 314 individuals who tested positive for SARS-CoV-2 within 96 hours of being in close contact with an infected individual. These individuals were randomized into two groups, with one group receiving a single dose of subcutaneous casirivimab and imdevimab, and the other receiving a placebo. The primary endpoint was the proportion of seronegative participants who developed symptomatic COVID-19 during the 28-day efficacy assessment period.

The study found that the group receiving casirivimab and imdevimab had a significantly lower incidence of symptomatic COVID-19 compared to the placebo group (29.0% vs 42.3%, respectively). The treatment also reduced the number of symptomatic weeks per 1,000 participants, resulting in a 5.6-day reduction in symptom duration per symptomatic participant. Furthermore, treatment with casirivimab and imdevimab reduced the number of high viral load weeks per 1,000 participants.

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The results of this study are significant because they indicate that easy-to-administer anti-SARS-CoV-2 treatments can prevent the progression of asymptomatic infection to symptomatic disease. This is especially important since asymptomatic individuals can still spread the virus to others, leading to further transmission and potential outbreaks.

The subcutaneous casirivimab and imdevimab treatment was well-tolerated, with fewer adverse events reported compared to the placebo group. This is encouraging as it suggests that the treatment is safe for use in a larger population.

Conclusion

Overall, this study highlights the importance of early intervention in preventing the spread of COVID-19. The subcutaneous casirivimab and imdevimab treatment is a promising option for preventing symptomatic disease in asymptomatic individuals, reducing symptom duration, and limiting viral shedding. This can potentially reduce the spread of the virus, especially in households and other close-contact settings where transmission is more likely to occur.
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JAMA, Jan-14-22
ClinicalTrials.gov NCT04452318



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This content is for informational and educational purposes only. It is not intended to provide medical advice or to take the place of such advice or treatment from a personal physician. All readers/viewers of this content are advised to consult their doctors or qualified health professionals regarding specific health questions. CenTrial Data Ltd. does not take responsibility for possible health consequences of any person or persons reading or following the information in this educational content. Treatments and clinical trials mentioned may not be appropriate or available for all trial participants. Outcomes from treatments and clinical trials may vary from person to person. Consult with your doctor as to whether a clinical trial is a suitable option for your condition. Assistance from generative AI tools may have been used in writing this article.