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  • Paxlovid and...

Paxlovid and Molnupiravir Reduce Mortality and Hospitalisation in High-Risk Omicron-Infected Patients

Written By : Dr Riya Dave |Medically Reviewed By : Dr. Kamal Kant Kohli Published On 2023-09-23T11:30:28+05:30  |  Updated On 23 Sept 2023 11:33 AM IST
Paxlovid and Molnupiravir Reduce Mortality and Hospitalisation in High-Risk Omicron-Infected Patients
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Ritonavir-boosted Nirmatrelvir and Molnupiravir, two oral antiviral drugs currently used to treat nonhospitalized COVID-19 patients at high risk of progressing to severe disease, have not been extensively studied for their effectiveness against new SARS-CoV-2 Omicron sub variants, particularly BQ.1.1 and XBB.1.5. To address this, a cohort study published in JAMA Network Open by Dan-Yu Lin and colleagues was conducted among COVID-19 patients diagnosed at the Cleveland Clinic between April 1, 2022, and February 20, 2023. These patients were assessed for high-risk factors and followed up for 90 days after diagnosis as the Omicron variant evolved through various sub variants.

  • The study included 68,867 patients, with a significant proportion aged 65 or older (42.7%) and male patients (38.9%). Among them, 30 out of 22,594 patients treated with nirmatrelvir, 27 out of 5,311 patients treated with molnupiravir, and 588 out of 40,962 patients who received no treatment died within 90 days of Omicron infection.
  • After adjusting for various factors, the hazard ratios (HRs) for death were 0.16 (95% CI, 0.11-0.23) for nirmatrelvir and 0.23 (95% CI, 0.16-0.34) for molnupiravir.
  • Additionally, the adjusted HRs for hospitalisation or death were 0.63 (95% CI, 0.59-0.68) for nirmatrelvir and 0.59 (95% CI, 0.53-0.66) for molnupiravir.
  • These positive associations with reduced mortality and hospitalisation were consistent across various patient subgroups, including age, race and ethnicity, virus strain, vaccination status, previous infection status, and coexisting conditions.

This study concludes that nirmatrelvir and molnupiravir are associated with significant reductions in mortality and hospitalisation among nonhospitalized COVID-19 patients infected with Omicron, regardless of age, race, virus strain, vaccination status, previous infection, or coexisting conditions. These drugs are effective treatments for high-risk COVID-19 patients and can aid in preventing severe disease outcomes.

Reference:

Lin, D.-Y., Abi Fadel, F., Huang, S., Milinovich, A. T., Sacha, G. L., Bartley, P., Duggal, A., & Wang, X. Nirmatrelvir or molnupiravir use and severe outcomes from Omicron infections. JAMA Network Open,2023;6(9),e2335077. https://doi.org/10.1001/jamanetworkopen.2023.35077

JAMA Network OpenRitonavir boosted NirmatrelvirmolnupiravirOmnicron variantcovid treatmentantiviral drugs
Source : JAMA Network Open
Dr Riya Dave
Dr Riya Dave

    Dr Riya Dave has completed dentistry from Gujarat University in 2022. She is a dentist and accomplished medical and scientific writer known for her commitment to bridging the gap between clinical expertise and accessible healthcare information. She has been actively involved in writing blogs related to health and wellness.

    Dr. Kamal Kant Kohli
    Dr. Kamal Kant Kohli

    Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: drkohli@medicaldialogues.in. Contact no. 011-43720751

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