Detection of Severe Acute Respiratory Syndrome Coronavirus 2 in Pregnant Women Treated with Nirmatrelvir/Ritonavir (Paxlovid) Using Salivary Polymerase Chain Reaction: A Prospective Cohort Study
2024

COVID-19 and Paxlovid Treatment in Pregnant Women

Sample size: 37 publication 10 minutes Evidence: moderate

Author Information

Author(s): Tseng Chun-Han, Lin Chih-Wei, Tsai Pei-Yin, Su Mei-Tsz

Primary Institution: National Cheng Kung University Hospital

Hypothesis

What is the effect of Paxlovid on viral load in pregnant women with COVID-19?

Conclusion

Saliva is a useful diagnostic tool for COVID-19 in pregnant women, and those treated with Paxlovid showed a significant decrease in viral load.

Supporting Evidence

  • Saliva specimens had a detection rate of 83.8% for COVID-19.
  • Viral load decreased significantly in the Paxlovid group compared to the non-antiviral group.
  • Salivary PCR Ct values were significantly higher than nasopharyngeal swabs in the Paxlovid group.

Takeaway

This study shows that pregnant women can use saliva to test for COVID-19, and taking Paxlovid helps reduce the virus in their bodies.

Methodology

Pregnant women with COVID-19 were divided into two groups: those receiving Paxlovid and those receiving no antiviral treatment, and their viral loads were compared using salivary PCR.

Potential Biases

Potential selection bias due to pre-existing conditions in the Paxlovid group.

Limitations

The study had limitations including inconsistent quality of self-collected saliva samples and a limited sample size.

Participant Demographics

Median age of participants was 32 years; 25.4% received initial vaccination series only, and 34.5% received a booster.

Statistical Information

P-Value

0.021

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/microorganisms12122566

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