Is antiviral therapy indicated for COVID-19 in patients with Leukocyte Adhesion Deficiency (LAD)?

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Last updated: June 16, 2025View editorial policy

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From the Guidelines

Antiviral therapy is indicated for COVID-19 in patients with Leukocyte Adhesion Deficiency (LAD) to reduce morbidity and mortality. Given their immunocompromised status, LAD patients are at a higher risk for severe COVID-19 disease. The World Health Organization (WHO) has provided guidelines on the treatment of COVID-19, including the use of antiviral medications such as remdesivir 1. For patients with severe COVID-19, the WHO suggests treatment with remdesivir, which is a weak or conditional recommendation. Key considerations for treating COVID-19 in LAD patients include:

  • The use of antiviral therapy to reduce the risk of severe disease and mortality
  • Close monitoring for disease progression and potential bacterial superinfections
  • Careful evaluation of medication interactions, particularly with Paxlovid
  • The potential need for combination therapy, such as remdesivir and dexamethasone, in hospitalized patients with severe disease. It is essential to initiate treatment promptly in LAD patients with COVID-19, given their impaired innate immune response and increased risk of complications. The choice of antiviral medication and treatment regimen should be individualized based on the patient's specific needs and medical history. In general, treatment with antiviral medications such as remdesivir or Paxlovid is recommended for LAD patients with COVID-19, with the goal of reducing morbidity and mortality and improving quality of life.

From the FDA Drug Label

VEKLURY is indicated for the treatment of coronavirus disease 2019 (COVID-19) in adults and pediatric patients (birth to less than 18 years of age weighing at least 1. 5 kg) who are [see Clinical Studies (14)]: Hospitalized, or Not hospitalized and have mild-to-moderate COVID-19, and are at high risk for progression to severe COVID-19, including hospitalization or death.

The FDA drug label does not specifically address the use of remdesivir (VEKLURY) in patients with Leukocyte Adhesion Deficiency (LAD) for the treatment of COVID-19. However, it does indicate that VEKLURY is approved for the treatment of COVID-19 in certain patient populations, including those at high risk for progression to severe COVID-19.

  • Key points:
    • The label does not provide information on the use of VEKLURY in patients with LAD.
    • Patients with LAD may be at higher risk for severe COVID-19 due to their underlying immunodeficiency.
    • The decision to use VEKLURY in a patient with LAD should be made on a case-by-case basis, considering the individual patient's risk factors and medical history.
    • Clinical judgment is necessary to determine the best course of treatment for patients with LAD and COVID-19 2.

From the Research

Antiviral Therapy for COVID-19 in Patients with Leukocyte Adhesion Deficiency (LAD)

  • There is limited direct evidence on the treatment of COVID-19 in patients with Leukocyte Adhesion Deficiency (LAD) specifically.
  • However, studies on the use of antiviral therapy, such as remdesivir, in immunocompromised patients provide some insights 3, 4, 5, 6.
  • Remdesivir has been shown to be effective in shortening the time to recovery in hospitalized patients with COVID-19 6.
  • In immunocompromised patients, such as those with chronic lymphocytic leukemia, remdesivir has been found to have a suppressive but not curative effect on COVID-19 3.
  • A case report on a patient with acute lymphoblastic leukemia and concomitant SARS-CoV-2 infection found that treatment with remdesivir and convalescent plasma led to rapid resolution of the infection 5.
  • The use of remdesivir in patients with LAD may be considered, but further studies are needed to confirm its efficacy and safety in this specific population.

Considerations for Treatment

  • The decision to use antiviral therapy, such as remdesivir, in patients with LAD and COVID-19 should be made on a case-by-case basis, taking into account the individual patient's condition and medical history.
  • The potential benefits and risks of treatment should be carefully weighed, and patients should be closely monitored for adverse events and treatment outcomes.
  • Further research is needed to fully understand the effects of antiviral therapy in patients with LAD and COVID-19, and to develop evidence-based treatment guidelines for this population 4, 7.

Professional Medical Disclaimer

This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.

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