Letermovir Treatment for Refractory or Resistant Cytomegalovirus Infection

Status Completed

Clinical Trial Summary

The trial will evaluate the safety and efficacy of letermovir antiviral treatment of active cytomegalovirus infection or cytomegalovirus disease in patients with infections that are refractory or resistant to available treatments or who are experiencing organ dysfunction that makes unsafe the use of available antiviral treatments.

Clinical Trial Description

This is a Phase II clinical trial. Phase II clinical trials test the safety and effectiveness of an investigational drug to learn whether the drug works in treating a specific disease. "Investigational" means that the drug is being studied. The FDA (the U.S. Food and Drug Administration) has not approved letermovir for treatment of cytomegalovirus infection, but it has approved letermovir for the prevention of cytomegalovirus infection in bone-marrow transplantation patients. This is the first time that letermovir will be administered to children in a clinical trial. Cytomegalovirus (CMV) is a common virus, which a majority of people acquire at some time in their life. CMV remains in your body, but does not cause symptoms in the majority of people. Patients with a weakened immune system (a system that protects you from infections) may be more at risk for the virus becoming active and causing damage to some of your organs, especially in the gut and lungs. If the virus becomes present above a certain quantity, the doctor usually prescribes a drug to treat the infection at this stage to avoid damage to the organs. In this case, the virus is no longer responding to the prescribed drug, and other drug options will be harmful to the participant's health. Participants are being invited to take part in a research study for an investigational drug called letermovir. The purpose of this study is to find out whether letermovir is as effective and as safe in treating CMV infection in patients who cannot tolerate standard treatments such as ganciclovir or foscarnet. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03728426
Study type	Interventional
Source	Dana-Farber Cancer Institute
Contact
Status	Completed
Phase	Phase 2
Start date	January 11, 2019
Completion date	March 28, 2022

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.