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New drug aims to stop CMV from coming back after transplant

NCT ID NCT06407232

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether the drug letermovir can prevent cytomegalovirus (CMV) from coming back in kidney or kidney/pancreas transplant patients who are at high risk. About 90 adults will take letermovir daily for 84 days and be followed for 6 months. The goal is to see if it reduces the number of CMV flare-ups and the need for other treatments.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
Letermovir (Prevymis)
What this could lead to
If successful, letermovir could offer a new way to prevent CMV from coming back after treatment in transplant patients, reducing the need for other antiviral drugs.
What could go wrong
This is a phase 3 trial with only 90 participants, so results may not apply to everyone. Letermovir may not work as well as hoped, and side effects are possible.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Phase 3

Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.

Participants

About 90 people

The number the study aims to enrol. It can still change while the study runs.

Started

Aug 2024

Expected to finish

Aug 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * undergone kidney or simultaneous kidney/pancreas transplant * high-risk CMV serostatus (D+/R-) at time of transplant * develop CMV viremia that necessitates treatment per our institutional protocol (enrolled in the CMV stewardship monitoring initiative) * demonstrate proven or presumptive lack of CMI, either by CMI testing or risk factor screening * able to provide informed consent to participate Exclusion Criteria: * contraindication to letermovir or its excipients * develop ganciclovir-resistant CMV infection * currently participating in any study involving the administration of a CMV vaccine or another CMV investigational agent * unable or unwilling, in the opinion of the Investigator, to comply with the protocol * pregnant or breastfeeding

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • UW Hospital and Clinics

    RECRUITING

    Madison, Wisconsin, 53792, United States

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