New antibody treatment aims to shield transplant patients from dangerous virus
NCT ID NCT05370976
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested a drug called Cytotect, which contains antibodies against the CMV virus, to prevent CMV infection in people who had a stem cell transplant and developed graft-versus-host disease (GVHD). These patients are at high risk for CMV, and current antiviral drugs often cause serious side effects. The trial was very small and was stopped early, so we cannot draw firm conclusions about how well Cytotect works.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Cytotect (hyperimmune anti-CMV immunoglobulin)
- What this could lead to
- If it works, this could provide a safer way to prevent CMV infection in high-risk transplant patients, avoiding the severe side effects of current antiviral drugs.
- What could go wrong
- This was a very small, early-phase trial that was terminated early with only 2 participants, so results are not reliable. The drug may not prevent CMV infection effectively.
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 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
-
2 people
The number who actually took part.
- Started
-
Sep 2022
- Finished
-
Aug 2023
- 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 Hide 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: * Able to provide informed consent * Patients before day from 29 days to 150 days of first allo-HCT * Any indication, any stem cell source, any conditioning, any donor type or HLA-matching * Patients with positive CMV-serostatus before transplant * Patients with first episode of grade II-IV acute GVHD requiring systemic corticosteroids ≥1 mg/kg/day * Absence of CMV infection at the time of inclusion * Absence of other viral infections (EBV, adenovirus, BK virus) at the time of inclusion * Absence of dialysis * Absence of thrombotic microangiopathy * Absence of macrophage activation syndrome Exclusion Criteria: * \- Patients receiving corticosteroids \> 0.5 mg/kg/day for more than 5 days before inclusion * Uncontrolled CMV infection within 02 weeks before inclusion * Inability to understand the investigational nature of the study or to give informed consent * ECOG Performance Status ≥ 3 * Evidence of relapse of underlying disease * Patients receiving or having received anti-CMV treatment within 30 days before inclusion (acyclovir and valacyclovir are not considered as CMV prophylaxis) * Hypersensitivity to Cytotect®CP or to any of the excipients * Hypersensitivity to human immunoglobulins, especially in patients with antibodies against IgA * Patients with any contra-indication to Cytotect®CP * Females either pregnant/breast-feeding or planning to become pregnant * Patients developing post-DLI grade II-IV acute GVHD * Freedom privacy * Absence of medical insurance cover
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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.
Contacts and locations
Locations
-
Hop Claude Huriez Chu Lille
Lille, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Banked t cells target four viruses at once in children after transplant
- Can we outsmart Drug-Resistant CMV in transplant patients?
- Can we map CMV's spread in daycares to shield future pregnancies?
- Can immune cells predict herpesvirus danger in transplant patients?
- Can specially grown immune cells from donors beat viruses that won't go away?
- Immune cell levels may predict who will develop severe CMV after transplant