Can the RSV vaccine protect the most vulnerable? new study aims to find out
NCT ID NCT07296120
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether the RSV vaccine Abrysvo can help blood cancer patients who have had a stem cell transplant or CAR-T therapy build immunity against RSV. Researchers will measure antibody levels before and after vaccination in 30 adults. The goal is to see if the vaccine triggers a strong enough immune response to prevent serious respiratory infections.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Respiratory Syncytial Virus Prefusion F Vaccine (RSVpreF, brand name Abrysvo)
- What this could lead to
- If it works, this could show that the RSV vaccine protects vulnerable blood cancer patients from severe respiratory infections after transplant or CAR-T therapy.
- What could go wrong
- This is a small, early-phase study with only 30 participants, so results may not apply to everyone. The vaccine may not produce a strong immune response in these patients due to their weakened immune systems.
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
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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Jan 2026
An estimate. Start dates often move.
- Expected to finish
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Jun 2027
An estimate. End dates often move.
- Lead sponsor
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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
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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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: * Age 18 years or older * Diagnosis of hematological malignancy * Treatment with HSCT or CAR-T therapy * Must be able to give informed consent * Must be willing to provide blood samples after HSCT or CAR-T therapy and prior to vaccination * Must be willing to provide blood samples at four weeks and six months post-vaccination * Must have an insurance plan that covers the cost of recieving the RSV vaccine. Exclusion Criteria: * History of a severe allergic reaction to any component of the RSV vaccine * Use of intravenous immunoglobulin (IVIG) for hypogammaglobulinemia within the past six months
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Get notified about this study
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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.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Cooper University Hospital
Camden, New Jersey, 08103, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a Platelet-Boosting drug speed recovery after stem cell transplant?
- Can regional data improve bone marrow transplant results for blood cancers?
- Could a frailty score predict which older cancer patients survive intensive care?
- Why COVID-19 hits blood cancer patients harder: scientists map the immune clues
- Softer chemo before stem cell transplant aims to cure blood cancers in frail children
- Can a new drug stop the Body's attack after stem cell transplants?