Vaccination against RSV in patients with weakened immune systems
Official title: A Phase-2b Controlled Study to Evaluate the Humoral and Cellular Immune Response and Safety Following One and Two Doses of an Adjuvanted RSV Subunit Vaccine in Immunocompromised Patients Aged 18 Years and Older.
Run by Medical University of Vienna · NCT06597916 · Data updated 2026-11-12
This study tests if giving two doses of the RSV vaccine to patients with weakened immune systems helps them better fight off RSV infections compared to the standard one dose given to healthy older adults.
Quick facts
| Phase | Phase 2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 200 (estimated) |
| Sponsor | Medical University of Vienna Academic / other |
| Drugs / interventions | chemotherapy, immunotherapy |
| Locations | 1 site (Vienna) |
| Status | Recruiting |
| Started | September 19, 2024 |
| Main results expected | August 31, 2025 |
| Study ends | March 31, 2026 |
| Registry record updated | November 27, 2024 |
| Trial ID | NCT06597916 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates include immunocompromised individuals, such as those with solid tumors or hematological malignancies, particularly those who have undergone stem cell transplantation.
✕Probably not a fit
Patients who are not immunocompromised or those who do not meet the specific eligibility criteria may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This study evaluates the effectiveness and safety of administering two doses of the RSV vaccine Arexvy to immunocompromised patients, compared to the standard one dose given to healthy elderly individuals. The research focuses on patients with conditions such as solid tumors and hematological malignancies, particularly those who have undergone hematopoietic stem cell transplantation. By assessing immune responses after both doses, the study aims to determine if additional vaccination can enhance protection against RSV infections in these high-risk groups.
Why it matters
Potential benefit: If successful, this study could lead to improved vaccination strategies that significantly reduce RSV-related infections and mortality in immunocompromised patients.
How similar studies have gone: While there is limited data on the specific use of RSV vaccines in immunocompromised populations, similar studies have shown promise in enhancing vaccine responses in high-risk groups.
Who can join: the full rules
Show full inclusion / exclusion criteria
General inclusion criteria 1. Participants who, in the opinion of the investigator, can understand and will comply with the requirements of the protocol. 2. Participants living in the general community or in an assisted-living facility that provides minimal assistance can be enrolled, such that the participant is primarily responsible for self-care and activities of daily living. 3. Participants who can give written informed consent prior to study entry and performance of any study-specific procedure. 4. Female participants of non-childbearing potential may be enrolled in the study. Non-childbearing potential is defined as hysterectomy, post-menopause, premenarche, bilateral oophorectomy, or bilateral salpingectomy 5. Female participants of childbearing potential may be enrolled in the study if the participant has practiced adequate contraception from 1 month prior to first Arexvy vaccination and agreed to continue adequate contraception for at least 1 month after completion of the last study intervention administration, and has a negative pregnancy test on the day of first vaccination prior to vaccine application. 6. Participants with chronic medical conditions with or without specific treatment are allowed to participate in this study if considered by the investigator as medically stable. 7. Additional inclusion criteria for "group 1": 7.1. Age ≥18 years at the time of signing the Informed consent form (ICF). 7.2. Diagnosis of a hemato-oncological disease: multiple myeloma including early stage disease or lymphoma in participants medically stable in the opinion of the investigator at study inclusion. 7.3. Participants without SCT or ≥3 months after autologous SCT until 24 months after SCT. SCT \>24 months, if they have ongoing immunomodulatory/suppressive treatment. 7.4. Immunosuppressive or modulating medication related to the hemato-oncological disease are allowed. 8. Additional inclusion criteria for "group 2": 8.1. Age ≥18 years at the time of signing the Informed consent form (ICF). 8.2. Diagnosis of lung cancer ≥ stage 1. 8.3. Ongoing cancer treatment (including chemotherapy and immunotherapy) or initiation planned within 14 days and treatment initiation/vaccinations preferentially scheduled between treatment cycles. 9. Additional inclusion criteria for "group 3": 9.1. Age ≥18 years at the time of signing the Informed consent form (ICF). 9.2. Diagnosis of an autoimmune/chronic inflammatory disease with chronic inflammatory bowel disease (IBD) or rheumatoid arthritis (RA). 9.3. Treatment with biologicals such as TNF-alpha blocker, anti-CD20, JAK-inhibitors or other biological treatment (combinations with DMARDs, immunomodulators or steroidal or non-steroidal anti-inflammatory drugs are allowed). 9.4. Stable disease at time of study entry. 10. Additional inclusion criteria for "group 4": 10.1. Age ≥60 years at the time of signing the Informed consent form (ICF). 10.2. Healthy, as established by medical history before entering the study with medically stable/controlled chronic conditions such as diabetes, hypertension or cardiac disease allowed.
Where it's running
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Institute of Specific Prophylaxis and Tropical Medicine, CePII, Medical university of Vienna
Vienna, Austria Recruiting
Study contacts
- Study coordinator: Angelika Wagner, MD, PhD
- Email: angelika.wagner@meduniwien.ac.at
- Phone: +43 1 40160 38276
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Zelicapavir for RSV infection in young children
This study tests whether Zelicapavir can help treat RSV infection in children aged 28 days to 36 months who are showing symptoms.
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Preventing RSV in infants born in France during the 2024–2025 season
This questionnaire will see if infants born in metropolitan France between October 1, 2024 and January 31, 2025 are reached by and receive new RSV prevention measures such as nirsevimab or vaccines.
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Revaccination with RSV vaccine during subsequent pregnancies
This study is testing if giving a second dose of the RSV vaccine to pregnant women who already had it is safe and effective for them and their babies.
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Revaccination with SCB-1019T vaccine in older adults
This study is testing a new vaccine called SCB-1019T to see if it can boost immunity in healthy adults aged 60-85 who have already received the AREXVY vaccine.
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Evaluating the effectiveness of RSV vaccines in real-world settings
This study is testing how well RSV vaccines work in the real world for infants who get respiratory illnesses.
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Measuring how RSV affects young children seen in clinics and hospitals
This project will test adding lab tests for RSV, flu, and COVID-19 for children under 2 who come to clinics or hospitals with ear infections or bronchiolitis to see how often RSV causes their illness.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.