A Vaccine Booster (GEO-CM04S1) for the Prevention of COVID-19 in Patients With Chronic Lymphocytic Leukemia
Public ClinicalTrials.gov record NCT05672355. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Randomized Observer-Blinded Phase 2 Trial of COVID-19 Booster With GEO-CM04S1 or mRNA Vaccine in Patients With Chronic Lymphocytic Leukemia
Study identification
- NCT ID
- NCT05672355
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- City of Hope Medical Center
- Other
- Enrollment
- 80 participants
Conditions and interventions
Conditions
Interventions
- Biospecimen Collection Procedure
- Synthetic MVA-based SARS-CoV-2 Vaccine COH04S1 Biological
- mRNA COVID-19 Vaccine Biological
Procedure · Biological
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 31, 2023
- Primary completion
- Jan 11, 2029
- Completion
- Jan 11, 2029
- Last update posted
- Mar 4, 2026
2023 – 2029
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| City of Hope Medical Center | Duarte | California | 91010 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05672355, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 4, 2026 · Synced Apr 29, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05672355 live on ClinicalTrials.gov.