GB5121 in Adult Patients With Relapsed/Refractory CNS Lymphoma
Public ClinicalTrials.gov record NCT05242146. 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
A Phase 1b/2, Open-label Dose Escalation With Expansion Study of GB5121 in Adult Patients With Relapsed/Refractory Primary or Secondary Central Nervous System Lymphoma or Primary Vitreoretinal Lymphoma, With a Phase 2 Open-label Single Dose Level Study of GB5121 in Adult Patients With Relapsed/ Refractory Primary Central Nervous System Lymphoma
Study identification
- NCT ID
- NCT05242146
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- GB005, Inc., a wholly owned subsidiary of Gossamer Bio, Inc.
- Industry
- Enrollment
- 12 participants
Conditions and interventions
Conditions
Interventions
- GB5121 Drug
Drug
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
- May 23, 2022
- Primary completion
- May 10, 2023
- Completion
- May 10, 2023
- Last update posted
- Jun 12, 2023
2022 – 2023
United States locations
- U.S. sites
- 4
- U.S. states
- 4
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mayo Clinic | Phoenix | Arizona | 85054 | — |
| Mayo Clinic | Jacksonville | Florida | 32224 | — |
| Mayo Clinic | Rochester | Minnesota | 55905 | — |
| Memorial Sloan Kettering Cancer Center Main Campus | New York | New York | 10065 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 12 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05242146, 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 Jun 12, 2023 · Synced May 20, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05242146 live on ClinicalTrials.gov.