- Conditions
- Recurrent ALK Positive Large B-Cell Lymphoma, Recurrent B-Cell Non-Hodgkin Lymphoma, Recurrent Diffuse Large B-Cell Lymphoma Associated With Chronic Inflammation, Recurrent Diffuse Large B-Cell Lymphoma, Not Otherwise Specified, Recurrent EBV-Positive Diffuse Large B-Cell Lymphoma, Not Otherwise Specified, Recurrent Grade 3b Follicular Lymphoma, Recurrent High Grade B-Cell Lymphoma, Recurrent High Grade B-Cell Lymphoma With MYC and BCL2 or BCL6 Rearrangements, Recurrent High Grade B-Cell Lymphoma With MYC, BCL2, and BCL6 Rearrangements, Recurrent High Grade B-Cell Lymphoma, Not Otherwise Specified, Recurrent Intravascular Large B-Cell Lymphoma, Recurrent Primary Cutaneous Diffuse Large B-Cell Lymphoma, Leg Type, Recurrent Primary Mediastinal (Thymic) Large B-Cell Lymphoma, Recurrent T-Cell/Histiocyte-Rich Large B-Cell Lymphoma, Refractory ALK Positive Large B-Cell Lymphoma, Refractory Diffuse Large B-Cell Lymphoma Associated With Chronic Inflammation, Refractory Diffuse Large B-Cell Lymphoma, Not Otherwise Specified, Refractory EBV-Positive Diffuse Large B-Cell Lymphoma, Not Otherwise Specified, Refractory Grade 3b Follicular Lymphoma, Refractory High Grade B-Cell Lymphoma, Refractory High Grade B-Cell Lymphoma With MYC and BCL2 or BCL6 Rearrangements, Refractory High Grade B-Cell Lymphoma With MYC, BCL2, and BCL6 Rearrangements, Refractory High Grade B-Cell Lymphoma, Not Otherwise Specified, Refractory Intravascular Large B-Cell Lymphoma, Refractory Primary Cutaneous Diffuse Large B-Cell Lymphoma, Leg Type, Refractory Primary Mediastinal Large B-Cell Lymphoma, Refractory T-Cell/Histiocyte-Rich Large B-Cell Lymphoma, Recurrent Gray Zone Lymphoma
- Interventions
- Biospecimen Collection, Computed Tomography, Ontorpacept, Pembrolizumab, Positron Emission Tomography, Maplirpacept, Biopsy
- Procedure · Drug · Biological
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 2
- States / cities
- Iowa City, Iowa • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced May 21, 2026, 7:18 PM EDT