ClinicalTrials.gov record
Recruiting Phase 1Phase 2 Interventional

Tafasitamab, Retifanlimab, and Rituximab in Combination With Standard Therapy for the Treatment of Diffuse Large B-cell Lymphoma

ClinicalTrials.gov ID: NCT05455697

Public ClinicalTrials.gov record NCT05455697. 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.

ClinicalTrials.gov public records Last synced Apr 29, 2026, 12:17 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Immunostart: Prephase Tafasitamab, Retifanlimab, and Rituximab (TRR), Followed by TRR With Standard Therapy for Previously Untreated Diffuse Large B-Cell Lymphoma

Study identification

NCT ID
NCT05455697
Recruitment status
Recruiting
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
University of Washington
Other
Enrollment
35 participants

Conditions and interventions

Interventions

  • Biospecimen Collection Procedure
  • Bone Marrow Aspiration Procedure
  • Bone Marrow Biopsy Procedure
  • Computed Tomography Procedure
  • Cyclophosphamide Drug
  • Doxorubicin Drug
  • Fludeoxyglucose F-18 Other
  • Multigated Acquisition Scan Procedure
  • Polatuzumab Vedotin Drug
  • Positron Emission Tomography Procedure
  • Prednisone Drug
  • Retifanlimab Biological
  • Rituximab and Hyaluronidase Human Biological
  • Tafasitamab Biological
  • Vincristine Drug

Procedure · Drug · Other + 1 more

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
Jan 25, 2023
Primary completion
Jan 4, 2027
Completion
Jul 5, 2027
Last update posted
Dec 17, 2025

2023 – 2027

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Fred Hutch/University of Washington Cancer Consortium Seattle Washington 98109 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 NCT05455697, 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 Dec 17, 2025 · Synced Apr 29, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05455697 live on ClinicalTrials.gov.

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