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Study of TG-1801 Alone or in Combination With Ublituximab in Subjects With B-Cell Lymphoma or Chronic Lymphocytic Leukemia

A Phase 1b Multi-cohort Study of TG-1801 Alone or in Combination With Ublituximab in Subjects With B-Cell Lymphoma or Chronic Lymphocytic Leukemia

Status
Terminated
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04806035
Enrollment
21
Registered
2021-03-19
Start date
2021-04-28
Completion date
2024-06-12
Last updated
2024-07-31

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Aggressive Lymphoma, CLL, DLBCL, Follicular Lymphoma, Indolent Lymphoma, Marginal Zone Lymphoma, MCL, Mediastinal Large B-cell Lymphoma, Richter's Transformation, SLL

Brief summary

The primary objective of this study is to determine the recommended phase 2 dose (RP2D) and characterize the safety profile of TG-1801. As per protocol v3.0, ublituximab will be discontinued.

Interventions

BIOLOGICALTG-1801

It is a bispecific, first-in-class, CD47 and CD19 antibody

BIOLOGICALUblituximab

recombinant chimeric anti-CD20 monoclonal antibody, available in 25 mg/mL administered as an IV infusion once every 4 weeks

Sponsors

TG Therapeutics, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* B-cell non-Hodgkin lymphoma (NHL) including Richter's Transformation (RT) and transformed follicular lymphoma (FL), that warrants systemic therapy * Chronic Lymphocytic Leukemia (CLL), that warrants systemic therapy as defined by International Workshop on Chronic Lymphocytic Leukemia (iwCLL) (Hallek 2018) * Treatment Status: 1. NHL subjects: relapsed to or refractory after at least two prior standard systemic therapies (excluding antibiotics) 2. RT subjects: relapsed or refractory after at least two prior lines of therapy for CLL/ Small lymphocytic lymphoma (SLL) or RT 3. CLL subjects: relapsed to or refractory after at least two prior standard therapies * Measurable disease defined as: 1. NHL (including SLL): at least 1 measurable disease lesion \> 1.5 centimeters (cm) 2. CLL: at least 1 measurable disease lesion

Exclusion criteria

* Prior therapy with any agent blocking the CD47/SIRPα pathway or any previous CD19 targeting therapy, * Subjects receiving cancer therapy (i.e. chemotherapy, radiation therapy, immunotherapy, biologic therapy, hormonal therapy, surgery and/or tumor embolization) or any investigational drug within 21 days of Cycle 1 Day 1. * Prior autologous stem cell transplant (SCT) within 6 months.

Design outcomes

Primary

MeasureTime frameDescription
RP2DUp to 24 monthsTo determine the recommended Phase 2 dose (RP2D)

Secondary

MeasureTime frameDescription
Overall Response RateUp to 24 monthsTo evaluate the overall response rate (ORR) of TG-1801

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 12, 2026