This is a Phase 1 Study to Evaluate the Safety of LTZ-301 in Patients With Non-Hodgkin Lymphoma

NCT ID: NCT07121946

Last Updated: 2026-01-09

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

PHASE1

Total Enrollment

42 participants

Study Classification

INTERVENTIONAL

Study Start Date

2026-01-31

Study Completion Date

2028-02-29

Brief Summary

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This study is a first-in-human (FIH), Phase 1, multicenter, open-label study to determine the safety, tolerability, pharmacokinetics, pharmacodynamics, and evaluate the preliminary anti-tumor activity of LTZ-301 administered as a single agent in adult subjects with relapsed or refractory B-cell non-Hodgkin lymphoma

Detailed Description

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LTZ-301 is a bispecific antibody which is a Myeloid cell engager, which targets B-cells via CD79B, and triggers phagocytosis

Conditions

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Mantle Cell Lymphoma (MCL) Non-Hodgkin Lymphoma Refractory/ Relapsed DLBCL - Diffuse Large B Cell Lymphoma Follicular Lymphoma ( FL) Marginal Zone Lymphoma (MZL)

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Dose Escalation

Subjects in this arm will participate in one (1) of eight (8) escalating defined dose level cohorts. Subjects will receive up to 54 weeks of LTZ-301 intravenously.

Group Type EXPERIMENTAL

LTZ-301

Intervention Type BIOLOGICAL

LTZ-301 will be dosed IV, in initial 28 day cycles. First cycle dosing is every week. Second through fifth cycles are dosed every 2 weeks. Sixth cycle and beyond are 21 day cycles, and are dosed once every 3 weeks.

Backfill Expansion

Subjects may be dosed at levels previously declared safe to further explore safety, tolerability, and clinical activity at particular dose levels.

Group Type EXPERIMENTAL

LTZ-301

Intervention Type BIOLOGICAL

LTZ-301will be dosed IV, as above

Expansion

A dose level will be selected to enroll additional subjects to explore safety, tolerability, and clinical activity for a selected lymphoma type.

Group Type EXPERIMENTAL

LTZ-301

Intervention Type BIOLOGICAL

LTZ-301will be dosed IV, as above

Interventions

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LTZ-301

LTZ-301 will be dosed IV, in initial 28 day cycles. First cycle dosing is every week. Second through fifth cycles are dosed every 2 weeks. Sixth cycle and beyond are 21 day cycles, and are dosed once every 3 weeks.

Intervention Type BIOLOGICAL

LTZ-301

LTZ-301will be dosed IV, as above

Intervention Type BIOLOGICAL

LTZ-301

LTZ-301will be dosed IV, as above

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

* Age ≥ 18 years
* Relapsed or refractory to at least 2 prior systemic treatment regimens
* At least 1 bi-dimensionally measurable lesion (≥ 1.5 cm) in longest dimension
* Eastern Cooperative Oncology Group (ECOG) Performance Status of 0 or 1
* Adequate bone marrow, cardiac, pulmonary, renal, and hepatic function

Exclusion Criteria

* CLL, or Richters transformation
* Prior solid organ transplant
* Prior allogeneic stem cell transplant
* ASCT within 100 days prior to the first LTZ-301 administration
* Prior CAR-T within 60 days prior to the first LTZ-301 administration
* Current central nervous system (CNS) lymphoma
* Known history of human immunodeficiency virus (HIV) seropositivity
* Active autoimmune disease
* History of clinically significant cardiovascular disease
* symptomatic deep vein thrombosis (DVT) within 3 months of enrollment
* History of other malignancy within 3 years prior to screening
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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LTZ Therapeutics, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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City of Hope

Duarte, California, United States

Site Status RECRUITING

Washington University School of Medicine

St Louis, Missouri, United States

Site Status RECRUITING

Tennessee Oncology

Nashville, Tennessee, United States

Site Status RECRUITING

Fred Hutchinson Cancer Center

Seattle, Washington, United States

Site Status RECRUITING

Countries

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United States

Central Contacts

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Sherry Unabia

Role: CONTACT

669-207-0084

Facility Contacts

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Elizabeth Budde, MD

Role: primary

626-218-2405

Anne Fischer

Role: primary

314-362-3021

Michael Byrne, DO

Role: primary

888-550-2835

Ajay Gopal, MD

Role: primary

206-606-2037

Other Identifiers

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LTZ-301-001

Identifier Type: -

Identifier Source: org_study_id

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