UBX-303061 in Subjects With Relapsed/Refractory B-Cell Malignancies

NCT ID: NCT06590961

Last Updated: 2025-11-19

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

94 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-02-20

Study Completion Date

2027-08-31

Brief Summary

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This is a first-in-human Phase 1a/1b multicenter, open-label study designed to evaluate the safety and anti-cancer activity of UBX-303061 in patients with relapsed/refractory B-cell malignancies.

Detailed Description

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Conditions

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Relapsed/Refractory B-cell Malignancies

Study Design

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Allocation Method

NA

Intervention Model

SEQUENTIAL

Phase 1a: Dose escalation study Phase 1b: Dose expansion study
Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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UBX-303061

UBX-303061

Group Type EXPERIMENTAL

UBX-303061

Intervention Type DRUG

UBX-303061 oral dosage

Interventions

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UBX-303061

UBX-303061 oral dosage

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Capable of giving signed informed consent
* Age ≥18 years
* ECOG performance status ≤2.
* Phase Ia (dose-escalation part only): Subjects with relapsed and/or refractory B-cell malignancies (CLL/SLL, DLBCL, FL, MCL, WM or MZL) who have received at least 2 prior therapies and for subjects with no available treatment options as per the Investigator's discretion.
* Phase Ib (dose-expansion only): Subjects with relapsed and/or refractory B-cell malignancies who have received at least 2 prior therapies and for subjects with no available treatment options as per the Investigator's discretion, and fit into one of the following groups: CLL/SLL or DLBCL or MCL or FL, WM, MZL
* All subjects must have evaluable or measurable disease based on the appropriate tumor type criteria
* Adequate organ and bone marrow function

Exclusion Criteria

* For subjects with lymphoma:

* Systemic antineoplastic therapy or any experimental therapy within 3 weeks or 5 half-lives, whichever is shorter, before the first dose of study treatment.
* Therapy with tyrosine kinase inhibitor within 5 half-lives before the first dose of study treatment.
* Unconjugated monoclonal antibody therapies \<6 weeks before the first dose of study treatment.
* Subjects that have undergone autologous stem cell rescue within 100 days prior to the first dose of study treatment.
* Subjects that have undergone allogeneic stem cell transplant within 6 months prior to the first dose of study treatment.
* Subjects with active graft-versus-host disease (GVHD) or on anti-GVHD treatment or prophylaxis.
* History of chimeric antigen receptor T cell (CAR-T) therapy within 100 days prior to start of study drug.
* Any immunotherapy within 4 weeks of first dose of study drug.
* The time from the last dose of the most recent chemotherapy or experimental therapy to the first dose of study drug is \<5 times the t1/2 of the previously administered agent(s).
* Previously exposed to BTK degradation therapy
* Malignant disease, other than that being treated in this study.
* Radiotherapy within 2 weeks of the first dose of study treatment
* Known hypersensitivity to BTK degraders or any of the ingredients.
* Impaired cardiac function or clinically significant cardiac disease
* Subjects with history of severe bleeding disorders and known/suspected other autoimmune disease
* Major surgery within 4 weeks of the first dose of study treatment
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Ubix Therapeutics, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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University of Michigan

Ann Arbor, Michigan, United States

Site Status RECRUITING

Gabrail Cancer Center

Canton, Oklahoma, United States

Site Status RECRUITING

MD Anderson Cancer Center

Houston, Texas, United States

Site Status RECRUITING

MICS Centrum Medyczne Toruń

Torun, Kuyavian-Pomeranian Voivodeship, Poland

Site Status NOT_YET_RECRUITING

Pratia, MTZ Clinical Research

Warsaw, Mazowieckie Voivodeship, Poland

Site Status NOT_YET_RECRUITING

Pratia, Oncology Katowice

Katowice, Silesian Voivodeship, Poland

Site Status NOT_YET_RECRUITING

AidPort

Grodzisk Wielkopolski, Wielkopolskie Voivodeship, Poland

Site Status NOT_YET_RECRUITING

Asan Medical Center

Seoul, Seoul, South Korea

Site Status RECRUITING

Samsung Medical Center

Seoul, Seoul, South Korea

Site Status RECRUITING

The Catholic University of Korea, Seoul St. Mary's Hospital

Seoul, Seoul, South Korea

Site Status RECRUITING

The Catholic University of Korea, Yeouido St. Mary's Hospital

Seoul, Seoul, South Korea

Site Status RECRUITING

Countries

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United States Poland South Korea

Central Contacts

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Project Manager

Role: CONTACT

+82 (2) 6334 2475

Other Identifiers

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UBX-303-101

Identifier Type: -

Identifier Source: org_study_id

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