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A Phase I Trial of QLS2313 Injection in Relapsed/Refractory Hematological Malignancies

A Phase I Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Preliminary Efficacy of QLS2313 for Injection in Patients With Relapsed/Refractory Hematological Malignancies

Status
Not yet recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07294300
Enrollment
124
Registered
2025-12-19
Start date
2026-01-31
Completion date
2028-02-29
Last updated
2025-12-19

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

Conditions

Relapsed/Refractory Hematological Malignancies

Brief summary

This study is an open-label, dose-escalation and efficacy-expansion Phase I clinical trial to evaluate the safety, tolerability, PK profile, immunogenicity, and preliminary antitumor activity of QLS2313 as a monotherapy in patients with relapsed/refractory hematological malignancies.

Interventions

DRUGQLS2313

CD79b/CD3/CD20;first in human; subcutaneous injection

Sponsors

Qilu Pharmaceutical Co., Ltd.
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

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

Inclusion criteria

1. Males or females aged ≥ 18 years; 2. Patients with relapsed/refractory hematological malignancies, specifically patients with B-cell NHL or CLL/small lymphocytic lymphoma (SLL) as defined by the 2022 World Health Organization (WHO) classification, who are relapsed/refractory and have no standard of care available as judged by the investigator; 3. Having a measurable disease defined by appropriate disease response criteria; 4. Subjects with sufficient organ function prior to the first dose of the investigational drug 5. Eastern Cooperative Oncology Group (ECOG) performance status (PS) score: 0 or 1

Exclusion criteria

1. Previous treatment with a CD79b/CD3/CD20 trispecific antibody; 2. Known central nervous system (CNS) involvement; 3. Known history of allogeneic organ transplantation or allogeneic hematopoietic stem cell transplantation/bone marrow transplantation; 4. Treatment with autologous stem cell transplantation within 3 months; 5. Prior genetically modified adoptive cell therapy (e.g., chimeric antigen receptor T cells \[CAR-T\] and natural killer cells \[CAR-NK\]) within 3 months 6. Presence of viral, bacterial or uncontrolled fungal infection requiring intravenous drug infusion within 1 week prior to the first dose 7. Presence of chronic or acute active hepatitis B virus (HBV) or hepatitis C virus (HCV) infection, defined as HBV-5 test at screening indicating active infection (positive HBsAg and/or positive HBcAb) with HBV-DNA \> ULN, or positive HCVAb and positive HCV-RNA, allowed for antiviral therapy.

Design outcomes

Primary

MeasureTime frameDescription
DLT, MTD, RPIbD, and RP2Dto 2 yearsTo evaluate the tolerability and safety of subcutaneously administered QLS2313 for Injection in patients with hematological malignancies, and to determine the MTD, RPIbD, and RP2D.

Countries

China

Contacts

Primary ContactWeili Zhao, PhD
zwl_trial@163.com15214370575

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026