Skip to content

A Phase I Study of QLS2309 Injection in Patients With CD70+ Relapsed/Refractory Hematologic Malignancies

A Phase I Clinical Study to Evaluate the Tolerability, Safety, Pharmacokinetics and Preliminary Antitumor Activity of QLS2309 Injection in Patients With CD70+ Relapsed/Refractory Hematologic Malignancies

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07173595
Enrollment
186
Registered
2025-09-15
Start date
2025-12-05
Completion date
2027-12-31
Last updated
2026-01-02

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

Conditions

Relapsed or Refractory Hematologic Malignancies

Brief summary

This is a single-arm, open-label, multicenter, dose-escalation, dose-expansion and efficacy-expansion phase I clinical study to evaluate the tolerability, safety, pharmacokinetics and preliminary antitumor activity of QLS2309 injection in patients with CD70+ relapsed/refractory hematologic malignancies.

Interventions

DRUGQLS2309

initial dose - MTD; QW; intravenous infusion

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\. Subjects voluntarily participated and signed a written informed consent form * Age ≥ 18 years, male or female * ECOG performance status of 0-2 * Expected life-expectancy ≥ 3 months * CD70+ relapsed/refractory hematologic malignancies * Adequate organ function prior to QLS2309 administration * Female patients with fertility must agree to the use of effective contraceptive methods during the study period and within 35 days of discontinuation of the trial drug. * Male patients whose sexual partners are women of childbearing age must agree to use condoms during the study period and within 35 days of discontinuation of the trial drug during sexual intercourse.

Exclusion criteria

* Prior treatment with CD70-related antibodies, antibody-conjugated drugs (ADCs) or cell therapy products * Symptomatic central nervous system (CNS) involvement, leptomeningeal metastasis or spinal cord compression caused by metastasis * An active autoimmune diseases or known history of ≥ grade 3 irAE due to prior immunotherapy * Known history of other active malignant tumor within 3 years * Known history of chemotherapy, biological therapy, endocrine therapy, immunotherapy, monoclonal antibodies, etc. within 4 weeks * Known history of active hepatitis B/C infection, HIV infection, Treponema pallidum infection

Design outcomes

Primary

MeasureTime frameDescription
Dose-limiting toxicity(DLT)28 daysTo evaluate the safety and tolerability of QLS2309
Recommended Phase Ib Dose (RPIbD)up to 2 yearsThe Safety Monitoring Committee (SMC) will select RP1bD based on the safety, tolerability, PK parameters, pharmacodynamics, preliminary effectiveness and other data of subjects in different dose groups

Countries

China

Contacts

Primary ContactXiaojun Huang, MD
xjhrm@medmail.com.cn01088316617

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Apr 5, 2026