A Study of HDM2005 in Combination With Standard of Care in Patients With Diffuse Large B-Cell Lymphoma

NCT ID: NCT07124936

Last Updated: 2025-08-15

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/PHASE2

Total Enrollment

97 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-07-30

Study Completion Date

2029-10-25

Brief Summary

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The purpose of this phase 1b/2 study is to evaluate the safety, tolerability, and antitumor activity of HDM2005 in combination with standard of care in participants with diffuse large B-cell lymphoma. This study will include two arms: Cohort A (HDM2005 + R-GemOx) will enroll participants with relapsed/refractory DLBCL. Cohort B (HDM2005 + R-CHP) will enroll participants with untreated DLBCL. The study will consist of two parts: dose-escalation part and dose-expansion part.

Detailed Description

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Conditions

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Diffuse Large B Cell Lymphoma (DLBCL)

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Participants with r/r DLBCL (Cohort A)

Participants with r/r DLBCL will receive a dose of HDM2005 (1.8 mg/kg or 2.0 mg/kg, on Day 2 Cycle 1 and Day 1 Cycle 2 to 6-8) plus 1000 mg/ m\^2 gemcitabine (on Day 2 Cycle 1 and Day 1 Cycle 2 to 6-8), 100 mg/ m\^2 oxaliplatin, and 375 mg/m\^2 rituximab or rituximab biosimilar administered by intravenous (IV) infusion on Day 1 of each 3-week cycle for up to 6-8 cycles.

Group Type EXPERIMENTAL

HDM2005

Intervention Type DRUG

HDM2005 will be administered as an intravenous injection.

Rituximab or Rituximab biosimilar

Intervention Type DRUG

Rituximab or Rituximab biosimilar will be administered as an intravenous injection.

Gemcitabine

Intervention Type DRUG

Gemcitabine will be administered as an intravenous injection.

Oxaliplatin

Intervention Type DRUG

Oxaliplatin will be administered as an intravenous injection.

Participants with untreated DLBCL (Cohort B)

Participants with untreated DLBCL will receive a dose of HDM2005 (1.8 mg/kg or 2.0 mg/kg, on Day 2 Cycle 1 and Day 1 Cycle 2 to 6) plus 750 mg/m\^2 cyclophosphamide (on Day 2 Cycle 1 and Day 1 Cycle 2 to 6), 50 mg/m\^2 doxorubicin (on Day 2 Cycle 1 and Day 1 Cycle 2 to 6), and 375 mg/m\^2 rituximab or rituximab biosimilar administered by intravenous (IV) infusion on Day 1 and 2 Cycle 1 and Day 1 Cycle 2 to 6 of each 3-week cycle for up to 6 cycles. Participants will also receive 100 mg prednisone or prednisolone via oral tablet per day during Days 1-5 of each 3-week cycle for up to 6 cycles.

Group Type EXPERIMENTAL

HDM2005

Intervention Type DRUG

HDM2005 will be administered as an intravenous injection.

Rituximab or Rituximab biosimilar

Intervention Type DRUG

Rituximab or Rituximab biosimilar will be administered as an intravenous injection.

Cyclophosphamide

Intervention Type DRUG

Cyclophosphamide will be administered as an intravenous injection.

Doxorubicin

Intervention Type DRUG

Doxorubicin will be administered as an intravenous injection.

Prednisone

Intervention Type DRUG

Prednisone will be administered orally.

Interventions

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HDM2005

HDM2005 will be administered as an intravenous injection.

Intervention Type DRUG

Rituximab or Rituximab biosimilar

Rituximab or Rituximab biosimilar will be administered as an intravenous injection.

Intervention Type DRUG

Gemcitabine

Gemcitabine will be administered as an intravenous injection.

Intervention Type DRUG

Oxaliplatin

Oxaliplatin will be administered as an intravenous injection.

Intervention Type DRUG

Cyclophosphamide

Cyclophosphamide will be administered as an intravenous injection.

Intervention Type DRUG

Doxorubicin

Doxorubicin will be administered as an intravenous injection.

Intervention Type DRUG

Prednisone

Prednisone will be administered orally.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Male or female aged 18-75 years.
2. Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
3. Life expectancy \>12 weeks.
4. Histologically confirmed diffuse large B-cell lymphoma (DLBCL).

a. Cohort B: International Prognostic Index (IPI) score of 2-5.
5. Prior treatment:

1. Cohort A: At least one (≥1) line of prior systemic therapy.
2. Cohort B: Has received no prior treatment for DLBCL.
6. At least one bi-dimensionally measurable (≥1.5 cm) nodal lesion, or one bi-dimensionally measurable (≥1 cm) extranodal lesion, as measured on computed tomography (CT) scan.
7. Adequate organ system and hematologic function as defined in protocol.

Exclusion Criteria

1. Known active central nervous system (CNS) lymphoma.
2. Prior of allogeneic hematopoietic stem cell transplantation and has acute or ongoing graft-versus-host disease (GVHD) of any grade.
3. Known additional malignancy that is progressing or has required active treatment within the past 3 years.
4. History of severe bleeding disorders.
5. History of interstitial lung disease or radiation pneumonitis.
6. Prior solid organ transplant.
7. Ongoing Grade \>1 treatment-related adverse events.
8. Current or history of clinically significant cardiovascular and cerebrovascular diseases.
9. Active infection requiring systemic therapy.
10. Concurrent active HBV or HCV infection or known history of human immunodeficiency virus (HIV) infection.
11. Prior ROR1-targeted therapy.
12. Ongoing corticosteroid therapy.
13. Current active autoimmune disease or history of autoimmune disease requiring treatment.
14. History of drug anaphylaxis or severe food allergy.
15. Any history or current evidence of disease, treatment, or laboratory abnormality as determined by the investigator that may affect the study results, interfere with the subject's full participation in the study, or be contrary to the subject's best interests.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Hangzhou Zhongmei Huadong Pharmaceutical Co., Ltd.

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Peking University Cancer Hospital

Beijing, Beijing Municipality, China

Site Status RECRUITING

Fujian Cancer Hospital

Fuzhou, Fujian, China

Site Status NOT_YET_RECRUITING

Sun Yat-sen University Cancer Center

Guangzhou, Guangdong, China

Site Status NOT_YET_RECRUITING

The Affiliated Tumor Hospital of Guangxi Medical University

Nanning, Guangxi, China

Site Status NOT_YET_RECRUITING

Affiliated Tumor Hospital of Harbin Medical University

Harbin, Heilongjiang, China

Site Status NOT_YET_RECRUITING

The First Affiliated Hospital of Zhengzhou University

Zhengzhou, Henan, China

Site Status NOT_YET_RECRUITING

Henan Cancer Hospital

Zhengzhou, Henan, China

Site Status NOT_YET_RECRUITING

Union Hospital, Tongji Medical College, Huazhong University of Science and Technology

Wuhan, Hubei, China

Site Status NOT_YET_RECRUITING

Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology

Wuhan, Hubei, China

Site Status NOT_YET_RECRUITING

HunanCancer Hospital

Changsha, Hunan, China

Site Status NOT_YET_RECRUITING

Second Affiliated Hospital of Soochow University

Suzhou, Jiangsu, China

Site Status NOT_YET_RECRUITING

The First Affiliated Hospital Of Nanchang University

Nanchang, Jiangxi, China

Site Status NOT_YET_RECRUITING

The first hospital of Jilin University

Changchun, Jilin, China

Site Status NOT_YET_RECRUITING

Shengjing Hospital Affiliated to China Medical University

Shenyang, Liaoning, China

Site Status NOT_YET_RECRUITING

The First Affiliated Hospital of Xi'an Jiaotong University

Xi'an, Shaanxi, China

Site Status NOT_YET_RECRUITING

Cancer Hospital of Shandong First Medical University (Shandong Cancer Institute,Shandong Cancer Hospital)

Jinan, Shandong, China

Site Status NOT_YET_RECRUITING

Shanxi Cancer Hospital

Taiyuan, Shanxi, China

Site Status NOT_YET_RECRUITING

West China Hospital,Sichuan University

Chengdu, Sichuan, China

Site Status NOT_YET_RECRUITING

The Second Affiliated Hospital of Kunming Medical UniversityThe Second Affiliated Hospital of Kunming Medical University

Kunming, Yunnan, China

Site Status ACTIVE_NOT_RECRUITING

Yunnan Cancer Hospital

Kunming, Yunnan, China

Site Status NOT_YET_RECRUITING

The First Affiliated Hospital, Zhejiang University School of Medicine

Hangzhou, Zhejiang, China

Site Status NOT_YET_RECRUITING

Countries

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China

Central Contacts

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Meiping Kong

Role: CONTACT

+8613735478976

Other Identifiers

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HDM2005-104

Identifier Type: -

Identifier Source: org_study_id

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