Phase 1a/1b First-in-Human Study of BG-C9074 Alone and in Combination With Other Anticancer Therapies in Patients With Advanced Solid Tumors

NCT ID: NCT06233942

Last Updated: 2026-02-05

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

308 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-04-12

Study Completion Date

2028-05-15

Brief Summary

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This is a first-in-human, dose finding and dose expansion study to evaluate the safety, tolerability, pharmacokinetics (PK), pharmacodynamics, and preliminary antitumor activity of BG-C9074 alone and in combination with other anticancer therapies in patients with advanced solid tumors.

Detailed Description

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Conditions

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Advanced Solid Tumor

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Phase 1a: Part A (Monotherapy Dose Escalation)

BG-C9074 monotherapy dose escalation

Group Type EXPERIMENTAL

BG-C9074

Intervention Type DRUG

administered by intravenous infusion

Phase 1a: Part B (Monotherapy Safety Expansion)

BG-C9074 dose levels that have been determined to be safe and tolerable in Part A will be investigated.

Group Type EXPERIMENTAL

BG-C9074

Intervention Type DRUG

administered by intravenous infusion

Phase 1a: Part C (Combination Therapy Dose Escalation)

BG-C9074 plus tislelizumab combination at the recommended dose for expansion (RDFE).

Group Type EXPERIMENTAL

BG-C9074

Intervention Type DRUG

administered by intravenous infusion

Tislelizumab

Intervention Type DRUG

administered by intravenous infusion

Phase 1a: Part D (Japan Cohort)

A separate cohort in Japan will evaluate the safety of BG-C9074 monotherapy in Japanese participants with select solid tumors

Group Type EXPERIMENTAL

BG-C9074

Intervention Type DRUG

administered by intravenous infusion

Phase 1b: Monotherapy Dose Expansion

The monotherapy dose expansion phase will begin once the BG-C9074 monotherapy RDFE and dosing schedule have been determined from Parts A and B in Phase 1a.

Group Type EXPERIMENTAL

BG-C9074

Intervention Type DRUG

administered by intravenous infusion

Phase 1b: Combination Therapy Dose Expansion (BG-C9074 plus tislelizumab)

This arm will assess BG-C9074 plus tislelizumab as first-line therapy in select solid tumors after completion of the dose escalation phase.

Group Type EXPERIMENTAL

BG-C9074

Intervention Type DRUG

administered by intravenous infusion

Tislelizumab

Intervention Type DRUG

administered by intravenous infusion

Phase 1b: Combination Therapy Dose Expansion (BG-C9074 plus bevacizumab)

This arm will assess BG-C9074 plus bevacizumab in select solid tumors participants after establishing the recommended monotherapy dose and schedule.

Group Type EXPERIMENTAL

BG-C9074

Intervention Type DRUG

administered by intravenous infusion

Bevacizumab

Intervention Type DRUG

administered by intravenous infusion

Interventions

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BG-C9074

administered by intravenous infusion

Intervention Type DRUG

Tislelizumab

administered by intravenous infusion

Intervention Type DRUG

Bevacizumab

administered by intravenous infusion

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Able to provide a signed and dated written informed consent prior to any study-specific procedures, sampling, or data collection.
2. Eastern Cooperative Oncology Group (ECOG) Performance Status ≤ 1.
3. Participants with selected histologically or cytologically confirmed advanced, metastatic, and unresectable solid tumors who have previously received standard systemic therapy and whose cancer is not amenable to therapy with curative intent, and for whom further treatment is not available or not tolerated. Enrollment will be limited to participants with hormone receptor-positive/human epidermal growth factor receptor 2-negative (HR+/HER2-) breast cancer, cholangiocarcinoma (CCA), endometrial cancer, squamous non-small cell lung cancer (NSCLC), triple-negative breast cancer (TNBC), or ovarian cancer. Enrollment in the Japan cohort will be limited to participants with HR+/HER2- breast cancer, TNBC, endometrial cancer, or ovarian cancer.
4. ≥ 1 measurable lesion per Response Evaluation Criteria in Solid Tumors, version 1.1 (RECIST v1.1)
5. Able to provide an archived tumor tissue sample.
6. Adequate bone marrow and organ function.
7. Females of childbearing potential must be willing to use a highly effective method of birth control for the duration of the study, and for ≥ 7 months after the last dose of study drug(s).
8. Nonsterile males must be willing to use a highly effective method of birth control for the duration of the study treatment period and for ≥ 4 months after the last dose of study drug(s).

Exclusion Criteria

1. Prior treatment with a B7 homolog 4 (B7H4)-targeting antibody-drug conjugate (ADC) or an ADC with a topoisomerase 1 inhibitor (TOP1i) payload.
2. Active leptomeningeal disease or uncontrolled, untreated brain metastasis
3. Any malignancy ≤ 2 years before the first dose of study treatment(s) except for the specific cancer under investigation in this study and any locally recurring cancer that has been treated with curative intent (eg, resected basal or squamous cell skin cancer, superficial bladder cancer, or carcinoma in situ of the cervix or breast).
4. History of interstitial lung disease, ≥ Grade 2 noninfectious pneumonitis, oxygen saturation at rest \< 92%, or requirement for supplemental oxygen (including intermittent use) at baseline.
5. Uncontrolled diabetes.
6. Infection (including tuberculosis infection) requiring systemic (oral or intravenous) antibacterial, antifungal, or antiviral therapy ≤ 14 days before the first dose of study treatment(s).
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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BeOne Medicines

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Study Director

Role: STUDY_DIRECTOR

BeOne Medicines

Locations

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Usc Norris Comprehensive Cancer Center (Nccc)

Los Angeles, California, United States

Site Status RECRUITING

University of Colorado Cancer Center

Aurora, Colorado, United States

Site Status RECRUITING

Florida Cancer Specialist Research Institute Lake Nona

Orlando, Florida, United States

Site Status RECRUITING

Sidney Kimmel Comprehensive Cancer At Johns Hopkins

Baltimore, Maryland, United States

Site Status RECRUITING

James Cancer Hospital and Solove Research Institute

Columbus, Ohio, United States

Site Status RECRUITING

Blacktown Cancer and Haematology Centre

Blacktown, New South Wales, Australia

Site Status RECRUITING

Macquarie University

North Ryde, New South Wales, Australia

Site Status RECRUITING

Cancer Care Wollongong

Wollongong, New South Wales, Australia

Site Status RECRUITING

Princess Alexandra Hospital

Woolloongabba, Queensland, Australia

Site Status RECRUITING

Monash Health

Clayton, Victoria, Australia

Site Status RECRUITING

Cabrini Hospital Malvern

Malvern East, Victoria, Australia

Site Status RECRUITING

Peter Maccallum Cancer Centre

Melbourne, Victoria, Australia

Site Status RECRUITING

Linear Clinical Research

Nedlands, Western Australia, Australia

Site Status RECRUITING

Cancer Hospital Chinese Academy of Medical Sciences

Beijing, Beijing Municipality, China

Site Status RECRUITING

Fujian Cancer Hospital

Fuzhou, Fujian, China

Site Status RECRUITING

Sun Yat Sen University Cancer Center

Guangzhou, Guangdong, China

Site Status RECRUITING

Harbin Medical University Cancer Hospital

Harbin, Heilongjiang, China

Site Status RECRUITING

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

Wuhan, Hubei, China

Site Status RECRUITING

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

Wuhan, Hubei, China

Site Status RECRUITING

The Second Hospital of Dalian Medical University

Dalian, Liaoning, China

Site Status RECRUITING

Shengjing Hospital of China Medical University

Shenyang, Liaoning, China

Site Status RECRUITING

Qilu Hospital of Shandong University

Jinan, Shandong, China

Site Status RECRUITING

Affiliated Hospital of Jining Medical University

Jining, Shandong, China

Site Status RECRUITING

Weifang Peoples Hospital

Weifang, Shandong, China

Site Status RECRUITING

Obstetrics and Gynecology Hospital of Fudan University

Shanghai, Shanghai Municipality, China

Site Status RECRUITING

Tianjin Medical University Cancer Institute and Hospital

Tianjin, Tianjin Municipality, China

Site Status RECRUITING

Zhejiang Cancer Hospital

Hangzhou, Zhejiang, China

Site Status COMPLETED

Zhejiang Cancer Hospital

Hangzhou, Zhejiang, China

Site Status RECRUITING

Countries

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United States Australia China

Central Contacts

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Study Director

Role: CONTACT

1.877.828.5568

Other Identifiers

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BG-C9074-101

Identifier Type: -

Identifier Source: org_study_id

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