A Phase I/II Study of CS2009 in Participants With Advanced Solid Tumors

NCT ID: NCT06741644

Last Updated: 2026-01-09

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

660 participants

Study Classification

INTERVENTIONAL

Study Start Date

2025-02-24

Study Completion Date

2028-01-31

Brief Summary

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This is a first-in-human (FIH), open-label, and multi-center Phase I/II study designed to evaluate the safety, tolerability, pharmacokinetics, and preliminary anti-tumor activity of CS2009 as Monotherapy and Combination Therapy in Participants with Advanced Solid Tumors. The study is comprised of a Phase I dose escalation and Phase II dose expansion.

Detailed Description

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Conditions

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Advanced Solid Tumors

Study Design

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Allocation Method

NON_RANDOMIZED

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Dose Escalation

Participants will be administered escalating doses of CS2009.

Group Type EXPERIMENTAL

CS2009

Intervention Type DRUG

CS2009 will be administered via intravenous (IV) infusion on Day 1 of repeated 21-day cycles (Q3W).

Dose Expansion

Participants will be administered the recommended dose(s) of CS2009 with or without chemotherapy according to dose-escalation data.

Group Type EXPERIMENTAL

CS2009

Intervention Type DRUG

CS2009 will be administered via intravenous (IV) infusion on Day 1 of repeated 14/21-day cycles (Q2W/Q3W).

Pemetrexed

Intervention Type DRUG

IV infusion

Carboplatin

Intervention Type DRUG

IV infusion

Paclitaxel

Intervention Type DRUG

IV infusion

Etoposide

Intervention Type DRUG

IV infusion

Nab-paclitaxel

Intervention Type DRUG

IV infusion

Oxaliplatin

Intervention Type DRUG

IV infusion

Capecitabine

Intervention Type DRUG

oral tablets

Docetaxel

Intervention Type DRUG

IV infusion

Leucovorin

Intervention Type DRUG

IV infusion

5-FU

Intervention Type DRUG

IV infusion

Irinotecan

Intervention Type DRUG

IV infusion

Cisplatin

Intervention Type DRUG

IV infusion

Interventions

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CS2009

CS2009 will be administered via intravenous (IV) infusion on Day 1 of repeated 21-day cycles (Q3W).

Intervention Type DRUG

CS2009

CS2009 will be administered via intravenous (IV) infusion on Day 1 of repeated 14/21-day cycles (Q2W/Q3W).

Intervention Type DRUG

Pemetrexed

IV infusion

Intervention Type DRUG

Carboplatin

IV infusion

Intervention Type DRUG

Paclitaxel

IV infusion

Intervention Type DRUG

Etoposide

IV infusion

Intervention Type DRUG

Nab-paclitaxel

IV infusion

Intervention Type DRUG

Oxaliplatin

IV infusion

Intervention Type DRUG

Capecitabine

oral tablets

Intervention Type DRUG

Docetaxel

IV infusion

Intervention Type DRUG

Leucovorin

IV infusion

Intervention Type DRUG

5-FU

IV infusion

Intervention Type DRUG

Irinotecan

IV infusion

Intervention Type DRUG

Cisplatin

IV infusion

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Evidence of a personally signed and dated informed consent document.
* Willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures.
* Age ≥ 18 years on the day of signing informed consent.

Phase I:

* Pathologically or cytologically confirmed, unresectable advanced solid tumors, including but not limited to non-small cell lung cancer (NSCLC), small cell lung cancer (SCLC), renal cell carcinoma (RCC), hepatocellular carcinoma (HCC), gastric cancer (GC), ovarian cancer (OC), cervical cancer (CC), etc.
* Failure of established standard of care for advanced disease, or no available standard of care.

Phase II:

* Pathologically or cytologically confirmed unresectable advanced solid tumors, including non-small cell lung cancer (NSCLC), small cell lung cancer (SCLC), etc.
* Participants with at least one measurable lesion as defined per RECIST v1.1 solid tumor.
* Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
* Adequate organ function.
* Fertile male participants and female participants of childbearing potential must be willing to use an effective method of birth control from providing signed consent and for 180 days after the last investigational product administration.
* Female participants of childbearing potential must have a negative pregnancy test ≤ 7 days prior to the first dose of the investigational product.

Exclusion Criteria

* History of a second malignancy active within the previous 3 years except for locally curable cancers that have been apparently cured.
* Known primary central nervous system (CNS) tumor or solid tumor CNS metastasis that is either symptomatic, untreated, or requires therapy.
* Presence of uncontrolled pleural effusion, pericardial effusion, or ascites requiring repeated drainage within 4 weeks prior to the first dose of investigational product.
* Receipt of systemic corticosteroid treatment or any other form of immune suppressing treatment within 7 days prior to the first dose of investigational product.
* Active or prior history of definite inflammatory bowel disease.
* History of (non-infectious) interstitial lung disease (ILD)/pneumonitis that required steroids, or presence of active or suspected ILD/pneumonitis.
* Active infections requiring systemic therapy within 2 weeks prior to the first dose of investigational product.
* Positive for human immunodeficiency virus (HIV) or presence of acquired immune deficiency syndrome (AIDS).
* Active Hepatitis B or C infection.
* Active pulmonary tuberculosis (TB).
* Major surgery, chemotherapy, definitive radiotherapy, target therapy, immunotherapy, or other anti-cancer therapy within 21 days prior to the first dose of investigational product.
* Palliative radiotherapy within 14 days prior to the first dose of investigational product, or receipt of radioactive drug within 56 days prior to the first dose of investigational product.
* Administration of live vaccine within 28 days prior to the first dose of investigational product.
* History of allogeneic organ transplantation and allogeneic hematopoietic stem cell transplantation.
* Receipt of antitumor Chinese herbal preparations or Chinese patent medicine within 7 days prior to the first dose of investigational product.
* Receipt of any other investigational drugs within 21 days prior to the first dose in this trial.
* History of hypersensitivity or idiosyncrasy to the excipients of the study drug or any monoclonal antibody.
* Any toxic effects of prior therapy or surgical procedures unresolved to baseline severity or NCI-CTCAE Version 5.0 Grade ≤ 1.
* Active alcohol or drug abuse.
* Female participants who are pregnant or breastfeeding.
* Other acute or chronic medical or psychiatric conditions that may increase the risk associated with study participation or investigational product administration.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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CStone Pharmaceuticals

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Alfred Hospital (Alfred Health)

Melbourne, , Australia

Site Status RECRUITING

Austin Hospital (Austin Health)

Melbourne, , Australia

Site Status RECRUITING

Monash Medical Centre (Monash Health)

Melbourne, , Australia

Site Status RECRUITING

Peter Maccallum Cancer Centre Research

Melbourne, , Australia

Site Status NOT_YET_RECRUITING

Icon Cancer Centre South Brisbane

South Brisbane, , Australia

Site Status RECRUITING

Blacktown Hospital

Sydney, , Australia

Site Status RECRUITING

Macquarie University Hospital

Sydney, , Australia

Site Status RECRUITING

Scientia Clinical Research Ltd

Sydney, , Australia

Site Status RECRUITING

Beijing Cancer Hospital

Beijing, , China

Site Status RECRUITING

Jilin Cancer Hospital

Changchun, , China

Site Status RECRUITING

Hunan Cancer Hospital

Changsha, , China

Site Status NOT_YET_RECRUITING

Sichuan Cancer Hospital

Chengdu, , China

Site Status RECRUITING

West China Hospital of Sichuan University

Chengdu, , China

Site Status RECRUITING

Fujian Cancer Hospital

Fuzhou, , China

Site Status RECRUITING

Sun Yat-sen Memorial Hospital, Sun Yat-sen University

Guangzhou, , China

Site Status RECRUITING

Sun Yat-Sen University Cancer Center

Guangzhou, , China

Site Status NOT_YET_RECRUITING

Zhejiang Cancer Hospital

Hangzhou, , China

Site Status RECRUITING

Harbin Medical University Cancer Hospital

Harbin, , China

Site Status RECRUITING

Anhui Provincial Hospital

Hefei, , China

Site Status RECRUITING

Central Hospital Affiliated to Shandong First Medical University

Jinan, , China

Site Status RECRUITING

Linyi Cancer Hospital

Linyi, , China

Site Status RECRUITING

The First Affiliated Hospital of Nanchang University

Nanchang, , China

Site Status RECRUITING

Nanjing Drum Tower Hospital

Nanjing, , China

Site Status RECRUITING

Fudan University Shanghai Cancer Center

Shanghai, , China

Site Status RECRUITING

Shanghai East Hospital

Shanghai, , China

Site Status RECRUITING

Shanghai Pulmonary Hospital

Shanghai, , China

Site Status RECRUITING

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

Wuhan, , China

Site Status RECRUITING

Xuzhou Central Hospital

Xuzhou, , China

Site Status RECRUITING

Henan Cancer Hospital

Zhengzhou, , China

Site Status RECRUITING

The First Affiliated Hospital of Zhengzhou University

Zhengzhou, , China

Site Status RECRUITING

Countries

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Australia China

Central Contacts

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Jingru Wang

Role: CONTACT

+86 18017113282

Other Identifiers

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CS2009-101

Identifier Type: -

Identifier Source: org_study_id

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