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A Study of CS1002 in Subjects with Advanced Solid Tumors

A Phase Ia/Ib, Open-Label, Dose-Escalation, and Dose-Expansion Study of the Anti-CTLA-4 Monoclonal Antibody CS1002 As Monotherapy and in Combination with Anti-PD-1 Monoclonal Antibody CS1003 in Subjects with Advanced Solid Tumors

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT03523819
Enrollment
91
Registered
2018-05-14
Start date
2018-04-26
Completion date
2022-01-18
Last updated
2024-09-19

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

Conditions

Solid Tumor, Adult

Keywords

Solid Tumors

Brief summary

This is a multicenter, open-label, multiple dose, dose escalation phase I study to evaluate the clinical safety, tolerability, PK, and preliminary anti-tumor efficacy of CS1002.

Interventions

DRUGCS1002

Dose levels will be escalated following a modified 3+3 dose escalation scheme

DRUGCS1003

Fixed dose at 200mg in combination with CS1002 on a specified dose level

Sponsors

CStone Pharmaceuticals
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Masking description

Randomized for Part 3 of the study

Eligibility

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

Inclusion criteria

1. Subjects with histologically or cytologically confirmed advanced or metastatic solid tumor(s) for which no effective standard therapy is available or tolerable. 2. ECOG performance status of 0 or 1. 3. Life expectancy ≥12 weeks. 4. Subjects must have adequate organ function 5. Use of effective contraception

Exclusion criteria

1. Known brain metastasis or other CNS metastasis that is either symptomatic or untreated. 2. Subjects with active autoimmune diseases or history of autoimmune diseases. 3. Subjects with immunodeficiency or receiving systemic steroid therapy or any other immunosuppressive therapy within 14 days prior to the first dose of CS1002. 4. Has received prior therapy with an anti-CTLA-4 agent. 5. Subjects who had prior chemotherapy, targeted therapy, immunotherapy or any other anti cancer systemic treatment, within 14 days prior to the first dose of CS1002 or who has not recovered from adverse events due to prior therapy. 6. Receipt of major surgical procedure, wide field of radiation, local radiotherapy or radioactive agents within specified time frame prior to the first dose of CS1002. 7. Receipt of live vaccine within 28 days prior to the first dose of CS1002 8. Use of traditional medicinal herbal preparations within 7 days prior to the first dose of CS1002. 9. History of interstitial lung disease or non-infectious pneumonitis except for those induced by radiation therapies. 10. Known history of HIV. 11. Subjects with active Hepatitis B or C infection 12. Subjects with active tuberculosis infection. 13. Subjects with an active infection requiring systemic therapy. 14. History of organ transplantation. 15. History of alcoholism or drugs abuse. 16. History of severe hypersensitivity reactions to other mAbs. 17. Subjects with major cardiovascular diseases. For more information regarding trial participation, please contact at cstonera@cstonepharma.com

Design outcomes

Primary

MeasureTime frame
Number of participants with adverse eventsFrom the day of first dose to 30 days after last dose of CS1002

Countries

Australia, Hong Kong

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 10, 2026