A Study of CS1001 in Subjects With Stage IV Non-Small Cell Lung Cancer

NCT ID: NCT03789604

Last Updated: 2025-07-24

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

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE3

Total Enrollment

479 participants

Study Classification

INTERVENTIONAL

Study Start Date

2018-12-13

Study Completion Date

2027-06-30

Brief Summary

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This is a multi-center, randomized, double-blind, phase III study to evaluate the efficacy and safety of CS1001 in combination with platinum-containing chemotherapy versus placebo in combination with chemotherapy in first-line treatment-naive subjects with stage IV non-small cell lung cancer (NSCLC).

Detailed Description

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Conditions

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Non Small Cell Lung Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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CS1001 monoclonal antibody

Group Type EXPERIMENTAL

CS1001 monoclonal antibody

Intervention Type BIOLOGICAL

Participant will receive CS1001 monoclonal antibody 1200 mg by intravenous infusion every 3 weeks, for up to 24 months; Drug Carboplatin on Day 1 of each 21-day cycle; Drug Pemetrexed on Day 1 of each 21-day cycle; Drug Paclitaxel on Day 1 of each 21-day cycle

CS1001 placebo

Group Type PLACEBO_COMPARATOR

CS1001 placebo

Intervention Type BIOLOGICAL

Participant will receive CS1001 placebo 1200 mg by intravenous infusion every 3 weeks, for up to 24 months; Drug Carboplatin on Day 1 of each 21-day cycle; Drug Pemetrexed on Day 1 of each 21-day cycle; Drug Paclitaxel on Day 1 of each 21-day cycle

Interventions

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CS1001 monoclonal antibody

Participant will receive CS1001 monoclonal antibody 1200 mg by intravenous infusion every 3 weeks, for up to 24 months; Drug Carboplatin on Day 1 of each 21-day cycle; Drug Pemetrexed on Day 1 of each 21-day cycle; Drug Paclitaxel on Day 1 of each 21-day cycle

Intervention Type BIOLOGICAL

CS1001 placebo

Participant will receive CS1001 placebo 1200 mg by intravenous infusion every 3 weeks, for up to 24 months; Drug Carboplatin on Day 1 of each 21-day cycle; Drug Pemetrexed on Day 1 of each 21-day cycle; Drug Paclitaxel on Day 1 of each 21-day cycle

Intervention Type BIOLOGICAL

Eligibility Criteria

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Inclusion Criteria

1. Willing to participate in this trial; fully understand and informed of this trial, and able to provide written informed consent form (ICF).
2. 18-75 years of age (18 and 75 included) on the day of signing ICF.
3. Histologically or cytologically confirmed stage IV non-small cell lung cancer (staged according to the 8th International Association for the Study of Lung Cancer (IASLC) classification.
4. Subjects haven't received systemic treatment for advanced/metastatic NSCLC.
5. Measurable target lesion evaluated by investigators according to RECIST v1.1.
6. ECOG PS of 0-1.
7. Life expectancy ≥ 12 weeks.
8. Subject with prior anti-cancer treatment can only be enrolled when all toxicities except for hearing loss, alopecia and fatigue, of prior anti-cancer treatment has recovered to ≤ Grade 1 according to National Cancer Institute \[NCI\] Common Terminology Criteria for Adverse Events (CTCAE) v4.03.
9. Subjects must have adequate organ function.
10. Women of childbearing potential (WOBPC, as defined in section 13.5) must have a negative pregnancy test ≤7 days prior to the first dose of investigational product. WOBCP or fertile men and their WOBCP partners must agree to use an effective method of birth control from providing signed ICF and for 6 months after last dose of investigational product.

Exclusion Criteria

1. Histologically confirmed small cell lung cancer or containing small cell component.
2. Subjects with current active autoimmune disease or prior history of autoimmune disease.
3. Malignancies other than NSCLC within 5 years prior to randomization.
4. Known history of human immunodefiency virus (HIV) infection and/or acquired immune deficiency syndrome.
5. Subject with active hepatitis B or hepatitis C.
6. Subjects with known history of alcoholism or drugs abuse.
7. Has a known hypersensitivity to any component of study treatment, for example pemetrexed, cisplatin, carboplatin or other platinum compounds.
8. Subjects with other conditions that in the investigator's opinion may influence subject's compliance or make subjects not suitable for participating in this trial.
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 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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Shanghai Pulmonary Hospital

Shanghai, Shanghai Municipality, China

Site Status

Countries

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China

References

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Zhou C, Wang Z, Sun M, Cao L, Ma Z, Wu R, Yu Y, Yao W, Sun S, Chen J, Zhuang W, Cui J, Chen X, Lu Y, Shen H, Hu C, Liu J, Liu Y, Wang M, Li X, Sun P, Shu Y, Zhou J, Li J, Gu K, Wang C, Zhao H, Zhang Y, Liu C, Yang H, Zhang X, Ma R, Li L, Liang L, Li M, Wang J, Wang Q, Wang B, Dai H, Shi Q, Yang J. Sugemalimab versus placebo, in combination with platinum-based chemotherapy, as first-line treatment of metastatic non-small-cell lung cancer (GEMSTONE-302): 4-year outcomes from a double-blind, randomised, phase 3 trial. Lancet Oncol. 2025 Jul;26(7):887-897. doi: 10.1016/S1470-2045(25)00198-6. Epub 2025 Jun 13.

Reference Type DERIVED
PMID: 40523368 (View on PubMed)

Zhou C, Wang Z, Sun M, Cao L, Ma Z, Wu R, Yu Y, Yao W, Sun S, Chen J, Zhuang W, Cui J, Chen X, Lu Y, Shen H, Hu C, Liu J, Liu Y, Wang M, Li X, Sun P, Shu Y, Zhou J, Li J, Gu K, Wang C, Zhao H, Zhang Y, Liu C, Wang J, Chen R, Qin M, Wang H, Yang J. Interim survival analysis of the randomized phase III GEMSTONE-302 trial: sugemalimab or placebo plus chemotherapy as first-line treatment for metastatic NSCLC. Nat Cancer. 2023 Jun;4(6):860-871. doi: 10.1038/s43018-023-00578-z. Epub 2023 Jun 15.

Reference Type DERIVED
PMID: 37322367 (View on PubMed)

Zhou C, Wang Z, Sun Y, Cao L, Ma Z, Wu R, Yu Y, Yao W, Chang J, Chen J, Zhuang W, Cui J, Chen X, Lu Y, Shen H, Wang J, Li P, Qin M, Lu D, Yang J. Sugemalimab versus placebo, in combination with platinum-based chemotherapy, as first-line treatment of metastatic non-small-cell lung cancer (GEMSTONE-302): interim and final analyses of a double-blind, randomised, phase 3 clinical trial. Lancet Oncol. 2022 Feb;23(2):220-233. doi: 10.1016/S1470-2045(21)00650-1. Epub 2022 Jan 14.

Reference Type DERIVED
PMID: 35038432 (View on PubMed)

Other Identifiers

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CS1001-302

Identifier Type: -

Identifier Source: org_study_id

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