ARTEMIS-008：HS-20093 Compared With Topotecan in Subjects With Relapsed Small Cell Lung Cancer

Phase 3

Recruiting

• Conditions: Small Cell Lung Cancer
• Interventions: Drug: HS-20093; Drug: Topotecan

• Registration Number: NCT06498479
• Lead Sponsor: Hansoh BioMedical R&D Company

Brief Summary

The main objective of this study is to compare the efficacy of HS-20093 with standard of care (SOC) on prolonging overall survival (OS) in subjects with relapsed small cell lung cancer (SCLC).

Detailed Description

This is a phase 3, randomized, open-label, multicenter study comparing HS-20093 with topotecan in patients with limited or extensive SCLC that had disease progression on or after first-line platinum-based regimen. Subjects will be randomized by a ratio of 1:1 to receive HS-20093 or topotecan until disease progression.
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Basic Information
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Recruitment & Eligibility
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Study & Design
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Trial Locations

Study Timeline

• Study Start: 2024-07-04
• Study First Submitted: 2024-07-06
• Study First Submitted QC: 2024-07-06
• Study First Posted: 2024-07-12
• Status Verified: 2024-10
• Last Update Submitted: 2024-10-15
• Last Update Posted: 2024-10-16
• Primary Completion: 2026-09-30
• Study Completion: 2027-05-31

Recruitment & Eligibility

• Status: RECRUITING
• Sex: All
• Target Recruitment: 460

Inclusion Criteria

1. Male or female subjects ≥18 years of age.
2. Histologically or cytologically confirmed SCLC.
3. Subjects who progressed on or after first-line platinum-based regimens.
4. Has at least 1 measurable lesion as defined per RECIST 1.1.
5. Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.
6. Minimum life expectancy of more than 12 weeks.
7. Females subjects must not be pregnant at screening or have evidence of non-childbearing potential.
8. Men or women should be using adequate contraceptive measures throughout the study.
9. Subject has provided informed consent/assent prior to initiation of any study specific activities/procedures.

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Exclusion Criteria

1. Combined SCLC, any previous diagnosis of transformed SCLC or SCLC that has transformed to NSCLC.
2. Chemotherapy-free interval ≤30 days.
3. Has received prior treatment with anti-B7 homologue 3 (B7-H3) targeted agents.
4. Has received prior treatment with topoisomerase I inhibitor, including ADC that consists of topoisomerase I inhibitor.
5. Has inadequate washout period before randomization as specified in the protocol.
6. Untreated or symptomatic brain metastases with exceptions defined in the protocol.
7. Unresolved toxicity from prior anti-tumor therapy, defined as not having resolved to Common Terminology Criteria for Adverse Events (CTCAE) version 5.0 grade 1 with exceptions defined in the protocol.
8. History of other malignancy with exceptions defined in the protocol.
9. Inadequate bone marrow reserve or organ dysfunction.
10. Evidence of cardiovascular risks.
11. Severe, uncontrolled or active cardiovascular diseases.
12. Severe or uncontrolled diabetes.
13. Severe or uncontrolled high blood pressure.
14. Clinically significant bleeding or obvious bleeding tendency within 1 month before randomization.
15. Severe arterial or venous thromboembolic events within 3 months prior to randomization.
16. Severe infections within 4 weeks before randomization.
17. Receiving systemic corticosteroid therapy within 30 days prior to randomization with exceptions defined in the protocol.
18. The presence of active infectious diseases before randomization.
19. Current hepatic encephalopathy, hepatorenal syndrome, or Child-Pugh Grade B or more severe cirrhosis.
20. History of interstitial lung disease, immunotherapy-induced pneumonitis, clinically moderate or severe pulmonary disease.
21. History of severe neuropathy or mental disorders.
22. Female subjects of childbearing potential; female subjects who are breastfeeding or who plan to breastfeed while on study; female subjects planning to become pregnant while on study.
23. Vaccination or hypersensitivity of any level within 4 weeks before randomization.
24. History of severe hypersensitivity reaction, severe infusion reaction or allergy to recombinant human or mouse derived proteins.
25. Hypersensitivity to any ingredient of HS-20093, DNA topoisomerase I inhibitor or regimens of Topotecan.

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
HS-20093	HS-20093	Participants will receive HS-20093 as an intravenous (IV) infusion at dose of 8.0 mg/kg on Day 1 of each 21-day cycle until a treatment discontinuation criterion is met as specified in the protocol.
Topotecan	Topotecan	Participants will receive topotecan until a treatment discontinuation criterion is met as specified in the protocol.

Primary Outcome Measures

Name	Time	Method
Overall survival	From the date of randomization to the date of death due to any cause; Up to approximately 4.5 years	Overall survival is defined as the time interval from randomization to death due to any cause.

Secondary Outcome Measures

Name	Time	Method
Objective Response Rate (ORR) Assessed by Blinded Independent Central Review and Investigators	From the date of randomization to documented progressive disease, death, lost to follow-up, or withdrawal by the participant; Up to approximately 4.5 years.	Confirmed ORR is defined as the sum of the complete response (CR) rate and partial response (PR) rate as per BICR and investigator per Response Evaluation Criteria In Solid Tumors (RECIST) v1.1.
Duration of Response Assessed by Blinded Independent Central Review and Investigator	From the date of first documentation of confirmed response (CR or PR) to the first documentation of objective progression or to death due to any cause, whichever occurs first; Up to approximately 4.5 years.	Duration of response (DoR) is defined as the time from the date of the first documentation of objective response (complete response \[CR\] or partial response \[PR\]) to the date of the first documentation of progressive disease (PD) or death.
Progression-free Survival Assessed by Blinded Independent Central Review and Investigator	From the date of randomization to documented progressive disease, death, lost to follow-up, or withdrawal by the participant; Up to approximately 4.5 years.	PFS is defined as the time interval from the randomization to disease progression as per BICR and investigator assessment or death due to any cause.
Disease Control Rate (DCR) Assessed by Blinded Independent Central Review and Investigator	From the date of randomization to documented progressive disease, death, lost to follow-up, or withdrawal by the participant; Up to approximately 4.5 years.	Disease control rate is defined as the proportion of participants who have achieved a best overall response of confirmed CR, confirmed PR, or SD (or non-CR/non-PD) per BICR and investigator assessment per RECIST v1.1.
Incidence and Grade of Participants With Treatment-emergent Adverse Events	From the date of first dose to the end of safety follow-up; Up to approximately 4.5 years.	TEAEs are assessed based on NCI CTCAE v5.0.

Trial Locations

Locations (9)

Beijing Cancer Hospital; 🇨🇳 Beijing, Beijing, China

Harbin Medical University Cancer Hospital; 🇨🇳 Harbin, Heilongjiang, China

Henan Cancer Hospital; 🇨🇳 Zhengzhou, Henan, China

Jilin Cancer Hospital; 🇨🇳 Changchun, Jilin, China

Shengjing Hospital of China Medical University; 🇨🇳 Shenyang, Liaoning, China

Shandong Cancer Hospital; 🇨🇳 Jinan, Shandong, China

Shanghai Pulmonary Hospital; 🇨🇳 Shanghai, Shanghai, China

The First Affiliate Hospital of GUANGZHOU Medical University; 🇨🇳 Guangzhou, China

Tongji Hospital; 🇨🇳 Wuhan, China