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Monoclonal Antibodies

hSTC810 + Paclitaxel for Lung Cancer

Phase 1 & 2
Recruiting
Research Sponsored by STCube, Inc.
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Histologically or cytologically confirmed SCLC
R/R ES-SCLC on or after platinum-based chemotherapy for SCLC with documented disease progression
Timeline
Screening 3 weeks
Treatment Varies
Follow Up up to 4 years
Awards & highlights
No Placebo-Only Group

Summary

This trial is testing a new drug (hSTC810) combined with an existing chemotherapy drug (paclitaxel) in patients whose lung cancer has returned or did not respond to previous treatments. The goal is to determine if this combination is safe and effective. Paclitaxel is a well-known chemotherapy drug used to treat lung cancer and has been used in various combinations to improve treatment outcomes and survival times.

Who is the study for?
This trial is for adults over 18 with small cell lung cancer that has come back or didn't respond to platinum-based chemo. They should have a life expectancy of at least 3 months, be able to understand the study and agree to use contraception. They must have at least one tumor that can be measured and be in fairly good health (ECOG PS of 0 or 1).
What is being tested?
The trial is testing two different doses of hSTC810 combined with Paclitaxel in patients whose extensive stage small cell lung cancer has relapsed or hasn't responded after initial treatment. The goal is to see how safe this combination is and how well it works.
What are the potential side effects?
Possible side effects from hSTC810 and Paclitaxel may include allergic reactions, nerve damage causing pain or numbness, muscle aches, hair loss, nausea, vomiting, diarrhea, low blood counts leading to increased infection risk or bleeding problems.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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My small cell lung cancer diagnosis was confirmed through lab tests.
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My small cell lung cancer returned or worsened after platinum-based treatment.
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I am fully active or restricted in physically strenuous activity but can do light work.
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I am 18 years old or older.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~up to 4 years
This trial's timeline: 3 weeks for screening, Varies for treatment, and up to 4 years for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Progression Free Survival (PFS) rate
Secondary study objectives
Area under the concentration-time curve extrapolated from 0 to infinity (AUCo-inf)
Area under the concentration-time curve from 0 to 21 days (AUC0-21)
Clinical Benefit Rate (CBR)
+8 more

Awards & Highlights

No Placebo-Only Group
All patients enrolled in this study will receive some form of active treatment.

Trial Design

2Treatment groups
Experimental Treatment
Group I: hSTC810 800 mg + PaclitaxelExperimental Treatment1 Intervention
hSTC810 800 mg will be administered with a standard dose of paclitaxel
Group II: hSTC810 400 mg + PaclitaxelExperimental Treatment1 Intervention
hSTC810 400 mg will be administered with a standard dose of paclitaxel

Research Highlights

Information in this section is not a recommendation. We encourage patients to speak with their healthcare team when evaluating any treatment decision.
Mechanism Of Action
Side Effect Profile
Prior Approvals
Other Research
Common treatments for Small Cell Lung Cancer (SCLC) include chemotherapy and immunotherapy. Chemotherapy agents like Paclitaxel stabilize microtubules, preventing cell division and leading to cancer cell death. Immunotherapy, such as anti-PD-1 or anti-PD-L1 therapies, boosts the immune system's ability to recognize and destroy cancer cells. These treatments are vital for SCLC patients due to the aggressive nature of the disease, necessitating effective systemic therapies to improve survival and quality of life.

Find a Location

Who is running the clinical trial?

STCube, Inc.Lead Sponsor
1 Previous Clinical Trials
47 Total Patients Enrolled
~74 spots leftby Nov 2025