Completed

A Multiple-Dose Targeting Study of hu3S193 in Patients With Small Cell Lung Cancer

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What is being tested

monoclonal antibody hu3S193

Biological
Who is being recruted

Bronchial Neoplasms+7

+ Carcinoma, Bronchogenic

+ Lung Diseases

Over 18 Years
See all eligibility criteria
How is the trial designed

Treatment Study

Phase 1
Interventional
Study Start: July 2004
See protocol details

Summary

Principal SponsorLudwig Institute for Cancer Research
Last updated: January 14, 2026
Sourced from a government-validated database.Claim as a partner

Study start date: July 26, 2004

Actual date on which the first participant was enrolled.

OBJECTIVES: Primary * Determine the targeting, tissue distribution, and pharmacokinetics of monoclonal antibody hu3S193 in patients with progressive small cell lung cancer (SCLC). Secondary * Determine the immunogenicity of of monoclonal antibody hu3S193 in patients with progressive small cell lung cancer (SCLC). * Determine tumor response of monoclonal antibody hu3S193 in patients with progressive small cell lung cancer (SCLC). * Determine the safety of tof monoclonal antibody hu3S193 in patients with progressive small cell lung cancer (SCLC). OUTLINE: This is an open-label, pilot study. Patients received monoclonal antibody hu3S193 (mAb hu3S193) intravenously (IV) over 30 minutes on day 1 of weeks 1-4. Patients also received indium-111 (111In) radiolabeled hu3S193 IV over 30 minutes on day 1 of weeks 1 and 4 and then underwent gamma camera imaging. Treatment continued in the absence of disease progression or unacceptable toxicity. Patients were followed at 1 and 4 weeks, every 3 months for 1 year, and then every 6-12 months thereafter.

Official TitleA Multiple-Dose Targeting Study of hu3S193 in Patients With Small Cell Lung Cancer 
NCT00084799
Principal SponsorLudwig Institute for Cancer Research
Last updated: January 14, 2026
Sourced from a government-validated database.Claim as a partner

Protocol

This section provides details of the study plan, including how the study is designed and what the study is measuring.
Design Details

10 patients to be enrolled

Total number of participants that the clinical trial aims to recruit.

Treatment Study

These studies test new ways to treat a disease, condition, or health issue. The goal is to see if a new drug, therapy, or approach works better or has fewer side effects than existing options.



Eligibility

Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.
Conditions
Criteria

Any sex

Biological sex of participants that are eligible to enroll.

Over 18 Years

Range of ages for which participants are eligible to join.

Healthy volunteers not allowed

If individuals who are healthy and do not have the condition being studied can participate.

Conditions

Pathology

Bronchial NeoplasmsCarcinoma, BronchogenicLung DiseasesLung NeoplasmsNeoplasmsNeoplasms by SiteRespiratory Tract DiseasesRespiratory Tract NeoplasmsThoracic NeoplasmsSmall Cell Lung Carcinoma

Criteria

Inclusion Criteria: Small cell lung cancer, pathologically confirmed. Measurable disease, including at least one lesion measuring ≥ 2 cm that has not been previously irradiated. Progression of disease after one, two, or three prior chemotherapy regimens. At least 4 weeks since the last chemotherapy or radiation treatment. Karnofsky performance status ≥ 70% (ECOG 0 or 1). The following laboratory results within the last 2 weeks prior to study day 1: White Blood Cell Count (WBC) ≥ 3,500/mm3; Platelet count ≥ 100 x 10\^9/L; Serum creatinine ≤ 2.0 mg/dL; Serum bilirubin ≤ 2.0 mg/dL; International normalized ratio (INR) ≤ 1.3; Women of childbearing potential with confirmed negative quantitative serum HCG on the day of administration of study agent. Negative stool guaiac test (read by laboratory). Tumor tissue positive for Lewis Y expression. Exclusion Criteria: Clinically significant cardiac disease (New York Heart Association Class III/IV). Uncontrolled brain or leptomeningeal metastases. GI bleed within the preceding 6 months. Patients with history of receiving mouse monoclonal antibody. Participation in any other clinical trial involving another investigational agent within 4 weeks prior to enrollment. Women who are pregnant or breast-feeding.

Study Plan

Find out more about all the medication administered in this study, their detailed description and what they involve.
Treatment Groups
Study Objectives

2 intervention groups are designated in this study

This study does not include a placebo group 

Treatment Groups

Group I

Experimental
Patients with small cell lung cancer tumors confirmed to have Lewis Y expression were enrolled to receive 4 weekly injections of hu3S193 at a dose of 10 mg/m2. The dose of hu3S193 given on Weeks 1 and 4 was trace-labeled with 6-8 millicurie (mCi) of indium-111 (111In).

Group II

Experimental
Patients with small cell lung cancer tumors confirmed to have Lewis Y expression were enrolled to receive 4 weekly injections of hu3S193 at a dose of 20 mg/m2. The dose of hu3S193 given on Weeks 1 and 4 was trace-labeled with 6-8 millicurie (mCi) of indium-111 (111In).

Study Objectives

Primary Objectives

Secondary Objectives

Study Centers

These are the hospitals, clinics, or research facilities where the trial is being conducted. You can find the location closest to you and its status.

This study has 1 location

Suspended

Memorial Sloan-Kettering Cancer Center

New York, United StatesSee the location
CompletedOne Study Center