LMB-7 Immunotoxin in Treating Patients With Leptomeningeal Metastases

RATIONALE: LMB-7 immunotoxin can locate tumor cells and kill them without harming normal cells.

PURPOSE: Phase I trial to study the effectiveness of LMB-7 immunotoxin in treating patients who have leptomeningeal metastases metastases.

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Key information

Conditions

Brain and Central Nervous System Tumors Central Nervous System Neoplasms Meningeal Carcinomatosis Meningeal Neoplasms Neoplasms Neoplasms by Site Nervous System Diseases Nervous System Neoplasms

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 1

Primary location

Duke Comprehensive Cancer Center, Durham, North Carolina, United States

About this study

OBJECTIVES: I. Determine the toxicity of intrathecal LMB-7 immunotoxin in patients with leptomeningeal metastases. II. Identify objective therapeutic responses in this group of patients.

OUTLINE: This is a dose escalation study. Patients receive LMB-7 intrathecally on days 1, 3, and 5. Treatment may be repeated every 4 weeks if the patient does not demonstrate HAMA neutralizing antibodies to PE-38 in CSF, has stable or responding disease, and has not experienced greater than grade II toxicity. Three to six patients are entered at each dose level. Dose escalation continues until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 of 6 patients experience grade 3 or worse toxicity or a neuroradiology toxicity score of 10 or greater.

PROJECTED ACCRUAL: Approximately 15 to 24 patients will be accrued over one year.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

DISEASE CHARACTERISTICS: Histologically proven primary intracranial or extraneural neoplasm with leptomeningeal metastases At least 30% of malignant cells in the cerebrospinal fluid, primary tumor, or metastatic tumor must react with the B3 mouse monoclonal antibody

PATIENT CHARACTERISTICS: Age: 18 and over Performance status: Karnofsky 50-100% Life expectancy: Not specified Hematopoietic: ANC greater than 1000/mm3 Platelet count greater than 100,000/mm3 Hepatic: Bilirubin less than 1.5 mg/dL Renal: Creatinine less than 1.2 mg/dL Pulmonary: DLCO at least 60 Other: No neutralizing antibodies to Pseudomonas exotoxin Not pregnant or nursing Not allergic to penicillin

PRIOR CONCURRENT THERAPY: Biologic therapy: Not specified Chemotherapy: No chemotherapy within past 4 weeks (6 weeks for nitrosoureas) unless there is evidence of disease progression in CNS No concurrent chemotherapy Endocrine therapy: Patients receiving corticosteroids must be on stable dose for 10 days prior to entry Radiotherapy: No radiotherapy to disease site within past 3 months unless there is evidence of disease progression in CNS No concurrent radiotherapy Surgery: Not specified

Treatment and study plan

LMB-7 immunotoxin

Biological

Sponsors and collaborators

Lead sponsor

Duke University

Other

Collaborators

National Cancer Institute (NCI)

Registry information

Official study title

Protocol for a Phase I Study of Intrathecal LMB-7 (Single-Chain Immunotoxin Constructed From Monoclonal Antibody B3-Pseudomonas Exotoxin PE 38) [IND 5863, NSC 658931] in the Treatment of Patients With Leptomeningeal Neoplasms

Important dates

Study start: 1997
Primary completion: 2000
Study completion: 2000
First posted: May 19, 2004
Registry last updated: Feb 20, 2013

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed