PHASE I DOSE-ESCALATION TRIAL OF YTTRIUM-90-LABELED HuM195 (HUMANIZED ANTI-CD33) IN PATIENTS WITH ADVANCED MYELOID MALIGNANCIES
lintuzumab
Anemia+22
+ Anemia, Refractory
+ Bone Marrow Diseases
Treatment Study
Summary
Study start date: October 1, 1996
Actual date on which the first participant was enrolled.OBJECTIVES: I. Determine the safety and toxicity of yttrium-90-labeled humanized monoclonal antibody M195 (90Y-MOAB HuM195) in patients with relapsed or refractory myeloid malignancies. II. Determine the pharmacology and dosimetry of 90Y-MOAB HuM195. III. Study the biological effects of 90Y-MOAB HuM195, including the ability to elicit human anti-human antibody responses and antileukemic responses. OUTLINE: This study seeks to estimate the maximum tolerated dose (MTD) of yttrium-90-labeled humanized monoclonal antibody M195 (90Y-MOAB HuM195). All patients receive a single intravenous dose of 90Y-MOAB HuM195. Groups of 3 to 6 patients are treated at escalated doses of yttrium-90 until the MTD is determined. Patients with active leukemia who exhibit at least a 50% clearing of marrow blasts after the first dose may receive a second dose after 4-8 weeks provided remaining blasts are CD33-positive, there is no evidence of human anti-human antibody response, and any toxicity has resolved. All patients are followed monthly for 4 months after treatment. PROJECTED ACCRUAL: Up to 24 patients will be treated. The study is expected to require 12-18 months to complete.
Protocol
This section provides details of the study plan, including how the study is designed and what the study is measuring.24 patients to be enrolled
Total number of participants that the clinical trial aims to recruit.Treatment Study
Eligibility
Researchers look for people who fit a certain description, called eligibility criteria: person's general health condition or prior treatments.Any sex
Biological sex of participants that are eligible to enroll.Over 16 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
Criteria
DISEASE CHARACTERISTICS: Pathologically confirmed myeloid malignancies as follows: Acute myelogenous leukemia that is relapsed or refractory after at least 2 courses of standard induction chemotherapy Accelerated or myeloblastic chronic myelogenous leukemia Refractory anemia with excess blasts (RAEB) RAEB in transformation Chronic myelomonocytic leukemia More than 25% of bone marrow blasts positive for the CD33 antigen Clear signs of active leukemia following recovery from prior therapy required No rapidly accelerating blast count No clinically unstable disease No active CNS leukemia PATIENT CHARACTERISTICS: Age: Over 16 Performance status: Karnofsky 60%-100% Life expectancy: At least 6 weeks Hematopoietic: Not specified Hepatic: Bilirubin less than 2.5 mg/dL AST less than 3 times normal Alkaline phosphatase less than 3 times normal Renal: Creatinine less than 2.0 mg/dL Cardiovascular: No NYHA class III/IV status Pulmonary: No clinically significant pulmonary disease Other: No serious infection uncontrolled by antibiotics No pregnant or nursing women Negative pregnancy test required of fertile women PRIOR CONCURRENT THERAPY: Recovered from prior therapy Biologic therapy: No detectable antibodies to M195 from prior monoclonal antibody M195 or HuM195 Chemotherapy: At least 2 days since hydroxyurea At least 3 weeks since other chemotherapy Endocrine therapy: Not specified Radiotherapy: At least 3 weeks since radiotherapy Surgery: Not specified
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
Memorial Sloan-Kettering Cancer Center
New York, United StatesOpen Memorial Sloan-Kettering Cancer Center in Google Maps