A Phase 2 interventional study of gemtuzumab ozogamicin in Myelodysplastic Syndromes, sponsored by Jonsson Comprehensive Cancer Center. Status unknown at 1 site in United States. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2013-12-19.
Sponsored by Jonsson Comprehensive Cancer Center · Phase 2, Interventional, and Treatment
RATIONALE: Monoclonal antibodies such as gemtuzumab can locate tumor cells and either kill them or deliver tumor-killing substances to them without harming normal cells.
PURPOSE: Randomized phase II trial to study the effectiveness of gemtuzumab in treating patients who have myelodysplastic syndrome.
OBJECTIVES: I. Determine the total survival of patients with intermediate-2 or high-risk myelodysplastic syndrome treated with gemtuzumab ozogamicin. II. Assess the quality of life of patients treated with this drug. III. Compare two different dose schedules of this drug in these patients. IV. Determine the safety of this drug in these patients. V. Determine the number of patients treated with this drug that achieve complete remission, partial remission, stable disease, major and minor hematologic improvements, or major and minor cytogenetic responses. VI. Determine the progression-free survival, relapse-free survival, and time to progression to acute myeloid leukemia in patients treated with this drug. VII. Determine the number of transfusions, number of days on IV antibiotics, and the number of days hospitalized in patients treated with this drug. VIII. Determine the possible predictors of response in patients treated with this drug, including age, karyotype, and multi-drug resistance efflux. IX. Determine the pharmacokinetics of this drug in these patients. X. Correlate the results of pharmacogenomic studies to gene activation and response to therapy in patients treated with this drug.
OUTLINE: This is a randomized, open-label, multicenter study. Patients are stratified according to age (60 and under vs over 60) and IPSS score (1.5-2.0 vs 2.5 and greater). Patients are randomized to one of two treatment arms. Arm I: Patients receive gemtuzumab ozogamicin IV over 2 hours on day 1. Arm II: Patients receive gemtuzumab ozogamicin IV over 2 hours on days 1 and 15. After completion of induction therapy, patients in both arms with stable or responding disease may receive post-remission therapy comprising up to 3 additional doses of gemtuzumab ozogamicin approximately 28-42 days apart. Quality of life is assessed at baseline, on day 29 for arm I, on day 43 for arm II, on day 127 for patients that receive additional doses of study drug, and at 8 months for all patients. Patients who do not respond to induction therapy are followed monthly for 8 months and then every 3 months thereafter. Patients who receive post-remission therapy are followed every 3 months.
PROJECTED ACCRUAL: Approximately 128 patients (64 per treatment arm) will be accrued for this study within 12 months.
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DISEASE CHARACTERISTICS: Histologically confirmed myelodysplastic syndrome (MDS) Refractory anemia (RA) RA with ringed sideroblasts RA with excessive blasts (RAEB) RAEB in transformation (stable disease for at least 2 months) No chromosomal abnormalities including t(8;21), inv(16), or t(15;17) No chronic myelomonocytic leukemia proliferative type (WBC greater than 12,000/mm3) No known CNS involvement with MDS blast progression International Prognostic Scoring System (IPSS) score at least 1.5
PATIENT CHARACTERISTICS: Age: 18 and over Performance status: ECOG 0-2 Life expectancy: Not specified Hematopoietic: See Disease Characteristics Hepatic: Bilirubin less than 1.5 mg/dL Renal: Creatinine less than 2.0 mg/dL Cardiovascular: No severe cardiac disease Pulmonary: No severe pulmonary disease Other: Not pregnant or nursing Negative pregnancy test Fertile patients must use effective contraception during and for 1 year after study HIV negative No other prior active malignancy except basal cell or squamous cell skin cancer No uncontrolled infections
PRIOR CONCURRENT THERAPY: Biologic therapy: No prior stem cell transplantation No prior anti-CD33 antibodies At least 4 weeks since prior hematopoietic growth factors, epoetin alfa, or cytokine therapy Chemotherapy: No prior chemotherapy for MDS or other malignancy No concurrent cytotoxic chemotherapy Endocrine therapy: At least 4 weeks since prior systemic steroids except topical or inhaled steroids No concurrent systemic steroids except topical or inhaled steroids Radiotherapy: No prior radiotherapy for MDS or other malignancy Surgery: No prior organ transplantation Other: At least 4 weeks since prior immunosuppressive therapy At least 4 weeks since prior investigational agents No concurrent immunosuppressive therapy No other concurrent investigational agents
This study is status unknown, as verified in Jun 2002. You cannot join it, but the record below documents what was studied.
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Jonsson Comprehensive Cancer Center