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GTI-2040 in Treating Patients With Relapsed, Refractory, or High-Risk Acute Leukemia, High-Grade Myelodysplastic Syndromes, or Refractory or Blastic Phase Chronic Myelogenous Leukemia

2014-08-27 03:39:10 | BioPortfolio

Summary

RATIONALE: Drugs used in chemotherapy, such as GTI-2040, work in different ways to stop the growth of cancer or abnormal cells, either by killing the cells or by stopping them from dividing.

PURPOSE: This phase I trial is studying the side effects and best dose of GTI-2040 in treating patients with relapsed, refractory, or high-risk acute leukemia, high-grade myelodysplastic syndromes, or refractory or blastic phase chronic myelogenous leukemia.

Description

OBJECTIVES:

- Determine the maximum tolerated dose of GTI-2040 in patients with relapsed, refractory, or high-risk acute leukemia, high-grade myelodysplastic syndromes, or refractory or blastic phase chronic myelogenous leukemia.

- Assess the toxicity and efficacy of this drug in these patients.

- Assess plasma and intracellular pharmacokinetics of this drug in these patients.

OUTLINE: This is a multicenter, dose-escalation study.

Patients receive GTI-2040 IV continuously on days 1-4 and 15-18. Treatment repeats every 28 days in the absence of disease progression or unacceptable toxicity.

Cohorts of 3-6 patients receive escalating doses of GTI-2040 until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 of 6 patients experience dose-limiting toxicity.

Blood samples are collected on days 1, 4, 15, and 19 of course 1 for pharmacokinetic studies. Samples are analyzed by proteomic assay, dCTP pool measurement, and real-time polymerase chain reaction for mRNA of RRM2, RRM1, and p53R2.

PROJECTED ACCRUAL: A total of 24 patients will be accrued for this study.

Study Design

Primary Purpose: Treatment

Conditions

Leukemia

Intervention

GTI-2040, polymerase chain reaction, proteomic profiling, laboratory biomarker analysis, pharmacological study

Location

City of Hope Comprehensive Cancer Center
Duarte
California
United States
91010-3000

Status

Active, not recruiting

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:39:10-0400

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Medical and Biotech [MESH] Definitions

Methods for using more than one primer set in a polymerase chain reaction to amplify more than one segment of the target DNA sequence in a single reaction.

Methods used for detecting the amplified DNA products from the polymerase chain reaction as they accumulate instead of at the end of the reaction.

A heat stable DNA-DIRECTED DNA POLYMERASE from the bacteria Thermus aquaticus. It is widely used for the amplification of genes through the process of POLYMERASE CHAIN REACTION. EC 2.7.7.-.

A technique that labels specific sequences in whole chromosomes by in situ DNA chain elongation or PCR (polymerase chain reaction).

In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships.

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