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GTI-2040 and Gemcitabine in Treating Patients With Metastatic or Unresectable Solid Tumors

2014-08-27 03:54:32 | BioPortfolio

Summary

RATIONALE: Drugs used in chemotherapy, such as gemcitabine, work in different ways to stop tumor cells from dividing so they stop growing or die. GTI-2040 may stop the growth of tumor cells by blocking the enzymes necessary for their growth and by making tumor cells more sensitive to gemcitabine.

PURPOSE: This phase I trial is studying the side effects and best dose of GTI-2040 and gemcitabine in treating patients with metastatic or unresectable solid tumors.

Description

OBJECTIVES:

Primary

- Determine the toxicity profile and maximum tolerated dose of GTI-2040 and gemcitabine in patients with metastatic or unresectable solid tumors.

Secondary

- Determine the pharmacokinetics and pharmacodynamics of this regimen in these patients.

OUTLINE: This is an open-label, dose-escalation study.

Patients receive GTI-2040 IV continuously on days 2-16 of course 1 and on days 1-16 of all subsequent courses and gemcitabine IV over 30 minutes on days 1, 8, and 15 of course 1 and on days 2, 9, and 16 of all subsequent courses. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.

Cohorts of 3-6 patients receive escalating doses of GTI-2040 and gemcitabine until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 of 3 or 2 of 6 patients experience dose-limiting toxicity. Once the MTD is determined, 10 additional patients are treated at that dose.

PROJECTED ACCRUAL: Approximately 18-40 patients will be accrued for this study within 6-20 months.

Study Design

Masking: Open Label, Primary Purpose: Treatment

Conditions

Unspecified Adult Solid Tumor, Protocol Specific

Intervention

GTI-2040, gemcitabine hydrochloride

Location

Cancer Therapy and Research Center
San Antonio
Texas
United States
78229

Status

Completed

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:54:32-0400

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Medical and Biotech [MESH] Definitions

A solid, unencapsulated tumor of the KIDNEY composed of spindle mesenchymal cells that resemble FIBROBLASTS or muscle cells. The homogeneous mass typically extends into the renal parenchyma and replaces most of the kidney. In most cases, mesoblastic nephroma is benign and occurs in the fetus or newborn, and rarely in the older child or the adult.

A transplantable, poorly differentiated malignant tumor which appeared originally as a spontaneous breast carcinoma in a mouse. It grows in both solid and ascitic forms.

A malignant cystic or semisolid tumor most often occurring in the ovary. Rarely, one is solid. This tumor may develop from a mucinous cystadenoma, or it may be malignant at the onset. The cysts are lined with tall columnar epithelial cells; in others, the epithelium consists of many layers of cells that have lost normal structure entirely. In the more undifferentiated tumors, one may see sheets and nests of tumor cells that have very little resemblance to the parent structure. (Hughes, Obstetric-Gynecologic Terminology, 1972, p184)

A solid tumor consisting of a dense infiltration of MAST CELLS. It is generally benign.

An adenocarcinoma in which the tumor elements are arranged as finger-like processes or as a solid spherical nodule projecting from an epithelial surface.

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