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Study of Opebacan in Patients Undergoing Myeloablative Allogeneic Hematopoietic Stem Cell Transplantation (HSCT)

2014-08-27 03:39:23 | BioPortfolio

Summary

The objectives of this study are as follows:

To demonstrate the safety of escalating doses of opebacan in subjects undergoing myeloablative allogeneic Hematopoietic Stem Cell Transplantation

To determine the pharmacokinetics of opebacan in subjects undergoing myeloablative allogeneic Hematopoietic Stem Cell Transplantation

To determine if IV administration of opebacan is associated with changes in biological markers for inflammation

To develop preliminary descriptive data on the occurrence and severity of Hematopoietic Stem Cell Transplantation related complications, including aGvHD

Description

IV infusion of opebacan to replace endogenous BPI during the peritransplant period will result in the reduction of LPS-induced inflammatory sequelae, in particular aGvHD, in patients undergoing allogeneic HSCT.

The rationale for using opebacan in patients undergoing myeloablative regimens and HSCT is based on the following:

Endotoxemia has been demonstrated to play a central pathophysiologic role as a trigger of aGvHD in animal models.

Endotoxemia following HSCT is associated with inflammatory conditions (such as inflammatory cytokine release) that have been demonstrated in humans to be associated with organ damage and increased morbidity and mortality.

Endotoxemia and LBP elevation have been demonstrated in humans undergoing ablative HSCT.

Chemotherapy-induced neutropenia results in a deficiency of endogenous BPI levels.

The timing of the endotoxemic insult is predictable (i.e., subsequent to myeloablative chemotherapy and radiotherapy).

The return to normal neutrophil levels is not immediate and takes one week to several weeks.

Well established laboratory techniques for surrogate markers related to LPS presence and its activities can facilitate the evaluation of molecules designed to inhibit or antagonize LPS and its effects.

The objectives of this study are as follows:

To demonstrate the safety of escalating doses of opebacan in subjects undergoing myeloablative allogeneic Hematopoietic Stem Cell Transplantation

To determine the pharmacokinetics of opebacan in subjects undergoing myeloablative allogeneic Hematopoietic Stem Cell Transplantation

To determine if IV administration of opebacan is associated with changes in biological markers for inflammation

To develop preliminary descriptive data on the occurrence and severity of Hematopoietic Stem Cell Transplantation related complications, including aGvHD

Study Design

Allocation: Non-Randomized, Control: Dose Comparison, Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Prevention

Conditions

Graft Versus Host Disease

Intervention

Opebacan

Location

Boston
Massachusetts
United States

Status

Active, not recruiting

Source

XOMA (US) LLC

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:39:23-0400

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Medical and Biotech [MESH] Definitions

An immunological attack mounted by a graft against the host because of tissue incompatibility when immunologically competent cells are transplanted to an immunologically incompetent host; the resulting clinical picture is that of GRAFT VS HOST DISEASE.

The clinical entity characterized by anorexia, diarrhea, loss of hair, leukopenia, thrombocytopenia, growth retardation, and eventual death brought about by the GRAFT VS HOST REACTION.

The immune responses of a host to a graft. A specific response is GRAFT REJECTION.

The survival of a graft in a host, the factors responsible for the survival and the changes occurring within the graft during growth in the host.

Manipulation of the host's immune system in treatment of disease. It includes both active and passive immunization as well as immunosuppressive therapy to prevent graft rejection.

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