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Observational Study of the Effects Intravenous Bortezomib Has on Osteoblast (Cell That is Responsible for Bone Formation) Activity in Multiple Myeloma Patients.

2014-07-23 21:11:32 | BioPortfolio

Summary

The purpose of this study is to measure the markers related to bone metabolism before and after the use of bortezomib injection in patients with multiple myeloma and to evaluate the effect bortezomib injection has on bone disease.

Description

Among several symptoms in patients with multiple myeloma, the bone disease is one of the most common symptoms that approximately 80 percent of the patients experience. Multiple myeloma is different from other tumors in that several osteoclast activating factors (OAF) released from multiple myeloma cells resorb bone and, at the same time, activation of osteoblast is inhibited, leading to unbalance of breakdown and formation of bone. Activation of osteoclast and inhibition of osteoblast brings about bone fractures, osteoporosis, hypercalcemia, bone pain and spinal cord compression. Those symptoms are directly related to patients' quality of life. Therefore, they are the important therapeutic targets for multiple myeloma. Various types of bisphosphonate agents are used for the treatment of the bone disease in patients with multiple myeloma. This is a prospective (a study where the participants are identified and then followed forward in time), multi-center, Phase 4, observational study (studies that record specific events occurring without any intervention from the researcher) in order to analyze the change in bone metabolism markers (DKK-1, sRANKL, OPG, sRANKL/OPG,bALP, OC) before and after the use of bortezomib injection by using an enzyme-linked immunosorbent assay (ELISA) in serum. The adverse events will be assessed through the National Cancer Institute Common Terminology Criteria for Adverse Events Version 3.0 (NCI CTCAE V3). The patients will receive bortezomib injection into a vein 1.3 mg/m2 twice a week for 21 days under usual clinical practice.

Study Design

Observational Model: Case-Only, Time Perspective: Prospective

Conditions

Multiple Myeloma

Intervention

bortezomib

Status

Completed

Source

Janssen Korea, Ltd., Korea

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:11:32-0400

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PubMed Articles [5641 Associated PubMed Articles listed on BioPortfolio]

DANFIN functions as an inhibitor of transcription factor NF-κB and potentiates the antitumor effect of bortezomib in multiple myeloma.

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An Expanded Treatment Protocol of Panobinostat Plus Bortezomib and Dexamethasone in Patients With Previously Treated Myeloma.

Panobinostat was recently approved by the US Food and Drug Administration and European Commission in combination with bortezomib and dexamethasone for patients with multiple myeloma who have received...

Bortezomib could down-regulate the expression of RANKL, inhibit cell proliferation and induce cell apoptosis in the human myeloma cell line RPMI 8226 by activating casepase-3.

In spite of bortezomib being developed and demonstrated as a safe drug therapy for multiple myeloma (MM), the role of bortezomib-induced receptor activator of nuclear factor (NF)-κB ligand (RANKL) in...

The combination of ionizing radiation and proteasomal inhibition by bortezomib enhances the expression of NKG2D ligands in multiple myeloma cells.

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Tolerance, Kinetics, and Depth of Response for Subcutaneous Versus Intravenous Administration of Bortezomib Combination in Chinese Patients With Newly Diagnosed Multiple Myeloma.

Peripheral neuropathy (PN) is an important toxicity that limits the use of bortezomib (Btz). Attempts to reduce PN have included its subcutaneous (SC) administration.

Medical and Biotech [MESH] Definitions

A pyrazine and boronic acid derivative that functions as a reversible PROTEASOME INHIBITOR. It is used as an ANTINEOPLASTIC AGENT in the treatment of MULTIPLE MYELOMA and MANTLE CELL LYMPHOMA.

A rare, aggressive variant of MULTIPLE MYELOMA characterized by the circulation of excessive PLASMA CELLS in the peripheral blood. It can be a primary manifestation of multiple myeloma or develop as a terminal complication during the disease.

Abnormal immunoglobulins characteristic of MULTIPLE MYELOMA.

An abnormal protein with unusual thermosolubility characteristics that is found in the urine of patients with MULTIPLE MYELOMA.

Class I human histocompatibility (HLA) antigens encoded by a small cluster of structural genes at the C locus on chromosome 6. They have significantly lower immunogenicity than the HLA-A and -B determinants and are therefore of minor importance in donor/recipient crossmatching. Their primary role is their high-risk association with certain disease manifestations (e.g., spondylarthritis, psoriasis, multiple myeloma).

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