Analyzing Chromosomes in Patients With Newly Diagnosed Multiple Myeloma or Other Blood Disease

2014-08-27 03:22:19 | BioPortfolio


RATIONALE: Studying the chromosomes in samples of bone marrow and blood in the laboratory from patients with cancer or other blood diseases may help doctors learn more about the disease.

PURPOSE: This laboratory study is analyzing chromosomes in patients with newly diagnosed multiple myeloma or other blood disease.



- Compare the frequency of deletion 13 as detected by fluorescence in situ hybridization (FISH) and conventional cytogenetics in patients with newly diagnosed multiple myeloma (MM) or other monoclonal gammopathies (MG).

- Examine the prognostic value of specific subsets of chromosome aberrations detected by conventional cytogenetics and FISH in relation to event-free and overall survival in these patients.

- Compare the prognostic value of cytogenetics and FISH with other MM and MG prognostic factors in these patients.

- Correlate the presence of cytogenetic and FISH features with clinical pathophysiological, cellular, or other molecular characteristics in these patients.

OUTLINE: Patients receive treatment as directed by the treatment clinical trial on which they are registered. Patients undergo bone marrow or blood sample collection periodically for conventional cytogenetic analysis and fluorescence in situ hybridization studies (FISH). Samples are analyzed for deleted 13q/monosomy 13 and chromosomal abnormalities.

PROJECTED ACCRUAL: A total of 500 patients will be accrued for this study.

Study Design





cytogenetic analysis, fluorescence in situ hybridization


Active, not recruiting


National Cancer Institute (NCI)

Results (where available)

View Results


Published on BioPortfolio: 2014-08-27T03:22:19-0400

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A type of IN SITU HYBRIDIZATION in which target sequences are stained with fluorescent dye so their location and size can be determined using fluorescence microscopy. This staining is sufficiently distinct that the hybridization signal can be seen both in metaphase spreads and in interphase nuclei.

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Determination of the nature of a pathological condition or disease in the ovum, zygote, or blastocyst prior to implantation. CYTOGENETIC ANALYSIS is performed to determine the presence or absence of genetic disease.

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