Uptake of indium-111-labeled monoclonal antibody ZME-018 as a function of tumor size in a patient with melanoma

D. J. Macey, S. J. Denardo, Gerald L Denardo, James E Goodnight Jr, M. W. Unger

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30 Citations (Scopus)

Abstract

The accumulation of an Indium-111-labeled monoclonal antibody (MoAb), ZME-018, in melanoma tumors in a patient was determined by sequential, quantitative gamma camera imaging. The amount and concentration of In-111 in each tumor changed in a characteristic pattern with time, reaching a peak at day 3 followed by a steady clearance. The concentration of In-111 in the tumor and the ratios of tumor to whole-body or blood decreased as the size of the tumor increased. These results were interpreted to indicate that the fraction of active, perfused tumor decreased as the melanoma lesions increased in size. The maximum number of MoAb molecules bound per melanoma cell was calculated to be about 35,000. The implications of these observations for radioimmunoimaging and therapy are significant.

Original languageEnglish (US)
Pages (from-to)1-6
Number of pages6
JournalAmerican Journal of Physiologic Imaging
Volume3
Issue number1
StatePublished - 1988

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Indium
Melanoma
Monoclonal Antibodies
Neoplasms
Radioimmunodetection
Radionuclide Imaging

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Uptake of indium-111-labeled monoclonal antibody ZME-018 as a function of tumor size in a patient with melanoma. / Macey, D. J.; Denardo, S. J.; Denardo, Gerald L; Goodnight Jr, James E; Unger, M. W.

In: American Journal of Physiologic Imaging, Vol. 3, No. 1, 1988, p. 1-6.

Research output: Contribution to journalArticle

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