Direct intralymphatic injection of radiolabeled sup 111 In-T101 in patients with cutaneous T-cell lymphoma
- National Cancer Institute, Bethesda, MD (USA)
Direct intralymphatic administration of radiolabeled monoclonal antibody in targeting antigen-bearing lymphoma cells in regional lymph nodes of patients with cutaneous T-cell lymphoma was evaluated. Seven consecutive patients undergoing staging lymphangiography received intralymphatic infusions of {sup 111}In-T101 to evaluate lymph node involvement. This procedure was accomplished without significant complication. The {sup 111}In-T101 rapidly distributed throughout the regional lymphatic compartment and passed into the systemic circulation. Tumor-bearing sites in the inguinal-femoral lymph nodes retained from 0.42 to 4.8% of the injected dose of radiolabeled antibody. Three patients were upstaged to Stage IVA based on tumor involvement found after radiolymphoscintigraphy-directed biopsy of groin lymph nodes, selected because of intense radioactivity by gamma camera imaging. Compared with previously reported s.c. antibody administration, there was a marked reduction in the radioactive exposure of normal tissues at the injection sites in the lower extremities. Direct intralymphatic delivery of {sup 111}In-T101 appears to be a feasible, efficient method for delivering therapeutic doses of radiolabeled antibody.
- OSTI ID:
- 5985172
- Journal Information:
- Cancer Research; (USA), Journal Name: Cancer Research; (USA) Vol. 51:2; ISSN CNREA; ISSN 0008-5472
- Country of Publication:
- United States
- Language:
- English
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62 RADIOLOGY AND NUCLEAR MEDICINE
ANTIBODIES
BETA DECAY RADIOISOTOPES
DAYS LIVING RADIOISOTOPES
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ELECTRON CAPTURE RADIOISOTOPES
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INDIUM 111
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NUCLEAR MEDICINE
NUCLEI
ODD-EVEN NUCLEI
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RADIATION DOSES
RADIOIMMUNOLOGY
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RADIOLOGY
RADIOTHERAPY
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