Use of monoclonal antibody B72. 3 in the management of gynecologic malignancies

Journal Article · Fri Jul 01 04:00:00 EDT 1988 · Yale J. Biol. Med.; (United States)

OSTI ID:6604209

Simpson, J; Schlom, J

Monoclonal antibodies are currently used in the diagnosis of gynecologic malignancies by way of immunohistochemical assays, serum assays, and in situ radiolocalization of carcinoma lesions. Among them is MAb B72.3, generated against a human tumor-associated antigen (TAG-72). Using immunohistochemical techniques, MAb B72.3 has shown reactivity with 100 percent of common epithelial ovarian carcinomas and endometrial carcinomas and non-reactivity with normal adult tissues, with the exception of normal secretory endometrium. B72.3 appears to be a valuable immunocytologic adjunct, with greater than 90 percent of effusions and fine-needle aspiration biopsies from gynecologic carcinomas showing reactivity. Using a serum assay developed to detect the presence of the TAG-72 antigen, 48 percent of patients with ovarian carcinoma demonstrated TAG-72-positive sera versus 1 percent of control sera. /sup 131/I-labeled MAb B72.3 IgG and gamma scanning have been used for the in situ detection of metastatic carcinoma. Twelve of 15 patients with ovarian carcinoma showed positive gamma scans, and approximately 80 percent of the lesions demonstrated specific localization of the antibody. These studies indicate the potential utility of MAb B72.3 in the diagnosis of gynecologic carcinoma. 57 references.

• Research Organization: National Cancer Institute, Bethesda, MD (USA)
• OSTI ID: 6604209
• Journal Information: Yale J. Biol. Med.; (United States), Journal Name: Yale J. Biol. Med.; (United States) Vol. 61:4; ISSN YJBMA
• Country of Publication: United States
• Language: English

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62 RADIOLOGY AND NUCLEAR MEDICINE
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CARCINOMAS
DAYS LIVING RADIOISOTOPES
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