Radiolabeled antibody imaging in the management of colorectal cancer. Results of a multicenter clinical study
- Buffalo General Hospital, NY (USA)
Presurgical colorectal cancer patients (n = 116) received single intravenous infusions of 1 mg of CYT-103 (OncoScint CR103), an immunoconjugate of monoclonal antibody B72.3, radiolabeled with 111In. Following gamma camera imaging, 103 patients underwent an operative procedure: 92 had primary or recurrent colorectal carcinoma, 1 patient evaluated for recurrence of colorectal cancer had a second primary malignancy (small cell lung), and 10 patients had no demonstrable evidence of malignancy. 111In-CYT-103 immunoscintigraphic findings were consistent with the pathologic diagnoses for 70% of patients with colorectal cancer and 90% of disease-free patients. Antibody imaging contributed to surgical decision making through the detection of occult disease (12% of patients) and the confirmation of localized, potentially resectable disease without regional or metastatic spread. Seven patients (6%) experienced adverse effects, primarily fevers and itching, and 33% of patients developed antibodies to murine immunoglobulin after administration of 111In-CYT-103. The results of this study suggest that 111In-CYT-103 is a useful diagnostic tool for the presurgical evaluation of colorectal cancer patients.
- OSTI ID:
- 5265498
- Journal Information:
- Annals of Surgery; (United States), Journal Name: Annals of Surgery; (United States) Vol. 214:2; ISSN 0003-4932; ISSN ANSUA
- Country of Publication:
- United States
- Language:
- English
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62 RADIOLOGY AND NUCLEAR MEDICINE
ANTIBODIES
ANTIGENS
BETA DECAY RADIOISOTOPES
BODY
CARCINOEMBRYONIC ANTIGEN
COUNTING TECHNIQUES
DAYS LIVING RADIOISOTOPES
DIAGNOSIS
DIAGNOSTIC TECHNIQUES
DIGESTIVE SYSTEM
DISEASES
ELECTRON CAPTURE RADIOISOTOPES
GASTROINTESTINAL TRACT
INDIUM 111
INDIUM ISOTOPES
INTERMEDIATE MASS NUCLEI
INTESTINES
ISOMERIC TRANSITION ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
LARGE INTESTINE
MINUTES LIVING RADIOISOTOPES
MONOCLONAL ANTIBODIES
NEOPLASMS
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PATIENTS
RADIOIMMUNODETECTION
RADIOIMMUNOSCINTIGRAPHY
RADIOISOTOPE SCANNING
RADIOISOTOPES
RECTUM
SCINTISCANNING
SPECIFICITY
TRACER TECHNIQUES