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Experimental studies in nude mice with human colon-carcinoma grafts demonstrated the therapeutic efficiency of F(ab')2 fragments to carcinoembryonic antigen (CEA) labeled with a high dose of 131Iodine. A phase I/II study was designed to determine the maximum tolerated dose of 131I-labeled F(ab')2 fragments (131I-F(ab')2) from anti-CEA monoclonal antibody(More)
The use of tumor necrosis factor alpha (TNFalpha) in cancer therapy is limited by its short circulatory half-life and its severe systemic side effects. To overcome these limitations, we evaluated the capability of a bispecific antibody (BAb) directed against carcinoembryonic antigen (CEA) and human TNFalpha to target this cytokine in tumors. A BAb was(More)
Positron emission tomography (PET) with 18F-fluorodeoxyglucose (FDG) is a scintigraphic imaging technique undergoing a rapid growth in the field of oncology. The constant progress of the detectors, either CDET or PET dedicated cameras, allows to obtain in routine conditions images with a 5 mm spatial resolution. Absolute tracer uptake quantification is also(More)
Immunophototherapy of cancer combines the specificity of a monoclonal antibody (MAb) to an overexpressed tumor marker with the phototoxic properties of a conjugated dye. Aluminum tetrasulfophthalocyanine (AlPcS4) was covalently coupled to a 35A7 MAb directed against carcinoembryonic antigen (CEA) via a five-carbon spacer chain (A1) to yield conjugates with(More)
99mTechnetium-201Thallium subtraction scanning was performed in 24 patients with primary (N=5) and secondary (N=19) hyperparathyroidism. The preoperative scintigraphy (N=12) detected 21 of 23 enlarged glands surgically removed and was helpful for detecting abnormal location especially in the mediastinum. Postoperative scanning in patients with recurrent(More)
Following some preliminary remarks on the role of the surfactant in pulmonary physiology and physiopathology, a physiochemical study of the lungs of 26 infants who died in the neonatal period is reported. Two techniques for measuring the decrease in surface tension are set out. The results in the first case (tensiometric method) allow an explanation of the(More)
INTRODUCTION Several epidemiological studies have indicated an increased risk of lung cancer associated with indoor radon exposure. As part of a large European project, a hospital based case-control study was carried out in four regions of France: Auvergne, Brittany, Languedoc-Roussillon and Limousin. MATERIAL AND METHODS Individual data on demographic(More)
The alveolar wall on contact with air can be compared with a biological air-liquide interface. As with all interfaces, there are therefore superficial forces which tend to reduce the surface to a minimum. In the case of a pulmonary alveolus with a spherical surface, these forces are at the origin of an internal pressure excess dependent on the radius of the(More)
Because a 13% incidence of hepatotoxicity was observed in a first study of multibacillary leprosy patients treated daily with dapsone, rifampin, and 10 mg/kg thioamide, the patients were treated in a second study with 5 mg/kg thioamide in daily combination with dapsone and rifampin. In this study, monthly assessments of liver function were performed in(More)