Combined treatment of advanced oropharyngeal cancer with external radiotherapy and three-step radioimmunotherapy. 1998

G Paganelli, and R Orecchia, and B Jereczek-Fossa, and C Grana, and M Cremonesi, and F De Braud, and N Tradati, and M Chinol
Division of Nuclear Medicine, European Institute of Oncology, Milan, Italy.

The prognosis of patients with locally advanced head and neck cancer remains grim due to poor locoregional tumour control. In the attempt to eradicate residual disease, various novel modalities have been tested, among which radioimmunotherapy (RIT) has shown some potential. We present a case of locally advanced oropharyngeal carcinoma successfully treated with a combination of various treatments including surgery, radio-chemotherapy and three-step RIT, with the avidin-biotin pretargeting system. A partial tumour response was achieved after surgery and radio-chemotherapy; persistent disease was documented at computed tomography (CT), ultrasound (US) and immunoscintigraphy (ISG) 10 weeks after the end of chemo-radiotherapy. The good correlation between the tracer localization in the scintigraphic images and residual mass visualized at CT suggested the application of three-step RIT using systemic administration of yttrium-90 (py) biotin. At present, 17 months after RIT, the patient is alive with no evidence of disease as documented by magnetic resonance imaging (MRI) and US. This is the first case of complete clinical remission of a head and neck carcinoma induced by combined treatment including pretargeted RIT with 90Y-biotin.

UI MeSH Term Description Entries
D008297 Male Males
D009959 Oropharyngeal Neoplasms Tumors or cancer of the OROPHARYNX. Cancer of Oropharnyx,Oropharyngeal Cancer,Cancer of the Oropharynx,Neoplasms, Oropharyngeal,Oropharynx Cancer,Oropharynx Neoplasms,Cancer, Oropharyngeal,Cancer, Oropharynx,Cancers, Oropharyngeal,Cancers, Oropharynx,Neoplasm, Oropharyngeal,Neoplasm, Oropharynx,Neoplasms, Oropharynx,Oropharnyx Cancer,Oropharnyx Cancers,Oropharyngeal Cancers,Oropharyngeal Neoplasm,Oropharynx Cancers,Oropharynx Neoplasm
D011882 Radiotherapy, High-Energy Radiotherapy using high-energy (megavolt or higher) ionizing radiation. Types of radiation include gamma rays, produced by a radioisotope within a teletherapy unit; x-rays, electrons, protons, alpha particles (helium ions) and heavy charged ions, produced by particle acceleration; and neutrons and pi-mesons (pions), produced as secondary particles following bombardment of a target with a primary particle. Megavolt Radiotherapy,High-Energy Radiotherapy,Radiotherapy, Megavolt,High Energy Radiotherapy,Radiotherapy, High Energy
D002294 Carcinoma, Squamous Cell A carcinoma derived from stratified SQUAMOUS EPITHELIAL CELLS. It may also occur in sites where glandular or columnar epithelium is normally present. (From Stedman, 25th ed) Carcinoma, Epidermoid,Carcinoma, Planocellular,Carcinoma, Squamous,Squamous Cell Carcinoma,Carcinomas, Epidermoid,Carcinomas, Planocellular,Carcinomas, Squamous,Carcinomas, Squamous Cell,Epidermoid Carcinoma,Epidermoid Carcinomas,Planocellular Carcinoma,Planocellular Carcinomas,Squamous Carcinoma,Squamous Carcinomas,Squamous Cell Carcinomas
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D001710 Biotin A water-soluble, enzyme co-factor present in minute amounts in every living cell. It occurs mainly bound to proteins or polypeptides and is abundant in liver, kidney, pancreas, yeast, and milk. Vitamin H,Biodermatin,Biokur,Biotin Gelfert,Biotin Hermes,Biotin-Ratiopharm,Biotine Roche,Deacura,Gabunat,Medebiotin,Medobiotin,Rombellin,Biotin Ratiopharm,Gelfert, Biotin,Hermes, Biotin,Roche, Biotine
D014067 Tonsillar Neoplasms Tumors or cancer of the PALATINE TONSIL. Cancer of Tonsil,Tonsillar Cancer,Cancer of the Tonsil,Neoplasms, Tonsil,Neoplasms, Tonsillar,Tonsil Cancer,Tonsil Neoplasms,Cancer, Tonsil,Cancer, Tonsillar,Cancers, Tonsil,Cancers, Tonsillar,Neoplasm, Tonsil,Neoplasm, Tonsillar,Tonsil Cancers,Tonsil Neoplasm,Tonsillar Cancers,Tonsillar Neoplasm
D015021 Yttrium Radioisotopes Unstable isotopes of yttrium that decay or disintegrate emitting radiation. Y atoms with atomic weights 82-88 and 90-96 are radioactive yttrium isotopes. Radioisotopes, Yttrium
D016499 Radioimmunotherapy Radiotherapy where cytotoxic radionuclides are linked to antibodies in order to deliver toxins directly to tumor targets. Therapy with targeted radiation rather than antibody-targeted toxins (IMMUNOTOXINS) has the advantage that adjacent tumor cells, which lack the appropriate antigenic determinants, can be destroyed by radiation cross-fire. Radioimmunotherapy is sometimes called targeted radiotherapy, but this latter term can also refer to radionuclides linked to non-immune molecules (see RADIOTHERAPY). Immunoradiotherapy,Immunoradiotherapies,Radioimmunotherapies

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