Abstract
Imatinib is a tyrosine kinase inhibitor with activity in gastrointestinal stromal tumor and a variety of other solid and hematological malignancies. Studies in vitro and in a mouse model suggested that the imatinib might also be active in malignant Leydig cell tumor. We report on the--to our knowledge--first treatment experiment with imatinib in a patient with metastatic Leydig cell tumor. Unfortunately, the tumor progressed during treatment.
MeSH terms
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Aged
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Antineoplastic Agents / pharmacology
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Antineoplastic Agents / therapeutic use
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Benzamides
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Disease Progression
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Enzyme Inhibitors / pharmacology
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Enzyme Inhibitors / therapeutic use
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Humans
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Imatinib Mesylate
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Leydig Cell Tumor / drug therapy*
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Leydig Cell Tumor / secondary
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Male
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Piperazines / pharmacology
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Piperazines / therapeutic use*
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Protein-Tyrosine Kinases / antagonists & inhibitors
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Pyrimidines / pharmacology
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Pyrimidines / therapeutic use*
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Testicular Neoplasms / drug therapy*
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Testicular Neoplasms / secondary
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Treatment Failure
Substances
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Antineoplastic Agents
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Benzamides
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Enzyme Inhibitors
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Piperazines
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Pyrimidines
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Imatinib Mesylate
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Protein-Tyrosine Kinases