Plasma alpha-subunit levels during the treatment of pituitary adenomas with the somatostatin analog (SMS 201-995) |
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Authors: | G Sassolas P Serusclat B Claustrat J Trouillas S Merabet R Cohen J C Souquet |
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Affiliation: | Centre de Médecine Nucléaire, H?pital Neuro-Cardiologique, Lyon, France. |
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Abstract: | The effect os SMS 201-995 (Sandostatin), a long-acting somatostatin analog, on different types of pituitary adenomas including alpha-subunit elevation is illustrated in this report. Treatment induced a fall in hCG levels in a woman with a pituitary adenoma producing only alpha-subunit. In 3 acromegalic patients, there was only a partial drop in GH and alpha-hCG. The same effect was observed in a woman with menopausal FSH and LH levels. SMS reduced plasma TSH and alpha-hCG in a case of thyrotropic adenoma. Two patients exhibiting FSH- and alpha-hCG-secreting adenomas did not respond to acute administration of SMS 201-995. More patients have to be treated before a definitive statement can be made on the usefulness of somatostatin analogs in the management of different types of pituitary adenomas. |
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