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Thyrogen - I want Information about the Drug-Drug interaction of Thyrotropinalfa?

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JohnySmith 24 Feb 2010

Drug-Drug Interactions

Formal interaction studies between Thyrogen and other medicinal products have not been performed. In clinical trials, no interactions were observed between Thyrogen and the thyroid hormones triiodothyronine (T3) and thyroxine (T4) when administered concurrently.

The use of Thyrogen allows for radioiodine imaging while patients are euthyroid on triiodothyronine (T3) and/or thyroxine (T4). Data on radioiodine 131I kinetics indicate that the clearance of radioiodine is approximately 50% greater in euthyroid patients than in hypothyroid patients, who have decreased renal function. Thus radioiodine retention is less in euthyroid patients at the time of imaging and this factor should be considered when selecting the activity of radioiodine for use in radioiodine imaging.

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