Thyroid Hormone for Thyroid Cancer

Euthyrox (levothyroxine sodium tablets; L-T4) is a thyromimetic synthetic drug identical to T4. Patients will recieve levothyroxine (euthyrox) in a dose of 2 μg × kg body weight / day.

Cytomel (liothyronine sodium tablets; L-T3) is a thyromimetic synthetic drug identical to T3. The pharmacoequivalent ratio of L-T3 to L-T4 is 1:3. The L-T4-cohort receive doses of 2 μg × kg body weight / day. The pharmacoequivalent L-T3 dose would be 1/3th of that namely: 0.67 μg × kg body weight / day. Cytomel will be given trice daily and available dosages are 5, 12.5 and 25 μg.