tokens: Forty - five patients with recent - onset hyperthyroidism ( < 12 weeks ) were sex and menopause stratified and randomly allocated to treatment with carbimazole ( Neotomizol ) , carbimazole plus low dose CT ( Calsynar ; 100 IU / day , 2 days / week ) , or carbimazole plus high dose CT ( Calsynar ; 100 IU / day , 14 days / month ) .