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Bioavailability Investigations of Thyronajod Mite Tablets of Dosage Strengths 50 μg Levothyrox-ine/75 μg Iodine, and 100 μg Levothyroxine/75 μg Iodine vs. a Levothyroxine Drinking-Solution: A Randomised Cross Over Study in Healthy Male Individuals. Currently: 50 μg/ 75 μg Tablets

Phase 1
Completed
Conditions
Pharmacokinetics
Interventions
Registration Number
NCT01465633
Lead Sponsor
Heidelberg University
Brief Summary

The purpose of this study is to measure the area under the curve (AUC0-48h; extent of systemic availability) and the maxi-mum concentrations (Cmax) of total serum levothyroxine (TT4, bound and free fraction) after a single pharmacological dose of 600 μg administered as tablets also containing iodine supple-ments vs. the same dose of levothyroxine administered as a reference solution without iodine.

Detailed Description

Not available

Recruitment & Eligibility

Status
COMPLETED
Sex
Male
Target Recruitment
24
Inclusion Criteria
  • Euthyroid men
  • Age: 18 - 50
  • Normal values for fT4 und TSH
  • Good state of health
Exclusion Criteria
  • Thyroid function disorders in terms of subclinical or overt hyper- or hypothyroidism
  • History of thyroid function disorders
  • Focal or diffuse autonomies of the thyroid gland
  • Thyroid nodules >1 ml according to sonographic examination
  • Any acute or chronic illness
  • Dermatitis herpetiformis

Study & Design

Study Type
INTERVENTIONAL
Study Design
CROSSOVER
Arm && Interventions
GroupInterventionDescription
with iodinelevothyroxine-
without iodinelevothyroxine-
Primary Outcome Measures
NameTimeMethod
Secondary Outcome Measures
NameTimeMethod

Trial Locations

Locations (1)

Clinical Research Unit, University of Heidelberg

🇩🇪

Heidelberg, Germany

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