Metabolic Effects of Synthetic Thyroid Hormone for Thyroid Cancer Treatment
Public ClinicalTrials.gov record NCT01441154. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Pharmacokinetic and Pharmacodynamic Studies of Liothyronine. A Study on the Metabolic Effects of Thyroid Hormone
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Background: \- Thyroid hormone is produced by the thyroid gland, an organ at the base of the neck. Thyroid hormone controls the body's metabolism and the function of many organs. The thyroid gland produces two forms of thyroid hormone: T4 and T3. People who have thyroid cancer are treated with thyroid hormone therapy (synthetic T4, levothyroxine), which at times needs to be stopped to allow for cancer treatments. At these times, a different form of thyroid hormone (synthetic T3, liothyronine) is used to reduce the symptoms caused by low levels of thyroid hormone. Researchers want to know more about how changes in T3 hormone affect the body and organ function. Objectives: \- To study how changes in T3 hormone levels affect the body and organ function. Eligibility: \- Individuals at least 18 years of age who have had most or all of their thyroid removed to treat thyroid cancer who need to stop taking their regular thyroid hormone dose in preparation for the treatment of thyroid cancer. Design: * The study involves a screening visit and a baseline evaluation. It also includes an 11-day inpatient hospital stay. * Participants will be screened with a physical exam and medical history. They will also have blood tests and a neck ultrasound. * Participants will be evaluated with a physical exam, blood tests, and the following procedures: * Glucose tolerance test to measure blood sugar * Tests of body fat, muscle strength, and calorie burning levels * Imaging studies of the heart, liver, and thigh muscles * Quality of life questionnaires * Food preference and diet questionnaires * After 4 weeks of treatment with T3 hormone, participants will have an 11-day inpatient hospital stay to study the effect of thyroid hormone on their metabolism. The stay will involve the same tests done in the baseline evaluation.
Study identification
- NCT ID
- NCT01441154
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 16 participants
Conditions and interventions
Conditions
Interventions
Not listed
Eligibility (public fields only)
- Age range
- 18 Years to 99 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 19, 2011
- Primary completion
- Dec 11, 2013
- Completion
- Dec 11, 2013
- Last update posted
- Sep 27, 2020
2011 – 2013
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| National Institutes of Health Clinical Center, 9000 Rockville Pike | Bethesda | Maryland | 20892 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01441154, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 27, 2020 · Synced Sep 8, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01441154 live on ClinicalTrials.gov.