Levothyroxine

Generic Name
Levothyroxine
Brand Names
Eltroxin, Ermeza, Euthyrox, Levo-T, Levothroid, Levoxyl, Np Thyroid, Synthroid, Thyquidity, Tirosint, Unithroid
Drug Type
Small Molecule
Chemical Formula
C15H11I4NO4
CAS Number
51-48-9
Unique Ingredient Identifier
Q51BO43MG4
Background

Levothyroxine is a synthetically produced form of thyroxine, a major endogenous hormone secreted by the thyroid gland. Also known as L-thyroxine or the brand name product Synthroid, levothyroxine is used primarily to treat hypothyroidism, a condition where the thyroid gland is no longer able to produce sufficient quantities of the thyroid hormones T (tetraio...

Indication

Levothyroxine is indicated as replacement therapy in primary (thyroidal), secondary (pituitary) and tertiary (hypothalamic) congenital or acquired hypothyroidism. It is also indicated as an adjunct to surgery and radioiodine therapy in the management of thyrotropin-dependent well-differentiated thyroid cancer.

Associated Conditions
Edematous Fibrosclerotic Panniculopathy (Cellulite), Hypothyroidism, Localized Adiposity, Myxedema coma, Euthyroid Goitre, Thyrotropin dependent Well-Differentiated Thyroid Cancer
Associated Therapies
-

Intravenous Thyroxine for Heart-Eligible Organ Donors

Phase 3
Completed
Conditions
Interventions
First Posted Date
2020-06-04
Last Posted Date
2024-01-10
Lead Sponsor
Washington University School of Medicine
Target Recruit Count
838
Registration Number
NCT04415658
Locations
🇺🇸

Lifesharing, San Diego, California, United States

🇺🇸

Texas Organ Sharing Alliance, San Antonio, Texas, United States

🇺🇸

Mid-America Transplant Services, Saint Louis, Missouri, United States

and more 11 locations

The Effect of Thyroid Hormone Therapy on Muscle Mass and Function in Older Adults With Subclinical Hypothyroidism

First Posted Date
2020-04-21
Last Posted Date
2023-05-18
Lead Sponsor
Insel Gruppe AG, University Hospital Bern
Target Recruit Count
322
Registration Number
NCT04354896
Locations
🇨🇭

Clinic for General Internal Medicine, Bern University Hospital Bern, Bern, Switzerland

🇳🇱

Department of Gerontology and Geriatrics, Leiden University Medical Center, Leiden, Netherlands

🇳🇱

Department of Public Health and Primary Care, Leiden University Medical Center, Leiden, Netherlands

and more 2 locations

Discontinuation of Levothyroxine Therapy for Patients With Subclinical Hypothyroidism

First Posted Date
2020-02-28
Last Posted Date
2023-11-18
Lead Sponsor
VA Office of Research and Development
Target Recruit Count
52
Registration Number
NCT04288115
Locations
🇺🇸

Central Arkansas Veterans Healthcare System Eugene J. Towbin Healthcare Center, Little Rock, AR, North Little Rock, Arkansas, United States

Can Levothyroxine Treatment Reduce the Development of Cardio-metabolic Disorder in Subclinical Hypothyroidism?

First Posted Date
2019-11-26
Last Posted Date
2019-11-29
Lead Sponsor
Ain Shams University
Target Recruit Count
40
Registration Number
NCT04178928

Low Dose Euthyrox in Treatments of Paraquat Intoxication.

First Posted Date
2019-10-21
Last Posted Date
2019-10-22
Lead Sponsor
Second Affiliated Hospital, School of Medicine, Zhejiang University
Target Recruit Count
80
Registration Number
NCT04132622

A Study of Armour® Thyroid Compared to Synthetic T4 (Levothyroxine) in Previously Hypothyroid Participants

First Posted Date
2019-10-11
Last Posted Date
2024-06-05
Lead Sponsor
Allergan
Target Recruit Count
284
Registration Number
NCT04124705
Locations
🇺🇸

Sponsor Site /ID# 235853, Fort Lauderdale, Florida, United States

🇺🇸

Sponsor Site /ID# 236809, West Palm Beach, Florida, United States

🇺🇸

Sponsor Site /ID# 235032, Atlanta, Georgia, United States

and more 25 locations

Improving White Matter Integrity With Thyroid Hormone

Completed
Conditions
Interventions
First Posted Date
2019-09-23
Last Posted Date
2020-04-10
Lead Sponsor
University of Illinois at Chicago
Target Recruit Count
5
Registration Number
NCT04098991
Locations
🇺🇸

University of Illinois at Chicago, Chicago, Illinois, United States

A Randomized Controlled Trial of Thyroid Hormone Supplementation in Hemodialysis Patients

First Posted Date
2019-06-06
Last Posted Date
2024-02-29
Lead Sponsor
University of California, Irvine
Target Recruit Count
336
Registration Number
NCT03977207
Locations
🇺🇸

University of California Irvine, Orange, California, United States

Supplementation of Thyroid Hormone for TSH Control in Patients With Chronic Kidney Disease Without TRR.

First Posted Date
2019-04-02
Last Posted Date
2019-04-02
Lead Sponsor
Hospital Civil de Guadalajara
Target Recruit Count
32
Registration Number
NCT03898622
Locations
🇲🇽

Kidney health clinic, Civil Hospital of Guadalajara, Guadalajara, Jalisco, Mexico

Quality of Life After Interventional Thyroid Treatment

First Posted Date
2019-03-19
Last Posted Date
2024-10-29
Lead Sponsor
Klinikum Lüdenscheid
Target Recruit Count
101
Registration Number
NCT03880578
Locations
🇩🇪

Department of Nuclear Medicine Klinikum Luedenscheid, Luedenscheid, NRW, Germany

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