Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 28, 2026, 6:09 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Hypothyroidism
Interventions
L-thyroxine (L-T4)
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
20 Years to 75 Years
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Multiple Sclerosis
Interventions
Liothyronine sodium, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Intraventricular Hemorrhage of Prematurity
Interventions
Thyroxine, Placebo
Drug
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
3 Days to 6 Days
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
The Bronx, New York
Completed Phase 1Phase 2 Interventional Results available

Developing Oral LT3 Therapy for Heart Failure - HFpEF

NCT04111536
Conditions
Heart Failure With Preserved Ejection Fraction, Low Triiodothyronine Syndrome
Interventions
liothyronine, Placebo
Drug · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Prostate Cancer
Interventions
Ad5-CMV-NIS, Liothyronine Sodium, Reverse Transcriptase Polymerase Chain Reaction, laboratory biomarker analysis, Iodine I 131, Iodine I 123
Biological · Drug · Genetic + 2 more
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years · Male only
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Hypothyroidism
Interventions
Levothyroxine
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
21 Years to 60 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Hypothyroidism, Thyroid Disease, Euthyroid, Thyroid Gland, Thyroid Hormones
Interventions
Armour® Thyroid, Levothyroxine
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years to 75 Years
Enrollment
284 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
28
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Greenbrae, California + 23 more
Conditions
Healthy
Interventions
LEVOTHYROXINE SODIUM TABLETS,, SYNTHROID® 300 mcg Tablets
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Fargo, North Dakota
Conditions
Metastatic Breast Cancer, Thyroid Dysfunction
Interventions
Triiodothyronine (T3)
Drug
Lead sponsor
Aultman Health Foundation
Other
Eligibility
18 Years to 105 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Canton, Ohio
Completed Phase 3 Interventional Results available

Intravenous Thyroxine for Heart-Eligible Organ Donors

NCT04415658
Conditions
Brain Death, Heart Failure
Interventions
Thyroxine, Saline
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
14 Years to 55 Years
Enrollment
838 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
14
States / cities
Phoenix, Arizona • San Diego, California • Denver, Colorado + 11 more
Conditions
Hypothyroidism
Interventions
Armour Thyroid, Levothyroxine
Drug
Lead sponsor
AbbVie
Industry
Eligibility
18 Years to 75 Years
Enrollment
2,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
134
States / cities
Birmingham, Alabama • Bonita, California • Burbank, California + 109 more
Not yet recruiting Phase 2 Interventional

T4/T3 Therapy in Hypothyroidism

NCT07424183
Conditions
Hypothyroidism Primary
Interventions
Liothyronine (L-T3), Levothyroxine Sodium (LT4) Tablets, Liothyronine (LT3) placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Congenital Heart Disease
Interventions
Blood draws
Other
Lead sponsor
Emory University
Other
Eligibility
Up to 1 Year
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Subclinical Hypothyroidism
Interventions
Levothyroxine, Placebo
Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
North Little Rock, Arkansas
Completed Phase 3 Interventional Results available

Liothyronine (T3) for Bipolar Depression

NCT00790738
Conditions
Depression, Bipolar Disorder
Interventions
Liothyronine (T3), placebo
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Glen Oaks, New York
Conditions
Insulin Resistance, Diabetes Mellitus, Abnormal Glucose Metabolism
Interventions
Liothyronine
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
12 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Recurrent Medulloblastoma, Recurrent Ependymoma
Interventions
Irinotecan, Temozolomide, Bevacizumab, Omburtamab I-131, Liothyronine, SSKI, Dexamethasone, Antipyretic, Antihistamine, anti-emetics
Drug
Lead sponsor
Pediatric Brain Tumor Consortium
Network
Eligibility
Up to 21 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
3
States / cities
Los Angeles, California • New York, New York • Cincinnati, Ohio
Conditions
Hypothyroidism
Interventions
Levothyroxine Sodium
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
65 Years and older
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Healthy
Interventions
Liothyronine, Sodium
Drug
Lead sponsor
Ipe, LLC
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Thyroid; Functional Disturbance, Hypothyroidism, Hemodialysis
Interventions
Levothyroxine Sodium, Placebos
Drug
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 75 Years
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Orange, California
Conditions
Heart Transplant Failure, Heart Transplant Infection
Interventions
Levothyroxine, Normal saline
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
San Francisco, California
Conditions
Hypothyroidism
Interventions
Levothyroxine, Levothyroxine/Liothyronine once daily, Levothyroxine/Liothyronine twice daily
Drug
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Farmington, Connecticut
Conditions
Thyroid Neoplasm
Interventions
Valproic Acid, Liothyronine Sodium
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Healthy
Interventions
Levothyroxine Sodium Tablets 300 μg, Synthroid® Tablets 300 μg
Drug
Lead sponsor
Mylan Pharmaceuticals Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Fargo, North Dakota