Thyroid hormone supplementation for patients on hemodialysis

A Randomized Controlled Trial of Thyroid Hormone Supplementation in Hemodialysis Patients

Not applicable Interventional University of California, Irvine · NCT03977207

This study is testing if a thyroid hormone pill can help people on hemodialysis with mild thyroid issues feel better and improve their heart health.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment336 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorUniversity of California, Irvine Academic / other
Locations1 site (Orange, California)
Trial IDNCT03977207 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the effects of levothyroxine, a thyroid hormone, on hemodialysis patients who have high-normal or subclinical hypothyroidism. The study aims to determine whether levothyroxine can improve health-related quality of life, cardiovascular outcomes, and metabolic effects in this population. It will involve a randomized, double-blind, placebo-controlled design with 336 participants receiving either the medication or a placebo. The trial will assess various health metrics, including physical performance and cardiovascular function, to evaluate the efficacy of thyroid hormone replacement.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18-75 who have been on hemodialysis for at least four weeks and have elevated TSH levels between 3.0-10.0 mIU/L.

Not a fit: Patients currently receiving thyroid hormone treatment, those with certain cardiovascular conditions, or those with a life expectancy of less than six months may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the quality of life and cardiovascular health for hemodialysis patients suffering from hypothyroidism.

How similar studies have performed: While there is limited data on the efficacy of levothyroxine in hemodialysis patients, previous studies have shown associations between elevated TSH levels and adverse health outcomes, indicating a potential for significant findings in this area.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age 18-75 years old
* Received hemodialysis at least four weeks
* Have two consecutive thyrotropin (TSH) levels \>3.0-10.0mIU/L during the screening period
* Have normal free thyroxine (FT4) levels
* Have ability to provide written informed consent

Exclusion Criteria:

* Active treatment with thyroid hormone supplementation or anti-thyroid medications
* Active receipt of dialysis
* Prior kidney transplantation
* Life expectancy less than six months
* Active malignancy or prior thyroid malignancy
* Active pregnancy or planning a pregnancy
* Active coronary ischemia or atrial fibrillation (evaluated by EKG)
* Active congestive heart failure exacerbation
* Osteoporosis
* Weight in excess of 450 lbs.
* Hyperthyroidism as determined by TSH \<0.5mIU/L during the screening period, anti-thyroid medication use, or hyperthyroidism diagnosis

Where this trial is running

Orange, California

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions ThyroidFunctional DisturbanceHypothyroidismHemodialysis
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.