Evidence map›Paper›PMID 34543420›Full record

ArticleEndocrine reviews2022

Optimal Thyroid Hormone Replacement.

Jacqueline Jonklaas

Open access · bronzeAbstract read
In one paragraph

Article in Endocrine reviews, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
49citing papers in PubMed, 1 pooled it
7.0field-weighted citation impact, top 2% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

49 citing papers in PubMed, 1 synthesis or guideline pooled it, 80 citations in OpenAlex.

  1. Pooled it
  2. [Clinical determinants of levothyroxine dosage adjusted for various body weights].Revista medica del Instituto Mexicano del Seguro Social · 2026
    Article
  3. Article
  4. Article
  5. Article
  6. Review
  7. Review
  8. Approach to the Patient Considering Thyroid Hormone Deprescribing.The Journal of clinical endocrinology and metabolism · 2026
    Review
  9. Article
  10. Observational
  11. Review
  12. Measuring Hypothyroidism Disease Control Using a TSH-based "Time-in-range".The Journal of clinical endocrinology and metabolism · 2026
    Article
  13. Review
  14. Article
  15. Article
  16. Review
  17. Article
  18. Article
  19. Review
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

1 author at 1 institution in 1 country.

Jacqueline JonklaasGeorgetown University, Division of Endocrinology, Washington, DC 20007, USA.ORCID 0000-0002-2238-2666
Georgetown University · US

Funding

Maternal Morbidity and Mortality: Risk Factors, Early Detection and Personalized InterventionUL1TR001409 · NCATS · GEORGETOWN UNIVERSITY · PI GONDRE-LEWIS, MARJORIE C, MELLMAN, THOMAS A · 2015 to 2024
$37.8M
Capturing the Impact of Craniofacial Damage after Radioiodine TherapyR01DE025822 · NIDCR · GEORGETOWN UNIVERSITY · PI GRAVES, KRISTI D., JONKLAAS, JACQUELINE · 2016 to 2020
$1.3M
NCATS NIH HHS UL1 TR001409NIDCR NIH HHS R01 DE025822
6 · The paper itself

Abstract

Hypothyroidism is a common endocrinopathy, and levothyroxine is frequently prescribed. Despite the basic tenets of initiating and adjusting levothyroxine being agreed on, there are many nuances and complexities to consistently maintaining euthyroidism. Understanding the impact of patient weight and residual thyroid function on initial levothyroxine dosage and consideration of age, comorbidities, thyrotropin goal, life stage, and quality of life as levothyroxine is adjusted can be challenging and continually evolving. Because levothyroxine is a lifelong medication, it is important to avoid risks from periods of overtreatment or undertreatment. For the subset of patients not restored to baseline health with levothyroxine, causes arising from all aspects of the patient's life (coexistent medical conditions, stressors, lifestyle, psychosocial factors) should be broadly considered. If such factors do not appear to be contributing, and biochemical euthyroidism has been successfully maintained, there may be benefit to a trial of combination therapy with levothyroxine and liothyronine. This is not supported by the majority of randomized clinical trials, but may be supported by other studies providing lower-quality evidence and by animal studies. Given this discrepancy, it is important that any trial of combination therapy be continued only as long as a patient benefit is being enjoyed. Monitoring for adverse effects, particularly in older or frail individuals, is necessary and combination therapy should not be used during pregnancy. A sustained-release liothyronine preparation has completed phase 1 testing and may soon be available for better designed and powered studies assessing whether combination therapy provides superior therapy for hypothyroidism.

Indexed as

HypothyroidismThyroxineAgedFemaleHormone Replacement TherapyHumansPregnancyQuality of LifeTriiodothyronineThyroxineTriiodothyronineeuthyroidismhypothyroidismlevothyroxineliothyroninepatient-reported outcomesquality-of-life

Identifiers

PMID34543420
PMCPMC8905334
OpenAlexW3199501141

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.