Observational studyHormones (Athens, Greece)2024
A prospective study on endocrine function in patients with long-COVID symptoms.
Observational study in Hormones (Athens, Greece), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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The trial behind it
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Who cites it
7 citing papers in PubMed, 9 citations in OpenAlex.
- Exploratory Analysis of Serum IGF-I Levels and Symptom Trajectories in Long COVID During the Omicron Period.Journal of clinical medicine · 2026Article
- Possible Involvement of Hypothalamic Dysfunction in Long COVID Patients Characterized by Delayed Response to Gonadotropin-Releasing Hormone.International journal of molecular sciences · 2026Article
- Article
- A schedule for tapering glucocorticoid treatment in patients with severe SARS-CoV 2 infection can prevent acute adrenal insufficiency in the geriatric population.Hormones (Athens, Greece) · 2024Article
- Translating insights into therapies for Long Covid.Science translational medicine · 2024Review
- Long Covid: Hormone Imbalances and/or Rather Complex Immune Dysregulations?Journal of the Endocrine Society · 2024Article
- Genetics of primary hyperparathyroidism, our first Batrinos' scholar review, metabolic syndrome, and quite a bit of reproductive endocrinology: a great issue.Hormones (Athens, Greece) · 2024Article
Corrections and comments
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Authors and funding
11 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo investigate hormonal status in patients with long-COVID and explore the interrelationship between hormone levels and long-COVID symptoms.
designProspective observational study.
participantsPatients who visited our long-COVID outpatients' clinic due to long-COVID symptoms from February 2021 to December 2022. MEASUREMENTS: Total triiodothyronine, free thyroxine, thyrotropin, thyroglobulin, anti-thyroperoxidase, and antithyroglobulin autoantibodies were measured for thyroid assessment. Other hormones measured were growth hormone, insulin-like growth factor 1 (IGF-1), adrenocorticotropic hormone (ACTH), serum cortisol, dehydroepiandrosterone sulfate (DHEA-S), total testosterone, plasma insulin, and C-peptide. Blood glucose and glycosylated hemoglobin were also measured. To assess adrenal reserve, an ACTH stimulation test was performed. The fatigue assessment scale (FAS) was used to evaluate fatigue severity.
resultsEighty-four adult patients were included. Overall, 40.5% of the patients had at least one endocrine disorder. These included prediabetes (21.4%), low DHEA-S (21.4%), subclinical hypothyroidism (3.6%), non-specific thyroid function abnormality (7.1%), thyroid autoimmunity (7.1%), low testosterone in males (6.6%), and low IGF-1 (3.6%). All patients had normal adrenal reserve. Long-COVID-19 symptoms were present in all patients and the most commonly reported symptom was fatigue (89.3%). The FAS score was higher than normal (≥ 22) in 42.8% of patients. There were no associations between patients' symptoms and hormone levels. Diabetic patients reported confusion (p = 0.020) and hair loss (p = 0.040) more often than non-diabetics.
conclusionsThe evaluation of endocrine function 3 months after a positive SARS-CoV2 test revealed only subclinical syndromes. The vast majority of patients reported mainly fatigue, among other symptoms, which were unrelated, however, to endocrine function.
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