Insulin Resistance in Relation to Hyperthyroidism and Hypothyroidism

NCT ID: NCT06399796

Last Updated: 2024-05-06

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Total Enrollment

100 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-06-01

Study Completion Date

2025-07-01

Brief Summary

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Insulin resistance and its relation to hyperthyrodism and Hypothyroidism

Detailed Description

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Thyroid hormones (TH) play an important role in regulating energy balance, metabolism of glucose, and lipids. While TH oppose the action of insulin and stimulate the hepatic gluconeogenesis and glycogenolysis they up-regulate the expression of genes such as glucose transporter type-4 (GLUT--4) and phosphoglycerate kinase, involved in glucose transport and glycolysis, respectively, thus acting synergistically with insulin facilitating glucose disposal and utilization in peripheral tissues.

This indicates a possible interplay between thyroid status and insulin sensitivity. Homeostatic model assessment (HOMA) is a method for assessing β-cell function and insulin resistance (IR) from basal (fasting) glucose and insulin or C-peptide concentrations. The homeostasis model assessment (HOMA) for IR (HOMA-IR) derives estimates of insulin sensitivity from the mathematical modeling of fasting plasma glucose and insulin concentrations.

Homeostatic model assessment for insulin resistance (HOMA - IR) based on fasting glucose and insulin measurements; derived from the product of the insulin and glucose values divided by a constant, that is, calculated by using the following formula: fasting glucose (mg/dL) X fasting insulin (mU/L) / 405 (for SI units: fasting glucose (mmol/L) X fasting insulin (mU/L) / 22.5) , a value greater than 2 indicates insulin resistance .

In both hyper- as well as hypothyroid groups, there was significant increase in LDL levels. The amount of insulin specifically bound and the number of insulin receptors per cell were inversely correlated with the LDL level. The number of insulin receptors and the amount of insulin bound in the tested subjects with increased LDL were correspondingly low.

Conditions

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Insulin Resistance

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* Adult pations above 18 years old

Exclusion Criteria

* Any patients with Diabetes mellitus
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Assiut University

OTHER

Sponsor Role lead

Responsible Party

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Dina Ibrahim Sadek Mohamed

Doctor

Responsibility Role PRINCIPAL_INVESTIGATOR

References

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Chubb SA, Davis WA, Davis TM. Interactions among thyroid function, insulin sensitivity, and serum lipid concentrations: the Fremantle diabetes study. J Clin Endocrinol Metab. 2005 Sep;90(9):5317-20. doi: 10.1210/jc.2005-0298. Epub 2005 Jun 28.

Reference Type BACKGROUND
PMID: 15985488 (View on PubMed)

Raboudi N, Arem R, Jones RH, Chap Z, Pena J, Chou J, Field JB. Fasting and postabsorptive hepatic glucose and insulin metabolism in hyperthyroidism. Am J Physiol. 1989 Jan;256(1 Pt 1):E159-66. doi: 10.1152/ajpendo.1989.256.1.E159.

Reference Type BACKGROUND
PMID: 2643338 (View on PubMed)

Clement K, Viguerie N, Diehn M, Alizadeh A, Barbe P, Thalamas C, Storey JD, Brown PO, Barsh GS, Langin D. In vivo regulation of human skeletal muscle gene expression by thyroid hormone. Genome Res. 2002 Feb;12(2):281-91. doi: 10.1101/gr.207702.

Reference Type BACKGROUND
PMID: 11827947 (View on PubMed)

Singh BM, Goswami B, Mallika V. Association between insulin resistance and hypothyroidism in females attending a tertiary care hospital. Indian J Clin Biochem. 2010 Apr;25(2):141-5. doi: 10.1007/s12291-010-0026-x. Epub 2010 May 27.

Reference Type BACKGROUND
PMID: 23105900 (View on PubMed)

Mari A, Ahren B, Pacini G. Assessment of insulin secretion in relation to insulin resistance. Curr Opin Clin Nutr Metab Care. 2005 Sep;8(5):529-33. doi: 10.1097/01.mco.0000171130.23441.59.

Reference Type BACKGROUND
PMID: 16079624 (View on PubMed)

Sanghvi A, Virji MA, Warty V, Dimasi MJ. Differential suppression of lymphocyte cholesterol synthesis by low density lipoprotein and erythrocyte insulin receptors in normolipidemic subjects. Atherosclerosis. 1983 Dec;49(3):307-18. doi: 10.1016/0021-9150(83)90141-7.

Reference Type BACKGROUND
PMID: 6362680 (View on PubMed)

Other Identifiers

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Thyroid and insulin resistance

Identifier Type: -

Identifier Source: org_study_id

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