Related Experiment Video

Updated: Aug 12, 2026

A Chronic High-Intensity Interval Training and Diet-Induced Obesity Model to Maximize Exercise Effort and Induce Physiologic Changes in Rats
06:28

A Chronic High-Intensity Interval Training and Diet-Induced Obesity Model to Maximize Exercise Effort and Induce Physiologic Changes in Rats

Published on: April 28, 2023

Hormonal and metabolic adaptation to a reducing regimen in children

J Sonka1, P Kostiuk, J Hilgertová

  • 1Laboratory for Endocrinology and Metabolism, 1st Medical Faculty, Charles University, Prague, Czech Republic.

Acta Universitatis Carolinae. Medica
|January 1, 1993
PubMed

Insights

This study on obese children found a combined diet and exercise plan reduced insulin, cortisol, and triacylglycerols. However, decreased thyroid hormone (T3) levels may limit long-term weight loss effectiveness.

Area of Science:

  • Pediatric Endocrinology
  • Metabolic Health
  • Obesity Management

Background:

  • Childhood obesity is a growing public health concern.
  • Effective and sustainable weight management strategies are needed for pediatric populations.
  • Understanding the metabolic and hormonal changes during weight loss interventions is crucial.

Purpose of the Study:

  • To evaluate the effects of a combined slimming regimen on metabolic and hormonal parameters in moderately obese children.
  • To assess the short-term (10 days) and medium-term (52 days) impacts of the intervention.
  • To identify both beneficial and potentially limiting factors of the regimen.

Main Methods:

  • A cohort of 20 moderately obese children participated in the study.
  • The intervention involved a 5.2 MJ diet combined with low to medium intensity physical activity.
  • Blood samples were collected at baseline (day 0), day 10, and day 52 to analyze various biomarkers.

Main Results:

  • Significant decreases in insulin, triacylglycerols, cortisol, thyroxine (T4), and triiodothyronine (T3) were observed.
  • Glucose and lactate levels initially decreased then returned to baseline; NEFA and beta-hydroxybutyrate showed opposite trends.
  • Mean weight loss was 9 kg, but a decline in T3 may have contributed to reduced weight loss over time.

Conclusions:

  • The combined slimming regimen demonstrated favorable effects by reducing key metabolic risk factors like insulinemia, cortisolemia, and triacylglycerolemia.
  • The observed decrease in T3 levels presents a potential challenge for sustained weight loss in this pediatric population.
  • Further research is warranted to optimize regimens for long-term efficacy in childhood obesity management.

More Related Videos

Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults06:13

Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults

Published on: December 1, 2023

Long-term Monitoring of Oxygen Consumption Rates in Highly Differentiated and Polarized Retinal Pigment Epithelial Cultures08:09

Long-term Monitoring of Oxygen Consumption Rates in Highly Differentiated and Polarized Retinal Pigment Epithelial Cultures

Published on: August 16, 2024

Related Concept Videos

Factors Affecting Drug Response: Overview01:21

Factors Affecting Drug Response: Overview

When it comes to infants and young children, they are typically administered smaller doses of medication in comparison to adults. This is primarily because their organ functions still need to fully develop, meaning their bodies are not as efficient at metabolizing or eliminating drugs. Additionally, their blood-brain barrier is more permeable than in adults. As a result, high concentrations of drugs can easily penetrate the central nervous system (CNS), potentially leading to neurological...
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight, compared...
Insulin: Dosing Regimen and Adverse Effects01:16

Insulin: Dosing Regimen and Adverse Effects

Insulin-replacement therapy usually includes both long-acting insulin (basal) and short-acting insulin (to cater to postprandial needs). In a diverse group of type 1 diabetes patients, the average daily insulin dose is typically 0.5-0.7 units/kg body weight. However, obese patients and pubertal adolescents may need more due to insulin resistance.
The basal dose constitutes about 40%-50% of the total daily dose, with the rest as premeal insulin. The mealtime insulin dose should mirror...
Cellular Adaptation I: Introduction and Atrophy01:23

Cellular Adaptation I: Introduction and Atrophy

Cells can adapt to environmental changes to maintain function and avoid injury, a process called cellular adaptation. Adapted cells exist in a reversible intermediate state with changes in size, number, phenotype, metabolism, or function. These responses help cells meet altered physiological or pathological demands; for example, enlargement of breast and uterine tissues during pregnancy. Early adaptations may enhance function, but persistent stress eventually causes tissue damage.Types of...
Cellular Adaptation II: Hypertrophy01:26

Cellular Adaptation II: Hypertrophy

Hypertrophy is the increase in the size of individual cells, resulting in the enlargement of a tissue or organ. Unlike hyperplasia, which involves an increase in cell number, hypertrophy is characterized by an increase in cell volume. This process often occurs in response to higher functional demand or hormonal stimulation, leading to the production of more structural proteins and organelles, thereby enhancing the cells' work capacity.There are two primary types of hypertrophy: physiological...