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Hexarelin

Examorelin, HEX

Quick Stats
Studies 233
Trials 61
Unknown NA INTERVENTIONAL NCT05571709

The Effect of Exercise on Myokine Production in Aging Persons

View on ClinicalTrials.gov Updated Dec 15, 2025

Brief Summary

The incidence of age-related diseases, such as cancer and cardiovascular diseases, rapidly rises. These days, age-related diseases cause the majority of all healthcare expenses. During ageing senescent cells secrete a range of harmful inflammatory signals, which leads to chronic inflammation (inflamm-aging) and accelerates aging throughout the rest of the body. Interestingly, people who regularly exercise show less signs of inflamm-aging compared to people with a sedentary lifestyle. Molecules secreted by skeletal muscles, called myokines, may play an important role. However, the underlying molecular mechanisms remain unknown. This pilot study aims to investigate if an acute bout of resistance training is an appropriate tool to induce an increase in the release of muscle derived myokines in aged persons.

Interventions

Name: Exercise training
Type: OTHER
Description: Resistance training of the lower limbs
Name: Questionnaire
Type: BEHAVIORAL
Description: Physical activity questionnaire
Name: Percutaneous muscle biopsy
Type: PROCEDURE
Description: Muscle biopsy of the vastus lateralis (m. quadriceps)
Name: Blood sample
Type: PROCEDURE
Description: Venous blood sample

Primary Outcomes

Measure: Cytokine concentration
TimeFrame: Day 2
Description: Measurement of multiple cytokines in blood (for example: IL-6, IL-15, IL-4, irisin...) with ELISA's or multiplex assays
Measure: Myokine production
TimeFrame: Day 2
Description: Immunohistochemistry staining (fluorescent) of multiple myokines (for example: IL-6, IL-15, IL-4, irisin..) and aging markers (p16,p21...) on muscle tissue
Measure: Immune parameters
TimeFrame: Day 2
Description: Flow cytometry panels of immune parameters in muscle tissue
Measure: Myokine protein levels
TimeFrame: Day 2
Description: Western blotting of multiple myokines in muscle tissue
Measure: Myokine gene expression
TimeFrame: Day 2
Description: Quantitative PCR (polymerase chain reaction) of markers in muscle tissue

Trial Information

NCT ID

NCT05571709

Status

Unknown

Study Type

INTERVENTIONAL

Phases

NA

Sponsor

Hasselt University

Last Updated

December 15, 2025