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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03594812
Other study ID # AN-007
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date July 15, 2018
Est. completion date September 20, 2018

Study information

Verified date July 2018
Source Escola Superior de Tecnologia da Saúde do Porto
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The purpose of the present study was to evaluate the effects of one session of aerobic exercise associated with radiofrequency in lipolytic activity and lipid profile.


Description:

The adipose tissue is the main energetic reserve, being constituted by adipocytes, cells that accumulate lipids inside its cytoplasm, in the form of triglycerides.

Fat deposition can occur both in the subcutaneous compartment and in the visceral compartment and is the result of a positive energy balance in which there is an imbalance between the amount of calories consumed and the amount of calories expended. Thus, an excess of energy storage occurs in the form of triglycerides in adipose tissue, which results from a sedentary lifestyle and a diet based on lipid rich nutrients. When fat deposition occurs in abdominal adipose tissue may favor the development of metabolic disorders.

Recently the effectiveness of an innovative physiotherapeutic intervention - radiofrequency on adipose tissue has been studied. This therapeutic modality stimulates the lipolytic cascade, converting the triglycerides to fatty acids and glycerol. In this way, radiofrequency seems to aid in the reduction of adiposity. In addition, it assists in the reduction of the inflammatory process related to obesity, by reducing the pro-inflammatory cytokines.

The aerobic exercise, due to its low-moderate intensity, enhances the stimulation of lipolysis, by decreasing plasma insulin concentration and elevating the level of catecholamines. In this way, it influences the lipid metabolism, seeming to improve the lipid profile, through the degradation of the triglycerides as energetic substrate. In addition, the regular practice of physical exercise seems to promote a decrease in the inflammation state due to metabolic changes, through the reduction of pro-inflammatory cytokines, namely interleukin-6 and, consequently, C-reactive protein.

This study purpose understanding whether an aerobic exercise session associated with abdominal radiofrequency increases the level of lipolytic activity; To analyse the effect of four intervention sessions on abdominal adipose tissue


Recruitment information / eligibility

Status Completed
Enrollment 30
Est. completion date September 20, 2018
Est. primary completion date August 20, 2018
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Female
Age group 18 Years to 35 Years
Eligibility Inclusion Criteria:

- Body Mass Idex between 18,5 Kg/cm2 and 29,9 Kg/cm2

Exclusion Criteria:

- pregnant or intending to be in a period of an year

- participants with smoking habits

- participants with neoplasias, metabolic dysfunctions, renal pathologies, dermatological alterations

- participants with electronic devices

- participants with a condition that makes it impossible to practice physical exercise (disabling skeletal muscle pathologies and severe cardiorespiratory pathologies) participants under the effect of beta-blockers or other drugs which influence heart rate participants submitted to other fat reduce procedure

Study Design


Intervention

Device:
Radiofrequency
Radiofrequency protocol - The radiofrequency protocol was performed in dorsal decubitus, with the head elevated at 45º. The application was in capacitive mode, with a 5 cm electrode, always in movement. The duration of the application was established in 20 minutes, maintaining the local temperature between 40ºC to 42 ºC at the epidermis.
Radiofrequency without power
Radiofrequency protocol - The radiofrequency protocol was performed in dorsal decubitus, with the head elevated at 45ºC (Celsius degrees). The application was in capacitive mode, with a 5 cm electrode, always in movement. The duration of the application was established in 20 minutes, maintaining the local temperature between 40ºC to 42 ºC at the epidermis. In this group, the radiofrequency device was switched off.
Aerobic exercise
Aerobic exercise protocol - 40 minutes of aerobic moderate-intensity exercise (45-55% of reserve heart rate) using Karvonen´s formula, performed on a cycloergometer. The duration of the exercise was divided into three parts: warm-up (from 0 to 5 minutes); body (from 5 to 35 minutes); and cooling (from 35 to 40 minutes). The entire protocol was monitored through the Polar® brand heart rate monitor and watch.

Locations

Country Name City State
Portugal Andreia Noites Porto

Sponsors (1)

Lead Sponsor Collaborator
Escola Superior de Tecnologia da Saúde do Porto

Country where clinical trial is conducted

Portugal, 

References & Publications (4)

Belenky I, Margulis A, Elman M, Bar-Yosef U, Paun SD. Exploring channeling optimized radiofrequency energy: a review of radiofrequency history and applications in esthetic fields. Adv Ther. 2012 Mar;29(3):249-66. doi: 10.1007/s12325-012-0004-1. Epub 2012 — View Citation

Boisnic S, Branchet MC, Birnstiel O, Beilin G. Clinical and histopathological study of the TriPollar home-use device for body treatments. Eur J Dermatol. 2010 May-Jun;20(3):367-72. doi: 10.1684/ejd.2010.0938. Epub 2010 Apr 16. — View Citation

Goldberg DJ, Fazeli A, Berlin AL. Clinical, laboratory, and MRI analysis of cellulite treatment with a unipolar radiofrequency device. Dermatol Surg. 2008 Feb;34(2):204-9; discussion 209. Epub 2007 Dec 17. — View Citation

Hayre N, Palm M, Jenkin P. A Clinical Evaluation of a Next Generation, Non-Invasive, Selective Radiofrequency, Hands-Free, Body-Shaping Device. J Drugs Dermatol. 2016 Dec 1;15(12):1557-1561. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary Change in glycerol concentration Blood analysis collection was carried out with help from an clinical analysis technician. 10 minutes before the intervention and 5 minutes after the intervention
Primary Subcutaneous abdominal tissue thickness Measurement of the subcutaneous adipose fold by ultrasonography before intervention and 2 week after (after 4 sessions of intervention )
Secondary Change in lipid profile (LDL, HDL and triglyceride concentrations) Blood analysis collection was carried out with help from an clinical analysis technician. 10 minutes before the intervention and 5 minutes after the intervention
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