NCT07190924

Brief Summary

Considering the remarkable increase of the fitness programs, the purpose of this study was to assess and compare the effect of Crossfit (CF) and periodized resistance (RT) trainings on inflammatory/oxidative responses in untrained individuals. Twenty-four participants (20 men and 4 women, age= 25.7 ± 2.2 years, BMI= 25.7 kg.m-2) were randomly assigned into 12 weeks of these trainings with a rate of five sessions/week. Before and after intervention, participants anthropometric data and graded exercise tests were performed. Before (pre), immediately after (post) and 60min after test (p60) a 20mL venous blood sample were drawn for a later measure of c-reactive protein (CRP), interleukin 1 beta (IL-1ß), tumor necrosis factor alpha (TNF-α), interleukin 6 (IL-6), interleukin 10 (IL-10), thiobarbituric acid reactive substances (TBARS), antioxidant enzymes catalase (CAT) and glutathione peroxidase (GPx).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
24

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Nov 2021

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

November 8, 2021

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 8, 2022

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

April 17, 2022

Completed
3.4 years until next milestone

First Submitted

Initial submission to the registry

September 14, 2025

Completed
10 days until next milestone

First Posted

Study publicly available on registry

September 24, 2025

Completed
Last Updated

September 24, 2025

Status Verified

September 1, 2025

Enrollment Period

3 months

First QC Date

September 14, 2025

Last Update Submit

September 18, 2025

Conditions

Outcome Measures

Primary Outcomes (8)

  • Inflammatory marker

    c-reactive protein (CRP),

    Participants data were performed in one day before beginning the 12 week intervention and one day after the last session

  • Inflammatory marker

    interleukin 1 beta (IL-1ß)

    Participants data were performed in one day before beginning the 12 week intervention and one day after the last session

  • Inflammatory marker

    tumor necrosis factor alpha (TNF-α)

    Participants data were performed in one day before beginning the 12 week intervention and one day after the last session

  • Inflammatory marker

    interleukin 6 (IL-6)

    Participants data were performed in one day before beginning the 12 week intervention and one day after the last session

  • Inflammatory marker

    interleukin 10 (IL-10)

    Participants data were performed in one day before beginning the 12 week intervention and one day after the last session

  • Oxidative stress

    thiobarbituric acid reactive substances (TBARS)

    Participants data were performed in one day before beginning the 12 week intervention and one day after the last session

  • Oxidative stress

    antioxidant enzymes catalase (CAT)

    Participants data were performed in one day before beginning the 12 week intervention and one day after the last session

  • Oxidative stress

    glutathione peroxidase (GPx)

    Participants data were performed in one day before beginning the 12 week intervention and one day after the last session

Study Arms (2)

CrossFit

EXPERIMENTAL

High intensity functional training

Behavioral: 12 week training

Resistance

EXPERIMENTAL

Periodized resistance training

Behavioral: 12 week training

Interventions

Anti-inflammatory and oxidative environment following 12-weeks of CF training by evaluating inflammatory markers and oxidative precursors in untrained participants

CrossFit

Eligibility Criteria

Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Participants must be non-smokers,
  • Participants should not suffer from respiratory issues
  • Participants should have healthy kidney and liver
  • Participants have no metabolic and neurological disorders

You may not qualify if:

  • The use of medications during the previous 4 weeks
  • Consumption of any product related to anti-inflammatory/oxidative supplements

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Institut Supérieur du Sport et de l'Education Physique de Ksar-Saïd

Aryanah, Ariana Governorate, 2073, Tunisia

Location

MeSH Terms

Conditions

Inflammation

Condition Hierarchy (Ancestors)

Pathologic ProcessesPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Doctor

Study Record Dates

First Submitted

September 14, 2025

First Posted

September 24, 2025

Study Start

November 8, 2021

Primary Completion

February 8, 2022

Study Completion

April 17, 2022

Last Updated

September 24, 2025

Record last verified: 2025-09

Locations