Clinical trial Recruiting at 1 site Interventional Ages 18 to 40

Eccentric training for rehabilitation after ACL surgery

Official title: Effects of Eccentric Training in the Rehabilitation of Patients Undergoing Anterior Cruciate Ligament Reconstruction: a Randomized Controlled Trial

Run by Federal University of Health Science of Porto Alegre · NCT06905691 · Data updated 2026-11-12

This study is testing if a special type of exercise called eccentric training helps people recover better after ACL surgery compared to regular rehab exercises.

Quick facts

Study typeInterventional
Ages18 Years to 40 Years
SexAll
Enrollment34 (estimated)
SponsorFederal University of Health Science of Porto Alegre
Academic / other
Locations2 sites (Veranópolis, Rio Grande do Sul and 1 other locations)
StatusRecruiting
StartedMarch 1, 2025
Main results expectedSeptember 2026
Study endsDecember 2026
Registry record updatedApril 24, 2025
Trial IDNCT06905691 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals aged 18 to 40 scheduled for ACL reconstruction surgery.

Probably not a fit

Patients who experience delays in starting rehabilitation or have additional injuries affecting weight-bearing may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the effects of eccentric training on the rehabilitation of patients who have undergone Anterior Cruciate Ligament Reconstruction (ACL-R). A total of thirty-four participants will be randomly assigned to either a Conventional Training Group or an Eccentric Training Group, both following a structured rehabilitation program starting in the first week post-surgery. The key difference lies in the exercise regimen, where the Eccentric Training Group will focus on eccentric movements while the Conventional Training Group will perform standard exercises. Assessments will be conducted at three intervals to evaluate the effectiveness of the training approaches.

Why it matters

Potential benefit: If successful, this study could enhance rehabilitation outcomes and speed up recovery for patients undergoing ACL reconstruction.

How similar studies have gone: Previous studies have shown positive outcomes with eccentric training in rehabilitation, suggesting potential for success in this approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

\- Individuals of both genders, aged between 18 and 40 years, scheduled for ACL reconstruction surgery during the data collection period.

Exclusion Criteria:

* Delay of more than 7 days after surgery to initiate the rehabilitation program proposed by the study;
* Presence of injuries related to the rupture of the ACL that hinder partial weight-bearing in the first week after surgery, either due to medical recommendation or the patient inability/disposition.

Where it's running

  • Private Rehabilitation Center
    Veranópolis, Rio Grande do Sul, Brazil
    Recruiting
  • Private Rehabilitation Center
    Veranópolis, Rio Grande do Sul, Brazil
    Not yet recruiting

Study contacts

Similar studies

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.