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Could a zappy headband ease your Jumper's knee?

NCT ID NCT06729437

Symptom relief Sponsor: University of Valencia Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tests whether a gentle brain stimulation technique called tDCS, applied before eccentric knee exercises, can improve pain and function more than exercise alone in people with patellar tendinopathy (jumper's knee). Forty-two adults with chronic knee pain will be randomly assigned to receive either real or sham tDCS during 8 weeks of exercise. Researchers will track pain, knee function, muscle activity, and quality of life over 12 weeks.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
transcranial direct current stimulation (tDCS)
What this could lead to
If it works, this could offer a new, non-invasive way to reduce pain and improve knee function for people with chronic patellar tendinopathy.
What could go wrong
This is a small, early-stage trial with only 42 participants, so results may not apply widely. The effect of tDCS is often modest, and the sham group also gets exercise, which may already help.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 42 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jul 2024

Expected to finish

Jul 2027

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 50 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Age between 18 and 50 years. * Diagnosis of patellar tendinopathy (VISA-P score of 80 or lower). * Pain lasting more than 3 months. Exclusion Criteria: * Previous knee surgery. * Corticosteroid injection in the previous 6 weeks. * Systemic inflammatory, autoimmune, or rheumatic diseases. * Cognitive or behavioural issues that hinder comprehension and adherence to the intervention. * Any neurological disease. * Neoplastic disease. * Subjects presenting contraindications for tDCS (Thair et al., 2017), including: personal and family history of epilepsy, metallic implants in the head, implanted medication pump, pacemaker, recurrent headaches, skin conditions (psoriasis, eczema), or major head surgeries, pregnancy, heart diseases, and various medications (psychotropic or antihistamines). * Subjects must not have undergone pharmacological treatment or knee physical rehabilitation programs for a period of 1 year.

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Conditions

The condition(s) this trial relates to.

patellar tendinitis

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Patellar tendinopathy

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Faculty of Physiotherapy, University of Valencia

    RECRUITING

    Valencia, Valencia, 46022, Spain

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