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New stretching combo could ease back pain by boosting flexibility

NCT ID NCT06888895

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether combining passive and active hamstring stretching improves flexibility more than passive stretching alone in people with chronic low back pain. Ninety adults with tight hamstrings will be randomly assigned to one of the two stretching groups. Flexibility, stiffness, and pelvic tilt are measured before and immediately after a single session. The goal is to find better rehabilitation strategies for managing low back pain.

What this could mean

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

Active substance
stretching exercises (passive and passive-active hamstring stretching)
What this could lead to
If successful, this could point toward a more effective stretching technique to improve flexibility and movement in people with chronic low back pain.
What could go wrong
This is a small, early-stage trial measuring immediate effects only. Results may not translate to long-term pain relief or apply to all back pain patients.

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 90 people

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

Started

Sep 2025

Expected to finish

Apr 2028

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 65 years

Sex

Anyone

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Male or female patients aged between 18 and 65 years * Suffering from low-back pain for at least 3 months * Presenting with hamstring flexibility deficit (Straight Leg Raise \<85°, Fingertip-to-Floor distance \>5 cm) Exclusion Criteria: * Patients with radicular pain * Disc inflammation (MODIC Type 1) * Other relevant pathologies (neurological, cardiovascular, respiratory, or oncological diseases) * Significant surgical history (e.g., lumbar arthrodesis, knee or hip arthroplasty) * Pregnancy or breastfeeding * Patients under protective legal measures

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As listed by the trial registrant

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

How to take part

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

  1. The places running it

    2 sites. 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

  • CHU de Clermont-Ferrand

    RECRUITING

    Clermont-Ferrand, 63000, France

  • Clermont Ferrand Univbersity HOspital, Louise Michel site

    RECRUITING

    Cébazat, France, 63118, France

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