New stretching combo could ease back pain by boosting flexibility
NCT ID NCT06888895
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
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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
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About 90 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Sep 2025
- Expected to finish
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Apr 2028
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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.
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The places running it
2 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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CHU de Clermont-Ferrand
RECRUITINGClermont-Ferrand, 63000, France
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Clermont Ferrand Univbersity HOspital, Louise Michel site
RECRUITINGCébazat, France, 63118, France
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