New injection could ease sudden back pain in days
NCT ID NCT06511765
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether an injection of numbing medicine and steroids into the back muscles can quickly relieve sudden low back pain. About 40 adults with pain lasting less than a week will receive either the injection or a placebo. The goal is to see if the treatment reduces pain during activity over the first four days.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 40 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2026
- Expected to finish
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Oct 2026
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 years and older
- 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: 1. Patient with lumbago lasting less than 7 days despite analgesic / NSAID treatment. 2. Patient with NS pain \> 6 3. Patient with Oswestry score \> or equal to 30 4. Patient informed of the trial and having signed the informed consent form prior to any trial-specific procedure, 5. Patient willing and able to undergo all planned examinations and procedures in compliance with the clinical trial protocol, 6. Patient affiliated to a social security or any health insurance. Exclusion Criteria: 1. Presence of "red flag" (non-disc lumbago): * Motor deficit or signs of horsetail irritation * Inflammatory pain waking up in the 2nd half of the night * Tumoral context * Infectious context or fever * Altered general condition * Traumatic context * Osteoporotic context 2. Risk of infection 3. Patient with poor local skin condition 4. Patient on AVK or anti-Xa anticoagulation, or bleeding disorder (antiaggregants authorized) 5. Patients with hypersensitivity to Ropivacaine or any of its excipients: Sodium chloride, hydrochloric acid sodium hydroxide 6. Patient with sciatica 7. Patient with chronic respiratory insufficiency 8. Patient with cardiac rhythm disorders 9. Pregnant or breastfeeding woman or woman refusing effective contraception 10. Patient deprived of liberty or under legal protection (guardianship or curator) 11. Patient participating in another clinical research protocol involving a drug or medical device 12. Patient unable to follow the protocol, as judged by the investigator 13. Patient refusing to participate in the study
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Conditions
The condition(s) this trial relates to.
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
1 site. 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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Santé Atlantique ELSAN
RECRUITINGSaint-Herblain, 44800, France
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