Inside or around the joint? study tests which injection eases low back pain
NCT ID NCT07832864
First seen Sep 22, 2026 · Last updated Sep 23, 2026 · Updated 1 time
Summary
Sacroiliac joint pain is a common cause of chronic low back pain. When physical therapy and painkillers fail, doctors often inject steroids and a numbing drug using X-ray guidance, but they do not know whether placing the shot inside the joint or around it works better. This trial randomly assigns 90 adults with chronic sacroiliac joint pain to one of the two injection methods. Researchers track pain scores and daily function for 8 weeks to see which approach brings more relief.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- a mix of the steroid methylprednisolone acetate and the local anesthetic bupivacaine, injected under fluoroscopy
- What this could lead to
- If one injection approach works better, doctors could target sacroiliac joint pain more precisely and give patients faster relief.
- What could go wrong
- This is a small, single-center study with 8 weeks of follow-up. Injections may not help everyone, and steroid shots carry small risks like temporary soreness, infection, or rising blood sugar.
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.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Nov 2027
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 70 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: * Adult patients aged 18 to 70 years * Clinical diagnosis of sacroiliac joint (SIJ) pain confirmed by at least 3 positive provocation tests out of 5 (FABER, Gaenslen's, thigh thrust, compression, or distraction tests) * Chronic SIJ pain with a symptom duration of at least 3 months * Pain intensity score of at least 4 out of 10 on the Numeric Rating Scale (NRS ≥ 4/10) at enrollment * Failure of conservative management (physiotherapy and/or NSAIDs for at least 6 weeks) * Willingness and ability to provide written informed consent Exclusion Criteria: * Known coagulopathy or current anticoagulant therapy that cannot be safely bridged * Active local infection at the injection site or systemic infection * Known hypersensitivity or allergy to corticosteroids, local anesthetics, or contrast media * History of prior SIJ surgery or joint fusion * Previous sacroiliac joint injection within the last 3 months * Pregnancy or breastfeeding * Severe spinal or pelvic deformity preventing safe and accurate needle placement * Significant cognitive impairment precluding informed consent or reliable outcome reporting * Active malignancy involving the pelvis or sacrum
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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 official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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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.
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