Inside or around the joint? study tests which injection eases low back pain

NCT ID NCT07832864

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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

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Status unknown
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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

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.

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Nov 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 70 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: * 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.

Low Back Pain

As listed by the trial registrant

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

How to take part

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  1. The official record

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