Analgesia boost from adding a sacral submultifidus block to SIJ injection
Official title: Analgesic Effect of Sacral Submultifidus Block as an Adjunct to Sacroiliac Joint Injection: A Randomized Controlled Double-Blind Trial
Run by Fayoum University Hospital · NCT07814729 · Data updated 2026-11-12
This study tests whether adding a sacral submultifidus block to a standard image-guided sacroiliac joint injection provides better pain relief and function for adults with chronic SIJ‑related pain.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 21 Years to 60 Years |
| Sex | All |
| Enrollment | 54 (estimated) |
| Sponsor | Fayoum University Hospital Academic / other |
| Locations | 1 site (Al Fayyum) |
| Status | Recruiting |
| Started | September 1, 2026 |
| Main results expected | March 1, 2027 |
| Study ends | April 1, 2027 |
| Registry record updated | September 25, 2026 |
| Trial ID | NCT07814729 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults 21 years or older with chronic SIJ pain (NPRS ≥5) and a positive diagnostic SIJ block (≥75% pain relief) who have failed conservative therapy and have no contraindications.
✕Probably not a fit
Some participants may not experience additional pain relief or functional improvement from the added sacral submultifidus block.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
Participants with chronic sacroiliac joint pain receive either the standard image-guided SIJ injection or the SIJ injection plus a sacral submultifidus block. The study compares analgesia and functional outcomes between the two approaches. The SIJ pain mechanism and innervation are reviewed, and eligibility requires persistent pain, positive provocative tests, and a diagnostic SIJ block response. Exclusion criteria include allergy to anesthetics, coagulation disorders, opioid abuse, and pregnancy. The study is conducted at Fayoum University Hospital in Egypt and aims to determine if the added block yields superior relief beyond SIJ injection alone.
Why it matters
Potential benefit: If successful, patients could experience greater and longer-lasting pain relief and improved function with the combination procedure.
How similar studies have gone: Prior SIJ injections show modest benefits with variability; this combination approach is being explored to enhance efficacy.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: 1-patients aged above 21 years, both genders diagnosed with chronic sacroiliac joint pain with a rating on the numeric pain rating scale (NPRS) of at least 5, without radiculopathy lasting 3 months or longer, and Positive SI provocative tests: usually \> 3 positive tests ... 2-Failure of conservative therapy .3-Radiological exclusion of lumbar pathology. 4- Diagnostic SIJ block producing ≥75% pain relief. Exclusion Criteria: * 1\. refusal to participate. 2. Allergy or contraindication to local anesthetics. 3. Coagulation disorders or ongoing anticoagulant therapy. 4. Infection at the block injection site. 5. Chronic opioid use or substance abuse. 6. Neurological or psychiatric disorders affecting pain assessment. 7. Pregnancy.
Where it's running
-
Fayoum university Hospitl
Al Fayyum, Egypt Recruiting
Study contacts
- Study coordinator: Amira Emad Amin, MBBCH
- Email: aee14@fayoum.edu.eg
- Phone: +201002070389
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.