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Tailbone pain relief: does adding a steroid injection help?

NCT ID NCT07200765

Symptom relief Sponsor: Mersin University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

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 Results may not be published yet.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

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looks at two treatments for long-term tailbone pain (coccydynia) that hasn't improved with basic care like cushions or physical therapy. Researchers will compare a nerve block alone versus the nerve block plus a steroid injection into the lower back. They will check if the combination provides better pain relief after 6 months in 56 adults.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
ganglion impar block and caudal epidural steroid injection
What this could lead to
If the combination works better, it could offer a more effective, non-surgical option for people with stubborn tailbone pain.
What could go wrong
This is a small, retrospective study (56 people) that looks back at medical records, not a controlled trial. Results may not apply to everyone, and the added steroid injection carries small risks like infection or nerve irritation.

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.

Participants

56 people

The number who actually took part.

Started

Jan 2020

Expected to finish

Nov 2025

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.

Who is studied

The study population consisted of adults with chronic coccydynia who received either a ganglion impar block (GIB) alone or a combined with caudal epidural steroid injection as part of routine clinical care at the Algology Clinic of Mersin University Hospital between January 1, 2020, and May 20, 2025. Patients were not assigned to treatments by protocol; intervention choice reflected clinician judgment and patient characteristics. Outcomes (e.g., NRS-11 pain scores) were abstracted from medical records at baseline and follow-up.

Ages

18 years and older

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: * Age ≥18 years * Chronic coccydynia \>3 months * Inadequate response to conservative treatments * Written informed consent documented for the procedure (per records) Exclusion Criteria: * Active infection on the injection date. * History of lumbar or coccygeal surgery * Allergy to local anesthetics or contrast media * Coagulopathy / anticoagulant therapy contraindicating the procedure * Inadequate follow-up documentation * Injection performed to a different region during the indexed procedure

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Conditions

The condition(s) this trial relates to.

coccygodynia

As listed by the trial registrant

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

Caudal epidural block Coccydynia Coccygodynia

Contacts and locations

Locations

  • Mersin University Faculty of Medicine, Department of Algology

    Mersin, Mersin, 33110, Turkey (Türkiye)

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