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Comparison of Impar Ganglion Block and Sacral Erector Spinae Plane Block in Patients with Coccygodynia

NCT06858917 · Status: RECRUITING · Phase: NA · Type: INTERVENTIONAL · Enrollment: 130

Last updated 2025-03-24

No results posted yet for this study

Summary

Coccygodynia is a condition that causes pain in the tailbone (coccyx) area. While it can develop after trauma, such as a fall or fracture, in some cases, no clear cause is identified. Patients who do not experience relief from standard treatments like pain medications, physical therapy, and posture adjustments may be referred to specialized pain management clinics for further treatment options.

Several interventional procedures can help manage coccygodynia. These include impar ganglion block, radiofrequency ablation, caudal epidural steroid injections, sacral erector spinae plane (ESP) block, and coccygeal nerve blocks. These procedures are commonly performed in pain treatment centers and aim to reduce discomfort by targeting specific nerves responsible for transmitting pain signals.

Impar ganglion block is one of the most frequently used treatments for coccygodynia. It involves injecting a local anesthetic, with or without steroids, into a small nerve cluster in front of the sacrococcygeal joint. This procedure is performed under ultrasound and/or fluoroscopic (X-ray) guidance in a sterile operating room setting to ensure accuracy and safety. While the goal is to relieve pain, potential risks include temporary worsening of pain, bleeding, infection, or, in rare cases, rectal injury.

Another interventional option is the sacral erector spinae plane (ESP) block, a technique that delivers local anesthetic under the erector spinae muscles in the sacrum. This procedure, also performed under ultrasound guidance in a sterile environment, is used to block pain signals from the coccyx and surrounding areas. Like the impar ganglion block, it can be effective for pain relief, but possible side effects include temporary pain increase, bleeding, and infection at the injection site.

Both procedures are minimally invasive.

Conditions

  • Coccygodynia
  • Coccydynia

Interventions

PROCEDURE

Ganglion Impar Block

Block of the ganglion impar is performed by injecting a mixture of steroid and local anaesthetic in front of the sacrococcygeal joint. This procedure is performed in a sterile operating theatre under ultrasound and/or fluoroscopic (X-ray) guidance. Radiopaque agents are also used during the procedure to confirm the location.

PROCEDURE

Sacral Erector Spinae Plane Block

The sacral erector spina plan block is performed with ultrasound guidance by injecting a high volume mixture of local anaesthetic and steroid into the fascia under the erector spina muscles in the sacral region.

Sponsors & Collaborators

  • Başakşehir Çam & Sakura City Hospital

    lead OTHER_GOV

Principal Investigators

  • Tuba Tanyel Saraçoğlu · Başakşehir Çam & Sakura City Hospital

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
65 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2025-03-15
Primary Completion
2025-08-15
Completion
2025-10-15

Countries

  • Turkey (Türkiye)

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06858917 on ClinicalTrials.gov