Anatomical Measurements of Pudendal Nerve Block in Children

Starting soon

Conditions studied: Postoperative Pain Management, Penile Surgery-Related Pain

In brief

This prospective observational study aims to investigate the relationship between anatomical parameters-specifically the distance from the anus to the needle insertion point and the depth required to reach the pudendal nerve-during neurostimulation-guided pudendal nerve block and patients' age, height, and weight in children undergoing penile surgery.

Key facts

Study ID

NCT07348029

Run by

Istanbul University - Cerrahpasa

People needed

50

Starts

2026-01-20

Expected to finish

2026-06-10

Last updated by the study team

2026-01-16

Who can join

Age: 1 and older, up to 18. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Children aged 1-18 years
• Scheduled for penile surgery (e.g., hypospadias, phimosis)
• Planned to receive neurostimulation-guided pudendal nerve block
• Patient and parents/legal guardians willing to participate under general anesthesia

You may not qualify if…

• Patients with incomplete measurement data
• Cases where successful nerve block cannot be performed or nerve stimulation is not detectable at currents ≥1.5 mA
• Patients or parents/legal guardians who refuse pudendal nerve block
• Patients with pelvic deformities or neuromuscular disorders

Where it is running

• Istanbul University-Cerrahpasa, Cerrahpasa Medicine of Faculty — Bakırköy, Istanbul, Turkey (Türkiye)

Full record on ClinicalTrials.gov

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