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Needle size linked to headache severity in spinal anesthesia study

NCT ID NCT06957899

Knowledge-focused Sponsor: Konya City Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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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
Running, but no longer taking on new participants.
Completed This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at 40 adults who developed a headache after spinal anesthesia. Researchers used ultrasound to measure changes in the eye's optic nerve sheath, which can indicate brain pressure. They wanted to see if the size of the needle used for the anesthesia was related to the headache severity and these eye measurements. The goal is to better understand and possibly prevent these headaches in the future.

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

40 people

The number who actually took part.

Started

Jul 2025

Finished

Dec 2025

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 consists of adult patients aged 18 to 75 years who develop post-dural puncture headache (PDPH) following spinal anesthesia. All participants are evaluated and monitored at a tertiary care center and are classified as ASA physical status I to III.

Ages

18 to 75 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: * Patients diagnosed with postdural puncture headache (PDPH) * Male and female patients aged 18-75 years * Patients classified as American Society of Anesthesiologists (ASA) physical status I-III Exclusion Criteria: * Presence of neurological or ophthalmological disorders * History of head trauma within the past 6 months * Hypertension * Hepatic encephalopathy * Renal failure * Pregnancy * History of chronic headache or migraine * Refusal to participate * Inability to obtain reliable optic nerve sheath diameter (ONSD) measurements * Communication difficulties preventing assessment * Incomplete or inaccessible medical records

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Conditions

The condition(s) this trial relates to.

intracranial hypotension Post-Dural Puncture Headache

As listed by the trial registrant

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

Post-dural puncture headache

Contacts and locations

Locations

  • Konya City Hospital

    Meram, Konya, 42020, Turkey (Türkiye)

More trials for these conditions

Other studies related to the condition(s) this trial covers.