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High altitude may raise headache risk after C-Section spinal

NCT ID NCT05804448

Knowledge-focused Sponsor: B.P. Koirala Institute of Health Sciences Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Updated 1 time

Summary

This study will follow 292 women having C-sections with spinal anesthesia to see if those living at high altitudes get more post-dural puncture headaches than those at low altitudes. Researchers will track headache severity and compare groups. The goal is to understand if altitude is a risk factor, which could help doctors prevent or manage these headaches better.

What this could mean

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

What this could lead to
If altitude is confirmed as a risk factor, doctors could tailor spinal anesthesia techniques or aftercare for women living at high altitudes.
What could go wrong
This is an observational study, not a treatment trial. It only looks for a link, so it won't directly change care. Results may not apply to all populations.

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

About 292 people

The number the study aims to enrol. It can still change while the study runs.

Started

Apr 2023

Expected to finish

Apr 2026

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

Parturients planned for elective and non-elective (category 2 \& 3) caesarean section under spinal anaesthesia.

Ages

18 years and older

Sex

Female participants only

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: * Parturient, aged more than or equal to 18 years * American society of Anesthesiologist 2 and 3 * Scheduled for elective and non-elective (category 2 \& 3) caesarean delivery with spinal anesthesia * Native to their resident altitude i.e., those born, raised, and have continuously lived at the same altitude, at least for the past 1 year. Exclusion Criteria: * Hypertensive disorder * Cerebrovascular disease * Mental disorder (schizophrenia and other psychotic disorders) * Known fetal anomalies * Contraindication to spinal anaesthesia. * Those requiring general anaesthesia for delivery due to failed spinal anesthesia * Major post-delivery complications (severe haemorrhage, sepsis, or ICU admission) * Those who migrate from their resident altitude (either low to high or vice versa) within 7 days post-delivery will also be excluded.

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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

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    2 sites. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • BP Koirala Institute of Health Sciences (BPKIHS)

    RECRUITING

    Dharān, Koshi, 56700, Nepal

  • Karnali Academy of Health Sciences

    RECRUITING

    Jumla, Karnali, 2069, Nepal

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