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Ear seeds may ease C-Section pain without drugs

NCT ID NCT07322601

Symptom relief Sponsor: University of Medicine and Pharmacy at Ho Chi Minh City 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether placing small seeds on specific ear points (auricular acupressure) can reduce pain after a cesarean section. Seventy women were randomly assigned to receive either real acupressure or a sham (fake) version. Their pain levels and use of painkillers were tracked for 48 hours after surgery. The goal was to see if this simple, non-invasive technique could help manage post-surgical pain.

What this could mean

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

Active substance
auricular acupressure (vaccaria seeds applied to ear points)
What this could lead to
If it works, this could offer a simple, drug-free way to ease pain after C-section and reduce the need for painkillers.
What could go wrong
This is a small, single study. The effect may be small or due to a placebo effect, and results may not apply to all women or settings.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

70 people

The number who actually took part.

Started

Oct 2024

Finished

Jun 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.

Ages

18 to 40 years

Sex

Female participants only

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: * 18-40 years of age * Gestational age ≥ 37 weeks * Alert and cooperative with the treating physicians * Able to understand and use the Visual Analog Scale (VAS) * Preoperative American Society of Anesthesiologists (ASA) Physical Status Classification System I-II * Anesthesia: spinal anesthesia; * Pfannenstiel suprapubic transverse incision * Infant 5-minute Appearance, Pulse, Grimace, Activity, Respiration score (Apgar score) \> 7 * Cesarean operative time ≤ 60 minutes * Singleton pregnancy * Voluntary agreement to participate. Exclusion Criteria: * Contraindication to diclofenac * Surgical complications, including hysterectomy and postpartum hemorrhage (\> 1000 ml) * History of acupuncture syncope * Preoperative chronic pain and/or regular preoperative use of analgesics * Addiction to or dependence on opioids or alcohol * Diabetes mellitus or HIV infection * Prior Auricular acupressure * Skin lesions of the auricle * Surgical wound infection

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Conditions

The condition(s) this trial relates to.

Pain Pain, Postoperative

As listed by the trial registrant

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

Caesarean section; pain Pain, postoperative

Contacts and locations

Locations

  • Le Van Thinh Hospital

    Ho Chi Minh City, Binh Trung Ward, Vietnam

More trials for these conditions

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