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Light therapy may ease IUD insertion pain

NCT ID NCT06984796

Symptom relief Sponsor: University of Nove de Julho 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jul 30, 2026 · Updated 2 times

Summary

This study tests if shining a special light (photobiomodulation) on the cervix before inserting a copper IUD can reduce pain. 72 women will receive either real or fake light treatment, and their pain levels will be compared. The goal is to make IUD insertion more comfortable and encourage more women to use this effective birth control.

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

About 72 people

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

Started

Mar 2026

Expected to finish

Oct 2027

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.

Ages

18 to 50 years

Sex

Female participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Women aged 18-50 years, * Female, * No preference regarding race or socioeconomic status, * Nulliparous or multiparous. Exclusion Criteria: * Known or suspected pregnancy, * Diagnosed with chronic pain, * Active local infection, * Use of any pain medication in the last 12 hours, * Known contraindication for IUD insertion, including significant uterine cavity distortion, active pelvic inflammatory disease, or Wilson's disease, * Allergy to copper, * Unexplained abnormal uterine bleeding, * Any condition affecting the lumbar region, such as active neoplasms, established osteomyelitis, or any pre-existing deep tissue lesions with necrosis or infection, * History of photosensitivity.

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Conditions

The condition(s) this trial relates to.

Pain

As listed by the trial registrant

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

Pain

How to take part

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

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    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

  • Nove de Julho University (UNINOVE)

    São Paulo, 01504-001, Brazil

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