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Higher aspirin dose may boost IVF success, study finds

NCT ID NCT06128395

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 looked at whether taking 162 mg of aspirin is better than 81 mg for women undergoing frozen embryo transfer. Researchers reviewed records from 1,207 women under 40 to see if the higher dose led to more pregnancies. The goal was to find a simple way to improve fertility treatment outcomes.

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

1,207 people

The number who actually took part.

Started

Nov 2023

Finished

Sep 2024

Lead sponsor

A company

The lead sponsor is a pharmaceutical, biotech, or medical-device company.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

FET Data spreadsheet from January 2022 to December 2022

Ages

Up to 40 years

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: * Women taking aspirin 81 mg or 162 mg prior to an autologous embryo transfer * Age \< 40 years old * Embryo transfer cycle done at clinique ovo Exclusion Criteria: * Egg or embryo recipient * History of recurrent miscarriages, defined as ≥ 3 consecutive losses * Patients that needed Viagra, PRP or other modalities to improve their endometrial thickness * Uterine factor infertility * Abnormal hormonal profiles * Stimulated embryo transfer cycles * History of recurrent implantation failure defined as failed ≥ 2 euploid embryos transfer or ≥ 3 blastocysts

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Clinique Ovo

    Montreal, Quebec, H4P 2S4, Canada

More trials for these conditions

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