NCT04722471

Brief Summary

This study aims to compare the efficacy, in terms of progesterone levels and clinical outcomes, of two different presentations of micronized vaginal progesterone (400 mg vs. 200 mg) used in endometrial preparation in artificial cycle (AC) for embryo transfer. This is a non-inferiority, retrospective case-control study, with at least 200 cycles analyzed (at least 100 per arm) and the primary outcome is the serum progesterone level on the day of the embryo transfer.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
347

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Mar 2021

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

January 21, 2021

Completed
4 days until next milestone

First Posted

Study publicly available on registry

January 25, 2021

Completed
1 month until next milestone

Study Start

First participant enrolled

March 3, 2021

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 3, 2021

Completed
14 days until next milestone

Study Completion

Last participant's last visit for all outcomes

March 17, 2021

Completed
Last Updated

March 19, 2021

Status Verified

March 1, 2021

Enrollment Period

Same day

First QC Date

January 21, 2021

Last Update Submit

March 17, 2021

Conditions

Keywords

Frozen embryo transferendometrial preparationartificial cycleprogesterone

Outcome Measures

Primary Outcomes (1)

  • Serum progesterone level

    On the day of embryo transfer

Secondary Outcomes (2)

  • Need for additional progesterone supplementation

    assessed on the day of the embryo transfer

  • Clinical results (ongoing pregnancy and miscarriage rate)

    assessed on the day of the pregnancy test and during the pregnancy evolution

Study Arms (2)

400 mg

Treatments where 400 mg tablet presentation of micronized vaginal progesterone was used, the protocol being one vaginal tablet twice a day.

Drug: Vaginally administered progesterone

200 mg

Treatments where 200 mg tablet presentation of micronized vaginal progesterone was used, the protocol being two vaginal tablets twice a day.

Drug: Vaginally administered progesterone

Interventions

The artificial endometrial preparation for an embryo transfer with the use of 400 mg vaginal tablet (one tablet twice a day) or 200 mg (two tablets twice a day)

200 mg400 mg

Eligibility Criteria

Age18 Years - 50 Years
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64)
Sampling MethodNon-Probability Sample
Study Population

The population will be selected among those patients who have undergone embryo transfer treatment with endometrial preparation in a artificial cycle at the Instituto Bernabeu.

You may qualify if:

  • Patients with primary or secondary infertility undergoing endometrial preparation for an embryo transfer using standard doses of oral or transdermal estrogens.
  • Age between 18 and 50 years.
  • Normal uterine cavity verified by imaging techniques.
  • Serum progesterone documented on the day of embryo transfer.

You may not qualify if:

  • Patients with a history of endometritis.
  • Patients diagnosed with Asherman's syndrome.
  • Patients with a different supplementation regimen or doses than those of the study groups.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Instituto Bernabeu

Alicante, Valencia, 03016, Spain

Location

Related Publications (2)

  • Labarta E, Mariani G, Holtmann N, Celada P, Remohi J, Bosch E. Low serum progesterone on the day of embryo transfer is associated with a diminished ongoing pregnancy rate in oocyte donation cycles after artificial endometrial preparation: a prospective study. Hum Reprod. 2017 Dec 1;32(12):2437-2442. doi: 10.1093/humrep/dex316.

  • Labarta E, Mariani G, Paolelli S, Rodriguez-Varela C, Vidal C, Giles J, Bellver J, Cruz F, Marzal A, Celada P, Olmo I, Alama P, Remohi J, Bosch E. Impact of low serum progesterone levels on the day of embryo transfer on pregnancy outcome: a prospective cohort study in artificial cycles with vaginal progesterone. Hum Reprod. 2021 Feb 18;36(3):683-692. doi: 10.1093/humrep/deaa322.

Study Officials

  • Joaquín Llácer, MD PhD

    Instituto Bernabeu

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

January 21, 2021

First Posted

January 25, 2021

Study Start

March 3, 2021

Primary Completion

March 3, 2021

Study Completion

March 17, 2021

Last Updated

March 19, 2021

Record last verified: 2021-03

Data Sharing

IPD Sharing
Will not share

The information collected in the study will always be treated as grouped data and never as individual or personal data, thus maintaining anonymity and confidentiality.

Locations