Needle or gel? new study tests better way to boost IVF success

NCT ID NCT04549116

Ongoing Disease control Sponsor: IBSA Institut Biochimique SA Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jul 17, 2026 · Updated 2 times

Summary

This study tests whether a progesterone shot under the skin works as well as a vaginal gel for supporting early pregnancy after a frozen embryo transfer. About 688 women aged 35 to 42 with infertility will take part. The goal is to see which method leads to more successful pregnancies.

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Conditions

The condition(s) this trial relates to.

infertility disorder

As listed by the trial registrant

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

INFERTILITY

Contacts and locations

Locations

Aspire Houston Fertility Institute

Houston, Texas, 77063, United States
Care Fertility

Bedford, Texas, 76022, United States
Carolina Conceptions

Raleigh, North Carolina, 27607, United States
Center of Reproductive Medicine, LLC., Shady Grove Fertility

Webster, Texas, 77598, United States
HRC Fertility

Encino, California, 91436, United States
IVF Florida Reproductive Associates

Margate, Florida, 33063, United States
Illume Fertility

Norwalk, Connecticut, 06851, United States
InVia Fertility Specialists, PLLP

Hoffman Estates, Illinois, 60169, United States
Institute for Reproductive Health

Cincinnati, Ohio, 45209, United States
Johns Hopkins Fertility Center

Lutherville, Maryland, 21093, United States
Kindbody

Los Angeles, California, 90067, United States
Main Line Fertility

Bryn Mawr, Pennsylvania, 19010, United States
Reproductive Associates of Delaware

Newark, Delaware, 19713, United States
Reproductive Endocrinology Associates of Charlotte

Charlotte, North Carolina, 28207, United States
San Diego Fertility

San Diego, California, 92130, United States
Shady Grove Fertility

Rockville, Maryland, 20850, United States
Shady Grove Fertility

Chesterbrook, Pennsylvania, 19087, United States
Spring Fertility

San Francisco, California, 94109, United States
The Fertility Treatment Center, LLC

Tempe, Arizona, 85284, United States
The IVF Center

Winter Park, Florida, 32792, United States
University Reproductive Associates, PC

Hasbrouck Heights, New Jersey, 07604, United States
University of Cincinnati Physicians Company

Cincinnati, Ohio, 45209, United States
Utah Fertility Center, PC

Pleasant Grove, Utah, 84062, United States
Women's Medical Research Group, LLC

Clearwater, Florida, 33759, United States

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