New formula aims to improve drug safety in pregnant transplant patients
NCT ID NCT07422012
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study will develop a formula to more accurately measure active tacrolimus levels in pregnant women who have had a uterus transplant. Tacrolimus is an immunosuppressant drug that prevents organ rejection, but pregnancy changes how the body processes it. Researchers will analyze blood samples from 55 participants to create a model that adjusts for these changes, potentially leading to safer dosing.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- tacrolimus
- What this could lead to
- If successful, this could lead to safer and more effective tacrolimus dosing during pregnancy for uterus transplant recipients.
- What could go wrong
- This is an early modeling study, not a treatment trial. The formula may not improve outcomes or may be too complex for routine use.
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
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About 55 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2028
An estimate. End dates often move.
- Lead sponsor
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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.
Who is studied
Uterus transplant recipient over 18 years of age receiving tacrolimus for immunosuppression.
- Ages
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18 to 50 years
- Sex
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Female participants only
Show the full entry requirements Hide 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: * Uterus transplant recipient * 18 to 50 years of age * receiving tacrolimus for immunosuppression. Exclusion Criteria: * Individuals who have not had a uterine transplant * individuals over 50 years old
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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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
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Baylor University Center of Dallas
Dallas, Texas, 75246, United States