Condition
Letrozole clinical trials and research
As of November 12, 2026, Find a Trial lists 3 Letrozole clinical trials that are recruiting, at sites in 2 countries (most in Vietnam (2), China (1)). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 2Countries
Newest Letrozole clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Letrozole plus clomiphene versus letrozole alone to help ovulate | — | Ho Chi Minh City, Ho Chi Minh City | Recruiting | Apr 18, 2025 |
| Comparing letrozole and artificial cycles for preparing the uterus in women with irregular periods | — | Ho Chi Minh City, Ho Chi Minh City and 1 other locations | Recruiting | Apr 17, 2024 |
| Letrozole preparation for frozen embryo transfer | — | Shanghai | Recruiting | Aug 23, 2023 |
All recruiting trials (3)
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Letrozole plus clomiphene versus letrozole alone to help ovulate
This trial will test whether adding clomiphene citrate to letrozole helps women with WHO II/IV ovulatory disorders have more live births after ovulation induction.
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Comparing letrozole and artificial cycles for preparing the uterus in women with irregular periods
This study is testing if using letrozole to prepare the uterus can help women with irregular periods have more successful pregnancies after freezing and transferring embryos compared to using an artificial hormone cycle.
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Letrozole preparation for frozen embryo transfer
This study tests if using letrozole to prepare the uterus helps women have better pregnancy outcomes after frozen embryo transfers compared to other methods.
Related topics
Quick answers
How many Letrozole clinical trials are recruiting right now?
3, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 2 countries. The most sites are in Vietnam (2 trials), China (1 trial). Each study page lists its sites and which ones are recruiting.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.