Trial · NCT02912988
Letrozole in Stimulated IVF Cycles
NCT02912988, Phase 3, Completed, The University of Hong Kong
3 sourcestrials-2026-11-12-0.5.0
Cite this record
ConductScience Library. Letrozole in Stimulated IVF Cycles. Trials, record NCT02912988. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT02912988
On this page
Trial
As registered on ClinicalTrials.gov, in the graph's capture of the registry.
- Title
- Letrozole in Stimulated IVF Cycles
- NCT number
- NCT02912988
- Status
- Completed
- Phases
- Phase 3
- Enrollment
- 900 participants, actual
- Lead sponsor
- The University of Hong Kong
- Conditions
- Subfertility
- Interventions
- Letrozole
- First posted
- 2016-09-23
- Last updated
- 2023-05-10
Source ClinicalTrials.gov
Registered outcomes20
Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.
| List | Outcome | Time frame | Description |
|---|---|---|---|
| Primary | Live birth rate | through study completion, an average of 1 year | A baby born alive after 20 weeks gestation |
| Secondary | Miscarriage rate | up to 20 weeks of gestation | Miscarriage before 20 weeks gestation |
| Secondary | Clinical and ongoing pregnancy rates | up to 20 weeks | Presence of at least one gestational sac on ultrasound at 6 weeks and 8-10 weeks |
| Secondary | Ovarian hyperstimulation rate | about 1 month | Ovarian hyperstimulation rate classified according to Royal College of Obstetrics and Gynaecology of the United Kingdom |
| Secondary | Total IU of FSH used per cycle | about 2 weeks | Total IU of FSH used per cycle |
| Secondary | Number of follicles > 12 mm on day of hCG (or the day before) | about 2 weeks | Transvaginal ultrasound performed to measure and the follicles on day of hcG or the day before. |
| Secondary | Number of oocytes obtained | On the operation day of transvaginal ultrasound guided oocyte retrieval | Number of oocyte obtained during the operation of transvaginal ultrasound guided oocyte retrieval |
| Secondary | Proportion of oocytes resulting in top quality day 2 (or day 3) embryos according to validated morphological criteria. | 2-3 days after the transvaginal ultrasound guided oocyte retrieval operation | Proportion of oocytes resulting in top quality day 2 (or day 3) embryos according to validated morphological criteria. |
| Secondary | Oocyte fertilization rate | 2-3 days after the transvaginal ultrasound guided oocyte retrieval operation | Oocyte fertilization rate |
| Secondary | Number and quality of embryos obtained | 2-3 days after the transvaginal ultrasound guided oocyte retrieval operation | Number and quality of embryos obtained |
1 to 10 of 20Source ClinicalTrials.gov
See all 20 registered outcomesOutcomes0
Each outcome the trial posted results for, in ClinicalTrials.gov's words.
None in this release.
Results by group0
Each measurement the trial posted, group by group, in the words and numbers it posted.
None in this release.
Participant flow0
How many started, completed or left each group, period by period.
None in this release.
Adverse events0
Each adverse event the trial posted, group by group: the participants affected out of those at risk.
None in this release.
Adverse event totals0
The totals the trial posted for each group.
None in this release.
Papers1
The papers the trial lists on ClinicalTrials.gov.
| PMID | Listed as |
|---|---|
| 35365197 | DERIVED |
Source PubMed
Grants0
The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.
None in this release.
Trial comparisons0
Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.
None in this release.
Tests0
The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.
None in this release.
Data dates
The day each source was copied for this release.
Sources 3
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
- NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
- NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.
For software
Read this trial from software.
The record and each of its lists are JSON, twenty rows a page. No key.
GET https://conductscience.org/api/trials/v1/NCT02912988
GET https://conductscience.org/api/trials/v1/NCT02912988/registered