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Trial · NCT03740737

Registered outcomes69

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
PrimaryCumulative Ongoing Pregnancy Rate After the Fresh Cycle and Cryopreserved Cycles Initiated Within 12 Months From the Start of COS8-9 weeks after transfer (up to approximately 16 months after start of stimulation)Defined as at least one intrauterine viable fetus 8-9 weeks after transfer. Data in this endpoint are presented for the fresh cycle and the cryopreserved cycles.
SecondaryOngoing Pregnancy Rate in the Fresh Cycle and in the Cryopreserved Cycles8-9 weeks after transfer (up to approximately 16 months after start of stimulation)Defined as at least one intrauterine viable fetus 8-9 weeks after transfer. Data in this endpoint are presented for the fresh cycle and the cryopreserved cycles.
SecondaryTime From Start of COS to Ongoing Pregnancy Across the Fresh and Cryopreserved Cycles8-9 weeks after transfer (up to approximately 16 months after start of stimulation)
Time from start of COS to ongoing pregnancy, including both the fresh and cryopreserved cycles. In the placebo group, no participants achieved an ongoing pregnancy either after 12 calendar months or after 12 study months.
SecondaryTime From Start of COS to Ongoing Pregnancy Across the Fresh and Cryopreserved Cycles, Measured in Number of Cycles Before Achieving Ongoing Pregnancy8-9 weeks after transfer (up to approximately 16 months after start of stimulation)
Time from start of COS to ongoing pregnancy, including both the fresh and cryopreserved cycles, measured in number of cycles before achieving ongoing pregnancy. In the placebo group, no participants achieved an ongoing pregnancy either after 12 calendar months or after 12 study months.
SecondaryOngoing Implantation Rate in the Fresh Cycle, the Cryopreserved Cycles and Cumulatively8-9 weeks after transfer (up to approximately 16 months after start of stimulation)
Defined as the number of intrauterine viable fetuses 8-9 weeks after transfer divided by number of blastocysts transferred. Data in this endpoint are presented for the fresh cycle, the cryopreserved cycles, and all cycles. One participant can contribute with a range from zero to multiple blastocysts. Data is not shown for placebo arm because no blastocyst transfer was performed in the fresh cycle or cryopreserved cycles. '%' in the unit of measure refers to 'percentage'.
SecondaryClinical Pregnancy Rate in the Fresh Cycle, the Cryopreserved Cycles and Cumulatively5-6 weeks after transfer (up to approximately 15 months after start of stimulation)Defined at least one gestational sac 5-6 weeks after transfer. Data in this endpoint are presented for the fresh cycle, the cryopreserved cycles, and all cycles.
SecondaryVital Pregnancy Rate in the Fresh Cycle, the Cryopreserved Cycles and Cumulatively5-6 weeks after transfer (up to approximately 15 months after start of stimulation)Defined at least one intrauterine gestational sac with fetal heart beat 5-6 weeks after transfer. Data in this endpoint are presented for the fresh cycle, the cryopreserved cycles, and all cycles.
SecondaryImplantation Rate in the Fresh Cycle, the Cryopreserved Cycles and Cumulatively5-6 weeks after transfer (up to approximately 15 months after start of stimulation)
Defined as the number of gestational sacs 5-6 weeks after transfer divided by number of blastocysts transferred. Data in this endpoint are presented for the fresh cycle, the cryopreserved cycles, and all cycles. One participant can contribute with a range from zero to multiple blastocysts. Data is not shown for placebo arm because no subjects underwent blastocyst transfer in the fresh cycle or cryopreserved cycles. '%' in the unit of measure refers to 'percentage'.
SecondaryPositive Beta Human Chorionic Gonadotropin (βhCG) Rate in the Fresh Cycle, the Cryopreserved Cycles and Cumulatively10-14 days after transfer (up to approximately 14 months after start of stimulation)Defined as positive serum βhCG test 10-14 days after transfer. Data in this endpoint are presented for the fresh cycle, the cryopreserved cycles, and all cycles.
SecondaryProportion of Subjects in the Fresh Cycle With Triggering of Final Follicular Maturation (hCG, With GnRH Agonist, and in Total), Cycle Cancellation and Transfer CancellationUp to 5 days after oocyte retrieval (up to 27 days after start of stimulation)Data in this endpoint are presented for the fresh cycle.
SecondaryNumber of Follicles on Stimulation Day 5On stimulation day 5The total number of follicles and the number of follicles per size category are presented
SecondaryNumber of Follicles at End-of-stimulationAt end-of-stimulation (up to 20 stimulation days)The total number of follicles and the number of follicles per size category is reported.
SecondarySize of Follicles on Stimulation Day 5On stimulation day 5Counted by ultrasound for the right and left ovary for each participant.
SecondarySize of Follicles at End-of-stimulationAt end-of-stimulation (up to 20 stimulation days)Counted by ultrasound for the right and left ovary for each participant.
SecondaryNumber of Oocytes RetrievedOn day of oocyte retrieval (up to 22 days after start of stimulation)The number of oocytes retrieved was recorded at the oocyte retrieval visit.
SecondaryProportion of Subjects With <4, 4-7, 8-14, 15-19 and ≥20 Oocytes RetrievedOn day of oocyte retrieval (up to 22 days after start of stimulation)Grouped according to the number of oocytes retrieved. Participants with cycle cancellation due to poor ovarian response are included in the \<4 oocytes group.
SecondaryNumber of Metaphase II OocytesOn day of oocyte retrieval (up to 22 days after start of stimulation)The number of MII oocytes to oocytes retrieved for participants where all oocytes were inseminated using ICSI are presented.
SecondaryNumber of Fertilized OocytesOn day 1 after oocyte retrieval (up to 23 days after start of stimulation)An oocyte was defined as fertilized if it had 2 pronuclei (2PN) at 19h (±2h).
SecondaryFertilization RateOn day 1 after oocyte retrieval (up to 23 days after start of stimulation)
The fertilization rate was defined as the number of 2PN oocytes divided by the number of oocytes retrieved. Fertilization rate relative to oocytes retrieved has been reported. Data is not shown for placebo arm because the mean number of fertilized oocytes was 0 in all subjects, since no subjects had oocytes retrieved or fertilized.
SecondaryNumber and Quality of Blastocysts on Day 5 After Oocyte RetrievalOn day 5 after oocyte retrieval
Number of blastocysts (total and good-quality) on Day 5 are presented. The quality evaluation of blastocysts consisted of assessment of three parameters, as per the Gardner \& Schoolcraft system: blastocyst expansion and hatching status (graded: 1-6), inner cell mass (graded: A-D) and trophectoderm (graded: A-D). A good-quality blastocyst was defined as a blastocyst of grade 3BB or higher.

Source ClinicalTrials.govtrials-2026-11-12-0.5.0

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.

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