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Trial · NCT03296527

Registered outcomes61

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

ListOutcomeTime frameDescription
PrimaryOngoing Pregnancy Rate10-11 weeks after transferDefined as at least one intrauterine viable fetus 10-11 weeks after transfer.
SecondaryPositive Beta Unit of Human Chorionic Gonadotropin (βhCG) Rate13-15 days after transferDefined as positive βhCG test 13-15 days after transfer.
SecondaryClinical Pregnancy Rate5-6 weeks after transferDefined as at least one gestational sac 5-6 weeks after transfer.
SecondaryVital Pregnancy Rate5-6 weeks after transferDefined as at least one intrauterine gestational sac with fetal heart beat 5-6 weeks after transfer.
SecondaryImplantation Rate5-6 weeks after transferDefined as number of gestational sacs 5-6 weeks after transfer divided by number of embryos transferred.
SecondaryOngoing Implantation Rate10-11 weeks after transferDefined as number of intrauterine viable fetuses 10-11 weeks after transfer divided by number of embryos transferred.
SecondaryProportion of Subjects With Extreme Ovarian ResponsesOocyte retrieval visitExtreme ovarian response defined as \<4, ≥15 or ≥ 20 oocytes retrieved. Participants with cycle cancellation due to poor ovarian response are included as \<4 oocytes retrieved.
SecondaryProportion of Subjects With Early OHSS (Including OHSS of Moderate/Severe Grade) and/or Preventive Interventions for Early OHSSUp to 9 days after triggering of final follicular maturation
Early OHSS was defined as OHSS with onset ≤9 days after triggering of final follicular maturation. Classification of grade was according to Golan's classification system, and all OHSS cases were graded as mild, moderate or severe.
SecondaryProportion of Subjects With Cycle Cancellation Due to Poor or Excessive Ovarian Response or Embryo Transfer Cancellation Due to Excessive Ovarian Response / OHSS RiskEnd-of-stimulation visit (up to 20 days) or transfer visit
For each participant the reason for each cycle cancellation was recorded. Embryo transfer cancellation due to adverse events, such as ovarian hyperfunction, OHSS and progesterone increased in participants with embryos available for transfer, were considered as transfer cancellations due to excessive response / OHSS risk.
SecondaryNumber of Follicles on Stimulation Day 6On stimulation Day 6Counted by ultrasound for the right and left ovary for each participant.
SecondaryNumber of Follicles At End-of-stimulation (up to 20 Stimulation Days)At end-of-stimulation (up to 20 stimulation days)Counted by ultrasound for the right and left ovary for each participant.
SecondarySize of Follicles on Stimulation Day 6On stimulation Day 6Counted by ultrasound for the right and left ovary for each participant.
SecondarySize of Follicles At End-of-stimulation (up to 20 Stimulation Days)At end-of-stimulation (up to 20 stimulation days)Counted by ultrasound for the right and left ovary for each participant.
SecondaryNumber of Oocytes RetrievedOn the day of oocyte retrieval (36 h [±2h] after triggering of final follicular maturation)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 the day of oocyte retrievalGrouped according to the number of oocytes retrieved. Participants with cycle cancellation due to poor ovarian response are included in the \<4 oocytes group.
SecondaryPercentage of Metaphase II (MII) OocytesPrior to inseminationThe percentage of MII oocytes to oocytes retrieved for participants where all oocytes were inseminated using intracytoplasmic sperm injection (ICSI) are presented.
SecondaryFertilization RateOn Day 1 after oocyte retrievalThe fertilization rate was defined as the number of oocytes with 2 pronuclei divided by the number of oocytes retrieved.
SecondaryNumber and Quality of EmbryosOn Day 3 after oocyte retrievalNumber of embryos (total and good-quality) on Day 3 are presented. A good-quality embryo was defined as an embryo with ≥6 blastomeres and ≤20% fragmentation, without signs of multinucleation.
SecondaryCirculating Concentrations of Luteinizing Hormone (LH)On stimulation Day 6Blood samples for analysis of circulating concentrations of LH were drawn. The median and inter-quartile range (IQR) of LH levels on stimulation Day 6 are presented.
SecondaryCirculating Concentrations of LHEnd-of-stimulation (up to 20 stimulation days)Blood samples for analysis of circulating concentrations of LH were drawn. The median and IQR of LH levels at end-of-stimulation are presented.

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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