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Positive beta human chorionic gonadotropin (βhCG) rate
Time frame: 13-15 days after embryo transfer
Positive βhCG is defined as positive serum βhCG test 13-15 days after embryo transfer.
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Clinical pregnancy rate
Time frame: 5-6 weeks after embryo transfer
Clinical pregnancy is defined as at least one gestational sac 5-6 weeks after embryo transfer.
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Vital pregnancy rate
Time frame: 5-6 weeks after embryo transfer
Vital pregnancy is defined as at least one intrauterine gestational sac with fetal heart beat 5-6 weeks after embryo transfer.
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Implantation rate
Time frame: 5-6 weeks after embryo transfer
Implantation rate is defined as the number of gestational sacs 5-6 weeks after transfer divided by number of embryos transferred.
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Ongoing implantation rate
Time frame: 10-11 weeks after embryo transfer
Ongoing implantation rate is defined as the number of intrauterine viable fetuses 10-11 weeks after transfer divided by number of embryos transferred.
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Proportion of subjects with extreme ovarian responses
Time frame: On day of oocyte retrieval (up to 22 days after start of stimulation)
Extreme ovarian response is defined as <4, ≥15 or ≥20 oocytes retrieved.
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Proportion of subjects with early ovarian hyperstimulation syndrome (OHSS) (including OHSS of moderate/severe grade) and/or preventive interventions for early OHSS
Time frame: ≤9 days after triggering of final follicular maturation
The proportion of participants with early OHSS, early OHSS of moderate or severe grade, preventive interventions for early OHSS will be presented.
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Proportion of subjects with cycle cancellation due to poor or excessive ovarian response or embryo transfer cancellation due to excessive ovarian response / OHSS risk
Time frame: At end-of-stimulation (up to 20 stimulation days) or transfer visit
The proportion of participants with cycle cancellation due to poor or excessive ovarian response or embryo transfer cancellation due to excessive ovarian response / OHSS risk will be presented.
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Number of follicles on stimulation Day 6
Time frame: On stimulation Day 6
Counted by ultrasound for the right and left ovary.
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Number of follicles at end-of-stimulation
Time frame: At end-of-stimulation (up to 20 stimulation days)
Counted by ultrasound for the right and left ovary.
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Size of follicles on stimulation Day 6
Time frame: On stimulation Day 6
Measured by ultrasound for the right and left ovary.
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Size of follicles at end-of-stimulation
Time frame: At end-of-stimulation (up to 20 stimulation days)
Measured by ultrasound for the right and left ovary.
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Number of oocytes retrieved
Time frame: On day of oocyte retrieval (up to 22 days after start of stimulation)
The number of oocytes retrieved will be recorded at the oocyte retrieval visit.
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Proportion of subjects with <4, 4-7, 8-14, 15-19 and ≥20 oocytes retrieved
Time frame: On day of oocyte retrieval (up to 22 days after start of stimulation)
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Percentage of metaphase II oocytes (only applicable for those inseminated using intracytoplasmic sperm injection [ICSI])
Time frame: On day of oocyte retrieval (up to 22 days after stimulation)
The percentage of metaphase II oocytes to oocytes retrieved for participants where all oocytes were inseminated using ICSI will be presented.
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Fertilisation rate
Time frame: On Day 1 after oocyte retrieval (up to 23 days after start of stimulation)
The fertilisation rate is defined as the number of fertilized oocytes with 2 pronuclei divided by the number of oocytes retrieved.
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Number and quality of embryos on day 3 after oocyte retrieval
Time frame: On Day 3 after oocyte retrieval (up to 25 days after start of stimulation)
The total number of embryos and the number of good-quality embryos will be counted on Day 3. A good-quality embryo is defined as an embryo with ≥6 blastomeres and ≤20% fragmentation, without signs of multinucleation.
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Circulating concentrations of follicle-stimulating hormone (FSH) and luteinizing hormone (LH)
Time frame: On stimulation day 6
Blood samples for analysis of circulating concentrations of FSH and LH will be drawn.
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Circulating concentrations of estradiol
Time frame: On stimulation day 6
Blood samples for analysis of circulating concentrations of estradiol will be drawn.
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Circulating concentrations of progesterone
Time frame: On stimulation day 6
Blood samples for analysis of circulating concentrations of progesterone will be drawn.
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Circulating concentrations of inhibin A and inhibin B
Time frame: On stimulation day 6
Blood samples for analysis of circulating concentrations of inhibin A and inhibin B will be drawn.
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Circulating concentrations of FSH and LH
Time frame: At end-of-stimulation (up to 20 stimulation days)
Blood samples for analysis of circulating concentrations of FSH and LH will be drawn.
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Circulating concentrations of estradiol
Time frame: At end-of-stimulation (up to 20 stimulation days)
Blood samples for analysis of circulating concentrations of estradiol will be drawn.
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Circulating concentrations of progesterone
Time frame: At end-of-stimulation (up to 20 stimulation days)
Blood samples for analysis of circulating concentrations of progesterone will be drawn.
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Circulating concentrations of inhibin A and inhibin B
Time frame: At end-of-stimulation (up to 20 stimulation days)
Blood samples for analysis of circulating concentrations of inhibin A and inhibin B will be drawn.
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Total gonadotropin dose
Time frame: At end-of-stimulation (up to 20 stimulation days)
The total gonadotropin dose will be recorded.
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Number of stimulation days
Time frame: At end-of-stimulation (up to 20 stimulation days)
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Proportion of subjects with investigator-requested gonadotropin dose adjustments
Time frame: From stimulation Day 6 to end-of-stimulation (up to 20 stimulation days)
The decreases and increases of the gonadotropin dose will be captured during the stimulation period.
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Number of events and intensity of adverse events
Time frame: From signing of the informed consent up to end-of-trial (approximately 5.5 months)
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Changes from baseline in circulating levels of clinical chemistry parameters: Albumin and Total protein
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical chemistry parameters including: Albumin and Total protein.
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Changes from baseline in circulating levels of clinical chemistry parameters: Alanine transaminase, Alkaline phosphatase, Aspartate aminotransferase, Gamma-glutamyl transpeptidase
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical chemistry parameters including: Alanine transaminase, Alkaline phosphatase, Aspartate aminotransferase and Gamma-glutamyl transpeptidase.
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Changes from baseline in circulating levels of clinical chemistry parameters: Bicarbonate, Blood urea nitrogen, Calcium, Chloride, Cholesterol total, Glucose, Phosphorus, Potassium, Sodium, Uric acid
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical chemistry parameters including: Bicarbonate, Blood urea nitrogen, Calcium, Chloride, Cholesterol total, Glucose, Phosphorus, Potassium, Sodium and Uric acid.
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Changes from baseline in circulating levels of clinical chemistry parameters: Bilirubin direct, Bilirubin, Creatinine
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical chemistry parameters including: Bilirubin direct, Bilirubin and Creatinine.
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Changes from baseline in circulating levels of clinical chemistry parameters: Lactate dehydrogenase
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical chemistry parameter including: Lactate dehydrogenase.
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Proportion of subjects with markedly abnormal changes from baseline in clinical chemistry at end-of-stimulation
Time frame: At end-of-stimulation (up to 20 stimulation days)
Defined as number of participants with at least one markedly abnormal finding in clinical chemistry parameters (as assessed by investigator) will be reported. The clinical chemistry parameters include: albumin, alanine transaminase, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin direct, bilirubin total, blood urea nitrogen, calcium, chloride, cholesterol total, creatinine, gamma-glutamyl transpeptidase, glucose, lactate dehydrogenase, phosphorus, potassium, sodium, total protein, uric acid.
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Proportion of subjects with markedly abnormal changes from baseline in clinical chemistry at end-of-trial
Time frame: At end-of-trial (up to approximately 5.5 months)
Defined as number of participants with at least one markedly abnormal finding in clinical chemistry parameters (as assessed by investigator) will be reported. The clinical chemistry parameters include: albumin, alanine transaminase, alkaline phosphatase, aspartate aminotransferase, bicarbonate, bilirubin direct, bilirubin total, blood urea nitrogen, calcium, chloride, cholesterol total, creatinine, gamma-glutamyl transpeptidase, glucose, lactate dehydrogenase, phosphorus, potassium, sodium, total protein, uric acid.
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Changes from baseline in circulating levels of clinical haematology parameters: Red blood cells, Red blood cells morphology
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical haematology including: Red blood cells and Red blood cell morphology.
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Changes from baseline in circulating levels of clinical haematology parameters: White blood cells, White blood cell morphology, Platelets
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical haematology including: White blood cells, White blood cell morphology and Platelets.
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Changes from baseline in circulating levels of clinical haematology parameters: Haemoglobin
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical haematology parameter including: Haemoglobin.
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Changes from baseline in circulating levels of clinical haematology parameters: Haematocrit
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical haematology parameter including: Haematocrit.
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Changes from baseline in circulating levels of clinical haematology parameters: Mean Corpuscular Volume
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical haematology parameter including: Mean Corpuscular Volume.
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Changes from baseline in circulating levels of clinical haematology parameters: Mean Corpuscular Haemoglobin
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical haematology parameter including: Mean Corpuscular Haemoglobin.
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Changes from baseline in circulating levels of clinical haematology parameters: Mean Corpuscular Hemoglobin Concentration
Time frame: From screening up to end-of-trial (up to approximately 5.5 months)
Blood samples will be collected for the analysis of clinical haematology parameter including: Mean Corpuscular Hemoglobin Concentration.
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Proportion of subjects with markedly abnormal changes from baseline in haematology parameters at end-of-stimulation
Time frame: At end-of-stimulation (up to 20 stimulation days)
Defined as number of participants with at least one markedly abnormal changes in haematology parameters (as assessed by investigator) will be reported. Haematology parameters include: red blood cells, red blood cell morphology, white blood cells, white blood cells morphology, haemoglobin, haematocrit, mean corpuscular volume, mean corpuscular haemoglobin, mean corpuscular haemoglobin concentration, platelets.
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Proportion of subjects with markedly abnormal changes from baseline in haematology parameters end-of-trial
Time frame: At end-of-trial (up to approximately 5.5 months)
Defined as number of participants with at least one markedly abnormal changes in haematology parameters (as assessed by investigator) will be reported. Haematology parameters include: red blood cells, red blood cell morphology, white blood cells, white blood cells morphology, haemoglobin, haematocrit, mean corpuscular volume, mean corpuscular haemoglobin, mean corpuscular haemoglobin concentration, platelets.
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Frequency of injection site reactions (redness, pain, itching, swelling and bruising)
Time frame: At end-of-stimulation (up to 20 stimulation days)
Assessed by the participant during the stimulation period. Participants will self-assess injection site reactions (redness, pain, itching, swelling, and bruising) immediately, 30 minutes and 24 hours after each injection.
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Intensity of injection site reactions
Time frame: At end-of-stimulation (up to 20 stimulation days)
Assessed by the participant during the stimulation period as mild, moderate or severe. Participants will be tabulated according to the highest severity of their reported injection site reactions.
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Frequency of immune-related adverse events
Time frame: From signing of the informed consent up to end-of-trial (approximately 5.5 months)
All adverse events reported in the trial will be analyzed to identify those that are potentially immune-related. They will be tabulated using the Standardised Medical Dictionary for Regulatory Activities [MedDRA] Queries (SMQs).
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Intensity of immune-related adverse events
Time frame: From signing of the informed consent up to end-of-trial (approximately 5.5 months)
Will be categorised as mild, moderate or severe.
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Proportion of subjects with cycle cancellations due to an adverse event, including immune-related adverse events, or due to technical malfunctions of the pre-filled injection pen
Time frame: At end-of-stimulation (up to 20 stimulation days)
For each participant the reason for cycle cancellation will be recorded.
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Proportion of subjects with late OHSS (including OHSS of moderate/severe grade)
Time frame: >9 days after triggering of final follicular maturation
Late OHSS is defined as OHSS with onset >9 days after triggering of final follicular maturation. The proportion of participants with late OHSS, and late OHSS of moderate or severe grade will be presented.
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Proportion of subjects with OHSS (early and/or late) and/or preventive interventions for early OHSS
Time frame: >9 days after triggering of final follicular maturation
The proportion of participants with early and/or late OHSS and/or preventive interventions for early OHSS will be presented.
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Percentage of subjects with multi-fetal gestation, biochemical pregnancy, spontaneous abortion, ectopic pregnancy (with and without medical/surgical intervention) and vanishing twins
Time frame: 10-11 weeks after transfer
The percentage of participants with each of these events will be reported.
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Technical malfunctions of the pre-filled injection pen
Time frame: At end-of-stimulation (up to 20 stimulation days)
Participants will report any technical malfunctions of the pre-filled injection pen. Percentage of participants with confirmed technical malfunctions will be presented.