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Fresh Versus Freeze-only After CAPA IVM on PCOS Patients

Outcomes of Fresh Transfer Versus Freeze-only After CAPA IVM on PCOS Patients

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04297553
Enrollment
40
Registered
2020-03-05
Start date
2020-03-06
Completion date
2020-12-15
Last updated
2021-02-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Embryo Transfer, IVM, PCOS

Brief summary

IVM (in vitro maturation) has been proved to be a more friendly treatment protocol for PCOS (polycystic ovary syndrome) patients compared with conventional controlled ovarian stimulation, with less complications (especially ovarian hyperstimulation syndrome), shorter treatment duration, lower cost, and acceptable pregnancy outcomes.

Detailed description

IVM (in vitro maturation) has been proved to be a more friendly treatment protocol for PCOS (polycystic ovary syndrome) patients compared with conventional controlled ovarian stimulation, with less complications (especially ovarian hyperstimulation syndrome), shorter treatment duration, lower cost, and acceptable pregnancy outcomes. CAPA (capacitation) IVM without hCG (human chorionic gonadotropin) priming, has routinely been used at My Duc hospital for nearly 3 years to replace hCG-IVM (with hCG priming) because of absolutely synchronized oocyte maturation stage and better embryo results and better pregnancy outcomes. However, with CAPA IVM, embryos are freezed-only and will be transferred in the next cycles. This process will increase the cost of freezing and thawing embryos, and increase the treatment duration, which complicates the IVM procedure and turns IVM into an unfriendly protocol to PCOS patients. Therefore, our group conducts this study to find out the effectiveness of fresh transfer protocol after CAPA IVM compared with freezing-only CAPA IVM protocol. The fresh transfer protocol for CAPA IVM is applied from previous hCG IVM protocol, with the use of hCG and exogenous estradiol and progesterone, but at different timings.

Interventions

PROCEDURECAPA-Fresh

Receiving FSH (Menopur, Ferring) for 2 days on day 2/3 of the menstrual cycle (spontaneous/ OCP administration) and an ultrasound scan will be performed subsequently. Oocytes retrieval will be performed 42 hours after the last injection. Receiving hCG 5000IU x 2 (10000IU) after Oocytes retrieval. Pre-maturation will last for 24-30 hours. ICSI will be used for insemination. Fresh embryos transfer will be performed on day 3 using HRT protocol with a maximum of 2 embryos transferred.

PROCEDURECAPA-Freeze-only

Receiving FSH (Menopur, Ferring) for 2 days on day 2/3 of the menstrual cycle (spontaneous/ OCP administration) and an ultrasound scan will be performed subsequently. Oocytes retrieval will be performed 42 hours after the last injection. Pre-maturation will last for 24-30 hours. ICSI will be used for insemination. Freeze-only on day 3 and frozen embryo transfer will be performed on the subsequent cycle using HRT protocol with a maximum of 2 embryos transferred.

Sponsors

Mỹ Đức Hospital
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 37 Years
Healthy volunteers
No

Inclusion criteria

* Women with high AFC (≥24 Antral Follicles in Both Ovaries), including PCOS plus PCO or high AFC * Having indications for ART * Having ≤ 2 IVM/IVF attempts * Permanent resident in Vietnam * Agree to have fresh embryos transfer or freeze-only on day 3 * Agree to have ≤ 2 embryos transferred * Not participating in another IVF study at the same time

Exclusion criteria

* Oocyte donation cycles * Pre-implantation genetic diagnosis (PGD) cycles

Design outcomes

Primary

MeasureTime frameDescription
Ongoing pregnancy resulting in live birth after the first embryo transfer of the started treatment cycle.At 24 weeks of gestationLive birth is defined as the birth of at least one newborn after 24 weeks' gestation that exhibits any sign of life (twin will be a single count). For the timing of this occur, ongoing pregnancy will be used, conditional on the fact that this ongoing pregnancy results in live birth.

Secondary

MeasureTime frameDescription
Clinical pregnancy5 weeks after embryo placement after the completion of the first transferat least one gestational sac on ultrasound at 7 weeks' gestation with the detection of heart beat activity
Implantation rate3 weeks after embryo transferred after the completion of the first transferas the number of gestational sacs per number of embryos transferred
Ongoing pregnancyAt 12 weeks' gestationOngoing pregnancy is defined as pregnancy with detectable heart rate at 12 weeks' gestation or beyond, after the completion of the first transfer
Number of embryos on day 35 days after oocytes pick-upNumber of embryos on day 3
Number of good quality embryo on day 35 days after oocytes pick-upgood quality embryos are defined followed Istanbul consensus
Time from randomisation to ongoing pregnancy12 weeks of gestation after the completion of the first transferTime from randomization to ongoing pregnancy after the completion
Time from randomisation to live birthAt the time of deliveryTime from randomization to live birth after the completion
Ovarian hyperstimulation syndrome (OHSS)at 03 days after oocytes pick-up and 14 days after embryo transferRoutine assessments for OHSS were performed on day 3 post oocyte retrieval in both groups. At other times, OHSS was evaluated if symptoms were reported by the patient. OHSS was classified using the flow diagram developed by Humaidan and colleagues for use in clinical trial settings
Positive pregnancy testat 2 weeks after the embryo placement after the completion of the first transferSerum human chorionic gonadotropin level greater than 5 mIU/mL
Miscarriageat 24 weeks of gestation after the completion of the first transferpregnancy loss at \< 24 weeks
Hypertensive disorders of pregnancyat 20 weeks of gestation or beyond after the completion of the first transferPregnancy-induced hypertension, pre-eclampsia and eclampsia
Gestational diabetes mellitusat 24 weeks of gestation after the completion of the first transferusing a 75g oral glucose tolerance test
Preterm deliveryat 24, 28, 32 weeks and 37 weeks of gestation after the completion of the first transferMultiple definitions, defined as delivery at \<24, \<28, \<32, \<37 completed weeks
Multiple pregnancy5 weeks after embryo placement after the completion of the first transferDefined as presence of more than one sac at early pregnancy ultrasound (6-8 weeks gestation)
Birth weightat the time of deliveryWeight of singletons and twins
Congenital anomalyAt birth after the completion of the first transferAny congenital anomaly will be included
Cost-effectivenessTwo year after randomizationIncluding direct and indirect costs; costs related to complications treatment. Cost data will be collected for a supplementary analysis and will be reported in a separated paper.
Ectopic pregnancyat 12 weeks of gestation after the completion of the first transfera pregnancy in which implantation takes place outside the uterine cavity after the completion of the first transfer

Countries

Vietnam

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 23, 2026