ClinicalTrials.gg
Status unknownNCT03400722Updated Jan 17, 2018

Double Ovarian Stimulation as Accumulation Strategy for Older Infertile Patients With Suboptimal Ovarian Response

A Phase 4 interventional study of Pergoveris and Clomiphene in Infertility, Female, Ovarian Stimulation and In Vitro Fertilisation, sponsored by Nova Clinic, Russia. Status unknown at 1 site in Russian Federation. Open to female participants aged 37 Years to 42 Years. Per ClinicalTrials.gov, last updated 2018-01-17.

Sponsored by Nova Clinic, Russia · Phase 4, Interventional, and Treatment

The sponsor has not verified this record recently (last verified Jan 2018), so the status shown — last known as Recruiting — may be out of date.
Phase
Phase 4
Study type
Interventional
Enrollment
120
Allocation
Randomized
Ages
37 Years to 42 Years
Sex
Female
01

Study summary

Patients with infertility of the older age group of 37-42 years - a large cohort of patients of reproductive medicine. Two possible causes reduce their probability of pregnancy - an increasing age and a decrease of the ovarian reserve. In these conditions, the early receipt of embryos for future transfer can serve as a correct strategy for treating infertility in this category of patients. According to statistical data, patients of the 37-42-year-old age group need 3-5 blastocysts, out of them 1-2 euploid to achieve pregnancy.

The POSEIDON group of researchers identified a group of 2b patients with a suboptimal response to the induction of superovulation in IVF programs - patients older than 35 years with a normal ovarian reserve (the number of antral follicles greater than 5 and Anti-Müllerian hormone (AMH) greater than 1.2 ng / ml), resulting in 4-9 oocytes after a standard ovarian stimulation.

In this situation standard stimulation protocols can stretch the process of obtaining embryos indefinitely, during which the patient will move to another age category with a decrease in the likelihood of pregnancy.

Thus, these patients are shown the fastest reception of oocytes and the accumulation of embryos, which can be done using double ovarian stimulation in the same menstrual cycle.

The aim of the study is to compare the different schemes of double stimulation in patients with infertility of the older age group of 37-42 years with the preceding suboptimal response.

Group 1 - patients of the DUOSTIM group. Group 2 - Patients of the Shanghai Protocol.

The investigated parameters - primary outcome measures: total number of retrieved oocytes per cycle, secondary outcome measures: total number of blastocyst per cycle, number of cycles with double ovarian stimulation required to obtain 3-5 blastocyst, time until embryo transfer, pregnancy rate and birth rate This is a prospective randomized non-blinded clinical study.

Read the detailed description

The aim of the study is to compare the different schemes of double stimulation in patients with infertility of the older age group of 37-42 years with the preceding suboptimal response.

Materials and methods. Patients with preserved ovarian reserve of 37-42 years old, who had the history of standard stimulation in IVF programs, which produce less 4-7 oocytes. Patients will be randomised in two groups. Group 1 - patients of the double ovarian stimulation in the same cycle with recombinant gonadotropin (DUOSTIM group). Group 2 - patients of the double ovarian stimulation in the same cycle with clomifen and recombinant gonadotropin (modified Shanghai Protocol).

The stimulation protocol in the Group 1 - Follitropin and Lutropin Alfa (Pergoveris) 150 -300 IU start from day 2 of the cycle up to the day of trigger, gonadotropin-releasing hormone (GnRH) antagonist 0,25 mg start from day 7-8 of the cycle up to the day of trigger, final trigger of ovarian stimulation - gonadotropin-releasing hormone agonist (GnRH-a) 0,2 mg, oocyte retrieval 35 hours after trigger, stop period for 5 days, after stop period start Pergoveris 150 - 300 IU start up to the day of trigger, GnRH antagonist 0,25 mg start from day 6 of ovarian stimulation up to the day of trigger, final trigger of ovarian stimulation - GnRH-a 0,2 mg, oocyte retrieval 35 hours after trigger.

After oocyte retrieval fertilization will be carried out by invitro insemination (IVI) or intracytoplasmic sperm injection (ICSI), the development of embryos will be carried out up to blastocyst stage, then blastocyst vitrification will be performed. The cycles of double ovarian stimulation will be performed until the patient will have not less than 3-5 blastocysts. Then the embryo accumulation process will be completed and the unfrozen embryos transferred in the hormonal replacement cycle or natural ovulatory cycle.

The stimulation protocol in the Group 2 - Clomiphene 50 mg start from day 2-3 of the cycle up to the day of trigger, Pergoveris 150 IU - 6,8, 10 days of the cycle, final trigger of ovarian stimulation - GnRH-a 0,2 mg, oocyte retrieval 35 hours after trigger, after stop period for 2-3 days start Pergoveris 150 - 300 IU up to the day of trigger, final trigger of ovarian stimulation - GnRH-a 0,2 mg, oocyte retrieval 35 hours after trigger. After oocyte retrieval fertilization will be carried out by IVI or ICSI, the development of embryos will be carried out up to blastocyst stage, then blastocyst vitrification will be performed. The cycles of double ovarian stimulation will be performed until the patient will have not less than 3-5 blastocysts. Then the embryo accumulation process will be completed and the unfrozen embryos transferred in the hormonal replacement cycle or natural ovulatory cycle.

02

Conditions studied

  • Infertility, Female
  • Ovarian Stimulation
  • In Vitro Fertilisation

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Keywords

  • Suboptimal ovarian response
  • Ovarian Stimulation
  • Infertility, Female
  • In Vitro Fertilisation
03

In context

Infertility, Female

552 studies on the registry are indexed under Infertility, Female; 137 are open to participants now.

This study's planned enrollment of 120 is above the median of 100 across 378 interventional studies indexed under Infertility, Female.

Browse Infertility, Female studies →

Lead sponsor

This is the only study on the registry with Nova Clinic, Russia as lead sponsor.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
37 Years to 42 Years
Sexes eligible
Female
Accepts healthy volunteers
No

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. 37 - 42 years of age
  2. 18-30 kg\m2
  3. Suboptimal ovarian responders with normal ovarian reserve: the number of antral follicles greater than 5 and AMH greater than 1.2 ng / ml, resulting in 4-9 oocytes after a standard ovarian stimulation, according Poseidon classification - group 2b

Exclusion criteria

Exclusion Criteria:

  1. Medical for IVF
  2. Basal follicle stimulating hormone (FSH) more 15 IU/L
  3. Severe mail factor
Terms in these criteria, in plain language(3)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

BMI (body mass index)

Weight in kilograms divided by height in metres squared. Example: 70 kg and 1.75 m gives 70 ÷ (1.75 × 1.75) ≈ 22.9.

What counts as overweight or obesity differs between countries (some use lower cut-offs), so go by the range the study states.

Informed consent

Before you join, the study team explains what taking part involves — its purpose, what happens, the risks and possible benefits — and answers your questions, so you can decide freely. Consent is usually recorded on a form (the informed consent form, ICF) signed by you or, where the law allows, by someone legally authorised to decide for you.

You can keep asking questions during the study, you are told of new information that matters, and you can choose to leave at any time.

Contraindication

A reason a treatment, test or procedure should not be given to a particular person, such as an allergy, another illness or a medicine they take.

05

Study design

Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
120 participants (estimated)

Study arms

  • Experimental
    DUOSTIM group

    Pergoveris 150 -300 IU start from day 2 of the cycle up to the day of trigger, GnRH antagonist 0,25 mg start from day 7-8 of the cycle up to the day of trigger, final trigger of ovarian stimulation - GnRH-a 0,2 mg, oocyte retrieval 35 hours after trigger, stop period for 5 days, after stop period start Pergoveris 150 - 300 IU start up to the day of trigger, GnRH antagonist 0,25 mg start from day 6 of ovarian stimulation up to the day of trigger, final trigger of ovarian stimulation - GnRH-a 0,2 mg, oocyte retrieval 35 hours after trigger. After oocyte retrieval fertilization will be carried out by IVI or ICSI, the development of embryos will be carried out up to blastocyst stage, then blastocyst vitrification will be performed.

    Drug: Pergoveris

  • Experimental
    Modified Shanghai Protocol group

    Clomiphene 50 mg start from day 2-3 of the cycle up to the day of trigger, Pergoveris 150 - 300 IU - 6,8, 10 days of the cycle, final trigger of ovarian stimulation - GnRH-a 0,2 mg, oocyte retrieval 35 hours after trigger, after stop period for 2-3 days start Pergoveris 150 - 300 IU up to the day of trigger, final trigger of ovarian stimulation - GnRH-a 0,2 mg, oocyte retrieval 35 hours after trigger. After oocyte retrieval fertilization will be carried out by IVI or ICSI, the development of embryos will be carried out up to blastocyst stage, then blastocyst vitrification will be performed.

    Drug: Clomiphene

Interventions

  • Two controlled ovarian stimulation within the same menstrual cycle. It will be followed by ovarian puncture, fertilisation of oocyte by IVI or ICSI, blastocyst vitrification. If there are 3-5 blastocysts, the embryo accumulation process will be completed and the unfrozen embryos transferred.

    Also known as: antagonist of gonadotropin releasing hormone, agonist of gonadotropin releasing hormone

  • Two controlled ovarian stimulation within the same menstrual cycle. It will be followed by ovarian puncture, fertilisation of oocyte by IVI or ICSI, blastocyst vitrification. If there are 3-5 blastocysts, the embryo accumulation process will be completed and the unfrozen embryos transferred.

    Also known as: Pergoveris, agonist of gonadotropin releasing hormone

06

What researchers measure

Primary outcomes

  1. Total number of retrieved oocytes per cycle

    evaluation the total number of retrieved oocytes after double ovarian stimulation in one cycle

    Time frame: up to 9 months

Secondary outcomes

  1. total number of blastocyst per cycle

    evaluation the total number of blastocyst after double ovarian stimulation in one cycle

    Time frame: up to 9 months

  2. Time until embryo transfer

    period from start double ovarian stimulation until embryo transfer

    Time frame: up to 9 months

  3. number of cycles need to treat

    number of cycles with double ovarian stimulation required to obtain 3-5 blastocyst

    Time frame: up to 9 months

  4. pregnancy rate

    pregnancy rate after embryo transfer of thawed blastocyst

    Time frame: up to 9 months

  5. the birth rate

    the birth rate after embryo transfer

    Time frame: up to 18 months

07

Study locations

1 of 1 sites recruiting
  • Irina Zorina
    Moscow, 119048, Russian Federation
    Recruiting
08

References and documents

Individual participant data

Plan to share: Undecided

No publications or documents are linked to this record.

09

Timeline

Tracking since Sep 25, 2026
ElapsedEstimatedEstimated, not yet reachedSimilar studies: half by the dot; the band is the middle halfHalf of similar studies reached it by the dot; the band is the middle half, from a quarter to three quarters

Started Dec 2017 (actual). Primary completion is estimated for Aug 2018, 8 months after the start.

Of 32 non-industry phase 4 interventional studies under Infertility, Female, half reached primary completion within 22 months of starting (the median), counting those still running; a quarter within 14 and three quarters within 40. This study's planned 8 months is below that.

Counting every sponsor, half of 37 studies reached it within 20 months; a quarter within 14 and three quarters within 40.

How these figures are worked out, and which studies are left out of them.

Registered
Dec 19, 2017
First posted
Jan 17, 2018
StartActual
Dec 1, 2017
Primary completionEst.
Aug 1, 2018
CompletionEst.
May 1, 2019
Last update
Jan 17, 2018
What these dates mean
Start.
When the first participant enrolled; while estimated, when the study expects to open to recruitment.
Primary completion.
When the last participant was examined or treated to collect data for the study's main question, its primary outcome. A study that stopped early gives the date its data collection stopped.
Completion.
When the last participant's last visit took place, for every outcome, secondary ones and side effects included: the end of the study. Often later than primary completion, sometimes the same day.
Actual and Est.
Actual means the registry says the date has happened. Est. (estimated) is a date the sponsor plans or expects. It can still move, and the sponsor is expected to change it to actual once it has passed.
No changes since tracking began. The registry record was last updated on Jan 17, 2018, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT03400722
Lead sponsor
Nova Clinic, Russia
Responsible party
Sponsor
First posted
Jan 17, 2018
Start date
Dec 1, 2017
Primary completion
Aug 1, 2018 (estimated)
Completion
May 1, 2019 (estimated)
Last update
Jan 17, 2018

Study contacts

Irina Zorina, M.D.,Ph.D.
Contact
irinazorina@yandex.ru
+79263407621
Irina Zorina, M.D.,Ph.D.
Contact
i.zorina@nova-clinic.ru
+74952211188
Konstantin Dancheev
study director · MEDINSERVIS LLC NOVA CLINIC

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

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Studies of the drugs tested here: Pergoveris · Clomiphene

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