CClinicalTrials.gg
CompletedNCT00627406Updated Nov 27, 2013Results posted

Triggering of Final Oocyte Maturation With GnRHa (Buserelin) in GnRH Antagonist Cycles

A Phase 4 interventional study of Buserelin and Pregnyl and Pregnyl in OHSS (Ovarian Hyperstimulation), sponsored by Regionshospitalet Viborg, Skive. Completed at 1 site in Denmark. Open to female participants aged 20 Years to 39 Years. Per ClinicalTrials.gov, last updated 2013-11-27.

Sponsored by Regionshospitalet Viborg, Skive · Phase 4, Interventional, and Treatment

Phase
Phase 4
Study type
Interventional
Enrollment
384
Allocation
Randomized
Ages
20 Years to 39 Years
Sex
Female
01

Study summary

The purpose of this study is to possibly further improve the clinical outcome and explore the incidence of OHSS in patients, who have final oocyte maturation with GnRHa (Buserelin) in GnRH antagonist IVF/ICSI cycles

02

Conditions studied

  • OHSS (Ovarian Hyperstimulation)

Keywords

  • GnRH antagonist
  • GnRH agonist
  • hCG
  • OHSS
  • In vitro fertilization
  • ovulation induction
  • Clinical pregnancy rate
03

In context

Lead sponsor

Regionshospitalet Viborg, Skive is the lead sponsor of 13 studies on the registry; 2 are open to participants now.

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

04

Who can participate

Ages eligible
20 Years to 39 Years
Sexes eligible
Female
Accepts healthy volunteers
No

Inclusion criteria

  • Patient complying with the conditions for IVF or ICSI treatment
  • Female age over 20 years and under 40 years
  • Normal regular cycle and patients with oligomenorrhea
  • BMI > 18 and \< 35
  • each patient contributes with one cycle only

Exclusion criteria

Exclusion Criteria:

  • Significant disturbances in the woman (diabetes, epilepsy, liver/renal/heart disease, metabolic disorder)
  • Patients with > 25 follicles on the day of triggering ovulation
05

Study design

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

Study arms

  • Experimental
    A

    More than 14 follicles with a diameter of \> 11mm: triggering of ovulation with 0.5 mg GnRHa (Buserelin) (s.c.) + 1500 IU hCG (Pregnyl)

    Drug: Buserelin and Pregnyl

  • Active comparator
    B

    More than 14 follicles with a diameter of \> 11mm: triggering of ovulation with hCG (Pregnyl) 5.000 IU (s.c.)

    Drug: Pregnyl

  • Experimental
    C

    14 or less follicles with a diameter of \> 11mm: triggering of ovulation with 0.5 mg GnRHa (Buserelin) (s.c.) + 1500 IU hCG (Pregnyl) (s.c.) at 35 hours and 1500 IU hCG (Pregnyl) (s.c.) 7 days after triggering of ovulation (OPU + 5)

    Drug: Buserelin and Pregnyl

  • Active comparator
    D

    14 or less follicles with a diameter of \> 11mm: triggering of ovulation with 5000 IU hCG (Pregnyl) (s.c.)

    Drug: Pregnyl

Interventions

  • DrugBuserelin and Pregnyl

    Subcutaneous injection 0.5 mg and 1500 IU

  • DrugPregnyl

    Subcutaneous injection 5000 IU

  • DrugBuserelin and Pregnyl

    Subcutaneous injection 0,5 mg and 1500 IU + 1500 IU after 7 days

  • DrugPregnyl

    Subcutaneous injection 5000 IU

06

What researchers measure

Primary outcomes

  1. Frequency of Moderate to Severe OHSS.

    Time frame: From the date of triggering ovulation until 2 weeks after pregnancy test. group C and D. 12 days after pregnancy test

Secondary outcomes

  1. Pregnancy Rate

    Time frame: from stimulation day 1 until last ultrasound scan 7 weeks after a positive pregnancy test

07

Results

Posted Nov 27, 2013

Participant flow

Recruitment period from jan. 2009 to dec. 2011. Participanting Clinics Fertility clinic Regional Hospital Skive, University Hostipal Odense, Regional Hospital Holbaek, Denmark.

Participant flow — Overall Study
MilestoneA: >14 Follicles; GnRHa Trigger + 1500 hCGB: >14 Follicles; hCG TriggerC:<15 Follicles; GnRHa Trigger + 1500 hCG x 2D: <15 Follicles; hCG Trigger
Started6058125141
Completed6058125141
Not completed0000

Outcome measures

PrimaryFrequency of Moderate to Severe OHSS.
Time frame:
From the date of triggering ovulation until 2 weeks after pregnancy test. group C and D. 12 days after pregnancy test
Reported as:
Number · participants
Frequency of Moderate to Severe OHSS.
participantsA: >14 Follicles; GnRHa Trigger + 1500 hCGB: >14 Follicles; hCG TriggerC:<15 Follicles; GnRHa Trigger + 1500 hCG x 2D: <15 Follicles; hCG Trigger
Frequency of Moderate to Severe OHSS.0220
SecondaryPregnancy Rate
Time frame:
from stimulation day 1 until last ultrasound scan 7 weeks after a positive pregnancy test
Reported as:
Number · participants
Pregnancy Rate
participantsA: >14 Follicles; GnRHa Trigger + 1500 hCGB: >14 Follicles; hCG TriggerC:<15 Follicles; GnRHa Trigger + 1500 hCG x 2D: <15 Follicles; hCG Trigger
Pregnancy Rate17153736

Adverse events

Non-serious events are listed at a 5% frequency threshold.

Adverse event summary by group
GroupDeathsSeriousOther
A: >14 Follicles; GnRHa Trigger + 1500 hCG—0/60 (0%)0/60 (0%)
B: >14 Follicles; hCG Trigger—0/58 (0%)0/58 (0%)
C:<15 Follicles; GnRHa Trigger + 1500 hCG x 2—0/125 (0%)0/125 (0%)
D: <15 Follicles; hCG Trigger—0/141 (0%)0/141 (0%)

Baseline characteristics

Age, Categorical
Age, Categorical(Participants)A: >14 Follicles; GnRHa Trigger + 1500 hCGB: >14 Follicles; hCG TriggerC:<15 Follicles; GnRHa Trigger + 1500 hCG x 2D: <15 Follicles; hCG TriggerTotal
<=18 years00000
Between 18 and 65 years6058125141384
>=65 years00000
Age Continuous
Age Continuous(years)A: >14 Follicles; GnRHa Trigger + 1500 hCGB: >14 Follicles; hCG TriggerC:<15 Follicles; GnRHa Trigger + 1500 hCG x 2D: <15 Follicles; hCG TriggerTotal
Mean28.5 ± 5.229.8 ± 3.830.8 ± 3.931.5 ± 3.730.2 ± 4.0
Sex: Female, Male
Sex: Female, Male(Participants)A: >14 Follicles; GnRHa Trigger + 1500 hCGB: >14 Follicles; hCG TriggerC:<15 Follicles; GnRHa Trigger + 1500 hCG x 2D: <15 Follicles; hCG TriggerTotal
Female6058125141384
Male00000
Region of Enrollment
Region of Enrollment(participants)A: >14 Follicles; GnRHa Trigger + 1500 hCGB: >14 Follicles; hCG TriggerC:<15 Follicles; GnRHa Trigger + 1500 hCG x 2D: <15 Follicles; hCG TriggerTotal
Denmark6058125141384
08

Study locations

1 site
  • The Fertility Clinic, Regional Hospital of Skive
    Skive, 7800, Denmark
09

References and documents

Publications

  • Humaidan P, Polyzos NP, Alsbjerg B, Erb K, Mikkelsen AL, Elbaek HO, Papanikolaou EG, Andersen CY. GnRHa trigger and individualized luteal phase hCG support according to ovarian response to stimulation: two prospective randomized controlled multi-centre studies in IVF patients. Hum Reprod. 2013 Sep;28(9):2511-21. doi: 10.1093/humrep/det249. Epub 2013 Jun 9. PubMed 23753114 ↗
10

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Nov 27, 2013, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
11

Registry details

Key details

Study ID
NCT00627406
Lead sponsor
Regionshospitalet Viborg, Skive
Responsible party
Peter Humaidan (Prof. M.D. D.M.Sc., Regionshospitalet Viborg, Skive) — Principal investigator
First posted
Mar 3, 2008
Start date
Jan 2009
Primary completion
Dec 2011
Completion
Dec 2011
Results posted
Nov 27, 2013
Last update
Nov 27, 2013

Study contacts

Peter S Humaidan, MD
principal investigator

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Sep 2013. You cannot join it, but the record below documents what was studied.

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